BIODEGRADABLE LAMINATE

The purpose of the present invention is to obtain a biodegradable laminate obtained by laminating a polyvinyl alcohol resin layer on at least one surface of an aliphatic polyester resin layer via an adhesive layer, wherein the biodegradable laminate has excellent biodegradability, gas barrier perfor...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	INOUE, Kaoru, HIRANO, Yasuhiro, KIDA, Kaname
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON DYES LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PERFORMING OPERATIONS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	The purpose of the present invention is to obtain a biodegradable laminate obtained by laminating a polyvinyl alcohol resin layer on at least one surface of an aliphatic polyester resin layer via an adhesive layer, wherein the biodegradable laminate has excellent biodegradability, gas barrier performance, and interlayer adhesiveness. The biodegradable laminate of the present invention is characterized in that the primary component of the adhesive layer is a polyester resin (A') having polar groups, which is obtained by graft polymerization of an ±, ²-unsaturated carboxylic acid or anhydride thereof on a biodegradable polyester resin (A) having predetermined structural units.