초록

Composite laminated structures comprising a polyarylate film bound to a polyethylene film via an intermediate tie layer are described. The structures are fabricated by coextrusion of three layer blown tubular films with the center layer being present to bond the polyethylene to the polyarylate.

대표청구항 ▼

A laminated structure comprising a layer of a low density ethylene polymer or copolymer, a tie layer which is a maleic anhydride or maleic anhydride derivative functionalized polyethylene or polyethylene-vinyl acetate copolymer, and a layer of a polyarylate blend comprising a polyester of a dihydric

A laminated structure comprising a layer of a low density ethylene polymer or copolymer, a tie layer which is a maleic anhydride or maleic anhydride derivative functionalized polyethylene or polyethylene-vinyl acetate copolymer, and a layer of a polyarylate blend comprising a polyester of a dihydric phenol and an aromatic dicarboxylic acid and a poly(alkylene phthalate).