Mesoscopic organopolysiloxane particles with chemically...

Details Mesoscopic organopolysiloxane particles with chemically... Mesoscopic organopolysiloxane particles with chemically...

C - Chemistry, Metallurgy

08

G

C08G 77/398 (2006.01) B01J 31/16 (2006.01) C07C 5/03 (2006.01) C07C 45/50 (2006.01) C08F 10/00 (2006.01) C08G 77/30 (2006.01) C08G 77/58 (2006.01) C08J 3/12 (2006.01) C08F 4/619 (2006.01)

Patent

CA 2233076

The invention relates to organopolysiloxane particles which are cross-linked, comprise a single molecule, have chemically bound metallic compounds and an average diameter of from 5 to 200 nm and are soluble in at least one solvent chosen from dichloromethane, pentane, acetone, ethanol and water to at least 1 % by weight. At least 80 % of the particles have a diameter which deviates a maximum of 30 % from the average diameter. The organopolysiloxane particles can be used as catalysts.

L'invention concerne des particules d'organopolysiloxane qui sont réticulées, comprennent une seule molécule, présentent des composés chimiquement liés et ont un diamètre moyen de 5 à 200 nm, et sont solubles dans au moins un solvant choisi parmi le dichlorométhane, le penthane, l'acétone, l'éthanol et l'eau, jusqu'à au moins 1 % en poids. Au moins 80 % des particules ont un diamètre qui diffère d'au maximum 30 % du diamètre moyen. Les particules d'organopolysiloxane peuvent être utilisées comme catalyseurs.

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