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Process for the preparation of a dispersao polimerica free aqueous alquidicos' and their dispersao polimerica free aqueous alquidicos'

机译:制备无分散的波美利坚的含水alquidicos'的方法和它们的分散的无波美利坚的含水alquidicos'

摘要

A non-aqueous dispersion suitable for modifying alkyd-containing coating formulations and a method for manufacturing the non-aqueous dispersion are provided. The non-aqueous dispersion contains from about 10 to about 60 parts by weight of a low molecular weight solution polymer, having a selected glass transition temperature no less than about -10 DEG C, and from about 90 to about 40 parts by weight of a polymer which is insoluble in the non-aqueous medium, and where the soluble polymer is attached to or adsorbed onto the insoluble polymer particles. The non-aqueous dispersion is preferably prepared by dispersion polymerization to form the insoluble polymer in a non-aqueous medium in the presence of the soluble polymer.
机译:提供了适用于改性含醇酸的涂料制剂的非水分散体和制造该非水分散体的方法。该非水分散体包含约10至约60重量份的低分子量溶液聚合物,其选择的玻璃化转变温度不低于约-10℃,和约90至约40重量份的低分子量溶液聚合物。聚合物,其不溶于非水介质,并且可溶性聚合物附着或吸附在不溶性聚合物颗粒上。非水分散液优选通过在可溶性聚合物的存在下在非水介质中进行分散聚合而形成不溶性聚合物的方法来制备。

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