Particulate material comprising a platinum-containing...

Details Particulate material comprising a platinum-containing... Particulate material comprising a platinum-containing...

C - Chemistry, Metallurgy

08

J

400/7215, 252/91

C08J 3/12 (2006.01) C08J 3/07 (2006.01) C08J 3/16 (2006.01) C08K 9/10 (2006.01) C08L 83/04 (2006.01)

Patent

CA 1335731

This invention provides particulate catalyst compositions comprising a platinum-containing hydrosilation reaction catalyst and a polydiorganosilane exhibiting a softening point of from 50 to 200°C. The average particle size of the particulate does not exceed 100 micrometers, and the surface layer of the particulate is substantially free of said catalyst. Curable organopolysiloxane compositions containing the present catalyst compositions exhibit excellent storage stability.

604150

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