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Acrylic acid in the synthesis of a trimetallic nano oxide as NIR reflectance pigment via polymer pyrolysis method
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1  Department of Chemistry, Iran University of Science and Technology, Tehran, Iran


Recently, the polymer pyrolysis method by means of acrylic acid and metal salts has been developed for prepatation of different metal oxides. The co-polymeric precursor compounds are schematically supposed to have metal ions attached by the ionic bonds to carboxylate ions in a polymeric chain or between the polymeric chains. This uniform distribution of metal ions and in the precursor favors the formation of uniformly distributed solid solution of the metallic oxides in the pyrolysis process. In this work, a trimetallic oxide as a pigment with high near-infrared (NIR) reflectance was synthesized by reaction of titanium butoxide with metal acetate (M = Mn, Ni, Ti) in acrylic acid via polymer pyrolysis method. The pigment properties of the oxide were investigated by X-ray diffraction (XRD), field-emission scanning electron microscopy (FESEM) and NIR diffuse reflectance spectroscopy (DRS).

Keywords: Acrylic acid, NIR reflectance, Trimetallic oxide, Polymer Pyrolysis