Synthesis and characterization of hydroxypropyl cellulose from bacterial cellulose

被引：0
|
作者：
Chun-tao Chen
Yang Huang
Chun-lin Zhu
Ying Nie
Jia-zhi Yang
Dong-ping Sun
机构：
[1] Nanjing University of Science and Technology,Chemicobiology and Functional Material Institute, School of Chemical Engineering
来源：
Chinese Journal of Polymer Science | 2014年 / 32卷
关键词：
Bacterial cellulose; Hydroxypropylation; HPC; Hydrophobic; Biocompatibility;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Bacterial cellulose produced by Acetobacter xylinum has been reacted with propyleneoxide to synthesize hydroxypropyl cellulose (HPC) under different reaction conditions while diluted by toluene. The effects of mass ratio of bacterial cellulose to propyleneoxide, dilutability of toluene, reaction temperature (T) and time (t) were investigated by series of experiments. The degree of substitution (DS), hydroxypropyl content (A) and yield (η) were compared. The optimized product exhibited cold-water solubility and hot-water gelatinization in aqueous medium. Further study was carried out with FTIR, TGA, XRD, SEM and 13C-NMR for characterization. The water/air contact angle measurement reveals that it is a good hydrophobic material with good mechanical properties.
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收藏
页码：439 / 448
页数：9
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