Preparation, thermal, magnetic and microwave absorption properties of thermoplastic natural rubber matrix impregnated with NiZn ferrite nanoparticles

被引：40

作者：

Flaifel, Moayad Husein ^{[1
]}

Ahmad, Sahrim Hj ^{[1
]}

Abdullah, Mustaffa Hj ^{[1
]}

Rasid, Rozaidi ^{[1
]}

Shaari, Abdul Halim ^{[2
]}

El-Saleh, Ayman A. ^{[3
]}

Appadu, Sivanesan ^{[4
]}

机构：

[1] Univ Kebangsaan Malaysia, Fac Sci & Technol, Sch Appl Phys, Bangi 43600, Selangor, Malaysia

[2] Univ Putra Malaysia, Fac Sci, Dept Phys, Upm Serdang 43400, Selangor, Malaysia

[3] Multimedia Univ, Fac Engn FOE, Dept Telecommun Engn, Cyberjaya 63100, Selangor, Malaysia

[4] Agensi Nuklear Malaysia, Radiat Proc Technol Div, Kajang 43000, Selangor, Malaysia

来源：

COMPOSITES SCIENCE AND TECHNOLOGY | 2014年 / 96卷

关键词：

Nanocomposites; Nanoparticles; Polymer-matrix composites (PMCs); Magnetic properties; Thermal properties; POLYURETHANE NANOCOMPOSITES; IRON-OXIDE; STABILIZATION; COMPOSITES;

D O I：

10.1016/j.compscitech.2014.03.016

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

In this research, NiZn ferrite nanoparticles were incorporated in thermoplastic natural rubber matrix (TPNR) as reinforcing magnetic nanofiller by melt blending technique. TPNR was prepared from high-density polyethylene (HDPE), natural rubber (NR) and liquid natural rubber (LNR) in a ratio of 70:20:10 and later impregnated with 4, 8, 12 (wt%) of NiZn ferrite nanoparticles. Thermal stability, temperature dependence of coercivity and microwave absorption characteristics of the nanocomposite samples were investigated using thermogravimetric analyser (TGA), vibrating sample magnetometer (VSM) and vector network analyser (VNA), respectively. The results showed that the thermal stability of the nanocomposite samples has increased with increasing filler content in the TPNR matrix. Temperature dependence of coercivity for pure NiZn ferrite and nanocomposite samples exhibited immeasurable values below blocking temperature (TB), above which an abrupt increase was observed. In addition, the microwave absorption results showed multi-absorbing peaks characteristic with a great enhancement attained for 12 wt% nanocomposite at a sample thickness of 7 mm with a potential application in the X-band frequency. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：103 / 108

页数：6

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