BAND-LIKE TEXTURE OF ETHYLCYANOETHYL CELLULOSE MESOPHASE*

HUANG Yong

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BAND-LIKE TEXTURE OF ETHYLCYANOETHYL CELLULOSE MESOPHASE*

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- BAND-LIKE TEXTURE OF ETHYLCYANOETHYL CELLULOSE MESOPHASE*
- BAND-LIKE TEXTURE OF ETHYLCYANOETHYL CELLULOSE MESOPHASE*
- 高分子科学（英文版） 1991年9卷第1期页码：86-93
- Affiliations：
  
  1. Guangzhou Institute of Chemistry, Academia Sinica, P. O. Box 1122,Guangzhou,510650
  2. Academia Sinica P. O. Box 1122
  3. Guangzhou 510650
- Author bio：
- Funds：
- DOI：
  中图分类号：
- 纸质出版：1991-03-20
- Accepted：
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[1]黄勇.BAND-LIKE TEXTURE OF ETHYLCYANOETHYL CELLULOSE MESOPHASE[J].Chinese Journal of Polymer Science,1991,{4}(01):86-93.

HUANG Yong. BAND-LIKE TEXTURE OF ETHYLCYANOETHYL CELLULOSE MESOPHASE*[J]. 1991, 9(1): 86-93.
[1]黄勇.BAND-LIKE TEXTURE OF ETHYLCYANOETHYL CELLULOSE MESOPHASE[J].Chinese Journal of Polymer Science,1991,{4}(01):86-93. DOI：

HUANG Yong. BAND-LIKE TEXTURE OF ETHYLCYANOETHYL CELLULOSE MESOPHASE*[J]. 1991, 9(1): 86-93. DOI：

摘要

<正> In the ethyl-cyanoethylcellulose （（E-CE）C）/dichloroacetic acid （DCA） cholesteric liquid crystalline solution

the hand-like texture is formed when the mesophase aggregates with the disk-like texture grow to big enough and merge with each other with increasing concentration. The band-like texture is composed of parallel equidistant bright and dark alternative strips which are about 0.2-2.0 μm in width. In the band-like texture

the layers of ordered polymer chains are perpendicular to the solution film and the axes of helicoids are parallel to it. The width of the strips is different in different zones. Under the effect of an external magnetic field

the strips in the band-like texture first become wider and then narrower gradually.Moreover

the axes of helicoids in the （E-CE） C/DCA mesomorphic solution change from the direction normal to the magnetic field to the agreement with the magnetic field direction.

Abstract

In the ethyl-cyanoethylcellulose （（E-CE）C）/dichloroacetic acid （DCA） cholesteric liquid crystalline solution

the strips in the band-like texture first become wider and then narrower gradually.Moreover

the axes of helicoids in the （E-CE） C/DCA mesomorphic solution change from the direction normal to the magnetic field to the agreement with the magnetic field direction.

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