Fire-retardant composition

Details Fire-retardant composition Fire-retardant composition

1990-10-26

1991-12-10

Dixon, Jr., William R.

Compositions: coating or plastic

Coating or plastic compositions

Contains fireproofing or biocidal agent

106 1826, 106 1827, 428921, C09D 518, C09K 2102

Patent

active

050714783

ABSTRACT:
A coating composition suitable for application to a substrate for curing thereon to form a fire-retardant coating, comprising in combination an aqueous emulsion containing a mixture of sulfate of ammonia, hydrate alumina and zinc borate. The dry weight of the mixture is in the range between 35 to 45 parts to one hundred parts of the composition. The dry weight ratio of sulfate of ammonia to hydrated alumina in the mixture is not less than 4.5 to 1. The dry weight ratio of hydrated alumina to zinc borate in the mixture is about equal.

REFERENCES:
patent: 2381487 (1945-08-01), Cook et al.
patent: 3718615 (1973-02-01), Woods et al.
patent: 4132655 (1979-01-01), Draganov

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