Patent (Patents)
Radiation-curing binders and a process for their preparation
Weikard, Jan; Greszta-Franz, Dorota; Fischer, Wolfgang et al.
2006
 

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Detrembleur C 2006 Patent JP 2006097021 A.pdf
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Abstract :
[en] PROBLEM TO BE SOLVED: To provide a process for preparing a binder which contains (1) an allophanate group, (2) a group that reacts with an ethylenically unsaturated compound with polymerization on exposure to actinic radiation (radiation-curing group) and (3) optionally an NCO-reactive group; and to provide the binder obtained by the process. ; SOLUTION: The process comprises reacting at a temperature <=130[deg.]C, (A) one or more NCO-functional compounds containing uretdione groups with (B) one or more compounds that contain isocyanate-reactive groups and radiation-curing groups and then (C) with one or more saturated hydroxy-containing compounds other than (B), at least one of these compounds having an OH functionality of >=2, in the presence of (D) a catalyst containing one or more zinc compounds, the reaction with compounds (C) taking place at least proportionally with the formation of allophanate groups.
Disciplines :
Chemistry
Materials science & engineering
Inventor :
Weikard, Jan
Greszta-Franz, Dorota
Fischer, Wolfgang
Schmitz, Joerg
Mundstock, Holger
Detrembleur, Christophe ;  Bayer AG
Title (54) :
Radiation-curing binders and a process for their preparation
Publication date (43-45) :
13 April 2006
Filing date (22) :
09 September 2005
Patent/publication number (10-11) :
JP 2006097021
Patent status (13) :
A
Priority number (30) :
DE200410043538 20040909
International classification (IPC) (51) :
C08F299/06; C08G18/67; C09D175/14; C09D4/00
European classification (ECLA) (52) :
C08G18/67B4; C08G18/78B4K; C08G18/79K; C08G18/80B3D; C08G18/81K3B2; C09D175/14; C09D175/16
Applicant (71) :
Bayer AG
Publication organism (19) :
Japan
Available on ORBi :
since 16 June 2011

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