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Citation: YANG Xiao-Xu, PANG Hao, ZHANG Rong-Li, YAN Yong-Bin, LIAO Bing. Study of Liquefaction of Bamboo in Glycol by Realtime IR[J]. Chinese Journal of Applied Chemistry, ;2009, 26(2): 187-192. shu

Study of Liquefaction of Bamboo in Glycol by Realtime IR

YANG Xiao-Xu ^a,b ,
PANG Hao ^a ,
ZHANG Rong-Li ^a ,
YAN Yong-Bin ^a,b ,
LIAO Bing ^a,,

1.
a Key Laboratory of Cellulose and Lignocellulosics Chemistry, Guangzhou Institute of Chemistry, Chinese Academy of Sciences, Guangzhou 510650;
2.
b Granduate School of the Chinese Academy of Sciences, Beijing

Corresponding author: LIAO Bing,
Received Date: 19 January 2008
Available Online: 8 April 2008
Fund Project: 广东省自然科学基金资助项目(E06200692) (E06200692)广州市科技计划项目(06a1406285) (06a1406285)广东省攻关项目(2006A20401001) (2006A20401001)

Bamboo was liquefied in ethylene glycol in the presence of sulfuric acid as catalyst,and realtime IR was used to detect the reaction during the whole experiment.The intensities of the bands at 1 720 cm^-1 and 1 124 cm^-1 strengthened,and that at 3 400 cm^-1 weakened with the liquefaction time.The IR results were analysed in detail to describe the degradation and decomposition of bamboo,and the product was separated into several parts which were analysed by GC-MS.It indicated that the cellulose was degraded completely to pentanoic acid ethyl ester,2(3H)-furanone,(acetyloxy)dihydro-5-methyl,and lignin phenylpropane units were also decomposed to hydroxylic,carbnoxylic and aromatic derivatives,and these reactive intermediates could be polymerized to form insoluble residues.
- bamboo,
- cellulose,
- lignin,
- glycol,
- liquefaction,
- React IR
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