The mechanism of offset ink particles agglomeration in a calcium fatty acid collector system

被引：0
|
作者：
Johansson, B
Wickman, M
Strom, G
机构：
来源：
JOURNAL OF PULP AND PAPER SCIENCE | 1996年 / 22卷 / 10期
关键词：
offset ink; reaction kinetics; agglomeration; calcium chloride; fatty acids; soap; oleates; particles;
D O I：
暂无
中图分类号：
TB3 [工程材料学]; TS [轻工业、手工业、生活服务业];
学科分类号：
0805 ; 080502 ; 0822 ;
摘要：
Model studies on a dried ink particle suspension without fibres show that the kinetics of the ink agglomeration are totally dependent on the soap particle precipitation and formation. The calcium soap has to precipitate before the ink and soap particles can agglomerate. Calcium ions have two important effects on ink agglomeration: the precipitation of soap, and the reduction of the surface potential on the ink particle surface. The importance of free fatty acid anions adsorbed onto the ink particle surface is negligible, since the fatty acid is almost completely precipitated as calcium soap.
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页码：J381 / J385
页数：5
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