C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/4105, 400/53
C08L 83/04 (2006.01) C08K 5/14 (2006.01) C08K 7/00 (2006.01)
Patent
CA 1082834
ABSTRACT OF THE DISCLOSURE A platinum catalyzed silicone rubber composition with an improved work life having as its base constituents 100 parts of a vinyl-containing polysiloxane where the vinyl concentration is at least 0.005 mole percent, at least 0.1 parts per million of a platinum catalyst and from 1 to 50 parts based on 100 parts of the vinyl-containing polysiloxane of a hydrogen-containing polysiloxane and further having as an inhibitor additive a compound with at least one radical of the formula, - C - O - O - H The preferred inhibitor compounds containing the hydroperoxy radical are tertiary butyl hydroperoxide, methylethylketone hydroperoxide, cumene hydroperoxide, 1,1,3,3-tetramethylbutyl hydroperoxide and 2,5-dimethyl-2,5-dihydroperoxyhexane. The silicone rubber composition is generally referred to as a room temperature silicone rubber. Once the silicone rubber composition cures it is quite useful as a water sealant.
276318
Company General Electric
Eckersley Raymond A.
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