Method of making non-flammable thermal insulatiion foam and...

Details Method of making non-flammable thermal insulatiion foam and... Method of making non-flammable thermal insulatiion foam and...

2006-05-04

2010-06-29

Eashoo, Mark (Department: 1796)

Compositions

Fire retarding

Intumescent

C428S446000

Reexamination Certificate

active

07744783

ABSTRACT:
The present invention is directed to a method of preparing non-flammable thermal insulation foam, comprising the steps of (a) providing a mixture comprising (1) at least one water soluble alkali metal silicate, (2) optionally, at least one filler, and (3) at least one inorganic material which releases non-flammable gases when exposed to heat; (b) applying the mixture to a support or mold; and (c) heating the mixture to form the non-flammable thermal insulation foam.

REFERENCES:
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patent: 4748066 (1988-05-01), Kelly et al.
patent: 4765885 (1988-08-01), Sadeghi et al.
patent: 4803022 (1989-02-01), Barrell et al.
patent: 4835054 (1989-05-01), Scarpa
patent: 4871477 (1989-10-01), Dimanshteyn
patent: 4888057 (1989-12-01), Nguyen et al.
patent: 5035951 (1991-07-01), Dimanshteyn
patent: 5094780 (1992-03-01), von Bonin
patent: 7045080 (2006-05-01), Youngs
PQ Corporation Bulletin 12-31, “Bonding and Coating Applications of PQ®Soluble Silicates”, PQ Corporation, Industrial Chemicals Division (2006).

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