Homogeneous Preparation of Cellulose Acetate Propionate (CAP) and Cellulose Acetate Butyrate (CAB) from Sugarcane Bagasse Cellulose in Ionic Liquid

被引：55
|
作者：
Huang, Kelin [2 ,3 ,7 ]
Wang, Ben [1 ,3 ]
Cao, Yan [1 ]
Li, Huiquan [1 ]
Wang, Jinshu [2 ]
Lin, Weijiang [4 ]
Mu, Chaoshi [5 ]
Liao, Dankui [6 ]
机构：
[1] Chinese Acad Sci, Inst Proc Engn, Beijing 100190, Peoples R China
[2] Beijing Univ Technol, Sch Mat Sci & Engn, Beijing 100124, Peoples R China
[3] Guangxi Chem & Ind Res Inst, Nanning 530004, Guangxi, Peoples R China
[4] Guangxi Sci & Technol Dept, Nanning 530002, Guangxi, Peoples R China
[5] Guangxi Sci & Technol Informat Res Inst, Nanning 530002, Guangxi, Peoples R China
[6] Guangxi Univ, Sch Chem & Chem Engn, Nanning 530004, Guangxi, Peoples R China
[7] China Acad Sci & Technol Dev, Guangxi Branch, Nanning 530022, Guangxi, Peoples R China
来源：
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY | 2011年 / 59卷 / 10期
基金：
美国国家科学基金会;
关键词：
AmimCl ionic liquid; sugarcane bagasse cellulose; cellulose acetate butyrate; cellulose acetate propionate; recycling; ACETYLATION; SOLVENT;
D O I：
10.1021/jf104881f
中图分类号：
S [农业科学];
学科分类号：
09 ;
摘要：
Cellulose acetate butyrate (CAB) and cellulose acetate propionate (CAP) were prepared homogeneously in a 1-allyl-3-methylimidazolium chloride (AmimCl) ionic liquid system from sugarcane bagasse (SB). The reaction temperature, reaction time, and molar ratio of butyric (propionic) anhydride/anhydroglucose units in the cellulose affect the butyryl (B) or propionyl (P) content of CAB or CAP samples. The C-13 NMR data revealed the distribution of the substituents of CAB and CAP. The thermal stability of sugar cane bagasse cellulose was found by thermogravimetric analysis to have decreased after chemical modification. After reaction, the ionic liquid was effectively recycled and reused. This study provides a new way for high-value-added utilization of SB and realizing the objective of turning waste into wealth.
引用
收藏
页码：5376 / 5381
页数：6
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