Electromagnetic Shielding of Conductive Polymer Combined Fabric

2019 ◽  
Author(s):  
Koki Edamatsu ◽  
Mizuki Motoyoshi ◽  
Noriharu Suematsu ◽  
Ken Miura ◽  
Keiichi Torimitsu
Keyword(s):  
Conductive Polymer ◽  
Electromagnetic Shielding

Conductive polymer-based electro-conductive textile composites for electromagnetic interference shielding: A review

2016 ◽  
Vol 47 (8) ◽  
pp. 2228-2252 ◽  
Author(s):  
Subhankar Maity ◽  
Arobindo Chatterjee
Keyword(s):  
Electromagnetic Interference ◽  
Conductive Polymers ◽  
Conductive Polymer ◽  
Polymer Processing ◽  
Textile Composites ◽  
Electromagnetic Shielding ◽  
Electromagnetic Interference Shielding ◽  
Textile Materials ◽  
Electromagnetic Shield ◽  
Conductive Textile

This article reviews the preparation, development and characteristics of conductive polymer-based electro-conductive textile composites for electromagnetic interference shielding. Modification of ordinary textile materials in the form of electro-conductive composites makes them suitable for this purpose. Various metallic and non-metallic electro-conductive textiles have been explored here as the material for electromagnetic shielding. Different approaches of preparing textile electromagnetic shield have been described here. Recent advancements of application of conductive polymers in the field of textile electromagnetic shielding are described. Conductive polymer-coated textile materials showed superior electrical property as electromagnetic shield. Different methods of applications of conductive polymers onto textile surface are described here with their relative merits and demerits. Different conductive polymer-coated woven and nonwoven fabrics prepared by various researchers for electromagnetic shielding are taken into account. The effects of different process parameters of polymer processing on electromagnetic shielding are described.

A Study of Thermal Stability and Electromaganetic Shielding Behavior of Polyaniline-P-Toluene Sulfonic Acid/Montmorillonite Nanocomposites

2011 ◽  
Vol 52-54 ◽  
pp. 180-185 ◽  
Author(s):  
Ming Kuen Chang ◽  
Hsin Hong Hsieh ◽  
Siou Jyuan Li
Keyword(s):  
Thermal Stability ◽  
Electromagnetic Interference ◽  
Conductive Polymer ◽  
Layered Silicate ◽  
Electromagnetic Shielding ◽  
Environmental Stability ◽  
Shielding Effectiveness ◽  
Increase With Increase ◽  
Toluene Sulfonic Acid ◽  
Wide Range

Intrinsically conductive polymer-Polyaniline had high conductivity and many other properties, such as environmental stability and rather simple synthesis. In addition, doping with organic acids could enhance its processing, so it had wide range of applications, such as solar cells, antistatic and electromagnetic interference shielding. In this study, the organic amine 1-Dodecylamine (DOA) modification of sodium montmorillonite (NA+-MMT), and conducting polymer / layered silicate salt nanocomposites (PANI-PTSA/DOA-MMT) had been prepared by doping aniline with organic acid (PTSA), then added organic clay. The thermal, electrical properties and EMI effects of nanocomposites had discussed by XRD, TEM, EMI, TGA analysis, conduction measure and EMI tested. The results indicated the organo-clay interlayer distance expanded from 1.29 to 1.8 nm, and DOA-MMT dispersed in the material, that formed an exfoliated nanocomposite. The thermal stability of nanocomposites depended on content of DOA-MMT, material had the better thermal stability when DOA-MMT load was 5 wt. %. The nanocomposites had the best conductivity when DOA-MMT load was 1 wt. % as well as the electromagnetic shielding effectiveness was increase with increase in conductivity. In addition, the electromagnetic shielding of nanocomposites also depended on thickness and frequency of electromagnetic wave, the electromagnetic shielding was increased with increase in thickness and frequency.

Preliminary Study of Polypropylene/Coir/Carbon Black Conductive Wood Plastic Composite

2012 ◽  
Vol 557-559 ◽  
pp. 338-341 ◽  
Author(s):  
Ching Wen Lou ◽  
Ruey Bin Yang ◽  
Ching Wen Lin ◽  
Chien Lin Huang ◽  
Chia Chi Fan ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Carbon Black ◽  
Conductive Polymer ◽  
Electromagnetic Shielding ◽  
Living Environment ◽  
Polymer Materials ◽  
Shielding Effectiveness ◽  
Plastic Composite ◽  
Popular Subject ◽  
Electromagnetic Shielding Effectiveness

Our living environment is full of diverse electronic products, making conductive polymer a popular subject for researchers. Insulating polypropylene (PP) can be improved in terms of conductivity by intermingling with electroconductive materials. Carbon black and carbon fiber are two materials that can supplement electroconductive and mechanical properties in insulating polymer materials. In this study, natural coir is first alkali-treated and then melt-blended with PP and carbon black, forming the composite. The resulting composite is tested in terms of its electromagnetic shielding effectiveness and mechanical properties. According to the results, when the amount of carbon black is 12 wt% and coir 3 wt%, the composite displays the optimum electromagnetic shielding of -23.56 dB, tensile strength of 37.07 MPa, and flexural strength of 47.21 MPa.

Effect of the Nature of the Layer of Conductive Polymer Composite on the Effectiveness of a Multi-Layer Electromagnetic Shielding

2014 ◽  
Vol 1064 ◽  
pp. 83-88 ◽  
Author(s):  
A. Ansri ◽  
M. Hamouni ◽  
S. Khaldi
Keyword(s):  
Composite Material ◽  
Polymer Composite ◽  
Conductive Polymer ◽  
Electromagnetic Shielding ◽  
Polymer Layer ◽  
Shielding Effectiveness ◽  
Conductive Polymer Composite ◽  
Electromagnetic Shielding Effectiveness

The purpose of this communication is to study the effect of the nature of the polymer layer on the electromagnetic shielding effectiveness of a multilayer organic based composite material. Our work is divided into two parts. In the first part, we set different layer thicknesses and the frequency is varied. In the second part, we set the frequency and do vary the nature of the polymer layer and the thickness of the different layers. The different results obtained we show that the efficiency is strongly influenced by the nature of the polymer layer.

scholarly journals Термомеханічний аналіз електропровідних композитних матеріалів на основі полівінілбутиралю

2020 ◽  
Vol 138 (5) ◽  
pp. 141-149
Author(s):  
О. О. Бутенко ◽  
А. І. Місюра ◽  
Є. П. Мамуня ◽  
В. З. Барсуков ◽  
В. Г. Хоменко
Keyword(s):  
Composite Materials ◽  
Polymer Composites ◽  
Conductive Polymer ◽  
Thermomechanical Analysis ◽  
Thermomechanical Properties ◽  
Electromagnetic Shielding ◽  
Carbonaceous Materials ◽  
Electrically Conductive ◽  
Temperature Range ◽  
Conductive Polymer Composites

The purpose of this work was to investigate the thermomechanical properties of electrically conductive polymer composites based on polyvinylbutyral, which can be used as shielding coatings for electronic equipment. The structure of electrically conductive polymer composites was studied using a desktop scanning electron microscope (Phenom Pro ). Investigations of the temperature dependence of the deformation of composite materials were obtained using the thermomechanical analyzer Q400 EM from TA Instruments, the USA in the temperature range from 20 to 180 ° C with a heating rate of 5 ° C/min. Indentor final zone diameter was 0.85 mm, applied force was 0.28 N, which corresponds to effort of 0,5 МPа. Composites based on polymer matrix and electrically conductive carbonaceous materials with the addition of magnetite have been developed. The thermomechanical analysis of composites was shown the structural transitions of the composite over a wide temperature range. Dependences for deformation derivate vs temperature have been analized. It was established that the introduction of carbonaceous materials as filler allows increasing the value of the equilibrium modulus of composite materials in the range of plastic deformation because the fillers limit the fluidity of the composite and as result their deformation. Thermomechanical analysis of composite materials for electromagnetic shielding was performed for the first time. The influence of the deformation resistance of the material was determinate taking in the account of nature and the amount of carbonaceous materials filler in the composite. Electroconductive composite materials with high thermomechanical stability was proposed for electromagnetic shielding protection in electronic devices.

Advanced 3D Printed Conductive Polymer Nanocomposites for Electromagnetic Shielding

2021 ◽  
Author(s):  
Milad Kamkar ◽  
Majed Amini ◽  
Saeed Ghaderi ◽  
Ahmadreza Ghafarkhah ◽  
Amirhossein Ahmadian Hosseini ◽  
...  
Keyword(s):  
Polymer Nanocomposites ◽  
Conductive Polymer ◽  
Electromagnetic Shielding ◽  
3D Printed

Design and fabrication of conductive polymer hydrogels and their applications in flexible supercapacitors

2020 ◽  
Vol 8 (44) ◽  
pp. 23059-23095 ◽  
Author(s):  
Xinting Han ◽  
Guangchun Xiao ◽  
Yuchen Wang ◽  
Xiaona Chen ◽  
Gaigai Duan ◽  
...  
Keyword(s):  
Conductive Polymer ◽  
Polymer Hydrogels ◽  
Conductive Materials ◽  
Flexible Supercapacitors

Conductive polymer hydrogels, which combine the advantages of both polymers and conductive materials, have huge potential in flexible supercapacitors.

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