JP4010558B2 - 多機能材 - Google Patents
多機能材 Download PDFInfo
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- JP4010558B2 JP4010558B2 JP2006518490A JP2006518490A JP4010558B2 JP 4010558 B2 JP4010558 B2 JP 4010558B2 JP 2006518490 A JP2006518490 A JP 2006518490A JP 2006518490 A JP2006518490 A JP 2006518490A JP 4010558 B2 JP4010558 B2 JP 4010558B2
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- B01J20/28095—Shape or type of pores, voids, channels, ducts
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- B01J37/34—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation
- B01J37/349—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of flames, plasmas or lasers
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Description
実施例1〜4
厚さ0.3mmのチタン板の表面を、アセチレンの燃焼炎により、第1表に示す表面層温度で第1表に示す時間加熱処理した。その後その燃焼炎を当てた表面を厚さ30mmのステンレスブロックの平らな面と接触させて冷却すると、チタン板表面の大部分に白色の酸化チタンからなる微細柱が林立している層が露出している部材と、薄膜上に白色の酸化チタンからなる多数の連続した狭幅突起部及び該突起部上に林立している微細柱が露出している小片部材とに分離した。即ち、加熱処理で表面層内部に形成された酸化チタンからなる微細柱が林立している層がその後の冷却で該微細柱が林立している層が該表面層に沿う方向で切断された。このようにして実施例1〜4の多機能材を得た。
厚さ0.3mmのTi−6Al−4V合金板の表面を、アセチレンの燃焼炎により、第1表に示す表面層温度で第1表に示す時間加熱処理した。その後その燃焼炎を当てた表面を厚さ30mmのステンレスブロックの平らな面と接触させて冷却すると、チタン合金板表面の大部分にチタン合金酸化物からなる微細柱が林立している層が露出している部材と、薄膜上にチタン合金酸化物からなる多数の連続した狭幅突起部及び該突起部上に林立している微細柱が露出している小片部材とに分離した。
厚さ0.3mmのステンレス鋼板(SUS316)の表面に電子ビーム蒸着によって膜厚が約3μmのチタン薄膜を形成した。その薄膜表面を、アセチレンの燃焼炎により、第1表に示す表面層温度で第1表に示す時間加熱処理した。その後その燃焼炎を当てた表面を厚さ30mmのステンレスブロックの平らな面と接触させて冷却すると、ステンレス鋼板表面の大部分に白色の酸化チタンからなる微細柱が林立している層が露出している部材と、薄膜上に白色の酸化チタンからなる多数の連続した狭幅突起部及び該突起部上に林立している微細柱が露出している小片部材とに分離した。
市販されている酸化チタンゾル(石原産業製STS−01)を厚さ0.3mmのチタン板にスピンコートした後、加熱して密着性を高めた酸化チタン皮膜を有するチタン板を形成した。
実施例1〜6得られた基板表面に微細柱が林立している層が露出している部材の微細柱側表面について、JIS K 5600−5−4(1999)に基づき、三菱鉛筆株式会社製ユニ1H〜9H鉛筆を用いて鉛筆引っかき硬度試験を実施した。その結果は第1表に示す通りであった。即ち、全ての試験片について9Hの鉛筆を用いた場合にも損傷は認められなかった。
実施例1〜6で得られた基板表面に微細柱が林立している層が露出している部材を1M硫酸水溶液及び1M水酸化ナトリウム水溶液にそれぞれ室温で1週間浸漬し、水洗し、乾燥させた後、上記の引っかき硬度試験:鉛筆法を実施した。その結果は第1表に示す通りであった。即ち、全ての試験片について9Hの鉛筆を用いた場合にも損傷は認められず、高い耐薬品性を有することが認められた。
実施例1〜6で得られた基板表面に微細柱が林立している層が露出している部材を管状炉内に入れ、大気雰囲気下で室温から1時間かけて500℃まで昇温させ、500℃の恒温で2時間保持し、更に1時間かけて室温まで静置冷却した後、上記の引っかき硬度試験:鉛筆法を実施した。その結果は第1表に示す通りであった。即ち、全ての試験片について9Hの鉛筆を用いた場合にも損傷は認められず、高い耐熱性を有することが認められた。
試料として、実施例4で得られた基板表面に微細柱が林立している層が露出している表面積8cm2の部材及び比較例1で得られた酸化チタン皮膜を有する表面積8cm2のチタン板を用いて消臭試験を実施した。具体的には、それらの試料をそれぞれ、約10μmol/Lの濃度に調整したメチレンブルー水溶液80mL中に浸漬し、初期の吸着による濃度減少の影響が無視できるようになってから、松下電器産業株式会社製のUVカットフィルター付き蛍光灯により可視光を照射し、所定の照射時間毎に波長660nmにおけるメチレンブルー水溶液の吸光度をHACH社製水質検査装置DR/2400で測定した。その結果は図5に示す通りであった。
実施例3で得られた基板表面に微細柱が林立している層が露出している部材の微細柱から得た試料についてX線回折(XRD)を行った結果、ルチル型の結晶構造を有することが判明した。
試験片として直径32mm、厚さ0.3mmのチタン製円板を用い、その表面を表面温度が約1150℃に維持されるようにアセチレンの燃焼炎により加熱した。第一の試験片については加熱時間120秒の時点で加熱を止めて放冷した。第二の試験片については180秒の時点で加熱を止めて放冷した。第三の試験片については480秒間加熱し、直ちにその燃焼炎を当てた表面を厚さ30mmのステンレスブロックの平らな面と接触させて冷却した。この冷却によりチタン板表面から薄膜が剥離し、その下から白色の酸化チタンからなる微細柱が林立している層が露出している部材が得られた。これらの3枚の試験片について、セイコーインスツルメンツ社製FIB−SEM装置SMI8400SEを用いて試験片表面に3μm×12μmで深さ10μmの穴を掘り、その側面及び底面をキーエンス社製SEM装置VE7800により観察を行った。120秒後の試験片のSEM写真は図7であり、180秒後の試験片のSEM写真は図8であり、480秒後の試験片のSEM写真は図9である。180秒後の図8では皮膜下部に微細柱構造の兆候が現れ始めており、更に火炎処理を続けることで微細柱が長く伸びて本発明で目的とするような微細柱構造が形成されると考えられる。
Claims (5)
- 基体の表面の少なくとも一部に該基体から成長した酸化チタン又はチタン合金酸化物からなる微細柱が林立している層が露出しており、該微細柱が炭素ドープされていることを特徴とする多機能材。
- 薄膜基体上に該基体から成長した酸化チタン又はチタン合金酸化物からなる多数の連続した狭幅突起部及び該突起部上に林立している微細柱が露出しており、該突起部及び該微細柱が炭素ドープされていることを特徴とする請求項1記載の多機能材。
- ドープされた炭素がTi−C結合の状態で含まれていることを特徴とする請求項1又は2記載の多機能材。
- 多機能材が可視光応答型光触媒として機能することを特徴とする請求項1〜3の何れかに記載の多機能材。
- チタン合金がTi−6Al−4V、Ti−6Al−6V−2Sn、Ti−6Al−2Sn−4Zr−6Mo、Ti−10V−2Fe−3Al、Ti−7Al−4Mo、Ti−5Al−2.5Sn、Ti−6Al−5Zr−0.5Mo−0.2Si、Ti−5.5Al−3.5Sn−3Zr−0.3Mo−1Nb−0.3Si、Ti−8Al−1Mo−1V、Ti−6Al−2Sn−4Zr−2Mo、Ti−5Al−2Sn−2Zr−4Mo−4Cr、Ti−11.5Mo−6Zr−4.5Sn、Ti−15V−3Cr−3Al−3Sn、Ti−15Mo−5Zr−3Al、Ti−15Mo−5Zr、又はTi−13V−11Cr−3Alである請求項1〜4の何れかに記載の多機能材。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005049785 | 2005-02-24 | ||
JP2005049785 | 2005-02-24 | ||
PCT/JP2006/302709 WO2006090631A1 (ja) | 2005-02-24 | 2006-02-16 | 多機能材 |
Publications (2)
Publication Number | Publication Date |
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JP4010558B2 true JP4010558B2 (ja) | 2007-11-21 |
JPWO2006090631A1 JPWO2006090631A1 (ja) | 2008-07-24 |
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Application Number | Title | Priority Date | Filing Date |
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JP2006518490A Active JP4010558B2 (ja) | 2005-02-24 | 2006-02-16 | 多機能材 |
Country Status (7)
Country | Link |
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US (1) | US7718270B2 (ja) |
EP (1) | EP1852183A4 (ja) |
JP (1) | JP4010558B2 (ja) |
KR (1) | KR100948056B1 (ja) |
CN (1) | CN101163550B (ja) |
TW (1) | TWI315217B (ja) |
WO (1) | WO2006090631A1 (ja) |
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JP2006238937A (ja) * | 2005-02-28 | 2006-09-14 | Central Res Inst Of Electric Power Ind | 体着具 |
JP4597713B2 (ja) * | 2005-02-28 | 2010-12-15 | 財団法人電力中央研究所 | 金属製容器 |
DE102008046391A1 (de) | 2008-09-09 | 2010-03-11 | Kronos International, Inc. | Verfahren zur Herstellung kohlenstoffmodifizierter Photokatalysatorschichten |
WO2010140700A1 (ja) * | 2009-06-01 | 2010-12-09 | 新日本製鐵株式会社 | 可視光応答性を有し、光触媒活性に優れたチタン系材料およびその製造方法 |
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JPH09241038A (ja) | 1995-12-22 | 1997-09-16 | Toto Ltd | 光触媒性親水性部材及びその製造方法 |
JP3690864B2 (ja) | 1996-03-29 | 2005-08-31 | 株式会社ティオテクノ | 光触媒体の製造法 |
JP3863599B2 (ja) | 1996-08-06 | 2006-12-27 | 株式会社ティオテクノ | アモルファス型過酸化チタンのコーティング方法 |
JPH1112720A (ja) | 1997-06-25 | 1999-01-19 | Asahi Glass Co Ltd | チタン酸化物の成膜方法 |
JP3496923B2 (ja) * | 1998-08-18 | 2004-02-16 | 株式会社不二機販 | 光触媒コーティング成形物及びその成形方法 |
JP3498739B2 (ja) * | 1999-08-05 | 2004-02-16 | 株式会社豊田中央研究所 | 光触媒体の形成方法および光触媒物質の製造方法 |
JP4461546B2 (ja) | 2000-01-26 | 2010-05-12 | 株式会社豊田中央研究所 | 光触媒物質および光触媒体 |
JP2001205103A (ja) | 2000-01-27 | 2001-07-31 | Toyota Central Res & Dev Lab Inc | 光触媒体 |
JP2001205105A (ja) | 2000-01-28 | 2001-07-31 | Matsushita Electric Ind Co Ltd | 光触媒薄膜 |
JP4626099B2 (ja) | 2000-07-17 | 2011-02-02 | 株式会社豊田中央研究所 | 光触媒体 |
JP5002864B2 (ja) | 2001-03-02 | 2012-08-15 | 独立行政法人国立高等専門学校機構 | 有機金属化合物を用いた酸化物光触媒材料およびその応用品 |
JP2002370034A (ja) | 2001-06-15 | 2002-12-24 | Andes Denki Kk | 無機金属化合物を用いた酸化物光触媒材料およびその応用品 |
JP2002370027A (ja) | 2001-06-15 | 2002-12-24 | Andes Denki Kk | 柱状酸化チタン結晶光触媒材料およびその応用品 |
JP2003226825A (ja) * | 2002-02-01 | 2003-08-15 | Toto Ltd | 光触媒性コーティング剤 |
EP1400491A3 (en) * | 2002-09-18 | 2005-01-19 | Toshiba Ceramics Co., Ltd. | Titanium dioxide fine particles and method for producing the same, and method for producing visible light activatable photocatalyst |
WO2005000734A2 (en) * | 2002-10-04 | 2005-01-06 | The Ohio State University Research Foundation | Method of forming nanostructures on ceramics and the ceramics formed |
JP2003260370A (ja) * | 2002-12-25 | 2003-09-16 | Kankyo Device Kenkyusho:Kk | 可視光活性を有する光触媒及びその利用 |
JP4022167B2 (ja) * | 2003-05-06 | 2007-12-12 | 株式会社不二機販 | 光触媒コーティング方法 |
PT1693479E (pt) * | 2003-12-09 | 2010-04-15 | Central Res Inst Elect | Método para a produção de um substrato possuindo uma camada de óxido de titânio dopado com carbono |
EP1693480B1 (en) * | 2003-12-09 | 2011-03-30 | Central Research Institute Of Electric Power Industry (Criepi) | Multifunctional material having carbon-doped titanium oxide layer |
JP3980050B2 (ja) * | 2005-02-24 | 2007-09-19 | 財団法人電力中央研究所 | 多機能材の製造方法 |
JP4623510B2 (ja) * | 2005-06-08 | 2011-02-02 | 財団法人電力中央研究所 | 原子炉構造材 |
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TWI315217B (en) | 2009-10-01 |
US7718270B2 (en) | 2010-05-18 |
KR20070111535A (ko) | 2007-11-21 |
JPWO2006090631A1 (ja) | 2008-07-24 |
CN101163550B (zh) | 2012-04-25 |
EP1852183A1 (en) | 2007-11-07 |
EP1852183A4 (en) | 2011-06-29 |
CN101163550A (zh) | 2008-04-16 |
TW200640572A (en) | 2006-12-01 |
US20080152869A1 (en) | 2008-06-26 |
WO2006090631A1 (ja) | 2006-08-31 |
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