Polycaprolactone Grafting of Cellulose Nanocrystals in Ionic Liquid[BMIM]CI

被引：0
|
作者：
HUANG Qing [1 ,2 ]
HUANG Jin [1 ,2 ]
CHANG P R [3 ]
机构：
[1] College of Chemical Engineering,Wuhan University of Technology
[2] BioProducts and Bioprocesses National Science Program,Agriculture and Agri-Food Canada
[3] State Key Laboratory of Pulp and Paper Engineering,South China University of Technology
来源：
Wuhan University Journal of Natural Sciences | 2014年 / 19卷 / 02期
关键词：
ionic liquid; cellulose nanocrystals; polycaprolactone; crystal transformation;
D O I：
暂无
中图分类号：
TQ352.1 [基础理论];
学科分类号：
摘要：
A polycaprolactone-grafted cellulose nanocrystal(PCL-g-CN) was prepared in ionic liquid and characterized by Fourier transform infrared spectrum(FT-IR),X-ray diffraction(XRD),and transmission electron microscopy(TEM).A peak assigned to the carbonyl group appears at 1 730 cmin the FT-IR of PCL-g-CN,which confirms that the grafting reaction is successfully completed.The morphologies of PCL-g-CNs still maintain rod-like structure according to the TEM images.XRD results show that the crystal type of the PCL-g-CNs changed from cellulose Ⅰ to cellulose Ⅱ.The reasons for crystal transition of CNs turn out to be combined effects of anion and cation in ionic liquid with CNs.
引用
收藏
页码：117 / 122
页数：6
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