Classifications

• • 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
  • 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
  • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
  • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
  • B29C48/07—Flat, e.g. panels
  • B29C48/08—Flat, e.g. panels flexible, e.g. films
• • 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
  • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
  • B29C48/25—Component parts, details or accessories; Auxiliary operations
  • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
  • B29C48/911—Cooling
  • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
  • B29C48/914—Cooling drums
• • 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
  • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
  • B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
• • 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
  • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
  • B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
• • 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
  • B32B27/00—Layered products comprising a layer of synthetic resin
  • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
• • 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
  • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
• • 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
  • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
  • B32B7/04—Interconnection of layers
  • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
• • 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
  • C09J7/20—Adhesives in the form of films or foils characterised by their carriers
  • C09J7/29—Laminated 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
  • B29C2948/00—Indexing scheme relating to extrusion moulding
  • B29C2948/92—Measuring, controlling or regulating
  • B29C2948/92009—Measured parameter
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  • B29C2948/92152—Thickness
• • 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
  • B29C2948/00—Indexing scheme relating to extrusion moulding
  • B29C2948/92—Measuring, controlling or regulating
  • B29C2948/92323—Location or phase of measurement
  • B29C2948/92447—Moulded article
• • 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
  • B29C2948/00—Indexing scheme relating to extrusion moulding
  • B29C2948/92—Measuring, controlling or regulating
  • B29C2948/92504—Controlled parameter
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  • B29C2948/92647—Thickness
• • 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
  • B29C2948/00—Indexing scheme relating to extrusion moulding
  • B29C2948/92—Measuring, controlling or regulating
  • B29C2948/92819—Location or phase of control
  • B29C2948/92942—Moulded article
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
  • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
  • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
  • B29K2023/04—Polymers of ethylene
  • B29K2023/08—Copolymers of ethylene
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
  • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
  • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
  • B29K2023/04—Polymers of ethylene
  • B29K2023/08—Copolymers of ethylene
  • B29K2023/083—EVA, i.e. ethylene vinyl acetate copolymer
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
  • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
  • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
  • B29K2023/10—Polymers of propylene
  • B29K2023/12—PP, i.e. polypropylene
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
  • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
  • B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
  • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
  • B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
  • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
  • B29K2077/00—Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as moulding material
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
  • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
  • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
  • B29K2105/0058—Liquid or visquous
  • B29K2105/0073—Solution
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
  • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
  • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
  • B29K2105/0097—Glues or adhesives, e.g. hot melts or thermofusible adhesives
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
  • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
  • B29L2007/00—Flat articles, e.g. films or sheets
  • B29L2007/008—Wide strips, e.g. films, webs
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
  • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
  • B29L2009/00—Layered products
• • 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
  • B32B2307/00—Properties of the layers or laminate
  • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
  • B32B2307/514—Oriented
  • B32B2307/518—Oriented bi-axially
• • 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
  • C09J2301/00—Additional features of adhesives in the form of films or foils
  • C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
  • C09J2301/16—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer
  • C09J2301/162—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer the carrier being a laminate constituted by plastic layers only
• • 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
  • C09J2301/00—Additional features of adhesives in the form of films or foils
  • C09J2301/20—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself
  • C09J2301/208—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself the adhesive layer being constituted by at least two or more adjacent or superposed adhesive layers, e.g. multilayer adhesive
• • 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
  • C09J2301/00—Additional features of adhesives in the form of films or foils
  • C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
  • C09J2301/414—Additional features of adhesives in the form of films or foils characterized by the presence of essential components presence of a copolymer
• • 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
  • C09J2423/00—Presence of polyolefin
  • C09J2423/04—Presence of homo or copolymers of ethene
• • 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
  • C09J2423/00—Presence of polyolefin
  • C09J2423/10—Presence of homo or copolymers of propene
  • C09J2423/106—Presence of homo or copolymers of propene in the substrate
• • 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
  • C09J2431/00—Presence of polyvinyl acetate
• • 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
  • C09J2433/00—Presence of (meth)acrylic polymer
• • 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
  • C09J2467/00—Presence of polyester
  • C09J2467/006—Presence of polyester in the substrate
• • 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
  • C09J2477/00—Presence of polyamide
  • C09J2477/006—Presence of polyamide in the substrate
• • 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
  • C09J2479/00—Presence of polyamine or polyimide
  • C09J2479/02—Presence of polyamine or polyimide polyamine
  • C09J2479/026—Presence of polyamine or polyimide polyamine in the substrate

Definitions

• the present invention relates to the field of printing technology, and in particular to a precoat film, and more particularly to a biaxially stretched tackifying precoat film. Background technique
• the laminating process can not only protect the printed matter, prolong its service life, but also improve the appearance of the printed matter. It is widely used in books, food, tobacco, alcohol, medicine and other packaging.
• the coating process is divided into a coating film coating process and a precoat film coating process, wherein the precoat film coating process has environmental protection, high safety, convenient operation, high efficiency, energy saving and performance compared with the instant coating film coating process. Excellent and so on.
• Paper publications, packaging materials and other printed materials have good visual effects and bright colors after pre-coated film coating.
• domestic pre-coated film products are common EVA type or EVA type mixed EAA type pre-coated film, for low-speed manual
• EVA type or EVA type mixed EAA type pre-coated film for low-speed manual
• the coating process and the products that do not need to be rolled and embossed the ordinary pre-coated film can meet the requirements.
• the ordinary pre-coated film can not meet the requirements, and the quality problems such as foaming, delamination and poor bonding are exhibited.
• the present invention aims to solve at least one of the technical problems existing in the prior art.
• the present invention provides a biaxially stretched tackifying precoat film which has the advantages of simple structure, convenient fabrication, and high bonding performance.
• a biaxially stretched tackifying precoat film comprising: a substrate; an intermediate layer, the intermediate layer is disposed on the substrate; a hot melt adhesive layer, the hot melt adhesive layer is disposed on And the adhesion-promoting layer is disposed on the hot-melt adhesive layer.
• the adhesion between the precoat film and the printed matter can be improved, whereby the adhesion of the precoat film is far greater.
• it is suitable for printing products that have post-treatment requirements, low surface wetting tension, and are difficult to coat at high speeds.
• the substrate is a biaxially stretched film
• the intermediate layer is made of polyethyleneimine
• the hot melt adhesive layer is made of copolymerized polyethylene
• the thickened layer is made of water containing auxiliary components.
• Polyurethane emulsion is a biaxially stretched film
• the intermediate layer is made of polyethyleneimine
• the hot melt adhesive layer is made of copolymerized polyethylene
• the thickened layer is made of water containing auxiliary components.
• the substrate is a biaxially oriented polyester film or a biaxially stretched nylon film or a bidirectional A polypropylene film is stretched.
• the hot melt adhesive layer is an ethylene-vinyl acetate copolymer, an ethylene-ethyl acrylate copolymer, an ethylene-acrylic acid copolymer, an ethylene-methyl acrylate copolymer or a low density polyethylene.
• the adhesion-promoting layer is a mixture of the polyurethane emulsion having a solid content of 5% to 50% and the auxiliary component having a solid content of 0.1% to 10%, wherein the auxiliary component comprises a stream.
• Flat agent, adhesion promoter
• the polyurethane emulsion has a solid content of 10% to 30%, and the auxiliary component has a solid content of 1% to 5%.
• the substrate has a thickness of 10 to 30 ⁇ m
• the intermediate layer has a thickness of 0.01 to 0.03 ⁇ m
• the hot melt adhesive layer has a thickness of 10 to 35 m.
• the thickness of the adhesion-promoting layer is 0.1 to 0.5 m
• the dry weight of the adhesion-promoting layer is 0.05 to 0.5 g/m 2 .
• the substrate has a thickness of 12 to 20 ⁇ m
• the intermediate layer has a thickness of 0.01 to 0.02 rn
• the hot melt adhesive layer has a thickness of 12 to 25 m.
• the thickness of the adhesive layer is 0.2 to 0.4 m
• the dry weight of the adhesion-promoting layer is 0.1 to 0.3 g/m 2 .
• the intermediate layer is a coated polyethyleneimine aqueous solution having a solid content of 0.4% to 1.5%, and the polyethyleneimine has the formula: (CH2CH2NH) n, wherein the n value is according to polymerization.
• the average molecular weight of the substance is selected in the range of 1000 to 10,000.
• the pre-coated film according to the embodiment of the present invention has a large adhesive force, so that the embossing and the tying of the pre-coated film can be perfectly realized to meet the laminating requirements of the customers.
• the polyurethane emulsion is used as an adhesion-promoting layer, which can penetrate into the ink layer of the printed matter, and can have good adhesion with various inks, and has ultra-high adhesion characteristics to the printed matter.
• the pre-coated film has The utility model has the advantages of simple structure, convenient manufacture and high bonding performance.
• the invention also proposes a method for producing a biaxially stretched tackifying precoat film, comprising the following steps:
• the side of the substrate to be coated with the intermediate layer is corona treated, so that the surface of the substrate has a cause value of 36-54;
• FIG. 1 is a schematic view of a biaxially stretched tackifying precoat film according to an embodiment of the present invention
• FIG. 2 is a schematic view showing the structure of a production system of a biaxially stretched tackifying precoat film according to an embodiment of the present invention.
• I unwinding machine; 2, corona processor; 3, the first coating roller; 4, the first coating tank;
• first and second are used for descriptive purposes only, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defining “first”, “second” may explicitly or implicitly include one or more of the features. Further, in the description of the present invention, “multiple” means two or more unless otherwise stated.
• a biaxially stretched tackifying precoat film comprises a substrate 01, an intermediate layer 02 disposed on the substrate 01, and a hot melt adhesive layer disposed on the intermediate layer 02. 03, and an adhesion promoting layer 04 provided on the hot melt adhesive layer 03.
• the substrate 01 may be a biaxially oriented polyester film or a biaxially oriented nylon film or a biaxially oriented polypropylene film.
• the adhesion promoting layer 04 on the side of the hot melt adhesive layer 03, the adhesion between the precoat film and the printed matter can be improved.
• the adhesion of the pre-coated film is much larger than that of the conventional pre-coated film, and is suitable for printing products which have the requirements of a post-treatment process, have a low surface wetting tension, and are difficult to coat at a high speed.
• the substrate 01 is a biaxially oriented film
• the intermediate layer 02 is made of polyethyleneimine (PEI)
• the hot melt adhesive layer 03 is made of copolymerized polyethylene
• the adhesion layer 04 is selected to contain auxiliary components. Waterborne polyurethane emulsion.
• Such a pre-coating film is a novel pre-coating film, and because of its large adhesive force, the embossing, tying and the like embossing process after the pre-coating film coating is perfectly realized, satisfying the majority
• the customer's film coating needs, at the same time, polyurethane emulsion as the adhesion layer 04, which can penetrate into the ink layer of the printed matter, and can have good adhesion with a variety of inks, and has ultra-high adhesion characteristics to the printed matter.
• the hot melt adhesive layer 03 is an ethylene-vinyl acetate copolymer, an ethylene-ethyl acrylate copolymer, an ethylene-acrylic acid copolymer, an ethylene-methyl acrylate copolymer or a low density polyethylene. .
• the adhesion promoting layer 04 is a mixture of the polyurethane emulsion having a solid content of 5% to 50% and the auxiliary component having a solid content of 0.1% to 10%, the auxiliary component including leveling. Agent, adhesion promoter.
• the polyurethane emulsion has a solid content of 10% to 30%, and the auxiliary component is contained in an amount of 1% to 5%.
• the substrate 01 has a thickness of 12 to 20 m, and the thickness of the intermediate layer 02 is
• the thickness of the hot-melt adhesive layer 03 is 12 to 25 ⁇ m
• the thickness of the adhesion-promoting layer 04 is 0.2 to 0.4 ⁇ m
• the dry weight of the adhesion-promoting layer 04 is 0.1 to 0.3 g/m. 2
• the intermediate layer 02 is a coated polyethyleneimine aqueous solution having a solid content of 0.4% to 1.5%, and the molecular formula of the polyethyleneimine: (CH2CH2NH) n, according to the average molecular weight of the polymer is 1000 ⁇ 10000 The range of values is chosen to be n.
• the precoat film according to the embodiment of the present invention will be described in detail below by taking a biaxially oriented polyester film (BOPET) tackified precoat film having a width of 1600 mm as an example.
• BOPET biaxially oriented polyester film
• the biaxially stretched polyester film (BOPET) tackified precoat film is composed of a substrate 01, an intermediate layer 02, a hot melt adhesive layer 03, and an adhesion promoting layer 04, a substrate 01, an intermediate layer 02, and a heat.
• the melt layer 03 and the adhesion promoting layer 04 have the same width.
• the substrate 01 is made of biaxially oriented polyester film (BOPET) with a width of 1620 mm and a thickness of 12 m;
• the intermediate layer 02 is made of polyethyleneimine (PEI), and its coated solid content is 1.2%, and the width of the coating is It is 1620 mm, the thickness is 0.015 ⁇ m, and the coating amount is between 0.009 and 0.01 g/m 2 ;
• the adhesion-promoting layer 04 uses a polyurethane emulsion having a solid content of 5% to 50% and an auxiliary component having a solid content of 0.1% to 10%.
• the mixture, the auxiliary component includes a leveling agent, an adhesion promoter, etc.
• the thickness of the adhesion-promoting layer is 0.3 m
• the coating dry weight of the adhesion-promoting layer 04 is between 0.05 and 0.5 g/m 2 .
• a method for producing a biaxially stretched polyester film (BOPET) tackified precoat film according to an embodiment of the present invention, as shown in FIG. 2, includes the following steps:
• Step a unwinding the substrate layer:
• a biaxially stretched polyester film ( ⁇ ) having a thickness of 12 m is placed on the unwinder 1 and unwound through an inflation shaft to unfold it;
• Step b corona treatment of the substrate:
• the unrolled biaxially oriented polyester film (BOPET) substrate is fed into the corona processor 2, and one side of the intermediate layer to be coated is subjected to corona treatment so that the surface cause value thereof is 54;
• Step C coating the middle layer:
• the corona-treated biaxially stretched polyester film (BOPET) substrate from the corona processor 2 enters the first coating roll 3, and the first coating roll 3 is placed in the first coating tank 4.
• a polyethyleneimine (PEI) aqueous solution is coated on the corona-treated surface of the substrate to bond the polyethyleneimine (PEI) intermediate layer to the biaxially oriented polyester film (BOPET) substrate, and then the bonded film enters Drying channel 5 is subjected to drying treatment, and the thickness of the intermediate layer after drying is 0.015 ⁇ m, and the coating amount is between 0.009 and 0.01 g/m 2 ;
• Extruder 7 of the extrusion compound line Extrusion of ethylene-vinyl acetate (EVA) copolymer hot melt adhesive
• an ozone generator (not shown) is installed at the compound station of the production line, and ozone is generated by the ozone generator.
• spraying through the ozone tube 12 to the casting of the extruded hot melt adhesive, and the bonding roller 6 of the production line transports the dried biaxially stretched polyester film (BOPET) film combined with polyethyleneimine to the composite.
• BOPET biaxially stretched polyester film
• the working place, and the hot melt adhesive cast to the composite station part is pressed and combined by the engaging roller 6 to form a composite film, which is then cooled by a cooling roll 8 (temperature is 20 ° C), and the thickness of the hot melt adhesive layer is 13 ⁇ ;
• Step e coating the adhesion layer:
• the film conveyed from the cooling roll 8 enters the second coating roll 9, and the second coating roll 9 will have a solid content of 5% to 50% of the polyurethane emulsion placed in the second coating tank 10 and the content is 0.1% ⁇ 10% of the auxiliary component mixture is coated on the surface of the hot melt adhesive layer of the film to be combined with the film, and then the combined film enters the drying channel 5 for drying, and the thickness of the tackified layer after drying is 0.3 m.
• the adhesion-promoting layer has a coating dry weight of between 0.05 and 0.5 g/m 2 , and the auxiliary component in the adhesion-promoting layer comprises a leveling agent, an adhesion promoter, and the like;
• Step f finished product winding:
• the processed pre-coated film is wound by the winder 11, and the edges of the rolled pre-coated film are collectively cut 20 mm, and the final product width is 1600 mm, the thickness is 25.4 m, and the thickness deviation is 2 m.
• Embodiment 2 :
• precoat film according to the embodiment of the present invention will be described in detail below by taking a biaxially oriented polypropylene film (BOPP) thickened precoat film having a width of 1600 mm as an example:
• BOPP biaxially oriented polypropylene film
• the biaxially oriented polypropylene film (BOPP) tackifying precoat film is composed of a substrate 01, an intermediate layer 02, a hot melt adhesive layer 03, and an adhesion promoting layer 04, a substrate 01, an intermediate layer 02, and a heat.
• the melt layer 03 and the adhesion promoting layer 04 have the same width.
• the substrate 01 is a biaxially oriented polypropylene film (BOPP) having a width of 1620 mm and a thickness of 20 m;
• the intermediate layer 02 is made of polyethyleneimine (PEI), and the coating has a solid content of 0.8% and a coating width. It is 1620 mm, the thickness is 0.01 ⁇ m, and the coating amount is between 0.009 and 0.01 g/m 2 ;
• the hot melt adhesive layer 03 is an ethylene-methyl acrylate (EMA) copolymer having a composite width of 1620 mm and a thickness of 20 ⁇ m.
• EMA ethylene-methyl acrylate
• the adhesion-promoting layer 04 is a mixture of a polyurethane emulsion having a solid content of 5% to 50% and an auxiliary component having a content of 0.1% to 10%, and the auxiliary component includes a leveling agent, an adhesion promoter, etc., and the thickness of the adhesion-promoting layer is 0.5 m, the coating dry weight of the adhesion promoting layer 04 is between 0.05 and 0.5 g/m 2 .
• the finished precoated film has a thickness of about 40.5 ⁇ m.
• the production method of the biaxially oriented polypropylene film (BOPP) thickened precoat film, as shown in Fig. 2, includes the following steps:
• Step a unwinding the substrate layer:
• a biaxially oriented polypropylene film (BOPP) having a thickness of 20 ⁇ m is placed on the unwinder 1 and unwound through an inflation shaft to unfold it;
• Step b corona treatment of the substrate:
• the unrolled biaxially oriented polypropylene film (BOPP) substrate is fed into the corona processor 2, and one side of the intermediate layer to be coated is subjected to corona treatment so that its surface dyne value is 36;
• Step c coating the middle layer:
• An aqueous solution of polyethyleneimine (PEI) is coated on the corona-treated surface of the substrate to bond the polyethyleneimine (PEI) intermediate layer to the biaxially oriented polypropylene film (BOPP) substrate, and then the composite film enters Drying channel 5 is subjected to drying treatment, and the thickness of the intermediate layer after drying is 0.01 ⁇ m, and the coating amount is between 0.009 and 0.01 g/m 2 ;
• the extruder 7 of the extrusion compounding line extrudes the ethylene-methyl acrylate (EMA) copolymer hot melt adhesive
• an ozone generator is arranged at the compound station of the production line, and ozone is generated by the ozone generator and sprayed through the ozone tube 12 Blowing to the casting of the extruded hot melt adhesive, while the intermeshing roller 6 of the production line transports the already dried polyethyleneimine-coated biaxially oriented polypropylene film (BOPP) film to the composite station, and the flow
• the hot melt adhesive which is extended to the composite station is pressed and joined by the engaging roller 6 to form a composite film, which is then cooled by a cooling roller 8 (temperature is 20 ° C), and the thickness of the hot melt adhesive layer is 20 ⁇ m;
• Step e coating the adhesion layer:
• the film conveyed from the cooling roll 8 enters the second coating roll 9, and the second coating roll 9 will have a solid content of 5% to 50% of the polyurethane emulsion placed in the second coating tank 10 and the content is 0.1% ⁇ 10% of the auxiliary component mixture is coated on the surface of the hot melt adhesive layer of the film to be combined with the film, and then the composite film is dried into the drying channel 5, and the thickness of the thickened layer after drying is 0.5 m.
• the adhesion-promoting layer has a coating dry weight of 0.05 to 0.5 g/n, and the auxiliary component in the adhesion-promoting layer includes a leveling agent, an adhesion promoter, and the like;
• Step f finished product winding:
• the processed pre-coated film is wound by the winder 11 and the edges of the rolled pre-coated film are cut and cut 20 mm, and the final product width is 1600 mm, the thickness is 40.5 m, and the thickness deviation is 2 m.
• the adhesion between the precoat film and the printed matter can be improved, whereby the adhesion of the precoat film is far greater.
• the precoat film according to the present invention has a large adhesive force, the embossing process such as embossing and twisting after the precoating film is completely realized, and the coating demand of the customers is satisfied, and at the same time, the polyurethane is used.
• the emulsion can penetrate into the ink layer of the printed matter, and can have good adhesion with a variety of inks, and has ultra-high adhesion characteristics to the printed matter.
• the pre-coated film has a simple structure. , easy to manufacture, high bonding performance.

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• 2012
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