橡胶技术网

合成橡胶工业
CHINA SYNTHETIC RUBBER INDUSTRY
2005 Vol.28 No.6 P.435-440

 橡胶技术网

球形木素基正离子交换树脂的制备与性能

范娟　 詹怀宇　

摘　要：以木素磺酸钙为原料,在一种价廉无毒的分散介质中通过反相悬浮聚合制备了球形木素基正离子交换树脂.研究了分散介质和分散剂用量、聚合温度及搅拌速度等多种因素对聚合反应和成球效果的影响,并对交换树脂的形貌、粒径、含水量、密度、交换容量及吸附性能进行表征与测定.结果表明,在实验室条件下,交换树脂对Cr3+的饱和吸附量达到59.28 mg/g(干树脂).
关键词：木素磺酸钙;正离子交换树脂;反相悬浮聚合;制备;性能
分类号：TQ425.23 　文献标识码：A
文章编号：1000-1255(2005)06-0435-06

Preparation and characterization of spherical lignin-based cation exchange resin

Fan Juan （School of Chemical and Energy Engineering, South China University of Technology, Guangzhou 510640, China）　 Zhan Huaiyu（State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China）　

Abstract：The spherical lignin-based cation exchange resin was prepared with calcium lignosulphonate as raw material in a cheap and non-toxic dispersing medium by reversed phase suspension polymerization. The influences of dispersing medium and dispersing agent content, polymerization temperature and stirring speed on the suspension polymerization and globulation were studied. The properties including morphology and size of particles, water retention capacity, density, exchange capacity and adsorption properties were characterized. The results showed the maximum adsorptive capacity of the resin for Cr3+ reached 59.28 mg/g (dry resin).
Keywords：calcium lignosulphonate; cation exchange resin; reversed phase suspension polymerization;preparation; characterization

基金项目：Supported by Ph D Programs Foundation of Ministry of Education of China (20020561001).
作者简介：Fan Juan,lecturer.
作者单位：范娟（华南理工大学,化工与能源学院,广东,广州,510640）　
　　　　　詹怀宇（华南理工大学,制浆与造纸工程,国家重点实验室,广东,广州,510640）　

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收稿日期：2005年1月13日

出版日期：2005年11月15日

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