Polymeric diphenyldiamines

Details Polymeric diphenyldiamines Polymeric diphenyldiamines

1990-03-08

1991-09-17

Morgan, Kriellion S.

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

Synthetic resins

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

525392, 528392, 528422, 524254, C08G 7300, C08K 517

Patent

active

050496255

ABSTRACT:
This invention relates to a novel class of polymeric compositions which have molecular weights ranging from 300 to 3000 and are the reaction product of (a) an alkyl or cycloalkyl substituted diphenyldiamine and (b) a conjugated or nonconjugated diene. The polymeric diphenyldiamine compounds are particularly useful as an antiozonant in diene containing polymers.

REFERENCES:
patent: 2530769 (1950-11-01), Hollis
patent: 3452056 (1969-06-01), Sundholm
patent: 3505225 (1970-04-01), Wheeler
patent: 3533992 (1970-10-01), Sundholm
patent: 4182849 (1980-01-01), Ezzell
patent: 4292195 (1981-09-01), Morris
patent: 4414348 (1983-11-01), Gloth et al.
patent: 4417017 (1983-11-01), Gloth et al.
patent: 4463170 (1984-07-01), Gloth et al.
patent: 4537952 (1985-08-01), Gloth et al.

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