Abstract
Interest to electrically conducting polymer composite materials in recent times has grown considerably, which is associated with the design of new branches of science and technology. The existing analogues are different in the complexity of production and high cost. One of the ways of solving the problem may be designing polymer composite materials with a combined filler. The research was carried out on creating electrically conducting hybrid polymer composites, based on emulsion polyvinyl chloride and polyethylene, using fillers of varying nature and dimensions. We studied the dependence of electrical conductivity of mono and binaryfilled polymer composites on the type and content of fillers. It was found that the binary filling allows designing electrically conducting polymer composites, which are more promising economically compared to monofilled ones. We defined physical and mechanical characteristics: tensile strength and relative elongation at break of obtained polymer composites. A method to improve them was proposed by introduction of a compatibilizer – graftpolymer of polyethylene with maleic anhydride. Depending on the value of the electrical conductivity, polymer hybrid composites can be used for: at a value of of elecrical conductivity 10 –4 –10 –7 Cm/cm as antistatic materials; at 10 1 –10 –4 Cm/cm – as scattering antistatic materials, at 10 1 – 10 4 Cm/cm as currentconducting materials.
Highlights
Today the issue of designing modern materials grows in importance, which is connected to the rapid development of new branches of science and technology
Obtained composites, based on epoxy resin containing hybrid fillers, showed that the gaps between the particles of the first filler were effectively filled with the second one with the formation of electrical conducting grid with low threshold of percolation when carbon nanotubes were added to the carbon black nanoparticles [23]
To achieve the set goal, the following tasks were solved: – we studied the influence of composition of PE and emulsion polyvinyl chloride (EPVC) composites on electrical and physical-mechanical properties; – we defined the rational compositions of electrically conducting PE and EPVC composites, according to the purpose of application
Summary
Today the issue of designing modern materials grows in importance, which is connected to the rapid development of new branches of science and technology. One of the solutions to this problem is to design new polymer materials or to improve the existing ones. Designing electrically conducting polymer materials is not an easy task as today it has to meet a number of important requirements: ease of production, cost efficiency and effectiveness of operational properties. Today there is a need to design electrically conducting polymer materials that will meet all the requirements. The solution may be to create electrically conducting polymer composite materials with a combined filler, which are still not sufficiently studied and may have promising properties, based on the properties of the constituing components of compositions
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