JP2783339B2 - Anti-bacterial container - Google Patents
Anti-bacterial containerInfo
- Publication number
- JP2783339B2 JP2783339B2 JP3349627A JP34962791A JP2783339B2 JP 2783339 B2 JP2783339 B2 JP 2783339B2 JP 3349627 A JP3349627 A JP 3349627A JP 34962791 A JP34962791 A JP 34962791A JP 2783339 B2 JP2783339 B2 JP 2783339B2
- Authority
- JP
- Japan
- Prior art keywords
- titanium oxide
- oxide film
- container
- coated
- film
- 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.)
- Expired - Lifetime
Links
Description
【０００１】[0001]
【産業上の利用分野】本発明は、水中の雑菌の繁殖を防
止する容器に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a container for preventing the propagation of various bacteria in water.
【０００２】[0002]
【従来の技術】飲料水などを瓶などの容器にいれて保存
する場合、室温で長期間放置して置くと雑菌が繁殖し、
腐敗して飲めなくなってしまう。これを防ぐためには、
防腐剤を添加したり、煮沸などして消毒した後、密封し
たりすることが行なわれている（平凡社、大百科事典、
１１巻、ｐ．４７３、９巻、ｐ．５１４) 。しかし、前
者の方法は毒性や安全性の点で問題があり、後者の方法
は経済性などの点で問題がある。また、冷蔵庫に保管す
れば長期間保存できるが、大量の飲料水などを保存する
場合には、経済性などの点で問題がある。2. Description of the Related Art When drinking water is stored in a container such as a bottle when stored at room temperature for a long period of time, various bacteria grow,
It rots and cannot be drunk. To prevent this,
After adding a preservative or disinfecting by boiling, etc., sealing is performed (Heibonsha, Encyclopedia,
11, p. 473, 9, p. 514). However, the former method has problems in terms of toxicity and safety, and the latter method has problems in terms of economy and the like. In addition, if stored in a refrigerator, it can be stored for a long time. However, when storing a large amount of drinking water and the like, there is a problem in terms of economy and the like.
【０００３】[0003]
【発明が解決しようとする課題】本発明は上記の点に鑑
み、省エネルギー的で容易かつ安全に雑菌の繁殖を防止
できる経済的な防菌容器の提供を目的とするものであ
る。SUMMARY OF THE INVENTION In view of the foregoing, it is an object of the present invention to provide an economical antibacterial container which is energy-saving and can easily and safely prevent the propagation of various bacteria.
【０００４】[0004]
【課題を解決するための手段】この目的は本発明によれ
ば、ガラスまたはセラミックスからなる透明な容器の内
側に酸化チタン膜を被覆することによって達成される。
このとき、防菌効果を上げるために予め内側に透明な導
電性の皮膜を施した容器に酸化チタン膜を被覆してもよ
いし、あるいはその上にさらに白金膜を被覆してもよ
い。本発明による防菌容器に飲料水などを容れて置け
ば、太陽光や電灯などの光を受けて、酸化チタン膜に電
子や正孔が生成して酸化還元を行うため、その作用によ
り雑菌の繁殖を防止でき、室温で長期間の保存が可能で
ある。According to the present invention, this object is achieved by coating a transparent container made of glass or ceramic with a titanium oxide film.
At this time, in order to improve the antibacterial effect, a container provided with a transparent conductive film on the inside in advance may be coated with a titanium oxide film, or a platinum film may be further coated thereon. If drinking water or the like is placed in the antibacterial container according to the present invention and receives light such as sunlight or electric light, electrons and holes are generated and redoxed in the titanium oxide film. Propagation can be prevented and long-term storage at room temperature is possible.
【０００５】本発明に用いられる容器の材質は、必要な
強度を持っているガラスまたはセラミックスが挙げられ
る。また、本発明に用いられる容器の材質は、光が容器
外側から透過して入射できるように透明とされる。特
に、石英ガラスやバイコールガラス、パイレックスガラ
スなど、紫外線を通すものが好ましい。[0005] The material of the container used in the present invention, the necessary
Glass or ceramics having strength can be used. Further, the material of the container used in the present invention is transparent so that light can be transmitted from the outside of the container and enter. In particular, those that transmit ultraviolet light, such as quartz glass, Vycor glass, and Pyrex glass, are preferred.
【０００６】本発明に用いられる導電性の皮膜として
は、酸化錫やＩＴＯ（インジウム・錫酸化物）、酸化亜
鉛などの光をよく通す透明導電膜とされる。 As the conductive film used in the present invention,
Are tin oxide, ITO (indium tin oxide),
It is a transparent conductive film that allows light such as lead to pass through well.
【０００７】本発明に用いられる防菌容器の形状は、角
柱状、円柱状、球状、円錐状、瓢箪型、ラグビーボール
型など、どのような形であってもよい。また、基板が閉
じた形であっても、蓋があってもなくてもよく、円管状
や角管状であってもよい。[0007] The shape of the antibacterial container used in the present invention may be any shape such as a prism, a cylinder, a sphere, a cone, a gourd and a rugby ball. Further, the substrate may have a closed shape, may or may not have a lid, and may have a circular or square tube shape.
【０００８】本発明による用いられる防菌容器は、四塩
化チタンとアルコールとの反応によって得られるチタン
のアルコキシドなどからチタニアゾルを作り、ディップ
コーティング法やスピンコーティング法、塗布法、スプ
レー熱分解法などによって容器の内側にコートした後、
焼成して製作してもよいし、超微粒子の酸化チタンの懸
濁液をディップコーティング法やスピンコーティング
法、塗布法、スプレー法などによって容器の内側にコー
トした後、焼成して製作してもよい。その時の焼成温度
は５００℃程度が最も好ましい。また、チタン板をガス
炎などで加熱・酸化して作った酸化チタン板や、ディッ
プコーティング法やスプレー熱分解法、スピンコーティ
ング法、塗布法などによってチタニアゾルをコートした
後、焼成して作った酸化チタン膜を被覆した基板を組み
立て、接着して制作してもよい。[0008] The antibacterial container used in the present invention is prepared from titania sol from titanium alkoxide obtained by the reaction of titanium tetrachloride and alcohol, and is prepared by dip coating, spin coating, coating, spray pyrolysis, etc. After coating inside the container,
It may be manufactured by firing, or by coating the inside of the container with a suspension of ultrafine titanium oxide by dip coating method, spin coating method, coating method, spray method, etc., and then firing and manufacturing. Good. The firing temperature at that time is most preferably about 500 ° C. Also, a titanium oxide plate made by heating and oxidizing a titanium plate with a gas flame, etc., or a titania sol coated by dip coating method, spray pyrolysis method, spin coating method, coating method, etc. A substrate coated with a titanium film may be assembled and bonded to produce.
【０００９】本発明に用いられる容器に導電膜を被覆す
る方法としては、電解鍍金法やＣＶＤ法、ＰＶＤ法、ス
パッタリング法などが挙げられる。また、本発明に用い
られる酸化チタン膜を被覆した容器に白金膜を被覆する
方法としては、光電着法やＣＶＤ法、ＰＶＤ法、スパッ
タリング法などが挙げられる。As a method for coating the conductive film on the container used in the present invention, an electrolytic plating method, a CVD method, a PVD method, a sputtering method and the like can be mentioned. In addition, examples of a method for coating a container coated with a titanium oxide film used in the present invention with a platinum film include a photoelectric deposition method, a CVD method, a PVD method, and a sputtering method.
【００１０】こうして得られた防菌容器に飲料水などを
容れて置けば、太陽光や、電灯などの光を受けて、酸化
チタン膜に電子や正孔が生成して酸化還元を行うため、
その作用により雑菌の繁殖を防止でき、室温で長期間の
保存が可能である。If drinking water or the like is placed in the antibacterial container thus obtained, it receives sunlight or electric light to generate electrons and holes in the titanium oxide film to perform oxidation and reduction.
By its action, propagation of various bacteria can be prevented, and long-term storage at room temperature is possible.
【００１１】[0011]
【実施例】本発明の実施例の内で特に代表的なものを以
下に示す。DESCRIPTION OF THE PREFERRED EMBODIMENTS Among the embodiments of the present invention, particularly representative ones will be described below.
【００１２】実施例１ パイレックスガラス製の透明な瓶の内側にゾル−ゲル法
で酸化チタン膜を被覆した後、５００℃で一時間加熱し
て防菌容器を製作した。そして、その中に天然の清水を
容れ、室温で明るいところに１か月間放置しておいた。
その結果、酸化チタン膜を被覆していない、ただのパイ
レックスガラス製の瓶に容れておいた場合には水が白く
濁ってきて雑菌が繁殖していたが、防菌容器に容れた場
合には水は透明のままで雑菌もほとんど検出されなかっ
た。EXAMPLE 1 A transparent bottle made of Pyrex glass was coated with a titanium oxide film by a sol-gel method, and then heated at 500 ° C. for 1 hour to produce a sterile container. Then, natural clear water was contained therein, and left in a bright place at room temperature for one month.
As a result, if it was stored in a simple Pyrex glass bottle that did not cover the titanium oxide film, the water became white and turbid, and various bacteria grew. The water remained clear and almost no bacteria were detected.
【００１３】実施例２ 無色透明の石英ガラス製の容器の内側にゾル−ゲル法で
酸化チタン膜を被覆したものを２ｇ／１の塩化白金酸カ
リウムのエタノール水溶液に入れ、マグネチックスター
ラーで攪拌しながら、１００Ｗの水銀ランプの光を４時
間照射し、光電着法で酸化チタン膜の表面に白金をコー
トした。これに天然の清水を容れ、明るいところに１か
月間放置しておいた。その結果、水は透明のままで雑菌
もほとんど検出されなかった。Example 2 A colorless and transparent quartz glass container coated with a titanium oxide film by a sol-gel method was placed in a 2 g / 1 aqueous solution of potassium chloroplatinate in ethanol and stirred with a magnetic stirrer. While being irradiated with light from a 100 W mercury lamp for 4 hours, the surface of the titanium oxide film was coated with platinum by a photoelectric deposition method. This was filled with natural Shimizu and left in a bright place for one month. As a result, the water remained transparent and almost no bacteria were detected.
【００１４】実施例３ ＩＴＯの透明導電膜を施したバイコールガラス製の容器
にゾル−ゲル法で酸化チタン膜を被覆した後、４５０℃
で１時間半加熱して防菌容器を製作した。そして、その
中に天然の清水を容れ、室温で明るいところに１か月間
放置しておいた。その結果、酸化チタン膜を被覆してい
ないただのバイコールガラス製の瓶に容れておいた場合
には水が白く濁ってきて雑菌が繁殖していたが、防菌容
器に容れた場合には水は透明のままで雑菌もほとんど検
出されなかった。Example 3 A titanium oxide film was coated by a sol-gel method on a container made of Vycor glass on which a transparent conductive film of ITO was applied.
For one and a half hours to produce a sterile container. Then, natural clear water was contained therein, and left in a bright place at room temperature for one month. As a result, the water became white and turbid and germs grew when stored in a simple Vycor glass bottle not coated with a titanium oxide film. Remained transparent and almost no bacteria were detected.
【００１５】実施例４ ＩＴＯの透明導電膜を施した硬質ガラス製の容器にゾル
−ゲル法で酸化チタン膜を被覆した後、その表面に白金
をコートし、防菌容器を製作した。そして、その中に天
然の清水を容れ、室温で明るいところに１か月間放置し
ておいた。その結果、酸化チタン膜を被覆していないた
だの硬質ガラス製の瓶に容れておいた場合には水が白く
濁ってきて雑菌が繁殖していたが、防菌容器に容れた場
合には水は透明のままで雑菌もほとんど検出されなかっ
た。Example 4 A titanium oxide film was coated on a hard glass container provided with a transparent conductive film of ITO by a sol-gel method, and then the surface was coated with platinum to produce a sterilization container. Then, natural clear water was contained therein, and left in a bright place at room temperature for one month. As a result, the water became white and turbid and germs grew when it was stored in a mere hard glass bottle not coated with a titanium oxide film. Remained transparent and almost no bacteria were detected.
【００１６】[0016]
【発明の効果】本発明は以上説明したように、省エネル
ギー的で容易かつ安全に雑菌の繁殖を防止できる経済的
な防菌容器の提供を目的とするものである。本発明によ
る防菌容器は内側に酸化チタン膜を被覆したもので、防
菌効果を上げるために予め内側に導電性の皮膜を施した
容器に酸化チタン膜を被覆したり、あるいはその上にさ
らに白金膜を被覆したものもある。本容器に飲料水など
を容れて明るい所に置いておくだけで、容器が太陽光や
電灯などの光を受け、酸化チタン膜に電子や正孔が生成
して酸化還元を行うため、その作用により雑菌の繁殖を
防止できる。酸化チタンは、塗料や化粧品、歯磨き粉な
どにも使われている無毒で安全で耐久性のある物質であ
るため、飲料水などを室温で安全かつ経済的に長期間保
存できる。しかも、酸化チタン膜は光の干渉により、赤
や青、紫、緑など、美しい色を出すので、本発明による
防菌容器は飲料水の容器としてだけでなく、装飾用ある
いはオブジェとしても好適である。さらに、本発明によ
る防菌容器は金魚鉢や花瓶などにも用いることができ、
酸化チタン膜の酸化還元作用により水が活性化され、魚
や花を長生きさせることができる。As described above, an object of the present invention is to provide an economical antibacterial container which is energy-saving and can easily and safely prevent the propagation of various bacteria. The antibacterial container according to the present invention has a titanium oxide film coated on the inside, and in order to enhance the antibacterial effect, a container provided with a conductive film on the inside in advance is coated with a titanium oxide film, or further coated thereon. Some are coated with a platinum film. Simply store drinking water, etc. in this container and place it in a bright place, and the container receives light from sunlight or electric lights, etc., and electrons and holes are generated in the titanium oxide film to perform oxidation and reduction. Thereby, propagation of various bacteria can be prevented. Titanium oxide is a non-toxic, safe and durable substance that is also used in paints, cosmetics, toothpastes, and the like, and therefore can safely and economically store drinking water at room temperature for a long period of time. Moreover, the titanium oxide film emits beautiful colors, such as red, blue, purple, and green, due to light interference. Therefore, the antibacterial container according to the present invention is suitable not only as a container for drinking water but also as a decoration or an object. is there. Furthermore, the antibacterial container according to the present invention can be used for a fishbowl or a vase,
Water is activated by the oxidation-reduction action of the titanium oxide film, and fish and flowers can live longer.
【００１７】また、本発明においては、酸化チタン膜の
外側となる容器および導電性の皮膜を透明なものとして
光を透過しやすくしているため、容器内に容れられる内
容物が光を透過し難いものである等、容器内側から光が
酸化チタン膜に照射されない場合であっても、容器外側
から光が効率的に酸化チタン膜に照射されるので、酸化
チタン膜の酸化還元作用は効率的に内容物に作用させる
ことが可能となる。 In the present invention, the titanium oxide film
Transparent outer container and conductive film
Because light is transmitted easily,
Light may come from inside the container, such as when the container is hard to transmit light.
Even if the titanium oxide film is not irradiated,
Irradiates the titanium oxide film with light efficiently,
The oxidation-reduction action of the titanium film effectively acts on the contents
It becomes possible.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 堀内 達郎 名古屋市北区八代町２丁目109番地八代 寮101 (72)発明者 鈴木 高広 名古屋市瑞穂区北原町３丁目11番地三旺 マンション瑞穂北原102 (72)発明者 尾崎 利彦 愛知県西尾市熊味町南十五夜91 (72)発明者 加藤 薫一 愛知県小牧市大字岩崎400番地 株式会 社加藤機械製作所内 (72)発明者 横井 浩明 愛知県岩倉市八剱町野畑56番地 株式会 社アイワ内 審査官 溝渕 良一 (56)参考文献 特開 昭61−33936（ＪＰ，Ａ) 特開 昭62−208372（ＪＰ，Ａ) (58)調査した分野(Int.Cl.6，ＤＢ名) B65D 81/28────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Tatsuro Horiuchi 2-109, Yatsushiro-cho, Kita-ku, Nagoya-shi Yatsushiro dormitory 101 (72) Inventor Takahiro Suzuki 3-1-1, Kitahara-cho, Mizuho-ku, Nagoya-shi 102 Santo apartment Mizuho Kitahara 102 (72) Inventor Toshihiko Ozaki 91, 15th Minamigoyo, Kumami-cho, Nishio City, Aichi Prefecture (72) Inventor Kazuichi Kato 400 Owa Iwasaki, Komaki City, Aichi Prefecture Inside Kato Machinery Co., Ltd. (72) Inventor Hiroaki Yokoi Yatsugi, Iwakura City, Aichi Prefecture 56 Machinohata Ryoichi Mizobuchi Examiner, Aiwauchi Co., Ltd. (56) References JP-A-61-33936 (JP, A) JP-A-62-208372 (JP, A) (58) Fields investigated (Int. . 6, DB name) B65D 81/28
Claims (4)
な容器の内側に酸化チタン膜を被覆したものであって、
前記酸化チタン膜が光を受けて電子や正孔を生成し、酸
化還元を行うことにより雑菌の繁殖を防止することを特
徴とする防菌容器。1. A transparent container made of glass or ceramics coated with a titanium oxide film ,
The titanium oxide film receives light to generate electrons and holes,
An antibacterial container characterized by preventing the propagation of various bacteria by performing chemical reduction .
な容器の内側に透明な導電性の皮膜を施し、さらにその
上に酸化チタン膜を被覆したものであって、前記酸化チ
タン膜が光を受けて電子や正孔を生成し、酸化還元を行
うことにより雑菌の繁殖を防止することを特徴とする防
菌容器。2. A transparent container made of glass or ceramics , wherein a transparent conductive film is provided on the inside, and a titanium oxide film is further coated thereon.
The titanium film receives light to generate electrons and holes, and performs redox.
A germicidal container characterized by preventing the propagation of various bacteria by removing the germs .
な容器の内側に酸化チタン膜を被覆し、その上にさらに
白金膜を被覆したものであって、前記酸化チタン膜が光
を受けて電子や正孔を生成し、酸化還元を行うことによ
り雑菌の繁殖を防止することを特徴とする防菌容器。3. A transparent container made of glass or ceramics , wherein a titanium oxide film is coated on the inside, and a platinum film is further coated on the titanium oxide film.
To generate electrons and holes, which undergo oxidation and reduction.
An antibacterial container characterized by preventing propagation of various bacteria .
な容器の内側に透明な導電性の皮膜を施し、その上に酸
化チタン膜を被覆し、その上にさらに白金膜を被覆した
ものであって、前記酸化チタン膜が光を受けて電子や正
孔を生成し、酸化還元を行うことにより雑菌の繁殖を防
止することを特徴とする防菌容器。4. A transparent conductive film is formed inside a transparent container made of glass or ceramic , a titanium oxide film is coated thereon, and a platinum film is further coated thereon.
Wherein the titanium oxide film receives light,
Creates pores and prevents oxidation of various bacteria by redox
A sterilization container characterized by being stopped .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3349627A JP2783339B2 (en) | 1991-12-06 | 1991-12-06 | Anti-bacterial container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3349627A JP2783339B2 (en) | 1991-12-06 | 1991-12-06 | Anti-bacterial container |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05162777A JPH05162777A (en) | 1993-06-29 |
| JP2783339B2 true JP2783339B2 (en) | 1998-08-06 |
Family
ID=18405018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3349627A Expired - Lifetime JP2783339B2 (en) | 1991-12-06 | 1991-12-06 | Anti-bacterial container |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2783339B2 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58160271A (en) * | 1982-03-19 | 1983-09-22 | コンパニ−・フランセ−ズ・ド・ラフイナ−ジユ | Vessel with multilayer wall |
| JPS6133936A (en) * | 1984-07-13 | 1986-02-18 | 東洋インキ製造株式会社 | Inner-surface plastic vessel |
| JPS62208372A (en) * | 1986-03-03 | 1987-09-12 | 田中 友爾 | Bactericidal plastic molded shape |
-
1991
- 1991-12-06 JP JP3349627A patent/JP2783339B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05162777A (en) | 1993-06-29 |
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