JP5275617B2 - Non-contact fungicide composition - Google Patents
Non-contact fungicide composition Download PDFInfo
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- JP5275617B2 JP5275617B2 JP2007312039A JP2007312039A JP5275617B2 JP 5275617 B2 JP5275617 B2 JP 5275617B2 JP 2007312039 A JP2007312039 A JP 2007312039A JP 2007312039 A JP2007312039 A JP 2007312039A JP 5275617 B2 JP5275617 B2 JP 5275617B2
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- Prior art keywords
- ether
- contact type
- fungicide composition
- mold
- antifungal
- 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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- JKHOAEJAYQUXGR-UHFFFAOYSA-N C(CCCCCCC(C)C)OC(C)COC(C)CO Chemical compound C(CCCCCCC(C)C)OC(C)COC(C)CO JKHOAEJAYQUXGR-UHFFFAOYSA-N 0.000 claims description 3
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- 125000000217 alkyl group Chemical group 0.000 abstract description 19
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- KYWOLPRBJOAYEI-UHFFFAOYSA-N 2-(2-heptoxypropoxy)propan-1-ol Chemical compound CCCCCCCOC(C)COC(C)CO KYWOLPRBJOAYEI-UHFFFAOYSA-N 0.000 description 1
- REBDAVKHKOKYNL-UHFFFAOYSA-N 2-(2-nonoxypropoxy)propan-1-ol Chemical compound CCCCCCCCCOC(C)COC(C)CO REBDAVKHKOKYNL-UHFFFAOYSA-N 0.000 description 1
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- LCZVSXRMYJUNFX-UHFFFAOYSA-N 2-[2-(2-hydroxypropoxy)propoxy]propan-1-ol Chemical compound CC(O)COC(C)COC(C)CO LCZVSXRMYJUNFX-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
本発明は、非接触型防カビ剤組成物及びその包装体に関する。 The present invention relates to a non-contact type fungicide composition and a package thereof.
一般的に、衣類は購入されてから「着用→洗濯→収納」というサイクルで使用されるが、収納中に気になるカビ、ニオイなどのトラブルから衣類を守る(ケアする)ことは重要である。これまでの防カビ剤は、パラオキシ安息香酸メチル、パラオキシ安息香酸エチル、安息香酸、安息香酸ナトリウム、オルトフェニルフェノール等の粉体又は結晶、あるいは2−フェノキシエタノールや塩化ベンザルコニウム等の液体であり、どちらも被防カビ物に接触させなければ防カビ性能を十分に付与することができない。 Generally, clothes are used in a cycle of “wear → washing → storage” after purchase, but it is important to protect (care) from troubles such as mold and odor that are anxious during storage. . Conventional antifungal agents are powders or crystals such as methyl paraoxybenzoate, ethyl paraoxybenzoate, benzoic acid, sodium benzoate, orthophenylphenol, or liquids such as 2-phenoxyethanol and benzalkonium chloride, In either case, the mold-proof performance cannot be sufficiently imparted unless the mold is brought into contact with the article to be protected.
これに対し、非接触型の防カビ剤に関する技術が開示されているが、防カビ性能が不十分だったり、基剤の臭気が強く単独使用が難しいなどの問題があった。特許文献1には、グリコールエーテルを含む空間除菌用組成物に関する技術が開示されている。特許文献2には、防黴クレヨンに関する技術が開示されている。特許文献3には、防黴剤スプレーに関する技術が開示されている。また、特許文献4には、木材防腐剤・防蟻・防かび剤およびそれを用いる木材の処理方法に関する技術が開示されている。
特許文献1の技術では、プロピレングリコールモノメチルエーテルやプロピレングリコール−n−プロピルエーテルなどを加熱ヒーターなどを用いて蒸散させており、常温での自然揮散での防カビ性能は低く、十分な性能を発現するには大量の基剤が必要である。特許文献2〜3の技術では、グリコール類などの溶剤を含有する防黴クレヨン又は防黴剤スプレーを用いて、浴室や台所等の水回りのタイル目地における黴の発生を防止しているが、どちらも効果を発現するには直接塗布する必要がある。また、特許文献4の技術では、ポリオキシアルキレンアルキルエーテルを用いてオオウズラタケやカワラタケなどによる木材の腐朽を防止しているが、効果を発現するには直接塗布する必要がある。
In the technology of Patent Document 1, propylene glycol monomethyl ether, propylene glycol-n-propyl ether, etc. are evaporated using a heater, etc., and the anti-mold performance at natural volatilization at room temperature is low and sufficient performance is expressed. This requires a large amount of base. In the techniques of
従って、本発明の課題は、常温においても、被防カビ物に直接接触させずに優れた防カビ性能を発揮することができる非接触型防カビ剤組成物を提供することにある。 Accordingly, an object of the present invention is to provide a non-contact type anti-fungal agent composition that can exhibit excellent anti-mold performance without being brought into direct contact with the anti-mold product even at room temperature.
本発明者らは、特定のアルキルグリコールエーテルが、常温で被防カビ物に非接触であっても優れた防カビ性能を有することを見出した。 The inventors of the present invention have found that a specific alkyl glycol ether has excellent antifungal performance even when it is not in contact with the antifungal material at room temperature.
すなわち、本発明は、下記一般式(1)で表される化合物(以下化合物(1)という)を含有する非接触型防カビ剤組成物、並びにこの非接触型防カビ剤組成物を、容器に収納してなる防カビ剤組成物包装体を提供する。 That is, the present invention relates to a non-contact type fungicide composition containing a compound represented by the following general formula (1) (hereinafter referred to as compound (1)), as well as this non-contact type fungicide composition in a container. An antifungal composition package is provided that is housed in a container.
R1−O(PO)nH (1)
〔式中、R1は炭素数6〜11のアルキル基、Pは炭素数3のアルキレン基、nは平均付加モル数を示す1〜3の数であり、n個のPは同一でも異なっていても良い。〕
R 1 —O (PO) n H (1)
[Wherein R 1 is an alkyl group having 6 to 11 carbon atoms, P is an alkylene group having 3 carbon atoms, n is a number of 1 to 3 indicating the average number of added moles, and n Ps are the same or different. May be. ]
本発明の非接触型防カビ剤組成物及びその包装体は、常温においても、被防カビ物に接触することなく、広範囲において優れた防カビ機能を発揮することができる。 The non-contact type anti-fungal agent composition and the package thereof of the present invention can exhibit an excellent anti-fungal function in a wide range without contacting the anti-mold product even at room temperature.
本発明に用いられる化合物(1)において、R1は炭素数6〜11のアルキル基であり、アルキル基は直鎖でも分岐鎖でもよい。R1の具体例としては、ヘキシル、ヘプチル、オクチル、2−エチルヘキシル、ノニル、デシル、イソデシル、ウンデシル等の基が挙げられる。Pは炭素数3のアルキレン基であり、アルキレン基は直鎖でも分岐鎖でも良く、n個のPは同一でも異なっていても良い。Pの具体例としては、プロピレン基(プロパン−1,2−ジイル基)、トリメチレン基が挙げられ、プロピレン基が好ましい。nは平均付加モル数を示す1〜3の数であり、1〜2の数が好ましい。 In the compound (1) used in the present invention, R 1 is an alkyl group having 6 to 11 carbon atoms, and the alkyl group may be linear or branched. Specific examples of R 1 include groups such as hexyl, heptyl, octyl, 2-ethylhexyl, nonyl, decyl, isodecyl, undecyl and the like. P is an alkylene group having 3 carbon atoms, and the alkylene group may be linear or branched, and n Ps may be the same or different. Specific examples of P include a propylene group (propane-1,2-diyl group) and trimethylene group, and a propylene group is preferable. n is a number of 1 to 3 indicating the average number of moles added, and a number of 1 to 2 is preferred.
化合物(1)としては、R1が炭素数6〜11のアルキル基、Pがプロピレン基、nが1〜2の数である化合物が好ましい。 As the compound (1), a compound in which R 1 is an alkyl group having 6 to 11 carbon atoms, P is a propylene group, and n is 1 to 2 is preferable.
化合物(1)の具体例としては、例えば、プロピレングリコールモノアルキル(アルキル基の炭素数6〜11)エーテル、ジプロピレングリコールモノアルキル(アルキル基の炭素数6〜11)エーテル、トリプロピレングリコールモノアルキル(アルキル基の炭素数6〜11)エーテル、トリメチレングリコールモノアルキル(アルキル基の炭素数6〜11)エーテル、ジ(トリメチレングリコール)モノアルキル(アルキル基の炭素数6〜11)エーテル、トリ(トリメチレングリコール)モノアルキル(アルキル基の炭素数6〜11)エーテル等が挙げられる。 Specific examples of the compound (1) include, for example, propylene glycol monoalkyl (alkyl group having 6 to 11 carbon atoms) ether, dipropylene glycol monoalkyl (alkyl group having 6 to 11 carbon atoms) ether, tripropylene glycol monoalkyl. (Alkyl group having 6 to 11 carbon atoms) ether, trimethylene glycol monoalkyl (alkyl group having 6 to 11 carbon atoms) ether, di (trimethylene glycol) monoalkyl (alkyl group having 6 to 11 carbon atoms) ether, trimethyl ether (Trimethylene glycol) monoalkyl (alkyl group having 6 to 11 carbon atoms) ether and the like.
これらの中では、防カビ効果の観点から、プロピレングリコールモノアルキル(アルキル基の炭素数6〜11)エーテル、ジプロピレングリコールモノアルキル(アルキル基の炭素数6〜11)エーテルが好ましい。 Among these, propylene glycol monoalkyl (alkyl group having 6 to 11 carbon atoms) ether and dipropylene glycol monoalkyl (alkyl group having 6 to 11 carbon atoms) ether are preferable from the viewpoint of fungicidal effect.
更に、低臭気性の観点から、ジプロピレングリコールモノヘキシルエーテル、ジプロピレングリコールモノヘプチルエーテル、プロピレングリコールモノオクチルエーテル、ジプロピレングリコールモノオクチルエーテル、プロピレングリコールモノ−2−エチルヘキシルエーテル、ジプロピレングリコールモノ−2−エチルヘキシルエーテル、プロピレングリコールモノノニルエーテル、ジプロピレングリコールモノノニルエーテル、プロピレングリコールモノデシルエーテル、ジプロピレングリコールモノデシルエーテル、プロピレングリコールモノイソデシルエーテル、ジプロピレングリコールモノイソデシルエーテル、プロピレングリコールモノウンデシルエーテル、ジプロピレングリコールモノウンデシルエーテルがより好ましい。 Further, from the viewpoint of low odor, dipropylene glycol monohexyl ether, dipropylene glycol monoheptyl ether, propylene glycol monooctyl ether, dipropylene glycol monooctyl ether, propylene glycol mono-2-ethylhexyl ether, dipropylene glycol mono- 2-ethylhexyl ether, propylene glycol monononyl ether, dipropylene glycol monononyl ether, propylene glycol monodecyl ether, dipropylene glycol monodecyl ether, propylene glycol monoisodecyl ether, dipropylene glycol monoisodecyl ether, propylene glycol monoun More preferred are decyl ether and dipropylene glycol monoundecyl ether
化合物(1)は、1種又は2種以上を混合して用いることができる。 Compound (1) can be used alone or in combination of two or more.
本発明の非接触型防カビ剤組成物は、主成分として化合物(1)を含有するもので、その形態はゲル状、粉末状、粒状、液状などいずれの形態でもよい。 The non-contact type fungicide composition of the present invention contains the compound (1) as a main component, and the form thereof may be any form such as gel, powder, granule, and liquid.
本発明の非接触型防カビ剤組成物中の化合物(1)の含有量は、その種類や使用形態によって適宜調整することができるが、通常0.1〜100質量%が好ましく、1〜100質量%がより好ましい。 Although content of the compound (1) in the non-contact-type antifungal agent composition of this invention can be suitably adjusted with the kind and usage pattern, 0.1-100 mass% is preferable normally, and 1-100 The mass% is more preferable.
本発明の非接触型防カビ剤組成物をゲル状とする場合、ゲル化剤を用いるのが一般的である。ゲル化剤としては特に限定されないが、例えばポリビニルアルコール、ポリエチレングリコール、ポリビニルピロリドン、アルギン酸、セルロース、デンプン等、又はそれらの誘導体あるいはそれらの塩などの水溶性有機高分子から形成されたもの、酢酸ビニル系樹脂エマルジョン、酢酸ビニルと塩化ビニルなどの共重合体系樹脂エマルジョンなどの合成樹脂系エマルジョン、ゴム系ラテックスなどの水溶性エマルジョン、カラギーナン、寒天、ゼラチン、ペクチン等の各種動物、植物、藻類、微生物から抽出される天然物由来のゲル化剤等を挙げることができる。 When the non-contact type fungicide composition of the present invention is gelled, it is common to use a gelling agent. The gelling agent is not particularly limited. For example, polyvinyl alcohol, polyethylene glycol, polyvinyl pyrrolidone, alginic acid, cellulose, starch, etc., or derivatives or salts thereof formed from water-soluble organic polymers such as vinyl acetate Resin emulsions, synthetic resin emulsions such as vinyl acetate and vinyl chloride copolymer resin emulsions, water soluble emulsions such as rubber latex, carrageenan, agar, gelatin, pectin and other animals, plants, algae, and microorganisms Examples thereof include gelling agents derived from natural products to be extracted.
ゲル状の非接触型防カビ剤組成物中の化合物(1)の含有量は、その種類や使用形態によって適宜調整することができるが、通常0.1〜60質量%が好ましく、1〜50質量%がより好ましい。 Although content of the compound (1) in a gel-like non-contact-type antifungal agent composition can be suitably adjusted with the kind and usage form, 0.1-60 mass% is preferable normally, and 1-50 The mass% is more preferable.
ゲル状の非接触型防カビ剤組成物中に化合物(1)を分散、乳化させるためには界面活性剤を用いることが好ましい。界面活性剤としては、特に制限はなく、非イオン性界面活性剤、陽イオン性界面活性剤、陰イオン性界面活性剤、及び両性界面活性剤の中から選ばれる少なくとも1種を用いることができる。 In order to disperse and emulsify the compound (1) in the gel-like non-contact type fungicide composition, it is preferable to use a surfactant. There is no restriction | limiting in particular as surfactant, At least 1 sort (s) chosen from a nonionic surfactant, a cationic surfactant, an anionic surfactant, and an amphoteric surfactant can be used. .
非イオン性界面活性剤としては、ポリオキシアルキレンアルキル又はアルケニルエーテル、ポリオキシアルキレンアルキルフェニルエーテル、ポリオキシアルキレン脂肪酸エステル、ポリオキシアルキレンソルビタン脂肪酸エステル又はポリオキシアルキレングリセリン脂肪酸エステル、ポリオキシアルキレンソルビット脂肪酸エステル、ポリオキシアルキレンヒマシ油又は硬化ヒマシ油、アルキル又はアルケニルジエタノールアマイド、アルキルアミン又はアルキルジメチルアミン、アルケニルアミン又はアルケニルジメチルアミン、ポリオキシアルキレンアルキル又はアルケニルアミン等が挙げられる。 Nonionic surfactants include polyoxyalkylene alkyl or alkenyl ether, polyoxyalkylene alkyl phenyl ether, polyoxyalkylene fatty acid ester, polyoxyalkylene sorbitan fatty acid ester or polyoxyalkylene glycerin fatty acid ester, polyoxyalkylene sorbit fatty acid ester , Polyoxyalkylene castor oil or hydrogenated castor oil, alkyl or alkenyl diethanolamide, alkylamine or alkyldimethylamine, alkenylamine or alkenyldimethylamine, polyoxyalkylenealkyl or alkenylamine and the like.
陽イオン性界面活性剤としては、第1級アミン塩、第2級アミン塩、第3級アミン塩、第4級アンモニウム塩が挙げられる。 Examples of the cationic surfactant include primary amine salts, secondary amine salts, tertiary amine salts, and quaternary ammonium salts.
陰イオン性界面活性剤としては、アルキルベンゼンスルホン酸塩、アルキル硫酸塩もしくはアルケニル硫酸塩、オレフィンスルホン酸塩、アルカンスルホン酸塩、アルキルグリセリルエーテルスルホン酸のようなアルキル多価アルコールエーテルスルホン酸の塩、高級脂肪酸塩、アルキル又はアルケニルエーテル硫酸塩、アルキル又はアルケニルエーテルカルボン酸塩等が挙げられる。 Anionic surfactants include alkyl benzene sulfonates, alkyl sulfates or alkenyl sulfates, olefin sulfonates, alkane sulfonates, salts of alkyl polyhydric alcohol ether sulfonates such as alkyl glyceryl ether sulfonates, Examples include higher fatty acid salts, alkyl or alkenyl ether sulfates, alkyl or alkenyl ether carboxylates, and the like.
両性界面活性剤としては、アルキル又はアルケニルアミンオキシド、アミドプロピルアミンオキシド(ラウリン酸とジメチルアミノプロピルアミンとのアミド化合物を過酸化水素と反応させて得たもの等)、ジメチルラウリルアミンオキシド、ジメチルアミノ酢酸ベタイン、又はイミダゾリニウムベタイン、脂肪酸アミドプロピルジメチルアミノ酢酸ベタイン、N−アシルアミノ酸又はその塩、N−アシルメチルタウリン酸塩等が挙げられる。 Amphoteric surfactants include alkyl or alkenylamine oxide, amidopropylamine oxide (obtained by reacting amide compound of lauric acid and dimethylaminopropylamine with hydrogen peroxide, etc.), dimethyllaurylamine oxide, dimethylamino Examples include betaine acetate, imidazolinium betaine, fatty acid amidopropyldimethylaminoacetic acid betaine, N-acylamino acid or a salt thereof, and N-acylmethyltaurate.
本発明の非接触型防カビ剤組成物を粉末状または粒状とする場合、粉末または粒状の担体として、シリカゲル、ゼオライト、ケイ酸カルシウム、珪藻土、アルミナ、アロフェン、バーミキュライト、パーライト、シラスバルーン、セピオライト、カオリン、ハイドロタルサイト、タルク、スノーテック、ベントナイト等の無機系多孔質担体、活性炭、パルプ、繊維素材、合成樹脂等の有機系多孔質担体を用いることができる。 When the non-contact fungicide composition of the present invention is powdered or granular, as a powder or granular carrier, silica gel, zeolite, calcium silicate, diatomaceous earth, alumina, allophane, vermiculite, perlite, shirasu balloon, sepiolite, Inorganic porous carriers such as kaolin, hydrotalcite, talc, snow tech and bentonite, and organic porous carriers such as activated carbon, pulp, fiber material and synthetic resin can be used.
粉末状または粒状の非接触型防カビ剤組成物中の化合物(1)の含有量は、その種類や使用形態によって適宜調整することができるが、通常0.1〜70質量%が好ましく、1〜60質量%がより好ましい。 The content of the compound (1) in the powdery or granular non-contact type antifungal agent composition can be appropriately adjusted depending on the type and use form, but is usually preferably 0.1 to 70% by mass. -60 mass% is more preferable.
本発明の非接触型防カビ剤組成物を液状とする場合、可溶化剤として上記の界面活性剤、またはアルコールなどの溶剤を用いることができる。液状の組成物は、芯棒、ろ紙、不織布等に染み込ませて揮散させる方法、透過膜を用いて揮散させる方法等の従来公知の方法により用いることができる。 When the non-contact type fungicide composition of the present invention is made liquid, the above-mentioned surfactant or a solvent such as alcohol can be used as a solubilizer. The liquid composition can be used by a conventionally known method such as a method of soaking in a core rod, filter paper, nonwoven fabric or the like and volatilizing using a permeable membrane.
液状の非接触型防カビ剤組成物中の化合物(1)の含有量は、その種類や使用形態によって適宜調整することができるが、通常0.1〜40質量%が好ましく、1〜30質量%がより好ましい。 The content of the compound (1) in the liquid non-contact fungicide composition can be appropriately adjusted depending on the type and use form, but is usually 0.1 to 40% by mass, preferably 1 to 30% by mass. % Is more preferable.
本発明の非接触型防カビ剤組成物は、必要に応じて、本発明の効果を損なわない範囲で、上記成分以外に、一般に添加される各種の溶剤、油剤、硫酸ナトリウムやN,N,N−トリメチルグリシン等の塩、pH調整剤、酸化防止剤、防腐剤、殺菌・抗菌剤、消臭剤、香料、色素、紫外線吸収剤等の他の成分を含有することができる。 The non-contact type anti-fungal agent composition of the present invention can be added to various solvents, oils, sodium sulfate, sodium sulfate, N, N, Other components such as a salt such as N-trimethylglycine, a pH adjuster, an antioxidant, an antiseptic, a bactericidal / antibacterial agent, a deodorant, a fragrance, a dye, and an ultraviolet absorber can be contained.
本発明の非接触型防カビ剤組成物は、容器に収めた防カビ剤組成物包装体として提供することができる。本発明の非接触型防カビ剤組成物は、そのまま、またはアルコール等の揮発性の溶剤に溶解して、液状のまま、または前記したゲル状、粉末状、粒状等の形状で通気性のある容器に収める。通気性のある容器としては、内面が通気性のある熱可塑性樹脂で外面が通気性のある支持体からなる積層体製の袋状物が挙げられ、例えば、通気性のある支持体として不織布を用い、内面がポリエチレンフィルム等の通気性のある熱可塑性樹脂フィルムを張り合わせて作られたラミネート紙を袋状にしたもの等が挙げられる。 The non-contact type fungicide composition of the present invention can be provided as a fungicide composition package in a container. The non-contact type fungicide composition of the present invention is air permeable as it is or dissolved in a volatile solvent such as alcohol and remains in a liquid state or in the form of gel, powder, granule or the like. Place in a container. Examples of the breathable container include a bag-like product made of a laminate composed of a breathable thermoplastic resin on the inner surface and a breathable support on the outer surface. For example, a nonwoven fabric is used as the breathable support. And a bag made of laminated paper made by laminating a breathable thermoplastic resin film such as a polyethylene film.
本発明の非接触型防カビ剤組成物及びその包装体は、例えばクローゼット、押し入れ、靴箱等に設置して、衣類、靴、壁面、床面等のカビの発生を防止することができるが、特にクローゼット、押し入れ等の衣類を収納した空間に用い、衣類のカビの発生を防止するのに好適である。 The non-contact fungicide composition of the present invention and its package can be installed in, for example, a closet, a closet, a shoe box, etc. to prevent the occurrence of mold on clothes, shoes, wall surfaces, floor surfaces, etc. In particular, it is suitable for use in a space storing clothes such as a closet and a closet to prevent generation of mold on the clothes.
実施例1〜6及び比較例1〜3
下記配合成分を用い、表1に示す配合処方の非接触型防カビ剤組成物を調製した。得られた非接触型防カビ剤組成物について、下記方法により防カビ性能を評価した。結果を表1に示す。
Examples 1-6 and Comparative Examples 1-3
Using the following blending components, a non-contact type fungicide composition having the blending formulation shown in Table 1 was prepared. About the obtained non-contact-type antifungal agent composition, antifungal performance was evaluated by the following method. The results are shown in Table 1.
<配合成分>
化合物(1)
a−1:プロピレングリコールモノヘキシルエーテル
a−2:プロピレングリコールモノオクチルエーテル
a−3:トリプロピレングリコールモノオクチルエーテル
a−4:ジプロピレングリコールモノ−2−エチルヘキシルエーテル
a−5:プロピレングリコールモノデシルエーテル
a−6:ジプロピレングリコールモノイソデシルエーテル
化合物(1)の比較品
a’−1:プロピレングリコールモノメチルエーテル
a’−2:プロピレングリコールモノ−n−プロピルエーテル
a’−3:プロピレングリコールモノドデシルエーテル
<防カビ性能評価法>
(1)試験菌の調製
ポテトデキストロース寒天培地(和光純薬工業製)に生育させたAspergillus.niger及びCladosporiumの胞子と菌糸を、滅菌した0.05%Tween80(レオドールTW-0120)水溶液に分散させ、1×106〜1×107cells/mLのカビ懸濁液を調製した。
<Blending ingredients>
Compound (1)
a-1: propylene glycol monohexyl ether a-2: propylene glycol monooctyl ether a-3: tripropylene glycol monooctyl ether a-4: dipropylene glycol mono-2-ethylhexyl ether a-5: propylene glycol monodecyl ether a-6: Dipropylene glycol monoisodecyl ether Comparative product of compound (1) a′-1: Propylene glycol monomethyl ether a′-2: Propylene glycol mono-n-propyl ether a′-3: Propylene glycol monododecyl ether <Anti-mold performance evaluation method>
(1) Preparation of Test Bacteria Aspergillus.niger and Cladosporium spores and mycelia grown on potato dextrose agar (manufactured by Wako Pure Chemical Industries, Ltd.) were dispersed in a sterilized 0.05% Tween80 (Rheodor TW-0120) aqueous solution. A mold suspension of × 10 6 to 1 × 10 7 cells / mL was prepared.
(2)カビ試験片の調製
3cm×3cmに裁断した木綿メリアス布及び黒染した木綿ブロード布を滅菌処理(オートクレーブ:2atm(202650Pa)、125℃/15min)し、図1に示すような90mmプラスチックシャーレ1(日水製薬製、ニッスイAシャーレ、滅菌済み浅型)に各2枚ずつ静置した。各試験布に滅菌処理した2.4%ポテトデキストロースブロス水溶液(和光純薬工業製)を200μL塗布し、上記のカビ懸濁液を100μL塗布したものをカビ試験片2,2’として用いた。
(2) Preparation of mold test piece Cotton melias cloth cut to 3 cm x 3 cm and black dyed cotton broad cloth were sterilized (autoclave: 2 atm (202650 Pa), 125 ° C / 15 min), and 90 mm plastic as shown in Fig. 1 Two pieces each were allowed to stand on Petri dish 1 (Nissui Pharmaceutical, Nissui A Petri dish, sterilized shallow mold). 200 μL of a 2.4% potato dextrose broth aqueous solution (manufactured by Wako Pure Chemical Industries, Ltd.) sterilized on each test cloth was applied, and 100 μL of the above mold suspension was applied as a
(3)防カビ試験
シャーレの蓋3の中央に表1に記載の非接触型防カビ剤組成物を含浸させた布4(木綿メリアス布、1.5cm×1.5cm)を貼り、25℃、100%RHにて7日間培養した後、カビの生育状態を目視にて観察し、下記の5段階の基準に基づいて評価した。この中で評価が−及び+のものは、カビの生育が抑えられ、抗カビ性効果が顕著に認識できる。なお、シャーレの蓋に非接触型防カビ剤組成物を含浸させた布を貼らないで同様にカビの生育状態を観察した場合は、防カビ効果が認められないことを確認している。結果を表1に示す。
−:カビの生育なし
+:カビ菌糸のみ僅かに生育している
++:カビ菌糸のみ生育している
+++:カビ菌糸に加え、カビ胞子が僅かに生育している
++++:カビ胞子、菌糸ともに十分に生育している
(3) Mold prevention test A cloth 4 (cotton Melias cloth, 1.5 cm × 1.5 cm) impregnated with the non-contact type mold prevention agent composition described in Table 1 was applied to the center of the lid 3 of the petri dish at 25 ° C. After culturing at 100% RH for 7 days, the growth state of the mold was visually observed and evaluated based on the following five-stage criteria. Among them, those with a rating of-and + suppress the growth of mold, and the antifungal effect can be recognized remarkably. In addition, when the growth state of mold | fungi was observed similarly without sticking the cloth which impregnated the non-contact-type antifungal agent composition on the petri dish lid | cover, it confirmed that the antifungal effect was not recognized. The results are shown in Table 1.
-: No mold growth +: Only mildew mycelium grows slightly ++: Only mildew mycelium grows +++: In addition to mold mycelium, mildew spores grow slightly +++++: Both mold spores and mycelia are sufficient Growing in
表1から、比較例1〜3の組成物は、Aspergillus.niger及びCladosporiumに対する防カビ性能が不十分であるのに対し、実施例1〜6の非接触型防カビ剤組成物は、Aspergillus.niger及びCladosporiumのいずれに対しても防カビ性能が高いことが分かる。 From Table 1, the compositions of Comparative Examples 1 to 3 have insufficient antifungal performance against Aspergillus.niger and Cladosporium, while the non-contact antifungal compositions of Examples 1 to 6 are Aspergillus. It can be seen that the mold prevention performance is high against both niger and Cladosporium.
実施例7
不織布(東洋紡績株式会社製、東洋紡スパンボンド、ボランス4301N)に、表1の実施例6に示す配合処方の非接触型防カビ剤組成物を150質量%含浸させて、非接触型防カビ剤組成物含浸不織布を調製した。内容積約60Lのプラスチック製収納ボックス(64cm×40cm×23cm、ヨシカワ製、ネオテナーミドルM23)内に、この非接触型防カビ剤組成物含浸不織布1.7g、及び実施例1と同じカビ試験片2,2’をシャーレ1の蓋を外した状態で静置した。25℃、100%RHにて7日間培養し、実施例1と同様の方法で防カビ効果を判定した。その結果、Aspergillus.niger及びCladosporiumのいずれに対しても防カビ性能を有していた。
Example 7
A non-contact type anti-fungal agent was impregnated with 150% by mass of a non-contact type anti-fungal agent composition of the formulation shown in Example 6 of Table 1 in a non-woven fabric (Toyobo Co., Ltd., Toyobo Spunbond, Borans 4301N). A composition-impregnated nonwoven fabric was prepared. In the plastic storage box (64 cm × 40 cm × 23 cm, made by Yoshikawa, Neo Tenor Middle M23) having an internal volume of about 60 L, 1.7 g of the non-contact type fungicide composition-impregnated nonwoven fabric and the same mold test as in Example 1 The
1 シャーレ
2,2’ カビ試験片
3 シャーレの蓋
4 非接触型防カビ剤組成物を含浸させた布
DESCRIPTION OF SYMBOLS 1
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