MULTILAYER FILM

Provided are a multilayer film, a method for producing the multilayer film, and a method for producing a molded body using the multilayer film. The multilayer film: has an adhesive layer; has excellent three-dimensional overlaying formability and adhesiveness after being formed into a three-dimensio...

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Bibliographische Detailangaben
Hauptverfasser:	KAWAKITA, Hiroshi, NAKANO, Kirihiro, TAKEDA, Hideaki
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY DYES 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 PAINTS PERFORMING OPERATIONS POLISHES SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING USE OF MATERIALS AS ADHESIVES WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	Provided are a multilayer film, a method for producing the multilayer film, and a method for producing a molded body using the multilayer film. The multilayer film: has an adhesive layer; has excellent three-dimensional overlaying formability and adhesiveness after being formed into a three-dimensional overlay; can easily be used when being bonded to an adherend; maintains adhesive strength without breaking or wrinkling in a wide range of range temperatures; and is suitable for forming a vacuum. Specifically, the multilayer film has: an adhesive layer comprising a thermoplastic polymer composition containing a thermoplastic elastomer (A) which is a block copolymer or a hydrogenated product thereof having a polymer block (a1) containing aromatic vinyl compound units and having a polymer block (a2) containing conjugated diene compound units; and a base layer comprising an amorphous resin which has a modulus of elasticity of 2 to 600 MPa at an arbitrary temperature of 110 to 160°C. The tensile elongation at break of the multilayer film at a temperature 5°C lower than the glass transition temperature of the amorphous resin is at least 160%.