Title:
PRODUCTION OF TITANATE COMPOUND BASED CERAMIC MATERIAL POWDER
Document Type and Number:
Japanese Patent JP3531047
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To obtain a high purity titanate compound-based ceramic material powder having fine particle diameter and narrow in particle diameter distribution by hydrolyzing a titanium alkoxide in an organic solvent and allowing to react with a specific water soluble metallic compound.
SOLUTION: A mixed solution is prepared by carrying out a step (a) of dissolving titanium alkoxide in the organic solvent, a step (b) of adding the water soluble metallic compound (e.g. barium hydroxide) of a metal except titanium constituting the titanate compound and a step (c) of adding water necessary for hydrolyzing titanium alkoxide in order of the step (a), the step (b) and the step (c), in order of the step (b), the step (a) and the step (c), in order of step the step (b), the step (c) and the step (a) or in order of the step (c), the step (b) and the step (a). Next, the titanate compound-based ceramic material powder is obtained by heating the mixed solution preferably at 60-200°C, allowing the hydrolyzed products of titanium alkoxide to react with the water soluble metallic compound to form and deposit the titanate compound (barium titanate).
Inventors:
Suganuma, Yasushi
Kishi, Hiroshi
Hirano, Shinichi
Kishi, Hiroshi
Hirano, Shinichi
Application Number:
JP2340696A
Publication Date:
May 24, 2004
Filing Date:
January 18, 1996
Export Citation:
Assignee:
TAIYO YUDEN CO LTD
International Classes:
C04B35/46; B01J19/00; C01G23/04; (IPC1-7): C04B35/46; B01J19/00; C01G23/04
Attorney, Agent or Firm:
佐野 忠