CHARGE FOR PRODUCTION OF THE BLUE COLOR CERAMIC PIGMENT Russian patent published in 2006 - IPC C03C1/04 C04B33/14 

FIELD: ceramic industry; production of ceramic pigments for decoration of the whiteware and majolica products.

SUBSTANCE: the invention is pertaining to ceramic industry, in particular to the field of production of the ceramic pigments for decoration of the whiteware and majolica products. The technical result of the invention is reduction of the temperature of the pigment synthesis and improvement of its color properties. The charge for production of the ceramic pigment contains: talcum,_{Al2О3, SiO2, CoO, and additionally contains the topaz concentrate at the following contents of the components (in mass %): Talcum - 41.0-42.9; Al2О3 - 23.0-30.8;SiO2 - 23.1-23.7; CoO - 2.1-8.4; the topaz concentrate - 2.0-3.0. The pigment synthesis temperature is 1100-1200°С. The pigment is recommended for production of the underglaze and overglaze ceramic paints used for the ceramic masses coloring.}

EFFECT: the invention ensures production of the underglaze and overglaze ceramic paints used for the ceramic masses coloring.

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