Curable organopolysiloxane composition

Details Curable organopolysiloxane composition Curable organopolysiloxane composition

1987-03-25

1988-01-26

Marquis, Melvyn I.

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

Synthetic resins

From silicon reactant having at least one...

528 31, 528 32, 525478, 525479, C08G 7706

Patent

active

047217642

ABSTRACT:
The curable organopolysiloxane composition is curable by heating at a relatively low temperature of, for example, 120.degree. C. into a silicone rubber which exhibits outstandingly high adhesive bonding strength to the substrate surface on which it has been cured. The composition is formulated with (A) a trivinylsilyl-terminated diorganopolysiloxane, (B) an organohydrogenpolysiloxane as the crosslinking agent, (C) a preferably cyclic organopolysiloxane having two silicon-bonded hydrogen atoms and at least one hydrolyzable group, e.g. methoxy, or oxirane-containing group, e.g. glycidyl, in a molecule and (D) a platinum compound as a catalyst to promote the hydrosilation reaction between the vinyl groups in (A) and the silicon-bonded hydrogen atoms in (B).

REFERENCES:
patent: 4163081 (1979-07-01), Schulz
patent: 4311739 (1982-01-01), Hardman et al.

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