Effect of salt solutions on chain structure of partially hydrolyzed polyacrylamide

被引：0
|
作者：
Qing Zhang
Ji-sheng Zhou
Yong-ai Zhai
Feng-qi Liu
Ge Gao
机构：
[1] Jilin University,College of Chemistry and MacDiarmid Laboratory
来源：
Journal of Central South University of Technology | 2008年 / 15卷
关键词：
partially hydrolyzed polyacrylamide (HPAM); salt effect; chain structure; static laser light scattering (SLLS);
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The effect of salt solutions (NaCl, Na2SO4 and CaCl2) on the conformational properties of partially hydrolyzed polyacrylamide (HPAM) was investigated by using static laser light scattering (SLLS). The special interaction between CaCl2 solution and HPAM was also researched. Experimental results show that the chain structure of HPAM is interrelated with the charge density, the kind and the concentration of salt solutions. The mean-square radius of gyration (Rz) and the second virial coefficient (A2) of HPAM decrease with increasing concentration of salt solutions, and the salt effect tends towards the maximum when the concentration of salt solution is increased to some amount.
引用
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页码：80 / 83
页数：3
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