Acrylated urethanes, processes for making the same and...

C - Chemistry – Metallurgy – 08 – G

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C08G 18/10 (2006.01) C08F 290/06 (2006.01) C08G 18/62 (2006.01) C09D 175/04 (2006.01)

Patent

CA 2691581

The present invention is directed to acrylated urethanes including the reaction product of: (1)(a) at least one urethane having at least two isocyanate groups and at least one acrylate group; and (b) at least one alcohol compound having at least two hydroxyl groups; or (2)(a) at least one isocyanate functional urethane which is the reaction product of at least one alcohol compound selected from the group consisting of amino alcohols, thioether alcohols, phosphino alcohols and mixtures thereof and at least one polyisocyanate; and (b) at least one hydroxy-functional material having at least one acrylate group; curable compositions including the same and processes for making the same.

La présente invention concerne des uréthanes acrylés comprenant le produit de la réaction entre (1)(a) au moins un uréthane ayant au moins deux groupes isocyanate et au moins un groupe acrylate; et (b) au moins un composé alcool ayant au moins deux groupes hydroxyle; ou (2) (a) au moins un uréthane à groupe fonctionnel isocyanate qui est le produit de la réaction entre au moins un composé alcool choisi dans le groupe constitué par des alcools à fonction amino, des alcools à fonction thioéther, des alcools à fonction phosphino et des mélanges de ceux-ci et au moins un polyisocyanate; et (b) au moins une substance à groupe fonctionnel hydroxy ayant au moins un groupe acrylate. L'invention concerne également des compositions durcissables comprenant lesdits uréthanes et des procédés pour les fabriquer.

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