Properties Improvement of PMMA Using Nano TiO2

被引：83

作者：

Chatterjee, Amit ^{[1
,2
]}

机构：

[1] DRDO, Naval Mat Res Lab, Ambernath, India

[2] Univ Delaware, Ctr Composite Mat, Newark, DE 19716 USA

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2010年 / 118卷 / 05期

关键词：

PMMA; TiO2; nanocomposite; tensile modulus; dimension stability; THERMAL-STABILITY; NANOCOMPOSITES; FABRICATION;

D O I：

10.1002/app.32567

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

TiO2 nanofillers (5 nm, 0-15% weight) have been introduced in the PMMA matrix using a twin screw extruder to increase the performance of PMMA. The twin screw extrusion process is optimized to disperse the particles into PMMA. Nanofiller infusion improves the thermal, mechanical, and UV absorption properties of PMMA. TiO2-PMMA nanocomposites exhibit the increase in tensile modulus (90%), decomposition temperature (31%), dimension stability (similar to 60%) and UV absorption (similar to 410%). Properties of the nanoTiO(2)-PMMA composites are depending on the dispersion of TiO2 in the PMMA matrix. It is interrelated with loading. Formation and disappearance of the peaks in FTIR confirm the chemical interaction of PMMA with TiO2. (C) 2010 Wiley Periodicals, Inc. J Appl Polym Sci 118: 2890-2897, 2010

引用

页码：2890 / 2897

页数：8

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