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    • 5. 发明授权
    • Transforming crude copper phthalocyanines into a pigmentary state
    • 将粗铜酞菁转变为颜料状态
    • US5006173A
    • 1991-04-09
    • US370727
    • 1989-06-23
    • Wolfgang FathRainer NachtrabRudolf Polster
    • Wolfgang FathRainer NachtrabRudolf Polster
    • C09B67/12C09B67/20
    • C09B67/0016
    • Crude copper phthalocyanines are transformed into a pigmentary state by treating finely divided but imperfectly crystallized and highly aggregated crude copper phthalocyanines having a primary particle size, produced by ball milling, or less than 0.1 .mu.m with an organic solvent by subjecting a suspension of the organic solvent and the milled crude copper phthalocyanine (hereinafter referred to as the solvent/pigment suspension), which has a pigment concentration of from 15 to 55% by weight and a solvent concentration of from 15 to 85% by weight and which may contain water in a concentration of from 0 to 30% by weight, to a shear gradient of from 1000 to 20000 s.sup.-1 for a period of from 2 to 1000 s with an energy uptake during shearing of from 0.01 to 0.02 kWh/kg of pigment throughput, then metering water into the solvent/pigment suspension in an amount of from 0.1 to 10 times the amount of the solvent, to effect a defined discontinuation of the conditioning process, and finally mixing the suspension until homogeneous.
    • 粗铜酞菁通过用有机溶剂处理细分但不完全结晶的高度聚集的粗铜酞菁,其具有初级粒度,通过球磨或小于0.1μm,通过使有机溶剂的悬浮液进行处理而转化为颜料状态 溶剂和研磨的粗铜酞菁(以下称为溶剂/颜料悬浮液),其颜料浓度为15至55重量%,溶剂浓度为15至85重量%,并且可以含有水 浓度为0至30重量%,剪切梯度为1000至20000秒-1,时间为2至1000秒,剪切时的能量摄取为0.01至0.02千瓦时/千克的颜料生产量, 然后将溶剂/颜料悬浮液中的水量定量为溶剂量的0.1至10倍,以实现定义的中止调理过程,最后混合t 他暂停直到均匀。