Process for preparing laminar articles from a mixture of a polyo

Details Process for preparing laminar articles from a mixture of a polyo Process for preparing laminar articles from a mixture of a polyo

1990-08-09

1992-02-04

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Layered, stratified traversely of length, or multiphase...

264515, 264540, 264173, 425523, B29C 4904, B29C 4922

Patent

active

050858165

ABSTRACT:
A process for preparing a laminar article with multiple thin, overlapping layers, includes preparing a melted heterogeneous blend of a polyolefin, an ethylene-vinyl alcohol copolymer, and a compatibilizer having a specified level of grafted cyclic anhydride groups; extending the body of the melt; and cooling the extended body to below the melting point of the polyolefin.

REFERENCES:
patent: 4254169 (1981-03-01), Schroeder
patent: 4410482 (1983-10-01), Subramanian
patent: 4416942 (1983-11-01), DiLuccio
patent: 4588648 (1986-05-01), Krueger et al.
patent: 4612155 (1986-09-01), Wong et al.
patent: 4869963 (1989-09-01), Gallucci et al.
patent: 4970041 (1990-11-01), Macy et al.

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