Process for preparing finely divided hydrophobic oxide particles

Details Process for preparing finely divided hydrophobic oxide particles Process for preparing finely divided hydrophobic oxide particles

1977-11-01

1979-08-14

Shaver, Paul F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2604488AS, C07F 704, C07F 718

Patent

active

041645090

ABSTRACT:
A process for preparing hydrophobic finely divided particles of oxides of metals and/or oxides of silicon by chemically bonding hydrocarbon radicals to the surface of the oxide particles, said process comprising intensively mixing oxide particles having a water content less than about 1% by weight with a hydrolizable metal or metalloid compound containing OR groups, wherein said compound is an ester of the general formula:

REFERENCES:
patent: 3892678 (1975-07-01), Halasz et al.
patent: 3953487 (1976-04-01), Kratel et al.

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