Polyimine/polyisocyanate coating composition

   
   

A coating composition having excellent cure at ambient conditions and comprising (i) at least one imine, (ii) a polyisocyanate having an average of at least two isocyanate groups per molecule, (iii) at least one polyaspartic ester, and (iv) an isocyanate functional urethane; wherein the coating composition is substantially free of hydroxy functionality. Coatings produced from the coating composition of this invention exhibit superior performance on flexible substrates.

Una composición de capa que tiene curación excelente en las condiciones ambiente y que abarca (i) por lo menos un imina, (ii) un polyisocyanate que tiene un promedio por lo menos de dos grupos del isocianato por la molécula, (iii) por lo menos un éster polyaspartic, y (iv) un urethane funcional del isocianato; en donde la composición de capa está substancialmente libre de funcionalidad hydroxy. Las capas produjeron de la composición de capa de este funcionamiento superior del objeto expuesto de la invención en los substratos flexibles.

 
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