Synthesis and characterization of hydroxypropyl cellulose from bacterial cellulose

被引：35
作者：
Chen, Chun-tao [1 ]
Huang, Yang [1 ]
Zhu, Chun-lin [1 ]
Nie, Ying [1 ]
Yang, Jia-zhi [1 ]
Sun, Dong-ping [1 ]
机构：
[1] Nanjing Univ Sci & Technol, Sch Chem Engn, Chemicobiol & Funct Mat Inst, Nanjing 210094, Jiangsu, Peoples R China
来源：
CHINESE JOURNAL OF POLYMER SCIENCE | 2014年 / 32卷 / 04期
基金：
国家高技术研究发展计划(863计划);
关键词：
Bacterial cellulose; Hydroxypropylation; HPC; Hydrophobic; Biocompatibility; SILVER NANOPARTICLES; MEMBRANES;
D O I：
10.1007/s10118-014-1419-8
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
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 (eta) 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 C-13-NMR for characterization. The water/air contact angle measurement reveals that it is a good hydrophobic material with good mechanical properties.
引用
收藏
页码：439 / 448
页数：10
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