Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From silicon reactant having at least one...
Patent
1996-03-21
1997-04-29
Marquis, Melvyn I.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From silicon reactant having at least one...
528 16, 528 17, 525478, 525479, C08G 7708
Patent
active
056250223
ABSTRACT:
Curable organopolysiloxane composition that undergoes a uniform curb by both condensation and addition reactions without being subject to cure inhibition by cure inhibitors and thereby produces cured silicone that is strongly adherent to any of various substrates residing in contact with the composition during its cure. The curable organopolysiloxane composition is a mixture of organopolysiloxane with at least 2 silicon-bonded alkoxy groups in each molecule and organopolysiloxane with at least 2 silicon-bonded lower alkenyl groups in each molecule, an organopolysiloxane containing at least 2 silicon-bonded hydrogen atoms in each molecule, an alkoxysilane of the formula R.sup.1.sub.x Si(OR.sup.2).sub.(4-x) where R.sup.1 is a monovalent hydrocarbon group, R.sup.2 is alkyl or alkoxyalkyl, and x is 0, 1, or 2 or partial hydrolysis condensate thereof, an organozirconium compound or an organoaluminum compound, and a hydrosilylation reaction catalyst in a catalytic quantity.
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Borrousch Roger H.
Dow Corning Toray Silicone Co. Ltd.
Marquis Melvyn I.
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