Extended isocyanurates for use as curing agents in coating...

Details Extended isocyanurates for use as curing agents in coating... Extended isocyanurates for use as curing agents in coating...

C - Chemistry, Metallurgy

09

D

C09D 175/04 (2006.01) B05D 1/36 (2006.01) C07D 251/34 (2006.01) C08G 12/40 (2006.01) C08G 18/38 (2006.01) C08G 18/80 (2006.01) C08K 5/3492 (2006.01) C09D 161/20 (2006.01) C09D 201/02 (2006.01)

Patent

CA 2139378

Compounds are prepared from trifunctional isocyanurates by first reacting the isocyanurate with water, monohydric alcohol, diol or diamine. This isocyanurate is subsequently reacted to form a carbamate substituted compound, having the formula: (see above formula) wherein L1, L2, and L3 each independently represents a divalent linking group, and R1 and R2, each independently represents H, alkyl, cycloalkyl, or aryl and R3 is the residue resulting from the reaction of isocyanate and water, monohydric alcohol, diol or diamine. These compounds are useful as crosslinking agents for curable compositions such as coating compositions.

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