C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 207/416 (2006.01) C08G 18/00 (2006.01)
Patent
CA 2553343
The present invention relates to novel aspartates, their method of production and the use of these aspartates as reactive components for polyisocyanates in two-component polyurethane coating compositions and for preparing polyurethane prepolymers. The aspartates are prepared by first reacting a di- or polyamine with an unsaturated ester and then reacting the resultant product with a maleimide.
La présente invention concerne de nouveaux aspartates, leur méthode de production et leur utilisation comme constituants de réaction des polyisocyanates présents dans des compositions de revêtement de polyuréthane à deux constituants séparés, et pour préparer des prépolymères de polyuréthane. Les aspartates de l'invention sont préparés d'abord par réaction d'un di- ou polyamine avec un ester insaturé, puis par réaction du produit obtenu avec un maléimide.
Danielmeier Karsten
Gambino Charles A.
Gertzmann Rolf
Henderson Karen M.
Roesler Richard R.
Bayer Materialscience Aktiengesellschaft
Bayer Materialscience Llc
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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