Porous sintered glass with large open pore volume

Details Porous sintered glass with large open pore volume Porous sintered glass with large open pore volume

C - Chemistry, Metallurgy

04

B

25/125

C04B 38/00 (2006.01) B01D 39/20 (2006.01) C03C 11/00 (2006.01) C04B 38/04 (2006.01)

Patent

CA 1239530

ABSTRACT OF THE DISCLOSURE The present invention provides a process for the man- ufacture of porous sintered bodies with large open pore volume and defined pore diameter characterized in that a sinterable material in the form of finely ground powder is mixed with a leachable substance which exhibits a melting point higher than the sintering temperature of the sinterable mass, and wherein the leachable substance is in the form of powder of a defined particle size; the mixture of sinterable material and leachable substance is heated to the sintering temperature and maintained there until the sinterable mass is sintered; thereafter the sintered products are cooled and the leachable substance is leached from the sintered product at a temperature under the sintering temperature.

447675

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