Microwave Absorption Properties of Polyaniline/Carbonyl Iron Composites

被引：25
作者：
Bahri-Laleh, Naeimeh [1 ]
Didehban, Khadijeh [2 ]
Yarahmadi, Elham [2 ]
Mirmohammadi, Seyed Amin [3 ]
Wang, Guowei [4 ]
机构：
[1] Iran Polymer & Petrochem Inst, Dept Polymerizat Engn, POB 14965-115, Tehran, Iran
[2] Payame Noor Univ, Dept Chem, POB 19395-36972, Tehran, Iran
[3] Islamic Azad Univ, Cent Tehran Branch, Dept Chem Engn, Tehran, Iran
[4] Osaka Univ, Grad Sch Engn, Dept Appl Chem, Suita, Osaka 5650871, Japan
来源：
SILICON | 2018年 / 10卷 / 04期
关键词：
Polyaniline; Wave absorbing materials; Composite; Carbonyl iron; CARBONYL IRON; ELECTROMAGNETIC PROPERTIES; ABSORBING PROPERTIES; POLYMER COMPOSITES; NANOCOMPOSITES;
D O I：
10.1007/s12633-017-9609-y
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In this work, carbonyl iron (CI) containing polya-niline composites (PANI+CI) were prepared via in-situ polymerization of aniline in an aqueous solution containing different amounts of CI as the magnetic filler for the micro-wave absorbers. The incorporation of the magnetic powder to the PANI matrix was confirmed by X-ray diffraction (XRD), IR and SEM. Synthesized PANI+CI composite particles were subsequently added to an epoxy resin matrix to produce related R-PANI+CI composites. Study of thermal properties by thermogravimetric analysis revealed enhanced thermal stability of the composites. The electromagnetic-absorbing properties were studied by measuring the reflection loss in the frequency range of 8.0 to 12.0 GHz. The experimental results indicated that the electromagnetic wave absorbing properties of PANI+CI composites are dependent on the PANI/CI weight ratio. The good reflection loss of the composite at the optimum PANI/CI weight ratio of 1:6 suggests its potential applicability as a good radar absorber.
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收藏
页码：1337 / 1343
页数：7
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