Cyanourea compounds

Details Cyanourea compounds Cyanourea compounds

C - Chemistry, Metallurgy

08

G

402/168, 260/540

C08G 71/02 (2006.01) C08G 18/10 (2006.01) C08G 18/38 (2006.01)

Patent

CA 1197258

CYANOUREA COMPOUNDS Abstract of the Disclosure This invention relates to novel cyanourea compounds of the formula: Image wherein R is the organic moiety of a polyisocyanate remaining after reaction of the isocyanate groups to form cyanourea groups and n is at least 2. The compound can be polymerized at room temperature to form a polymer having the recurring structural formula: Image i. e., N,N'-biscarbamyl-N-cyanoguanidine units connected together through the R group of the carbamyl moiety and m is greater than 2, or can be cured to a thermoset material on heating above 90°C. -1-

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