WO2012066805A1 - 繊維強化プラスチック成形体の製造方法、プリフォームおよびその製造方法、ならびに、接着フィルム - Google Patents
繊維強化プラスチック成形体の製造方法、プリフォームおよびその製造方法、ならびに、接着フィルム Download PDFInfo
- Publication number
- WO2012066805A1 WO2012066805A1 PCT/JP2011/060978 JP2011060978W WO2012066805A1 WO 2012066805 A1 WO2012066805 A1 WO 2012066805A1 JP 2011060978 W JP2011060978 W JP 2011060978W WO 2012066805 A1 WO2012066805 A1 WO 2012066805A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- resin
- preform
- reinforced plastic
- fixing resin
- fiber
- 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/02—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising combinations of reinforcements, e.g. non-specified reinforcements, fibrous reinforcing inserts and fillers, e.g. particulate fillers, incorporated in matrix material, forming one or more layers and with or without non-reinforced or non-filled layers
- B29C70/021—Combinations of fibrous reinforcement and non-fibrous material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
- B29C70/342—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation using isostatic pressure
-
- 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
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
-
- 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
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
-
- 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
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
- C08J5/241—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs using inorganic fibres
- C08J5/243—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs using inorganic fibres using carbon fibres
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/40—Adhesives in the form of films or foils characterised by release liners
-
- 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
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/021—Fibrous or filamentary layer
-
- 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
- Y10T428/14—Layer or component removable to expose adhesive
- Y10T428/1476—Release layer
-
- 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
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, 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
- Y10T428/249921—Web or sheet containing structurally defined element or component
Definitions
- the present invention relates to a method for producing a fiber-reinforced plastic molded body under a reduced pressure environment, a preform used therefor, a method for producing the same, and an adhesive film used for producing the preform.
- Fiber reinforced plastic (FRP: Fiber Reinforced Plastics) is attracting attention in various industrial fields as a lightweight and high-strength material.
- VaTM Vacuum assist Resin Transfer Molding
- a dry fiber fabric placed in a mold is covered with a bag film, the bag film is vacuum-sucked, a liquid resin is injected into the bag film, and the resin is impregnated into the fiber fabric and cured.
- Patent Document 1 Japanese Patent Laid-Open No. 60-83826.
- the dry fiber fabric does not have tackiness (adhesiveness)
- the dry fiber fabric itself has a three-dimensional shape forming process (the step of placing the dry fiber fabric on the mold or the dry fiber fabric). In the step of laminating dry fiber fabrics), it cannot be fixed at a position against gravity.
- wrinkles may occur in the fiber during decompression.
- thermoplastic resin A method of preliminarily bonding a plurality of fiber fabrics with an adhesive resin made of a mixture of (toughness) and a thermosetting resin to shorten the laminating process of dry fiber fabrics (for example, Patent Document 3: JP 2004-114586 A). (See the publication).
- Patent Document 2 can be used in the step of placing a dry fiber fabric on a mold, and further in the step of laminating the dry fiber fabric on the dry fiber fabric, and the working time can be shortened.
- the uncured thermoplastic component is exposed on the surface of the fiber-reinforced plastic molded body after demolding, the surface that was in contact with the mold is sticky, There is a problem that the thermoplastic component becomes a white spot and causes poor appearance.
- Patent Document 3 can be used in the process of laminating the dry fiber fabric on the dry fiber fabric, and the working time can be shortened, but the dry fiber fabric is disposed on the mold. It cannot be used in the process.
- the tension applied to the fiber is different between the inside and the outside, and the fiber is slackened to cause wrinkles.
- the present invention can prevent surface stickiness and poor appearance due to the generation of white spots in a fiber reinforced plastic molded article obtained by a method for producing a fiber reinforced plastic molded article in a reduced pressure environment.
- Preform that can be used for both the step of fixing the fiber woven fabric on the mold and the step of laminating the dry fiber woven fabric, the method for producing the preform, and the adhesive used for producing the preform The object is to provide a film.
- the present invention relates to a plurality of preforms comprising a dry fiber woven fabric and a fixing resin containing a semi-cured thermosetting resin having a tack property at room temperature formed on the surface thereof. And a liquid thermosetting resin is applied to the dry fiber fabric in the preform laminate fixed to the mold, and a laminate forming step of forming a preform laminate fixed to the mold.
- a preform laminate is produced by laminating a plurality of the preforms in consideration of the fiber orientation of the dry fiber fabric, and then the preform laminate is fixed to a mold. be able to.
- the laminate forming step after the preform is fixed to the mold through the fixing resin, at least one of the preforms may be further stacked through the fixing resin.
- the fixing resin is a vinyl ester resin having both a (meth) acryloyl group and an epoxy group in the same resin skeleton, and is a semi-cured resin in which only an epoxy group is reacted.
- the resin is a vinyl ester resin, and it is preferable that the fixing resin and the liquid thermosetting resin are simultaneously cured in the curing step.
- the liquid thermosetting resin is preferably cured by step cure, and the fixing resin is completely cured at the time of aftercuring the liquid thermosetting resin.
- the dry fiber fabric is preferably carbon fiber, and the fixing resin preferably contains carbon black.
- the present invention is also used for the production of a fiber reinforced plastic molded article comprising a dry fiber woven fabric and a fixing resin containing a semi-cured thermosetting resin having tackiness at room temperature formed on the surface thereof. Also related to preforms.
- the fixing resin is preferably formed in a regular dot shape.
- the present invention also relates to a method for manufacturing the preform, which includes a transfer step of transferring the fixing resin to the dry fiber fabric.
- an adhesive film comprising a release paper or a release film and a fixing resin including a thermosetting resin having a tackiness at room temperature formed on the surface thereof is used as the dry fiber fabric. It is preferable that the fixing resin is transferred to the dry fiber fabric in close contact therewith.
- the present invention also relates to an adhesive film comprising a release paper or a release film and a fixing resin containing a semi-cured thermosetting resin having tackiness at room temperature formed on the surface thereof.
- the adhesive film is preferably used in the preform production method.
- the fixing resin is preferably formed regularly so as to cover 0.05 to 5% of the area of the release paper or release film.
- the fixing resin is preferably formed in a regular dot shape.
- the fixing resin used in the present invention (a semi-cured thermosetting resin having tackiness at room temperature) does not contain a large amount of thermoplastic components, so even if it is used on the surface in contact with the mold, it may become sticky. Thus, a fiber-reinforced plastic molded article having a good appearance without white spots is obtained.
- the preform of the present invention includes the fixing resin, the position can be fixed without being affected by gravity, and a molding process into a three-dimensional shape (a dry fiber fabric is formed on the mold).
- the step of arranging and the step of laminating the dry fiber fabric on the dry fiber fabric) can be simplified and the productivity can be improved.
- FIG. 1B is a perspective view of FIG. 1A. It is a perspective view which shows another example of the adhesive film of this invention.
- (A)-(c) is a cross-sectional schematic diagram which shows an example of the manufacturing process of the preform of this invention. It is a cross-sectional schematic diagram which shows the shaping
- the preform of the present invention is a member comprising a dry fiber fabric and a fixing resin containing a thermosetting resin in a semi-cured state having tackiness at room temperature formed on the surface thereof, and a fiber-reinforced plastic molded body Used in the manufacture of
- the inner surface of the void inside the fiber fabric is not included in the surface of the dry fiber fabric.
- the fixing resin is preferably formed so as not to prevent the liquid thermosetting resin described later from impregnating the dry fiber fabric.
- the fixing resin is preferably formed in a dot shape or a web shape, and more preferably in a dot shape. Thereby, the impregnation with the liquid thermosetting resin is not prevented even in the area where the fixing resin is transferred.
- FIG. 2 an example of the manufacturing process of the preform of this invention is shown.
- the fixing resin 2 of the adhesive film 3 is brought into contact with one surface of the dry fiber fabric 4, and then the release film 1 is peeled off, whereby the dry fiber fabric 4 A preform 5a shown in FIG. 2B with the fixing resin 2 attached to one surface is obtained.
- the preform manufacturing method of the present invention it is preferable to include a transfer step of transferring the fixing resin to the dry fiber fabric. Furthermore, in the transfer process, an adhesive film comprising a release paper or a release film and a fixing resin (a semi-cured thermosetting resin having tackiness at room temperature) formed on the surface thereof is used as a dry fiber fabric. It is preferable that the fixing resin is transferred to the dry fiber fabric in close contact therewith.
- FIG. 2 (c) another preform 5a produced in the same manner is laminated on the preform 5a via the fixing resin 2, so that a plurality of preforms 5a are formed.
- a preform laminate 5b is obtained by laminating. In this way, by preparing the preform laminate in advance, it is not necessary to mold all the preforms 5a one by one on the mold.
- dry fiber fabric 4 examples include fabrics such as carbon fiber, glass fiber, Zylon fiber, and Kepler fiber. Carbon fiber and glass fiber are preferable.
- the adhesive film of the present invention includes a release paper or a release film, and a fixing resin (a semi-cured thermosetting resin having tackiness at room temperature) formed on the surface thereof.
- FIGS. 1A and 1B An example of the adhesive film of the present invention is shown in FIGS. 1A and 1B.
- 1A is a schematic sectional view
- FIG. 1B is a perspective view.
- the adhesive film 3 includes a release film 1 and a fixing resin 2 formed in a regular dot shape thereon (in a semi-cured state having tackiness at room temperature). Thermosetting resin).
- the fixing resin is not particularly limited as long as it is a semi-cured thermosetting resin having tackiness at room temperature, and is, for example, an epoxy resin, a polyimide resin, or a phenol resin, and preferably the same resin. It is a vinyl ester resin having both a (meth) acryloyl group and an epoxy group in the skeleton.
- the fixing resin may contain a pigment such as carbon black.
- the fixing resin may contain a trace amount of tackifier such as rosin ester. Moreover, you may use release paper etc. instead of the said release film.
- FIG. 1C shows another example of the adhesive film of the present invention.
- the fixing resin is formed in a regular dot shape as shown in FIG. 1C.
- An adhesive film can also be used.
- the fixing resin is preferably formed regularly so as to cover 0.05 to 5% of the area of the release paper or release film. If it is less than 0.05, it may fall against gravity, and if it exceeds 5%, impregnation of the resin is hindered.
- a preform can be produced simply by transferring the fixing resin to the dry fiber fabric, so that the fixing resin can be appropriately used in a necessary amount for a necessary portion.
- a method for producing a fiber reinforced plastic according to the present invention includes a plurality of preforms each including a dry fiber fabric and a fixing resin including a thermosetting resin in a semi-cured state having a tack property at room temperature formed on the surface thereof.
- a preform laminate is produced by laminating a plurality of preforms in consideration of the fiber orientation of the dry fiber fabric, and then the preform laminate is used as a mold.
- the method of fixing is mentioned.
- the preform laminate is formed in advance, it is not necessary to mold all the preforms one by one on the mold, and the fiber lamination operation can be shortened.
- wrinkles may occur in parts that are bent when being fixed to the mold, so it is possible to limit the thickness of such parts or not to partially form a fixing resin. It is preferable that wrinkles are not generated when the preform laminate is fixed (shaped) to the mold.
- Embodiment 2 of the laminated body forming step is a method of obtaining a preform laminated body finally fixed to the mold by sticking the preforms one by one to the mold, that is, fixing the preform.
- a preform laminate having an appropriate shape can be formed (formed and fixed) according to the shape of the mold.
- Embodiment 1 of the laminate forming process for example, a preform laminate prepared in advance is shaped and fixed to a mold, and the preform laminate fixed to the mold is used as a bag film or the like.
- FIG. 3 a molding die 6 whose surface is released with a Teflon (registered trademark) coating 7 is prepared, and the preform laminate 5 b is brought into contact with the molding die 6 through the fixing resin 2. Fix it. In this way, the dry fiber fabric 4 is fixed to the Teflon (registered trademark) coating 7 on the surface of the mold 6 by the fixing resin 2, and the position is not shifted by gravity.
- Teflon registered trademark
- the peel ply 8 and the flow media 9 are arranged on the preform laminate 5b, and the whole is covered with a bagging film 10 and sealed.
- Teflon (registered trademark) tubes 101a and 101b are provided at two end portions of the sealed space, plugged with valves, and the Teflon (registered trademark) tube 101a is connected to a vacuum pump. ) Connect the tube 101b to the resin tank.
- the vacuum pump is operated, and the space sealed with the bagging film 10 is decompressed.
- the valve of the Teflon (registered trademark) tube 101b on the resin tank side is opened, and the liquid thermosetting resin 11 is sucked into the decompressed sealed space.
- the liquid thermosetting resin 11 is impregnated in the dry fiber fabric 4 while spreading through the coarse flow media 9.
- the valve of the Teflon (registered trademark) tube 101b on the resin supply side is closed.
- the liquid thermosetting resin 11 is not particularly limited as long as it is a low-viscosity thermosetting resin such as an epoxy resin, a polyester resin, a vinyl ester resin, or a cyanate ester resin, but is preferably a vinyl ester resin.
- the curing conditions for the fixing resin are preferably not different from the curing conditions for the liquid thermosetting resin.
- the fixing resin is a vinyl ester resin having both a (meth) acryloyl group and an epoxy group in the same resin skeleton, and is a semi-cured resin in which only the epoxy group is reacted, and the above liquid thermosetting resin
- the fixing resin and the liquid thermosetting resin can be simultaneously cured in the curing step. Thereby, a manufacturing process can be skipped and there exists an advantage which can improve manufacturing efficiency.
- Step cure consists of a pre-stage process (Precure) and a post-process process (Aftercure, Postcure).
- Pre-cure is a pretreatment stage in the curing of the thermosetting resin, is cured to such an extent that the final strength is not obtained, and is mainly intended to form a stable shape.
- pre-curing is performed at a temperature slightly below the glass transition point.
- After-cure is a curing stage for obtaining the final strength, and is generally performed in an environment at a higher temperature and longer time than pre-cure.
- the fixing resin is completely cured during the after-curing of the liquid thermosetting resin. This is to prevent a decrease in strength due to uncured resin.
- Example 1 First, 100 parts by weight of vinyl ester resin (M-7000, Showa Polymer Co., Ltd.) having both (meth) acryloyl group and epoxy group in the resin skeleton, epoxy curing agent (Showa Polymer Co., Ltd., Light A solution was prepared by mixing 3 parts by weight of ester DM) and 1 part by weight of organic peroxide (manufactured by Showa Polymer Co., Ltd., 328E).
- a SUS plate (thickness 0.5 mm) in which a plurality of holes having a diameter of 300 ⁇ m are formed is overlaid on the PET film 1 having a release treatment of thickness 38 ⁇ m, and the mixed solution is further dropped thereon and printed with a squeegee Then, by removing the SUS plate, the mixed solution was interspersed on the PET film 1 to obtain an adhesive film 3 in which the dot-shaped fixing resin 2 as shown in FIGS. 1A and 1B was formed. . Then, it dried at 50 degreeC for 1 hour.
- the epoxy group of the vinyl ester resin reacts with the epoxy curing agent to increase the viscosity, but the (meth) acryloyl group is in an unreacted state because there is no catalyst such as a cobalt salt, and it has an appropriate tack.
- the adhesive film 3 is stacked on the carbon fiber fabric 4 (T300 carbon fiber plain weave cloth manufactured by Toray Industries, Inc.), and the fixing resin 2 is transferred onto the carbon fiber fabric 4.
- a preform 5a was obtained.
- the preform 5a was stacked on the preform 5a to obtain a preform laminate 5b.
- an L-shaped member of a mold 6 made of aluminum, thickness 3 mm
- a Teflon (registered trademark) coating 7 was formed.
- the preform laminate 5b was disposed in a portion perpendicular to the ground. At this time, the preform laminate 5b adheres with the fixing resin 2 and does not fall due to gravity.
- a peel ply 8 AirTech, BLEDER LEASE-B
- flow media 9 AirTech, GREEN FLOW 75
- tubes outer diameter: 9.52 mm, inner diameter: 6.35 mm
- Teflon Teflon (registered trademark, polytetrafluoroethylene)
- thermosetting resin 11 in which 0.2 part by weight of Akzo Corporation was mixed was prepared.
- the valve on the resin tank side is opened, and the liquid thermosetting resin 11 at room temperature is sucked into the decompressed sealed space, and the liquid thermosetting resin 11 is put on the Teflon (registered trademark) tube on the vacuum pump side. After reaching, the valve on the resin supply side was closed. Next, it was left to stand (precure) at 60 ° C. for 1 h.
- the liquid thermosetting resin 11 is gelled, and the (meth) acryloyl group of the fixing resin 2 reacts with the cobalt salt contained in the liquid thermosetting resin and gels.
- it was left at 120 ° C. for 1 h (aftercuring), and both the liquid thermosetting resin 11 and the fixing resin 2 were completely cured.
- separation was performed at the interface between the peel ply 8 and the fiber reinforced plastic, and at the interface between the mold 6 and the fiber reinforced plastic to obtain a fiber reinforced plastic.
- Example 2 A fiber reinforced plastic was produced in the same manner as in Example 1 except that an epoxy resin was used as the liquid thermosetting resin 11. The fiber reinforced plastic was obtained in the same processes and conditions as Example 1 except it.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Composite Materials (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Moulding By Coating Moulds (AREA)
- Reinforced Plastic Materials (AREA)
- Laminated Bodies (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
Description
本発明のプリフォームは、ドライ繊維織物と、その表面に形成された室温でタック性を有する半硬化状態の熱硬化性樹脂を含む固定用樹脂とを備えた部材であり、繊維強化プラスチック成形体の製造に用いられる。ここで、ドライ繊維織物の表面には、繊維織物内部の空隙における内表面は含まれない。
次に、プリフォームの製造方法について説明する。図2に、本発明のプリフォームの製造工程の一例を示す。まず、図2の(a)の状態から、ドライ繊維織物4の一方の表面に接着フィルム3の固定用樹脂2を接触させ、次に離型フィルム1を剥離することによって、ドライ繊維織物4の一方の表面に固定用樹脂2が付着した図2の(b)に示すプリフォーム5aを得る。
次に、上記プリフォームの製造方法に用いられる接着フィルムについて説明する。本発明の接着フィルムは、離型紙または離型フィルムと、その表面に形成された固定用樹脂(室温でタック性を有する半硬化状態の熱硬化性樹脂)とを備えている。
次に、繊維強化プラスチックの製造方法について説明する。本発明の繊維強化プラスチックの製造方法は、ドライ繊維織物と、その表面に形成された室温でタック性を有する半硬化状態の熱硬化性樹脂を含む固定用樹脂とを備えたプリフォームの複数枚を、上記固定用樹脂を介して積層し、成形型に固定されたプリフォーム積層体を形成する積層体形成工程と、上記成形型に固定されたプリフォーム積層体中の上記ドライ繊維織物に、液状の熱硬化性樹脂を含浸する含浸工程と、上記液状の熱硬化性樹脂および上記固定用樹脂を硬化させることにより繊維強化プラスチック成形体を形成する硬化工程と、上記成形型から上記繊維強化プラスチック成形体を脱型する脱型工程とをこの順で備えている。
まず、樹脂骨格中に(メタ)アクリロイル基とエポキシ基の両方を有するビニルエステル樹脂(昭和高分子株式会社製、M-7000)を100重量部、エポキシ硬化剤(昭和高分子株式会社製、ライトエステルDM)を3重量部、有機過酸化物(昭和高分子株式会社製、328E)を1重量部を混合した溶液を準備した。
液状の熱硬化性樹脂11としてエポキシ樹脂を用いたこと以外は、実施例1と同様にして、繊維強化プラスチックを製造した。それ以外は実施例1と同様の工程・条件で、繊維強化プラスチックが得られた。
Claims (14)
- ドライ繊維織物(4)と、その表面に形成された室温でタック性を有する半硬化状態の熱硬化性樹脂を含む固定用樹脂(2)とを備えたプリフォーム(5a)の複数枚を、前記固定用樹脂(2)を介して積層し、成形型(6)に固定されたプリフォーム積層体(5b)を形成する積層体形成工程と、
前記成形型(6)に固定されたプリフォーム積層体(5b)中の前記ドライ繊維織物(4)に、液状の熱硬化性樹脂(11)を含浸する含浸工程と、
前記液状の熱硬化性樹脂(11)および前記固定用樹脂(2)を硬化させることにより繊維強化プラスチック成形体を形成する硬化工程と、
前記成形型(6)から前記繊維強化プラスチック成形体を脱型する脱型工程とをこの順で備える、繊維強化プラスチック成形体の製造方法。 - 前記積層体形成工程において、前記プリフォーム(5a)の複数枚を、前記ドライ繊維織物(4)の繊維配向を考慮して積層することによりプリフォーム積層体(5b)を作製した後、該プリフォーム積層体(5b)を成形型(6)に固定する、請求項1に記載の繊維強化プラスチック成形体の製造方法。
- 前記積層体形成工程において、前記プリフォーム(5a)を前記固定用樹脂(2)を介して成形型(6)に固定した後、さらに、少なくとも1枚の前記プリフォーム(5a)を前記固定用樹脂(2)を介して積層する、請求項1に記載の繊維強化プラスチック成形体の製造方法。
- 前記固定用樹脂(2)は、同一樹脂骨格中に(メタ)アクリロイル基とエポキシ基の両方を有するビニルエステル樹脂であって、エポキシ基のみが反応した半硬化状態の樹脂であり、前記液状の熱硬化性樹脂(11)はビニルエステル樹脂であり、前記硬化工程において、前記固定用樹脂(2)と前記液状の熱硬化性樹脂(11)とを同時に硬化させる、請求項1に記載の繊維強化プラスチック成形体の製造方法。
- 前記硬化工程において、前記液状の熱硬化性樹脂(11)の硬化はステップキュアで行われ、前記液状の熱硬化性樹脂(11)のアフターキュア時に、前記固定用樹脂(2)が完全硬化される、請求項1に記載の繊維強化プラスチック成形体の製造方法。
- ドライ繊維織物(4)と、その表面に形成された室温でタック性を有する半硬化状態の熱硬化性樹脂を含む固定用樹脂(2)とを備えた、繊維強化プラスチック成形体の製造に用いられるプリフォーム。
- 前記固定用樹脂(2)が、規則的なドット状に形成された、請求項6に記載のプリフォーム。
- 請求項6に記載のプリフォームを製造する方法であって、前記ドライ繊維織物(4)に、前記固定用樹脂(2)を転写する転写工程を備える、プリフォームの製造方法。
- 前記転写工程において、離型紙または離型フィルムと、その表面に形成された室温でタック性を有する半硬化状態の熱硬化性樹脂を含む固定用樹脂(2)とを備えた接着フィルムを、前記ドライ繊維織物(4)に密着させて、前記ドライ繊維織物(4)に前記固定用樹脂(2)を転写する、請求項8に記載のプリフォームの製造方法。
- 離型紙または離型フィルムと、その表面に形成された室温でタック性を有する半硬化状態の熱硬化性樹脂を含む固定用樹脂(2)とを備えた、接着フィルム。
- 請求項9に記載のプリフォームの製造方法に用いられる、請求項10に記載の接着フィルム。
- 前記固定用樹脂(2)は、前記離型紙または離型フィルムの面積の0.05~5%を覆うように規則的に形成されている、請求項10に記載の接着フィルム。
- 前記固定用樹脂(2)は、規則的なドット状に形成されている、請求項10に記載の接着フィルム。
- 前記ドライ繊維織物(4)は、炭素繊維であり、前記固定用樹脂(2)は、カーボンブラックを含む請求項1に記載の繊維強化プラスチックの製造方法。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012544121A JP5611365B2 (ja) | 2010-11-19 | 2011-05-12 | 繊維強化プラスチック成形体の製造方法、プリフォームおよびその製造方法、ならびに、接着フィルム |
| US13/822,154 US9144942B2 (en) | 2010-11-19 | 2011-05-12 | Method for producing fiber-reinforced plastic molding, preform and method for producing same, and adhesive film |
| CN201180051210.8A CN103189188B (zh) | 2010-11-19 | 2011-05-12 | 纤维强化塑料成形体的制造方法、预成形件及其制造方法以及粘接膜 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-258618 | 2010-11-19 | ||
| JP2010258618 | 2010-11-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2012066805A1 true WO2012066805A1 (ja) | 2012-05-24 |
Family
ID=46083750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2011/060978 Ceased WO2012066805A1 (ja) | 2010-11-19 | 2011-05-12 | 繊維強化プラスチック成形体の製造方法、プリフォームおよびその製造方法、ならびに、接着フィルム |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US9144942B2 (ja) |
| JP (1) | JP5611365B2 (ja) |
| CN (1) | CN103189188B (ja) |
| WO (1) | WO2012066805A1 (ja) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013084552A1 (ja) * | 2011-12-06 | 2013-06-13 | 三菱電機株式会社 | プリフォームの製造方法および繊維強化プラスチック成形体の製造方法 |
| JP2015017149A (ja) * | 2013-07-09 | 2015-01-29 | 三菱電機株式会社 | 繊維強化プラスチック成形体用プリフォーム、その製造方法、繊維強化プラスチック成形体の製造方法及びエレベータ用アクティブローラーガイドカバーの製造方法 |
| WO2015079917A1 (ja) * | 2013-11-29 | 2015-06-04 | 東レ株式会社 | 強化繊維織物基材、プリフォームおよび繊維強化複合材料 |
| WO2017038697A1 (ja) * | 2015-08-31 | 2017-03-09 | 三菱レイヨン株式会社 | 強化繊維基材及びその製造方法、並びに賦形布帛及びその製造方法、並びに繊維強化プラスチック構造体 |
| JP2019535562A (ja) * | 2016-11-29 | 2019-12-12 | サイテック インダストリーズ インコーポレイテッド | 繊維予備成形物の自動製造 |
| JP2020105514A (ja) * | 2018-12-26 | 2020-07-09 | Kjケミカルズ株式会社 | 炭素材料を含有する積層体と複合体 |
| CN111886119A (zh) * | 2018-03-29 | 2020-11-03 | 东丽株式会社 | 纤维增强树脂的制造方法 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103397755A (zh) * | 2013-08-13 | 2013-11-20 | 李贺 | 一种建筑装饰材料预制体 |
| DE102015225467B4 (de) * | 2015-12-16 | 2019-12-19 | Airbus Defence and Space GmbH | Beschichtetes Verbundbauteil und Verfahren zum Herstellen eines beschichteten Verbundbauteils |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0216114A (ja) * | 1988-07-04 | 1990-01-19 | Kobe Steel Ltd | 炭素繊維強化プラスチック用樹脂組成物及び炭素繊維強化プラスチックの製造方法 |
| JPH09508082A (ja) * | 1994-10-28 | 1997-08-19 | ザ ダウ ケミカル カンパニー | 改良された樹脂トランスファー成形法 |
| JP2001524171A (ja) * | 1997-05-06 | 2001-11-27 | サイテク・テクノロジー・コーポレーシヨン | 成形法のための予備成形物およびそのための樹脂 |
| JP2002270708A (ja) * | 2001-03-12 | 2002-09-20 | Tomoegawa Paper Co Ltd | 電子部品封止用蓋材ウエハ及びその製造方法 |
| JP2005231044A (ja) * | 2004-02-17 | 2005-09-02 | Toray Ind Inc | 繊維強化プラスチック製品の製造方法 |
| JP2006256202A (ja) * | 2005-03-18 | 2006-09-28 | Toray Ind Inc | プリフォーム用基材およびその製造方法 |
| JP2007182661A (ja) * | 2005-12-09 | 2007-07-19 | Toray Ind Inc | 多軸成形材料、プリフォーム、frpおよびそれらの製造方法 |
| JP2008110539A (ja) * | 2006-10-31 | 2008-05-15 | Jamco Corp | 構造部材の連続製造方法 |
| JP2009545686A (ja) * | 2006-08-04 | 2009-12-24 | スリーエム イノベイティブ プロパティズ カンパニー | タイルユニット、タイル接着用シート及びタイル施工方法 |
| JP2010037694A (ja) * | 2008-08-07 | 2010-02-18 | Toray Ind Inc | 強化繊維基材、積層体および複合材料 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6083826A (ja) | 1983-10-14 | 1985-05-13 | Mitsubishi Electric Corp | Frpレド−ムの製造方法 |
| JPS62184011A (ja) * | 1986-02-10 | 1987-08-12 | Showa Highpolymer Co Ltd | 硬化可能な樹脂の製造方法 |
| FR2638390B1 (fr) * | 1988-10-28 | 1991-03-22 | Brochier Sa | Structures textiles ayant une aptitude amelioree a la mise en oeuvre comme renforts pour materiaux composites et leur obtention |
| US5427725A (en) * | 1993-05-07 | 1995-06-27 | The Dow Chemical Company | Process for resin transfer molding and preform used in the process |
| US7413694B2 (en) * | 1999-12-07 | 2008-08-19 | The Boeing Company | Double bag vacuum infusion process |
| US7622174B2 (en) * | 2001-10-26 | 2009-11-24 | 3M Innovative Properties Company | Tape sheet pads and dispenser and method of dispensing individual tape sheets from such pads |
| JP4304948B2 (ja) | 2002-09-27 | 2009-07-29 | 東レ株式会社 | 強化繊維基材、プリフォームおよびそれよりなる繊維強化樹脂成形体ならびに繊維強化樹脂成形体の製造方法 |
| JP4232489B2 (ja) | 2003-03-10 | 2009-03-04 | 東レ株式会社 | バインダー組成物、強化繊維基材、プリフォームおよび繊維強化複合材料の製造方法 |
| US8546486B2 (en) * | 2007-09-18 | 2013-10-01 | Ccp Composites Us Llc | Low VOC thermosetting polyester acrylic resin for gel coat |
-
2011
- 2011-05-12 JP JP2012544121A patent/JP5611365B2/ja not_active Expired - Fee Related
- 2011-05-12 WO PCT/JP2011/060978 patent/WO2012066805A1/ja not_active Ceased
- 2011-05-12 US US13/822,154 patent/US9144942B2/en not_active Expired - Fee Related
- 2011-05-12 CN CN201180051210.8A patent/CN103189188B/zh not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0216114A (ja) * | 1988-07-04 | 1990-01-19 | Kobe Steel Ltd | 炭素繊維強化プラスチック用樹脂組成物及び炭素繊維強化プラスチックの製造方法 |
| JPH09508082A (ja) * | 1994-10-28 | 1997-08-19 | ザ ダウ ケミカル カンパニー | 改良された樹脂トランスファー成形法 |
| JP2001524171A (ja) * | 1997-05-06 | 2001-11-27 | サイテク・テクノロジー・コーポレーシヨン | 成形法のための予備成形物およびそのための樹脂 |
| JP2002270708A (ja) * | 2001-03-12 | 2002-09-20 | Tomoegawa Paper Co Ltd | 電子部品封止用蓋材ウエハ及びその製造方法 |
| JP2005231044A (ja) * | 2004-02-17 | 2005-09-02 | Toray Ind Inc | 繊維強化プラスチック製品の製造方法 |
| JP2006256202A (ja) * | 2005-03-18 | 2006-09-28 | Toray Ind Inc | プリフォーム用基材およびその製造方法 |
| JP2007182661A (ja) * | 2005-12-09 | 2007-07-19 | Toray Ind Inc | 多軸成形材料、プリフォーム、frpおよびそれらの製造方法 |
| JP2009545686A (ja) * | 2006-08-04 | 2009-12-24 | スリーエム イノベイティブ プロパティズ カンパニー | タイルユニット、タイル接着用シート及びタイル施工方法 |
| JP2008110539A (ja) * | 2006-10-31 | 2008-05-15 | Jamco Corp | 構造部材の連続製造方法 |
| JP2010037694A (ja) * | 2008-08-07 | 2010-02-18 | Toray Ind Inc | 強化繊維基材、積層体および複合材料 |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10099460B2 (en) | 2011-12-06 | 2018-10-16 | Mitsubishi Electric Corporation | Method for producing preform and method for producing fiber-reinforced plastic molding |
| JPWO2013084552A1 (ja) * | 2011-12-06 | 2015-04-27 | 三菱電機株式会社 | プリフォームの製造方法および繊維強化プラスチック成形体の製造方法 |
| WO2013084552A1 (ja) * | 2011-12-06 | 2013-06-13 | 三菱電機株式会社 | プリフォームの製造方法および繊維強化プラスチック成形体の製造方法 |
| JP2015017149A (ja) * | 2013-07-09 | 2015-01-29 | 三菱電機株式会社 | 繊維強化プラスチック成形体用プリフォーム、その製造方法、繊維強化プラスチック成形体の製造方法及びエレベータ用アクティブローラーガイドカバーの製造方法 |
| WO2015079917A1 (ja) * | 2013-11-29 | 2015-06-04 | 東レ株式会社 | 強化繊維織物基材、プリフォームおよび繊維強化複合材料 |
| US10400077B2 (en) | 2013-11-29 | 2019-09-03 | Toray Industries, Inc. | Reinforcing fiber fabric substrate, preform, and fiber-reinforced composite material |
| JPWO2017038697A1 (ja) * | 2015-08-31 | 2017-08-31 | 三菱ケミカル株式会社 | 強化繊維基材及びその製造方法、並びに賦形布帛及びその製造方法、並びに繊維強化プラスチック構造体 |
| WO2017038697A1 (ja) * | 2015-08-31 | 2017-03-09 | 三菱レイヨン株式会社 | 強化繊維基材及びその製造方法、並びに賦形布帛及びその製造方法、並びに繊維強化プラスチック構造体 |
| JP2019535562A (ja) * | 2016-11-29 | 2019-12-12 | サイテック インダストリーズ インコーポレイテッド | 繊維予備成形物の自動製造 |
| JP7025425B2 (ja) | 2016-11-29 | 2022-02-24 | サイテック インダストリーズ インコーポレイテッド | 繊維予備成形物の自動製造 |
| CN111886119A (zh) * | 2018-03-29 | 2020-11-03 | 东丽株式会社 | 纤维增强树脂的制造方法 |
| JP2020105514A (ja) * | 2018-12-26 | 2020-07-09 | Kjケミカルズ株式会社 | 炭素材料を含有する積層体と複合体 |
| JP7428985B2 (ja) | 2018-12-26 | 2024-02-07 | Kjケミカルズ株式会社 | 炭素材料を含有する積層体と複合体 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20130177727A1 (en) | 2013-07-11 |
| CN103189188B (zh) | 2015-09-09 |
| US9144942B2 (en) | 2015-09-29 |
| CN103189188A (zh) | 2013-07-03 |
| JP5611365B2 (ja) | 2014-10-22 |
| JPWO2012066805A1 (ja) | 2014-05-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5611365B2 (ja) | 繊維強化プラスチック成形体の製造方法、プリフォームおよびその製造方法、ならびに、接着フィルム | |
| JP5646089B2 (ja) | プリフォームの製造方法および繊維強化プラスチック成形体の製造方法 | |
| CN100406239C (zh) | 树脂传递模塑成形法 | |
| RU2635623C2 (ru) | Способ формирования формованной заготовки | |
| CN103687707A (zh) | 纤维强化树脂和轻量化芯的复合材料、制造该复合材料的方法以及装置 | |
| US20050227560A1 (en) | Flexible carbon-fiber laminates | |
| JP2019194015A5 (ja) | ||
| JP6040547B2 (ja) | 繊維強化プラスチックの製造方法 | |
| JP2004276355A (ja) | プリフォームおよびそのプリフォームを用いた繊維強化樹脂複合体の製造方法 | |
| JPWO2017068812A1 (ja) | 繊維強化樹脂構造物の製造方法、繊維強化樹脂構造物の製造システム及び繊維強化樹脂構造物 | |
| JP2002248620A (ja) | 繊維強化プラスチック成形用基材および繊維強化プラスチックの成形方法 | |
| JP6037335B2 (ja) | 繊維強化プラスチック成形体用プリフォームの製造方法、繊維強化プラスチック成形体の製造方法及びエレベータ用アクティブローラーガイドカバーの製造方法 | |
| JP2002248694A (ja) | 繊維強化複合材料の成形方法 | |
| EP1775109B1 (en) | Composite moulding method and apparatus with a vacuum bag | |
| WO2023062870A1 (ja) | 金属-プリプレグ複合体 | |
| KR101445571B1 (ko) | 자외선 경화형 수지 조성물을 이용한 핸드레이업 성형방법 | |
| JP2008068553A (ja) | Rtm成形方法、および、rtm成形方法用プリフォーム。 | |
| JP5558323B2 (ja) | 繊維強化プラスチック、その製造方法 | |
| JP2012040689A (ja) | 繊維強化複合材料の製造方法 | |
| JP4967815B2 (ja) | 積層体及びその製造方法 | |
| US20030051434A1 (en) | Composite structure and method for constructing same | |
| JP2012006337A (ja) | 繊維強化複合材の製造方法 | |
| JP2010131846A (ja) | 繊維強化プラスチックの製造方法 | |
| JP2006130731A (ja) | 繊維強化樹脂成形物の製造方法 | |
| JP4967814B2 (ja) | 積層体及びその製造方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 11841740 Country of ref document: EP Kind code of ref document: A1 |
|
| ENP | Entry into the national phase |
Ref document number: 2012544121 Country of ref document: JP Kind code of ref document: A |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 13822154 Country of ref document: US |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 11841740 Country of ref document: EP Kind code of ref document: A1 |