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Publikācija: Enhanced Mechanical

Publication Type Publication (anonimusly reviewed) in a journal with an international editorial board indexed in other databases
Funding for basic activity Other research projects
Defending: ,
Publication language English (en)
Title in original language Enhanced Mechanical, Conductivity, and Dielectric Characteristics of Ethylene Vinyl Acetate Copolymer Composite Filled with Carbon Nanotubes
Field of research 2. Engineering and technology
Sub-field of research 2.5 Materials engineering
Authors Sergejs Gaidukovs
E. Zukulis
Ivans Bočkovs
Romāns Vaivodišs
Gerda Gaidukova
Keywords Ethylene vinyl acetate, composites, carbon nanotubes, properties, thermal conductivity View access options
Abstract We report high mechanical, dielectric, and thermal performance of carbon nanotubes (CNT) reinforced ethylene vinyl acetate (EVA) composites, fabricated using conventional melt extrusion processing. CNT have extremely high stiffness, electrical conductivity, and surface area, ensuring strong interactions with the polymer and effective reinforcement. The addition of CNT to EVA leads to an extremely high yield strength and Young’s modulus of the composites. The EVA composite produced, containing 5 wt% CNT, exhibited an almost 3-fold increase in Young’s modulus and a 2.2-fold improvement of yield strength compared to neat EVA. However, the composite maintained high deformation properties—a ductility of 1300%. Scanning electron microscopy analysis evidences the agglomeration of the CNT in the EVA/CNT composites. The EVA/CNT composites gained excellent electrostatic discharge properties—a surface resistivity in the range of 108 Ω/square. The observed thermal conductivity of the composites was increased by about 30% without losing the electrically insulating performance.
DOI: 10.1177/0892705717734603
Hyperlink: http://journals.sagepub.com/doi/10.1177/0892705717734603 
Reference Gaidukovs, S., Zukulis, E., Bočkovs, I., Vaivodišs, R., Gaidukova, G. Enhanced Mechanical, Conductivity, and Dielectric Characteristics of Ethylene Vinyl Acetate Copolymer Composite Filled with Carbon Nanotubes. Journal of Thermoplastic Composite Materials, 2018, Vol.31, No.9, pp.1161-1180. ISSN 0892-7057. e-ISSN 1530-7980. Available from: doi:10.1177/0892705717734603
Additional information Citation count:
ID 26098