Metal oxide aerogels

Details Metal oxide aerogels Metal oxide aerogels

1975-03-12

1976-08-31

Padgett, Benjamin R.

Compositions

Preservative agents

Anti-corrosion

252315, 252451, 423338, B01J 1300

Patent

active

039779939

ABSTRACT:
Novel metal oxide aerogels, particularly silica aerogels, having a combination of both a large surface area and a large pore volume are provided. Such aerogels have a surface area of at least 300 square meters per gram and a pore volume of at least 2 milliliters per gram, said values being determined by isothermal liquid nitrogen desorption. The aerogels are prepared by a modification of the method disclosed by Kistler in U.S. Pat. No. 2,249,767.

REFERENCES:
patent: 2249767 (1941-07-01), Kistler
patent: 3652216 (1972-03-01), Krekeler
patent: 3672833 (1972-06-01), Teichner et al.
patent: 3801705 (1974-04-01), Krekeler et al.
patent: 3819811 (1974-06-01), Aboutboul et al.

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