The properties of enzyme-hydrolyzed cellulose in aqueous sodium hydroxide

被引：19
|
作者：
Cao, Y [1 ]
Tan, HM [1 ]
机构：
[1] Beijing Inst Technol, Sch Chem Engn & Mat Sci, Beijing 100081, Peoples R China
来源：
CARBOHYDRATE RESEARCH | 2002年 / 337卷 / 16期
关键词：
cellulose; sodium hydroxide; alkali solubility; supramolecular structures; DSC; FTIR;
D O I：
10.1016/S0008-6215(02)00211-2
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
Pure natural cellulose (softwood pulp) modified with cellulase is allowed to react with sodium hydroxide in a muller, and changes in structure and properties are investigated by FTIR and DSC. The reactivity of cellulose for some dissolving and derivatization processes is shown to be improved by an enzymatic hydrolysis and admixture with sodium hydroxide. The modified cellulose dissolved at 9% (wt) sodium hydroxide at -10 degreesC at 6%, pulp consistency, while the (DP) over bar of cellulose is > 350. (C) 2002 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：1453 / 1457
页数：5
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