C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/80 (2006.01) C09D 175/04 (2006.01) C09J 175/04 (2006.01)
Patent
CA 2528211
The present invention relates to blocked polyisocyanates containing at least one radiation-curable groups and at least one structural unit of the formula (II) (see formula II) wherein R1, R2 and R3 independently of one another are hydrogen or a C1-C4 alkyl radical or a cycloalkyl radical, R4 is a C1-C4 alkyl, C6-C10 cycloalkyl or C7-C14 aralkyl radical and x is an integer from 1 to 5. The present invention also relates to a process for preparing these blocked polyisocyanates and to dual-cure coating, adhesive or sealant compositions containing these polyisocyanates.
Guertler Christoph
Mechtel Markus
Weikard Jan
Yuva Nusret
Bayer Materialscience Ag
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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