纤维素科学与技术2016，Vol.24Issue(3)：1-6,6.DOI:10.16561/j.cnki.xws.2016.03.12
碱处理后纤维素纳米晶体的XRD、FT-IR和XPS分析1
Surface Characterizations of Mercerized Cellulose Nanocrystals by XRD, FT-IR and XPS
摘要
Abstract
Cellulose nanocrystals (CNCs) have been widely used in biology, medicine, materials and cellulose mechanistic studies recently. Understanding the changes of CNCs in an alkaline media is essential to their applications. In this paper, CNC samples treated by different alkali concentrations were examined by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR) and X-ray photoelectron spectroscopy (XPS). The results showed that the polymorphic conversion for mercerized CNC samples took place in the vicinity of 10%NaOH concentration, and the hydroxyl content on the surface of the cellulose Ⅱ crystals reduced and the O/C ratio decreased as well. This study provided evidences to explain the different adsorption behaviors of cellulases onto cellulose substrates which suffered different treatments, and also offered some merits to its applications.关键词
纤维素纳米晶体/X-射线衍射/X-射线光电子能谱/红外/晶型Key words
CNC/XRD/XPS/FT-IR/polymorph分类
化学化工引用本文复制引用
金二锁,杨芳,朱阳阳,朱文远,宋君龙..碱处理后纤维素纳米晶体的XRD、FT-IR和XPS分析1[J].纤维素科学与技术,2016,24(3):1-6,6.基金项目
国家自然科学基金资助项目（31270613，31200454）；青蓝工程；PAPD。 （）
