C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 251/34 (2006.01) C08G 18/02 (2006.01) C08G 18/79 (2006.01) C09D 175/04 (2006.01)
Patent
CA 2211274
The present invention is directed to a polyisocyanate containing a) polyisocyanates containing isocyanurate groups and corresponding to formula 1 (see formula 1) wherein R represents the residue obtained by removing one of the isocyanate groups from 4-isocyanantomethyl-1,8 octamethylene diisocyanate, optionally in admixture with b) unreacted 4-isocyanantomethyl-1,8-octamethylene diisocyanate, c) higher homologs of the polyisocyanates set forth in formula 1 containing more than one isocyanurate group and d) a polyisocyanate containing allophanate groups. The present invention also relates to the use of these polyisocyanate mixtures, optionally in blocked form, as an isocyanate component in one- or two-component coating compositions.
Corporation Bayer
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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