Anti-sticking composition for coating unvulcanized rubber

Details Anti-sticking composition for coating unvulcanized rubber Anti-sticking composition for coating unvulcanized rubber

1980-03-27

1981-12-22

Lieberman, Allan

Compositions

Preservative agents

Anti-caking, separative or protective coatings or zones

252383, 252384, 252385, 10628717, C09K 3100

Patent

active

043069940

ABSTRACT:
A dry composition is described which can be converted to an anti-sticking composition for unvulcanized rubber by dispersion in water, consisting essentially of a film forming clay (bentonite or attapulgite), a surfactant and an additive capable of inactivating calcium and magnesium ions (e.g. polyphosphate); optionally, there may be present a defoamer, and up to equal parts by volume, based on a film forming clay, of a filler to speed drying.

REFERENCES:
patent: 1943519 (1934-01-01), Denning
patent: 2120526 (1938-06-01), Owen
patent: 2147312 (1939-02-01), Partridge
patent: 2210177 (1940-08-01), Rader
patent: 2248636 (1941-07-01), Marsden
patent: 2586211 (1952-02-01), Currie
patent: 3474166 (1969-10-01), Babcock
patent: 3519444 (1970-07-01), Brown et al.
patent: 3765911 (1973-10-01), Knowles
patent: 3990990 (1976-11-01), Kojima
Schwartz, Perry, Berch, "Surface Active Agents and Detergents", vol. II, 1958, pp. 293-294.

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