Heat-shrinkable composite laminate film and process for preparin

Details Heat-shrinkable composite laminate film and process for preparin Heat-shrinkable composite laminate film and process for preparin

1983-10-17

1985-06-25

Herbert, Thomas J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428214, 428216, 428355, 4284744, 4284763, 428516, 428518, 428913, B32B 702, B32B 2708

Patent

active

045254141

ABSTRACT:
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.

REFERENCES:
patent: 3908070 (1975-09-01), Marzolf
patent: 4438180 (1984-03-01), Lang et al.
patent: 4448792 (1984-05-01), Schirmer
patent: 4450028 (1984-05-01), Vilutis
patent: 4457960 (1984-07-01), Newsome

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