PROCESS FOR PREPARING BLACK GLASS USING CYCLOSILOXANE PRECURSORS. DIELECTRIC PROPERTIES
Assignee
ALLIED-SIGNAL INC.
Filed
Sep 21, 1990
Granted
Jul 27, 1993
Location
SCHAUMBURG IL US
Abstract
A process for preparing an oxidation resistant black glass having the empirical formula SiCx Oy, wherein 0<x≦2.0 and 0<y≦2.2. The process comprises reacting cyclosiloxane monomers to effect the bonding of one vinyl carbon atom to a silicon, curing the product at not greater than 250° C., and pyrolyzing at about 800°-1400° C. in an atmosphere containing a sufficient amount of oxygen to reduce the carbon content of the black glass to a desired level.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Apr 6, 1992
Rescinded
Dec 1, 1992
Duration
7 months
Inventor
- 1ROGER YU-KWAN LEUNG
Record Details
- Patent number
- US 5231059
- Application
- 07586632
- Aerospace match
- No
- Dataset source
- 35 USC §181 SO records
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