Process for the preparation of reinforced rubber vulcanizates an

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

1983-08-30

1984-08-14

Pertilla, Theodore E.

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

Synthetic resins

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

260784, 1561101, 525134, 525137, 525139, 152330R, 524306, 524311, 524321, 524322, C08L 6110, C08L 906

Patent

active

044658079

ABSTRACT:
A process for the preparation of reinforced vulcanizates which process comprises vulcanizing a mixture comprising rubber, a novolak and at least one reactive melamine resin obtained by reaction of one mol of melamine with 0.5 to 6 mols of aldehyde, said melamine resin being present in an amount of from 0.5 to 120% by weight, based on the weight of the novolak resin, and the phenolic component of said novolak resin being selected from the group consisting of phenol, polynuclear polyphenols, alkylphenols, a combination of alkylphenols with phenol, and a combination of at least one of said phenols with a further phenol selected from the group consisting of resorcinol, phenylphenol and polyalkylphenols. The invention also includes rubber articles prepared from a product of such a process.

REFERENCES:
patent: 2916471 (1959-12-01), Rosahl et al.
patent: 3250733 (1966-05-01), Giller
patent: 3277209 (1966-10-01), Giller et al.
patent: 3287440 (1966-11-01), Giller
patent: 3638702 (1972-02-01), Endter
patent: 3963652 (1976-06-01), Tanimura et al.

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