Study of polystyrene/titanium dioxide nanocomposites via melt compounding for optical applications

被引：26
作者：
Chandra, Alexander
Turng, Lih-Sheng [1 ]
Gong, Shaoqin
Hall, David C.
Caulfield, Daniel F.
Yang, Hsinjin
机构：
[1] Univ Wisconsin, Dept Mech Engn, Polymer Engn Ctr, Madison, WI 53706 USA
[2] Univ Wisconsin, Dept Mech Engn, Milwaukee, WI 53201 USA
来源：
POLYMER COMPOSITES | 2007年 / 28卷 / 02期
关键词：
D O I：
10.1002/pc.20274
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
This article presents the study of melt compounding of polystyrene (PS) with various types of titanium dioxide (TiO2) nanoparticles and surfactants, using a corotating twin screw extruder with multiple screw element configurations. It was found that a properly designed high shear screw configuration and the copolymer of silicone, ethylene oxide, and propylene oxide-based surfactant produced the greatest degree of nanoparticle dispersion in PS/TiO2 nanocomposites, whereas a silane-based surfactant and silicon dioxide (SiO2) or aluminum oxide (Al2O3) coated TiO2 nanoparticles yielded nanocomposites with the least photocatalytic degradation effects and the best retention of tensile and impact properties.
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页码：241 / 250
页数：10
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