Intumescent flame-retardant coating compositions

Details Intumescent flame-retardant coating compositions Intumescent flame-retardant coating compositions

C - Chemistry, Metallurgy

09

D

403/55, 403/67,

C09D 5/18 (2006.01) C08K 3/32 (2006.01)

Patent

CA 1041685

ABSTRACT OF THE DISCLOSURE Production of intumescent flame-retardant coating compositions which substantially contain a film-forming binder, an ammonium polyphosphate, one or more substances carbonizing under the action of heat, dispersing agents and fillers, if desired. The compositions contain more particularly an ammonium polyphosphate of the general formula: H(n-m)+2(NH4)mPnO3n+1 in which n stands for a whole number averaging a value of more than 400 up to about 800 and the ratio of m:n is about 1.

214621

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