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Effect of solvents and dispersants on polyol synthesis of V–ZrSiO 4 nanopigment stable suspension for ink application
Journal of Coatings Technology and Research ( IF 2.3 ) Pub Date : 2020-04-20 , DOI: 10.1007/s11998-020-00343-2
Hossein Heydari , Mardali Yousefpour , Esmaeil Emadoddin , Maryam Hosseini Zori , Mohsen Khajeh Aminian

The polyol method was implemented to prepare stable V–ZrSiO4 suspensions as ceramic ink. It was shown how the rheology, surface tension, viscosity, and particle size of suspensions were affected by the length of polyol solvent and dispersants. The effect of ethylene glycols, diethylene glycol (DEG), triethylene glycol, and tetraethylene glycol as solvents, as well as polyvinylpyrrolidone (PVP) and cetyltrimethylammonium bromide as dispersants on the ink properties was investigated. The X-ray diffraction, Fourier-transform infrared (FTIR), electron microscopy (FESEM/TEM) and dynamic light scattering analyses were performed to characterize the features of nanopigments. Crystalline V–ZrSiO4 nanopigment was obtained at 1100°C by DEG solvent in the presence of PVP. The sizes of the resulting nanoparticles were in the range of 10–50 nm. The achieved suspensions were tested as ceramic inks on a tile, and the colorimetric CIELAB parameters were measured. The CIE L*a*b* values confirmed the blue color. The surface tension and viscosity of prepared ceramic ink, as well as microstructure of the annealed nanopigments, were in the range required for drop-on-demand inkjet printers.



中文翻译:

溶剂和分散剂对油墨中V–ZrSiO 4纳米颜料稳定悬浮液多元醇合成的影响

实施多元醇法可制备稳定的V-ZrSiO 4悬浮液,用作陶瓷油墨。结果表明,悬浮液的流变性,表面张力,粘度和粒度如何受到多元醇溶剂和分散剂长度的影响。研究了乙二醇,二甘醇(DEG),三甘醇和四甘醇作为溶剂,以及聚乙烯吡咯烷酮(PVP)和十六烷基三甲基溴化铵作为分散剂对油墨性能的影响。进行了X射线衍射,傅立叶变换红外(FTIR),电子显微镜(FESEM / TEM)和动态光散射分析,以表征纳米颜料的特征。V–ZrSiO 4晶体在PVP存在下,通过DEG溶剂在1100℃获得纳米颜料。所得纳米颗粒的尺寸在10–50 nm范围内。将获得的悬浮液作为瓷砖上的陶瓷油墨进行测试,并测量比色CIELAB参数。CIE L * a * b *值确认为蓝色。制备的陶瓷油墨的表面张力和粘度,以及经退火的纳米颜料的微观结构,均处于按需喷墨打印机所要求的范围内。

更新日期:2020-04-20
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