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JP4167751B2 - Antifungal agent - Google Patents
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JP4167751B2 - Antifungal agent - Google Patents

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Publication number
JP4167751B2
JP4167751B2 JP12658498A JP12658498A JP4167751B2 JP 4167751 B2 JP4167751 B2 JP 4167751B2 JP 12658498 A JP12658498 A JP 12658498A JP 12658498 A JP12658498 A JP 12658498A JP 4167751 B2 JP4167751 B2 JP 4167751B2
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Japan
Prior art keywords
antifungal
antifungal agent
water
dialkyldimethylammonium salt
effect
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
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JP12658498A
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Japanese (ja)
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JPH11286405A (en
Inventor
和志 菅本
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Dainihon Jochugiku Co Ltd
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Dainihon Jochugiku Co Ltd
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Priority to JP12658498A priority Critical patent/JP4167751B2/en
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Description

【0001】
【産業上の利用分野】
本発明は、カビの発生しやすい高湿条件下で長期間効果を持続することができる安全性の高い防カビ剤に関する。
【0002】
【従来の技術】
元来、高温多湿の我が国では、カビの被害は多い。近年更に、密閉性の高い住居が多くなり、その被害は増大している。しかしながら、高温多湿な条件下でカビの発生を防御することは困難で、最も被害の多い浴室では、タイル目地等にカビが発生し黒ずんでから、次亜塩素酸製剤で酸化漂白しているのが現状である。次亜塩素酸製剤は、酸性タイプの漂白剤等と混用すると、危険な塩素ガスを発生することから、本来的には、使用を制限すべき製品であるが、他に置き換える製品がないため使用されている。危険な次亜塩素酸製品が使用されていることは
、防カビ性の困難さを示しているものとも言える。
【0003】
防カビ効果を長期間持続させる工夫としては、防カビ剤と浸透性防水剤の混合物をラッカーシンナーで希釈し塗布する方法(特公昭62−59082)や、防カビ性化合物に非水溶性ポリビニル化合物を配合する方法(特公平06−88882)、防カビ剤とフッソ系および/またはシリコーン系撥水剤とを含有させる方法(特許第2600343号)等が示されている。また、浴室で使用するカーテンには、防カビ剤及び撥水剤を配合した塩化ビニル系樹脂フィルムを用いる事が提案されている(特公平7−28797)。いずれの場合も、防カビ剤に撥水性の化合物を混合して用いているが、浴室では衣類を脱いで裸になり、化合物との接触がより直接的となるため、より安全性の高い製剤が望まれる。従来より、撥水剤として多用されているフッ素系やシリコーン系撥水剤は、中毒症状を引き起こすことが問題となり、現在では、密閉空間で使用しないように注意表示がなされている。また、非水溶性ポリビニル樹脂は、親水性であるタイル目地との相容性が悪く、相容性を改善するために界面活性剤を添加すると、持続性が低下する欠点があった。
【0004】
【発明が解決しようとする課題】
本発明が解決しようとする課題は、安全性の高い撥水剤を配合することによって防カビ効果を持続させ、かつ、安全性の高い防カビ剤を提供することである。
【0005】
【課題を解決するための手段】
上記目的を達成するために、本発明の防カビ剤では、風合いを良くするために繊維製品やタオル等の仕上げ剤として使用される安全性の高いカチオン界面活性剤であるジアルキルジメチルアンモニウム塩で、かつ、本剤の使用場所として最も頻度の高いタイル目地で有効な撥水効果を示す、炭素鎖長10〜14のジアルキルジメチルアンモニウム塩を撥水性被膜形成成分として配合した。ただし、炭素鎖長10〜14のジアルキルジメチルアンモニウム塩としては、主たる成分として炭素鎖長10〜14のジアルキルジメチルアンモニウム塩を含有するものであればよく、例えば、天然油脂から製造した脂肪酸を原料として製造したジアルキルジメチルアンモニウム塩、即ち、ヤシ油脂肪酸やパーム核油脂肪酸等を原料として製造したジアルキルジメチルアンモニウム塩を使用しても良い。
【0006】
また、ジアルキルジメチルアンモニウム塩の被膜形成を促進するため、本剤では、ジアルキルジメチルアンモニウム塩と防カビ成分は、アルコールに溶解した製剤として用いられる。ここで使用されるアルコールとしては、未変性エタノール、変性エタノール、イソプロピルアルコール等が好適に用いられる。
【0007】
請求項2では、0.1〜2重量%の炭素鎖長10〜14のジアルキルジメチルアンモニウム塩を撥水剤として配合した。
【0008】
請求項3では、防カビ成分として、塩化ベンザルコニウム、塩化セチルピリジニウム、2,4,4′−トリクロロ−2′−ヒドロキシジフェニルエーテル、5−クロロ−2−メチル−4−イソチアゾリン−3−オンと2−メチル−4−イソチアゾリン−3−オンの混合剤、4−イソプロピル−3−メチルフェノール、チアベンダゾール、オルトフェニルフェノール、パラクロロメタキシレノールまたはポリフェノールを含有する茶抽出物又はその精製物から選ばれた1種又は2種以上を配合した。
【0009】
【作用】
本発明の防カビ剤は、撥水性被膜形成成分として、安全性の高いジアルキルジメチルアンモニウム塩を用いているため、安全性が高く、かつ、持続性の高い防カビ効果を発揮する。
【0010】
ジアルキルジメチルアンモニウム塩としては、炭素鎖長10から14のジアルキルジメチルアンモニウム塩が用いられる。炭素鎖長が10末満では、疎水基が短いため、撥水性が弱く、また、14を越えた長鎖ジアルキルでは、被膜形成が悪くなり、
撥水性能が低下する。
【0011】
炭素鎖長10から14のジアルキルジメチルアンモニウム塩の配合量としては、0.1から2重量%が好ましい。0.1重量%未満では、撥水成分濃度が低いために、また、2重量%を越えると、濃度が大きいために被膜形成が悪くなり、いずれの場合も撥水効果が幾分低下する。
【0012】
防カビ成分としては、特に限定されるものではないが、塩化ベンザルコニウム、塩化セチルピリジニウム、2,4,4′−トリクロロ−2′−ヒドロキシジフェニルエーテル、5−クロロ−2−メチル−4−イソチアゾリン−3−オンと2−メチル−4−イソチアゾリン−3−オンの混合剤、4−イソプロピル−3−メチルフェノール、チアベンダゾール、オルトフェニルフェノール、パラクロロメタキシレノールまたはポリフェノールを含有する茶抽出物又はその精製物は、いずれも、化粧品原料基準、食品添加物公定書等に記載の安全性の高い防カビ効果を有する化合物(混合物)であり、上記化合物(混合物)のいずれかまたは、2つ以上の防カビ成分を配合することが好ましい。
【0013】
本発明の防カビ剤に、更に、抗菌効果、防藻効果あるいは、防錆効果等を付与するために、銀系、銅系等の無機抗菌剤やポリリジン、キトサン等の有機抗菌剤、防藻剤、防錆剤を配合したり、あるいは、香料等を配合しても良い。
【0014】
【実施例】
つぎに、具体的実施例に基づいて、本発明の防カビ剤をさらに詳細に説明する。
【0015】
(実施例1)塩化ジラウリルジメチルアンモニウム1gと塩化ベンザルコニウム0.5gをブルシン変性エタノール98.5gに溶解し、実施例1の防カビ剤を調製した。
【0016】
(実施例2)塩化ジカプリルジメチルアンモニウム2gと塩化ベンザルコニウム0.1gを未変性エタノール97.9gに溶解し、実施例2の防カビ剤を調製した。
【0017】
(実施例3)塩化ジミリスチリルジメチルアンモニウム0.1gと塩化ベンザルコニウム1gを未変性エタノール98.9gに溶解し、実施例3の防カビ剤を調製した。
【0018】
(実施例4)塩化ジアルキルジメチルアンモニウム(R=ヤシ油)1gと塩化ベンザルコニウム0.1g及び茶由来ポリフェノール精製物(サンフェノン;太陽化学)0.1gをブルシン変性エタノール98.8gに溶解し、実施例4の防カビ剤を調製した。
【0019】
上記実施例と同様に表1に示す組成の実施例及び比較例を調製し、防カビ試験を行った。
【0020】
【表1】

Figure 0004167751
【0021】
1.防カビ試験
実施例及び比較例の防カビ剤を市販タイルの裏面に50g/m塗布する。室温にて一夜乾燥させた後、30℃の温水に一定時間浸漬する。室温にて一夜乾燥させた後、防カビ剤塗布面に、C.herbarum及びA.niger胞子混合液に1/10量のグルコースペプトン培地を加えた液を散布し、30℃で培養し、カビの成育を観察した。結果を表2に示す。
【0022】
【表2】
Figure 0004167751
【0023】
実施例1から11の本発明による防カビ剤では、ジアルキルジメチルアンモニウム塩を配合していない比較例3に比較して、明らかに持続性の長い防カビ効果を示した。また、炭素鎖長の短い比較例1や逆に鎖長の長い比較例2では、防カビ効果の持続性が本発明より劣った。また、炭素鎖長が10〜14であっても、ジアルキルジメチルアンモニウム塩配合濃度の低い実施例10や逆に濃度の高い実施例11では持続効果が幾分劣ることが判明した。
【0024】
2.実用試験
本発明の実施例1、4及び比較例3の防カビ剤をトリガーポンプに入れ、浴室の目地に吹きつけ、長期観察を行った。結果を表3に示す。
【0025】
【表3】
Figure 0004167751
【0026】
本発明の防カビ剤を噴霧した目地では、半年後においても、目地の黒ずみは見られず、持続性のある防カビ効果が見られた。一方、比較例3を噴霧した目地では、1ヶ月後から目地の黒ずみが見られ始め、防カビ効果に持続性はなかった。
【0027】
【発明の効果】
本発明によれば、安全性と持続効果が、ともに高い防カビ剤が提供される。[0001]
[Industrial application fields]
The present invention relates to a highly safe antifungal agent capable of maintaining an effect for a long period of time under a high humidity condition where mold is likely to be generated.
[0002]
[Prior art]
Originally, in Japan, which is hot and humid, there is much damage to mold. In recent years, the number of houses with high airtightness has increased, and the damage has increased. However, it is difficult to prevent the generation of mold under hot and humid conditions, and in the most damaged bathroom, mold occurs on tile joints and darkens, and then is oxidized and bleached with hypochlorous acid preparation. Is the current situation. Hypochlorous acid preparations generate dangerous chlorine gas when mixed with acidic bleaching agents, etc., so they are essentially products that should be restricted, but are not used because there are no other products to replace. Has been. It can be said that the use of dangerous hypochlorous acid products indicates the difficulty of mold prevention.
[0003]
As a device for maintaining the antifungal effect for a long period of time, a method of diluting and applying a mixture of an antifungal agent and a permeable waterproofing agent with a lacquer thinner (Japanese Patent Publication No. Sho 62-59082), or a water-insoluble polyvinyl compound in an antifungal compound (Japanese Patent Publication No. 06-88882), a method of containing an antifungal agent and a fluorine-based and / or silicone-based water repellent (Japanese Patent No. 2600343), and the like. In addition, it has been proposed to use a vinyl chloride resin film blended with a fungicide and a water repellent for a curtain used in a bathroom (Japanese Patent Publication No. 7-28797). In either case, a water-repellent compound is used in combination with an antifungal agent, but in the bathroom, the clothes are removed and the skin becomes naked, making contact with the compound more direct. Is desired. Conventionally, fluorine-based and silicone-based water repellents, which are frequently used as water repellents, have a problem of causing poisoning symptoms, and at present, cautions are displayed so as not to use them in sealed spaces. In addition, the water-insoluble polyvinyl resin has poor compatibility with the tile joints that are hydrophilic, and there is a drawback that the durability is lowered when a surfactant is added to improve the compatibility.
[0004]
[Problems to be solved by the invention]
The problem to be solved by the present invention is to provide an antifungal agent that maintains the antifungal effect and is highly safe by blending a highly safe water repellent.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, the antifungal agent of the present invention is a dialkyldimethylammonium salt which is a highly safe cationic surfactant used as a finishing agent for textiles, towels and the like in order to improve the texture, And the dialkyl dimethyl ammonium salt of carbon chain length 10-14 which shows an effective water-repellent effect in the tile joint with the most frequent use place of this agent was mix | blended as a water-repellent film formation component. However, the dialkyldimethylammonium salt having a carbon chain length of 10 to 14 only needs to contain a dialkyldimethylammonium salt having a carbon chain length of 10 to 14 as a main component. For example, a fatty acid produced from natural fats and oils is used as a raw material. You may use the manufactured dialkyl dimethyl ammonium salt, ie, the dialkyl dimethyl ammonium salt manufactured using coconut oil fatty acid, palm kernel oil fatty acid, etc. as a raw material.
[0006]
In addition, in order to promote the formation of a film of a dialkyldimethylammonium salt, in this agent, the dialkyldimethylammonium salt and the fungicide component are used as a preparation dissolved in alcohol. As the alcohol used here, unmodified ethanol, modified ethanol, isopropyl alcohol and the like are preferably used.
[0007]
In claim 2, 0.1 to 2% by weight of a dialkyldimethylammonium salt having a carbon chain length of 10 to 14 is blended as a water repellent.
[0008]
In claim 3, as the antifungal component, benzalkonium chloride, cetylpyridinium chloride, 2,4,4'-trichloro-2'-hydroxydiphenyl ether, 5-chloro-2-methyl-4-isothiazolin-3-one Selected from tea extract containing 2-methyl-4-isothiazolin-3-one admixture, 4-isopropyl-3-methylphenol, thiabendazole, orthophenylphenol, parachlorometaxylenol or polyphenol or purified product thereof 1 type or 2 types or more were mix | blended.
[0009]
[Action]
The antifungal agent of the present invention uses a highly safe dialkyldimethylammonium salt as a water-repellent film-forming component, and thus exhibits a high safety and a long-lasting antifungal effect.
[0010]
As the dialkyldimethylammonium salt, a dialkyldimethylammonium salt having a carbon chain length of 10 to 14 is used. When the carbon chain length is less than 10, the hydrophobic group is short, so the water repellency is weak, and with long-chain dialkyls exceeding 14, the film formation is poor,
Water repellency is reduced.
[0011]
The blending amount of the dialkyldimethylammonium salt having a carbon chain length of 10 to 14 is preferably 0.1 to 2% by weight. If it is less than 0.1% by weight, the concentration of the water-repellent component is low, and if it exceeds 2% by weight, the concentration is too high to form a film, and in any case, the water-repellent effect is somewhat reduced.
[0012]
The antifungal component is not particularly limited, but benzalkonium chloride, cetylpyridinium chloride, 2,4,4'-trichloro-2'-hydroxydiphenyl ether, 5-chloro-2-methyl-4-isothiazoline Tea extract containing a mixture of -3-one and 2-methyl-4-isothiazolin-3-one, 4-isopropyl-3-methylphenol, thiabendazole, orthophenylphenol, parachlorometaxylenol or polyphenol or purification thereof Each of the products is a compound (mixture) having a high antifungal effect described in the Cosmetic Raw Material Standard, the Food Additives Standard, etc., and either one of the above compounds (mixture) or two or more It is preferable to add a mold component.
[0013]
In order to further impart antibacterial effect, antialgal effect or rustproofing effect to the antifungal agent of the present invention, inorganic antibacterial agents such as silver and copper, organic antibacterial agents such as polylysine and chitosan, and antialgae You may mix | blend an agent and a rust preventive agent, or you may mix | blend a fragrance | flavor.
[0014]
【Example】
Next, the fungicides of the present invention will be described in more detail based on specific examples.
[0015]
(Example 1) 1 g of dilauryldimethylammonium chloride and 0.5 g of benzalkonium chloride were dissolved in 98.5 g of brucine-modified ethanol to prepare an antifungal agent of Example 1.
[0016]
(Example 2) 2 g of dicapryldimethylammonium chloride and 0.1 g of benzalkonium chloride were dissolved in 97.9 g of unmodified ethanol to prepare an antifungal agent of Example 2.
[0017]
(Example 3) 0.1 g of dimyristyl dimethylammonium chloride and 1 g of benzalkonium chloride were dissolved in 98.9 g of unmodified ethanol to prepare an antifungal agent of Example 3.
[0018]
(Example 4) 1 g of dialkyldimethylammonium chloride (R = coconut oil), 0.1 g of benzalkonium chloride and 0.1 g of a tea-derived purified polyphenol (Sunphenone; Taiyo Kagaku) were dissolved in 98.8 g of brucine-modified ethanol. The antifungal agent of Example 4 was prepared.
[0019]
In the same manner as in the above Examples, Examples and Comparative Examples having the compositions shown in Table 1 were prepared and subjected to an antifungal test.
[0020]
[Table 1]
Figure 0004167751
[0021]
1. Antifungal test Examples and comparative antifungal agents are applied to the back of commercial tiles at 50 g / m 2 . After drying overnight at room temperature, it is immersed in warm water at 30 ° C. for a certain period of time. After drying overnight at room temperature, C.I. herbarum and A.H. A solution obtained by adding 1/10 amount of glucose peptone medium to the niger spore mixture was sprayed and cultured at 30 ° C., and the growth of mold was observed. The results are shown in Table 2.
[0022]
[Table 2]
Figure 0004167751
[0023]
The antifungal agents according to the present invention of Examples 1 to 11 clearly showed a long-lasting antifungal effect as compared with Comparative Example 3 in which no dialkyldimethylammonium salt was blended. Further, in Comparative Example 1 having a short carbon chain length and on the contrary, Comparative Example 2 having a long chain length, the sustainability of the antifungal effect was inferior to that of the present invention. Moreover, even if the carbon chain length was 10 to 14, it was found that the sustaining effect was somewhat inferior in Example 10 where the concentration of dialkyldimethylammonium salt was low and in Example 11 where the concentration was high.
[0024]
2. Practical test The antifungal agents of Examples 1 and 4 and Comparative Example 3 of the present invention were put into a trigger pump, sprayed on the joints in the bathroom, and subjected to long-term observation. The results are shown in Table 3.
[0025]
[Table 3]
Figure 0004167751
[0026]
In the joints sprayed with the fungicide of the present invention, no darkening of the joints was observed even after half a year, and a persistent fungicidal effect was seen. On the other hand, in the joint sprayed with Comparative Example 3, darkening of the joint started to be observed after one month, and the mold prevention effect was not sustainable.
[0027]
【The invention's effect】
According to the present invention, an antifungal agent having both high safety and sustained effect is provided.

Claims (3)

ベンゾイソチアゾリン系化合物を除く防カビ成分と、撥水性被膜形成成分として、炭素鎖長10〜14のジアルキルジメチルアンモニウム塩とを配合したアルコール製剤であることを特徴とする防カビ剤。An antifungal agent, which is an alcohol preparation containing a fungicide component excluding a benzoisothiazoline-based compound and a dialkyldimethylammonium salt having a carbon chain length of 10 to 14 as a water-repellent film forming component. ジアルキルジメチルアンモニウム塩の配合量が全体量に対して0.1から2重量%であることを特徴とする請求項1に記載の防カビ剤。 The antifungal agent according to claim 1, wherein the amount of the dialkyldimethylammonium salt is 0.1 to 2% by weight based on the total amount. 防カビ成分が塩化ベンザルコニウム、塩化セチルピリジニウム、2,4,4´−トリクロロ−2´−ヒドロキシジフェニルエーテル、5−クロロ−2−メチル−4−イソチアゾリン−3−オンと2−メチル−4−イソチアゾリン−3−オンの混合剤、4−イソプロピル−3−メチルフェノール、チアベンダゾール、オルトフェニルフェノール、パラクロロメタキシレノールまたはポリフェノールを含有する茶抽出物又はその精製物から選ばれた1種又は2種以上であることを特徴とする請求項1または2に記載の防カビ剤。 Antifungal ingredients are benzalkonium chloride, cetylpyridinium chloride, 2,4,4'-trichloro-2'-hydroxydiphenyl ether, 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4- One or more selected from a tea extract containing isothiazolin-3-one admixture, 4-isopropyl-3-methylphenol, thiabendazole, orthophenylphenol, parachlorometaxylenol or polyphenol or a purified product thereof The antifungal agent according to claim 1 or 2, wherein
JP12658498A 1998-03-31 1998-03-31 Antifungal agent Expired - Lifetime JP4167751B2 (en)

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