Polyphthalamide resin formulations

Details Polyphthalamide resin formulations Polyphthalamide resin formulations

1995-03-27

1996-12-17

Acquah, Samuel A.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

528335, 528336, 525437, C08J 320, C08K 316

Patent

active

055854290

ABSTRACT:
Polyphthalamide formulations containing from 0.1 to about 2 wt % alkali metal halide have a significantly reduced melt viscosity and both filled and untilled resin formulations containing the requisite amount of alkali metal halide are more readily processed by thermal means. When stabilized with a copper-containing stabilizer and, optionally, a polyolefin synergist the formulations exhibit substantially improved dry heat stability and are particularly useful in the production of thermally-stabilized melt spun polyphthalamide fiber for applications where extended exposure to elevated temperatures in air is contemplated.

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