Stabilized styrene copolymers containing elastomer particles mod

Details Stabilized styrene copolymers containing elastomer particles mod Stabilized styrene copolymers containing elastomer particles mod

1991-09-30

1993-03-16

Michl, Paul R.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 86, 524 94, 524126, 524128, 525203, 525279, 546184, C08K 53415, C08K 53432, C08L 3904

Patent

active

051944650

ABSTRACT:
ABS copolymers and similar styrene or .alpha.-methylstyrene copolymers with contain an elastomer phase are stabilized against light-induced degradation by a) incorporation of a copolymerizable sterically hindered amine in, and b) addition of a non-copolymerizable sterically hindered amine to, the copolymer. Preferred sterically hindered amines are polyalkylpiperidines.

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