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Disclosed is a multi-layer plastic structure comprising a layer of a polyester composed mainly of ethylene terephthalate units or butylene terephthalate units and a gas barrier layer containing an olefin-vinyl alcohol copolymer, said two layers being laminated together through a layer of a thermopla

Disclosed is a multi-layer plastic structure comprising a layer of a polyester composed mainly of ethylene terephthalate units or butylene terephthalate units and a gas barrier layer containing an olefin-vinyl alcohol copolymer, said two layers being laminated together through a layer of a thermoplastic resin adhesive containing ester groups and amide groups.

대표청구항 ▼

A multi-layer plastic structure comprising a layer of a polyester composed mainly of ethylene terephthalate units or butylene terephthalate units and a gas barrier layer containing an olefin-vinyl alcohol copolymer, said two layers being laminated together through a layer of a thermoplastic resin ad

A multi-layer plastic structure comprising a layer of a polyester composed mainly of ethylene terephthalate units or butylene terephthalate units and a gas barrier layer containing an olefin-vinyl alcohol copolymer, said two layers being laminated together through a layer of a thermoplastic resin adhesive containing recurring ester groups and recurring amide groups wherein said ester groups are at a concentration of 53-990 millimoles per 100 g of the resin and said amide groups are at a concentration of 45 to 840 millimoles per 100 g. of the resin. A hollow-formed vessel composed of a multi-layer plastic structure as set forth in claim 1.