Method of treating diene rubber with amino- and hydroxy aryl com

Details Method of treating diene rubber with amino- and hydroxy aryl com Method of treating diene rubber with amino- and hydroxy aryl com

1983-11-07

1985-02-12

Henderson, Christopher A.

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

Synthetic resins

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

525380, 525382, 525384, C08C 1920, C08C 1922

Patent

active

044992432

ABSTRACT:
Treatment of diene rubber with a compound of the formula ##STR1## wherein X and Y are --OH or --NH.sub.2 and R and R' are hydrogen, --OH, NH.sub.2 or non-reactive substituents is performed at temperatures above 130.degree. C. Rubber compositions treated in this manner exhibit increased green strength, decreased plasticity, and, when vulcanized, decreased hysteresis.

REFERENCES:
patent: 2335089 (1943-11-01), Sibley
patent: 2360864 (1944-10-01), Fryling
patent: 3197446 (1965-07-01), Ziarnik et al.
Chemical Abstracts reference 17290c--Structural Features of Rubbers Prepared During the Vulcanization of Chloroprene Rubbers by Different Vulcanizing Systems.

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