C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/72 (2006.01) C07C 271/16 (2006.01) C08G 18/10 (2006.01) C08G 18/38 (2006.01) C08G 18/42 (2006.01) C08G 18/44 (2006.01) C08G 18/48 (2006.01) C08G 18/79 (2006.01) C09D 175/04 (2006.01)
Patent
CA 2345019
Hydroxy functional urethane compounds comprising the reaction product of a hydroxy functional urethane intermediate with a compound having at least 2 isocyanate groups, wherein the intermediate is represented by the formula: (see formula I) wherein R1 and R2 = hydrogen, alkyl, cycloalkyl or a residue R6-O- or R6-CO-O- with R6; R6 = an alkyl, cycloalkyl or benzylic group having up to 18 carbon atoms; R4 and R5 = hydrogen or alkyl group containing eventually a hydroxyl group; and R3 = alkyl, cycloalkyl or benzylic group eventually containing an ether linkage and/or a hydroxyl group, or HO-CH(R1)-CH(R2)-; and is prepared by reaction of a cyclic 5-ring carbonate with a beta-hydroxy functional, secondary amine. The hydroxy functional urethanes are useful in paints and coatings, particularly for automotive applications.
Bennett Jones Llp
E. I. Du Pont de Nemours And Company
LandOfFree
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