Azodicarboxylic acid derivatives containing hindered amine moiet

Details Azodicarboxylic acid derivatives containing hindered amine moiet Azodicarboxylic acid derivatives containing hindered amine moiet

1995-06-05

1996-09-10

Wu, Shean C.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546188, 546190, 524 99, 524102, 534732, 534751, C07D21100, C08K 534

Patent

active

055547540

ABSTRACT:
New azodicarboxylic acid derivatives of formula I ##STR1## where R.sub.1 is hydrogen, oxyl, hydroxyl, alkyl, allyl, benzyl, alkoxy or acyl, and X is --O-- or --NR-- where R is hydrogen or alkyl, are useful for the stabilization of polymers, particularly unsaturated elastomers, by being grafted thereon.

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