Hydrodynamic, conformational, and optical properties of cellulose tridecanoate molecules in solutions

被引：0
|
作者：
S. V. Bushin
N. V. Tsvetkov
M. A. Bezrukova
E. P. Astapenko
E. V. Lebedeva
A. N. Podseval’nikova
V. O. Ivanova
A. V. Pavlov
A. K. Khripunov
机构：
[1] Russian Academy of Sciences,Institute of Macromolecular Compounds
[2] St. Petersburg State University,undefined
来源：
Russian Journal of Applied Chemistry | 2012年 / 85卷
关键词：
Optical Anisotropy; Cellulose Ester; Tetrachloroethane; Kuhn Segment; Refractive Index Increment;
D O I：
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学科分类号：
摘要：
Cellulose tridecanoates of various molecular weights were synthesized, and their characteristics in chloroform and tetrachloroethane solutions were studied by methods of translational diffusion, velocity sedimentation, flow birefringence (Maxwell’s method), and viscometry. The effects of solvent and temperature on the conformational characteristics of the macromolecules under consideration were examined. The anisotropy of the monomeric unit of cellulose tridecanoates was studied, and the contribution of pendant chains to the optical anisotropy of macromolecules of cellulose esters with aliphatic substituents was analyzed.
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页码：963 / 968
页数：5
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