Moldable and low-temperature cure high-temperature composites

Details Moldable and low-temperature cure high-temperature composites Moldable and low-temperature cure high-temperature composites

2007-03-26

2010-12-21

Johnson, Christina (Department: 1791)

Plastic and nonmetallic article shaping or treating: processes

Outside of mold sintering or vitrifying of shaped inorganic...

Producing fiber containing article or fiber

C264S257000, C264S258000, C264S279000, C264S279100, C264S681000, C264S333000, C501S095200, C501S153000, C501S154000, C501S125000, C501S128000, C501S133000

Reexamination Certificate

active

07854882

ABSTRACT:
A method for preparing a high-temperature heat-resistant composite material by combining a mixture of submicron alumina powder and submicron silica powder, wherein the ratio of alumina to silica is from about 4:1 to about 5:1, submicron Group II metal oxide powder, and a Group I metal silicate solution to form a slurry, wherein the weight of the Group II metal oxide powder is an amount corresponding to about 5% to about 10% of the weight of the silicate solution; contacting reinforcing high-temperature resistant fibers with the slurry to form a composite precursor composition; and curing the composition at a temperature sufficient to produce the high-temperature heat-resistant composite material capable of resisting temperatures up to about 1400° C. Composite materials prepared according to the method and articles incorporating the material are also presented.

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