Preparation and performance of high-impact polystyrene (HIPS)/Nano-Tio2 nanocomposites

被引：91

作者：

Zhang, JZ ^{[1
]}

Wang, X ^{[1
]}

Lu, LD ^{[1
]}

Li, D ^{[1
]}

Yang, XJ ^{[1
]}

机构：

[1] Nanjing Univ Sci & Technol, Mat Chem Lab, Nanjing 210094, Peoples R China

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2003年 / 87卷 / 03期

关键词：

high-impact polystyrene (HIPS); nano-TiO2; nanocomposites; dispersions; performance;

D O I：

10.1002/app.11302

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

High-impact polystyrene (HIPS) /nano-TiO2 nanocomposites were prepared by surface pretreatment of nano-TiO2 with special structure dispersing agent (TAS) and master batch manufacturing technology. The results show that when the nano-TiO2 content is 2%, the notched impact strength, tensile strength, and elastic modulus of HIPS/ nano-TiO2 nanocomposites increased to a maximum. This result indicates that nano-TiO2 has both toughening and reinforcing effects on HIPS. The heat-deflection temperature and flame-retardance of HIPS/nano-TiO2 nanocomposites are also obviously improved as the nano-TiO2 content is increased. The nanocomposites manufactured by the two-step method have better mechanical properties than that made by a one-step method. HIPS/nano-TiO2 nanocomposites are also non-Newtonian and pseudoplastic fluids. (C) 2002 Wiley Periodicals, Inc.

引用

页码：381 / 385

页数：5

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