Effects of SiO2 and Al2O3 Nanofillers on Polyethylene Properties

被引：49

作者：

Panaitescu, Denis ^{[1
]}

Ciuprina, Florin ^{[2
]}

Iorga, Michaela ^{[1
]}

Frone, Adriana ^{[1
]}

Radovici, Constantin ^{[1
]}

Ghiurea, Marius ^{[1
]}

Sever, Serban ^{[1
]}

Plesa, Ilona ^{[2
]}

机构：

[1] Natl Inst Res & Dev Chem & Petrochem ICECHIM, Polymer Dept, Bucharest 060021, Romania

[2] Univ Politehn Bucuresti, Fac Elect Engn, ELMAT Lab, Bucharest 060042, Romania

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2011年 / 122卷 / 03期

关键词：

nanocomposites; mechanical properties; dielectric properties; polyethylene (PE); atomic force microscopy (AFM); HIGH-DENSITY POLYETHYLENE; X-RAY-DIFFRACTION; MECHANICAL-PROPERTIES; NONISOTHERMAL CRYSTALLIZATION; SURFACE-TREATMENT; CLAY DISPERSION; MORPHOLOGY; NANOCOMPOSITES; NANOPARTICLES; CRYSTALLINITY;

D O I：

10.1002/app.34297

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Polymers filled with inorganic nanoparticles have become interesting materials as dielectrics because of their improved mechanical and electrical properties compared with the unfilled polymers and with polymer microcomposites. These improvements are mainly due to the large surface area of nanoparticles and new polymer-nanofiller interface characteristics. In the present work, polyethylene nanocomposites with SiO2 and Al2O3 nanoparticles were prepared by melt mixing. Mechanical and electrical properties of these composites were deter-mined and morphological aspects were revealed by scanning electron microscopy, wide-angle X-ray diffraction, and atomic force microscopy. The effect of nanostructure and the importance of nanofiller dispersion were analyzed in connection with mechanical and electrical properties. (C) 2011 Wiley Periodicals, Inc. J Appl Polym Sci 122: 1921-1935, 2011

引用

页码：1921 / 1935

页数：15

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