新型二酸化チタン及びその製造方法 - National Institute of Advanced Industrial Science and Technology

Title:

新型二酸化チタン及びその製造方法

Document Type and Number:

Japanese Patent JP4565160

Kind Code:

B2

Abstract:

To provide a new type titanium dioxide having a crystal structure characterized in that a ramsdellite type partial structure and a rutile type partial structure are alternately layered and the ratio of the ramsdellite type and the rutile type partial structure can be arbitrarily controlled, and a method for producing the same.

This method for producing the new type titanium dioxide, represented by general formula TiO2and having both of a partial structure with ramsdellite type crystal structure and a partial structure with rutile type crystal structure, where the ramsdellite type partial structure and the rutile type partial structure are alternately layered, comprises heat treating ramsdellite type titanium dioxide powder at 150-400°C. Figure 4 shows a result of the measurement of an absorption spectrum the sample.

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Inventors:

Yasuhiko Takahashi
Kijima Rinto
Junji Akimoto

Application Number:

JP2005329774A

Publication Date:

October 20, 2010

Filing Date:

November 15, 2005

Export Citation:

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Assignee:

National Institute of Advanced Industrial Science and Technology

International Classes:

C01G23/047; B01J35/02

Other References:

Junji Akimoto et al.,Synthesis and Crystal Structure of LixTi3O6(x=0.74): An Intergrowth Phase of Rutile and Ramsdellite Structure,Journal of Solid State Chemistry,米国,1997年 2月15日,Vol.129 No.1,Page.7-11
I. E. Grey et al.,New Phases Formed in the Li-Ti-O System under Reducing Conditions,Journal of Solid State Chemistry,米国,1998年 6月,Vol.138 No.1,Page.74-86
秋本順二他,ラムスデライト型TiO2の合成と構造,日本化学会講演予稿集,日本,1993年 3月,Vol.65th No.1,Page.14
A. LE. BAIL et al.,Crystal Structure and thermal behaviour of H2Ti3O7: A new defective ramsdellite form from Li+/H+ exchange on Li2Ti3O7,Materials Research Bulletin,米国,1992年 1月,Vol.27 No.1,Page.75-85

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