Extrusion processing aid composition and polyolefin containing s

Details Extrusion processing aid composition and polyolefin containing s Extrusion processing aid composition and polyolefin containing s

1983-06-06

1987-10-20

Lieberman, Allan M.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

264211, 106316, 524232, C08K 520, C08L 2300, C08L 2312, C08L 2320

Patent

active

047014873

ABSTRACT:
There is disclosed an extrusion processing aid composition for the extrusion of polyolefins, particularly linear low density polyethylene and high density polyethylene films or sheets; polyolefin compositions containing said processing aid and a process of extruding polyolefins using said processing aid. The processing aid is a composition comprising (a) an amide of a saturated or unsaturated carboxylic acid or a saturated or unsaturated alkylene bis-amide of a saturated or unsaturated dicarboxylic acid; (b) an aliphatic hydrocarbon polymer mixture having a molecular weight of from about 400 to about 50,000; and (c) an oxygen-containing high density, low molecular weight ethylene polymer.

REFERENCES:
patent: 3976612 (1976-08-01), Kaji et al.
patent: 4032493 (1977-06-01), Pascual
patent: 4070316 (1978-01-01), Combs et al.
patent: 4127619 (1978-11-01), Godfrey
patent: 4130618 (1978-12-01), Hill
patent: 4180490 (1979-12-01), Maclean

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