Polymer stabilizers containing both hindered amine and hydroxlam

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

1993-01-11

1995-04-25

Morgan, Kriellion S.

Organic compounds -- part of the class 532-570 series

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

544113, 544207, 544212, C07D40102, C07D40114

Patent

active

054100470

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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