C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/36 (2006.01) C08G 18/08 (2006.01) C08G 18/12 (2006.01) C08G 18/32 (2006.01) C08G 18/34 (2006.01) C08G 18/42 (2006.01) C08G 18/66 (2006.01) C09D 175/14 (2006.01)
Patent
CA 2649376
A two-pack coating composition comprising curing agents selected from the group consisting of non-blocked polyfunctional isocyanates I, polyaziridines Z, and carbodiimides Y, and an aqueously dispersed polyurethane U wherein the polyurethane U comprises building blocks derived from hydroxyl group containing unsaturated fatty acids B21, a process for the production of the polyurethane U, and a method of use thereof in combination with the said curing agents in preparing coating compositions which are particularly useful for wood.
Composition de revêtement à deux composants comprenant des agents de réticulation sélectionnés dans le groupe composé d'isocyanates I polyfonctionnels non bloqués, de polyaziridines Z et de carbodiimides Y, et un polyuréthane U en dispersion aqueuse. Le polyuréthane U comprend des synthons dérivés du groupe hydroxyle contenant des acides gras insaturés B21. L'invention concerne aussi un processus pour la production du polyuréthane U et un procédé d'utilisation de celui-ci en combinaison avec lesdits agents de réticulation dans la préparation de compositions de revêtement qui sont particulièrement utiles pour le bois.
Arzt Anton
Dellinger Susanne
Gsoell Hannelore
Petritsch Gerlinde
Schafheutle Markus
Cytec Surface Specialties Austria Gmbh
Fetherstonhaugh & Co.
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