The present invention relates to an aqueous dispersion comprising dispersed particles of an acrylic copolymer having a volume average particle size diameter (d50) of from 1 to 50 μm (microns), wherein the aqueous dispersion further comprises (i) an acrylic copolymer dispersant having an alkaline solubility higher than 50 wt. %, and being present in the dispersion in an amount of from 10 to 35% by weight, relative to the total amount of monomers used to prepare the acrylic copolymer of the dispersed polymeric particles; and (ii) decomposition products of an oil-soluble organic initiator.
本发明涉及一种
水性分散体,该分散体包含体积平均粒径直径(d50)为 1 至 50 μm(微米)的
丙烯酸共聚物的分散颗粒,其中该
水性分散体还包含 (i) 一种
丙烯酸共聚物分散剂,该分散剂的碱溶解度高于 50 wt.相对于用于制备分散聚合物颗粒的
丙烯酸共聚物的单体总量,该分散剂在分散液中的含量为 10% 至 35%(重量百分比);以及 (ii) 油溶性有机
引发剂的分解产物。