Cation/macromolecule interaction in alkaline cellulose solution characterized with pulsed field-gradient spin-echo NMR spectroscopy

被引：18

作者：

Wang, Sen ^{[1
]}

Sun, Peng ^{[2
]}

Zhang, Rongrong ^{[1
]}

Lu, Ang ^{[1
]}

Liu, Maili ^{[2
]}

Zhang, Lina ^{[1
]}

机构：

[1] Wuhan Univ, Coll Chem & Mol Sci, Wuhan 430072, Peoples R China

[2] Chinese Acad Sci, State Key Lab Magnet Resonance & Atom & Mol Phys, Wuhan Inst Phys & Math, Wuhan 430071, Peoples R China

来源：

PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 2017年 / 19卷 / 11期

基金：

国家自然科学基金重大项目; 中国国家自然科学基金;

关键词：

INCLUSION COMPLEX; LIGHT-SCATTERING; IONIC LIQUIDS; DISSOLUTION; DIFFUSION; BEHAVIOR; WATER;

D O I：

10.1039/c6cp08744b

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

As a breakthrough to the traditional H-1 diffusometry, the interaction of cations with cellulose is investigated via Li-7 and Na-23 PFG-SE NMR. The diffusion coefficient of Li+ decreases more than that of Na+ with the addition of cellulose, which indicates a stronger binding of LiOH with the macromolecule. Therefore, a new, facile, accurate and repeatable method to characterize ion/polymer interactions is established.

引用

页码：7486 / 7490

页数：5

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