JP2015047590A - Photocatalyst - Google Patents
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- JP2015047590A JP2015047590A JP2013182694A JP2013182694A JP2015047590A JP 2015047590 A JP2015047590 A JP 2015047590A JP 2013182694 A JP2013182694 A JP 2013182694A JP 2013182694 A JP2013182694 A JP 2013182694A JP 2015047590 A JP2015047590 A JP 2015047590A
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- photocatalyst
- bead
- porous
- fiber
- porous beads
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- 239000011941 photocatalyst Substances 0.000 title claims abstract description 41
- 239000011324 bead Substances 0.000 claims abstract description 42
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 14
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims abstract description 13
- 230000001699 photocatalysis Effects 0.000 claims abstract description 10
- 239000000843 powder Substances 0.000 claims abstract description 10
- 229920002994 synthetic fiber Polymers 0.000 claims abstract description 8
- 239000012209 synthetic fiber Substances 0.000 claims abstract description 8
- 239000011521 glass Substances 0.000 claims abstract description 7
- 238000005245 sintering Methods 0.000 claims abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 239000000835 fiber Substances 0.000 claims description 10
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 229910001200 Ferrotitanium Inorganic materials 0.000 claims description 3
- 239000005388 borosilicate glass Substances 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 2
- 239000011737 fluorine Substances 0.000 claims description 2
- 229910052731 fluorine Inorganic materials 0.000 claims description 2
- 238000007146 photocatalysis Methods 0.000 abstract 1
- 230000009257 reactivity Effects 0.000 abstract 1
- 239000004744 fabric Substances 0.000 description 7
- 238000013032 photocatalytic reaction Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000005373 porous glass Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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- Catalysts (AREA)
- Woven Fabrics (AREA)
- Decoration Of Textiles (AREA)
Abstract
Description
本発明は、被服等に用いることのできる面状の光触媒体に関する。 The present invention relates to a planar photocatalyst that can be used for clothing and the like.
アナターゼ型の酸化チタンは光触媒として知られており、この光触媒を塗布したものは表面に汚れ等が付着しても、紫外光環境下における光触媒の自己浄化作用により汚れが分解されるため、生地に光触媒をコーティングすることができれば、生地の汚れを自己浄化させることができる。 Anatase-type titanium oxide is known as a photocatalyst, and even if the photocatalyst is applied to the surface, dirt is decomposed by the self-cleaning action of the photocatalyst in an ultraviolet light environment. If the photocatalyst can be coated, the dirt on the fabric can be self-purified.
この場合、特許文献1に記載されているように、生地に酸化チタン溶液をスプレーするなどしてその表面に担持させることが最も簡単であるが、乾燥した後、生地の風合を損ねたり、生地表面から脱落してしまう。このため、最近では、光触媒を合成繊維に混練し、その繊維で生地を織ることも行われている。 In this case, as described in Patent Document 1, it is easiest to carry the titanium oxide solution on the surface of the fabric by spraying it, but after drying, the texture of the fabric may be impaired, It will fall off the fabric surface. For this reason, recently, a photocatalyst is kneaded with synthetic fibers, and the fabric is woven with the fibers.
しかしながら、合成繊維の原料として有機物質が使用されている場合、酸化チタンの強力な光触媒作用により、有機物質が分解されるため生地自体も分解されてしまうという問題を生ずる。
また、光触媒反応に耐えるフッ素樹脂系の繊維を用いることも考えられるが、その樹脂中に光触媒を添加して混練し繊維として紡績するためにはそれなりの化学プラントを必要とし、コストが嵩むという問題がある。
However, when an organic substance is used as a raw material for the synthetic fiber, there arises a problem that the organic substance is decomposed by the strong photocatalytic action of titanium oxide, so that the cloth itself is also decomposed.
In addition, it is conceivable to use fluororesin fibers that can withstand photocatalytic reactions, but adding a photocatalyst to the resin, kneading and spinning it as a fiber requires a certain chemical plant and increases costs. There is.
そこで本発明は、光触媒を担持させたビーズを面状に配列させることにより被服等の面状のものに光触媒作用を生じさせることを技術的課題としている。 In view of this, the present invention has a technical problem of causing photocatalytic action to occur on a surface of clothing or the like by arranging beads carrying a photocatalyst in a surface.
この課題を解決するために、本発明に係る光触媒体は、ガラス粉末を焼結させて成形した多孔質ビーズに、当該ビーズを貫通する糸通し孔が形成されると共に、光触媒となる酸化チタンがコーティングされてなり、耐光触媒反応性を有するワイヤもしくは合成繊維が、前記多孔質ビーズの糸通し孔に順次挿通されて、多孔質ビーズが面状に織り上げられたことを特徴とする。 In order to solve this problem, the photocatalyst according to the present invention includes a porous bead formed by sintering glass powder and a threading hole penetrating the bead, and titanium oxide serving as a photocatalyst. A coated wire or synthetic fiber having resistance to photocatalytic reaction is sequentially inserted into the threading hole of the porous bead, and the porous bead is woven into a planar shape.
本発明の光触媒体によれば、光触媒を担持させた多孔質ビーズに糸通し孔が形成され、この多孔質ビーズがワイヤなどにより面状に織り上げられているので、このビーズ織りされた光触媒体を用いて被服を縫製すれば、ビーズ装飾が施された高級被服となり、個々の多孔質ビーズには光触媒となる酸化チタンが担持されているので、汚れが付着しても紫外線環境下で光触媒作用を呈し、自己浄化される。
したがって、いままで洗濯等が困難であったビーズ織り高級被服でも、洗濯することなく清浄な状態に維持することができる。
According to the photocatalyst body of the present invention, threading holes are formed in the porous beads carrying the photocatalyst, and the porous beads are woven into a planar shape by a wire or the like. If used to sew clothes, it becomes a high-grade garment with bead decoration, and each porous bead carries titanium oxide as a photocatalyst. Presented and self-purified.
Therefore, even bead-woven high-quality clothing that has been difficult to wash can be kept clean without being washed.
また、ビーズ織りされた光触媒体を部分的に装飾品として使用する場合も、同様に紫外線環境下で自己浄化されるので、常に清浄な状態に維持され、手入れが簡素化できる。
さらに、光触媒体は、光触媒を担持させた多孔質ビーズが面状に配列されているので、光触媒作用を有する光触媒フィルタとして用いることもできる。
Further, when a bead-woven photocatalyst is partially used as a decorative article, it is also self-purified in an ultraviolet environment, so that it is always kept clean and the maintenance can be simplified.
Furthermore, the photocatalyst can be used as a photocatalytic filter having a photocatalytic action because the porous beads carrying the photocatalyst are arranged in a plane.
本発明に係る光触媒体は、ガラス粉末を焼結させて成形した多孔質ビーズに、当該ビーズを貫通する糸通し孔が形成されると共に、光触媒となる酸化チタンがコーティングされてなり、耐光触媒反応性を有するワイヤもしくは合成繊維が、前記多孔質ビーズの糸通し孔に順次挿通されて多孔質ビーズが面状に織り上げられている。
多孔質ビーズを形成するガラス粉末としては、ホウケイ酸ガラスの粉末を用いることができる。
また、多孔質ビーズの糸通し孔に挿通されるワイヤは、チタン製又はステンレス製であることが好ましい。
さらに、多孔質ビーズの糸通し孔に挿通される合成繊維が、ガラス繊維、炭素繊維、フルオロカーボン繊維及びフッ素系繊維のいずれかであることが好ましい。
The photocatalyst according to the present invention comprises a porous bead formed by sintering glass powder, a threading hole penetrating the bead and a titanium oxide serving as a photocatalyst, and a photocatalytic reaction. A porous wire or synthetic fiber is sequentially inserted into the threading hole of the porous bead, and the porous bead is woven into a planar shape.
Borosilicate glass powder can be used as the glass powder forming the porous beads.
Moreover, it is preferable that the wire inserted into the threading hole of the porous bead is made of titanium or stainless steel.
Furthermore, it is preferable that the synthetic fiber inserted into the threading hole of the porous bead is any one of glass fiber, carbon fiber, fluorocarbon fiber, and fluorine-based fiber.
光触媒体1は、光触媒となる酸化チタン2がコーティングされた多数の多孔質ビーズ3…が、耐光触媒反応性を有するワイヤ4によって織り上げられて成る。
多孔質ビーズ3は、ガラス粉末を焼結させて任意の形状に成形されて、当該ビーズ3を貫通する糸通し孔5が形成されると共に、その表面に光触媒がコーティングされている。
The photocatalyst body 1 is formed by weaving a large number of porous beads 3 coated with titanium oxide 2 serving as a photocatalyst by wires 4 having photocatalytic resistance.
The porous bead 3 is formed into an arbitrary shape by sintering glass powder, the
この多孔質ビーズ3は、例えば、図2に示すプレス金型6A〜6Eを用いて直径4〜8mm程度の楕円球状に成形される。
プレス金型6A〜5Dは、上下左右から合体されて多孔質ビーズ3の外形状となるキャビティ7を形成し、プレス金型6Eは糸通し孔5を形成する。
The porous beads 3 are formed into an elliptical sphere having a diameter of about 4 to 8 mm using, for example, press
The press dies 6 </ b> A to 5 </ b> D are combined from above, below, left, and right to form a
具体的には、図3(a)に示すように、孔成形用プレス金型6Eの上から底部プレス金型6Aを合体させた状態で、左右のプレス金型6B、5Cを型締めしてキャビティ7内に原料となるホウケイ酸ガラス粉末8をバインダと共に充填した後、図3(b)に示すように頂部プレス金型6Eで加圧することによりプレス成形し、図3(c)に示すように型バラシすれば、図3(d)に示すようなビーズ形状のペレット9が形成される。
Specifically, as shown in FIG. 3A, the left and right press dies 6B and 5C are clamped in a state where the bottom press dies 6A are combined from above the hole forming
このペレット8を所定の温度で焼結させることにより、孔径40〜100μmの連結多孔質状に形成された多孔質ビーズ3が得られる。
この多孔質ビーズ3をアナターゼ型酸化チタンの溶液中に浸漬した後、洗浄し、さらに焼結乾燥させることにより、その表面に酸化チタン2がコーティングされる。
なお、このような製法に限らず、市販のホウケイ酸多孔質ガラスビーズにレーザ加工などの手法で糸通し孔を形成し、光触媒を担持させてもよい。
By sintering the pellet 8 at a predetermined temperature, the porous beads 3 formed into a connected porous shape having a pore diameter of 40 to 100 μm are obtained.
The porous beads 3 are immersed in a solution of anatase-type titanium oxide, washed, and then sintered and dried to coat the surface with titanium oxide 2.
Note that the present invention is not limited to this method, and a threading hole may be formed on a commercially available borosilicate porous glass bead by a technique such as laser processing to carry a photocatalyst.
次いで、このように形成された多孔質ビーズ3の糸通し孔5にワイヤ4を順次挿通して面状に織り上げていく。
ワイヤ4としては、光触媒反応で分解されない耐光触媒反応性を有するチタン製やステンレス製のものが望ましく、本例ではチタンワイヤを使用している。
また、ワイヤ4に替えて、耐光触媒反応性を有する繊維、例えば、ガラス繊維、炭素繊維、フルオロカーボン繊維及びフッ素系繊維のいずれかを用いる場合でもよい。
Next, the wires 4 are sequentially inserted into the
The wire 4 is preferably made of titanium or stainless steel having photocatalytic resistance that is not decomposed by the photocatalytic reaction. In this example, a titanium wire is used.
Moreover, it may replace with the wire 4 and the case where the fiber which has photocatalytic-reactivity, for example, any of glass fiber, carbon fiber, fluorocarbon fiber, and a fluorine-type fiber may be used.
以上が本発明の一構成例であって、次にその作用について説明する。
光触媒体1は、多数の多孔質ビーズ2…により面状に織り上げられているので、この光触媒体1で被服などを縫製すればビーズ織りの高級被服となり、また、個々の多孔質ビーズ2には光触媒となる酸化チタン2が担持されて光触媒作用を有するので、汚れが付着しても紫外線環境下で自己浄化される。
したがって、いままで洗濯等が困難であったビーズ織り高級被服でも、洗濯することなく清浄な状態に維持することができるというメリットがある。
The above is one configuration example of the present invention, and the operation thereof will be described next.
Since the photocatalyst body 1 is woven in a planar shape by a large number of porous beads 2... Sewing clothes on the photocatalyst body 1, it becomes a high-grade bead-woven garment. Since titanium oxide 2 serving as a photocatalyst is supported and has a photocatalytic action, even if dirt is attached, it is self-purified in an ultraviolet environment.
Therefore, there is an advantage that even bead-woven high-quality clothing that has been difficult to wash can be kept clean without being washed.
また、本発明の光触媒体1のビーズ織りを部分的に装飾品として使用する場合も、同様に紫外線環境下で自己浄化されるので、常に清浄な状態に維持され、手入れが簡素化されるというメリットがある。
さらに、光触媒体1は、光触媒を担持させた多孔質ビーズ2を面状に配列することができることから、これを布製フィルタのように、光触媒フィルタとして用いることもできる。
In addition, when the bead weave of the photocatalyst body 1 of the present invention is partially used as a decorative product, it is similarly self-purified in an ultraviolet environment, so that it is always kept clean and the maintenance is simplified. There are benefits.
Furthermore, since the photocatalyst body 1 can arrange | position the porous bead 2 which carry | supported the photocatalyst planarly, this can also be used as a photocatalyst filter like a cloth filter.
本発明は、光触媒を担持させた多孔質ビーズを面状に配列した光触媒体の用途に適用し得る。 The present invention can be applied to the use of a photocatalyst body in which porous beads carrying a photocatalyst are arranged in a planar shape.
1 光触媒体
2 酸化チタン
3 多孔質ビーズ
4 ワイヤ
5 糸通し孔
1 Photocatalyst body 2 Titanium oxide 3 Porous beads 4
Claims (4)
耐光触媒反応性を有するワイヤもしくは合成繊維が、前記多孔質ビーズの糸通し孔に順次挿通されて、多孔質ビーズが面状に織り上げられたことを特徴とする光触媒体。 A porous bead formed by sintering glass powder is formed with a threading hole penetrating the bead and coated with titanium oxide serving as a photocatalyst,
A photocatalyst comprising a porous bead woven into a planar shape by sequentially inserting a wire or synthetic fiber having photocatalytic resistance into the threading hole of the porous bead.
The photocatalyst body according to claim 1 or 2, wherein the synthetic fiber is one of glass fiber, carbon fiber, fluorocarbon fiber, and fluorine-based fiber.
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JP2013182694A JP2015047590A (en) | 2013-09-04 | 2013-09-04 | Photocatalyst |
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JP2013182694A JP2015047590A (en) | 2013-09-04 | 2013-09-04 | Photocatalyst |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH115034A (en) * | 1997-04-24 | 1999-01-12 | Touken Sangyo:Kk | Titanium dioxide compact for photocatalyst and its assembled and arranged body |
JP3062311U (en) * | 1999-03-19 | 1999-10-08 | 有限会社 盛田染料薬品 | Titanium dioxide coating holding device |
JP2000024514A (en) * | 1998-07-10 | 2000-01-25 | Tadahide Iwashita | Catalyst for decomposing organic substance and its production |
JP2004050174A (en) * | 2003-06-30 | 2004-02-19 | Toyoda Gosei Co Ltd | Water cleaning apparatus |
-
2013
- 2013-09-04 JP JP2013182694A patent/JP2015047590A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH115034A (en) * | 1997-04-24 | 1999-01-12 | Touken Sangyo:Kk | Titanium dioxide compact for photocatalyst and its assembled and arranged body |
JP2000024514A (en) * | 1998-07-10 | 2000-01-25 | Tadahide Iwashita | Catalyst for decomposing organic substance and its production |
JP3062311U (en) * | 1999-03-19 | 1999-10-08 | 有限会社 盛田染料薬品 | Titanium dioxide coating holding device |
JP2004050174A (en) * | 2003-06-30 | 2004-02-19 | Toyoda Gosei Co Ltd | Water cleaning apparatus |
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