C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/08 (2006.01) C08G 18/22 (2006.01) C08G 18/80 (2006.01) C09D 5/44 (2006.01)
Patent
CA 2618219
A urethane coating is formed by a reaction of a hydroxy-functional resin and a blocked isocyanate crosslinker. A method of catalyzing this reaction includes forming a polymeric ligand from the resin and/or the crosslinker. The method also includes incorporating a metal catalyst with the polymeric ligand to complex the metal catalyst with the polymeric ligand. The method further includes reacting resin and the crosslinker to form the urethane coating.
L'invention concerne un revêtement d'uréthane formé par réaction d'une résine à fonction hydroxy et d'un agent de réticulation isocyanate bloqué. L'invention concerne également un procédé de catalyse de cette réaction comprenant la formation d'un ligand polymérique à partir de la résine et/ou de l'agent de réticulation. Le procédé comprend également l'incorporation d'un catalyseur métallique avec le ligand polymérique pour complexer le catalyseur métallique avec le ligand polymérique. Le procédé comprend en outre la réaction de la résine et de l'agent de réticulation pour former le revêtement uréthane.
December Timothy
Grosse-Brinkhaus Karl-Heinz
Ortiz Cesar G.
Ott Guenter
Reuter Hardy
Basf Corporation
Robic
LandOfFree
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