Exposing carboxyl polymer-polyepoxide powder to amine for powder coating

   
   

A process for preparing a heat curable powder coating composition comprises exposing a powder comprising a carboxyl-functional polymer and a polyepoxy compound to an amine selected from the group consisting of organic amines and ammonia under mild conditions, particularly temperatures of between -30.degree. C. and 50.degree. C.

Un procedimento per la preparazione della composizione ricoprente nella polvere curabile di calore contiene esporre una polvere che contiene un polimero carbossilico-funzionale e un residuo di polyepoxy ad un'ammina scelta dal gruppo che consiste delle ammine e dell'ammoniaca organiche nelle condizioni miti, specialmente temperature tra compreso -30.degree. C. e 50.degree. C.

 
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