Phase separatable borosilicate glass compositions

Details Phase separatable borosilicate glass compositions Phase separatable borosilicate glass compositions

1975-03-26

1976-08-03

Garvin, Patrick P.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

252432, C03C 308, C03C 304, C03C 330

Patent

active

039727203

ABSTRACT:
Thermally stable, mechanically strong microporous glass articles with large pore volumes, surface areas, and varying pore sizes, and methods for making such articles are disclosed. In particle form, such as beads, the microporous glass articles are useful as catalyst supports in applications such as petroleum catalytic refiners, chemical processes and motor vehicle catalytic mufflers. The mechanical strength and the dimensional stability of the microporous glass articles at elevated temperatures can be improved if the articles are preshrunk, such as by brief exposure to high temperatures, before their intended use, and can be improved even further if treated with certain metal oxides.

REFERENCES:
patent: 2382056 (1945-08-01), Hood
patent: 3171750 (1965-03-01), Bennett et al.
patent: 3671380 (1972-06-01), Ali et al.
Morey, G. W., The Properties of Glass, Second Edition, Reinhold Publishing Corp., 1954, p. 235.

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