Characterization and proprieties of cellulose isolated from the Crambe abyssinica hull

被引:66
作者
Gastaldi, G
Capretti, G
Focher, B
Cosentino, C
机构
[1] Stazione Sperimentale Cellulosa Carta Fibre Tessi, I-20133 Milan, Italy
[2] Ist Chim & Biochim G Ronzoni, I-20133 Milan, Italy
关键词
Crambe abyssinica; cellulose derivatives; steam explosion; organosolv;
D O I
10.1016/S0926-6690(98)00004-1
中图分类号
S2 [农业工程];
学科分类号
0828 ;
摘要
The Crambe abyssinica hull was fractionated by steam explosion and organosolv treatments to isolate the cellulose component. After bleaching and alkali treatments the cellulose was characterized by X-ray, FTIR and CP-MAS C-13 NMR spectroscopy. The classical profile of the cellulose I allomorph was found to have a fairly low degree of crystallinity and relatively small crystal dimensions and is thus suitable to synthesize, in mild conditions, cellulose derivatives (i.e. carboxymethyl cellulose and cellulose esters). (C) 1998 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:205 / 218
页数:14
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