Patent (Patents)
Low viscosity allophanates containing actinically curable groups
Detrembleur, Christophe; Mundstock, Holger; Greszta-Franz, Dorota et al.
2006
 

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Detrembleur C 2006 Patent CA 2518141 A1.pdf
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Abstract :
[en] The present invention relates to a process for preparing radiation-curing binders containing allophanate groups by reacting at temperatures of .ltoreq.130.degree.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.
Disciplines :
Materials science & engineering
Chemistry
Inventor :
Detrembleur, Christophe ;  Bayer AG
Mundstock, Holger
Greszta-Franz, Dorota
Richter, Frank
Schmitz, Jörg
Weikard, Jan
Fischer, Wolfgang
Language :
English
Title (54) :
Low viscosity allophanates containing actinically curable groups
Publication date (43-45) :
09 March 2006
Filing date (22) :
02 September 2005
Patent/publication number (10-11) :
CA 2518141
Patent status (13) :
A
Priority number (30) :
DE200410043540 20040909
International classification (IPC) (51) :
C07C275/60; C07C275/62; C08G18/78; C09D175/04
European classification (ECLA) (52) :
C08G18/67B4; C08G18/78B4K; C08G18/79K; C08G18/81K3B2; C09D175/14; C09D175/16
Applicant (71) :
Bayer AG
Publication organism (19) :
Canadian Intellectual Property Office
Available on ORBi :
since 28 June 2011

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