Reference : Low viscosity allophanates containing actinically curable groups
Patent : Patent
Physical, chemical, mathematical & earth Sciences : Chemistry
Engineering, computing & technology : Materials science & engineering
http://hdl.handle.net/2268/133237
Low viscosity allophanates containing actinically curable groups
English
Weikard, Jan [Bayer AG > > > >]
Detrembleur, Christophe mailto [Bayer AG > > > >]
Greszta-Franz, Dorota [Bayer AG > > > >]
Richter, Frank [Bayer AG > > > >]
Fischer, Wolfgang [Bayer AG > > > >]
Schmitz, Jörg [Bayer AG > > > >]
Mundstock, Holger [Bayer AG > > > >]
26-May-2011
2011-01-27
United States Patent
US 2011124805
US201113015118 20110127; DE200410043540 20040909; US20050217207 20050901
A
USA
Bayer AG
C07D251/04; C08L75/12
C08G18/67B4; C08G18/78B4K; C08G18/79K; C08G18/81K3B2; C09D175/14; C09D175/16
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[en] The present invention relates to a process for preparing radiation-curing binders containing allophanate groups by reacting at temperatures of !<=130 DEG C. A) one or more compounds containing uretdione groups with B) one or more OH-functional compounds which contain groups which react, with polymerization, with ethylenically unsaturated compounds on exposure to actinic radiation (radiation-curing groups), C) optionally NCO-reactive compounds other than B), in the presence of D) a catalyst containing at least one zinc compound, to form allophanate groups by opening the uretdione ring. The present invention also relates to the binders obtained by the process of the invention and to coating compositions containing these binders.
Researchers
http://hdl.handle.net/2268/133237
http://worldwide.espacenet.com/publicationDetails/biblio?CC=US&NR=2011124805A1&KC=A1&FT=D&ND=3&date=20110526&DB=EPODOC&locale=en_be

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