Liquid two-component coating compositions

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

1997-05-12

1999-01-05

Gulakowski, Randy

Coating processes

With post-treatment of coating or coating material

Heating or drying

428413, 428414, 4284231, 523403, 523414, 523415, 525504, 525507, 525523, 525524, 528 93, 528111, 528120, 528368, 528121, 528393, D02G 300

Patent

active

058559612

ABSTRACT:
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 product preferably 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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patent: 5235007 (1993-08-01), Alexander et al.
patent: 5369190 (1994-11-01), Honing et al.
patent: 5677006 (1997-10-01), Hoenel et al.

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