JP5649060B2 - 酸化チタン粒子およびその製造方法 - Google Patents
酸化チタン粒子およびその製造方法 Download PDFInfo
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- JP5649060B2 JP5649060B2 JP2011069562A JP2011069562A JP5649060B2 JP 5649060 B2 JP5649060 B2 JP 5649060B2 JP 2011069562 A JP2011069562 A JP 2011069562A JP 2011069562 A JP2011069562 A JP 2011069562A JP 5649060 B2 JP5649060 B2 JP 5649060B2
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- titanium oxide
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- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims description 127
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 title claims description 119
- 239000002245 particle Substances 0.000 title claims description 77
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 238000010298 pulverizing process Methods 0.000 claims description 68
- 238000000227 grinding Methods 0.000 claims description 51
- 239000002904 solvent Substances 0.000 claims description 14
- 239000000843 powder Substances 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 7
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 1
- 230000003647 oxidation Effects 0.000 claims 1
- 229910052719 titanium Inorganic materials 0.000 claims 1
- 239000010936 titanium Substances 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 description 43
- RBTBFTRPCNLSDE-UHFFFAOYSA-N 3,7-bis(dimethylamino)phenothiazin-5-ium Chemical compound C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 RBTBFTRPCNLSDE-UHFFFAOYSA-N 0.000 description 31
- 229960000907 methylthioninium chloride Drugs 0.000 description 31
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 27
- 239000007864 aqueous solution Substances 0.000 description 25
- 238000002835 absorbance Methods 0.000 description 23
- 239000011941 photocatalyst Substances 0.000 description 20
- 238000010586 diagram Methods 0.000 description 16
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 12
- 238000005314 correlation function Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 11
- 238000004042 decolorization Methods 0.000 description 10
- 230000007423 decrease Effects 0.000 description 8
- 238000006722 reduction reaction Methods 0.000 description 8
- 238000002296 dynamic light scattering Methods 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 6
- 230000036632 reaction speed Effects 0.000 description 6
- 239000000523 sample Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 238000002441 X-ray diffraction Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 230000001699 photocatalysis Effects 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 229910010413 TiO 2 Inorganic materials 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000004809 Teflon Substances 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- 238000011481 absorbance measurement Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 230000005653 Brownian motion process Effects 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000000862 absorption spectrum Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 238000005537 brownian motion Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013481 data capture Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 239000002071 nanotube Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
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Description
Claims (5)
- 粒径がナノメートルオーダーの酸化チタン粒子であって、
アモルファス相からなる酸化チタンと、
多結晶相からなる酸化チタンと、
TiZrO4とを含む酸化チタン粒子。 - 粉砕ボールと、多結晶からなる酸化チタン粉体と、溶媒とを粉砕容器に入れる第1の工程と、
第1の時間の間、前記粉砕容器を自転および公転させる第2の工程と、
前記第2の工程の後、前記粉砕容器の自転および公転を停止し、前記第1の時間と異なる第2の時間の間、前記粉砕容器内の内容物を冷却する第3の工程と、
前記第2および第3の工程を所望の回数だけ行う第4の工程とを備える酸化チタン粒子の製造方法。 - 前記第1の工程において、前記粉砕ボール、前記酸化チタン粉体および前記溶媒は、前記粉砕ボール、前記酸化チタン粉体および前記溶媒の順で前記粉砕容器へ入れられる、請求項2に記載の酸化チタン粒子の製造方法。
- 前記第1の時間は、前記第2の時間よりも長い、請求項2または請求項3に記載の酸化チタンの製造方法。
- 前記自転の回転数は、前記公転の回転数よりも大きい、請求項2から請求項4のいずれか1項に記載の酸化チタン粒子の製造方法。
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JP2012201569A JP2012201569A (ja) | 2012-10-22 |
JP5649060B2 true JP5649060B2 (ja) | 2015-01-07 |
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Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2715861B2 (ja) * | 1993-10-04 | 1998-02-18 | 株式会社栗本鐵工所 | メカノケミカルによる非金属アモルファスの製造方法およびその装置 |
JPH11179211A (ja) * | 1997-12-25 | 1999-07-06 | Sumitomo Metal Ind Ltd | 酸化チタン系光触媒とその製造方法、多機能部材および使用方法 |
EP1479733A4 (en) * | 2002-02-27 | 2009-09-09 | Sustainable Titania Technology | SOLUTION FOR FORMING ULTRA-HYDROPHILIC PHOTOCATALYST FILM, STRUCTURE COMPRISING SAID FILM AND PROCESS FOR PRODUCING THE SAME |
JP4408349B2 (ja) * | 2003-05-19 | 2010-02-03 | 正典 平野 | 光触媒担持多孔性ゲルの製造法 |
JP2005162562A (ja) * | 2003-12-04 | 2005-06-23 | Nippon Parkerizing Co Ltd | 結晶性セラミックス粒子の製造方法 |
JP2008201853A (ja) * | 2007-02-16 | 2008-09-04 | Hoya Corp | 酸化チタン粒子含有非水性分散液の製造方法 |
CN102361686B (zh) * | 2009-03-23 | 2014-10-15 | 瓦林格光催化股份有限公司 | 使用具有微米级珠的珠磨机制备具有保持结晶度的二氧化钛纳米颗粒胶态悬浮体 |
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