Laminate and process for producing the same
AssigneeShowa Denko K.K.
InventorsKatsuaki Tsutsumi, Shintaro Inazawa, Shin-ichi Yasuda
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Abstract
A laminate suitable for use as wrapping or packaging materials for foods and industrial materials is disclosed, which is produced by laminating a thermoplastic resin composition which comprises (1) 10 to 95 % by weight of an ethylene copolymer composed mainly of units derived from ethylene and units derived from an unsaturated carboxylic acid anhydride and (2) 70 to 5 % by weight of a flexible resin having an MFR (190.degree. C.) of 0.1 to 1,000 g/10 min, to one or more kinds of substrates selected from thermoplastic resins, metals, papers, and fabrics. A process for efficiently producing the laminate is also disclosed.
Claims10
A process for producing a laminate by means of extrusion laminating, which comprises extrusion-coating a thermoplastic resin composition comprising effective film-forming amounts of (1) an ethylene copolymer composed mainly of units derived from ethylene and units derived from a carboxylic acid anhydride and (2) a flexible resin having a maximum peak of melting point at a temperature of 80.degree. or lower, directly onto a substrate at a temperature not higher than 280.degree. C., wherein said ethylene copolymer and said flexible resin are different.
Dependencies are inferred from the claim text.