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pH值、无机电解质对PAE和CMC在纤维上吸附量的影响

Effect of pH and Electrolyte Concentration on the Adsorption of PAE and CMC on Pulp Fibers

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【Author】 LI Jian1, WANG Gao-sheng1, 2, GAO Li1,CHEN Fu-shan1,3 (1. Tianjin Key Laboratory of Pulp & Paper, Tianjin University of Science & Technology, Tianjin, 300222 China; 2. Key Laboratory of Cellulose and Lignocellulosics Chemistry, Guangzhou Institute of Chemistry, Chinese Academy of Science, Guangzhou, 510650 China; 3. State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou, 510641 China)

【机构】天津科技大学天津市制浆造纸重点实验室；天津科技大学天津市制浆造纸重点实验室天津300222；天津300222 中国科学院广州化学研究所纤维素化学重点实验室；广州510650；天津300222；天津300222 华南理工大学制浆造纸工程国家重点实验室；广州510641；

【摘要】通过测量纸浆Zeta电位以及聚合电解质的吸附量等方法,研究了pH值和无机电解质对阳离子聚酰胺-环氧氯丙烷树脂(PAE)和阴离子羧甲基纤维素(CMC)在纤维表面吸附量的影响。实验结果证明吸附量随纸浆悬浮液中无机电解质浓度的升高先增大后减小;随pH值的升高而增大。更多还原

【Abstract】 The adsorption characteristics of high polyamideamine epichlorohydrine and carboxymethylcellulose on pulp fibers were studied in this paper. In experiment, the pulp’s Zeta potential and polyelectrolytes’ adsorption quantity were measured. The conclusion is that polyelectrolytes’ adsorption on pulp fibers can be improved by increasing electrolyte concentration at low level, and decreased on further addition of electrolyte; polyelectrolytes’ adsorption can be improved by increasing pH of pulp.更多还原

【关键词】聚酰胺-环氧氯丙烷树脂；羧甲基纤维素；胶体滴定； Zeta电位；
【Key words】 polyamideamine epichlorohydrine； carboxymethylcellulose； Colloid Titration； Zeta potential；

【基金】国家自然科学基金(20576102);华南理工大学制浆造纸工程国家重点实验室开放基金(200405)。

【文献出处】纸和造纸 ,Paper and Paper Making , 编辑部邮箱 ,2007年02期

【分类号】TS77
【被引频次】11
【下载频次】294

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