Review of RF Patents for Refractory Inventions

Review of RF Patents for Refractory Inventions DOI 10.1007/s11148-014-9729-5 Refractories and Industrial Ceramics Vol. 55, No. 4, November, 2014 INVENTIONS Review prepared by the editorial staff of Novye Ogneupory Translated from Novye Ogneupory, No. 7, pp. 67 – 68, July, 2014. A Method of Producing Nanodisperse Zirconium Oxide the fact that melamine sulfonic acid copolymer and formal- Powder Stabilized with Yttrium Oxide dehyde serve as the plasticizer and that calcium formate and and/or Scandium Oxide nepheline slurry are also added, with the following ratio be- tween all the components, wt.%: Portland cement, V. D. Zhuravlev and M. Yu. Sennikov 30.0 – 34.5; quartz sand, 55.0 – 59.5; limestone, 5 – 7; cellu- Patent RU 2492157 lose ester, 0.20 – 0.25; vinyl acetate copolymer with vinyl IPC C04B35/486, C04B35/626, C04B13/18 versatate, 1.0 – 1.5; melamine sulfonic acid copolymer and formaldehyde, 0.3 – 0.5; calcium formate, 1.0 – 1.2; and The invention pertains to the chemical industry, in partic- nepheline slurry,3–5. ular, to methods of producing finely dispersed powders based The technical result of the invention is seen in an im- on zirconium oxide which may be used for the fabrication of provement in the wetting power of the mixture and an in- dense wear-resistant ceramic, materials for Refractories and Industrial Ceramics Springer Journals

Review of RF Patents for Refractory Inventions

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Springer US
Copyright © 2014 by Springer Science+Business Media New York
Material Science; Characterization and Evaluation of Materials; Materials Science, general; Ceramics, Glass, Composites, Natural Methods
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