Rosin used as a potential organic precursor in synthesis of blue pigment for ceramic

• Published in: Materials chemistry and physics 2022-03, Vol.280, p.125840, Article 125840
• Main Authors: Quy Huong, Dinh, Duong, Tran, Linh, Nguyen Le My
• Format: Article
• Language: English
• Subjects: Blue; Colophony; Colorimetry; Fourier transforms; Heating rate; Infrared analysis; Low temperature; Pigments; Precursor; Precursors; Rosin; Spinel; Thermal analysis; Thermal stability; X-ray diffraction
• ISSN: 0254-0584; 1879-3312
• DOI: 10.1016/j.matchemphys.2022.125840

Single−phase ZnAl2O4 spinel successfully synthesized at low temperatures using rosin as an organic precursor. Co(II) ions were doped to the ZnAl2O4 spinel structure to produce Zn1-xCoxAl2O4 blue pigments (x = 0.1, 0.3, 0.5, 0.7, 0.9). The obtained powders were characterized by Thermal Analysis (TG−DSC), X−ray Diffraction (XRD), Fourier transform infrared (FTIR) spectroscopy and CIE L*a*b* colorimetry. The TG-DSC data suggested that the calcination temperature of ZnAl2O4 spinel formation started from 900 °C. Besides, XRD results showed that the spinel structure calcinated for 4 h, at 1000 °C with 15 °C/min heating rate had good crystallinity. The intensity of blue color increased gradually with the content of Co(II). The obtained pigments which presented high thermal stability were suitable for the production of enamel. [Display omitted] •Rosin is used as an organic precursor in synthesis of spinel-structured materials.•Single−phase zinc aluminate is successfully synthesized at low temperature.•Co(II) ion is doped to the ZnAl2O4 spinel structure to produce blue pigment.•Obtained blue pigment is glossy, durable and suitable for the production of enamel.