Isocyanate terminated polycaprolactone polyurethane prepolymers

Details Isocyanate terminated polycaprolactone polyurethane prepolymers Isocyanate terminated polycaprolactone polyurethane prepolymers

C - Chemistry, Metallurgy

08

G

C08G 18/12 (2006.01) C08G 18/42 (2006.01) C08G 18/66 (2006.01) C08G 18/76 (2006.01)

Patent

CA 2662361

Disclosed are improved isocyanate-terminated polycaprolactone polyurethane prepolymers comprising the reaction product of toluene diisocyanate and polyol compositions. Polyurethane elastomers with good physical and dynamic properties can be obtained by reacting the isocyanate-terminated polycaprolactone prepolymers of the invention with an amine chain extender.

L'invention concerne des prépolymères de polyuréthane polycaprolactone à terminaison isocyanate comprenant le produit issu d'une réaction entre des compositions de diisocyanate de toluène et de polyol. Des élastomères de polyuréthane présentant de bonnes propriétés physiques et dynamiques peuvent être obtenus si l'on fait réagir les prépolymères de polycaprolactone à terminaison isocyanate de l'invention avec un allongeur de chaîne amine.

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