Preparation and characterization of castor oil-based polyurethane/poly(o- methoxyaniline) blend film
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Blends made up of castor oil-based polyurethane (PU) and poly(o-methoxyaniline) (POMA) were obtained in the form of films by casting and characterized by FTIR, UV-Vis-NIR spectroscopy, and electrical conductivity measurements. Doping was carried out by immersing the films in 1.0M HCl aqueous solution. Chemical bonds between NCO group of PU and NH group of POMA were observed by means of FTIR spectra. The UV-Vis-NIR spectra indicated that the presence of the PU in the blend does not affect doping and formation of the POMA phase. The electrical conductivity research was in the range of 10-3 S/cm. © 2007 Wiley Periodicals, Inc.
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Blends, Castor oil, Conducting polymer, Poly(o-methoxyaniline), Polyurethane, Chemical bonds, Doping (additives), Electric conductivity, Fourier transform infrared spectroscopy, Near infrared spectroscopy, Polymer films, Polyurethanes, Ultraviolet radiation, Vegetable oils, electrical conductivity, film, oil, polymer blend, polyurethane
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Journal of Applied Polymer Science, v. 105, n. 2, p. 706-709, 2007.
