JPH11106697A - Antimold paint - Google Patents
Antimold paintInfo
- Publication number
- JPH11106697A JPH11106697A JP28604797A JP28604797A JPH11106697A JP H11106697 A JPH11106697 A JP H11106697A JP 28604797 A JP28604797 A JP 28604797A JP 28604797 A JP28604797 A JP 28604797A JP H11106697 A JPH11106697 A JP H11106697A
- Authority
- JP
- Japan
- Prior art keywords
- acid
- solvent
- paint
- antifungal
- chitosan
- 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.)
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Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、浴室，厨房，押
入，洗濯場，便所などの天井や壁及び床、壁紙や絨毯の
裏面、換気ダクトやダスタシュートの内壁及び周辺部、
地下室，天井裏，収納庫の内部、下水パイプの内壁や下
水処理場などに使用する防黴塗料に関するものである。BACKGROUND OF THE INVENTION The present invention relates to ceilings, walls and floors of bathrooms, kitchens, closets, laundries, toilets, etc., backside of wallpapers and carpets, inner walls and peripherals of ventilation ducts and dust chute,
The present invention relates to an antifungal paint used for a basement, an underside of a ceiling, an inside of a storage, an inner wall of a sewage pipe, a sewage treatment plant, and the like.
【０００２】[0002]
【従来の技術】従来の防黴剤は、銅，銀，亜鉛，錫など
の有機金属塩を使用している。この有機金属塩の防黴効
果を長期間持続させるため、有機金属塩をゴムや樹脂及
び塗料などに混入させることが一般的に行われている。2. Description of the Related Art Conventional fungicides use organic metal salts such as copper, silver, zinc, and tin. In order to maintain the fungicidal effect of the organic metal salt for a long period of time, it is common practice to mix the organic metal salt into rubber, resin, paint and the like.
【０００３】[0003]
【発明が解決しようとする課題】ところが、以上の有機
金属塩は毒性が強く、人体や周辺環境に及ぼす影響が大
きいので、その配合比率が法的に規制されている。ま
た、コストの点からも配合比率を少なくするのが通常で
ある。このため、有機金属塩をゴムや樹脂及び塗料など
に混入して使用するとき、その防黴効果を発揮させる面
での有効有機金属塩の量が小さくなって、十分な防黴効
果を得ることができない。However, the above organometallic salts are highly toxic and have a great effect on the human body and the surrounding environment. Therefore, the mixing ratio is regulated legally. In addition, the mixing ratio is usually reduced from the viewpoint of cost. For this reason, when the organic metal salt is mixed with rubber, resin, paint, or the like, the amount of the effective organic metal salt in terms of exhibiting the fungicide effect is reduced, and a sufficient fungicide effect is obtained. Can not.
【０００４】そこで、本発明は、人体や周辺環境への安
全性が高く、また長期にわたって確実かつ良好な防黴効
果を発揮することができ、しかも安定性と保存性に優れ
た防黴塗料を提供することを目的とする。Accordingly, the present invention provides an antifungal paint which has high safety to the human body and the surrounding environment, can exhibit a reliable and good antifungal effect over a long period of time, and is excellent in stability and storage stability. The purpose is to provide.
【０００５】[0005]
【課題を解決するための手段】上記目的を達成するた
め、請求項１に記載した第１発明の防黴塗料は、キトサ
ン（β−ポリ−Ｄ−グルコサミン）と、これを水溶性化
する溶剤及び安定剤を主成分として調製している。In order to achieve the above object, the antifungal paint according to the first aspect of the present invention comprises a chitosan (β-poly-D-glucosamine) and a solvent for making it soluble. And a stabilizer as a main component.
【０００６】上記キトサンを溶剤で溶解して水溶性とす
ることにより、防黴塗料としての有益な使用が可能とな
る。つまり、キトサンは、健康食品や食品添加物などと
して広く用いられているように、安全性の高いものであ
る。また、キトサンがもつアミノ基は黴や菌の細胞壁に
結合して、これらの成育を阻害するので、防黴及び抗菌
性に優れている。そして、安定剤を添加することによ
り、防黴塗料としたときの安定性や保存性が高められ
る。換言すれば、この安定剤を加えることにより、防黴
塗料の商品化が可能となる。以上のことから、一般家庭
やその周辺での安全な使用が行え、また施工作業者等に
も悪影響を及ぼすことなく、防黴効果を発揮でき、しか
も安定性と保存性に優れた防黴塗料となる。また、溶剤
に溶解したキトサンは、塗料のバインダとしての展色機
能を発揮するので、施工作業性も良好となる。その上、
安全性を損なうことなく、キトサンの配合比率を高める
ことができるので、確実かつ良好な防黴効果を長期間に
わたって発揮させることが可能となる。このため、黴や
菌による２次的な被害が抑制される。つまり、黴や菌は
亜硫酸ガスなどの２次物質を生成し、これがコンクリー
ト施設などを溶解して、強度の低下や破壊を招いていた
のに対し、黴や菌の発生を長期にわたって抑制すること
により、コンクリート施設などの耐久性が高められる。[0006] By dissolving the chitosan in a solvent to make it water-soluble, it can be usefully used as an antifungal coating. That is, chitosan is highly safe as widely used as health foods and food additives. In addition, the amino group of chitosan binds to the cell walls of molds and fungi and inhibits the growth of these, and thus is excellent in fungicide and antibacterial properties. By adding a stabilizer, stability and storage stability of the antifungal paint can be improved. In other words, the addition of this stabilizer makes it possible to commercialize an antifungal paint. From the above, the antifungal paint which can be used safely in ordinary households and its surroundings, can exert a fungicide effect without adversely affecting construction workers, and has excellent stability and storage stability. Becomes In addition, the chitosan dissolved in the solvent exhibits a color-developing function as a binder for the paint, so that the workability in construction is improved. Moreover,
Since the compounding ratio of chitosan can be increased without impairing safety, it is possible to exert a reliable and good antifungal effect over a long period of time. For this reason, secondary damage by molds and fungi is suppressed. In other words, molds and fungi produce secondary substances such as sulfurous acid gas, which dissolve concrete facilities, etc., leading to reduced strength and destruction. Thereby, the durability of a concrete facility or the like is improved.
【０００７】請求項２に記載した第２発明の防黴塗料
は、キトサンと、これを水溶性化する溶剤と、安定剤及
び界面活性剤を主成分として調製している。The antifungal coating according to the second aspect of the present invention is prepared by using chitosan, a solvent for making the same water-soluble, a stabilizer and a surfactant as main components.
【０００８】上記第２発明では、防黴塗料としたときの
施工作業性を高めるために、界面活性剤を別に添加して
いる。この界面活性剤を添加することにより、安全性が
高くて防黴及び抗菌性に優れ、しかも安定性及び保存性
があって、施工作業性に優れた良好な防黴塗料が得られ
る。[0008] In the second aspect of the present invention, a surfactant is separately added in order to enhance workability when the antifungal paint is used. By adding this surfactant, it is possible to obtain a good antifungal paint having high safety, excellent antifungal properties and antibacterial properties, and also having good stability and preservability and excellent workability.
【０００９】各発明の好ましい実施形態では、溶剤とし
て、クエン酸、乳酸、アスコルビン酸、エリソルビン
酸、アジピン酸、ソルビン酸、酒石酸、フィンチ酸、フ
マル酸、リンゴ酸、酢酸、コハク酸、グルコン酸の１種
又は１種以上の有機酸を用いている。これらの有機酸を
使用することにより、キトサンの水溶性化が簡単に行え
る。また、上記の有機酸は、有毒ガスが発生しないの
で、安全な使用が可能となる。In a preferred embodiment of each invention, the solvent may be citric acid, lactic acid, ascorbic acid, erythorbic acid, adipic acid, sorbic acid, tartaric acid, finchic acid, fumaric acid, malic acid, acetic acid, succinic acid, gluconic acid. One or more organic acids are used. By using these organic acids, chitosan can be easily made water-soluble. Further, the above-mentioned organic acids do not generate toxic gas, so that they can be used safely.
【００１０】また、好ましい実施形態では、溶剤とし
て、塩酸、硝酸、硫酸の１種又は１種以上の無機酸を用
いている。これらの無機酸を用いても、キトサンの水溶
性化が簡単に行える。以上の無機酸は、安価なため、防
黴塗料の製造コストが低廉となる。さらに、上記有機酸
や無機酸は、キトサンを水溶性化するのが主な目的であ
るが、このキトサンとの相乗効果により防黴及び抗菌効
果が向上する。また、酸の使用により、被塗布物の防腐
効果や残留黴の除去効果も得られる。In a preferred embodiment, one or more inorganic acids such as hydrochloric acid, nitric acid and sulfuric acid are used as the solvent. Even with these inorganic acids, chitosan can be easily made water-soluble. Since the above-mentioned inorganic acids are inexpensive, the production cost of the antifungal paint becomes low. Furthermore, the main purpose of the organic acid and the inorganic acid is to make chitosan water-soluble, and the synergistic effect with chitosan improves the antifungal and antibacterial effects. Further, by using an acid, an antiseptic effect of an object to be coated and an effect of removing residual mold can be obtained.
【００１１】さらに、好ましい実施形態では、安定剤と
して、溶剤として使用する酸の塩を用いている。このと
き、安定剤としては、例えば使用する酸のカルシウム又
はソーダ塩が好適に用いられる。これらを用いると、防
黴塗料としたときの安定性や保存性が一層向上する。Further, in a preferred embodiment, an acid salt used as a solvent is used as a stabilizer. At this time, as the stabilizer, for example, calcium or soda salt of the acid to be used is suitably used. When these are used, the stability and storage stability of the antifungal paint are further improved.
【００１２】また、好ましい実施形態では、界面活性剤
として、エチレンジアミンのポリオキシプロピレンーポ
リオキシエチレン縮合物を用いる。この縮合物として
は、例えばテトロニック（旭電化工業株式会社製品）が
好適に使用される。これを用いると、防黴塗料としたと
きの被塗布物に対する馴染性が良好なって、施工作業性
が高められる。In a preferred embodiment, a polyoxypropylene-polyoxyethylene condensate of ethylenediamine is used as the surfactant. As this condensate, for example, Tetronic (product of Asahi Denka Kogyo KK) is suitably used. When this is used, the compatibility with the object to be coated when the antifungal coating is obtained is improved, and the workability in construction is enhanced.
【００１３】[0013]
【発明の実施の形態】以下、本発明の防黴塗料を具体例
を挙げて説明する。防黴塗料は、 （１）キチンを脱アセチル化して得られるβ−ポリ−Ｄ
−グルコサミンからなるキトサン０．０２〜１０．０重
量％ （２）溶剤０．０１〜１０．０重量％ （３）安定剤０．０５〜２．０重量％ （４）精製水７８〜９９．４７重量％ で調製する。BEST MODE FOR CARRYING OUT THE INVENTION The antifungal paint of the present invention will be described below with reference to specific examples. Antifungal paints are: (1) β-poly-D obtained by deacetylating chitin
-Chitosan composed of glucosamine 0.02 to 10.0% by weight (2) Solvent 0.01 to 10.0% by weight (3) Stabilizer 0.05 to 2.0% by weight (4) Purified water 78 to 99. Prepared at 47% by weight.
【００１４】上記キトサンは、安全性が高く、防黴及び
抗菌性に優れている。このため、防黴塗料の原料として
使用することにより、一般家庭やその周辺での安全な使
用が行え、また施工作業者にも悪影響を及ぼすことがな
い。しかも、キトサンは、溶剤に溶解したとき、塗料の
バインダとしての展色機能を発揮するので、防黴塗料と
したときの施工作業性も良好となる。ここで、上記キト
サンは、その配合比率を０．０２重量％以下にすると、
十分な防黴及び抗菌効果が得られない。特に、被塗布物
がポーラスで吸水性が大きい場合、その表面に沈着する
キトサン量が小となるので、十分な効果が発揮できな
い。また、配合比率を１０重量％以上にしても、防黴及
び抗菌効果の向上は期待できず、コストの上昇を招く。
よって、キトサンの配合比率は上記範囲が好ましい。こ
の範囲でもって、安全性を損なうことなく、確実かつ良
好な防黴効果を長期間にわたって十分に発揮する。The above-mentioned chitosan has high safety and is excellent in antifungal and antibacterial properties. Therefore, by using it as a raw material of the antifungal coating, it can be used safely in ordinary households and its surroundings, and does not adversely affect construction workers. In addition, when chitosan is dissolved in a solvent, it exhibits a color-developing function as a binder for the paint, so that the workability when the antifungal paint is used is also improved. Here, when the above-mentioned chitosan is added at a compounding ratio of 0.02% by weight or less,
Sufficient antifungal and antibacterial effects cannot be obtained. In particular, when the object to be coated is porous and has a large water absorption, the amount of chitosan deposited on the surface of the object becomes small, so that a sufficient effect cannot be exhibited. Further, even if the compounding ratio is 10% by weight or more, improvement of the fungicidal and antibacterial effects cannot be expected, resulting in an increase in cost.
Therefore, the mixing ratio of chitosan is preferably in the above range. In this range, a reliable and good antifungal effect is sufficiently exhibited over a long period of time without impairing safety.
【００１５】上記溶剤としては、前述した有機酸又は無
機酸を使用し、好適には有毒ガスを発生しない有機酸が
用いられる。これらの酸を使用することにより、キトサ
ンの水溶性化が可能となって、防黴塗料としての有益な
使用が可能となるだけではなく、キトサンとの相乗効果
により防黴及び抗菌効果が向上する。また、酸の使用に
より、被塗布物の防腐効果や残留黴の除去効果も得られ
る。ここで、溶剤の配合比率を０．０１重量％以下にす
ると、キトサンの十分な水溶性化が行えない。また、配
合比率を１０重量％以上にすると、コストの上昇を招
く。よって、溶剤の配合比率は上記範囲が好ましい。As the solvent, the above-mentioned organic acids or inorganic acids are used, and preferably, organic acids which do not generate toxic gas are used. By using these acids, chitosan can be made water-soluble and not only can be usefully used as an antifungal paint, but also the antifungal and antibacterial effects are improved by a synergistic effect with chitosan. . Further, by using an acid, an antiseptic effect of an object to be coated and an effect of removing residual mold can be obtained. Here, if the compounding ratio of the solvent is 0.01% by weight or less, it is not possible to sufficiently make chitosan water-soluble. Further, when the mixing ratio is 10% by weight or more, the cost is increased. Therefore, the mixing ratio of the solvent is preferably within the above range.
【００１６】上記安定剤としては、上記溶剤のソーダ塩
を使用する。例えば溶剤としてクエン酸を用いる場合は
クエン酸ソーダを使用する。これを添加することによ
り、安全性が高く、防黴及び抗菌性に優れ、しかも安定
性及び保存性に優れた防黴塗料となる。ここで、安定剤
の配合比率を０．０５重量％以下にすると、所期の効果
が得られない。また、配合比率を２重量％以上にする
と、コストの上昇を招く。よって、溶剤の配合比率は上
記範囲が好ましい。As the stabilizer, a soda salt of the above solvent is used. For example, when citric acid is used as a solvent, sodium citrate is used. By adding this, a fungicide paint having high safety, excellent fungicide and antibacterial properties, and excellent stability and storage stability can be obtained. Here, if the compounding ratio of the stabilizer is 0.05% by weight or less, the desired effect cannot be obtained. Further, when the mixing ratio is 2% by weight or more, the cost is increased. Therefore, the mixing ratio of the solvent is preferably within the above range.
【００１７】また、防黴塗料には、上記のもの以外に前
述した界面活性剤を別に添加してもよい。これを添加す
ると、塗料の被塗布物に対する馴染性が良好となり、施
工時の作業性が高められる。The above-mentioned surfactant may be separately added to the antifungal paint in addition to the above-mentioned ones. When this is added, the adaptability of the paint to the object to be coated is improved, and the workability during construction is enhanced.
【００１８】そして、以上のキトサンと溶剤及び安定剤
を精製水に添加して１００重量％となし、防黴塗料を調
製する。Then, the above-mentioned chitosan, a solvent and a stabilizer are added to purified water to make up to 100% by weight to prepare a fungicide paint.
【００１９】実施例１ キトサン０．０２重量％、クエン酸０．０１重量％、ク
エン酸ソーダ０．０５重量％、精製水９９．４７重量％
を用いて、防黴塗料を調製した。Example 1 Chitosan 0.02% by weight, citric acid 0.01% by weight, sodium citrate 0.05% by weight, purified water 99.47% by weight
Was used to prepare an antifungal paint.
【００２０】実施例２ キトサン２．０重量％、クエン酸１．０重量％、クエン
酸ソーダ１．０重量％、精製水９６．０重量％を用い
て、防黴塗料を調製した。Example 2 A fungicidal paint was prepared using 2.0% by weight of chitosan, 1.0% by weight of citric acid, 1.0% by weight of sodium citrate, and 96.0% by weight of purified water.
【００２１】実施例３ キトサン５．０重量％、クエン酸５．０重量％、クエン
酸ソーダ２．０重量％、精製水８８．０重量％を用い
て、防黴塗料を調製した。Example 3 An antifungal coating was prepared using 5.0% by weight of chitosan, 5.0% by weight of citric acid, 2.0% by weight of sodium citrate, and 88.0% by weight of purified water.
【００２２】以上の実施例１〜３の防黴塗料を使用し
て、防黴試験を行った。この試験は、市販の食パンを培
養地として用い、これに各実施例の防黴塗料を散布し
て、自然状態で放置し、黴のコロニーが肉眼で確認でき
るまでの年月を調査した。この結果、市販の抗菌性シー
ル剤を塗布した場合は１週間で黴の発生が確認されてい
たのに対し、実施例１では２週間経過まで、実施例２，
３では８週間経過まで黴が発生しなかった。またスレー
ト板に塗布して黴の発生を試験したところ、市販の抗菌
性シール剤を塗布した場合は、４カ月経過すると黴の発
生が確認されていたのに対し、実施例１〜３の防黴塗料
を塗布した場合は、１年経過しても黴の発生が確認され
なかった。このことから各実施例は、ともに防黴効果に
優れていることが確認された。Using the antifungal paints of Examples 1 to 3, an antifungal test was conducted. In this test, commercially available bread was used as a culture ground, and the antifungal paint of each Example was sprayed on the bread, allowed to stand in a natural state, and the time until the mold colonies could be visually confirmed was investigated. As a result, when a commercially available antibacterial sealant was applied, the occurrence of mold was confirmed in one week, whereas in Example 1, the occurrence of mold was observed until two weeks passed.
In No. 3, no mold was generated until the lapse of 8 weeks. In addition, when the composition was applied to a slate plate and tested for the occurrence of mold, when a commercially available antibacterial sealing agent was applied, the occurrence of mold was confirmed after 4 months. When the mold paint was applied, generation of mold was not confirmed even after one year. From this, it was confirmed that each of the examples was excellent in the antifungal effect.
【００２３】[0023]
【発明の効果】以上のように、本発明の防黴塗料は、人
体や周辺環境への安全性が高く、また長期にわたって確
実かつ良好な防黴効果を発揮でき、しかも安定性及び保
存性に優れている。As described above, the antifungal paint of the present invention has high safety to the human body and the surrounding environment, can exhibit a reliable and good antifungal effect over a long period of time, and has a high stability and storage stability. Are better.
Claims (6)
ン）と、これを水溶性化する溶剤及び安定剤を主成分と
する防黴塗料。1. An antifungal paint comprising chitosan (β-poly-D-glucosamine), a solvent for rendering it water-soluble, and a stabilizer.
と、安定剤及び界面活性剤を主成分とする防黴塗料。2. An antifungal paint comprising chitosan, a solvent for rendering it water-soluble, a stabilizer and a surfactant as main components.
ビン酸、エリソルビン酸、アジピン酸、ソルビン酸、酒
石酸、フィンチ酸、フマル酸、リンゴ酸、酢酸、コハク
酸、グルコン酸の１種又は１種以上の有機酸を用いる請
求項１又は２に記載の防黴塗料。3. The solvent may be one or more of citric acid, lactic acid, ascorbic acid, erythorbic acid, adipic acid, sorbic acid, tartaric acid, finchic acid, fumaric acid, malic acid, acetic acid, succinic acid, and gluconic acid. The fungicidal paint according to claim 1 or 2, wherein the organic acid is used.
は１種以上の無機酸を用いる請求項１又は２に記載の防
黴塗料。4. The antifungal paint according to claim 1, wherein one or more inorganic acids of hydrochloric acid, nitric acid and sulfuric acid are used as the solvent.
ある請求項１又は２に記載の防黴塗料。5. The antifungal paint according to claim 1, wherein the stabilizer is a salt of an acid used as a solvent.
オキシプロピレンーポリオキシエチレン縮合物である請
求項２に記載の防黴塗料。6. The antifungal coating according to claim 2, wherein the surfactant is a polyoxypropylene-polyoxyethylene condensate of ethylenediamine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28604797A JPH11106697A (en) | 1997-10-01 | 1997-10-01 | Antimold paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28604797A JPH11106697A (en) | 1997-10-01 | 1997-10-01 | Antimold paint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11106697A true JPH11106697A (en) | 1999-04-20 |
Family
ID=17699290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28604797A Withdrawn JPH11106697A (en) | 1997-10-01 | 1997-10-01 | Antimold paint |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11106697A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100828666B1 (en) | 2007-12-27 | 2008-05-13 | 권영희 | Antifouling paint and manufacturing method of it |
| KR101223330B1 (en) | 2012-06-21 | 2013-01-16 | 주식회사 혜성지테크 | Paint composition comprising a natural vegetable resin component and manufacturing method thereof |
| WO2020234643A1 (en) * | 2019-05-17 | 2020-11-26 | Bona AB | Chitosan based coating system |
| CN114503981A (en) * | 2022-01-07 | 2022-05-17 | 上海膜益信息科技有限公司 | Non-layering mildew preventive and preparation method and application thereof |
-
1997
- 1997-10-01 JP JP28604797A patent/JPH11106697A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100828666B1 (en) | 2007-12-27 | 2008-05-13 | 권영희 | Antifouling paint and manufacturing method of it |
| KR101223330B1 (en) | 2012-06-21 | 2013-01-16 | 주식회사 혜성지테크 | Paint composition comprising a natural vegetable resin component and manufacturing method thereof |
| WO2020234643A1 (en) * | 2019-05-17 | 2020-11-26 | Bona AB | Chitosan based coating system |
| CN114080430A (en) * | 2019-05-17 | 2022-02-22 | 博纳公司 | Chitosan-based coating system |
| CN114503981A (en) * | 2022-01-07 | 2022-05-17 | 上海膜益信息科技有限公司 | Non-layering mildew preventive and preparation method and application thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20041207 |