メラミン樹脂に関する研究-6-メチロール化度を異にしたメチル化メチロールメラミンの性質および水溶液アルキド樹脂塗料への応用

概要

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With regard to the methylated methylolmelamine produced by the reaction of methylolmelamine having different methylolation degree (tri-, tetra-, and hexa-methylolmelamine) with methanol catalyzed by an acid, the analyses of the functional groups, the solubility into various solvents, and the thermal property were investigated ; then its reaction mechanism was proposed.<BR>Next, the water soluble alkyd resin paint by the use of the methylated methylolmelamine as a cross-linking agent was investigated. As a main result, it was found that the increase of the viscosity decreases markebly, and the storage stability increases remarkably with increasing methylolation degree ; moreover, the effect of the solvents upon the increase of the viscosity, and the effect of the methylolation degree upon the hardness and flexibility after baking were tested.
色材協会の論文