MECHANICAL AND OPTICAL ANISOTROPIES OF NEMATIC AND CHOLESTERIC HYDROGELS OF POLY(L-GLUTAMIC ACID)

被引:5
作者
MATSUOKA, Y [1 ]
KISHI, R [1 ]
SISIDO, M [1 ]
机构
[1] TOKYO INST TECHNOL, RESOURCES UTILIZAT RES LAB, 4259 NAGATSUTA, MIDORI KU, YOKOHAMA, KANAGAWA 227, JAPAN
关键词
D O I
10.1246/cl.1992.1855
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Cross-linked gels of poly(L-glutamic acid) (PGA) possessing cholesteric or nematic liquid-crystalline (LC) order were prepared from the corresponding LC gels of poly(gamma-benzyl L-glutamate). Optical anisotropy measured by transmitted light intensity through cholesteric LC hydrogels between crossed polarizers showed reversible changes with the alternation of pH values. Mechanical anisotropy was also found in the nematic LC hydrogels.
引用
收藏
页码:1855 / 1858
页数:4
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