Multi-layer extruded article

Details Multi-layer extruded article Multi-layer extruded article

1979-11-29

1981-07-28

Robinson, Ellis P.

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

426127, 215 1C, 428 35, 428 36, 428515, 428520, 428522, 428523, B32B 2730, B32B 2732

Patent

active

042810450

ABSTRACT:
A multi-layer extruded article useful for packaging materials, comprising a gas-barrier layer and a polyolefin layer laminated on at least one of the opposite sides of the gas-barrier layer, the gas-barrier layer being made of a mixture comprising a saponification product of an ethylene-vinyl acetate copolymer, a saponification product of an ethylene-vinyl acetate copolymer having a different ethylene content from the first saponification product, and a polyvinyl alcohol.

REFERENCES:
patent: 3282729 (1966-11-01), Richardson
patent: 3540962 (1970-11-01), Anzawa
patent: 3931449 (1976-01-01), Hirata
patent: 3932692 (1976-01-01), Hirata
patent: 3949114 (1976-04-01), Viola
patent: 4082854 (1978-04-01), Yamada
patent: 4151318 (1979-04-01), Marshall

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