Title:
BARIUM TITANYL OXALATE, METHOD FOR PRODUCING SAME, AND METHOD FOR PRODUCING BARIUM TITANATE
Document Type and Number:
WIPO Patent Application WO/2021/251451
Kind Code:
A1
Abstract:
The present invention provides barium titanyl oxalate which makes it possible to obtain barium titanate that has a small particle size and that is highly crystalline. The present invention also provides a method for producing said barium titanyl oxalate in an industrially advantageous manner. The barium titanyl oxalate is characterized in that, in thermogravimetric analysis, the temperature at which the weight reduction rate reaches 99% of the weight reduction rate at 1000°C is 600-700°C. The method for producing said barium titanyl oxalate is a method for producing said barium titanyl oxalate by mixing and reacting a solution (liquid A) containing oxalic acid with a solution (liquid B) containing a titanium compound and a barium compound, and is characterized in that: first the liquid A is filled into a reactor vessel, and subsequently, while stirring the liquid A in the reactor vessel, the liquid B is mixed with the liquid A; and the time from when mixing of the liquid B into the liquid A starts to when said mixing ends is not more than 10 seconds.
Inventors:
TANNO KOSUKE (JP)
KUNIEDA TAKEHISA (JP)
KUNIEDA TAKEHISA (JP)
Application Number:
PCT/JP2021/022043
Publication Date:
December 16, 2021
Filing Date:
June 10, 2021
Export Citation:
Assignee:
NIPPON CHEMICAL IND (JP)
International Classes:
C01G23/00; C07C51/41; C07C55/06; C07F3/00; C07F7/28
Domestic Patent References:
| WO2012017752A1 | 2012-02-09 |
Foreign References:
| JP2013151516A | 2013-08-08 | |||
| JP2013063867A | 2013-04-11 |
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