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Title:
METHOD FOR PRODUCING BARIUM TITANYL OXALATE, AND METHOD FOR PRODUCING BARIUM TITANATE
Document Type and Number:
Japanese Patent JP2013151516
Kind Code:
A
Abstract:

To provide barium titanyl oxalate having a small difference in Ba/Ti molar ratio over the whole particle diameter, and to provide barium titanate having excellent crystallinity.

A method for producing barium titanyl oxalate includes carrying out the formation reaction of the barium titanyl oxalate while feeding an aqueous solution (A1 liquid) obtained by mixing oxalic acid and titanium tetrachloride with water, and an aqueous solution (B1 liquid) of barium chloride to a reaction vessel and discharging the reaction liquid from the reaction vessel.


Inventors:
Inoue, Hideki
Hieda, Toyohiko
Application Number:
JP2013000042891
Publication Date:
August 08, 2013
Filing Date:
March 05, 2013
Export Citation:
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Assignee:
NIPPON CHEM IND CO LTD
International Classes:
C07C51/41; C01G23/00; C07C55/06; C07F3/00; C07F7/28
Domestic Patent References:
JPH03103322A1991-04-30
JP2004123431A2004-04-22
JPS61146710A1986-07-04
JPH0585727A1993-04-06
JPH06345518A1994-12-20
JPH03103322A1991-04-30
Attorney, Agent or Firm:
赤塚 賢次
福田 保夫
阪田 泰之