JP2000513695A - 光触媒活性化自浄式物品及びその製法 - Google Patents
光触媒活性化自浄式物品及びその製法Info
- Publication number
- JP2000513695A JP2000513695A JP54060898A JP54060898A JP2000513695A JP 2000513695 A JP2000513695 A JP 2000513695A JP 54060898 A JP54060898 A JP 54060898A JP 54060898 A JP54060898 A JP 54060898A JP 2000513695 A JP2000513695 A JP 2000513695A
- Authority
- JP
- Japan
- Prior art keywords
- coating
- oxide
- self
- ribbon
- article
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 65
- 239000008117 stearic acid Substances 0.000 claims description 65
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 62
- 229910052718 tin Inorganic materials 0.000 claims description 59
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 57
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 23
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- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 claims description 20
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 claims description 19
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 18
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- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 14
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- NDVLTYZPCACLMA-UHFFFAOYSA-N silver oxide Chemical compound [O-2].[Ag+].[Ag+] NDVLTYZPCACLMA-UHFFFAOYSA-N 0.000 claims description 14
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- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 9
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- ADVORQMAWLEPOI-XHTSQIMGSA-N (e)-4-hydroxypent-3-en-2-one;oxotitanium Chemical compound [Ti]=O.C\C(O)=C/C(C)=O.C\C(O)=C/C(C)=O ADVORQMAWLEPOI-XHTSQIMGSA-N 0.000 claims description 7
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims description 7
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- 150000001875 compounds Chemical class 0.000 claims description 7
- 229910000431 copper oxide Inorganic materials 0.000 claims description 7
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- 229910001923 silver oxide Inorganic materials 0.000 claims description 7
- VEALVRVVWBQVSL-UHFFFAOYSA-N strontium titanate Chemical compound [Sr+2].[O-][Ti]([O-])=O VEALVRVVWBQVSL-UHFFFAOYSA-N 0.000 claims description 7
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims description 6
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- 229910052739 hydrogen Inorganic materials 0.000 claims description 6
- 229910000476 molybdenum oxide Inorganic materials 0.000 claims description 6
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 claims description 6
- BNEMLSQAJOPTGK-UHFFFAOYSA-N zinc;dioxido(oxo)tin Chemical compound [Zn+2].[O-][Sn]([O-])=O BNEMLSQAJOPTGK-UHFFFAOYSA-N 0.000 claims description 6
- 230000005012 migration Effects 0.000 claims description 5
- 238000013508 migration Methods 0.000 claims description 5
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 claims description 5
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- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 4
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- JMXKSZRRTHPKDL-UHFFFAOYSA-N titanium ethoxide Chemical compound [Ti+4].CC[O-].CC[O-].CC[O-].CC[O-] JMXKSZRRTHPKDL-UHFFFAOYSA-N 0.000 claims description 3
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 claims description 3
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- UTLYKVGGKZYRRQ-UHFFFAOYSA-L dibutyltin(2+);difluoride Chemical compound CCCC[Sn](F)(F)CCCC UTLYKVGGKZYRRQ-UHFFFAOYSA-L 0.000 description 8
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- KYKLWYKWCAYAJY-UHFFFAOYSA-N oxotin;zinc Chemical compound [Zn].[Sn]=O KYKLWYKWCAYAJY-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
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Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.光触媒作用によって活性化された自浄性物品において、 少なくとも一つの表面を有する基体、並びに 前記基体の表面上に、化学蒸着、マグネトロンスパッタリング真空蒸着、及び 噴霧熱分解からなる群から選択された方法により堆積した、光触媒作用によって 活性化された自浄性被覆、 からなる上記物品。 2.光触媒作用によって活性化された自浄性被覆が、酸化チタン、酸化鉄、酸 化銀、酸化銅、酸化タングステン、酸化アルミニウム、酸化珪素、錫酸亜鉛、酸 化モリブデン、酸化亜鉛、チタン酸ストロンチウム、及びそれらの混合物からな る群から選択された金属酸化物からなる、請求項1記載の物品。 3.光触媒活性化自浄性被覆が、アナターゼ二酸化チタン、ルチル二酸化チタ ン、ブルッカイト二酸化チタン、及びそれらの混合物からなる群から選択された 二酸化チタンからなる、請求項2記載の物品。 4.光触媒活性化自浄性被覆が、少なくとも200Åの厚さを有する、請求項 1記載の物品。 5.光触媒活性化自浄性被覆が、少なくとも約400Åの厚さを有する、請求 項1記載の物品。 6.光触媒活性化自浄性被覆が、少なくとも約500Åの厚さを有する、請求 項1記載の物品。 7.光触媒活性化自浄性被覆が、少なくとも2×10-3cm-1分-1の光触媒反 応速度を有する、請求項1記載の物品。 8.光触媒反応速度を、光触媒活性化自浄性被覆上に堆積した100〜200 Å厚の範囲のステアリン酸試験膜を除去する速度として決定し、前記光触媒反応 速度を、前記光触媒活性化自浄性被覆の上に配置した紫外線源によって与えられ た約300〜400nmの範囲の周波数をもち、前記光触媒活性化自浄性被覆の 表面で測定して、約20W/m2の強度を有する紫外線に前記光触媒活性化自浄 性被覆を露出した累積時間に対し、ステアリン酸試験膜の炭素−水素伸縮振動吸 収 帯の積分強度について複数のフーリエ変換赤外線分光光度計測定値をプロットす ることにより得られた曲線の勾配として定量的に決定する、請求項7に記載の物 品。 9.紫外線源が、紫外線光源及びUVA−340光源からなる群から選択され ている、請求項8記載の物品。 10.光触媒活性化自浄性被覆が、基体上に直接堆積されている、請求項1記 載の物品。 11.光触媒活性化自浄性被覆と基体との間に介在させた少なくとも一つの層 を更に有する、請求項1記載の物品。 12.光触媒活性化自浄性被覆が、基体上に堆積した被覆の多層積層体の一つ の層からなり、前記光触媒活性化自浄性被覆が、前記多層積層体の1番上の層で ある、請求項1記載の物品。 13.光触媒活性化自浄性被覆が、基体上に堆積した被覆の多層積層体の一つ の層からなり、前記光触媒活性化自浄性被覆が、前記多層積層体の1番上の層以 外の層である、請求項1記載の物品。 14.基体から光触媒活性化自浄性被覆へのナトリウムイオンの移動を防ぐた め、前記基体と前記光触媒活性化自浄性被覆との間に配置されたナトリウムイオ ン拡散障壁層を更に有する、請求項1記載の物品。 15.ナトリウムイオン拡散障壁層が、化学蒸着、マグネトロンスパッタリン グ真空蒸着、及び噴霧熱分解からなる群から選択された方法により基体上に堆積 されている、請求項14記載の物品。 16.ナトリウムイオン拡散障壁層が、結晶金属酸化物、無定形金属酸化物、 及びそれらの混合物からなる群から選択されている、請求項14記載の物品。 17.ナトリウムイオン拡散障壁層が、酸化錫、酸化珪素、酸化チタン、酸化 ジルコニウム、フッ素ドープ酸化錫、酸化アルミニウム、酸化マグネシウム、酸 化亜鉛、酸化コバルト、酸化クロム、酸化マグネシウム、酸化鉄、及びそれらの 混合物からなる群から選択されている、請求項16記載の物品。 18.ナトリウムイオン拡散障壁層が、少なくとも約250Åの厚さを有する 、請求項17に記載の物品。 19.ナトリウムイオン拡散障壁層が、少なくとも約400Åの厚さを有する 、請求項17に記載の物品。 20.ナトリウムイオン拡散障壁層が、少なくとも約500Åの厚さを有する 、請求項17に記載の物品。 21.基体が、ガラス、プラスチック、金属、エナメル、及びそれらの混合物 からなる群から選択されている、請求項1記載の物品。 22.基体が、第一主表面及び第二主表面として規定される反対側の主表面を 有するガラス基体であり、前記第一主表面が、溶融錫浴上でガラスリボンを形成 した時の特徴である中に拡散した酸化錫の薄い層を有し、前記主表面の少なくと も一つが、前記光触媒活性化自浄性金属酸化物被覆が上に堆積されている、請求 項1に記載の物品。 23.光触媒活性化自浄性被覆は、酸化チタン、酸化鉄、酸化銀、酸化銅、酸 化タングステン、酸化アルミニウム、酸化珪素、錫酸亜鉛、酸化モリブデン、酸 化亜鉛、チタン酸ストロンチウム、及びそれらの混合物からなる群から選択され た金属酸化物を更に含む、請求項22記載の物品。 24.基体と光触媒活性化自浄性被覆との間に配置されたナトリウムイオン拡 散障壁層を更に有する、請求項23記載の物品。 25.ナトリウムイオン拡散障壁層が、酸化錫、酸化珪素、酸化チタン、酸化 ジルコニウム、フッ素ドープ酸化錫、酸化アルミニウム、酸化マグネシウム、酸 化亜鉛、酸化コバルト、酸化クロム、酸化マグネシウム、酸化鉄、及びそれらの 混合物からなる群から選択されている、請求項24記載の自浄性物品。 26.ガラス基体が、ガラスシート及び連続フロート法ガラスリボンからなる 群から選択されている、請求項22に記載の光触媒活性化自浄性物品。 27.連続的フロート法ガラスリボンの上に、そのフロート法リボンの製造中 に、二酸化チタンの光触媒作用によって活性化された自浄性被覆を形成する方法 において、 第一主表面及び第二主表面として規定される反対側の主表面を有する連続的フ ロート法ガラスリボンを製造し、然も前記第一主表面が、溶融錫浴上でフロート 法ガラスリボンを形成した時の特徴である中に拡散した酸化錫の薄い層を有し、 前記フロート法リボンの製造中、前記フロート法リボンが少なくとも約400 ℃(752°F)の温度を持つ点で、前記フロート法リボンの表面上に化学蒸着 被覆装置を配置し、 四塩化チタン、チタンテトライソプロポキシド、及びチタンテトラエトキシド からなる群から選択された金属酸化物前駆物質をキャリヤガス流中に入れて前記 化学蒸着装置により前記フロート法リボンの表面上に送り、前記フロート法リボ ンをアニーリングして前記フロート法ガラスリボン上に二酸化チタン光触媒活性 化自浄性被覆を形成する、 諸工程からなる上記方法。 28.連続的フロート法ガラスリボンの上に、そのフロート法リボンの製造中 に、二酸化チタンの光触媒作用によって活性化された自浄性被覆を形成する方法 において、 第一主表面及び第二主表面として規定される反対側の主表面を有する連続的フ ロート法ガラスリボンを製造し、然も、前記第一主表面が、溶融錫浴上でフロー ト法ガラスリボンを形成した時の特徴である、中に拡散した錫、酸化錫及びその 混合物からなる群から選択された薄い金属層を有し、 前記フロート法リボンの製造中、前記フロート法リボンが少なくとも約400 ℃(752°F)の温度を持つ点で、前記フロート法リボンの表面上に熱分解被 覆装置を配置し、チタニルアセチルアセトネート及び湿潤剤を水性媒体中に入れ た水性懸濁物を前記噴霧熱分解被覆装置により前記フロート法リボンの表面上に 送ることにより前記主表面の少なくとも一つの上に光触媒活性化自浄性被覆を堆 積し、前記フロート法リボンを空気中でアニーリングして前記フロート法ガラス リボン上に、二酸化チタンの光触媒作用によって活性化された自浄性被覆を形成 する、 諸工程からなる、上記方法。 29.ガラスバッチ材料を炉の中で溶融し、その溶融ガラスを溶融錫浴上に送 り、前記錫浴を横切って前記溶融ガラスを引張り、それによって前記ガラスの大 きさを定め、制御しながら冷却して形状が安定したフロート法ガラスリボンを形 成し、前記錫浴から前記フロート法リボンを取り出し、搬送用ローラによって前 記フロート法リボンを炉を通って移動させて前記フロート法リボンをアニーリン グし、前記フロート法リボンを搬送ローラに乗せて切断位置へ移動し、そこで前 記リボンをガラスシートに切断する諸工程を有するフロート法ガラスリボンを形 成する方法において、 前記フロート法リボンの表面上に、そのフロート法リボンが形成される間に、 光触媒活性化自浄性被覆を堆積する工程を含む、上記方法。 30.光触媒作用によって活性化された自浄性被覆を、噴霧熱分解及び化学蒸 着からなる群から選択された方法により堆積する、請求項29記載の方法。 31.フロート法リボンの表面上にナトリウムイオン拡散障壁層を堆積し、前 記ナトリウムイオン拡散障壁層の上に光触媒活性化自浄性被覆を堆積することを 更に含む、請求項29記載の方法。 32.光触媒作用によって活性化された自浄性製品を製造する方法において、 少なくとも一つの表面を有する製品を与え、 光触媒作用によって活性化された自浄性被覆を、化学蒸着、マグネトロンスパ ッタリング真空蒸着及び噴霧熱分解からなる群から選択された方法により前記製 品の表面上に堆積する、 諸工程からなる上記製法。 33.製品がガラスシートであり、堆積工程が、前記ガラスシートの湾曲及び 強化からなる群から選択された前記ガラスシート修正工程中に行われる、請求項 32記載の方法。 34.表面の上にナトリウムイオン拡散障壁層を堆積し、そのナトリウムイオ ン拡散障壁層の上に光触媒活性化自浄性被覆を堆積する工程を更に含み、然も、 前記ナトリウムイオン拡散障壁層が、前記物品の表面から前記光触媒活性化自浄 性被覆へのナトリウムイオンの移動を防ぐ、請求項32記載の方法。 35.ナトリウムイオン拡散障壁層を、化学蒸着、噴霧熱分解、及びマグネト ロンスパッタリング蒸着からなる群から選択された方法により堆積する、請求項 34記載の方法。 36.ナトリウムイオン拡散障壁層の堆積工程を、ガラスの湾曲及び強化から なる群から選択された前記ガラスシート修正工程中に行う、請求項35記載の方 法。 37.光触媒活性化自浄性被覆をアニーリングして、前記光触媒活性化自浄性 被覆の光触媒反応速度を増大する工程を更に有する、請求項32記載の方法。 38.アニーリング工程が、光触媒活性化自浄性被覆を、約500℃の温度に 少なくとも約3分間上昇させ、制御しながら前記光触媒活性化自浄性被覆を冷却 することを含む、請求項37記載の方法。 39.光触媒活性化自浄性被覆が、少なくとも約2×10-3cm-1分-1の光触 媒反応速度を有する、請求項38記載の方法。 40.光触媒反応速度が、光触媒活性化自浄性被覆上に堆積した100〜20 0Å厚の範囲のステアリン酸試験膜を除去する速度として決定され、前記光触媒 反応速度を、前記光触媒活性化自浄性被覆の上に配置した紫外線源によって与え られた約300〜400nmの範囲の周波数をもち、前記光触媒活性化自浄性被 覆の表面で測定して、約20W/m2の強度を有する紫外線に前記表面触媒活性 化自浄性被覆を露出した累積時間に対し、ステアリン酸試験膜の炭素−水素伸縮 振動吸収帯の積分強度について複数のフーリエ変換赤外線分光光度計測定値をプ ロットすることにより得られた曲線の勾配として定量的に決定する、請求項38 記載の方法。
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US08/899,257 US6027766A (en) | 1997-03-14 | 1997-07-23 | Photocatalytically-activated self-cleaning article and method of making same |
US08/899,257 | 1997-07-23 | ||
PCT/US1998/004785 WO1998041480A1 (en) | 1997-03-14 | 1998-03-12 | Photocatalytically-activated self-cleaning article and method of making same |
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JP2005529823A (ja) * | 2002-05-14 | 2005-10-06 | ピルキングトン・ノースアメリカ・インコーポレイテッド | 反射型日照調整コーティングされたガラス物 |
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