C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
402/16, 6/37, 26
C07F 7/18 (2006.01) A61K 6/10 (2006.01) C07F 7/08 (2006.01) C08G 77/38 (2006.01) C08K 5/56 (2006.01) C08L 83/04 (2006.01)
Patent
CA 1136639
ABSTRACT OF THE DISCLOSURE Silicon containing compounds having Si-bonded hydrogen are added to an aliphatic multiple bond in the presence of a platinum catalyst which is either platinum compounds of the formula (R1)PtX2, or (R2SO)(Z)PtY2 R1 represents a cyclic hydrocarbon radical or a substituted cyclic hydro- carb n radical having 2 aliphatic carbon-carbon double bonds, where R represents the same or different hydrocarbon radicals or substituted hydrocarbon radicals, x is the same or different halogen atoms and/or the same or different alkyl radicals, Z represents a hydrocarbon having a car- bon-carbon double bond and Y represents the same or different halogen atoms. An example of a platinum compound having the general formula (R1)PtX2, is dicyclopentadiene-platinum dichloride, while an example of a platinum compound having the general formula (R2SO) (Z)PtY2 is dimethylsulfoxide-ethylene-platinum-(II)-dichloridde. The catalyst is more effective in promoting hydrosilation, is available in substantially pure state and is effective at room temperature.
338416
Kreis Gerhard
Wegehaupt Karl-Heinrich
Marcus & Associates
Wacker-Chemie Gmbh
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