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Inorganic matrix compositions and composites incorporating the matrix composition

  • US 6,986,859 B2
  • Filed: 07/21/2004
  • Issued: 01/17/2006
  • Est. Priority Date: 09/20/2000
  • Status: Expired due to Fees
First Claim
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1. A method of making an inorganic silicate composite comprising the steps of:

  • applying an aqueous slurry comprising a mixture of an alkali silicate, a reactive acidic glass, water, and, optionally a clay, or optionally an oxide filler, to a reinforcing media comprising fibers, fabrics, or microspheres, and curing the composite by applying heat at a temperature of about 15°

    C. up to about 1000°

    C. and a pressure range from a vacuum from about ambient to about 10

    3
    torr, and/or external pressure from about ambient to about 20,000 psi.

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