Liquid two-component coating compositions

Details Liquid two-component coating compositions Liquid two-component coating compositions

C - Chemistry, Metallurgy

09

D

C09D 163/00 (2006.01) B05D 1/36 (2006.01) C08G 59/50 (2006.01) C08G 71/00 (2006.01) C08G 71/04 (2006.01) C09D 175/04 (2006.01)

Patent

CA 2138749

This invention relates to coating compositions including one or more resins having amino-reactive groups; one or more polyamine curing agents; and one or more aminourethanes. The aminourethanes can be reaction products of (i) oligomeric or polymeric compounds which contain at least one, preferably two or more terminal 2-oxo-1,3-dioxolane groups (cyclic carbonate groups), and (ii) amines containing at least one primary, preferably two or more primary and, if desired, also secondary and tertiary amino groups. The ratios of equivalents of C1):C2) typically is from 1:1 to 1:10, preferably from 1:1.05 to 1:5 and particularly preferably from 1:1.1 to 1:2, and the end productpreferably contains one or more free primary amino groups. The composition further may contain, if desired, pigments, fillers, one or more organic solvents, water and conventional additives.

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