Organic modified silicic acid heteropolycondensates

Details Organic modified silicic acid heteropolycondensates Organic modified silicic acid heteropolycondensates

C - Chemistry, Metallurgy

08

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C08G 77/02 (2006.01) B01J 20/28 (2006.01) B01J 20/32 (2006.01) C01B 33/158 (2006.01) C03C 1/00 (2006.01) C03C 11/00 (2006.01) C08G 77/06 (2006.01)

Patent

CA 2045511

2045511 9008169 PCTABS00001 Organic modified silicic acid heteropolycondensates can be upgraded by removal of residual silanol or hydrolyzable groups. The upgrading process is conducted by contacting the condensate with a supercritical fluid at elevated temperature and pressure. Upgraded products in the form of powders can be dissolved in an organic solvent and used to produce coatings which have improved oxygen permeability. Upgraded products have also been made in non-comminuted, solid form such as rods. These articles are useful as adsorbents.

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