Abstract: Different methods of drying α-and β-Copper Phthalocyanine were tried, and the relation between the capillary aggregation of the pigment and particle size distribution was investigated. In drying α-Copper Phthalocyanine, organic solvent flushing and salt co-precipitation were found not to induce any phase transformation when a proper solvent was used. A series of surfactants, including anionic, cationic, amphoteric as well as a rosin soap, were tried for the surface treatment of α-Copper Phthalo-cyanine in order to control particle size, color shade and strength, and dis-persibility of the pigment. Critical surface tension of the solid was determined experimentally in order to verify the influence of surface, treatment on the properties of α-Copper Phthalocyanine. Two modes of adsorption of a surfactant on the pigment surface were proposed, that is, the hydrophilic single-point standing adsorption and the hydrophobic multi-point lying adsorption. The variation of the dispersion stability of the pigment after treatment with different surfactants was discussed in the light of the proposed modes of adsonption.

摘要： 本文对α-或β-铜酞菁颜料的几种干燥方法进行了比较研究,考察了干燥时毛细管凝聚与粒度控制的关系.并在α-铜酞菁颜料的干燥中运用了有机溶剂换相和固体盐沉淀干燥两种新法,而不致发生转相.本文较为系统地研究了各种表面活性剂对α-铜酞菁颜料进行了表面处理,以达到控制粒度,提高颜色强度,改善色光和分散性等目的.并用固体临界表面张力的测取,初步探索了表面处理改善颜料性能的原因.本文提出了表面活性剂在铜酞菁表面的吸附状态,即亲水性单点伸展吸附和亲油性多点围绕吸附.并讨论了由此引起的颜料分散稳定性的显著差别.