Synthesis of o-aminophenol-m-phenylenediamine copolymer: an eco-friendly approach
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Poly (o-aminophenol-co-m-phenylenediamine) P(oAP-mPDA) as a copolymer is successfully synthesized by mechanochemical solid state polymerization (MCSSP) as a green and simple method. The mechanochemical solid state polymerization is achieved by a developed Mortar Grinder RM200 without using any solvents during the preparation process. The copolymer was also prepared by traditional interfacial polymerization method (IP). A comparison between the resulting copolymers of the two methods is conducted by various analyses including, Fourier transform infrared spectra (FTIR), ultra violet, visible spectra (UV-Vis), X-ray diffraction (XRD), scanning electron microscope (SEM), and thermogravimetric analysis (TGA). The analyses revealed that there is a good agreement between the two copolymers synthesized by MCSSP and IP method. The energy band gap was determined and found to be 2.19 eV and 2.09 eV for the copolymer synthesized by MCSSP method and the IP method, respectively. The investigated copolymers are located in the semiconductor material range and displayed a good thermal stability.
KeywordsGreen method Polymers Mechanochemical solid state polymerization Conducting copolymers
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