C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 233/78 (2006.01) C08G 18/10 (2006.01) C08G 18/38 (2006.01) C08G 18/80 (2006.01) C08G 73/06 (2006.01)
Patent
CA 2172579
The present invention relates to hydroxy-functional polyhydantoin prepolymers corresponding to the formula Image (I) wherein R represents the residue obtained by removing the isocyanate groups from an organic monomeric diisocyanate, a polyisocyanate adduct or an NCO prepolymer containing hydantoin groups, R2 represents an organic group which is inert towards isocyanate groups at a temperature of 100°C or less, R3 and R4 may be identical or different and represent hydrogen or organic groups which are inert towards isocyanate groups at a temperature of 100°C or less, R5 represents the hydrocarbon radical obtained by removing the amino and hydroxyl groups from an amino alcohol, n has a value of 1 to 3 and m has a value of 2 to 6. The present invention is also directed to compositions suitable for the production of coatings, adhesives or elastomers containing these polyhydantoin prepolymers in combination with optionally blocked polyisocyanates or aminoplast resins.
Gindin Lyuba K.
Jonsson E. Haakan
Wicks Douglas A.
Yeske Philip E.
Corporation Bayer
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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