Compositions for bonding organosiloxane elastomers to organic po

Details Compositions for bonding organosiloxane elastomers to organic po Compositions for bonding organosiloxane elastomers to organic po

1993-12-02

1995-06-13

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...

524861, 524862, 525479, 528 15, 528 17, 528 26, 528 32, 526279, C08K 505

Patent

active

054243572

ABSTRACT:
Adhesion promoting compositions for bonding a layer of organic polymer to a layer of organosiloxane elastomer during curing of the elastomer by a platinum group metal-catalyzed hydrosilation reaction comprise (a) a copolymer containing repeating units derived from at least one ethylenically unsaturated organic compound and at least one silane containing an ethylenically unsaturated organic group and at least two silicon-bonded hydrolyzable groups per molecule, and (b) an organohydrogensiloxane containing an average of at least three silicon-bonded hydrogen atoms per molecule. If the adhesion promoting composition is to be used with an elastomer prepared by curing an organosiloxane elastomer at temperatures below about 80 degrees C., the adhesion promoting composition includes an alkyl orthosilicate and an organotitanium compound.

REFERENCES:
patent: 3306800 (1967-02-01), Plueddemann
patent: 4491650 (1985-01-01), Rizk et al.
patent: 4719262 (1988-01-01), Plueddemann
patent: 4749741 (1988-06-01), Saito et al.
patent: 4795775 (1989-01-01), Baile et al.

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