ELECTRON-MICROSCOPY INVESTIGATION OF THE POLYMORPHY OF RAMIE CELLULOSE

被引:3
作者
ROCHE, E [1 ]
机构
[1] CNRS,CTR RECH MACROMOLEC VEGETALES,F-38041 GRENOBLE,FRANCE
关键词
D O I
10.1177/004051757904900601
中图分类号
TB3 [工程材料学]; TS1 [纺织工业、染整工业];
学科分类号
0805 ; 080502 ; 0821 ;
摘要
Four pqlymorphs of ramie cellulose, ramie I, II, IIII, and IVI, are characterized by electron microscopy imaging and diffraction. Darkfield imaging of native ramie shows the crystallites as discrete rods of dimensions 5 X 30 nm. After the polymorphic transformations, isolated ramie microfibrils exhibit a morphology similar to that of the native micro fibrils. The morphology of the microfibrils in the core of fibrillar bundles is less clear. The results are interpreted in retation to the question of the parallelism of the cellulose chains in native celluloses. © 1979, Sage Publications. All rights reserved.
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页码:309 / 312
页数:4
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