Modified rubber compositions containing aromatic six-membered he

Details Modified rubber compositions containing aromatic six-membered he Modified rubber compositions containing aromatic six-membered he

1988-08-19

1990-05-22

Lipman, Bernard

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

Synthetic resins

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

525280, 5253767, 5253271, 5253329, 5253331, 5253332, 5253596, C08F 820

Patent

active

049278878

ABSTRACT:
Modified rubber compositions are described which when cured exhibit high rebound and reduced hysteresis. The uncured rubber compositions are prepared by reacting (a) at least one polymer rubber containing an alkali metal and carbon-carbon unsaturation with (b) at least one aromatic six-membered heterocyclic nitrogen-containing compound substituted with a group capable of reacting with the alkali metal of the polymer rubber. Filled vulcanizates made by vulcanizing a composition comprising at least one of the above-described uncured modified rubber compositions and one or more reinforcing fillers also are described. When tire treads are prepared utilizing the filled vulcanizates of the present invention, the tires exhibit improved properties such as reduced running temperature and rolling resistance.

REFERENCES:
patent: 3113912 (1963-12-01), Kraus et al.
patent: 3402162 (1968-09-01), Strobel
patent: 3567798 (1971-03-01), Haefele et al.
patent: 3639523 (1972-02-01), Hayter et al.
patent: 3755269 (1973-08-01), Uraneck et al.
patent: 3891721 (1975-06-01), Prudence
patent: 4229308 (1980-10-01), Brulet et al.
The Condensed Chemical Dictionary, Tenth Edition, G. G. Hawley, Van Nostrand Reinhold Co., NY, p. 195.

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