| 超声场下导电聚苯胺/纳米铁氧体吸波涂层的制备及其吸波性能 |
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| 引用本文： | 张罡,马瑞廷,赵海涛,李喜坤.超声场下导电聚苯胺/纳米铁氧体吸波涂层的制备及其吸波性能[J].材料保护,2009,42(9). |
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| 作者姓名： | 张罡 马瑞廷 赵海涛 李喜坤 |
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| 作者单位： | 沈阳理工大学材料科学与工程学院,辽宁沈阳,110168 |
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| 基金项目： | 科技部国际科技合作重点计划项目，辽宁省自然科学基金 |
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| 摘 要： | 导电聚苯胺/纳米铁氧体复合吸波材料具有吸波能力强,质量轻等特点.采用乳液聚合法以苯胺为单体、十二烷基苯磺酸为掺杂剂、过硫酸铵为氧化剂,在超声场下制备导电聚苯胺粉体;将其与纳米Ni0.5Zn0.5Fe2O45及纳米Co0.5Zn0.5Fe2O4一起用原位合成法制备了复合吸波涂层.结果表明:制备的吸波涂层在17.9,15.9,22.3 GHz时分别具有最大反射损耗-10.0,-15.9,-39.9 dB,2种复合涂层拓展了波段,提高了对电磁渡的吸收效果.
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| 关 键 词： | 吸波涂层 导电聚苯胺 纳米铁氧体 超声场 吸波性能 |
Preparation of Conductive Polyaniline/Nanosized Ferrite Coating in the Presence of Ultrasonic Field and Its Microwave Absorption Performance |
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| ZHANG Gang,MA Rui-ting,ZHAO Hai-tao,LI Xi-kun.Preparation of Conductive Polyaniline/Nanosized Ferrite Coating in the Presence of Ultrasonic Field and Its Microwave Absorption Performance[J].Journal of Materials Protection,2009,42(9). |
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| Authors: | ZHANG Gang MA Rui-ting ZHAO Hai-tao LI Xi-kun |
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| Affiliation: | ZHANG Gang,MA Rui-ting,ZHAO Hai-tao,LI Xi-kun(School of Materials Science , Enginering,Shenyang University of Technology,Shenyang 110168,China) |
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| Abstract: | Polyaniline with good electric conductivity was synthesized by emulsion polymerization process in the pres-ence of ultrasonic field,using aniline as the monomer,dodecyl-benzene sulfonic acid as the dopant,and ammonium peroxydisul-fate as the oxidant.The obtained polyaniline spheric powders,with a size of below 150 nm and conductivity of about 0.28 S/cm,were mixed with Ni0.5Zn0.5 Fe2O4 and Co0.5 Zn0.5 Fe2 O4 powders to prepare microwave absorbing coatings.The microwave absorption behavior of the composite co... |
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| Keywords: | wave absorbing coating conductive polyaniline nanosized ferrite ultrasonic field electromagnetic wave absorbing behavior |
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