C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 229/00 (2006.01) C08G 18/09 (2006.01) C08G 18/79 (2006.01) C09D 175/04 (2006.01)
Patent
CA 2491050
The invention relates to novel compounds containing uretdion groups, a method for the production thereof by dimerization of aliphatic and/or cycloaliphatic isocyanates with exclusively secondary and/or tertiary bonded isocyanate groups and the use of uretdion polyisocyanates obtained according to said method from diisocyanates with exclusively secondary and/or tertiary bonded isocyanate groups as starting components for polyurethane plastics, especially as isocyanate components for the production of uretdion coating powder cross- linking agents.
La présente invention concerne de nouveaux composés présentant des groupes urétdione, un procédé pour les préparer par dimérisation d'isocyanates aliphatiques et/ou cycloaliphatiques comportant des groupes isocyanate à liaison exclusivement secondaire et/ou tertiaire, ainsi que l'utilisation de polyisocyanates à groupes urétdione obtenus à partir de diisocyanates comportant des groupes isocyanate à liaison exclusivement secondaire et/ou tertiaire, issus du procédé, en tant que composés initiaux pour des matières plastiques polyuréthane, notamment en tant que composés d'isocyanate pour la préparation d'agents de réticulation de peinture en poudre à groupes urétdione.
Halpaap Reinhard
Koecher Jurgen
Laas Hans-Josef
Richter Frank
Bayer Materialscience Ag
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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