Metal deposits on mesoscopic organopolysiloxane particles

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

1998-02-02

2000-08-08

Krynski, William

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

528 34, 528 15, 528 19, 524268, B32B 1502, B32B 1702, B32B 1900, B32B 2102, B32B 2302

Patent

active

060999640

ABSTRACT:
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%.

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The effect of precursor structure as the preparation of Pt/SiO.sub.2 catalysts "by the sol-gel method" by Weiging Zou et al., Materials Letters 24 (1995) 35-39.
Autarietti et al., Nacht. Chem. Lab. 44, 1996, 6, p. 579.
Derwent Abstract coresponding to EP 0744432.
Derwent Abstract corresponding to EP 0722970.

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