Oxygen barrier resin composition and product containing the same

Details Oxygen barrier resin composition and product containing the same Oxygen barrier resin composition and product containing the same

1999-09-13

2000-12-05

Michl, Paul R.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

B29D 2200

Patent

active

06156401&

ABSTRACT:
Disclosed are an oxygen barrier resin composition and products containing the resin. The resin composition comprises 20 to 80 wt % of an ethylene-vinyl alcohol copolymer, 5 to 79 wt % of an ethylene copolymer, and 1 to 30 wt % of a compatibilizer obtained between a random copolymer of ethylene-maleic anhydride-alkyl(meth)acrylate and a polyamide oligomer ranging, in molecular weight, from 1,000 to 5,000. The compatibilizer functions in such a way that the main chain of the polyamide penetrates into the ethylene-vinyl alcohol phase while the main chain of the ethylene-alkyl(meth)acrylate exists in the ethylene copolymer phase. The resin composition is superior in both melt-moldability and compatibility, providing films, sheets or bottles with superb appearance (transparency), mechanical strength and oxygen barrier.

REFERENCES:
patent: 4261482 (1981-04-01), Yamada
patent: 4753845 (1988-06-01), Sumi
patent: 4950515 (1990-08-01), Mason
patent: 4971864 (1990-11-01), McCord
patent: 5194109 (1993-03-01), Yamada
patent: 5278237 (1994-01-01), Kita
patent: 5356990 (1994-10-01), Pucci
patent: 5728467 (1998-03-01), Watanabe
patent: 5827615 (1998-10-01), Touhsaent
patent: 6011115 (2000-01-01), Miharu

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