Polymer stabilizers containing both hindered amine and hydroxyla

Details Polymer stabilizers containing both hindered amine and hydroxyla Polymer stabilizers containing both hindered amine and hydroxyla

1995-01-12

1996-09-03

Morgan, Kriellion S.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C08K 53435

Patent

active

055524648

ABSTRACT:
Compounds possessing both a hindered amine moiety, such as a derivative of 2,2,6,6-tetramethylpiperidine, and a hydroxylamine moiety where the N-hydroxy group is not attached to a nitrogen atom in a piperidine ring are valuable stabilizers for protecting polymer compositions against the deleterious effects of actinic light and from the adverse effects of high temperature polymer processing environments.

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Klemchuck, et al. "Stabilization Mechanisms of Hindered Amines" Polymer Degradation & Stability 22 (1988) 241 274.

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