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    • 23. 发明授权
    • Method for production of polymer-encapsulated pigments
    • 聚合物包封颜料的生产方法
    • US08703865B2
    • 2014-04-22
    • US11587879
    • 2005-04-21
    • Matthias GanschowHans Joachim MetzUlrike RohrKarl-Heinz SchweikartKatharina Landfester
    • Matthias GanschowHans Joachim MetzUlrike RohrKarl-Heinz SchweikartKatharina Landfester
    • C08F2/32C04B14/00
    • C09D17/003C09B67/0013
    • The invention relates to a method for production of an aqueous dispersion of polymer-encapsulated pigments characterized in that (a) an aqueous pigment dispersion, containing at least one organic pigment (P) at least one surfactant (T), and water is prepared,(b) a monomer miniemulsion stabilized by a hydrophobic organic compound with a water solubility at 20° C. of not more than 5×10−5 g/l, is prepared from a polymerizable monomer (M) and at least one surfactant (T), in water, (c) a monomer pigment emulsion is prepared, whereby the aqueous pigment dispersion from (a) and the monomer miniemulsion from (b) are mixed and homogenized, and (d) the pigment-containing monomer miniemulsion from (c) is polymerized in the presence of a polymerization initiator and/or by heat, whereupon an encapsulation of the pigment with the polymer thus formed occurs.
    • 本发明涉及一种生产聚合物包封颜料的水分散体的方法,其特征在于(a)制备含有至少一种有机颜料(P)至少一种表面活性剂(T)的水性颜料分散体和水, (b)由可聚合单体(M)和至少一种表面活性剂(T)制备由20℃下的水溶性为5×10-5g / l以下的疏水性有机化合物稳定的单体细乳液 ),在水中,(c)制备单体颜料乳液,由此将来自(a)的水性颜料分散体和(b)的单体细乳液混合并均化,和(d)含颜料的单体细乳液从(c )在聚合引发剂和/或通过热的存在下聚合,由此发生颜料与如此形成的聚合物的包封。