NOVEL CELLULOSE DERIVATIVES .1. LIQUID-CRYSTAL PHASE-FORMATION IN TRI-O-ALPHA-NAPHTHYLMETHYL CELLULOSE SOLUTIONS

被引：10

作者：

DAVE, V

FRAZIER, CE

GLASSER, WG

机构：

[1] VIRGINIA POLYTECH INST & STATE UNIV, CTR BIOBASED MAT, POLYMER MAT & INTERFACES LAB, BLACKSBURG, VA 24061 USA

[2] VIRGINIA POLYTECH INST & STATE UNIV, DEPT WOOD SCI & FOREST PROD, BLACKSBURG, VA 24061 USA

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 1993年 / 49卷 / 09期

关键词：

D O I：

10.1002/app.1993.070490920

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Tri-O-alpha-naphthylmethyl cellulose was prepared by homogeneous phase reaction using SO2-diethylamine (DEA)-dimethyl sulfoxide (DMSO) as the solvent system. Observations made by dynamic mechanical spectrometry and by cross-polarized optical microscopy revealed liquid crystalline behavior for the concentrated solutions of tri-O-alpha-naphthylmethyl cellulose in dimethylacetamide (DMAc). Experimental and calculated (predicted) critical volume fraction of the derivative, V(p)c, did not show agreement. It is determined that V(p)c is affected by bulky substituents on the cellulose backbone to some extent. (C) 1993 John Wiley & Sons, Inc.

引用

页码：1671 / 1678

页数：8

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