초록 ▼

Disclosed herein is a heat-shrinkable composite laminate film comprising an intermediate layer of a copolymer of vinylidene chloride, an outer layer of a polyamide, another outer layer of an olefin resin and two adhesive layers disposed between the intermediate layer and each of the two outer layers

Disclosed herein is a heat-shrinkable composite laminate film comprising an intermediate layer of a copolymer of vinylidene chloride, an outer layer of a polyamide, another outer layer of an olefin resin and two adhesive layers disposed between the intermediate layer and each of the two outer layers, the adhesive layers being at least one resin selected from the group consisting of a modified copolymer of ethylene and a vinyl carboxylate or an acrylic ester by an ethylenically unsaturated carboxylic acid or an acid anhydride thereof and a polymeric material obtained by further modifying the above-mentioned modified copolymer with a metal compound, and a process for preparing the same.

대표청구항 ▼

A heat-shrinkable composite laminate film comprising an intermediate layer having a thickness of from 3 to 30 mm and comprising a copolymer of from 65 to 95% by weight of vinylidene chloride and from 5 to 35% by weight of a comonomer copolymerizable with vinylidene chloride, an outer layer of an ole

A heat-shrinkable composite laminate film comprising an intermediate layer having a thickness of from 3 to 30 mm and comprising a copolymer of from 65 to 95% by weight of vinylidene chloride and from 5 to 35% by weight of a comonomer copolymerizable with vinylidene chloride, an outer layer of an olefin resin having a thickness of from 5 to 50 mm, another outer layer of a polyamide having a thickness of from 5 to 50 mm and two adhesive layers respectively disposed between the intermediate layer and each of the two outer layers, each of the adhesive layers having a thickness of not less than 1 mm and below 5 mm and being at least one resinous material selected from the group consisting of a modified copolymer obtained by modifying a copolymer of ethylene and a vinyl carboxylate or an acrylic ester with an ethylenically unsaturated carboxylic acid or an acid anhydride thereof and a polymeric material obtained by further modifying said modified copolymer with a metal compound.