Composition for use in manufacture of molded hollow rubber artic

Details Composition for use in manufacture of molded hollow rubber artic Composition for use in manufacture of molded hollow rubber artic

1976-02-26

1977-06-14

Hayes, Lorenzo B.

Compositions: coating or plastic

Coating or plastic compositions

Molds and mold coating compositions

106 3823, 252 28, 252 498, 427133, B28B 736

Patent

active

040295117

ABSTRACT:
A composition is described for coating the inside surfaces of tire carcasses and other hollow rubber articles prior to curing so as to prevent adhesion between the carcass and the pressure bag during the cure stage, comprising a sprayable film formed from an aqueous dispersion containing about 40 to 50% of finely ground mica, a small amount of volatile hydrocarbon, about 4 to 10% of an alkyl acid phosphate and sufficient surfactant to keep the composition from separating.

REFERENCES:
patent: 3052629 (1962-09-01), Morrow et al.
patent: 3213024 (1965-10-01), Blake et al.
patent: 3872038 (1975-03-01), Adams et al.
patent: 3933658 (1976-01-01), Beiswanger et al.

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