Titanium dioxide/cellulose nanocomposites prepared by a controlled hydrolysis method

被引：111
|
作者：
Marques, PAAP
Trindade, T
Neto, CP [1 ]
机构：
[1] Univ Aveiro, Dept Chem, P-3810193 Avellino, Portugal
[2] Univ Aveiro, CICECO, P-3810193 Avellino, Portugal
来源：
COMPOSITES SCIENCE AND TECHNOLOGY | 2006年 / 66卷 / 7-8期
关键词：
nanocomposites; titanium dioxide; cellulose fibres; pigments;
D O I：
10.1016/j.compscitech.2005.07.029
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
TiO2/cellulose nanocomposites were prepared through the titanyl sulphate hydrolysis in acidic medium in the presence of cellulosic fibres. The influence of several reaction parameters on the morphological characteristics of the nanocomposites was investigated. There is evidence from this study that in specific experimental conditions, the cellulose fibres promote the nucleation and growth of TiO2 particles, yielding hybrid materials containing up to 46% TiO2. Two series of paper handsheets having distinct TiO2 content have been prepared, one from a selected hybrid composition and the other from mixtures of commercial TiO2 and cellulose fibres. Comparative optical studies performed on the paper handsheets revealed a much higher opacity for the synthetic sample. (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1038 / 1044
页数：7
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