Fire-retardant adhesive
AssigneeNational Gypsum Company
InventorWesley W. Bath
Life of this patent
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Abstract
A stable adhesive composition containing primarily a styrene-butadiene binder, calcium sulfate dihydrate as a combination filler and fire-retardant, a nonionic wetting agent and a non-phosphate sequestering agent.
Claims2
A wet adhesive composition comprising a styrene-butadiene latex aqueous emulsion, a finely ground calcium sulfate dihydrate fire-retardant filler, a minor quantity of sodium glucoheptonate sequestering agent, a minor quantity of sodium polyacrylate thickener, and a minor quantity of a nonionic surface active agent, said nonionic surface active agent being present in a ratio of about 1 part for each 100 parts styrene-butadiene latex aqueous emulsion.
Dependencies are inferred from the claim text.