Process for preparing highly porous glass-ceramic molded parts

Details Process for preparing highly porous glass-ceramic molded parts Process for preparing highly porous glass-ceramic molded parts

1988-06-13

1991-05-14

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 11, 264 65, F27B 904, F27B 910

Patent

active

050156055

ABSTRACT:
The invention relates to a process for preparing highly porous glass-ceramic molded parts having carbon atoms linked to silicon atoms, which comprises reacting a molded part, containing an organopolysiloxane which is solid at room temperature, and consists of units of the formula ##STR1## where R is a radical selected from the formulas ##STR2## and is linked via a single silicon-silicon bonded, in a non-oxidizing atmosphere or in vacuo at temperatures ranging from 700.degree. to 1300.degree. C.

REFERENCES:
patent: Re32107 (1986-04-01), January
patent: 4640901 (1987-02-01), Lee et al.
patent: 4686124 (1987-08-01), Onohara et al.
patent: 4705837 (1987-11-01), Seyfetive et al.
patent: 4789389 (1988-12-01), Schermerhorn et al.
patent: 4814231 (1989-03-01), Onohara et al.
patent: 4818732 (1989-04-01), Fox et al.
patent: 4828588 (1989-05-01), Hwang et al.
patent: 4834721 (1989-05-01), Onohara et al.

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