Characterization of the products resulting from ethylene glycol liquefaction of cellulose

被引：0
|
作者：
Tatsuhiko Yamada
Hirokuni Ono
机构：
[1] Forestry and Forest Products Research Institute,Graduate School of Agricultural and Life Sciences
[2] The University of Tokyo,undefined
来源：
Journal of Wood Science | 2001年 / 47卷
关键词：
Liquefaction; Ethylene glycol; Wood; Cellulose; NMR;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The composition of liquefied cellulose in the presence of ethylene glycol (EG) was studied. The liquefied products were fractionated and analyzed with highperformance liquid chromatography and nuclear magnetic resonance. EG-glucosides were detected as the only saccharides and 2-hydroxyethyl levulinate as the highly decomposed compound derived from cellulose. Quantitative analysis of the EG-glucosides and levulinic acid that comes from the levulinate shows the presence of the following mechanism in the EG-liquefaction of cellulose. First, cellulose is degraded and produces considerable amounts of EG-glucosides during the early stage of liquefaction. Then, when liquefaction is prolonged, the glucosides are decomposed, leading to a large quantity of levulinates.
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页码：458 / 464
页数：6
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