Coating compositions prepared from michael adducts

Details Coating compositions prepared from michael adducts Coating compositions prepared from michael adducts

C - Chemistry, Metallurgy

09

D

402/141, 402/522

C09D 175/04 (2006.01) C08G 18/10 (2006.01) C08G 18/32 (2006.01) C08G 18/80 (2006.01) C08G 18/83 (2006.01) C09D 161/00 (2006.01)

Patent

CA 1334555

A coating composition contains; A. an ungelled Michael adduct formed by reacting, under conditions sufficient to form a Michael adduct, (a) a material containing one or more primary and/or secondary amino groups; (b) a material containing at least two alpha,beta-ethylenic- ally unsaturated moieties; with the proviso that the reactants (a) and (b) are selected such that the resultant Michael adduct contains hydroxyl functionality; and B. a curing agent adapted to crosslink with the hydroxyl functionality present on the Michael adduct; said adduct being stable under the curing conditions for the coating composition. The aforedescribed coating compositions are particularly useful as anti-chip primers.

570030

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