Water dispersion containing inorganic pigment-cation resin composite fine particles and ink jet recording material containing said composite fine particles

本发明涉及一种无机颜料-阳离子树脂复合细粒子的水分散体,它具有高的分散性能和高的分散稳定性,含有具有式(1)五员环脒结构的阳离子聚合单元的阳离子树脂的聚集体粒子,其中无机颜料粒子的平均初级粒度为3-40nm,聚集体粒子的平均二级粒度控制在10nm至1.0μm的范围内。在式(1)中,A#+[-]表示阴离子。 An aqueous dispersion of inorganic pigment-cationic resin composite fine particles, having a high dispersing property and a high dispersion stabil...

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Hauptverfasser: KADO KUMIKO, KITAMURA SHIGEMI
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:本发明涉及一种无机颜料-阳离子树脂复合细粒子的水分散体,它具有高的分散性能和高的分散稳定性,含有具有式(1)五员环脒结构的阳离子聚合单元的阳离子树脂的聚集体粒子,其中无机颜料粒子的平均初级粒度为3-40nm,聚集体粒子的平均二级粒度控制在10nm至1.0μm的范围内。在式(1)中,A#+[-]表示阴离子。 An aqueous dispersion of inorganic pigment-cationic resin composite fine particles, having a high dispersing property and a high dispersion stability, contains agglomerate particles of a cationic resin which has cationic polymerization units having a five-membered cyclic amidine structure of the formula (1), with inorganic pigment particles having an average primary particle size of 3 to 40 nm, the agglomerate particles having an average secondary particle size controlled to from 10 nm to 1.0 µm.