C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 233/78 (2006.01) B41M 1/06 (2006.01) C08G 18/46 (2006.01) C09D 175/00 (2006.01)
Patent
CA 2174195
The invention relates to a thermoreversible process for the preparation of a hydantoin comprisng (a) reacting an unsaturated polyester with a monofunctional amine to yield a poly(ester aspartate), and (b) reacting said poly(ester aspartate) with an isocyanate to produce a poly(ester urea), and (c) heating said poly(ester urea) to form a hydantoin compound. The process is useful for the preparation of coatings.
Jonsson Erik Haakan
Pielartzik Harald
Wicks Douglas A.
Yeske Philip E.
Corporation Bayer
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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