Polymeric N-aryl substituted and N-alkaryl substituted diphenyld

Details Polymeric N-aryl substituted and N-alkaryl substituted diphenyld Polymeric N-aryl substituted and N-alkaryl substituted diphenyld

1997-01-22

1998-03-10

Krass, Frederick

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525 64, 525 69, 525 98, 525 95, 525157, 525177, 525391, 525422, L08L 6120

Patent

active

057262489

ABSTRACT:
This invention relates to a novel class of polymeric compositions which have molecular weights ranging from 300 to 10,000 and are the reaction product of (a) an N-aryl or N-alkaryl substituted diphenyldiamine and (b) a conjugated or nonconjugated diene. These polymeric N-aryl substituted and N-alkaryl diphenyldiamine compounds are particularly useful as an antioxidant in diene containing polymers.

REFERENCES:
patent: 5049625 (1991-09-01), Tazuma et al.
patent: 5280071 (1994-01-01), Sturm et al.
Miller et al., "Persistent Antioxidants", (1989) CA #112:140956 (ABS only).
Giurnica et al., "Oxidation in Presence Of Amines," (1982) CA #97:24977 (ABS only).

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