Patent Number:
6,168,773
Title:
Rapid process for making silica gel and silicate polymer and low density gels made thereby
Abstract:
This invention relates to a rapid process for the preparation of a silica gel or a silicate polymer comprising contacting at least one fluoroalkoxysilane with a solution comprising water, optionally in the presence of a solvent and/or a catalyst. Low density gels can be prepared using this process and can possess large pore size, greater than 50 nm.
Inventors:
Sharp; Kenneth George (Landenberg, PA)
Assignee:
E. I. du Pont de Nemours and Company
International Classification:
B01J 20/10 (20060101); C01B 33/00 (20060101); C01B 33/16 (20060101); C08G 77/00 (20060101); C08G 77/24 (20060101); C08G 77/02 (20060101); C08G 077/02 (); C01B 033/16 ()
Expiration Date:
01/02/2018
