Process for the preparation of polyurethane foams

Details Process for the preparation of polyurethane foams Process for the preparation of polyurethane foams

C - Chemistry, Metallurgy

08

G

C08G 18/38 (2006.01) C08G 18/66 (2006.01)

Patent

CA 2252707

A process for the preparation of polyurethane foams by reacting a polyisocyanate composition with an isocyanate-reactive composition under foam- forming conditions, wherein the isocyanate-reactive composition comprises a monofunctional alcohol and an isocyanate-reactive cyclic urea.

L'invention concerne un procédé de préparation de mousses de polyuréthanne par mise en réaction d'une composition polyisocyanate avec une composition apte à réagir avec un isocyanate dans des conditions de formage de mousse, procédé dans lequel la composition apte à réagir avec un isocyanate comprend un alcool monofonctionel ainsi qu'une urée cyclique apte à réagir avec un isocyanate.

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