Processing stabilizer formulations

Details Processing stabilizer formulations Processing stabilizer formulations

1994-08-09

2000-02-08

Hoke, Veronica P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

264211, 524151, 524400, C08K 549

Patent

active

060229160

ABSTRACT:
Melt extrusion processes involving phosphite stabilized polyolefin compositions subject to solid by-product formation during melt extrusion are improved by the addition of a metal salt of a lactic acid to the composition. The processes involving the improved compositions exhibit reduced levels of screen pack plugging during fiber and film extrusion processes than that achieved with fatty acid salts, such as calcium stearate.

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