PROCEDIMIENTO PARA LA PREPARACION DE AGLUTINANTES AUTO-RETICULANTES PARA ESMALTES Y BARNICES DE ELECTRO-INMERSION PRECIPITABLES CATODICAMENTE

摘要

Self-crosslinking coating compositions which are cathodically deposited on electrodeposition of paints containing the coating compositions and a process for producing aqueous solutions of the self-crosslinking coating compositions by acid neutralization are described. The coating compositions are the reaction products of a resin carrying amine groups and hydroxyl or carboxyl groups, and the reaction product carrying one free isocyanate group of a polyisocyanate and at least one ethylenically unsaturated monomer having at least one isocyanate reactive hydrogen atom and the group The cathodically depositable electrodeposition paints cure rapidly at relatively low temperatures to provide films which are highly resistant to corrosive influences.