JP4119963B2 - Deodorant manufacturing method - Google Patents

Deodorant manufacturing method Download PDF

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Publication number
JP4119963B2
JP4119963B2 JP2002259298A JP2002259298A JP4119963B2 JP 4119963 B2 JP4119963 B2 JP 4119963B2 JP 2002259298 A JP2002259298 A JP 2002259298A JP 2002259298 A JP2002259298 A JP 2002259298A JP 4119963 B2 JP4119963 B2 JP 4119963B2
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Japan
Prior art keywords
deodorant
alcohol
water
titanium
silicon tetrachloride
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JP2002259298A
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Japanese (ja)
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JP2004097254A (en
Inventor
美佐 志村
親男 金澤
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YOO CORPORATION
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YOO CORPORATION
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Description

【0001】
【発明の属する技術分野】
本発明は、消臭剤の製造方法に関するものである。
【0002】
【従来の技術】
消臭剤としては従来から各種のものが提供されているが、最近では酸化チタンが各方面から注目されている(例えば、特許文献1、特許文献2、特許文献3参照)。酸化チタンは光触媒作用で消臭を行なうものであり、消臭の持続性が高いなどの優れた特性を有している。
【0003】
【特許文献1】
特開平9−164188号公報
【特許文献2】
特開平9−227809号公報
【特許文献3】
特開平10−195340号公報
【0004】
【発明が解決しようとする課題】
ここで、酸化チタンは水や溶媒に不溶性であり、基材の表面に酸化チタンを消臭成分として含有する被膜を形成して消臭剤として使用するためには、酸化チタンをシリコン系バインダーや各種の有機バインダーなど、バインダーに混合した状態で基材に塗布する必要がある。しかし、酸化チタンは光触媒作用で生起される酸化力で消臭をするものであるため、この酸化力によってバインダーが分解されて損傷され、酸化チタンを含有する被膜を長期に亘って基材の表面に形成しておくことが難しいという問題があった。
【0005】
また、酸化チタンは光(特に紫外線)が照射されることによって光触媒作用を発揮するものであり、光が入らない暗室などの室内では消臭効果を発揮させることができないという問題がある。そこで、光が入り難い室内で酸化チタンを使用する場合には、銀や銅などの金属を併用することが行なわれているが、この場合にはこれらの金属による環境問題や人体への影響が懸念されている。
【0006】
本発明は上記の点に鑑みてなされたものであり、水や溶媒に容易に溶解し、バインダーを用いる必要なく被膜を形成して使用することができ、しかも光(紫外線)の照射の必要なく消臭効果を発揮する消臭剤の製造方法を提供することを目的とするものである。
【0007】
【課題を解決するための手段】
本発明に係る消臭剤の製造方法は、四塩化ケイ素を水とアルコールのうち少なくとも一方と反応させた後、これにさらに四塩化チタンを反応させることにより、得られた生成物を消臭有効成分として上記の水とアルコールのうち少なくとも一方に溶解した液状消臭剤を得ることを特徴とするものである。
【0009】
【発明の実施の形態】
以下、本発明の実施の形態を説明する。
【0010】
本発明に係る消臭剤は、ケイ酸チタニウム系化合物を消臭有効成分とし、ケイ酸チタニウムが水とアルコールの少なくとも一方に溶解した液状消臭剤であり、四塩化ケイ素(SiCl)と四塩化チタン(TiCl)を主原料として製造することができる。
【0011】
すなわち、まず四塩化ケイ素を水もしくはアルコール、あるいは水とアルコールの混合溶液と反応させる。アルコールとしては炭素数1〜4の脂肪族アルコールを用いるのが好ましく、なかでもイソプロピルアルコールが最も好ましい。水とアルコールの混合溶液を用いる場合、混合比率は特に制限されないが、体積比で、水30〜70%、アルコール70%〜30%の範囲が好ましく、より好ましくは水40〜60%、アルコール60%〜40%の範囲である。
【0012】
水もしくはアルコールあるいはその混合溶液に対する四塩化ケイ素の添加量は、体積比で、水もしくはアルコールあるいはその混合溶液100部に対して、四塩化ケイ素0.01〜30部の範囲が好ましい。四塩化ケイ素の量が0.01部未満であると、得られた消臭剤は活性が低く、十分な消臭効果を得ることができない。また四塩化ケイ素の量が30部を超えると、得られた消臭剤は白濁状態になり、消臭剤を塗布して形成される塗膜の製膜状態が悪くなって、剥離し易くなる。
【0013】
水もしくはアルコールあるいはその混合溶液に四塩化ケイ素を添加して反応させる際の、雰囲気の相対湿度は10〜80%、特に20〜60%であることが望ましい。相対湿度が80%を超えると、四塩化ケイ素の黄色粉末が生じてその粒径が大きくなり、得られた消臭剤の消臭活性が低下する傾向がある。また相対湿度が10%未満であると、四塩化ケイ素の白色粉末が生じ、得られた消臭剤を塗布した塗膜の硬度が低くなり、塗膜の持続性に問題が生じるおそれがある。
【0014】
上記の反応は室温で行なうことができるものであり、水もしくはアルコール、あるいは水とアルコールの混合溶液に四塩化ケイ素を添加すると直ちに反応が生じ、溶液のpHは約1になる。
【0015】
次に、このようにして得られた反応溶液に四塩化チタンを添加して反応させる。四塩化チタンの添加量は、体積比で、上記の反応溶液100部に対して8〜100部の範囲が好ましい。四塩化チタンの量が8部未満であると、得られた消臭剤は活性が低く、十分な消臭効果を得ることができない。また四塩化チタンの量が多過ぎると、得られた消臭剤を塗布して形成される塗膜の製膜状態が悪くなって、剥離し易くなるので、100部以下が好ましく、50部以下がより好ましい。
【0016】
このように上記反応溶液に四塩化チタンを添加すると、室温で直ちに反応が生じ、ケイ酸チタニウム系化合物が生成し、ケイ酸チタニウム系化合物の水溶液もしくはアルコール溶液、あるいは水とアルコールの混合溶媒にケイ酸チタニウム系化合物が溶解した溶液として消臭剤を得ることができる。生成されたケイ酸チタニウム系化合物は、分析結果によれば、TiO・SiOの化学組成を有する化合物であると推測される。
【0017】
そしてこのように得られたケイ酸チタニウム系化合物溶液は、水またはエタノール等の炭素数1〜4のアルコール、あるいは水とこのアルコールの混合溶液で任意に希釈することができるものであり、水もしくはアルコールあるいはその混合溶液で10〜500倍に希釈して、消臭剤として使用することができるものである。この消臭剤は例えば使用対象品にスプレーしたり、あるいは消臭剤に使用対象品を浸漬して乾燥したりすることよって、ケイ酸チタニウム系化合物の被膜を使用対象品の表面に形成することができるものである。また、反応終了後のケイ酸チタニウム系化合物溶液のpHは3〜4であるが、アンモニアなどを加えてpHを6〜7に調整しても、消臭効果は変わらないので、消臭剤の使用対象品に応じて酸性の状態であるいは中性の状態で使用することができるものである。
【0018】
例えば、家屋内の壁面や天井面などに本発明に係る消臭剤をスプレーすることによって、消臭剤で家屋内の消臭を行なうことができ、室内のホルムアルデヒドなどを濃度を低減することができるものである。また壁紙や壁クロスなど装飾用シートに本発明に係る消臭剤をスプレーあるいは含浸しておき、この装飾用シートを家屋内の壁面や天井面などに貼ることによっても、同様に家屋内の消臭を行なうことができるものである。勿論、本発明の消臭剤は各種の方法で使用することができるものであり、使用方法は制限されるものではない。
【0019】
ここで、本発明に係るケイ酸チタニウム系化合物を有効成分とする消臭剤は、水やアルコールなどの溶媒に溶解することができ、バインダーを用いる必要なく塗布して使用することができるものである。しかも光(特に紫外線)が照射されなくても消臭効果を発揮するものであり、家屋の室内など光が入り難いスペースでも、有効に消臭することができるものである。
【0020】
また、本発明に係るケイ酸チタニウム系化合物を有効成分とする消臭剤は、単独で用いる他、即効消臭性を有する他の消臭剤と混合して用いることもできる。本発明に係る消臭剤は消臭性能が長期間に亘って持続するが、このように即効消臭性を有する他の消臭剤と混合することによって、即効性と持続性を持ち合わせた消臭剤として使用することができるものである。即効消臭性を有する他の消臭剤としては市販の任意のものを用いることができる
【0021】
【実施例】
次に、本発明を実施例によって具体的に説明する。
【0022】
(実施例)
精製水100mlとイソプロピルアルコール100mlの混合溶液に四塩化ケイ素を30g添加し、室温で反応させた。次にこの反応溶液に四塩化チタンを50g添加し、室温で反応させた。そしてこのようにして得られた反応溶液を精製水で10倍に希釈して、消臭剤として調製した。
【0023】
上記のようにして得た消臭剤を用いて新築一戸建て建売住宅D号邸(大阪市此花区酉島、三階建て延べ床面積110m)の室内を消臭施工した。すなわち、この家屋の「一階和室」、「一階洗面所」、「二階リビング・キッチン」、「三階A洋間」、「三階B洋間」、「三階C洋間」の各室内の壁面、天井面、床面にそれぞれ消臭剤を25cc/mの塗布量でスプレーして消臭施工を行なった。
【0024】
そして、各室内の消臭施工直前のホルムアルデヒド濃度を測定した。また消臭施工の24時間後(全窓を開放して5分間換気した後、密閉してから1時間30分後)、25時間後(全窓を開放して5分間換気した後、密閉してから2時間30分後)、48時間後(全窓を開放して5分間換気した後、密閉してから1時間30分後)に各室内のホルムアルデヒド濃度を測定した。さらに比較のために、ほぼ同じ構造の新築一戸建て建売住宅C号邸の「一階洋間」について、消臭剤をスプレーせず消臭施工を行なわないで、上記と同じ時間帯にアルデヒド濃度の測定行なった。結果を表1に示す。
【0025】
【表1】

Figure 0004119963
【0026】
表1にみられるように、本発明に係る消臭剤をスプレーして消臭した室内は、24時間後にホルムアルデヒドが殆ど消失し、48時間後には完全に消失しているのに対して、消臭剤をスプレーしていない室内のホルムアルデヒド濃度に有意な変化はみられず、本発明に係る消臭剤の消臭性能の高さが確認された。また、上記の消臭施工を行なった建売住宅D号邸は照明器具が未設置であって室内は暗く、光(紫外線)の照射が不十分であるが、上記のように高い消臭効果がみられるので、本発明に係る消臭剤は光(紫外線)を照射する必要なく消臭性能を発揮することが確認される。
【0027】
【発明の効果】
上記のように本発明は、四塩化ケイ素を水とアルコールのうち少なくとも一方と反応させた後、これにさらに四塩化チタンを反応させることにより、得られた生成物を消臭有効成分として上記の水とアルコールのうち少なくとも一方に溶解した液状消臭剤を得ることを特徴とするものであり、バインダーを用いる必要なく被膜を形成して使用することができるものである。しかも光(紫外線)が照射されなくても消臭効果を発揮し、家屋の室内など光(紫外線)が入り難いスペースでも、有効に消臭することができるものである。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a manufacturing method of the deodorant.
[0002]
[Prior art]
Various deodorizers have been conventionally provided, but recently, titanium oxide has attracted attention from various directions (for example, see Patent Document 1, Patent Document 2, and Patent Document 3). Titanium oxide deodorizes by photocatalysis, and has excellent characteristics such as high deodorization persistence.
[0003]
[Patent Document 1]
JP-A-9-164188 [Patent Document 2]
JP-A-9-227809 [Patent Document 3]
JP-A-10-195340
[Problems to be solved by the invention]
Here, titanium oxide is insoluble in water and solvents, and in order to form a film containing titanium oxide as a deodorizing component on the surface of the substrate and use it as a deodorant, titanium oxide is used as a silicon-based binder or It is necessary to apply to a substrate in a state of being mixed with a binder such as various organic binders. However, since titanium oxide is deodorized by the oxidizing power generated by the photocatalytic action, the binder is decomposed and damaged by this oxidizing power, and the coating containing titanium oxide is applied to the surface of the substrate over a long period of time. There was a problem that it was difficult to form.
[0005]
In addition, titanium oxide exhibits a photocatalytic action when irradiated with light (particularly ultraviolet rays), and has a problem that it cannot exhibit a deodorizing effect in a room such as a dark room where light does not enter. Therefore, when titanium oxide is used in a room where it is difficult for light to enter, metals such as silver and copper are used in combination. In this case, environmental problems and effects on the human body due to these metals are used. There are concerns.
[0006]
The present invention has been made in view of the above points, and is easily dissolved in water or a solvent, can be used by forming a film without using a binder, and does not need to be irradiated with light (ultraviolet rays). It aims at providing the manufacturing method of the deodorizer which exhibits the deodorizing effect.
[0007]
[Means for Solving the Problems]
The method for producing a deodorant according to the present invention is a method in which silicon tetrachloride is reacted with at least one of water and alcohol and then further reacted with titanium tetrachloride, thereby deodorizing the obtained product. is to shall and characterized in that obtaining a liquid deodorant dissolved in at least one of said water and alcohol as a component.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below.
[0010]
The deodorant according to the present invention is a liquid deodorant comprising a titanium silicate compound as an active deodorant and titanium silicate dissolved in at least one of water and alcohol, and includes silicon tetrachloride (SiCl 4 ) and four Titanium chloride (TiCl 4 ) can be produced as a main raw material.
[0011]
That is, first, silicon tetrachloride is reacted with water or alcohol or a mixed solution of water and alcohol. As the alcohol, an aliphatic alcohol having 1 to 4 carbon atoms is preferably used, and isopropyl alcohol is most preferable. When a mixed solution of water and alcohol is used, the mixing ratio is not particularly limited, but is preferably in the range of 30 to 70% water and 70% to 30% alcohol, more preferably 40 to 60% water and 60% alcohol by volume ratio. % To 40%.
[0012]
The amount of silicon tetrachloride added to water or alcohol or a mixed solution thereof is preferably in the range of 0.01 to 30 parts of silicon tetrachloride with respect to 100 parts of water or alcohol or mixed solution thereof in volume ratio. When the amount of silicon tetrachloride is less than 0.01 part, the obtained deodorant has low activity, and a sufficient deodorizing effect cannot be obtained. Further, when the amount of silicon tetrachloride exceeds 30 parts, the obtained deodorant becomes cloudy, and the film-forming state of the coating film formed by applying the deodorant is deteriorated and easily peeled off. .
[0013]
It is desirable that the relative humidity of the atmosphere when adding silicon tetrachloride to water, alcohol, or a mixed solution thereof to react is 10 to 80%, particularly 20 to 60%. When the relative humidity exceeds 80%, a yellow powder of silicon tetrachloride is generated, the particle size thereof is increased, and the deodorant activity of the obtained deodorant tends to be reduced. On the other hand, when the relative humidity is less than 10%, white powder of silicon tetrachloride is produced, and the hardness of the obtained coating film to which the deodorant is applied is lowered, which may cause a problem in the durability of the coating film.
[0014]
The above reaction can be performed at room temperature. When silicon tetrachloride is added to water or alcohol, or a mixed solution of water and alcohol, the reaction immediately occurs, and the pH of the solution becomes about 1.
[0015]
Next, titanium tetrachloride is added to the reaction solution thus obtained and reacted. The amount of titanium tetrachloride added is preferably in the range of 8 to 100 parts by volume with respect to 100 parts of the reaction solution. When the amount of titanium tetrachloride is less than 8 parts, the obtained deodorant has low activity, and a sufficient deodorizing effect cannot be obtained. Moreover, when there is too much quantity of titanium tetrachloride, since the film forming state of the coating film formed by apply | coating the obtained deodorizer will worsen and it will become easy to peel, 100 parts or less are preferable and 50 parts or less Is more preferable.
[0016]
When titanium tetrachloride is added to the above reaction solution in this way, a reaction immediately occurs at room temperature, and a titanium silicate compound is formed, and an aqueous solution or an alcohol solution of the titanium silicate compound or a mixed solvent of water and alcohol is used. The deodorant can be obtained as a solution in which the titanium acid compound is dissolved. The generated titanium silicate compound is presumed to be a compound having a chemical composition of TiO 2 · SiO 2 according to the analysis result.
[0017]
The titanium silicate-based compound solution thus obtained can be arbitrarily diluted with water or an alcohol having 1 to 4 carbon atoms such as ethanol, or a mixed solution of water and this alcohol. It can be diluted 10 to 500 times with alcohol or a mixed solution thereof and used as a deodorant. This deodorant is formed on the surface of the product to be used by spraying the product to be used or by immersing the product to be used in the deodorant and drying the product. It is something that can be done. Moreover, although the pH of the titanium silicate compound solution after completion of the reaction is 3 to 4, the deodorizing effect does not change even if the pH is adjusted to 6 to 7 by adding ammonia or the like. Depending on the product to be used, it can be used in an acidic state or in a neutral state.
[0018]
For example, by spraying the deodorant according to the present invention on the wall surface or ceiling surface of the house, it is possible to deodorize the house with the deodorant and to reduce the concentration of formaldehyde in the room. It can be done. In addition, the interior of the house can be similarly erased by spraying or impregnating the deodorant according to the present invention on a decorative sheet such as wallpaper or wall cloth and pasting the decorative sheet on the wall or ceiling of the house. It can do odor. Of course, the deodorant of this invention can be used by various methods, and the usage method is not restrict | limited.
[0019]
Here, the deodorant containing the titanium silicate compound according to the present invention as an active ingredient can be dissolved in a solvent such as water or alcohol, and can be applied and used without using a binder. is there. Moreover, even if it is not irradiated with light (especially ultraviolet rays), it exhibits a deodorizing effect, and it can effectively deodorize even in a space where light is difficult to enter, such as in a house.
[0020]
Moreover, the deodorizer which uses the titanium silicate type compound which concerns on this invention as an active ingredient can also be used in mixture with the other deodorizer which has immediate effect deodorizing property besides using it independently. The deodorant according to the present invention has a deodorant performance that lasts for a long period of time, but by mixing with other deodorants having an immediate effect and deodorant in this way, the deodorant having immediate effect and sustainability is obtained. It can be used as an odorant. Commercially available arbitrary deodorants can be used as other deodorants having immediate deodorant properties .
[0021]
【Example】
Next, the present invention will be specifically described with reference to examples.
[0022]
(Example)
30 g of silicon tetrachloride was added to a mixed solution of 100 ml of purified water and 100 ml of isopropyl alcohol, and reacted at room temperature. Next, 50 g of titanium tetrachloride was added to the reaction solution and reacted at room temperature. The reaction solution thus obtained was diluted 10 times with purified water to prepare a deodorant.
[0023]
Using the deodorant obtained as described above, the interior of the newly built detached house D (House Island, Konohana-ku, Osaka, three-story total floor area 110 m 2 ) was deodorized. In other words, the walls of the rooms in the “First-floor Japanese-style room”, “First-floor washroom”, “Second-floor living / kitchen”, “Third-floor A Western-style”, “Third-floor B-Western”, and “Third-floor C-Western” room The deodorant was sprayed on the ceiling surface and the floor surface at a coating amount of 25 cc / m 2 to perform the deodorization work.
[0024]
And the formaldehyde density | concentration immediately before deodorizing construction in each room was measured. In addition, 24 hours after the deodorization work (after opening all windows and ventilating for 5 minutes and then sealing, 1 hour and 30 minutes), 25 hours later (opening all windows and ventilating for 5 minutes and then sealing) 2 hours and 30 minutes later) and 48 hours later (all windows were opened and ventilated for 5 minutes and then sealed and 1 hour and 30 minutes later), the formaldehyde concentration in each room was measured. For further comparison, the aldehyde concentration was measured at the same time zone as above without spraying the deodorant on the “First Floor Western Space” of the newly-built detached house C, which has almost the same structure. I did it. The results are shown in Table 1.
[0025]
[Table 1]
Figure 0004119963
[0026]
As seen in Table 1, in the room where the deodorant according to the present invention was sprayed and deodorized, formaldehyde almost disappeared after 24 hours and disappeared completely after 48 hours. There was no significant change in the formaldehyde concentration in the room where the odorant was not sprayed, and the deodorant performance of the deodorant according to the present invention was confirmed to be high. In addition, the building house D where the above deodorization construction is performed has no lighting equipment, the room is dark, and the light (ultraviolet) irradiation is insufficient, but the high deodorization effect is as described above. Therefore, it is confirmed that the deodorizer according to the present invention exhibits the deodorizing performance without the need to irradiate light (ultraviolet rays).
[0027]
【The invention's effect】
As described above, in the present invention , after reacting silicon tetrachloride with at least one of water and alcohol, this is further reacted with titanium tetrachloride, whereby the obtained product is used as the deodorant active ingredient. It is characterized by obtaining a liquid deodorant dissolved in at least one of water and alcohol, and can be used by forming a film without using a binder. In addition, it exhibits a deodorizing effect even when it is not irradiated with light (ultraviolet rays), and can effectively deodorize even in a space where light (ultraviolet rays) is difficult to enter, such as in a house.

Claims (1)

四塩化ケイ素を水とアルコールのうち少なくとも一方と反応させた後、これにさらに四塩化チタンを反応させることにより、得られた生成物を消臭有効成分として上記の水とアルコールのうち少なくとも一方に溶解した液状消臭剤を得ることを特徴とする消臭剤の製造方法。After reacting silicon tetrachloride with at least one of water and alcohol, this is further reacted with titanium tetrachloride, whereby the resulting product is used as a deodorizing active ingredient in at least one of the above water and alcohol. A method for producing a deodorant, comprising obtaining a dissolved liquid deodorant.
JP2002259298A 2002-09-04 2002-09-04 Deodorant manufacturing method Expired - Lifetime JP4119963B2 (en)

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JP2006052209A (en) * 2004-07-12 2006-02-23 Fumito Kumagai Fungicide, antimicrobial agent and deodorizing agent and fungicidal, antimicrobial and deodorizing method
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