06051672 is referenced by 23 patents and cites 8 patents.

A method for making hydrophobic non-aggregated colloidal silica comprising reacting an aqueous suspension of a hydrophilic non-aggregated colloidal silica having an average particle diameter greater than about 4 nm with a silicon compound at a pH less than about pH 4 in the presence of a sufficient quantity of a water-miscible organic solvent to facilitate contact of the hydrophilic non-aggregated colloidal silica with the silicon compound. The method is conducted at a temperature within a range of about 20.degree. C. to 250.degree. C. for a period of time sufficient to form a hydrophobic non-aggregated colloidal silica. The hydrophobic non-aggregated colloidal silicas prepared by the present method are particularly useful as fillers in silicone compositions such as adhesives, rubbers, and sealants.

Title
Method for making hydrophobic non-aggregated colloidal silica
Application Number
9/138906
Publication Number
6051672
Application Date
August 24, 1998
Publication Date
April 18, 2000
Inventor
Patricia Ann Moore
Midland
MI, US
Daniel Anton Harrington
Midland
MI, US
James Richard Hahn
Midland
MI, US
Jon Vierling DeGroot Jr
Midland
MI, US
Gary Thomas Burns
Ohain
BE
Agent
William F Boley
Assignee
Dow Corning Corporation
MI, US
IPC
C01B 33/18
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