Preparation of poly(2-ethyl aniline)/kaolinite composite materials and investigation of their properties
Source abstract
Abstract
Abstract Conductive poly(2-ethyl aniline) (PEAn)/kaolinite composite was prepared by chemical polymerization in aqueous HCl medium in the presence of kaolinite particles by using potassium chromate (K 2 CrO 4 ) as oxidant. Effects of polymerization conditions, such as concentrations of oxidant and 2-ethyl aniline, polymerization time and temperature on PEAn content and conductivity of composite, were investigated. The prepared composite material, having the highest PEAn content and conductivity, was obtained in the polymerization carried out at 20 °C for 2 h with 0.2 M K 2 CrO 4 and 0.2 M EAn. It was observed that the micro-hardness of prepared composites increased with the increase in the PEAn contents of composites. The highest micro-hardness value of 7.92 kg mm −2 was reached at 24.6% PEAn content. Characterization of composites was carried out by FTIR spectroscopy, XRD, TGA and SEM techniques.
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Research context
OpenAlex topics: Conducting polymers and applications · Analytical Chemistry and Sensors · Electrochemical sensors and biosensors
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