Process for the preparation of reinforced rubber vulcanisates an

Details Process for the preparation of reinforced rubber vulcanisates an Process for the preparation of reinforced rubber vulcanisates an

1981-03-13

1985-09-17

Bleutge, John C.

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

Synthetic resins

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

524511, C08L 700, C08L 900

Patent

active

045421862

ABSTRACT:
In a process for the preparation of reinforced vulcanisates by vulcanisation of compositions comprising natural rubber or synthetic diene rubber with novolak resins in the presence of from 0.5 to 120% by weight, based on the novolak resin, of a hardener of a reactive melamine resin obtained by reacting melamine with 0.5 to 6 mol of an aldehyde the improvement comprises that, instead of or together with the reactive melamine resins other aminoplast forming compounds containing hydroxy groups are used and the total amount of the aminoplast-forming compounds is also from 0.5 to 120% by weight, referred to novolak resin, a rubber article and vehicle tire prepared according to this process.

REFERENCES:
patent: 3194294 (1965-07-01), van Gils
patent: 3638702 (1972-02-01), Endter
patent: 3951887 (1976-04-01), Tanimura
Martin, R. W. The Chemistry of Phenolic Resins, pp. 87-88, John Wiley & Sons, N.Y. 1956.

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