Polyurea rim systems

Details Polyurea rim systems Polyurea rim systems

C - Chemistry, Metallurgy

08

G

C08G 71/02 (2006.01) C08G 18/50 (2006.01) C08G 18/65 (2006.01) C08G 18/66 (2006.01)

Patent

CA 2055196

Mo3535 MD-90-28-PU POLYUREA RIM SYSTEMS ABSTRACT OF THE DISCLOSURE The present invention is directed to a RIM process and an isocyanate reactive composition for use therein. The isocyanate composition includes an amine terminated chain extender and an aromatic amine terminated polyether of the formula: Image wherein R is an n-valent group obtained by the removal of hydroxyl groups from an n-hydroxy group containing polyhydroxyl compound having a molecular weight of from about 300 to about 12,000, R1 represents hydrogen or an inert substituent, R2 represents hydrogen, an amine group, or an inert substituent, and n represents an integer from 2 to 4. Mo3535

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