Metal deposits on mesoscopic organopolysiloxane particles

Details Metal deposits on mesoscopic organopolysiloxane particles Metal deposits on mesoscopic organopolysiloxane particles

Category

C - Chemistry, Metallurgy

Subcategory

08

Subsubcategory

J

IPC codes

C08J 7/12 (2006.01) B01J 31/06 (2006.01) C08G 77/398 (2006.01) C08G 77/58 (2006.01) C08J 3/12 (2006.01) C09K 21/14 (2006.01)

Type

Patent

Patent number

CA 2228326

Description

Organopolysiloxane particles consist of a single molecule, are crosslinked, and contain metal atoms in the zero valent oxidation state, the metal atoms in each case being in intermetallic interaction with at least one further metal atom in the zero valent oxidation state, have an average diameter of 5 to 200 nm and are soluble to the extent of at least 0.1% by weight in at least one organic solvent chosen from the group consisting of methylene chloride, pentane, acetone, toluene and ethanol, at least 80% of the particles having a diameter which deviates from the average diameter by not more than 30%.

Des particules d'organopolysiloxane monomoléculaires sont réticulées et contiennent des atomes de métal dans un état d'oxydation zéro, les atomes de métal étant dans chaque cas en interaction intermétallique avec au moins un autre atome de métal dans un état d'oxydation zéro, possèdent un diamètre moyen de 5 à 200 nm et sont solubles jusqu'à au moins 0,1 % en poids dans au moins un solvant organique choisi parmi le groupe constitué du chlorure de méthylène, du pentane, de l'acétone, du toluène et de l'éthanol, au moins 80 % des particules ayant un diamètre qui ne s'écarte pas du diamètre moyen par plus de 30 %.

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