One component polyurea coating

Details One component polyurea coating One component polyurea coating

C - Chemistry, Metallurgy

09

D

C09D 175/02 (2006.01)

Patent

CA 2242132

A new one-component polyurea coating composition which is curable at ambient temperature and comprises, a quasi-prepolymer isocyanate, having an NCO content of about 7 to about 30, a polyamine resin component in the form of a Schiff base blocked amine dispersed throughout the isocyanate, and said composition being formulated at an index between about 100 to 160, and wherein the composition is moisture insensitive, and no catalyst is required to effectuate curing.

Nouvelle composition de revêtement de polyurée à un seul constituant, réticulable à température ambiante et comprenant un isocyanate de type quasi-prépolymère, avec une teneur en NCO d'environ 7-30, une résine de polyamine sous forme d'amine bloquée par une base de Schiff, dispersée dans l'ensemble de l'isocyanate; ladite composition est formulée à un indice se situant dans une plage de 100-160; la composition n'est pas sensible à l'humidité, et sa réticulation ne requiert aucun catalyseur.

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