JP5281415B2 - ナノ粒子の形態のTiO2の水性分散液の製造方法、及びこの方法で得られる分散体 - Google Patents
ナノ粒子の形態のTiO2の水性分散液の製造方法、及びこの方法で得られる分散体 Download PDFInfo
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Description
5グラムの濃HClと、7.5グラムのTX−100と、総重量750グラムまでの水とを、外部ジャケットに循環する非断熱性油によって加熱した2リットルの反応器に入れた。温度を50℃に上昇させた。この時点で、50グラムのTi[OCH(CH3)2]4(TIP)を素早く添加すると、直ちに白色羊毛状の沈殿を見ることができた。
特性は、溶液中に存在する二酸化チタンの濃度を測定すること(ICP法)及び粒子のサイズを測定すること(DLS法)によって決定した。
濃度:TiO21.5重量%
粒子のサイズ:0.282の多分散率で36.67nm
5グラムの濃HClと、7.5グラムのTX−100と、総重量750グラムまでの水とを、外部ジャケットに循環する非断熱性油によって加熱した2リットルの反応器に入れた。温度を50℃に上昇させた。この時点で、50グラムのTIPを素早く添加すると、直ちに白色羊毛状の沈殿を見ることができた。
濃度:TiO21.45重量%
粒子のサイズ:0.216の多分散率で30.26nm
実施例2の合成で得た生成物500ccをロータリーエバポレーターに入れ、濃縮した。恒温槽を40℃に加熱し、そして油圧真空ポンプで恒温槽内を真空にした。
濃度:TiO26.69重量%
粒子のサイズ:0.269の多分散率で26.72nm
5グラムの濃HClと、1.0グラムのTX−100と、総重量936グラムまでの水とを、外部ジャケットに循環する非断熱性油によって加熱した2リットルの反応器に入れた。温度を50℃に上昇させた。この時点で、64グラムのTIPを素早く添加すると、直ちに白色羊毛状の沈殿を見ることができた。
濃度:TiO21.8重量%
粒子のサイズ:0.246の多分散率で49.62nm
5グラムの濃HClと、総重量936グラムまでの水とを、外部ジャケットに循環する非断熱性油によって加熱した2リットルの反応器に入れた。温度を50℃に上昇させた。この時点で、64グラムのTIPを素早く添加すると、直ちに白色羊毛状の沈殿を見ることができた。
濃度:TiO21.8重量%
粒子のサイズ:0.286の多分散率で52.71nm
繊維に、水相中のTiO2のナノ粒子分散体を施す例
実施例1〜5に記載したようにして得た懸濁液は、繊維を処理し、皮膚に有害な紫外線を繊維に吸着させ、それにより皮膚ガンが発生する危険をさせる。
セラミック又はガラス表面に、水相中のTiO2のナノ粒子分散体を施す例
実施例1〜5に記載したようにして得た懸濁液をそのままの濃度で又は稀釈(水又はアルコールで)して、セラミック又はガラス表面に(エアーブラシ又は浸漬被覆法を用いて)施すことができる。こうして得られた表面は、施した層が完全に透明であるので、最初の特徴を維持している。この表面は、光触媒特性を用いた全ての機能、すなわち、自己洗浄、抗菌性、有機汚染物質を低減させる機能を有する。
Claims (16)
- チタンアルコキシドを、ハロゲン酸及び非イオン界面活性剤の存在下、水中で、45℃〜55℃の温度にて加熱することにより反応させることを特徴とする鋭錐石形態のTiO2のナノ粒子分散体の製造方法。
- 前記チタンアルコキシドが、チタンメトキシド、エトキシド、ノルマルプロポキシド、イソプロポキシド、ノルマルブトキシド及びイソブトキシドから成る一群から選択されることを特徴とする請求項1記載の方法。
- 前記チタンアルコキシドが、チタンイソプロポキシドであることを特徴とする請求項2記載の方法。
- 前記ハロゲン酸がHCLであることを特徴とする請求項1記載の方法。
- 前記非イオン界面活性剤がエーテル又はエステル型の極性機能をもつことを特徴とする請求項1〜4のいずれか一項に記載の方法。
- 非イオン界面活性剤/ハロゲン酸のモル比が0.005〜15であることを特徴とする請求項1〜5のいずれか一項に記載の方法。
- 非イオン界面活性剤/ハロゲン酸のモル比が5〜6であることを特徴とする請求項6記載の方法。
- 反応時間が24時間であることを特徴とする請求項1記載の方法。
- チタンアルコキシド、ハロゲン酸及び非イオン界面活性剤を含む溶液にAg、又はCu又はCeの金属塩が添加されることを特徴とする請求項1〜8のいずれか一項に記載の方法。
- 請求項1〜9のいずれか一項に記載の方法を用いて得ることのできる水中における鋭錐石形態のTiO2のナノ粒子分散体。
- 請求項9に記載の方法を用いて得ることのできる、一連の遷移金属から選択した金属でTiがドープされたことを特徴とする水中における鋭錐石形態のTiO2のナノ粒子分散体。
- 前記遷移金属が、Ag、Cu及びCeから成る群から選択される請求項11記載のTiO2のナノ粒子分散体。
- 処理を必要とする表面に光触媒コーティングを施すための請求項10〜12のいずれか一項に記載のTiO2のナノ粒子分散体の使用。
- 前記表面が、編織布、金属、セラミック及びエナメル製品の表面の中から選択される請求項13記載のTiO2のナノ粒子分散体の使用。
- 気体及び液体の光触媒による汚染除去のための請求項10〜12のいずれか一項に記載のTiO2のナノ粒子分散体の使用。
- 太陽光線に対して人の皮膚を保護する化粧品を作るための請求項10〜12のいずれか一項に記載のTiO2のナノ粒子分散体の使用。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITFI2006A000030 | 2006-02-01 | ||
| IT000030A ITFI20060030A1 (it) | 2006-02-01 | 2006-02-01 | Processo per la preparazione di dispersioni acquose di ti02 in forma nanoparticelle e dispersioni ottenibili con questo processo |
| PCT/EP2007/050826 WO2007088151A1 (en) | 2006-02-01 | 2007-01-29 | Method for the preparation of aqueous dispersions of tio2 in the form of nanoparticles, and dispersions obtainable with this method |
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| Publication Number | Publication Date |
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| JP2009525246A JP2009525246A (ja) | 2009-07-09 |
| JP2009525246A5 JP2009525246A5 (ja) | 2013-05-02 |
| JP5281415B2 true JP5281415B2 (ja) | 2013-09-04 |
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| JP2008552790A Active JP5281415B2 (ja) | 2006-02-01 | 2007-01-29 | ナノ粒子の形態のTiO2の水性分散液の製造方法、及びこの方法で得られる分散体 |
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| US (1) | US8431621B2 (ja) |
| EP (1) | EP1996515B1 (ja) |
| JP (1) | JP5281415B2 (ja) |
| KR (1) | KR101353850B1 (ja) |
| CN (1) | CN101378993B (ja) |
| AT (1) | ATE490220T1 (ja) |
| AU (1) | AU2007211536B2 (ja) |
| BR (1) | BRPI0707256B1 (ja) |
| CA (1) | CA2640938C (ja) |
| DE (1) | DE602007010908D1 (ja) |
| DK (1) | DK1996515T3 (ja) |
| ES (1) | ES2357369T3 (ja) |
| IT (1) | ITFI20060030A1 (ja) |
| NZ (1) | NZ570356A (ja) |
| PL (1) | PL1996515T3 (ja) |
| PT (1) | PT1996515E (ja) |
| RU (1) | RU2431604C2 (ja) |
| WO (1) | WO2007088151A1 (ja) |
| ZA (1) | ZA200806991B (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| ITFI20060034A1 (it) | 2006-02-03 | 2007-08-04 | Colorobbia Italiana Spa | Processo per la funzionalizzazione di superfici metalliche in titanio con particelle di titanio nanometriche e prodotti cosi' funzionalizzati |
| KR100921381B1 (ko) | 2008-02-19 | 2009-10-14 | 성균관대학교산학협력단 | 비표면적이 증가된 신규한 이산화티탄 촉매 및 이의제조방법 |
| US20110220855A1 (en) * | 2010-03-12 | 2011-09-15 | Weir John D | Self-Cleaning Coating for Protection Against Hazardous Biopathogens and Toxic Chemical Agents Utilizing Both Super Hydrophobic Effects and Suitable Oxide Interfaces |
| CN101844805A (zh) * | 2010-06-08 | 2010-09-29 | 上海工程技术大学 | 一种制备水性高分散纳米二氧化钛的方法 |
| SI23501A (sl) | 2010-10-25 | 2012-04-30 | CINKARNA Metalurško kemiÄŤna industrija Celje, d.d. | Postopek za pridobivanje nanodelcev anatasa visoke specifične površine in sferične morfologije |
| ITFI20110038A1 (it) | 2011-03-03 | 2012-09-04 | Colorobbia Italiana Spa | Cerameri, loro applicazione ed uso. |
| KR101341250B1 (ko) * | 2011-11-28 | 2013-12-12 | 박홍욱 | 연소 및 광촉매성 세라믹 코팅제 조성물 및 이를 이용한 유해가스 저감 코팅제품 |
| RU2477257C1 (ru) * | 2011-12-26 | 2013-03-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный университет" (СПбГУ) | Композиция на основе нанокристаллического диоксида титана, способ ее изготовления и способ применения композиции для получения фотокаталитического покрытия на стекле |
| EP2827987B1 (en) * | 2012-03-20 | 2021-05-26 | Välinge Photocatalytic AB | Photocatalytic compositions comprising titanium dioxide and anti-photogreying additives |
| KR101397346B1 (ko) * | 2012-06-15 | 2014-05-22 | 경희대학교 산학협력단 | 자외선 차단 및 피부노폐물 흡수 성능을 갖는 화장품용 다기능성 복합체 제조방법 |
| CN103301856B (zh) * | 2013-05-23 | 2014-10-29 | 河北科技大学 | 纳米贵金属/半导体复合光催化剂在有机物卤化反应中的应用 |
| CN103934017A (zh) * | 2014-04-22 | 2014-07-23 | 苏州聚康新材料科技有限公司 | 一种具有高效光催化活性的微乳液的制备方法 |
| CN104190279A (zh) * | 2014-08-27 | 2014-12-10 | 华南师范大学 | 一种纳米二氧化钛分散液的制备方法 |
| CN106219664A (zh) * | 2016-08-10 | 2016-12-14 | 佛山科学技术学院 | 涤/棉一浴法染色的棉基光催化处理染色废水的方法 |
| US11819580B2 (en) | 2016-10-18 | 2023-11-21 | PurWorld Technologies LLC | Method of chemically disinfecting a vehicle |
| IT201700050577A1 (it) * | 2017-05-10 | 2018-11-10 | Colorobbia Consulting S R L | Supporto nanofunzionalizzato e metodo di realizzazione |
| IT201700112570A1 (it) * | 2017-10-06 | 2019-04-06 | Andrea Ferruccio Zoppolato | Apparato automatico per la distribuzione di prodotti |
| CA3097835A1 (en) * | 2018-05-02 | 2019-11-07 | Colorobbia Consulting S.R.L. | Nitrogen-doped tio2 nanoparticles and the use thereof in photocatalysis |
| EP4031645A1 (en) * | 2019-09-20 | 2022-07-27 | Reair S.r.l. | Sanitization composition and method for sanitization- purification of surfaces and environments |
| IT201900020122A1 (it) | 2019-10-31 | 2021-05-01 | Colorobbia Consulting S R L | Supporto polimerico nanofunzionalizzato con nanoparticelle fotocatalitiche a base di TiO2 e il suo uso nella fotocatalisi |
| IT202000018007A1 (it) | 2020-07-24 | 2022-01-24 | Colorobbia Consulting S R L | Nanoparticelle, substrato nanofunzionalizzato e dispositivo con attività fotocatalitica antifungina |
| IT202000017995A1 (it) | 2020-07-24 | 2022-01-24 | Colorobbia Consulting S R L | Nanoparticelle, substrato nanofunzionalizzato e dispositivo con attività fotocatalitica antivirale |
| IT202000018004A1 (it) | 2020-07-24 | 2022-01-24 | Colorobbia Consulting S R L | Nanoparticelle, substrato nanofunzionalizzato e dispositivo con attività fotocatalitica antibatterica |
| CN114316723B (zh) * | 2022-01-29 | 2022-12-20 | 重庆交通大学 | 光催化成膜组合物及其制备方法和用途 |
| KR102779251B1 (ko) * | 2023-08-09 | 2025-03-11 | 주식회사 젠스 | 환경 개선용 조성물의 제조방법 및 이에 의해 제조되는 조성물 |
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| JP2000044242A (ja) * | 1998-07-28 | 2000-02-15 | Teikoku Chem Ind Corp Ltd | 表面被覆組成物 |
| JP2000219515A (ja) * | 1999-01-27 | 2000-08-08 | Jsr Corp | 二酸化チタン前駆体組成物および二酸化チタン |
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| JP2003232018A (ja) * | 2002-02-08 | 2003-08-19 | Hitachi Chem Co Ltd | 光触媒性路面標示物用材料、光触媒性路面標示物の施工方法及び光触媒性路面標示物 |
| CN1218634C (zh) * | 2002-04-30 | 2005-09-14 | 香港中文大学 | 具有高杀菌光活性介孔二氧化钛薄膜的制备方法 |
| KR20050057346A (ko) | 2002-09-17 | 2005-06-16 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 다공성의 계면활성제 매개 금속 산화물 필름 |
| JP4483172B2 (ja) * | 2002-12-05 | 2010-06-16 | 住友化学株式会社 | 酸化チタン分散液 |
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| ITFI20040252A1 (it) * | 2004-12-06 | 2005-03-06 | Colorobbia Italiana Spa | Processo per la preparazione di dispersioni di ti02 in forma di nanoparticelle, e dispersioni ottenibili con questo processo |
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| JP2009525246A (ja) | 2009-07-09 |
| DE602007010908D1 (de) | 2011-01-13 |
| CN101378993B (zh) | 2012-11-07 |
| US8431621B2 (en) | 2013-04-30 |
| KR20080094675A (ko) | 2008-10-23 |
| AU2007211536A1 (en) | 2007-08-09 |
| CA2640938C (en) | 2014-10-28 |
| BRPI0707256A2 (pt) | 2011-04-26 |
| ITFI20060030A1 (it) | 2007-08-02 |
| KR101353850B1 (ko) | 2014-01-20 |
| DK1996515T3 (da) | 2011-03-14 |
| EP1996515B1 (en) | 2010-12-01 |
| RU2431604C2 (ru) | 2011-10-20 |
| RU2008135345A (ru) | 2010-03-10 |
| BRPI0707256B1 (pt) | 2018-06-19 |
| ZA200806991B (en) | 2009-06-24 |
| PL1996515T3 (pl) | 2011-05-31 |
| US20080317959A1 (en) | 2008-12-25 |
| BRPI0707256A8 (pt) | 2018-01-09 |
| ES2357369T3 (es) | 2011-04-25 |
| CA2640938A1 (en) | 2007-08-09 |
| CN101378993A (zh) | 2009-03-04 |
| WO2007088151A1 (en) | 2007-08-09 |
| EP1996515A1 (en) | 2008-12-03 |
| PT1996515E (pt) | 2011-03-09 |
| ATE490220T1 (de) | 2010-12-15 |
| AU2007211536B2 (en) | 2012-10-04 |
| NZ570356A (en) | 2010-09-30 |
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