Preparation of urea condensates and of heat-curable surface...

Details Preparation of urea condensates and of heat-curable surface... Preparation of urea condensates and of heat-curable surface...

C - Chemistry, Metallurgy

08

G

402/169

C08G 12/42 (2006.01) C08G 12/46 (2006.01) C08G 71/02 (2006.01) C09D 5/00 (2006.01)

Patent

CA 1252246

ABSTRACT OF THE DISCLOSURE: A process for the preparation of urea conden- sates and the preparation of heat-curable surface coat- ings. To prepare these urea condensates, primary di- and/or polyamine is reacted with urea, a secondary mono- amine and a polyalcohol which contains certain groups at elevated temperatures and in the presence or absence of a catalyst, and the ammonia formed is separated off. These urea condensates are suitable as binder components in heat-curable surface coatings, in particular for heat- curable cathodic electrocoating finishes.

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