Azodicarboxylic acid derivatives containing hindered amine moiet

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

1994-04-07

1995-01-10

Lee, Mary C.

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

Organic compounds

Azo

524 99, 524102, 534586, 546188, 546190, C07D21146, C07D21158, C07D21194, C08K 53435

Patent

active

053808282

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.

REFERENCES:
patent: 3655391 (1972-04-01), Merli et al.
patent: 4255536 (1981-03-01), Udipi
patent: 5021480 (1991-06-01), Ravichandran
patent: 5204473 (1993-04-01), Winter et al.
S. S. Ivanov et al., Rubber Chem. & Tech., 30, 895 (1957).
D. S. Campbell et al, Polymer 19, 1107 (1978).
D. S. Campbell et al, Polymer 20, 393 (1979).
D. N. Schulz et al, Macromolecules 13, 1967 (1980).

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