C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
6/13, 31/6, 400/
C09K 3/28 (1980.01)
Patent
CA 1131000
ABSTRACT Fire retardant compositions which comprise: a) a solid component selected from the group consisting of monoammonium orthophosphate; diammonium orthophosphate; monoammonium pyrophosphate; diammonium pyrophosphate; triammonium pyrophosphate; tetra-ammonium pyrophosphate; ammonium polyphosphates; ammonium-alkali metal mixed salts of ortho-, pyro- and polyphos- phates; ammonium-alkaline earth metal mixed salts of ortho-, pyro- and polyphosphates; ammonium sulfate; ammonium sulfamate; urea phosphate; phosphoramides and mixtures thereof; b) a liquid component which contains a material selected from the group con- sisting of phosphorus-containing acids and ammonium-containing salts thereof, ammonium polyphosphates, phosphorus-containing esters, ammonium sulfate, ammonium sulfamate and mixtures thereof; and c) a rheological property control agent which imparts thixotropic flow properties to the composition; wherein the weight percentages of said components in the compositions are from about 20 percent to about 70 percent for the solid component, from about 20 per- cent to about 70 percent for the liquid component and from about 0.01 to about 10 percent for the rheological property control agent, and the weight percent of P2O5 and SO3, taken collectively, in the compositions is at least 40 percent.
342599
Mcfadden Fincham
Solutia Inc.
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