Inorganic matrix compositions, composites and process of...

Details Inorganic matrix compositions, composites and process of... Inorganic matrix compositions, composites and process of...

2005-05-31

2005-05-31

Marcantoni, Paul (Department: 1755)

Plastic and nonmetallic article shaping or treating: processes

Vacuum treatment of work

C264S234000, C264S333000, C264S621000, C264S640000, C264S641000, C264S642000

Reexamination Certificate

active

06899837

ABSTRACT:
A modified alkali silicate composition for forming an inorganic network. The modified alkali silicate matrix is made by reacting an alkali silicate (or its precursors such as an alkali hydroxide, a SiO2source and water), an acidic oxoanionic compound such as phosphoric acid, water and optionally one or more multivalent cation(s) selected from Groups 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 or 16 of the periodic table such as an alkaline earth salt, water and optional processing aids. An inorganic matrix composite can be prepared by applying a slurry of the modified aqueous alkali silicate composition to a reinforcing medium and curing the composite at a temperature from about 15° C. up to 1000° C. and a pressure of up to 20,000 psi for typical high-performance organic polymer processing (temperatures about 15° C. to about 200° C. and pressures <200 psi). The composite can be shaped by compression molding as well as other known fabrication methods.

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