Multilayer plastic articles

Details Multilayer plastic articles Multilayer plastic articles

1984-10-22

1986-08-12

Buffalow, Edith

Stock material or miscellaneous articles

Hollow or container type article

Cellular material derived from plant or animal source

428349, 428516, 428218, B27N 502

Patent

active

046055762

ABSTRACT:
A multilayer high gas barrier plastic article wherein the article comprises a laminate including at least one layer of a high gas barrier polymer and at least one layer composed of an intimate blend of a propylene based polymer and an amount of linear low density polyethylene wherein said linear low density polyethylene is up to thirty weight percent or less of the blend. The multilayer high gas barrier article incorporating the intimate blend in conjunction with a high gas barrier polymer layer has good gas barrier characteristics, good mechanical properties and excellent low temperature drop impact characteristics, particularly when fabricated into free-standing bottles.

REFERENCES:
patent: 3595735 (1971-07-01), Tyrrell
patent: 3955697 (1976-05-01), Valdyi
patent: 4123576 (1978-10-01), Kobayashi et al.
patent: 4182457 (1980-01-01), Yamada et al.
patent: 4254169 (1981-03-01), Schroeder
patent: 4261482 (1981-04-01), Yamada et al.
patent: 4370368 (1983-01-01), Hirata et al.
patent: 4393106 (1983-07-01), Maruhashi et al.
patent: 4444828 (1984-04-01), Anthony et al.
patent: 4451512 (1984-05-01), Yazaki et al.
patent: 4456660 (1984-06-01), Colombo

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