Laminar articles of polyolefin and nylon/polyvinyl alcohol blend

Details Laminar articles of polyolefin and nylon/polyvinyl alcohol blend Laminar articles of polyolefin and nylon/polyvinyl alcohol blend

1998-03-24

1999-08-17

Kiliman, Leszek

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428 367, 428516, 428518, 428520, 4284758, 4284769, B29D 2200

Patent

active

059391588

ABSTRACT:
A laminar shaped article which exhibits substantial improvement in the fluid barrier properties over the laminate of the prior art. The article comprises a heterogeneous blend of: (a) polyolefin with (b) a melt blend of a nylon and a polyvinyl alcohol component, and a compatibilizer(c), which is either: i) a mixture of two different alkylcarboxyl-substituted polyolefins which serves as a compatibilizer; or ii) a small amount of alkylcarboxyl-substituted polyolefin with a small amount of grafted maleic anhydride moieties; or iii) a high weight percent of alkylcarboxyl-substituted polyolefin with a high graft level of grafted maleic anhydride moieties.

REFERENCES:
patent: 4410482 (1983-10-01), Subramanian
patent: 4950513 (1990-08-01), Mehra

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