WO2011087044A1 - 多層ポリイミドフィルム及びそれを用いたフレキシブル金属張積層板 - Google Patents
多層ポリイミドフィルム及びそれを用いたフレキシブル金属張積層板 Download PDFInfo
- Publication number
- WO2011087044A1 WO2011087044A1 PCT/JP2011/050420 JP2011050420W WO2011087044A1 WO 2011087044 A1 WO2011087044 A1 WO 2011087044A1 JP 2011050420 W JP2011050420 W JP 2011050420W WO 2011087044 A1 WO2011087044 A1 WO 2011087044A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- multilayer
- polyimide film
- dianhydride
- thermoplastic polyimide
- polyamic acid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/0313—Organic insulating material
- H05K1/0353—Organic insulating material consisting of two or more materials, e.g. two or more polymers, polymer + filler, + reinforcement
- H05K1/036—Multilayers with layers of different types
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
- B32B27/281—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polyimides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1042—Copolyimides derived from at least two different tetracarboxylic compounds or two different diamino compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1046—Polyimides containing oxygen in the form of ether bonds in the main chain
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1046—Polyimides containing oxygen in the form of ether bonds in the main chain
- C08G73/105—Polyimides containing oxygen in the form of ether bonds in the main chain with oxygen only in the diamino moiety
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
- C08L79/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08L79/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2457/00—Electrical equipment
- B32B2457/08—PCBs, i.e. printed circuit boards
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/0313—Organic insulating material
- H05K1/032—Organic insulating material consisting of one material
- H05K1/0346—Organic insulating material consisting of one material containing N
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/01—Dielectrics
- H05K2201/0104—Properties and characteristics in general
- H05K2201/0129—Thermoplastic polymer, e.g. auto-adhesive layer; Shaping of thermoplastic polymer
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/01—Dielectrics
- H05K2201/0137—Materials
- H05K2201/0154—Polyimide
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31678—Of metal
- Y10T428/31681—Next to polyester, polyamide or polyimide [e.g., alkyd, glue, or nylon, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31721—Of polyimide
Definitions
- the present invention relates to a multilayer polyimide film and a flexible metal-clad laminate that can be suitably used for flexible printed wiring boards.
- the flexible laminate has a structure in which a circuit made of a metal layer is formed on an insulating film such as a polyimide film.
- the flexible metal-clad laminate that is the basis of the flexible printed wiring board is generally formed of various insulating materials, and a flexible insulating film is used as a substrate, and a metal foil is attached to the surface of the substrate via various adhesive materials.
- a flexible insulating film is used as a substrate, and a metal foil is attached to the surface of the substrate via various adhesive materials.
- a polyimide film or the like is preferably used as the insulating film.
- the adhesive material epoxy-based, acrylic-based thermosetting adhesives are generally used.
- Thermosetting adhesives have the advantage that they can be bonded at relatively low temperatures. However, as the required properties such as heat resistance, flexibility, and electrical reliability become stricter, three types of thermosetting adhesives are used. It is considered difficult to cope with the layer FPC. For this reason, a two-layer FPC has been proposed in which a metal layer is directly provided on an insulating film or a thermoplastic polyimide is used for an adhesive layer. This two-layer FPC has characteristics superior to those of the three-layer FPC, and demand is expected to increase in the future.
- a method for producing a multilayer polyimide film a method of producing a multilayer polyimide film by heating at a high temperature after applying and drying a thermoplastic polyamic acid solution on a previously produced polyimide film (see Patent Document 1), metal foil A method of producing a multilayer polyimide film by heating at a high temperature (hereinafter referred to as a solution casting method) (refer to Patent Documents 2 and 4) and multilayer extrusion
- a solution casting method hereinafter referred to as a solution casting method
- multilayer extrusion method a multilayer extrusion method
- a multilayer polyimide film is desired from the market which is unlikely to cause peeling between layers or white turbidity between layers (whitening, hereinafter sometimes referred to as “whitening” in the present specification).
- Japanese Patent Publication Japanese Patent Laid-Open No. 8-197695 (Released on August 6, 1996)” Japanese Patent Gazette “Patent No. 2746555 (issued on May 6, 1998)” Japanese Patent Publication “Japanese Patent Laid-Open No. 2006-297821 (published on November 2, 2006)” Japanese Patent Publication “Japanese Patent Laid-Open No. 2006-32229” (published on November 30, 2006)
- the present invention has been made in view of the above-mentioned problems, and its purpose is to provide a multilayer polyimide film with little peeling between layers or white turbidity (whitening) between layers when heated at a high temperature, and a flexible film using the same.
- the object is to provide a metal-clad laminate.
- the present invention is a multilayer polyimide film having a thermoplastic polyimide layer on at least one of the non-thermoplastic polyimide layers, the total number of moles of acid dianhydride monomer and diamine monomer constituting the thermoplastic polyimide.
- the multilayer polyimide film is characterized in that 60% or more is the same as at least one monomer of an acid dianhydride monomer and a diamine monomer constituting the non-thermoplastic polyimide.
- the present invention it is possible to provide a multilayer polyimide film with less peeling between layers or white turbidity (whitening) between layers when heated at a high temperature, and a flexible metal-clad laminate using the same.
- the present invention relates to a multilayer polyimide film which is the same as at least one monomer each of an acid dianhydride monomer and a diamine monomer constituting a thermoplastic polyimide. Based on the acid dianhydride and diamine used in the thermoplastic polyimide, the ratio of the acid dianhydride and diamine used in the non-thermoplastic polyimide is calculated.
- the calculation method calculates the total number of moles of acid dianhydride and diamine used in the thermoplastic polyimide (total number of moles).
- the acid dianhydride and diamine constituting the thermoplastic polyimide and the number of moles of the acid dianhydride and diamine used in the non-thermoplastic polyimide is calculated (the same number of moles).
- thermoplastic polyimide is the acid constituting the non-thermoplastic polyimide.
- dianhydride monomer and the diamine monomer is the same as at least one monomer.
- a method for producing a multilayer polyimide film [1] a method for producing a multilayer polyimide film by high-temperature heating after applying and drying a thermoplastic polyamic acid solution on a polyimide film produced in advance, [2] metal foil A method for producing a multilayer polyimide film by heating and heating at a high temperature (hereinafter referred to as a solution casting method) after repeating the application and drying of the polyamide acid solution a plurality of times, and [3] multilayer polyamide acid simultaneously by multilayer extrusion Is applied to a support such as a drum or an endless belt and dried, and then the gel film is peeled off from the support, and a multilayer polyimide film is produced by heating at a high temperature (hereinafter, multilayer extrusion method).
- the high temperature heating here means heating at 80 ° C. or higher.
- the present inventors are a multilayer polyimide film having a thermoplastic polyimide layer on at least one of the non-thermoplastic polyimide layers, and a single amount of acid dianhydride constituting the thermoplastic polyimide. 60% or more of the total number of moles of the diamine monomer and the diamine monomer is the same as at least one of the acid dianhydride monomer and the diamine monomer constituting the non-thermoplastic polyimide. As a result, the present inventors have found that the multi-layer polyimide film has less peeling between layers or white turbidity (whitening) between layers when heated at a high temperature.
- the aromatic dianhydride used in the non-thermoplastic polyimide layer and the thermoplastic polyimide layer of the multilayer polyimide film is not particularly limited, but pyromellitic dianhydride, 2,3,6,7-naphthalene tetracarboxylic dianhydride 3,3 ′, 4,4′-biphenyltetracarboxylic dianhydride, 1,2,5,6-naphthalenetetracarboxylic dianhydride, 2,2 ′, 3,3′-biphenyltetracarboxylic acid Dianhydride, 3,3 ′, 4,4′-benzophenonetetracarboxylic dianhydride, 2,2-bis (3,4-dicarboxyphenyl) propane dianhydride, 3,4,9,10-perylene Tetracarboxylic dianhydride, 1,1-bis (2,3-dicarboxyphenyl) ethane dianhydride, 1,1-bis (3,4-dicarboxyphenyl)
- acid dianhydride monomers constituting the thermoplastic polyimide are pyromellitic dianhydride, 3,3 ′, 4,4′-biphenyltetracarboxylic dianhydride, and 3,3 ′, 4, It is preferably at least one acid dianhydride selected from the group consisting of 4′-benzophenone tetracarboxylic dianhydride, pyromellitic dianhydride, and 3,3′4,4′-biphenyltetracarboxylic
- the use of at least one of acid dianhydrides can balance the ease of manufacturing a metal-clad laminate by hot roll lamination and the peel strength of the metal layer of the metal-clad laminate and the multilayer polyimide film. Particularly preferred.
- aromatic diamine used in the non-thermoplastic polyimide layer and the thermoplastic polyimide layer of the multilayer polyimide film is not particularly limited, but 4,4′-diaminodiphenyl ether, 3,4′-diaminodiphenyl ether, 1,3-bis (4- Aminophenoxy) benzene, 1,4-bis (4-aminophenoxy) benzene, p-phenylenediamine, 4,4′-diaminodiphenylpropane, 4,4′-diaminodiphenylmethane, benzidine, 3,3′-dichlorobenzidine, 4,4'-diaminodiphenyl sulfide, 3,3'-diaminodiphenyl sulfone, 4,4'-diaminodiphenyl sulfone, 4,4'-diaminodiphenyl ether, 3,3'-diaminodiphenyl ether, 3,4'
- the acid dianhydride constituting the thermoplastic polyimide is pyromellitic dianhydride
- the diamine constituting the thermoplastic polyimide is 2,2-bis [4- (4-aminophenoxy) phenyl] propane. It is particularly preferable in that the swelling during soldering in a moisture absorption state can be suppressed.
- thermoplastic polyimide 3,3 ′, 4,4′-biphenyltetracarboxylic dianhydride is used in terms of high peel strength of the metal foil after the metal-clad laminate processing. It is preferable to use it.
- thermoplastic polyimide it is more preferable to use pyromellitic dianhydride and 3,3 ′, 4,4′-biphenyltetracarboxylic dianhydride in combination as the acid dianhydride constituting the thermoplastic polyimide.
- the acid dianhydride monomer constituting the thermoplastic polyimide is pyromellitic dianhydride and 3,3 ′, 4,4′-biphenyltetracarboxylic dianhydride
- the thermoplastic polyimide the diamine monomer constituting is not particularly limited, for example, 2,2-bis [4- (4-aminophenoxy) phenyl] propane is preferable.
- the ratio of pyromellitic dianhydride to 3,3 ′, 4,4′-biphenyltetracarboxylic dianhydride is 70/30 to 95/5 in molar ratio. It is more preferable that the ratio is 75/25 to 95/5.
- any solvent can be used as long as it dissolves the polyamic acid, but amide solvents such as N, N-dimethylformamide, N, N-dimethylacetamide And N-methyl-2-pyrrolidone.
- amide solvents such as N, N-dimethylformamide, N, N-dimethylacetamide And N-methyl-2-pyrrolidone.
- N, N-dimethylformamide and N, N-dimethylacetamide can be particularly preferably used.
- the non-thermoplastic polyimide in the present invention generally means a polyimide that does not soften or show adhesiveness even when heated. In the present invention, it refers to a polyimide which is heated at 380 ° C. for 2 minutes in the state of a film and does not wrinkle or stretch and maintains its shape, or a polyimide having substantially no glass transition temperature.
- thermoplastic polyimide generally means a polyimide having a glass transition temperature by DSC (differential scanning calorimetry).
- the thermoplastic polyimide in the present invention refers to those having a glass transition temperature of 150 ° C. to 350 ° C.
- any monomer addition method may be used for the polymerization of the non-thermoplastic polyamic acid.
- typical polymerization methods the following methods may be mentioned. That is, 1) A method of polymerizing by dissolving an aromatic diamine in an organic polar solvent and reacting this with a substantially equimolar amount of an aromatic tetracarboxylic dianhydride, 2) An aromatic tetracarboxylic dianhydride is reacted with a small molar amount of an aromatic diamine compound in an organic polar solvent to obtain a prepolymer having acid anhydride groups at both ends.
- non-thermoplastic polyamic acid is used in the following steps (a) to (c): (A) reacting an aromatic dianhydride with an excess molar amount of aromatic diamine in an organic polar solvent to obtain a prepolymer having amino groups at both ends; (B) Subsequently, an aromatic diamine is additionally added thereto. (C) Furthermore, the aromatic acid dianhydride is added and polymerized so that the aromatic dianhydride and the aromatic diamine are substantially equimolar in all steps. It is preferable to obtain by going through.
- the polyamic acid obtained by the above method is imidized to obtain a multilayer polyimide film.
- a method for producing a thermoplastic polyamic acid used for producing a thermoplastic polyimide is as follows: (a) an aromatic dianhydride and an excess molar amount of an aromatic diamine are reacted with each other in an organic polarity, and both ends thereof are reacted. A step of obtaining a prepolymer having an amino group; (b) Subsequently, an aromatic acid dianhydride is added so that the ratio of the aromatic acid dianhydride to the aromatic diamine in all the steps becomes a predetermined ratio. It is preferable to perform polymerization.
- (b) there are a method of adding an aromatic acid dianhydride, a method of adding a powder, a method of adding an acid solution in which an acid dianhydride is dissolved in an organic polar solvent in advance, and the reaction is uniform. In view of easy progress, a method of adding an acid solution is preferable.
- the solid component concentration during polymerization of the non-thermoplastic polyamic acid and the thermoplastic polyamic acid is preferably 10 to 30% by weight.
- the solid component concentration can be determined by the polymerization rate and the polymerization viscosity.
- the polymerization viscosity can be set according to the case where the polyamic acid solution of thermoplastic polyimide is applied to the support film, or when it is coextruded with non-thermoplastic polyimide.
- the polymerization viscosity is preferably 100 poise or less at a component concentration of 14% by weight.
- the polymerization viscosity is preferably 100 poise to 1200 poise at a solid component concentration of 14% by weight, and more preferably 150 poise to 800 poise, because the film thickness of the resulting multilayer polyimide film can be made uniform.
- the aromatic dianhydride and aromatic diamine described above can be used by changing the order in consideration of the properties and productivity of the multilayer polyimide film.
- a filler can be added to the non-thermoplastic polyamic acid and the thermoplastic polyamic acid for the purpose of improving various properties of the film such as slidability, thermal conductivity, conductivity, and corona resistance.
- the filler is not particularly limited, and preferred examples include silica, titanium oxide, alumina, silicon nitride, boron nitride, calcium hydrogen phosphate, calcium phosphate, mica and the like.
- the particle size of the filler is not particularly limited because it is determined by the film characteristics to be modified and the type of filler to be added, but generally the average particle size is 0.05 to 20 ⁇ m, preferably 0.1. It is ⁇ 10 ⁇ m, more preferably 0.1 to 7 ⁇ m, particularly preferably 0.1 to 5 ⁇ m. If the particle size is below this range, the modification effect is less likely to appear. If the particle size is above this range, the surface properties may be greatly impaired or the mechanical properties may be greatly deteriorated. Further, the number of added parts of the filler is not particularly limited because it is determined by the film characteristics to be modified, the filler particle diameter, and the like.
- the amount of filler added is 0.01 to 50 parts by weight, preferably 0.01 to 20 parts by weight, and more preferably 0.02 to 10 parts by weight with respect to 100 parts by weight of polyimide. If the amount of filler added is less than this range, the effect of modification by the filler hardly appears, and if it exceeds this range, the mechanical properties of the film may be greatly impaired.
- Addition of the filler is, for example, (1) A method of adding to a polymerization reaction solution before or during polymerization (2) A method of kneading fillers using three rolls after the completion of polymerization (3) A dispersion containing fillers is prepared, and this is added to polyamide Method of mixing with acid organic solvent solution (4) Any method such as a method of dispersing by bead mill or the like may be used, but a method of mixing a dispersion containing filler with a polyamic acid solution, particularly a method of mixing just before film formation It is preferable because the contamination by the filler in the production line is minimized.
- a dispersing agent a thickener, etc. can also be used in the range which does not affect a film physical property.
- the particle size When added to improve the slidability of the film, the particle size is 0.1 to 10 ⁇ m, preferably 0.1 to 5 ⁇ m. If the particle diameter is below this range, the effect of improving the slidability is hardly exhibited, and if it exceeds this range, it tends to be difficult to produce a high-definition wiring pattern. In this case, the dispersion state of the filler is also important, and the aggregate of fillers of 20 ⁇ m or more is 50 pieces / m 2 or less, preferably 40 pieces / m 2 or less.
- a multilayer film including a solution layer (a) containing at least a thermoplastic polyimide and / or a precursor of thermoplastic polyimide and a solution layer (b) containing a non-thermoplastic polyimide precursor.
- Any method may be adopted as long as it can form a state in which the solution layers are laminated, but the solution casting method, multilayer extrusion method (with the solution (a) and the solution (b) (
- a multilayer film of a polyimide precursor may be obtained by a method such as a coextrusion-casting method.
- Multi-layer coextrusion is a method for producing a film including a step of simultaneously feeding a polyamic acid solution to two or more multilayer dies and extruding the thin film-like body of at least two layers from a discharge port of the die onto a support. is there.
- the solution extruded from two or more multilayer dies is continuously extruded onto a smooth support, and then a multilayer thin film solvent on the support.
- a multilayer film having self-supporting properties is obtained by volatilizing at least a part of the film. It is preferable to heat the coating film on the support at a maximum temperature of 100 to 200 ° C.
- the multilayer film is peeled off from the support, and finally the multilayer film is sufficiently heated at a high temperature (250-600 ° C.) to substantially remove the solvent and advance imidization.
- a multilayer polyimide film can be obtained.
- the multilayer film peeled off from the support is in the intermediate stage of curing from polyamic acid to polyimide and has a self-supporting property.
- a and B represent the following.
- the imidization rate may be intentionally lowered and / or the solvent may be left.
- a support is for casting a multilayer liquid film extruded from a multilayer die onto the support.
- the multilayer liquid film is heated and dried on the support to provide self-supporting properties.
- the shape of the support is not particularly limited, but in consideration of the productivity of the adhesive film, it is preferably a drum shape or a belt shape.
- the material of the support is not particularly limited, and examples thereof include metal, plastic, glass, porcelain, etc., preferably metal, and more preferably SUS material having excellent corrosion resistance. Further, metal plating such as Cr, Ni, Sn may be performed.
- a polyimide is obtained by a dehydration conversion reaction from a polyimide precursor, that is, a polyamic acid.
- a thermal curing method performed only by heat and a chemical dehydrating agent hereinafter referred to as the present specification.
- the chemical curing method using a simple chemical dehydrating agent is sometimes most widely known. However, since it is excellent in productivity, it is more preferable to employ a chemical curing method.
- the chemical curing agent (hereinafter sometimes simply referred to as “curing agent” in the present specification) includes a dehydrating agent and a catalyst.
- the dehydrating agent as used herein is a dehydrating ring-closing agent for polyamic acid, and its main component is aliphatic acid anhydride, aromatic acid anhydride, N, N'-dialkylcarbodiimide, lower aliphatic halide, halogenated acid.
- Lower aliphatic acid anhydrides, aryl sulfonic acid dihalides, thionyl halides or mixtures of two or more thereof can be preferably used. Of these, aliphatic acid anhydrides and aromatic acid anhydrides work particularly well.
- the catalyst is a component having an effect of promoting dehydration ring-closing action on the polyamic acid as a dehydrating agent.
- a dehydrating agent for example, an aliphatic tertiary amine, an aromatic tertiary amine, or a heterocyclic tertiary amine can be used.
- nitrogen-containing heterocyclic compounds such as imidazole, benzimidazole, isoquinoline, quinoline, or ⁇ -picoline are more preferable.
- introduction of an organic polar solvent into a solution composed of a dehydrating agent and a catalyst can be appropriately selected.
- the solution (a) and the solution (b) contains a dehydrating agent and a catalyst.
- a dehydrating agent and a catalyst it is more preferable to contain a dehydrating agent and a catalyst in the solution (b).
- the characteristics of the adhesive layer containing the thermoplastic polyimide may not be fully utilized in some cases, but this does not exclude use of the solution (a).
- a method in which a dehydrating agent and a catalyst are contained only in one solution layer is preferable because it leads to simplification of production equipment, but sufficient properties are obtained in the multilayer polyimide film obtained by adding a dehydrating agent and a catalyst to the solution (b).
- a dehydrating agent and a catalyst has been found by the inventors' studies. Therefore, it is most preferable to contain the dehydrating agent and the catalyst only in the solution (b).
- the content of the chemical dehydrating agent is preferably 0.5 to 4.0 mol, preferably 1.0 to 3.3 mol, based on 1 mol of the amic acid unit in the polyamic acid contained in the solution containing the chemical dehydrating agent and the catalyst. 0 mol, more preferably 1.2 to 2.5 mol is particularly preferred.
- the content of the catalyst is preferably 0.05 to 2.0 mol with respect to 1 mol of the amic acid unit in the polyamic acid contained in the solution containing the chemical dehydrating agent and the catalyst. It is particularly preferably from 1.0 to 1.0 mol, more preferably from 0.3 to 0.8 mol.
- timing of mixing the dehydrating agent and the catalyst with the polyamic acid is preferable from the viewpoint of obtaining a multilayer polyimide film having a uniform thickness immediately before being added to the multilayer die.
- the method for volatilization of the solvent in at least three layers extruded from a multilayer die or at least two layers is not particularly limited, but heating and / or blowing is the simplest method.
- heating and / or blowing is the simplest method.
- the temperature at the time of heating is too high, the solvent is volatilized rapidly, and the trace of the volatilization causes a micro defect to be formed in the finally obtained adhesive film.
- the imidization time it is sufficient to take a time sufficient for the imidization and drying to be substantially completed.
- the imidization time is not uniquely limited, but in general, when a chemical curing method is employed, 1 When the thermal curing method is used for about 600 seconds, the time is appropriately set in the range of 60-1800 seconds.
- the tension applied during imidization is preferably in the range of 1 kg / m to 15 kg / m, and particularly preferably in the range of 5 kg / m to 10 kg / m. If the tension is smaller than the above range, sagging or meandering may occur during film conveyance, which may cause problems such as wrinkling during winding or inability to uniformly wind. On the other hand, when it is larger than the above range, the metal-clad laminate produced using the substrate for metal-clad laminate may deteriorate in dimensional characteristics because it is heated at a high temperature with a strong tension applied.
- multilayer die those having various structures can be used.
- a T-die for creating a film for plural layers can be used.
- any conventionally known structure can be suitably used, and feed block T dies and multi-manifold T dies are exemplified as particularly suitable ones.
- the method for producing a flexible metal-clad laminate according to the present invention preferably includes a step of bonding a metal foil to the multilayer polyimide film.
- a copper foil having a thickness of 1 to 25 ⁇ m can be used, and either a rolled copper foil or an electrolytic copper foil may be used.
- a hot roll laminating apparatus having a pair of metal rolls or a continuous treatment by a double belt press can be used.
- DBP double belt press
- the “heat roll laminating apparatus having a pair of metal rolls” herein may be an apparatus having a metal roll for heating and pressurizing a material, and the specific apparatus configuration is particularly limited. It is not a thing.
- thermal lamination process The process of laminating the multilayer polyimide film and the metal foil by thermal lamination is hereinafter referred to as “thermal lamination process”.
- thermal lamination means The specific configuration of the means for carrying out the thermal lamination (hereinafter sometimes referred to as “thermal lamination means” in the present specification) is not particularly limited, but the appearance of the resulting laminate is good. In order to achieve this, it is preferable to arrange a protective material between the pressing surface and the metal foil.
- the protective material examples include materials that can withstand the heating temperature in the heat laminating process, for example, heat-resistant plastics such as non-thermoplastic polyimide films, copper foils, aluminum foils, metal foils such as SUS foils, and the like.
- heat-resistant plastics such as non-thermoplastic polyimide films, copper foils, aluminum foils, metal foils such as SUS foils, and the like.
- a non-thermoplastic polyimide film or a film made of a thermoplastic polyimide having a glass transition temperature (Tg) higher by 50 ° C. or more than the laminating temperature is preferably used from the viewpoint of excellent balance of heat resistance, reusability and the like.
- Tg glass transition temperature
- the thickness of the non-thermoplastic polyimide film is preferably 75 ⁇ m or more.
- the protective material does not necessarily have to be a single layer, and may have a multilayer structure of two or more layers having different characteristics.
- the laminating temperature is high, if the protective material is used for laminating as it is, the appearance and dimensional stability of the obtained flexible metal-clad laminate may not be sufficient due to rapid thermal expansion. Therefore, it is preferable to preheat the protective material before lamination. As described above, when the protective material is preheated and then laminated, since the thermal expansion of the protective material is finished, the appearance and dimensional characteristics of the flexible metal-clad laminate are suppressed.
- a method of bringing a protective material into contact with a heating roll for example, may be mentioned.
- the contact time is preferably 1 second or longer, and more preferably 3 seconds or longer.
- the distance at which the protective material is held on the heating roll is not particularly limited, and may be appropriately adjusted from the diameter of the heating roll and the contact time.
- the heating method of the material to be laminated in the heat laminating means is not particularly limited, and a conventionally known method capable of heating at a predetermined temperature, such as a heat circulation method, a hot air heating method, an induction heating method, etc., is adopted.
- a heating means can be used.
- the method for pressurizing the material to be laminated in the thermal laminating means is not particularly limited, and is a conventionally known method capable of applying a predetermined pressure such as a hydraulic method, a pneumatic method, a gap pressure method, or the like.
- a pressurizing means adopting the method can be used.
- the heating temperature in the thermal laminating step is preferably a glass transition temperature (Tg) of the multilayer polyimide film + 50 ° C. or higher, and more preferably Tg + 100 ° C. or higher of the multilayer polyimide film. If it is Tg + 50 degreeC or more temperature, a multilayer polyimide film and metal foil can be heat-laminated favorably. Moreover, if it is Tg + 100 degreeC or more, the lamination speed
- Tg glass transition temperature
- the polyimide film used as the core of the multilayer polyimide film of the present invention is designed so that thermal stress relaxation effectively works when laminated at Tg + 100 ° C. or higher.
- a flexible metal-clad laminate excellent in productivity can be obtained with high productivity.
- the contact time with the heating roll is preferably 0.1 seconds or more, more preferably 0.2 seconds or more, and particularly preferably 0.5 seconds or more.
- the upper limit of the contact time is preferably 5 seconds or less. Even if the contact is made for longer than 5 seconds, the relaxation effect is not increased, and it is not preferable because a decrease in the laminating speed and restrictions on the line handling occur.
- the flexible metal-clad laminate after being brought into contact with the heating roll and gradually cooled is subjected to the post-heating step with the protective material still disposed.
- the tension at this time is preferably in the range of 1 to 10 N / cm.
- the post-heating atmospheric temperature is preferably in the range of (temperature of the flexible metal-clad laminate after slow cooling ⁇ 200 ° C.) to (laminate temperature + 100 ° C.).
- Ambient temperature refers to the outer surface temperature of the protective material adhered to both surfaces of the flexible metal-clad laminate.
- the actual temperature of the flexible metal-clad laminate varies somewhat depending on the thickness of the protective material, but if the temperature of the surface of the protective material is within the above range, the effect of post-heating can be exhibited.
- the outer surface temperature of the protective material can be measured using a thermocouple or a thermometer.
- the laminating speed in the thermal laminating step is preferably 0.5 m / min or more, and more preferably 1.0 m / min or more. If it is 0.5 m / min or more, sufficient thermal lamination is possible, and if it is 1.0 m / min or more, productivity can be further improved.
- the laminating pressure is preferably in the range of 49 to 490 N / cm (5 to 50 kgf / cm), and more preferably in the range of 98 to 294 N / cm (10 to 30 kgf / cm). Within this range, the three conditions of laminating temperature, laminating speed, and laminating pressure can be improved, and productivity can be further improved.
- the adhesive film tension in the laminating step is preferably within a range of 0.01 to 4 N / cm, more preferably within a range of 0.02 to 2.5 N / cm, and 0.05 to 1.
- a range of 5 N / cm is particularly preferable.
- a thermal laminating apparatus that continuously press-bonds the material to be laminated while heating.
- a laminated material feeding means for feeding the laminated material may be provided before the thermal laminating means, or a laminated material winding for winding the laminated material is taken after the thermal laminating means. Means may be provided.
- the specific configuration of the laminated material feeding means and the laminated material winding means is not particularly limited.
- a known roll shape capable of winding an adhesive film, a metal foil, or a laminated sheet to be obtained. A winder etc. can be mentioned.
- a protective material winding means or a protective material feeding means for winding or feeding the protective material. If these protective material take-up means and protective material feeding means are provided, the protective material can be reused by winding the protective material once used in the thermal laminating step and installing it again on the pay-out side. .
- an end position detecting means and a winding position correcting means may be provided in order to align both ends of the protective material.
- the end portions of the protective material can be aligned and wound with high accuracy, so that the efficiency of reuse can be increased.
- the specific configurations of the protective material winding means, the protective material feeding means, the end position detecting means, and the winding position correcting means are not particularly limited, and various conventionally known devices can be used.
- the flexible metal-clad laminate according to the present invention may be obtained by laminating a metal foil to the multilayer polyimide film of the present invention, but the peeling strength between the multilayer polyimide film of the flexible metal-clad laminate and the metal foil is sufficient. 10 N / cm or more is more preferable. When peeling between layers of a multilayer polyimide film and whitening have occurred, the multilayer polyimide film may easily peel off inside the multilayer polyimide film.
- the flexible metal-clad laminate according to the present invention uses the multilayer polyimide film of the present invention with little peeling between layers and white turbidity (whitening) between layers, so that at least the peeling inside the multilayer polyimide film hardly occurs. It is considered possible.
- thermoplastic polyimide of the multilayer polyimide film by using 3,3 ′, 4,4′-biphenyltetracarboxylic dianhydride as the acid dianhydride constituting the thermoplastic polyimide of the multilayer polyimide film, the metal foil drawing after metal-clad laminate processing is performed. The further effect that peeling strength can be improved further can be acquired.
- the solder heat resistance of the flexible metal-clad laminate according to the present invention may be 300 ° C. or higher in normal measurement, but is preferably 320 ° C. or higher, more preferably 330 ° C. or higher, and more preferably 340 ° C. or higher. It is particularly preferred that The solder heat resistance of the flexible metal-clad laminate may be 250 ° C. or higher as measured after moisture absorption, but is preferably 280 ° C. or higher, more preferably 290 ° C. or higher, and 300 ° C. or higher. It is particularly preferred.
- thermoplastic polyimide of the multilayer polyimide film pyromellitic dianhydride is used as the acid dianhydride constituting the thermoplastic polyimide of the multilayer polyimide film, and 2,2-bis [4- (4-amino] is used as the diamine constituting the thermoplastic polyimide.
- phenoxy) phenyl] propane it is possible to obtain a further effect that swelling during soldering in a moisture absorption state can be further suppressed.
- thermoplastic polyimide As acid dianhydride constituting thermoplastic polyimide, pyromellitic dianhydride and 3,3 ′, 4,4′-biphenyltetracarboxylic dianhydride are used in combination to obtain a metal foil. A further effect that it is possible to achieve both peeling strength and solder heat resistance can be obtained.
- the present invention is a multilayer polyimide film having a thermoplastic polyimide layer on at least one of the non-thermoplastic polyimide layers, the total number of moles of acid dianhydride monomer and diamine monomer constituting the thermoplastic polyimide.
- the multilayer polyimide film is characterized in that 60% or more of the above is the same as at least one monomer of an acid dianhydride monomer and a diamine monomer constituting the non-thermoplastic polyimide.
- 80% or more of the total number of moles of the acid dianhydride monomer and the diamine monomer constituting the thermoplastic polyimide is the acid dianhydride monomer and diamine constituting the non-thermoplastic polyimide.
- the present invention relates to a multilayer polyimide film characterized by being the same as at least one monomer.
- the acid dianhydride monomer constituting the thermoplastic polyimide is pyromellitic dianhydride, 3,3 ′, 4,4′-biphenyltetracarboxylic dianhydride, and 3,
- the present invention relates to a multilayer polyimide film characterized by being at least one selected from the group consisting of 3 ′, 4,4′-benzophenonetetracarboxylic dianhydride.
- the diamine monomer constituting the thermoplastic polyimide is 4,4′-diaminodiphenyl ether or 2,2-bis [4- (4-aminophenoxy) phenyl] propane. And a multilayer polyimide film.
- the acid dianhydride monomer constituting the thermoplastic polyimide is pyromellitic dianhydride
- the diamine monomer constituting the thermoplastic polyimide is 2,2-bis
- the present invention relates to a multilayer polyimide film characterized by being 4- (4-aminophenoxy) phenyl] propane.
- the acid dianhydride monomer constituting the thermoplastic polyimide is pyromellitic dianhydride and 3,3 ′, 4,4′-biphenyltetracarboxylic dianhydride
- the multilayer polyimide film is characterized in that the diamine monomer constituting the thermoplastic polyimide is 2,2-bis [4- (4-aminophenoxy) phenyl] propane.
- the ratio of pyromellitic dianhydride and 3,3 ′, 4,4′-biphenyltetracarboxylic dianhydride, which is an acid dianhydride monomer constituting the thermoplastic polyimide is , 70/30 to 95/5.
- a preferred embodiment relates to a multilayer polyimide film produced by multilayer coextrusion.
- the present invention also relates to a flexible metal-clad laminate obtained by bonding a metal foil to the multilayer polyimide film described above.
- the present invention will be specifically described by way of examples. However, the present invention is not limited to these examples.
- the evaluation method of the peeling strength of a multilayer polyimide film and metal foil and solder heat resistance in a synthesis example, an Example, and a comparative example is as follows.
- Thermally laminating was performed continuously under the conditions of a temperature of 380 ° C., a laminating pressure of 196 N / cm (20 kgf / cm), and a laminating speed of 1.5 m / min, and a flexible metal-clad laminate was produced.
- test piece was adjusted at 23 ° C./55% RH for 24 hours and then evaluated by floating for 30 seconds using a solder bath heated from 250 ° C. to 350 ° C. in increments of 10 ° C.
- the measurement after moisture absorption was adjusted at 85 ° C./85% RH for 24 hours, and then evaluated using a heated solder bath and a 10-second float. In each case, the maximum temperature at which no blistering occurred was taken as the evaluation value.
- Example 1 Using a multi-manifold type three-layer coextrusion multilayer die having a lip width of 200 mm, the polyamic acid solution obtained in Synthesis Example 3 / the polyamic acid solution obtained in Synthesis Example 1 / the polyamic acid solution obtained in Synthesis Example 3 It was extruded and cast on an aluminum foil with a three-layer structure in order. Next, after heating this multilayer film at 150 ° C. ⁇ 100 seconds, the gel film having self-supporting properties is peeled off and fixed to a metal frame, 250 ° C. ⁇ 40 seconds, 300 ° C. ⁇ 60 seconds, 350 ° C. ⁇ 60 Second, 370 ° C.
- Table 2 shows the results of observing the appearance of the obtained multilayer polyimide film.
- ⁇ when whitening or peeling is not observed (indicated in Table 2 as “no problem”), ⁇ , when whitening is not achieved but haze is observed (in Table 2, “with haze”) ), And a case where both whitening and peeling are observed (denoted as “whitening + peeling” in Table 2) were marked with ⁇ .
- Example 2 The same procedure as in Example 1 except that the polyamic acid solution obtained in Synthesis Example 4 / the polyamic acid solution obtained in Synthesis Example 1 / the polyamic acid solution obtained in Synthesis Example 4 has a three-layer structure in this order. did. The results are summarized in Table 2.
- Example 3 The same procedure as in Example 1 except that the polyamic acid solution obtained in Synthesis Example 5 / the polyamic acid solution obtained in Synthesis Example 1 / the polyamic acid solution obtained in Synthesis Example 5 has a three-layer structure in this order. did. The results are summarized in Table 2.
- Example 4 The same procedure as in Example 1 except that the polyamic acid solution obtained in Synthesis Example 3 / the polyamic acid solution obtained in Synthesis Example 2 / the polyamic acid solution obtained in Synthesis Example 3 were in this order. did. The results are summarized in Table 2.
- Example 5 The same procedure as in Example 1 except that the polyamic acid solution obtained in Synthesis Example 4 / the polyamic acid solution obtained in Synthesis Example 2 / the polyamic acid solution obtained in Synthesis Example 4 has a three-layer structure in this order. did. The results are summarized in Table 2.
- Example 6 The same procedure as in Example 1 except that the polyamic acid solution obtained in Synthesis Example 6 / the polyamic acid solution obtained in Synthesis Example 2 / the polyamic acid solution obtained in Synthesis Example 6 has a three-layer structure in this order. did. The results are summarized in Table 2.
- Example 7 The same procedure as in Example 1 except that the polyamic acid solution obtained in Synthesis Example 7 / the polyamic acid solution obtained in Synthesis Example 2 / the polyamic acid solution obtained in Synthesis Example 7 has a three-layer structure in this order. did. The results are summarized in Table 2.
- Example 8 The same procedure as in Example 1 except that the polyamic acid solution obtained in Synthesis Example 8 / the polyamic acid solution obtained in Synthesis Example 2 / the polyamic acid solution obtained in Synthesis Example 8 has a three-layer structure in this order. did. The results are summarized in Table 2.
- Example 9 The same procedure as in Example 1 was performed except that the polyamic acid solution obtained in Synthesis Example 9 / the polyamic acid solution obtained in Synthesis Example 2 / the polyamic acid solution obtained in Synthesis Example 9 was in this order. did. The results are summarized in Table 2.
- Example 10 The same procedure as in Example 1 except that the polyamic acid solution obtained in Synthesis Example 10 / the polyamic acid solution obtained in Synthesis Example 2 / the polyamic acid solution obtained in Synthesis Example 10 has a three-layer structure in this order. did. The results are summarized in Table 2.
- Example 11 The same procedure as in Example 1 except that the polyamic acid solution obtained in Synthesis Example 11 / the polyamic acid solution obtained in Synthesis Example 2 / the polyamic acid solution obtained in Synthesis Example 11 has a three-layer structure in this order. did. The results are summarized in Table 2.
- the present invention it is possible to provide a multilayer polyimide film with little peeling between layers or white turbidity (whitening) between layers when heated at a high temperature, and a flexible metal-clad laminate using the same. Therefore, it can be widely applied in the industrial field in which a flexible metal-clad laminate is manufactured or used.
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Laminated Bodies (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
Abstract
Description
1)芳香族ジアミンを有機極性溶媒中に溶解し、これと実質的に等モルの芳香族テトラカルボン酸二無水物を反応させて重合する方法、
2)芳香族テトラカルボン酸二無水物とこれに対し過小モル量の芳香族ジアミン化合物とを有機極性溶媒中で反応させ、両末端に酸無水物基を有するプレポリマーを得る。続いて、全工程において芳香族テトラカルボン酸二無水物と芳香族ジアミン化合物が実質的に等モルとなるように芳香族ジアミン化合物を用いて重合させる方法、
3)芳香族テトラカルボン酸二無水物とこれに対し過剰モル量の芳香族ジアミン化合物とを有機極性溶媒中で反応させ、両末端にアミノ基を有するプレポリマーを得る。続いてここに芳香族ジアミン化合物を追加添加後、全工程において芳香族テトラカルボン酸二無水物と芳香族ジアミン化合物が実質的に等モルとなるように芳香族テトラカルボン酸二無水物を用いて重合する方法、
4)芳香族テトラカルボン酸二無水物を有機極性溶媒中に溶解および/または分散させた後、実質的に等モルとなるように芳香族ジアミン化合物を用いて重合させる方法、
5)実質的に等モルの芳香族テトラカルボン酸二無水物と芳香族ジアミンの混合物を有機極性溶媒中で反応させて重合する方法、などのような方法である。これらの方法を単独で用いても良いし、部分的に組み合わせて用いることもできる。
(a)芳香族酸二無水物と、これに対し過剰モル量の芳香族ジアミンとを有機極性溶媒中で反応させ、両末端にアミノ基を有するプレポリマーを得る、
(b)続いて、ここに芳香族ジアミンを追加添加する、
(c)更に、全工程における芳香族酸二無水物と芳香族ジアミンが実質的に等モルとなるように芳香族酸二無水物を添加して重合する、
を経ることによって得られることが好ましい。
(1)重合前または途中に重合反応液に添加する方法
(2)重合完了後、3本ロールなどを用いてフィラーを混錬する方法
(3)フィラーを含む分散液を用意し、これをポリアミド酸有機溶媒溶液に混合する方法
(4)ビーズミル等により分散する方法
などいかなる方法を用いてもよいが、フィラーを含む分散液をポリアミド酸溶液に混合する方法、特に製膜直前に混合する方法が、製造ラインのフィラーによる汚染が最も少なくてすむため、好ましい。
(A-B)×100/B・・・・(1)
式(1)中
A,Bは以下のものを表す。
A:多層膜の重量
B:多層膜を450℃で20分間加熱した後の重量
から算出される揮発分含量は5~200重量%の範囲、好ましくは10~100重量%、より好ましくは30~80重量%の範囲にある。この範囲のフィルムを用いることが好適であり、この範囲内では、焼成過程でフィルム破断、乾燥ムラによるフィルムの色調ムラ、特性ばらつき等の不具合が起こりにくい。また、接着層の熔融流動性を改善する目的で、意図的にイミド化率を低くする及び/又は溶媒を残留させてもよい。
多層ポリイミドフィルムの両面に18μmの圧延銅箔(BHY-22B-T;日鉱金属製)、さらにその両側に保護材料(アピカル125NPI;カネカ製)を配して、熱ロールラミネート機を用いて、ラミネート温度380℃、ラミネート圧力196N/cm(20kgf/cm)、ラミネート速度1.5m/分の条件で連続的に熱ラミネートを行い、フレキシブル金属張積層板を作製した。
JIS C6471の「6.5 引きはがし強さ」に従って、サンプルを作製し、5mm幅の金属箔部分を、180度の剥離角度、50mm/分の条件で剥離し、その荷重を測定した。
IPC-TM-650 No.2.4.13に準拠して測定した。常態測定は、試験片を23℃/55%RHで24時間調整した後、250℃~350℃を10℃刻みに加熱した半田浴を用い、30秒フロートさせて評価した。吸湿後測定は、85℃/85%RHで24時間調整した後、加熱した半田浴を用い、10秒フロートで評価した。いずれも膨れが発生しなかった最高温度を評価値とした。
DMF:N,N-ジメチルホルムアミド
BAPP:2,2-ビス[4-(4-アミノフェノキシ)フェニル]プロパン
ODA:4,4´-ジアミノジフェニルエーテル
PDA:p-フェニレンジアミン
BPDA:3,3´,4,4´-ビフェニルテトラカルボン酸二無水物物
BTDA:3,3´,4,4´-ベンゾフェノンテトラカルボン酸二無水物
PMDA:ピロメリット酸二無水物
以下に、ポリアミド酸溶液の合成例を示す。
10℃に冷却したDMF(1173.5g)に、BAPP(57.3g:0.140mol)、ODA(18.6g:0.093mol)、を溶解した。ここに、BPDA(27.4g:0.093mol)、PMDA(25.4g:0.116mol)を添加して、30分間均一攪拌し、プレポリマーを得た。
10℃に冷却したDMF(1173.5g)に、BAPP(57.3g:0.140mol)、ODA(18.6g:0.093mol)、を溶解した。ここに、BTDA(30.0g:0.093mol)、PMDA(25.4g:0.116mol)を添加して、30分間均一攪拌し、プレポリマーを得た。
N,N-ジメチルホルムアミド(DMF)843.4gに、BAPP(118.6g:0.289mol)を溶解した。ここに、BPDA(67.7g:0.230mol)を投入し、50℃に加熱した後、10℃に冷却し、BTDA(14.5g:0.045mol)を添加し、プレポリマーを得た。
N,N-ジメチルホルムアミド(DMF)843.4gに、BAPP(118.6g:0.289mol)を溶解した。ここに、BPDA(50.6g:0.172mol)を投入し、50℃に加熱した後、10℃に冷却し、BTDA(32.2g:0.100mol)を添加し、プレポリマーを得た。
N,N-ジメチルホルムアミド(DMF)937.6gに、BPDA(85.6g:0.291mol)を添加した後、BAPP(118.6g:0.289mol)を添加し、固形成分濃度約17%で粘度が23℃において800poiseのポリアミド酸溶液を得た。その後、DMFを加え、固形成分濃度14重量%のポリアミド酸溶液を得た。使用した単量体のモル数を表1に示す。
N,N-ジメチルホルムアミド(DMF)843.4gに、BAPP(118.6g:0.289mol)を溶解した。ここに、BPDA(12.7g:0.043mol)を投入し、50℃に加熱した後、10℃に冷却し、PMDA(48.6g:0.223mol)を添加し、プレポリマーを得た。
N,N-ジメチルホルムアミド(DMF)843.4gに、BAPP(118.6g:0.289mol)を溶解した。ここに、BPDA(21.5g:0.073mol)を投入し、50℃に加熱した後、10℃に冷却し、PMDA(42.1g:0.193mol)を添加し、プレポリマーを得た。
N,N-ジメチルホルムアミド(DMF)843.4gに、BAPP(118.6g:0.289mol)を溶解した。ここに、BPDA(25.6g:0.087mol)を投入し、50℃に加熱した後、10℃に冷却し、PMDA(39.0g:0.179mol)を添加し、プレポリマーを得た。
N,N-ジメチルホルムアミド(DMF)843.4gに、BAPP(118.6g:0.289mol)を溶解した。ここに、BPDA(42.4g:0.144mol)を投入し、50℃に加熱した後、10℃に冷却し、PMDA(26.6g:0.122mol)を添加し、プレポリマーを得た。
N,N-ジメチルホルムアミド(DMF)843.4gに、BAPP(118.6g:0.289mol)を溶解した。ここに、BPDA(4.1g:0.014mol)を投入し、50℃に加熱した後、10℃に冷却し、PMDA(55.0g:0.252mol)を添加し、プレポリマーを得た。
N,N-ジメチルホルムアミド(DMF)843.4gに、BAPP(118.6g:0.289mol)を溶解した。10℃に冷却し、PMDA(58.0g:0.266mol)を添加し、プレポリマーを得た。
リップ幅200mmのマルチマニホールド式の3層共押出多層ダイを用い、合成例3で得られたポリアミド酸溶液/合成例1で得られたポリアミド酸溶液/合成例3で得られたポリアミド酸溶液の順の3層構造でアルミ箔上に押出し流延した。次いで、この多層膜を150℃×100秒で加熱した後、自己支持性を有するゲルフィルムを引き剥がして、金属枠に固定し、250℃×40秒、300℃×60秒、350℃×60秒、370℃×30秒で乾燥・イミド化し、熱可塑性ポリイミド層/非熱可塑性ポリイミド層/熱可塑性ポリイミド層の厚みが、4μm/17μm/4μmの多層ポリイミドフィルムを得た。得られた多層ポリイミドフィルムの外観を観察した結果を表2に示す。外観観察の結果、白色化も剥がれも認められない場合(表2中、「問題なし」と記載)を◎、白色化には至らないがヘイズが認められる場合(表2中、「ヘイズあり」と記載)を○、白色化と剥がれがともに認められる場合(表2中、「白化+剥がれ」と記載)を×とした。
合成例4で得られたポリアミド酸溶液/合成例1で得られたポリアミド酸溶液/合成例4で得られたポリアミド酸溶液の順の3層構造であること以外は実施例1と同様に実施した。結果は表2にまとめた。
合成例5で得られたポリアミド酸溶液/合成例1で得られたポリアミド酸溶液/合成例5で得られたポリアミド酸溶液の順の3層構造であること以外は実施例1と同様に実施した。結果は表2にまとめた。
合成例3で得られたポリアミド酸溶液/合成例2で得られたポリアミド酸溶液/合成例3で得られたポリアミド酸溶液の順の3層構造であること以外は実施例1と同様に実施した。結果は表2にまとめた。
合成例4で得られたポリアミド酸溶液/合成例2で得られたポリアミド酸溶液/合成例4で得られたポリアミド酸溶液の順の3層構造であること以外は実施例1と同様に実施した。結果は表2にまとめた。
合成例6で得られたポリアミド酸溶液/合成例2で得られたポリアミド酸溶液/合成例6で得られたポリアミド酸溶液の順の3層構造であること以外は実施例1と同様に実施した。結果は表2にまとめた。
合成例7で得られたポリアミド酸溶液/合成例2で得られたポリアミド酸溶液/合成例7で得られたポリアミド酸溶液の順の3層構造であること以外は実施例1と同様に実施した。結果は表2にまとめた。
合成例8で得られたポリアミド酸溶液/合成例2で得られたポリアミド酸溶液/合成例8で得られたポリアミド酸溶液の順の3層構造であること以外は実施例1と同様に実施した。結果は表2にまとめた。
合成例9で得られたポリアミド酸溶液/合成例2で得られたポリアミド酸溶液/合成例9で得られたポリアミド酸溶液の順の3層構造であること以外は実施例1と同様に実施した。結果は表2にまとめた。
合成例10で得られたポリアミド酸溶液/合成例2で得られたポリアミド酸溶液/合成例10で得られたポリアミド酸溶液の順の3層構造であること以外は実施例1と同様に実施した。結果は表2にまとめた。
合成例11で得られたポリアミド酸溶液/合成例2で得られたポリアミド酸溶液/合成例11で得られたポリアミド酸溶液の順の3層構造であること以外は実施例1と同様に実施した。結果は表2にまとめた。
合成例5で得られたポリアミド酸溶液/合成例2で得られたポリアミド酸溶液/合成例5で得られたポリアミド酸溶液の順の3層構造であること以外は実施例1と同様に実施した。結果は表2にまとめた。
Claims (9)
- 非熱可塑性ポリイミド層の少なくとも一方に熱可塑性ポリイミド層を有する多層ポリイミドフィルムであって、熱可塑性ポリイミドを構成する酸二無水物単量体とジアミン単量体の合計モル数の60%以上が、非熱可塑性ポリイミドを構成する酸二無水物単量体とジアミン単量体のそれぞれ少なくとも1種の単量体と同じであることを特徴とする多層ポリイミドフィルム。
- 熱可塑性ポリイミドを構成する酸二無水物単量体とジアミン単量体の合計モル数の80%以上が、非熱可塑性ポリイミドを構成する酸二無水物単量体とジアミン単量体のそれぞれ少なくとも1種の単量体と同じであることを特徴とする請求項1記載の多層ポリイミドフィルム。
- 上記熱可塑性ポリイミドを構成する酸二無水物単量体は、ピロメリット酸二無水物、3,3´,4,4´-ビフェニルテトラカルボン酸二無水物、および3,3´,4,4´-ベンゾフェノンテトラカルボン酸二無水物からなる群より選ばれる少なくとも1種であることを特徴とする請求項1又は2に記載の多層ポリイミドフィルム。
- 上記熱可塑性ポリイミドを構成するジアミン単量体は、4,4´-ジアミノジフェニルエーテル、または2,2-ビス[4-(4-アミノフェノキシ)フェニル]プロパンであることを特徴とする請求項1~3のいずれか1項に記載の多層ポリイミドフィルム。
- 上記熱可塑性ポリイミドを構成する酸二無水物単量体が、ピロメリット酸二無水物と3,3´,4,4´-ビフェニルテトラカルボン酸二無水物とであり、上記熱可塑性ポリイミドを構成するジアミン単量体が、2,2-ビス[4-(4-アミノフェノキシ)フェニル]プロパンであることを特徴とする請求項1~4のいずれか1項に記載の多層ポリイミドフィルム。
- 上記熱可塑性ポリイミドを構成する酸二無水物単量体である、ピロメリット酸二無水物と3,3´,4,4´-ビフェニルテトラカルボン酸二無水物の比率が、70/30~95/5であることを特徴とする請求項5に記載の多層ポリイミドフィルム。
- 上記熱可塑性ポリイミドを構成する酸二無水物単量体が、ピロメリット酸二無水物であり、上記熱可塑性ポリイミドを構成するジアミン単量体が、2,2-ビス[4-(4-アミノフェノキシ)フェニル]プロパンであることを特徴とする請求項1~4のいずれか1項に記載の多層ポリイミドフィルム。
- 多層共押出によって製造することを特徴とする請求項1~7のいずれか1項に記載の多層ポリイミドフィルム。
- 請求項1~8のいずれか1項に記載の多層ポリイミドフィルムに金属箔を貼り合わせて得られることを特徴とするフレキシブル金属張積層板。
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/522,546 US20130011687A1 (en) | 2010-01-18 | 2011-01-13 | Multilayer polymide film and flexible metal laminated board |
| KR1020167010199A KR20160045941A (ko) | 2010-01-18 | 2011-01-13 | 다층 폴리이미드 필름 및 그것을 사용한 플렉서블 금속장 적층판 |
| CN201180006250.0A CN102712187B (zh) | 2010-01-18 | 2011-01-13 | 多层聚酰亚胺膜及使用有该多层聚酰亚胺膜的柔性金属箔积层板 |
| KR1020127020238A KR101680556B1 (ko) | 2010-01-18 | 2011-01-13 | 다층 폴리이미드 필름 및 그것을 사용한 플렉서블 금속장 적층판 |
| JP2011549997A JP5766125B2 (ja) | 2010-01-18 | 2011-01-13 | 多層ポリイミドフィルム及びそれを用いたフレキシブル金属張積層板 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010008294 | 2010-01-18 | ||
| JP2010-008294 | 2010-01-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2011087044A1 true WO2011087044A1 (ja) | 2011-07-21 |
Family
ID=44304317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2011/050420 Ceased WO2011087044A1 (ja) | 2010-01-18 | 2011-01-13 | 多層ポリイミドフィルム及びそれを用いたフレキシブル金属張積層板 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20130011687A1 (ja) |
| JP (2) | JP5766125B2 (ja) |
| KR (2) | KR101680556B1 (ja) |
| CN (2) | CN105437656A (ja) |
| TW (1) | TWI627065B (ja) |
| WO (1) | WO2011087044A1 (ja) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013028146A (ja) * | 2011-07-29 | 2013-02-07 | Kaneka Corp | 金属張積層板の製造方法 |
| WO2013157565A1 (ja) * | 2012-04-19 | 2013-10-24 | 宇部興産株式会社 | 熱融着性ポリイミドフィルム、熱融着性ポリイミドフィルムの製造方法及び熱融着性ポリイミドフィルムを用いたポリイミド金属積層体 |
| KR20170122196A (ko) | 2015-02-26 | 2017-11-03 | 우베 고산 가부시키가이샤 | 동장(銅張) 적층판의 제조방법 |
| CN117210043A (zh) * | 2023-10-19 | 2023-12-12 | 青岛恩泽化工有限公司 | 一种水性防闪锈剂及其制备方法 |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101907941B1 (ko) * | 2010-12-14 | 2018-10-16 | 가부시키가이샤 가네카 | 3층 공압출 폴리이미드 필름의 제조 방법 |
| KR102038137B1 (ko) | 2012-12-21 | 2019-10-30 | 주식회사 넥스플렉스 | 다층 연성금속박 적층체 및 이의 제조방법 |
| JP2015199350A (ja) * | 2014-03-31 | 2015-11-12 | 新日鉄住金化学株式会社 | フレキシブルデバイスの製造方法、フレキシブルデバイス製造装置、フレキシブルデバイス及び液状組成物 |
| US9694569B2 (en) | 2014-06-24 | 2017-07-04 | Taiflex Scientific Co., Ltd. | Polyimide metal laminated plate and method of making the same |
| US10798826B2 (en) | 2015-03-31 | 2020-10-06 | Kaneka Corporation | Polyimide laminate film, method for manufacturing polyimide laminate film, method for manufacturing thermoplastic polyimide, and method for manufacturing flexible metal-clad laminate |
| US10654222B2 (en) | 2015-06-26 | 2020-05-19 | Kaneka Corporation | Manufacturing method and manufacturing apparatus for single-sided metal-clad laminate |
| WO2018061727A1 (ja) * | 2016-09-29 | 2018-04-05 | 新日鉄住金化学株式会社 | ポリイミドフィルム、銅張積層板及び回路基板 |
| US11021606B2 (en) * | 2017-09-13 | 2021-06-01 | E I Du Pont De Nemours And Company | Multilayer film for electronic circuitry applications |
| KR102141892B1 (ko) * | 2018-04-05 | 2020-08-07 | 피아이첨단소재 주식회사 | 연성금속박적층판 제조용 폴리이미드 필름 및 이를 포함하는 연성금속박적층판 |
| KR101966958B1 (ko) | 2018-09-07 | 2019-04-09 | (주)아이피아이테크 | 반도체 패키지용 폴리이미드 필름 |
| WO2020209555A1 (ko) * | 2019-04-12 | 2020-10-15 | 피아이첨단소재 주식회사 | 치수안정성 및 접착력이 우수한 다층 폴리이미드 필름 및 이의 제조방법 |
| KR102272716B1 (ko) * | 2019-04-12 | 2021-07-05 | 피아이첨단소재 주식회사 | 치수안정성 및 접착력이 우수한 다층 폴리이미드 필름 및 이의 제조방법 |
| TWI871330B (zh) * | 2019-06-14 | 2025-02-01 | 美商杜邦電子股份有限公司 | 聚合物膜及電子裝置 |
| KR20210018110A (ko) * | 2019-08-05 | 2021-02-17 | 피아이첨단소재 주식회사 | 그라파이트 시트용 다층 폴리이미드 필름, 이의 제조방법 및 이로부터 제조된 그라파이트 시트 |
| CN111875824A (zh) * | 2020-08-07 | 2020-11-03 | 东莞市航达电子有限公司 | 一种聚酰亚胺膜及其聚酰亚胺积层板 |
| KR20230129182A (ko) | 2021-02-12 | 2023-09-06 | 다이킨 고교 가부시키가이샤 | 개질 불소 수지 재료, 회로 기판용 재료, 회로 기판용적층체, 회로 기판, 및, 개질 불소 수지 재료의 제조 방법 |
| KR102673464B1 (ko) * | 2021-11-16 | 2024-06-10 | 피아이첨단소재 주식회사 | 다층 구조의 폴리이미드 필름 및 이의 제조방법 |
| CN118238487A (zh) * | 2024-03-28 | 2024-06-25 | 江西巨先新材料科技有限公司 | 一种聚酰亚胺复合膜及其制备方法、柔性印刷布线板 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH091723A (ja) * | 1995-04-17 | 1997-01-07 | Kanegafuchi Chem Ind Co Ltd | 耐熱性ボンディングシート |
| JP2001270035A (ja) * | 2000-03-28 | 2001-10-02 | Ube Ind Ltd | フレキシブル金属箔積層体 |
| JP2002265894A (ja) * | 2001-03-08 | 2002-09-18 | Hitachi Chem Co Ltd | 耐熱性接着シート、金属箔張り積層板及びエリアアレイ半導体パッケージ用配線基板 |
| JP2002316386A (ja) * | 2001-04-20 | 2002-10-29 | Kanegafuchi Chem Ind Co Ltd | 銅張積層体およびその製造方法 |
| JP2005205806A (ja) * | 2004-01-23 | 2005-08-04 | Kaneka Corp | 接着フィルムならびにそれから得られる寸法安定性を向上させたフレキシブル金属張積層板、ならびにその製造方法 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08197695A (ja) | 1995-01-20 | 1996-08-06 | Kanegafuchi Chem Ind Co Ltd | 接着性絶縁フィルム及びその製造方法 |
| JP2746555B2 (ja) | 1995-11-13 | 1998-05-06 | 新日鐵化学株式会社 | フレキシブルプリント基板 |
| TWI300744B (ja) * | 2001-04-19 | 2008-09-11 | Nippon Steel Chemical Co | |
| JP2004189981A (ja) * | 2002-12-13 | 2004-07-08 | Kanegafuchi Chem Ind Co Ltd | 熱可塑性ポリイミド樹脂材料および積層体およびプリント配線板の製造方法 |
| US20060216502A1 (en) * | 2003-01-09 | 2006-09-28 | Takashi Kikuchi | Bonding sheet and on-side metal-clad laminate |
| CN101027340A (zh) * | 2004-09-24 | 2007-08-29 | 株式会社钟化 | 粘接性改善的新型聚酰亚胺薄膜 |
| JP4773726B2 (ja) * | 2005-01-14 | 2011-09-14 | 株式会社カネカ | 多層押出ポリイミドフィルムおよびその利用 |
| WO2006109655A1 (ja) * | 2005-04-08 | 2006-10-19 | Mitsui Chemicals, Inc. | ポリイミドフィルム及びそれを用いたポリイミド金属積層体とその製造方法 |
| JP4957059B2 (ja) | 2005-04-19 | 2012-06-20 | 宇部興産株式会社 | ポリイミドフィルム積層体 |
| JP2006297821A (ja) | 2005-04-22 | 2006-11-02 | Du Pont Toray Co Ltd | 多層ポリイミドフィルムおよびポリイミド積層体 |
| JP2007055039A (ja) * | 2005-08-23 | 2007-03-08 | Kaneka Corp | 片面金属張積層板およびその製造方法 |
| US8124241B2 (en) * | 2006-03-01 | 2012-02-28 | Kaneka Corporation | Process for producing multilayer polymide film |
| JP2007290256A (ja) * | 2006-04-25 | 2007-11-08 | Kaneka Corp | ポリイミド系多層フィルムの製造方法、およびこれにより得られるポリイミド系多層フィルム |
| US20090252957A1 (en) * | 2006-07-06 | 2009-10-08 | Kenichi Kasumi | Thermoplastic polyimide, and laminated polyimide film and metal foil-laminated polyimide film using the thermoplastic polyimide |
| CN101484500A (zh) * | 2006-07-06 | 2009-07-15 | 东丽株式会社 | 热塑性聚酰亚胺、使用该聚酰亚胺的层合聚酰亚胺薄膜以及金属箔层合聚酰亚胺薄膜 |
| JP2007069617A (ja) * | 2006-11-06 | 2007-03-22 | Mitsui Chemicals Inc | フレキシブル金属箔積層板の製造方法 |
| JP2008188843A (ja) * | 2007-02-02 | 2008-08-21 | Kaneka Corp | ポリイミド前駆体溶液の多層膜、多層ポリイミドフィルム、片面金属張積層板、および多層ポリイミドフィルムの製造方法 |
| CN101754856A (zh) * | 2007-08-03 | 2010-06-23 | Kaneka株式会社 | 多层聚酰亚胺膜、层叠板以及覆金属层叠板 |
-
2011
- 2011-01-13 CN CN201510794265.8A patent/CN105437656A/zh active Pending
- 2011-01-13 CN CN201180006250.0A patent/CN102712187B/zh active Active
- 2011-01-13 JP JP2011549997A patent/JP5766125B2/ja active Active
- 2011-01-13 US US13/522,546 patent/US20130011687A1/en not_active Abandoned
- 2011-01-13 TW TW100101299A patent/TWI627065B/zh active
- 2011-01-13 WO PCT/JP2011/050420 patent/WO2011087044A1/ja not_active Ceased
- 2011-01-13 KR KR1020127020238A patent/KR101680556B1/ko active Active
- 2011-01-13 KR KR1020167010199A patent/KR20160045941A/ko not_active Ceased
-
2015
- 2015-06-16 JP JP2015121236A patent/JP2015212090A/ja active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH091723A (ja) * | 1995-04-17 | 1997-01-07 | Kanegafuchi Chem Ind Co Ltd | 耐熱性ボンディングシート |
| JP2001270035A (ja) * | 2000-03-28 | 2001-10-02 | Ube Ind Ltd | フレキシブル金属箔積層体 |
| JP2002265894A (ja) * | 2001-03-08 | 2002-09-18 | Hitachi Chem Co Ltd | 耐熱性接着シート、金属箔張り積層板及びエリアアレイ半導体パッケージ用配線基板 |
| JP2002316386A (ja) * | 2001-04-20 | 2002-10-29 | Kanegafuchi Chem Ind Co Ltd | 銅張積層体およびその製造方法 |
| JP2005205806A (ja) * | 2004-01-23 | 2005-08-04 | Kaneka Corp | 接着フィルムならびにそれから得られる寸法安定性を向上させたフレキシブル金属張積層板、ならびにその製造方法 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013028146A (ja) * | 2011-07-29 | 2013-02-07 | Kaneka Corp | 金属張積層板の製造方法 |
| WO2013157565A1 (ja) * | 2012-04-19 | 2013-10-24 | 宇部興産株式会社 | 熱融着性ポリイミドフィルム、熱融着性ポリイミドフィルムの製造方法及び熱融着性ポリイミドフィルムを用いたポリイミド金属積層体 |
| KR20170122196A (ko) | 2015-02-26 | 2017-11-03 | 우베 고산 가부시키가이샤 | 동장(銅張) 적층판의 제조방법 |
| CN117210043A (zh) * | 2023-10-19 | 2023-12-12 | 青岛恩泽化工有限公司 | 一种水性防闪锈剂及其制备方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20130011687A1 (en) | 2013-01-10 |
| JPWO2011087044A1 (ja) | 2013-05-20 |
| JP5766125B2 (ja) | 2015-08-19 |
| CN102712187B (zh) | 2016-03-30 |
| CN102712187A (zh) | 2012-10-03 |
| KR20120123389A (ko) | 2012-11-08 |
| KR20160045941A (ko) | 2016-04-27 |
| TWI627065B (zh) | 2018-06-21 |
| KR101680556B1 (ko) | 2016-11-29 |
| CN105437656A (zh) | 2016-03-30 |
| TW201136765A (en) | 2011-11-01 |
| JP2015212090A (ja) | 2015-11-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5766125B2 (ja) | 多層ポリイミドフィルム及びそれを用いたフレキシブル金属張積層板 | |
| JP6175239B2 (ja) | 三層共押出ポリイミドフィルムの製造方法 | |
| JP2013032532A (ja) | 接着フィルムの製造方法 | |
| JPWO2007108284A1 (ja) | 接着フィルム | |
| WO2012081479A1 (ja) | 多層共押出ポリイミドフィルムの製造方法 | |
| CN101163734B (zh) | 新型聚酰亚胺膜及其利用 | |
| JP5069847B2 (ja) | 新規なポリイミドフィルム並びにそれを用いて得られる接着フィルム、フレキシブル金属張積層板 | |
| JP5735287B2 (ja) | 多層ポリイミドフィルム及びそれを用いたフレキシブル金属箔張積層板 | |
| JP5069846B2 (ja) | 新規なポリイミドフィルム並びにそれを用いて得られる接着フィルム、フレキシブル金属張積層板 | |
| JP4901509B2 (ja) | ポリイミド前駆体溶液の多層膜、多層ポリイミドフィルム、片面金属張積層板、および多層ポリイミドフィルムの製造方法 | |
| JP2008188843A (ja) | ポリイミド前駆体溶液の多層膜、多層ポリイミドフィルム、片面金属張積層板、および多層ポリイミドフィルムの製造方法 | |
| JP5546304B2 (ja) | 接着フィルムの製造方法ならびにフレキシブル金属張積層板 | |
| JP5711989B2 (ja) | ポリイミド系多層フィルムの製造方法 | |
| JP5839900B2 (ja) | 多層ポリイミドフィルムの製造方法 | |
| JP5985733B2 (ja) | 多層ポリイミドフィルムの製造方法 | |
| JP5355993B2 (ja) | 接着フィルム | |
| JP4398839B2 (ja) | 多層フィルムの製造方法およびこれにより得られる多層フィルム | |
| JP2007230019A (ja) | 金属張積層板の製造方法 | |
| JP2006159785A (ja) | 接着フィルムの製造方法 | |
| JP2006316232A (ja) | 接着フィルムおよびその製造方法 | |
| JP2006199871A (ja) | 接着フィルム |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WWE | Wipo information: entry into national phase |
Ref document number: 201180006250.0 Country of ref document: CN |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 2011549997 Country of ref document: JP |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| ENP | Entry into the national phase |
Ref document number: 20127020238 Country of ref document: KR Kind code of ref document: A |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 13522546 Country of ref document: US |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 11732914 Country of ref document: EP Kind code of ref document: A1 |