Bladder lubricant composition for tire molding

Details Bladder lubricant composition for tire molding Bladder lubricant composition for tire molding

1990-05-09

1991-12-17

Marquis, Melvyn I.

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

Synthetic resins

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

528 34, 528 23, 528 21, 528 18, 528 17, 528 15, 528 14, C08F28300

Patent

active

050736086

ABSTRACT:
An improved bladder lubricant composition is disclosed which provides durable release of bladders from cured rubber tires in the manufacture of the latter. The composition comprises (A) an organopolysiloxane resin consisting essentially of phenylsilsesquioxane units and dimethylsiloxane units; (B) an organosilane having trioxime or trialkoxy functionality; (C) a condensation catalyst; and, optionally, (D) at least one diorganopolysiloxane having hydroxyl or alkoxy terminal groups.

REFERENCES:
patent: 4387196 (1983-06-01), Bonnet et al.
patent: 4454262 (1984-06-01), Fukayama et al.
patent: 4889770 (1989-12-01), Ona et al.

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