Evaluation of the scaling parameters of lignin macromolecules

被引：2
|
作者：
Kocheva, L. S. [1 ,2 ]
Karmanov, A. P. [2 ,3 ]
Karmanova, Yu A. [2 ]
机构：
[1] Russian Acad Sci, Ural Branch, Komi Sci Ctr, Inst Biol, Syktyvkar 167982, Russia
[2] Syktyvkar State Univ, Syktyvkar 167001, Russia
[3] Russian Acad Sci, Ural Branch, Komi Sci Ctr, Inst Geol, Syktyvkar 167982, Russia
来源：
RUSSIAN CHEMICAL BULLETIN | 2014年 / 63卷 / 09期
关键词：
lignin; topological structure; scaling;
D O I：
10.1007/s11172-014-0696-2
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The results of a study of the topological structure of lignin from Betula pendula birch twigs are presented. The molecular properties of dilute solutions of lignin in DMF were investigated by the sedimentation velocity and translational diffusion methods, and by viscosimetry. The molecular weights of fractions, the conformational parameters, and the Tsvetkov-Klenin hydrodynamic invariant were determined. Correlations between the hydrodynamic, conformational, and fractal parameters of lignin were studied. Lignin from birch twigs was found to be a randomly branched polymer.
引用
收藏
页码：2036 / 2039
页数：4
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