JP7584874B2 - 酸化チタン粒子、その分散液、光触媒薄膜、光触媒薄膜を表面に有する部材及び酸化チタン粒子分散液の製造方法 - Google Patents

酸化チタン粒子、その分散液、光触媒薄膜、光触媒薄膜を表面に有する部材及び酸化チタン粒子分散液の製造方法 Download PDF

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JP7584874B2
JP7584874B2 JP2022550470A JP2022550470A JP7584874B2 JP 7584874 B2 JP7584874 B2 JP 7584874B2 JP 2022550470 A JP2022550470 A JP 2022550470A JP 2022550470 A JP2022550470 A JP 2022550470A JP 7584874 B2 JP7584874 B2 JP 7584874B2
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titanium oxide
titanium
component
oxide particles
particle dispersion
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JPWO2022059520A5 (https=
JPWO2022059520A1 (https=
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学 古舘
友博 井上
幹哉 樋上
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Shin Etsu Chemical Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/063—Titanium; Oxides or hydroxides thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/08—Silica
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/14—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of germanium, tin or lead
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/74—Iron group metals
    • B01J23/745—Iron
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/835—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with germanium, tin or lead
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/20—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state
    • B01J35/27—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state in a liquid or molten state
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B01J35/39—Photocatalytic properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B01J35/391—Physical properties of the active metal ingredient
    • B01J35/394—Metal dispersion value, e.g. percentage or fraction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B01J35/391—Physical properties of the active metal ingredient
    • B01J35/395—Thickness of the active catalytic layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/58—Fabrics or filaments
    • B01J35/59—Membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0215—Coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0215—Coating
    • B01J37/0221—Coating of particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/03—Precipitation; Co-precipitation
    • B01J37/031—Precipitation
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/03—Precipitation; Co-precipitation
    • B01J37/031—Precipitation
    • B01J37/033—Using Hydrolysis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/03—Precipitation; Co-precipitation
    • B01J37/038—Precipitation; Co-precipitation to form slurries or suspensions, e.g. a washcoat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/04—Mixing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/08—Heat treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/08—Heat treatment
    • B01J37/10—Heat treatment in the presence of water, e.g. steam
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G23/00—Compounds of titanium
    • C01G23/04—Oxides; Hydroxides
    • C01G23/047—Titanium dioxide
    • C01G23/053—Producing by wet processes, e.g. hydrolysing titanium salts
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B01J2235/00—Indexing scheme associated with group B01J35/00, related to the analysis techniques used to determine the catalysts form or properties
    • B01J2235/15—X-ray diffraction
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G23/00—Compounds of titanium
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G23/00—Compounds of titanium
    • C01G23/04—Oxides; Hydroxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G23/00—Compounds of titanium
    • C01G23/04—Oxides; Hydroxides
    • C01G23/047—Titanium dioxide

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Catalysts (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Dispersion Chemistry (AREA)
JP2022550470A 2020-09-15 2021-09-03 酸化チタン粒子、その分散液、光触媒薄膜、光触媒薄膜を表面に有する部材及び酸化チタン粒子分散液の製造方法 Active JP7584874B2 (ja)

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JP2020154253 2020-09-15
JP2020154253 2020-09-15
PCT/JP2021/032426 WO2022059520A1 (ja) 2020-09-15 2021-09-03 酸化チタン粒子、その分散液、光触媒薄膜、光触媒薄膜を表面に有する部材及び酸化チタン粒子分散液の製造方法

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CN (1) CN116113494A (https=)
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USD994094S1 (en) * 2021-02-04 2023-08-01 Lg Innotek Co., Ltd. Sensor housing
CN120115166B (zh) * 2025-05-15 2025-07-18 淮北师范大学 一种协同反应制备TiO2-Bi2O(OH)2SO4纳米复合物的方法

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000300984A (ja) 1999-04-22 2000-10-31 Daikin Ind Ltd ペースト押出し成形用の光触媒粒子含有ポリテトラフルオロエチレン成形材料、その製法およびそれを用いて得られた成形品
JP2001149855A (ja) 1999-09-14 2001-06-05 Toto Ltd 光触媒性被覆着色物品及びその製造方法
JP2011240247A (ja) 2010-05-18 2011-12-01 Shin-Etsu Chemical Co Ltd 可視光応答型酸化チタン系微粒子分散液及びその製造方法
CN103203245A (zh) 2013-04-10 2013-07-17 山东大学 降解空气中有机物的高比表面光催化涂层材料及制备方法
WO2016152487A1 (ja) 2015-03-23 2016-09-29 信越化学工業株式会社 可視光応答型光触媒酸化チタン微粒子分散液、その製造方法、及び光触媒薄膜を表面に有する部材
WO2018012240A1 (ja) 2016-07-14 2018-01-18 信越化学工業株式会社 可視光応答型光触媒活性を有する表面層を有する内装材及びその製造方法
JP2020142935A (ja) 2019-03-04 2020-09-10 信越化学工業株式会社 酸化チタン微粒子混合物、その分散液、光触媒薄膜、光触媒薄膜を表面に有する部材及び酸化チタン微粒子分散液の製造方法
JP2020142936A (ja) 2019-03-04 2020-09-10 信越化学工業株式会社 酸化チタン微粒子、その分散液、及び分散液の製造方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2909403B2 (ja) 1994-02-07 1999-06-23 石原産業株式会社 光触媒用酸化チタンおよびその製造方法
JPH10259320A (ja) * 1997-03-18 1998-09-29 Mitsubishi Materials Corp 光触媒塗料およびその製造方法並びにそれを塗布した塗膜
JPH1112539A (ja) * 1997-06-20 1999-01-19 Nippon Parkerizing Co Ltd 機能性塗料組成物、および機能性塗膜の形成方法
JPH11130985A (ja) * 1997-10-27 1999-05-18 Mizusawa Ind Chem Ltd 光触媒機能を有する抗菌・消臭塗料組成物
JP5055271B2 (ja) 2006-04-28 2012-10-24 石原産業株式会社 光触媒及びその製造方法並びにそれを用いた光触媒コート剤、光触媒分散体、光触媒体
JP5161555B2 (ja) 2007-12-20 2013-03-13 住友化学株式会社 酸化タングステン光触媒体の製造方法
JP5498009B2 (ja) 2008-10-30 2014-05-21 国立大学法人 東京大学 光触媒材料、有機物分解方法、内装部材、空気清浄装置、酸化剤製造装置
US9604198B2 (en) 2012-09-19 2017-03-28 Shin-Etsu Chemical Co., Ltd. Visible light-responsive photocatalytic nanoparticle dispersion liquid, method for producing same, and member having photocatalytic thin film on surface
US11059036B2 (en) * 2016-09-12 2021-07-13 Shin-Etsu Chemical Co., Ltd. Mixture of visible light-responsive photocatalytic titanium oxide fine particles, dispersion liquid thereof, method for producing dispersion liquid, photocatalyst thin film, and member having photocatalyst thin film on surface
EP3604226B1 (en) * 2017-03-31 2025-04-23 JGC Catalysts and Chemicals Ltd. Method for producing dispersion of iron-containing rutile-type titanium oxide microparticles, iron-containing rutile-type titanium oxide microparticles and applications thereof

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000300984A (ja) 1999-04-22 2000-10-31 Daikin Ind Ltd ペースト押出し成形用の光触媒粒子含有ポリテトラフルオロエチレン成形材料、その製法およびそれを用いて得られた成形品
JP2001149855A (ja) 1999-09-14 2001-06-05 Toto Ltd 光触媒性被覆着色物品及びその製造方法
JP2011240247A (ja) 2010-05-18 2011-12-01 Shin-Etsu Chemical Co Ltd 可視光応答型酸化チタン系微粒子分散液及びその製造方法
CN103203245A (zh) 2013-04-10 2013-07-17 山东大学 降解空气中有机物的高比表面光催化涂层材料及制备方法
WO2016152487A1 (ja) 2015-03-23 2016-09-29 信越化学工業株式会社 可視光応答型光触媒酸化チタン微粒子分散液、その製造方法、及び光触媒薄膜を表面に有する部材
WO2018012240A1 (ja) 2016-07-14 2018-01-18 信越化学工業株式会社 可視光応答型光触媒活性を有する表面層を有する内装材及びその製造方法
JP2020142935A (ja) 2019-03-04 2020-09-10 信越化学工業株式会社 酸化チタン微粒子混合物、その分散液、光触媒薄膜、光触媒薄膜を表面に有する部材及び酸化チタン微粒子分散液の製造方法
JP2020142936A (ja) 2019-03-04 2020-09-10 信越化学工業株式会社 酸化チタン微粒子、その分散液、及び分散液の製造方法

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WO2022059520A1 (ja) 2022-03-24
US20230356196A1 (en) 2023-11-09
EP4215491A1 (en) 2023-07-26
CN116113494A (zh) 2023-05-12
EP4215491A4 (en) 2024-10-23
KR20230069164A (ko) 2023-05-18
TW202227365A (zh) 2022-07-16
AU2021342913A1 (en) 2023-05-25
JPWO2022059520A1 (https=) 2022-03-24

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