Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1991-04-19
1993-09-14
Ryan, Patrick J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428245, 428246, 428273, 428285, 428224, 428408, 428447, 428902, 156 89, 156155, 156296, D03D 300
Patent
active
052447200
ABSTRACT:
A protective layer for polymeric composite substrates comprises a fiber-reinforced glass composite having a refractory fiber in a matrix of a black glass ceramic having the empirical formula SiCxOy where x ranges from about 0.5 to about 2.0, preferably 0.9 to 1.6 and y ranges from about 0.5 to 3.0, preferably 0.7 to 1.8. The black glass ceramic is derived from cyclosiloxane monomers containing a vinyl group attached to silicon and/or a hydride-silicon group.
REFERENCES:
patent: 3944519 (1976-03-01), Mink et al.
patent: 4234713 (1980-11-01), LeGrow
patent: 4460638 (1984-07-01), Haluska
patent: 4460639 (1984-07-01), Chi et al.
patent: 4460640 (1984-07-01), Chi et al.
Prewo et al., "Fiber Reinforced Glasses and Glass-Ceramics for High Performance Applications", Ceramic Bulletin, vol. 65, No. 2 (1986) pp. 305-313.
Gonczy Stephen T.
Groppi David P.
Leung Roger Y.
Yuhas Donald E.
Allied-Signal Inc.
Boldingh Mary Jo
Fuchs Gerhard H,.
Ryan Patrick J.
Weisberger Richard
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