Composition for promoting adhesion of curable silicones to subst

Details Composition for promoting adhesion of curable silicones to subst Composition for promoting adhesion of curable silicones to subst

1982-09-27

1984-07-24

Marquis, Melvyn I.

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...

524733, 524783, 524787, 524780, 524789, 524785, 524779, 524860, 528 14, 528 15, 528 17, 528 18, 528 19, 528 33, 528 34, 528 35, 528901, C08K 314

Patent

active

044618670

ABSTRACT:
The adhesion of self-bonding, low modulus, one package, room temperature vulcanizable silicone compositions to a variety of substrates is effectively promoted by incorporation in the silicone composition, before curing, a small effective amount of an adhesion promoting composition comprising predominantly at least one diorganocyclopolysiloxane compound of the formula: ##STR1## wherein R.sup.1 may be C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 gamma-trihaloalkyl or phenyl; R.sup.2 is alkylene of from 2 to 6 carbon atoms; R.sup.3, R.sup.4 and R.sup.5 are, independently, C.sub.1 -C.sub.6 alkyl or C.sub.2 -C.sub.6 alkanoyl; and n is either 3 or 4.

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