Rapid microwave-assisted fabrication of cellulose/F-substituted hydroxyapatite nanocomposites using green ionic liquids as additive

被引：15
|
作者：
Jia, Ning [1 ]
Li, Shu-Ming [1 ]
Ma, Ming-Guo [1 ]
Sun, Run-Cang [1 ,2 ]
机构：
[1] Beijing Forestry Univ, Coll Mat Sci & Technol, Inst Biomass Chem & Technol, Beijing 100083, Peoples R China
[2] S China Univ Technol, State Key Lab Pulp & Paper Engn, Guangzhou 510640, Guangdong, Peoples R China
来源：
MATERIALS LETTERS | 2012年 / 68卷
基金：
高等学校博士学科点专项科研基金; 中国国家自然科学基金;
关键词：
Nanocomposites; Microstructure; Microwave; Cellulose; Ionic liquids; FLUORAPATITE; COMPOSITES;
D O I：
10.1016/j.matlet.2011.10.027
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The purpose of this paper is to explore the synthesis of biomass-based composites by green method in green solution. Cellulose/F-substituted hydroxyapatite (HA) nanocomposites have been successfully fabricated by the microwave-assisted ionic liquids (ILs) method. The effects of the heating time, the ionic liquids concentration, and the NaF concentration on the products were investigated. The experimental results demonstrated that F-substituted HA particles were embedded in the cellulose matrix or dispersed on the surface of cellulose matrix. The XRD results indicated that the cellulose/CaF nanocomposites were obtained at high NaF concentration. The ionic liquids concentration played an important role in the dispersion of particles. The number of F-substituted HA in nanocomposites increased with increasing heating time. This rapid and environmentally friendly microwave-assisted ionic liquids method is provided a promising way to prepare cellulose-based nanocomposites. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：44 / 46
页数：3
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