JP2000285714A - Lighting equipment with photocatalyst - Google Patents
Lighting equipment with photocatalystInfo
- Publication number
- JP2000285714A JP2000285714A JP11090091A JP9009199A JP2000285714A JP 2000285714 A JP2000285714 A JP 2000285714A JP 11090091 A JP11090091 A JP 11090091A JP 9009199 A JP9009199 A JP 9009199A JP 2000285714 A JP2000285714 A JP 2000285714A
- Authority
- JP
- Japan
- Prior art keywords
- lighting device
- photocatalyst
- metal oxide
- photocatalytic
- oxide
- 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.)
- Withdrawn
Links
- 239000011941 photocatalyst Substances 0.000 title claims abstract description 40
- 230000001699 photocatalysis Effects 0.000 claims abstract description 61
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 32
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 32
- 239000011230 binding agent Substances 0.000 claims abstract description 17
- 150000001875 compounds Chemical class 0.000 claims abstract description 17
- 229920005989 resin Polymers 0.000 claims abstract description 15
- 239000011347 resin Substances 0.000 claims abstract description 15
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 13
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 5
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 5
- 229910052718 tin Inorganic materials 0.000 claims abstract description 5
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 5
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 4
- 229910052712 strontium Inorganic materials 0.000 claims abstract description 4
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 15
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 claims description 14
- WMVRXDZNYVJBAH-UHFFFAOYSA-N dioxoiron Chemical compound O=[Fe]=O WMVRXDZNYVJBAH-UHFFFAOYSA-N 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000003373 anti-fouling effect Effects 0.000 abstract description 8
- 229910052784 alkaline earth metal Inorganic materials 0.000 abstract description 4
- 150000001342 alkaline earth metals Chemical class 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- 230000001747 exhibiting effect Effects 0.000 abstract 1
- 239000010408 film Substances 0.000 description 41
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 20
- 229910010413 TiO 2 Inorganic materials 0.000 description 20
- 239000010419 fine particle Substances 0.000 description 14
- 241000208125 Nicotiana Species 0.000 description 13
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 13
- 235000019504 cigarettes Nutrition 0.000 description 11
- 238000000354 decomposition reaction Methods 0.000 description 10
- 239000000395 magnesium oxide Substances 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 238000011109 contamination Methods 0.000 description 8
- 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 description 8
- 239000002245 particle Substances 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 6
- -1 alkoxide compound Chemical class 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- 230000004907 flux Effects 0.000 description 5
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 3
- 229910006404 SnO 2 Inorganic materials 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000004332 deodorization Methods 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 2
- 150000004703 alkoxides Chemical class 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 239000011268 mixed slurry Substances 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 102100032566 Carbonic anhydrase-related protein 10 Human genes 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 101000867836 Homo sapiens Carbonic anhydrase-related protein 10 Proteins 0.000 description 1
- 229910002367 SrTiO Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- UHYPYGJEEGLRJD-UHFFFAOYSA-N cadmium(2+);selenium(2-) Chemical compound [Se-2].[Cd+2] UHYPYGJEEGLRJD-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000012788 optical film Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Apparatus For Disinfection Or Sterilisation (AREA)
- Catalysts (AREA)
Abstract
(57)【要約】
【課題】 良好な光触媒活性を呈し、容易に防汚が図ら
れた照明器具の提供。
【解決手段】 照明器具本体５と；この照明器具本体５
の少なくとも一部に被覆形成された光触媒膜６と；を具
備する光触媒付き照明器具であって、前記光触媒膜６が
光触媒性酸化物、アルカリ土類金属の酸化物もしくは両
性金属酸化物、およびバインダー樹脂の混合物で形成さ
れていることを特徴とする光触媒付き照明器具である。
ここで、アルカリ土類金属の酸化物としては、Mg、Caお
よびSrから選ばれた少なくとも１種が、両性金属酸化物
としては、Al、Zn、SiおよびSnから選ばれた少なくとも
１種が好ましい。また、バインダー樹脂としては、シリ
コーン化合物およびフッ素樹脂から選ばれた少なくとも
１種が、光触媒膜の下地として紫外線反射率の高い材料
からなる層が設けることが好ましい。
(57) [Summary] [Problem] To provide a lighting fixture exhibiting good photocatalytic activity and easily antifouling. SOLUTION: The lighting fixture body 5; this lighting fixture body 5
And a photocatalyst film 6 formed so as to cover at least a portion of the photocatalyst film, wherein the photocatalyst film 6 is a photocatalytic oxide, an oxide of an alkaline earth metal or an amphoteric metal oxide, and a binder. A lighting device with a photocatalyst, which is formed of a resin mixture.
Here, the oxide of the alkaline earth metal is preferably at least one selected from Mg, Ca and Sr, and the amphoteric metal oxide is preferably at least one selected from Al, Zn, Si and Sn. . Further, as the binder resin, it is preferable to provide a layer made of a material having a high ultraviolet reflectance as at least one selected from a silicone compound and a fluororesin as a base of the photocatalytic film.
Description
【０００１】[0001]
【発明の属する技術分野】本発明は光触媒作用を備えた
防汚型の照明器具に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an antifouling lighting device having a photocatalytic action.
【０００２】[0002]
【従来の技術】紫外線を放射する水銀などを封入する放
電ランプの外周面（外表面）に、光触媒作用を有する物
質（たとえば TiO2 …酸化チタン）から成る光触媒膜を
一体的に設けた放電ランプが知られている（特開平1-16
9866号公報）。この種の放電ランプは、放電ランプ内部
から放出される紫外線を受けると、バルブの外周面に設
けた光触媒膜の表面が活性化して酸化力を呈するように
なり、付着もしくは接触した有機物を酸化・分解し、脱
臭などの作用を呈する。つまり、前記放電ランプを設置
した雰囲気では、その周囲の脱臭もしくは消臭、雰囲気
中の有機成分の分解などが行われる。2. Description of the Related Art A discharge lamp in which a photocatalytic film made of a substance having a photocatalytic action (for example, TiO 2 ... Titanium oxide) is integrally provided on the outer peripheral surface (outer surface) of a discharge lamp in which mercury or the like that emits ultraviolet light is sealed. Is known (Japanese Patent Laid-Open No. 1-16
No. 9866). When this type of discharge lamp receives ultraviolet rays emitted from the inside of the discharge lamp, the surface of the photocatalytic film provided on the outer peripheral surface of the bulb is activated to exhibit an oxidizing power, and oxidizes and adheres or contacts organic substances. It decomposes and exhibits effects such as deodorization. That is, in the atmosphere in which the discharge lamp is installed, deodorization or deodorization around the discharge lamp, decomposition of organic components in the atmosphere, and the like are performed.
【０００３】その他、光触媒作用を有する物質は、照明
器具への応用も試みられている。すなわち、照明器具本
体表面の少なくとも一部に光触媒膜を被覆形成し、光源
側からの紫外線を利用し、照明器具本体に浮遊・付着す
る有機物系の塵埃を分解・除去して清掃化する機能を持
たせた照明器具が提案されている。ここで、油成分など
の付着による照明器具の汚染を防止できると、照明器具
の汚染による光束低下を回避できるので、照明装置の品
質・機能アップになる。[0003] In addition, application of a photocatalytic substance to lighting equipment has been attempted. In other words, a photocatalytic film is formed on at least a part of the surface of the lighting fixture body, and a function of dissolving and removing organic dust floating and adhering to the lighting fixture body by using ultraviolet rays from the light source side is provided. Lighting fixtures have been proposed. Here, if contamination of the lighting equipment due to attachment of oil components and the like can be prevented, a decrease in luminous flux due to contamination of the lighting equipment can be avoided, and thus the quality and function of the lighting device are improved.
【０００４】なお、上記光触媒膜の形成は、たとえば光
触媒作用を有する金属酸化物の微粒子から成る粉体を水
もしくはエタノールなどの適当なバインダー成分に分散
させて、照明器具本体表面に塗布後、乾燥・塗布膜化
し、要すれば焼成して形成している。また、光触媒作用
を有する金属のアルコキシド化合物溶液を塗布後、焼成
して光触媒膜を形成している。The photocatalyst film is formed by, for example, dispersing a powder composed of fine particles of a metal oxide having a photocatalytic action in a suitable binder component such as water or ethanol, applying the powder on the surface of the lighting fixture body, and then drying the powder. -It is formed by coating and firing if necessary. In addition, a photocatalytic film is formed by applying a solution of a metal alkoxide compound having a photocatalytic action and then firing.
【０００５】[0005]
【発明が解決しようとする課題】上記説明したように、
光触媒作用（光触媒機能）を放電ランプや照明器具に応
用する試みが、いろいろ知られている。しかし、照明器
具の自浄化ないし防汚の点では、なお、次のような不都
合な問題があった。すなわち、光触媒作用の付与によ
り、付着物質の分解効果は得られるが、煙草のヤニなど
の特定物質による汚染を十分に防止できない場合があ
る。たとえば、 TiO2 を主体とした光触媒膜を照明器具
表面に設けた場合、照明器具表面が酸性を呈するため、
アルカリ性物質である煙草のヤニが容易に吸着し、むし
ろ照明器具表面の汚染を招来し易い傾向が認められる。As described above,
Various attempts to apply a photocatalytic action (photocatalytic function) to a discharge lamp or a lighting fixture have been known. However, in terms of self-cleaning or antifouling of lighting equipment, there are still the following disadvantageous problems. That is, although the effect of decomposing adhering substances can be obtained by imparting a photocatalytic action, there is a case where contamination by specific substances such as cigarette tar is not sufficiently prevented. For example, if a photocatalyst film mainly composed of TiO 2 is provided on the surface of a lighting device, the surface of the lighting device exhibits acidity,
It is recognized that the tobacco tar, which is an alkaline substance, is easily adsorbed, but rather tends to cause contamination of the lighting equipment surface.
【０００６】ここで、光（紫外線）が比較的多くないし
強く当たる部分は、付着する煙草ヤニの分解・除去で清
掃化が進行するが、光（紫外線）の照射が弱い部分は、
分解・除去の清掃化作用が追いつかず、煙草ヤニの吸着
（累積）によって、反って部分的な汚染が進行する。つ
まり、照明器具表面には光束分布があるため、この光束
分布に対応して付着する煙草ヤニの分解・除去（清掃
化）に差が生じ、結果的に、汚れの分布が生じるので外
観が損なわれる。[0006] Here, the portion to which the light (ultraviolet rays) is relatively large or strongly irradiated is cleaned by the decomposition and removal of the attached tobacco tar, but the portion to which the light (ultraviolet rays) is weakly irradiated,
The cleaning effect of decomposition / removal cannot keep up, and partial contamination proceeds due to the adsorption (accumulation) of tobacco tar. In other words, since there is a light flux distribution on the surface of the lighting equipment, there is a difference in the disassembly and removal (cleaning) of the tobacco stain adhering to the light flux distribution, resulting in the distribution of dirt, which impairs the appearance. It is.
【０００７】本発明は、上記問題を解決するものであっ
て、良好な光触媒活性を呈し、容易に防汚が図られた照
明器具の提供を目的とする。An object of the present invention is to solve the above-mentioned problems, and an object of the present invention is to provide a lighting fixture which exhibits good photocatalytic activity and is easily stain-proofed.
【０００８】[0008]
【課題を解決するための手段】請求項１の発明は、照明
器具本体と；この照明器具本体の少なくとも一部に被覆
形成された光触媒膜と；具備する光触媒付き照明器具で
あって、前記光触媒膜が光触媒性酸化物、アルカリ土類
金属の酸化物およびバインダー樹脂の混合物で形成され
ていることを特徴とする光触媒付き照明器具である。The invention according to claim 1 is a lighting device with a photocatalyst, comprising: a lighting device main body; a photocatalyst film formed on at least a part of the lighting device main body; A lighting device with a photocatalyst, wherein the film is formed of a mixture of a photocatalytic oxide, an oxide of an alkaline earth metal, and a binder resin.
【０００９】請求項２の発明は、請求項１記載の光触媒
付き照明器具において、アルカリ土類金属の酸化物がM
g、CaおよびSrから選ばれた少なくとも１種の金属酸化
物であることを特徴とする。According to a second aspect of the present invention, in the lighting device with the photocatalyst according to the first aspect, the oxide of the alkaline earth metal is M
It is characterized by being at least one metal oxide selected from g, Ca and Sr.
【００１０】請求項３の発明は、請求項１または請求項
２記載の光触媒付き照明器具において、バインダー樹脂
がシリコーン化合物およびフッ素樹脂から選ばれた少な
くとも１種であることを特徴とする。According to a third aspect of the present invention, in the lighting device with a photocatalyst according to the first or second aspect, the binder resin is at least one selected from a silicone compound and a fluororesin.
【００１１】請求項４の発明は、請求項１ないし請求項
３いずれか一記載の光触媒付き照明器具において、アル
カリ土類金属の酸化物に含まれる鉄成分は、二酸化鉄に
換算して 0.2重量％以下であることを特徴とする。According to a fourth aspect of the present invention, in the lighting device with a photocatalyst according to any one of the first to third aspects, the iron component contained in the alkaline earth metal oxide is 0.2% by weight in terms of iron dioxide. % Or less.
【００１２】請求項５の発明は、照明器具本体と；この
照明器具本体の少なくとも一部に被覆形成された光触媒
膜と；を具備する光触媒付き照明器具であって、前記光
触媒膜が光触媒性酸化物、両性金属酸化物およびバイン
ダー樹脂の混合物で形成されていることを特徴とする光
触媒付き照明器具である。According to a fifth aspect of the present invention, there is provided a lighting device with a photocatalyst comprising: a lighting device main body; and a photocatalytic film coated on at least a part of the lighting device main body, wherein the photocatalytic film is formed by photocatalytic oxidation. A lighting device with a photocatalyst, characterized by being formed of a mixture of an object, an amphoteric metal oxide and a binder resin.
【００１３】請求項６の発明は、請求項５記載の光触媒
付き照明器具において、両性金属酸化物がAl，Zn，Siお
よびSnから選ばれた少なくとも１種の金属酸化物である
ことを特徴とする。According to a sixth aspect of the present invention, in the lighting device with a photocatalyst according to the fifth aspect, the amphoteric metal oxide is at least one metal oxide selected from Al, Zn, Si and Sn. I do.
【００１４】請求項７の発明は、請求項５または請求項
６記載の光触媒付き照明器具において、バインダー樹脂
がシリコーン化合物およびフッ素樹脂から選ばれた少な
くとも１種であることを特徴とする。According to a seventh aspect of the present invention, in the lighting device with a photocatalyst according to the fifth or sixth aspect, the binder resin is at least one selected from a silicone compound and a fluororesin.
【００１５】請求項８の発明は、請求項５ないし請求項
７いずれか一記載の光触媒付き照明器具において、金属
の酸化物に含まれる鉄成分は、二酸化鉄に換算して 0.2
重量％以下であることを特徴とする。[0015] The invention according to claim 8 is the lighting device with a photocatalyst according to any one of claims 5 to 7, wherein the iron component contained in the metal oxide is 0.2% in terms of iron dioxide.
% By weight or less.
【００１６】請求項１〜８の発明は、次のような知見に
基づいてなされたものである。すなわち、光触媒性金属
酸化物、たとえば TiO2 、もしくは TiO2 − SnO2 混成
系に、アルカリ土類金属の酸化物あるいは両性金属酸化
物を併用した場合、所要の光触媒作用を呈して有機物成
分の分解・除去が行われるだけでなく、煙草のヤニなど
アルカリ性有機物成分の付着を抑制・防止して、照明器
具の防汚が図れることを見出し、これらの発明に至った
ものである。The inventions of claims 1 to 8 have been made based on the following findings. That is, when an alkaline earth metal oxide or an amphoteric metal oxide is used in combination with a photocatalytic metal oxide, for example, TiO 2 or a TiO 2 -SnO 2 hybrid system, a desired photocatalysis is exhibited to decompose organic components. The inventors have found that not only the removal is performed, but also that the adhesion of alkaline organic components such as cigarette tar is suppressed and prevented, thereby making it possible to prevent stains on lighting equipment.
【００１７】たとえば鋼板の一主面に、 TiO2 微粒子、
MgO微粒子、およびエチルシリケート系化合物の混合分
散体（スラリー）を塗布・乾燥・焼き付けて、 TiO2 −
MgO−バインダー系の光触媒膜を設けた。この光触媒膜
を設けた鋼板を、図１に模式的に示すように、内容積
0.3 m3 のテストボックス１内にセットし、煙草２を１
本を吸う状態でテストボックス１内に吸引させて、前記
鋼板３面に煙草のヤニを吸着させた。なお、この状態
は、６畳間で１日に20本の煙草を吸うとして、11日分に
相当する。For example, on one main surface of a steel sheet, TiO 2 fine particles,
Apply, dry and bake a mixed dispersion (slurry) of MgO fine particles and ethyl silicate compound to obtain TiO 2 −
An MgO-binder photocatalytic film was provided. As shown schematically in FIG. 1, the steel sheet provided with the photocatalyst film has an internal volume.
Set in a 0.3 m 3 test box 1 and put 1 cigarette 2
The book was sucked into the test box 1 while being sucked, and the cigarette tar was adsorbed on the surface of the steel plate 3. In addition, this state is equivalent to 11 days, assuming that 20 cigarettes are smoked a day between 6 tatami mats.
【００１８】その後、図２に模式的に示すように、光触
媒膜付き鋼板３を紫外線ランプ４に近接配置し、前記煙
草ヤニを吸着した鋼板３（光触媒膜）面に紫外線を 2.5
時間照射して、煙草ヤニの分解・除去、防汚効果を検討
評価したところ、図３に示すような傾向が確認された。
すなわち、テストボックス１内に鋼板３（光触媒膜付
き）をセットする前後、および紫外線放射後における鋼
板３（光触媒膜）の黄色度（測定方式：JISK7105）を、
それぞれ測定評価したところ、図３にて曲線Ａで示すご
とくであった。Thereafter, as schematically shown in FIG. 2, a steel sheet 3 with a photocatalytic film is placed in the vicinity of an ultraviolet lamp 4, and ultraviolet light is applied to the surface of the steel sheet 3 (photocatalytic film) on which the cigarette tar is adsorbed.
After irradiation for hours, the decomposition / removal of the cigarette tar and the antifouling effect were examined and evaluated, and the tendency shown in FIG. 3 was confirmed.
That is, the yellowness (measurement method: JISK7105) of the steel sheet 3 (photocatalytic film) before and after setting the steel sheet 3 (with a photocatalytic film) in the test box 1 and after the ultraviolet radiation,
Each measurement and evaluation was as shown by a curve A in FIG.
【００１９】比較のため、前記光触媒膜の構成におい
て、 MgO微粒子の混在を省略した他は、同一の条件で製
作した光触媒膜付き鋼板について、同様の条件で煙草ヤ
ニの分解・除去、防汚効果を検討評価したところ、図３
にて曲線ａで示すごとくであった。For the sake of comparison, in the structure of the photocatalytic film, the decomposition and removal of tobacco tar and the antifouling effect were performed under the same conditions for the steel sheet with the photocatalytic film manufactured under the same conditions, except that the mixing of MgO fine particles was omitted. Figure 3
, As shown by the curve a.
【００２０】なお、上記した煙草ヤニの分解・除去、防
汚効果は、他の光触媒性の金属酸化物、他のアルカリ土
類金属の酸化物、もしくは両性金属酸化物の組み合わせ
を変えても、同様な傾向が認められる。The decomposition / removal and antifouling effects of the cigarette tar described above can be obtained by changing the combination of another photocatalytic metal oxide, another alkaline earth metal oxide, or an amphoteric metal oxide. A similar tendency is observed.
【００２１】請求項１〜８の発明において、照明器具本
体は、ガラスなどの非金属無機質系材料、有機質系材
料、もしくは金属材料を素材とした成形体、あるいはこ
れら材料製部材の組み合わせなどである。In the first to eighth aspects of the present invention, the lighting fixture body is a non-metallic inorganic material such as glass, an organic material, a molded body made of a metal material, or a combination of these material members. .
【００２２】請求項１〜８の発明において、光触媒性金
属酸化物は、たとえば TiO2 、WO3， LaRhO3 ， FeTiO
3 ，Fe2 O3 ，CdFe2 O 4 ，SrTiO 3 ，CdSe，GaAs， G
aP，RuO2 などの微粒子、あるいは TiO2 − SiO2 を主
体とした微粒子混成系、 TiO2 − SnO2 を主体とした微
粒子混成系、 TiO2 −Al2 O 3 を主体とした微粒子混成
系、 TiO2 と SiO2 ， SnO2 ，Al2 O 3 のうち少なくと
も２種とを主体とした微粒子混成系などが例示される。
特に、アナターゼ形結晶の TiO2 を主体（たとえば重量
比で50％以上をアナターゼ形結晶が占めている）、もし
くはこれを主体としたものが好ましい。In the first to eighth aspects of the present invention, the photocatalytic metal oxide is, for example, TiO 2 , WO 3 , LaRhO 3 , FeTiO
3, Fe 2 O 3, CdFe 2 O 4, SrTiO 3, CdSe, GaAs, G
aP, fine particles such as RuO 2, or TiO 2 - particles hybrid system consisting mainly of SiO 2, TiO 2 - particles hybrid system consisting mainly of SnO 2, particulate hybrid system consisting mainly of TiO 2 -Al 2 O 3, Examples include a fine particle hybrid system mainly composed of TiO 2 and at least two of SiO 2 , SnO 2 , and Al 2 O 3 .
In particular, it is preferable that TiO 2 of the anatase type crystal is mainly used (for example, the anatase type crystal occupies 50% or more in weight ratio), or the one mainly containing TiO 2 is preferable.
【００２３】請求項１〜４の発明において、光触媒性金
属酸化物と併用するアルカリ土類金属の酸化物として
は、たとえばMg、Ca、Sr、Baなどが例示され、これらは
１種もしくは２種以上の混合系で使用される。そして、
アルカリ土類金属酸化物の併用組成比は、光触媒性金属
酸化物20〜80重量％、アルカリ土類金属酸化物80〜20重
量％程度に選ばれる。ここで、アルカリ土類金属の酸化
物は、鉄製分の含有量が二酸化鉄（Fe2 O 3 ）換算で、
0.2重量％以下のものが好ましい。すなわち、二酸化鉄
の含有量が一定値以下であると、紫外線の反射率が上昇
し、光触媒酸化物への紫外線入射量が多くなるので、光
触媒効果が上昇する。In the first to fourth aspects of the present invention, examples of the alkaline earth metal oxide used in combination with the photocatalytic metal oxide include Mg, Ca, Sr, Ba and the like. Used in the above mixed system. And
The combined composition ratio of the alkaline earth metal oxide is selected to be about 20 to 80% by weight of the photocatalytic metal oxide and about 80 to 20% by weight of the alkaline earth metal oxide. Here, the alkaline earth metal oxide has an iron content of iron dioxide (Fe 2 O 3 ) conversion,
Those having a content of 0.2% by weight or less are preferred. That is, when the content of iron dioxide is equal to or less than a certain value, the reflectance of ultraviolet rays increases, and the amount of ultraviolet rays incident on the photocatalyst oxide increases, so that the photocatalytic effect increases.
【００２４】請求項５〜８の発明において、光触媒性金
属酸化物と併用する両性金属酸化物としては、たとえば
Al、Zn、 B、In、Si、Ge、Sn、Sb、Biなどが例示され、
これらは１種もしくは２種以上の混合系で使用される。
特に、Al、Zn、Si、Snなどが好ましい。そして、両性金
属酸化物の併用組成比は、光触媒性金属酸化物20〜80重
量％、両性金属酸化物80〜20重量％程度に選ばれる。こ
こで、両性金属の酸化物は、鉄製分の含有量が二酸化鉄
（Fe2 O 3 ）換算で、 0.2重量％以下のものが好まし
い。すなわち、二酸化鉄の含有量が一定値以下である
と、紫外線の反射率が上昇し、光触媒酸化物への紫外線
入射量が多くなるので、光触媒効果が上昇する。In the invention of claims 5 to 8, the amphoteric metal oxide used in combination with the photocatalytic metal oxide includes, for example,
Al, Zn, B, In, Si, Ge, Sn, Sb, Bi and the like are exemplified,
These are used in one kind or in a mixture of two or more kinds.
Particularly, Al, Zn, Si, Sn and the like are preferable. The combined composition ratio of the amphoteric metal oxide is selected to be about 20 to 80% by weight of the photocatalytic metal oxide and about 80 to 20% by weight of the amphoteric metal oxide. Here, the oxide of the amphoteric metal preferably has an iron content of 0.2% by weight or less in terms of iron dioxide (Fe 2 O 3 ). That is, when the content of iron dioxide is equal to or less than a certain value, the reflectance of ultraviolet rays increases, and the amount of ultraviolet rays incident on the photocatalyst oxide increases, so that the photocatalytic effect increases.
【００２５】請求項１〜８の発明において、光触媒性金
属酸化物と、アルカリ土類金属酸化物もしくは両性金属
酸化物とともに、光触媒膜を形成するバインダー樹脂と
しては、適度の接着性および耐熱性を有するならば特に
限定されないが、一般的には、耐水性を有するシリコー
ン化合物およびフッ素樹脂が好ましい。ここで、シリコ
ーン化合物とは、たとえばエトオキシ基などのアルコキ
シ基を分子中に有するオリゴマー（低分子化合物）、硬
化反応性を有するシリコーン樹脂などが例示される。ま
た、この組成比は、シリコーン化合物：金属酸化物＝
１：１程度である。In the first to eighth aspects of the present invention, the binder resin for forming the photocatalytic film together with the photocatalytic metal oxide and the alkaline earth metal oxide or the amphoteric metal oxide has appropriate adhesiveness and heat resistance. There is no particular limitation as long as it has, but generally, a water-resistant silicone compound and a fluororesin are preferred. Here, examples of the silicone compound include oligomers (low-molecular compounds) having an alkoxy group such as an ethoxy group in the molecule, and silicone resins having curing reactivity. Further, this composition ratio is as follows: silicone compound: metal oxide =
It is about 1: 1.
【００２６】請求項１〜４の発明に係る光触媒膜は、次
のようにして容易に形成できる。たとえばテトライソプ
ロピルチタネートモノマーもしくはテトライソプロピル
チタネートポリマーなどのアルコキシチタネート系化合
物およびマグネシアとの混合分散液を、照明器具本体面
に塗布・乾燥ないし焼付けることによって、所要の光触
媒膜を設けることができる。The photocatalyst film according to the first to fourth aspects of the present invention can be easily formed as follows. For example, a required photocatalyst film can be provided by applying, drying or baking a mixed dispersion of an alkoxytitanate-based compound such as a tetraisopropyl titanate monomer or a tetraisopropyl titanate polymer and magnesia on the main body of the lighting fixture.
【００２７】請求項５〜８の発明に係る光触媒膜は、次
のようにして容易に形成できる。たとえばテトライソプ
ロピルチタネートモノマーもしくはテトライソプロピル
チタネートポリマーなどのアルコキシチタネート系化合
物およびエチルシリケート系化合物の混合溶液を、照明
器具本体面に塗布・乾燥ないし焼付けることによって、
所要の光触媒膜を設けることができる。The photocatalyst film according to the invention of claims 5 to 8 can be easily formed as follows. For example, by applying a mixed solution of an alkoxy titanate-based compound such as a tetraisopropyl titanate monomer or a tetraisopropyl titanate polymer and an ethyl silicate-based compound to a lighting device body surface, drying or baking,
A required photocatalytic film can be provided.
【００２８】また、たとえばチタンのアルコキシドおよ
びエチルシリケートの混合溶液に、平均粒径 5〜10nm程
度のアナターゼ型結晶の TiO2 微粒子を懸濁・分散液
を、照明器具本体面に塗布し、乾燥・焼成によってアル
コキシド成分から平均粒径 5nm未満の TiO2 などを結晶
化させることなどによっても形成できる。この場合、ア
ルコキシド成分で形成される光学系膜と同程度の硬度や
強度と、平均粒径 5〜70nmの TiO2 微粒子のみで形成さ
れる光触媒膜と同程度の光触媒作用とを備えた光触媒体
を形成できる。Further, for example, a suspension / dispersion of TiO 2 fine particles of anatase type crystal having an average particle size of about 5 to 10 nm is applied to a mixed solution of titanium alkoxide and ethyl silicate on the main body of the lighting equipment, and dried. It can also be formed by crystallizing TiO 2 with an average particle size of less than 5 nm from the alkoxide component by firing. In this case, a photocatalyst body having the same hardness and strength as the optical film formed of the alkoxide component and the same photocatalytic action as the photocatalytic film formed only of the TiO 2 fine particles having an average particle size of 5 to 70 nm. Can be formed.
【００２９】請求項１ないし請求項８の発明では、光触
媒作用を有する TiO2 などの表面性（酸性）が、アルカ
リ土類金属酸化物もしくは両性金属酸化物との併用によ
って緩和・調整される。つまり、煙草ヤニのようなアル
カリ性を有する有機物成分の吸着と、その吸着した煙草
ヤニの分解・除去とがバランスよく行われるので、照明
器具の防汚が容易になされ、外観損傷の問題が解消す
る。According to the first to eighth aspects of the present invention, the surface property (acidity) of TiO 2 or the like having a photocatalytic action is relaxed and adjusted by the combined use with an alkaline earth metal oxide or an amphoteric metal oxide. In other words, adsorption of organic components having alkalinity, such as tobacco tar, and decomposition / removal of the adsorbed tobacco tar are performed in a well-balanced manner, so that the lighting equipment is easily stain-proof and the problem of appearance damage is solved. .
【００３０】請求項２，６の発明では、併用するアルカ
リ土類金属酸化物もしくは両性金属酸化物の選択によ
り、より容易、かつ効果的な防汚および外観損傷の問題
を解消できる。According to the second and sixth aspects of the present invention, it is possible to more easily and effectively solve the problems of antifouling and appearance damage by selecting an alkaline earth metal oxide or an amphoteric metal oxide to be used in combination.
【００３１】請求項３，７の発明では、光触媒膜が良好
な耐湿性ないし耐水性が付与されるので、さらに、使用
雰囲気の湿度面からの影響が抑制され、安定した防汚機
能を呈する。According to the third and seventh aspects of the present invention, since the photocatalytic film is imparted with good moisture resistance or water resistance, the influence of the humidity in the use atmosphere is further suppressed, and a stable antifouling function is exhibited.
【００３２】請求項４，８の発明では、光触媒膜が紫外
線によって活性化した状態を採ることができるため、よ
り容易に、かつ効果的な防汚および外観損傷の問題を解
消できる。According to the fourth and eighth aspects of the present invention, since the photocatalyst film can be activated by ultraviolet rays, the problems of stain resistance and appearance damage can be solved more easily and effectively.
【００３３】[0033]
【発明の実施の形態】以下図４ (a)， (b)〜図５を参照
して実施形態を説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment will be described below with reference to FIGS. 4 (a) and (b) to FIG.
【００３４】図４ (a)は、第１の実施例に係る照明器具
の構成例を断面的に、また、図４ (b)は一部を拡大して
断面的に示したものである。図４ (a)， (b)において、
５は直管形蛍光ランプ（FL 20W）用の照明器具本体、６
は前記照明器具本体５面に設けられた光触媒膜である。FIG. 4A is a sectional view showing an example of the configuration of the lighting apparatus according to the first embodiment, and FIG. 4B is a sectional view showing a partly enlarged view. In FIGS. 4 (a) and (b),
5 is a lighting fixture body for a straight tube fluorescent lamp (FL 20W), 6
Is a photocatalytic film provided on the surface of the lighting fixture body 5.
【００３５】ここで、照明器具本体５は、安定器などを
内蔵した合成樹脂製の長尺形の筐体4aと、この筐体5aの
両端部に対向し、一体的に配置され、かつ前記安定器側
に電気的に接続している一対のソケット5bと、前記安定
器などを電源側に接続するリード線5cとを有する構成と
成っている。The luminaire main body 5 is a synthetic resin long housing 4a containing a ballast and the like, and is opposed to both ends of the housing 5a and is integrally arranged. It has a configuration having a pair of sockets 5b electrically connected to the ballast side and lead wires 5c connecting the ballast and the like to the power supply side.
【００３６】また、光触媒膜６は、たとえば平均粒子径
が0.01μm 程度の TiO2 、MgO などの金属酸化物微粒
子、およびシリコーン化合物をバインダー樹脂として、
TiO2：MgO ：シリコーン化合物＝25：25：50（重量
比）の割合で含む混合スラリーを塗布・乾燥などして形
成した厚さ30μm 程度の膜である。そして、この光触媒
膜６は、前記照明器具本体５に装着した蛍光ランプを点
灯したとき、その点灯放射光が当たる面に設けられてい
る。すなわち、照明器具本体５の蛍光ランプ（低圧放電
灯）を装着したとき対向する筐体5aの面、ソケット5bの
対向面にそれぞれ設けられている。The photocatalyst film 6 is formed, for example, by using metal oxide fine particles such as TiO 2 and MgO having an average particle diameter of about 0.01 μm and a silicone compound as a binder resin.
This is a film having a thickness of about 30 μm formed by applying and drying a mixed slurry containing TiO 2 : MgO: silicone compound = 25: 25: 50 (weight ratio). The photocatalyst film 6 is provided on a surface to which the radiated light is applied when the fluorescent lamp mounted on the lighting fixture body 5 is turned on. That is, they are provided on the surface of the housing 5a and the surface of the socket 5b that face each other when the fluorescent lamp (low-pressure discharge lamp) of the lighting fixture body 5 is mounted.
【００３７】上記構成光触媒膜付き照明器具に、対応す
る蛍光ランプを装着し、20本程度の煙草が喫煙される部
屋で点灯し、照明器具に対する煙草ヤニの付着（汚
染）、および付着した煙草ヤニの分解・除去（清浄化）
の状態を、光束分布や黄色度などで観察評価したとこ
ろ、前記光触媒膜を設けた面の汚染がほとんど解消して
いた。A corresponding fluorescent lamp is mounted on the lighting device with the photocatalytic film, and the lighting device is turned on in a room where about 20 cigarettes are smoked. Decomposition and removal (cleaning)
Observation and evaluation of the condition (1) by luminous flux distribution, yellowness, and the like revealed that contamination on the surface provided with the photocatalytic film was almost eliminated.
【００３８】この第１の実施例において、MgO の代りに
SrOもしくは CaOの微粒子、あるいは ZnOや SiO2 の微
粒子を使用しても、同様の結果が得られる。In this first embodiment, instead of MgO,
Similar results can be obtained by using fine particles of SrO or CaO, or fine particles of ZnO or SiO 2 .
【００３９】図５は、第２の実施例に係る直管形蛍光ラ
ンプ（FL 20W）用の照明器具の一部を拡大して示す断面
図である。この実施形態では、光触媒膜６の下地として
紫外線反射率の高い材料から成る層７を設けてある。す
なわち、安定器などを内蔵した合成樹脂製の長尺形の筐
体4aと、この筐体5aの両端部に対向し、一体的に配置さ
れ、かつ前記安定器側に電気的に接続している一対のソ
ケット5bと、前記安定器などを電源側に接続するリード
線5cとを有する構成の照明器具本体５である。FIG. 5 is an enlarged sectional view showing a part of a lighting device for a straight tube fluorescent lamp (FL 20W) according to the second embodiment. In this embodiment, a layer 7 made of a material having a high ultraviolet reflectance is provided as a base of the photocatalyst film 6. That is, a long case 4a made of synthetic resin containing a ballast and the like, opposed to both ends of the case 5a, integrally disposed, and electrically connected to the ballast side. And a lead wire 5c for connecting the ballast and the like to the power supply side.
【００４０】なお、照明器具本体５に蛍光ランプ（低圧
放電灯）を装着したときに、対向する照明器具本体５
面、すなわち、筐体5aの面、ソケット5bの対向面など
に、光触媒膜６の下地層（アンダーコート）７として、
可視光および紫外線の反射率が高いAl2 O 3 層を設けて
もよい。When a fluorescent lamp (low-pressure discharge lamp) is mounted on the lighting fixture body 5, the lighting fixture body
As a base layer (undercoat) 7 of the photocatalytic film 6 on the surface, that is, the surface of the housing 5a, the surface facing the socket 5b, and the like,
An Al 2 O 3 layer having high reflectance of visible light and ultraviolet light may be provided.
【００４１】また、光触媒膜６は、たとえば平均粒子径
が0.01μm 程度の TiO2 、MgO の金属酸化物微粒子、お
よびシリコーン化合物をバインダー樹脂として、 Ti
O2 ：MgO ：シリコーン化合物＝25：25：50（重量比）
の割合で含む混合スラリーを塗布・乾燥などして形成し
た厚さ30μm 程度の膜である。そして、この光触媒膜６
は、前記照明器具本体５に装着した低圧放電灯を点灯し
たとき、その点灯放射光が当たる面に設けられている。The photocatalyst film 6 is made of, for example, a metal oxide fine particle of TiO 2 or MgO having an average particle diameter of about 0.01 μm and a silicone compound as a binder resin.
O 2 : MgO: silicone compound = 25: 25: 50 (weight ratio)
This is a film with a thickness of about 30 μm formed by applying and drying a mixed slurry containing at a ratio of Then, this photocatalytic film 6
When the low-pressure discharge lamp mounted on the lighting fixture main body 5 is turned on, the low-pressure discharge lamp is provided on a surface to which the emitted radiation is applied.
【００４２】上記構成光触媒膜付き照明器具に、対応す
る蛍光ランプを装着し、20本程度の煙草が喫煙される部
屋で点灯し、照明器具に対する煙草ヤニの付着（汚
染）、および付着した煙草ヤニの分解・除去（清浄化）
の状態を、光束分布や黄色度などで観察評価したとこ
ろ、前記光触媒膜を設けた面の汚染がほとんど解消して
いた。A corresponding fluorescent lamp is attached to the lighting device with the photocatalytic film, and the lighting device is turned on in a room where about 20 cigarettes are smoked. Decomposition and removal (cleaning)
Observation and evaluation of the condition (1) by luminous flux distribution, yellowness, and the like revealed that contamination on the surface provided with the photocatalytic film was almost eliminated.
【００４３】この第２の実施例において、MgO の代りに
SrOもしくは CaOの微粒子、あるいは ZnOや SiO2 の微
粒子を使用しても、同様の結果が得られる。In this second embodiment, instead of MgO,
Similar results can be obtained by using fine particles of SrO or CaO, or fine particles of ZnO or SiO 2 .
【００４４】上記実施例では、光触媒性酸化物として T
iO2 、アルカリ土類金属酸化物としてMgO 、また、バイ
ンダー樹脂としてシリコーン化合物を使用した構成を示
したが、これらに限定されるものでなく、他の光触媒性
酸化物、アルカリ土類金属酸化物もしくは両性酸化物、
バインダー樹脂の組み合わせでも同様の作用効果が得ら
れる。In the above example, the photocatalytic oxide was T
iO 2 , MgO as an alkaline earth metal oxide, and a configuration using a silicone compound as a binder resin were shown, but the present invention is not limited thereto, and other photocatalytic oxides and alkaline earth metal oxides may be used. Or an amphoteric oxide,
Similar functions and effects can be obtained with a combination of binder resins.
【００４５】[0045]
【発明の効果】請求項１ないし請求項８の発明によれ
ば、煙草ヤニのようなアルカリ性を有する有機物成分の
場合でも、照明器具における煙草ヤニの吸着と、吸着し
た煙草ヤニの分解・除去とがバランスよく行われるの
で、照明器具の防汚が容易になされ、良好な外観性が保
持・維持される。According to the first to eighth aspects of the present invention, even in the case of an organic substance having alkalinity such as tobacco tar, adsorption of the tobacco tar in the lighting equipment and decomposition / removal of the adsorbed tobacco tar. Is performed in a well-balanced manner, so that the lighting fixture is easily stain-proofed, and good appearance is maintained and maintained.
【図１】この発明に係る照明器具を煙草ヤニによって汚
染する例を模式的に示す斜視図。FIG. 1 is a perspective view schematically showing an example in which a lighting fixture according to the present invention is contaminated by tobacco tar.
【図２】付着・汚染する煙草ヤニの分解・除去例を模式
的に示す斜視図。FIG. 2 is a perspective view schematically showing an example of disassembling and removing tobacco tar adhering and contaminating.
【図３】この発明に係る照明器具の煙草ヤニによる付着
・汚染、紫外線照射による清浄化を従来の場合と比較し
て示す特性図。FIG. 3 is a characteristic diagram showing adhesion and contamination of a lighting fixture according to the present invention by tobacco tar, and cleaning by ultraviolet irradiation as compared with a conventional case.
【図４】第１の実施例に係る照明器具の概略構成例を示
すもので、(a) は全体の斜視図、(b) は一部を拡大して
示す断面図。FIGS. 4A and 4B are schematic perspective views showing examples of the configuration of the lighting apparatus according to the first embodiment, in which FIG. 4A is an overall perspective view, and FIG.
【図５】第２の実施例に係る照明器具の概略構成例の一
部を拡大して示す断面図。FIG. 5 is an enlarged cross-sectional view showing a part of a schematic configuration example of a lighting fixture according to a second embodiment.
１……テストボックス ２……煙草 ３……鋼板 ４……紫外線ランプ ５……照明器具本体 5a……筐体 5b……ソケット 5c……リード線 ６……光触媒膜 ７……光触媒膜の下地層（アンダーコート） 1 ... test box 2 ... cigarette 3 ... steel plate 4 ... ultraviolet lamp 5 ... lighting fixture body 5a ... housing 5b ... socket 5c ... lead wire 6 ... photocatalytic film 7 ... under photocatalytic film Formation (undercoat)
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） Ｂ０１Ｊ 35/02 Ｂ０１Ｊ 35/02 Ｊ Ｆ２１Ｖ 3/04 Ｆ２１Ｖ 3/04 Ｄ (72)発明者 石崎 有義 東京都品川区東品川四丁目３番１号 東芝 ライテック株式会社内 Ｆターム(参考） 4C058 AA02 BB06 KK02 4G069 AA03 AA08 AA09 BA01A BA02A BA02B BA02C BA04B BA04C BA06A BA06B BA06C BA48A BA48C BB04A BB04B BB04C BB06A BB06B BB06C BC08A BC08B BC08C BC09A BC09B BC10A BC10B BC10C BC12A BC12B BC22A BC35A BC35B BC66A BD02A BD02B BD02C CA01 CA07 CA10 CA15 DA06 EA08 EB18Y FA03 FB23 FC05 ──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. 7 Identification symbol FI Theme coat ゛ (Reference) B01J 35/02 B01J 35/02 J F21V 3/04 F21V 3/04 D (72) Inventor Yuyoshi Ishizaki Tokyo 4-3-1 Higashi-Shinagawa, Tokyo Shinagawa-ku Toshiba Lighting & Technology Corporation F-term (reference) 4C058 AA02 BB06 KK02 4G069 AA03 AA08 AA09 BA01A BA02A BA02B BA02C BA04B BA04C BA06A BA06B BA06C BA48A BA48C BB04A BB04B08 BB04B08C BC09B BC10A BC10B BC10C BC12A BC12B BC22A BC35A BC35B BC66A BD02A BD02B BD02C CA01 CA07 CA10 CA15 DA06 EA08 EB18Y FA03 FB23 FC05
Claims (8)
なくとも一部に被覆形成された光触媒膜と；を具備する
光触媒付き照明器具であって、 前記光触媒膜が光触媒性酸化物、アルカリ土類金属の酸
化物およびバインダー樹脂の混合物で形成されているこ
とを特徴とする光触媒付き照明器具。1. A lighting device with a photocatalyst, comprising: a lighting device main body; and a photocatalytic film coated on at least a part of the lighting device main body, wherein the photocatalytic film is a photocatalytic oxide, an alkaline earth. A lighting device with a photocatalyst, comprising a mixture of a metal oxide and a binder resin.
びSrから選ばれた少なくとも１種の金属酸化物であるこ
とを特徴とする請求項１記載の光触媒付き照明器具。2. The lighting device with a photocatalyst according to claim 1, wherein the alkaline earth metal oxide is at least one metal oxide selected from Mg, Ca and Sr.
びフッ素樹脂から選ばれた少なくとも１種であることを
特徴とする請求項１または請求項２記載の光触媒付き照
明器具。3. The lighting device with a photocatalyst according to claim 1, wherein the binder resin is at least one selected from a silicone compound and a fluororesin.
成分は二酸化鉄換算で 0.2重量％以下であることを特徴
とする請求項１ないし請求項３いずれか一記載の光触媒
付き照明器具。4. The lighting device with a photocatalyst according to claim 1, wherein an iron component contained in the alkaline earth metal oxide is 0.2% by weight or less in terms of iron dioxide.
なくとも一部に被覆形成された光触媒膜と；を具備する
光触媒付き照明器具であって、 前記光触媒膜が光触媒性酸化物、両性金属酸化物および
バインダー樹脂の混合物で形成されていることを特徴と
する光触媒付き照明器具。5. A lighting device with a photocatalyst, comprising: a lighting device main body; and a photocatalytic film coated on at least a part of the lighting device main body, wherein the photocatalytic film is a photocatalytic oxide, an amphoteric metal oxide. A lighting device with a photocatalyst characterized by being formed of a mixture of a substance and a binder resin.
ら選ばれた少なくとも１種の金属酸化物であることを特
徴とする請求項５記載の光触媒付き照明器具。6. The lighting device with a photocatalyst according to claim 5, wherein the amphoteric metal oxide is at least one metal oxide selected from Al, Zn, Si and Sn.
びフッ素樹脂から選ばれた少なくとも１種であることを
特徴とする請求項５または請求項６記載の光触媒付き照
明器具。7. The lighting device with a photocatalyst according to claim 5, wherein the binder resin is at least one selected from a silicone compound and a fluororesin.
酸化鉄換算で 0.2重量％以下であることを特徴とする請
求項５ないし請求項７いずれか一記載の光触媒付き照明
器具。8. The lighting device with a photocatalyst according to claim 5, wherein an iron component contained in the oxide of the amphoteric metal is 0.2% by weight or less in terms of iron dioxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11090091A JP2000285714A (en) | 1999-03-30 | 1999-03-30 | Lighting equipment with photocatalyst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11090091A JP2000285714A (en) | 1999-03-30 | 1999-03-30 | Lighting equipment with photocatalyst |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000285714A true JP2000285714A (en) | 2000-10-13 |
Family
ID=13988856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11090091A Withdrawn JP2000285714A (en) | 1999-03-30 | 1999-03-30 | Lighting equipment with photocatalyst |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000285714A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018047411A (en) * | 2016-09-20 | 2018-03-29 | アンデス電気株式会社 | Method for regenerating photocatalyst deodorization material, photocatalyst deodorization material regeneration system, and method for producing regenerated photocatalyst deodorization material |
| JP2021505298A (en) * | 2017-12-11 | 2021-02-18 | ダブリュ．エル．ゴア アンド アソシエイツ，インコーポレイティドＷ．Ｌ． Ｇｏｒｅ ＆ Ａｓｓｏｃｉａｔｅｓ， Ｉｎｃｏｒｐｏｒａｔｅｄ | Methods for Manufacturing Flexible UV Generation Sheets and Systems |
-
1999
- 1999-03-30 JP JP11090091A patent/JP2000285714A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018047411A (en) * | 2016-09-20 | 2018-03-29 | アンデス電気株式会社 | Method for regenerating photocatalyst deodorization material, photocatalyst deodorization material regeneration system, and method for producing regenerated photocatalyst deodorization material |
| JP2021505298A (en) * | 2017-12-11 | 2021-02-18 | ダブリュ．エル．ゴア アンド アソシエイツ，インコーポレイティドＷ．Ｌ． Ｇｏｒｅ ＆ Ａｓｓｏｃｉａｔｅｓ， Ｉｎｃｏｒｐｏｒａｔｅｄ | Methods for Manufacturing Flexible UV Generation Sheets and Systems |
| US11654207B2 (en) | 2017-12-11 | 2023-05-23 | W. L. Gore & Associates, Inc. | Methods for producing flexible ultraviolet light generation sheets and systems |
| JP7314138B2 (en) | 2017-12-11 | 2023-07-25 | ダブリュ．エル．ゴア アンド アソシエイツ，インコーポレイティド | Method for manufacturing flexible ultraviolet light generating sheets and systems |
| US11857689B2 (en) | 2017-12-11 | 2024-01-02 | W.L. Gore & Associates, Inc. | Methods for producing flexible ultraviolet light generation sheets and systems |
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