LAMINATE, PACKAGING BAG, AND PRODUCTION METHOD FOR LAMINATE
A laminate comprising a first film, an adhesive layer, and a second film in this order, wherein: the first film and the second film are laminated with the adhesive layer therebetween, and at least one of the first film and the second film has a gas barrier layer; the adhesive layer is a cured produc...
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Format | Patent |
Language | English French Japanese |
Published |
07.03.2024
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Abstract | A laminate comprising a first film, an adhesive layer, and a second film in this order, wherein: the first film and the second film are laminated with the adhesive layer therebetween, and at least one of the first film and the second film has a gas barrier layer; the adhesive layer is a cured product of a solvent-free two-part curable polyurethane adhesive; and the area ratio of air bubbles based on the area of the adhesive layer is less than or equal to 4% when observing the adhesive layer from the laminating direction of the laminate.
L'invention concerne un stratifié comprenant un premier film, une couche adhésive et un second film dans cet ordre, le premier film et le second film étant stratifiés avec la couche adhésive entre eux et le premier film et/ou le second film ayant une couche barrière aux gaz ; la couche adhésive est un produit durci d'un adhésif de polyuréthane durcissable en deux parties sans solvant ; et le rapport de surface de bulles d'air sur la base de la zone de la couche adhésive est inférieur ou égal à 4 % lors de l'observation de la couche adhésive à partir de la direction de stratification du stratifié.
第一のフィルム、接着剤層、及び第二のフィルムをこの順に備える積層体であって、第一のフィルム及び第二のフィルムが、接着剤層を介して積層されており、第一のフィルム及び第二のフィルムの少なくとも一方が、ガスバリア層を有しており、接着剤層が、無溶剤型の2液硬化型ポリウレタン系接着剤の硬化物であり、積層体の積層方向から接着剤層を観察した際の、接着剤層の面積を基準とする気泡の面積比率が4%以下である、積層体。 |
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AbstractList | A laminate comprising a first film, an adhesive layer, and a second film in this order, wherein: the first film and the second film are laminated with the adhesive layer therebetween, and at least one of the first film and the second film has a gas barrier layer; the adhesive layer is a cured product of a solvent-free two-part curable polyurethane adhesive; and the area ratio of air bubbles based on the area of the adhesive layer is less than or equal to 4% when observing the adhesive layer from the laminating direction of the laminate.
L'invention concerne un stratifié comprenant un premier film, une couche adhésive et un second film dans cet ordre, le premier film et le second film étant stratifiés avec la couche adhésive entre eux et le premier film et/ou le second film ayant une couche barrière aux gaz ; la couche adhésive est un produit durci d'un adhésif de polyuréthane durcissable en deux parties sans solvant ; et le rapport de surface de bulles d'air sur la base de la zone de la couche adhésive est inférieur ou égal à 4 % lors de l'observation de la couche adhésive à partir de la direction de stratification du stratifié.
第一のフィルム、接着剤層、及び第二のフィルムをこの順に備える積層体であって、第一のフィルム及び第二のフィルムが、接着剤層を介して積層されており、第一のフィルム及び第二のフィルムの少なくとも一方が、ガスバリア層を有しており、接着剤層が、無溶剤型の2液硬化型ポリウレタン系接着剤の硬化物であり、積層体の積層方向から接着剤層を観察した際の、接着剤層の面積を基準とする気泡の面積比率が4%以下である、積層体。 |
Author | KUDO Shigeki ARITA Takeshi FUKUNAGA Godai MASUKO Tatsuya |
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DocumentTitleAlternate | STRATIFIÉ, SAC D'EMBALLAGE ET PROCÉDÉ DE PRODUCTION DE STRATIFIÉ 積層体、包装袋、及び積層体の製造方法 |
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Snippet | A laminate comprising a first film, an adhesive layer, and a second film in this order, wherein: the first film and the second film are laminated with the... |
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SubjectTerms | ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING DYES HANDLING THIN OR FILAMENTARY MATERIAL LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL PACKAGES PACKAGING ELEMENTS PACKING PAINTS PERFORMING OPERATIONS POLISHES STORING TRANSPORTING USE OF MATERIALS AS ADHESIVES |
Title | LAMINATE, PACKAGING BAG, AND PRODUCTION METHOD FOR LAMINATE |
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