Bladder lubricant composition for tire molding

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

1991-08-16

1992-10-06

Bleutge, John C.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

264338, 528 34, 525477, B29C 3502

Patent

active

051529505

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.
patent: 5013800 (1991-05-01), Inoue

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