Silicone primer composition

Details Silicone primer composition Silicone primer composition

1985-04-30

1986-07-01

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, 528 43, 156329, C08G 7706

Patent

active

045981345

ABSTRACT:
A primer composition for heat curable silicone rubber compositions has been developed which provides adhesion to various synthetic rubbers, plastics, and inorganic materials. The primer composition is composed of three components. Component (I) consists of component (A) or (B). Component (A) consists of an organosilicon compound containing at least one epoxy group-containing monovalent hydrocarbon group, and at least one silicon-bonded lower alkenyl group or silicon-bonded hydrogen atom in each molecule. Component (B) consists of a mixture of (a) an organosilicon compound which possesses silicon-bonded hydroxyl and silicon-bonded lower alkenyl or silicon-bonded hydrogen, and (b) an organotrialkoxysilane containing at least one epoxy group-containing monovalent hydrogen group. Component (II) comprises a trialkoxysilane or its partial hydrolysis product. Component (III) comprises an organotitanate ester.

REFERENCES:
patent: 4141926 (1979-02-01), Ariga et al.
patent: 4332844 (1982-06-01), Hamada et al.
patent: 4431472 (1984-02-01), Hohl et al.
patent: 4546018 (1985-10-01), Ryuzo et al.

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