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ISSN : 1225-0562(Print)
ISSN : 2287-7258(Online)
Korean Journal of Materials Research Vol.24 No.2 pp.73-80

Synthesis and Characterization of CoAl2O4 Glazed Blue Ceramic Ink for Ink-Jet Printing

Lee, Ki-Chan, Yoon, Jong-Won, Kim, Jin-Ho, Hwang, Kwang-Taek, Han, Kyu-Sung


Ink-jet printing technology has been widely attractive due to its facility for direct and fine printing on various substrates. Recent studies have focused on expanding the application of ink-jet printing technology from general consumer use and design companies to the prototype production of precision parts and parts manufacturing. The use of ink-jet printing technology in decorated tableware, tiles, and other ceramic products also has many advantages. The printing process is fast and can be adaptable to various kinds of objects because there is no direct contact point between the printer and the substrates to be printed. For application to ceramic product decoration, inks containing highly dispersed inorganic nano-pigments are required. Here we report the synthesis and characterization of blue CoAl2O4 nanopigment for ink-jet printing. Blue ceramic ink based on the obtained CoAl2O4 pigment was prepared by dissolving CoAl2O4 pigment in a mixed solution of ethylene glycol and ethanol with volume ratios of 7:3 and 8:2, respectively, to obtain the appropriate viscosity for ink-jet printing. The ink solution contained 15 wt% of CoAl2O4 pigment and Cetyltrimethyl ammonium bromide(CTAB) and Sodium dodecyl sulfate(SDS) as dispersive agents. The prepared blue ceramic ink was stably jetted and formed a sphere-shaped droplet from an ink-jet printer.

Ink-jet 프린팅용 CoAl2O4 고화도 나노 무기 잉크 제조 및 프린팅 특성평가

이기찬, 윤종원, 김진호, 황광택, 한규성