Synergistic additive system for the stabilization of polyamides

Details Synergistic additive system for the stabilization of polyamides Synergistic additive system for the stabilization of polyamides

1998-08-24

2000-05-16

Sanders, Kriellion

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 99, 524106, 524126, 524227, C08K 534

Patent

active

060638435

ABSTRACT:
Disclosed is a process for stabilizing polyamides against the damage effected by light, heat and/or oxidation while improving the differential dyeability, and processing stability therefore, comprising incorporating therein by melt-processing a synergistic additive system resulting in a uniform and intimate mixture with said polyamide, said additive system is selected from the group consisting of (I), (II) and (III)

REFERENCES:
patent: 4107138 (1978-08-01), Hofer et al.
patent: 4474914 (1984-10-01), Spivack
patent: 4902299 (1990-02-01), Anton
patent: 5045083 (1991-09-01), Bennett
patent: 5338319 (1994-08-01), Kaschig et al.
patent: 5380774 (1995-01-01), Mulholland
patent: 5438086 (1995-08-01), Stevenson et al.

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