Primer for silicone rubber

Details Primer for silicone rubber Primer for silicone rubber

2008-03-04

2008-03-04

Wyrozebski, Katarzyna (Department: 1796)

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C528S017000, C525S478000

Reexamination Certificate

active

07338996

ABSTRACT:
Primer compositions comprising(A) organopolysiloxanes having at least four ethylenically unsaturated radicals R1per molecule,(B) organosilane or organocarbosilane compounds having at least one hydrolyzable group selected from —OR2, —NR22, R2—C(═O)—N(R2)— or —O—N═CR22, where R2is an optionally substituted alkyl group,(C) fillers, such as reinforcing fillers, silicone resins or hydrolysis condensates of at least one organosilicon compound (B) defined above, and(D) solvents, such as organic solvents of low molecular weight cyclic or linear polyorganosilicon compounds, provide high adhesive strength between a variety of substrates and silicone rubber compositions, such that composites of improved properties may be produced.

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