Effect of salt solutions on chain structure of partially hydrolyzed polyacrylamide

被引：30
|
作者：
Zhang Qing
Zhou Ji-sheng
Zhai Yong-ai
Liu Feng-qi
Gao Ge [1 ]
机构：
[1] Jilin Univ, Coll Chem, Changchun 130021, Peoples R China
来源：
JOURNAL OF CENTRAL SOUTH UNIVERSITY OF TECHNOLOGY | 2008年 / 15卷 / Suppl 1期
基金：
中国国家自然科学基金;
关键词：
partially hydrolyzed polyacrylamide (HPAM); salt effect; chain structure; static laser light scattering (SLLS);
D O I：
10.1007/s11771-008-0319-x
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
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 (R-z) and the second virial coefficient (A(2)) 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
收藏
页码：80 / 83
页数：4
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