Self-Organization of Macromolecules and Liquid-Crystalline Phase Transitions in Solutions of Cellulose Esters

被引：10

作者：

Vshivkov, S. A. ^{[1
]}

Galyas, A. G. ^{[1
]}

Kutsenko, L. I. ^{[2
]}

Tyukova, I. S. ^{[1
]}

Terziyan, T. V. ^{[1
]}

Shepetun, A. V. ^{[1
]}

机构：

[1] Ural State Univ, Ekaterinburg 620000, Russia

[2] Russian Acad Sci, Inst Macromol Cpds, St Petersburg 199004, Russia

来源：

POLYMER SCIENCE SERIES A | 2011年 / 53卷 / 01期

关键词：

THEORETICAL INVESTIGATIONS; LIGHT SCATTERING; SPHERES; TURBIDITY; FIELD;

D O I：

10.1134/S0965545X1101010X

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

For hydroxypropyl cellulose-ethanol, hydroxyethyl cellulose-water, and cyanoethyl cellulose-DMAA systems, phase diagrams are constructed and the regions of existence of isotropic and anisotropic phases and the dimensions of macromolecules and supramacromolecular particles in a wide composition range are determined through the use of the cloud-point method, polarization microscopy, the turbidity-spectrum method, dynamic light-scattering measurements, and a polarization optical apparatus. It is shown that the formation of LC phases with an increase in the polymer concentration is associated with a significant enlargement of supramolecular particles.

引用

页码：1 / 5

页数：5

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