Curing Reactions of Melamine-Acrylic Coatings II:Influence of the Methacrylic Acid Content in the Methacrylic Copolymers to the Crosslinking Reaction

概要

論文の詳細を見る
In the previous report, authors discussed the mechanisms involved in the cross-linking reaction of methacrylic copolymers with melamine resins in terms of the rate of reaction determined for the cross-link density, and it was pointed out that the apparent activation energies for the cross-linking reaction depended on the melamine resin (hexakis methoxy-methyl melamine) content.<BR>In this study, authors examined that the activation energies depended also on the ratio of methacrylic acid to methacrylic ester in the backbone polymer.<BR>These findings suggest that the segments of the methacrylic copolymer chains which contain reactive carboxyl groups are the important ones; it can be considered that the diffusive motion of these segments might determine the rate of cross-linking reaction.
Japan Society of Colour Materialの論文