High solids thermosetting compositions with dual cure mechanism

Details High solids thermosetting compositions with dual cure mechanism High solids thermosetting compositions with dual cure mechanism

1997-11-12

1999-08-31

Gorr, Rachel

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From reactant having at least one -n=c=x group as well as...

528 85, 525123, 525453, 525456, 525903, 4273855, 4284231, C08G 1863

Patent

active

059454997

ABSTRACT:
Disclosed is a curable coating composition that includes a compound having carbamate functionality of the structure ##STR1## wherein R is H or alkyl, a compound having hydroxyl functionality, a polyisocyanate crosslinking agent, and an aminoplast crosslinking agent. The effective equivalents of the aminoplast crosslinking agent is equal to or less than the equivalents of carbamate functionality and the effective equivalents of polyisocyanate crosslinker is equal to or less than the equivalents of hydroxyl functionality. The carbamate-functional resin and the aminoplast crosslinking agent provide rheology control during the early part of the bake to cure an applied coating of the coating composition.

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