Preparation of Liquid-Crystalline Polymers Based on Natural Microfibril Materials

被引:0
|
作者
Iwami, Yuko [1 ]
Tomitaka, Shiori [1 ]
Nata, Masanori [1 ]
Ujie, Seiji [1 ]
机构
[1] Oita Univ, Fac Engn, Dept Appl Chem, Dannoharu 700, Oita 8701192, Japan
关键词
Liquid-Crystalline Polymer; Hydroxypropylcellulose; Thermotropic Liquid Crystal; X-Ray Diffraction; Tensile Strength; FILMS;
D O I
暂无
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Novel thermotropic liquid-crystalline cellulose derivatives were synthesized by the addition reaction of hydroxypropylcellulose with isocyanate. The liquid-crystalline cellulose derivatives exhibited columnar mesophases on heating and cooling. The cellulose derivatives formed a water-absorbing resin and their resinous gel films showed water-absorbency and stability with time. The resin plates of the cellulose derivatives were obtained by a hot press process at liquid-crystalline temperatures. They showed a tensile strength that was stronger than that of polypropylene.
引用
收藏
页码:361 / 365
页数:5
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