Antistatic coating and electromagnetic shielding properties of a hybrid material based on polyaniline/organoclay nanocomposite and EPDM rubber |
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| Affiliation: | 1. Laboratório de Polímeros Condutores e Reciclagem, Instituto de Química, Universidade Estadual de Campinas, C. Postal 6154, 13084-971 Campinas, SP, Brazil;2. Instituto de Pesquisa e Desenvolvimento da Universidade do Vale do Paraíba, São José dos Campos, SP, Brazil;3. Divisão de Materiais do Instituto da Aeronáutica e Espaço do Centro Técnico Aeroespacial, São José dos Campos, SP, Brazil;1. College of Textiles and Clothing, Yancheng Institute of Technology, Jiangsu 224051, China;2. Collaborative Innovation Center for Ecological Building Materials and Environmental Protection Equipments, Jiangsu 224051, China;3. Key Laboratory for Advanced Technology in Environmental Protection, Jiangsu 224051, China;4. School of Textile and Clothing, Nantong University, Jiangsu 226019, China;5. Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201204, China;1. College of Materials Science and Engineering, Changsha University of Science & Technology, Changsha 410014, China;2. China State Key Laboratory of New Ceramics and Fine Processing, Tsinghua University, Beijing 100084, China;1. Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, People''s Republic of China;2. School of Materials Science and Engineering, Shenyang Jianzhu University, Shenyang 110168, People''s Republic of China;1. Dipartimento di Chimica e Chimica Industriale, Università di Genova, Via Dodecaneso, 31, 16146 Genova, Italy;2. Dipartimento di Scienza Applicata e Tecnologia, Politecnico di Torino-sede di Alessandria, viale Teresa Michel, 5, 15121 Alessandria, Italy;3. Dipartimento di Fisica, Università di Genova, Via Dodecaneso, 33, 16146 Genova, Italy;1. Sumitomo Osaka Cement Co., Ltd.,585 Toyotomicho, Funabashi-shi, Chiba, 274-8601, Japan;2. Division of Molecular Science, Graduate School of Science and Technology, Gunma University, 1-5-1 Tenjin, Kiryu-shi, Gunma, 376-8515, Japan;3. Department of Mechanical Design Systems Engineering, University of Miyazaki, 1-1 Gakuen Kibanadai-nishi, Miyazaki-shi, Miyazaki, 889-2192, Japan;4. KASTEC, Kyushu University,6-1 Kasuga-koen, Kasuga-shi, Fukuoka, 816-8580, Japan;5. Department of Mechanical Engineering, Kyushu University, 744 Motohka, Nishi-ku, Fukuoka, 819-0395, Japan;1. Coating Technology Research Laboratory, Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran;2. Applied Chemistry Research Laboratory, Department of Chemistry, Faculty of Science, University of Zanjan, Zanjan, Iran |
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| Abstract: | Thermal, mechanical, electrical and microwave radiation absorbing properties of conductive composites based on dodecylbenzenesulfonate doped polyaniline/organoclay nanocomposites and propylene–ethylidene–norbornene rubber have been investigated with special interest on the effect of the nanocomposite concentration. Composites were prepared by melt blending using an internal mixer. Morphology studies by scanning electron microscopy of cryofractured surfaces indicated that the conducting nanocomposites produced heterogeneously distributed aggregates in the continuous elastomeric matrix. The composites exhibit high conductivities, up to 10−3 S cm−1 for 40 wt.% of conducting nanocomposite, and good mechanical properties. They also present high microwave attenuation values, in the frequency range of 8–12 GHz. This property depends on the concentration of the conductive nanocomposite and on the film thickness. The composites can be used for antistatic coatings or for electromagnetic shielding. |
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