JP4260576B2 - Cleaning method of vinyl cloth and cleaning agent used therefor - Google Patents
Cleaning method of vinyl cloth and cleaning agent used therefor Download PDFInfo
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Description
本発明は、ビニルクロスに付着した黴を浮き上がらせた後に、枯草剤を含有した洗浄剤を塗布することによってビニルクロスにおける汚れの洗浄及び黴の発生を防止かつ除去する方法及びそれに用いられる洗浄剤に関する。 The present invention relates to a method for preventing and removing stains on a vinyl cloth and preventing generation of wrinkles by applying a cleaning agent containing a herbicide after raising the wrinkles attached to the vinyl cloth, and a cleaning agent used therefor About.
ビニルクロス等の塩化ビニル系のプラスチック類には、可塑剤や柔軟剤が添加され、更に長年の使用により多糖類等の有機物が付着し、その有機物が栄養となりアルテアナリア（ススカビ）、クラドスホリウム（クロカビ）、オーレオバシディウム・プルランス、フザリウム（アカカビ）、トリコデルマ・ピリディ（ツチアオカビ）及びニグロスポラ・オリゼ等の黴が発生・増殖する。 Plasticizers and softeners are added to vinyl chloride plastics such as vinyl cloth, and organic substances such as polysaccharides adhere to them after many years of use, and the organic substances become nutrients and become arteanaria (Suscabi), cladosphorium (Crocobi) ), Aureobasidium pullans, Fusarium (Red mold), Trichoderma pyridi (Tussia mold), and Nigrospora oryzae are developed and proliferated.
このような汚れを洗浄し黴を防除するために、従来塩素系又は酸素系漂白剤を主成分とする洗浄剤（例えば、特許文献１参照。）、アルコール分を主成分とする洗浄剤を用いたり、ＴＢＺ（農薬としてメルク社が開発した製品）等の合成物質をエマルジョン塗装に添加する方法等が知られていた。 In order to clean such stains and control wrinkles, a conventional cleaning agent mainly containing a chlorine-based or oxygen-based bleaching agent (see, for example, Patent Document 1) and a cleaning agent mainly containing an alcohol component are used. In addition, a method of adding a synthetic substance such as TBZ (a product developed by Merck as an agrochemical) to emulsion coating has been known.
しかし、次亜塩素酸ソーダのような塩素系漂白剤、ハイドロサルファイト等の漂白剤を主成分とするものは、黴色素の漂白力と黴の除去性能は優れているものの、酸性の洗浄剤と混合した場合に人体に有毒な塩素ガスを発生させたり、塩素臭が強い等の欠点を有する。特にトイレ等の床や壁等に付着している尿酸等が化学反応をおこし、トリハロメタン（発ガン性物質）が発生する場合がある。またハロゲン等の漂白剤は、汚れや黴色素を漂白するのみで、黴自体を防除することはできなかった。 However, chlorine bleach such as sodium hypochlorite, and those mainly composed of bleach such as hydrosulfite are acidic detergents, although they have excellent bleaching power and soot removal performance. When it is mixed with, it has the disadvantages of generating toxic chlorine gas to the human body and strong chlorine odor. In particular, uric acid or the like adhering to the floor or wall of a toilet or the like may cause a chemical reaction to generate trihalomethane (carcinogenic substance). In addition, bleaching agents such as halogens only bleached dirt and wrinkle pigments and could not control wrinkles themselves.
また、過酸化水素等を主成分とする酸素系漂白剤を主成分とするものは、単独では十分な黴の防除効果が得られず、そのため他の漂白活性化剤等と併用する必要があった（例えば、特許文献２参照。）。また酸素系漂白剤も汚れや黴自体を一時的に漂白するだけで、黴の発生を防止することはできず、生分解率の低い洗浄剤では、かえって黴の増殖を促す環境になってしまうという欠点があった。 In addition, an oxygen-based bleaching agent mainly composed of hydrogen peroxide or the like cannot provide a sufficient soot control effect by itself, and therefore must be used in combination with other bleach activators. (For example, see Patent Document 2). Oxygen bleaches can also prevent the generation of wrinkles by simply bleaching dirt and wrinkles themselves, and cleaning agents with a low biodegradation rate will lead to an environment that promotes the growth of wrinkles. There was a drawback.
またアルコールを主成分とする洗浄剤は、殺菌力を有しているが、汚れや黴の再発生を防止する効果に劣る。即ち、主成分となるアルコールは揮発性が高いため、効果の持続期間が短く、すぐに黴が発生する環境になってしまうという欠点があった。 Moreover, although the cleaning agent which has alcohol as a main component has bactericidal power, it is inferior to the effect which prevents the reproduction | regeneration of dirt and wrinkles. That is, since alcohol as a main component has high volatility, there is a drawback that the duration of the effect is short, and an environment in which wrinkles are generated immediately occurs.
更にＴＢＺ等の合成物質を配合した洗浄剤は、効果の持続期間が短く、水等に溶け難い性質を有することから、空中に飛散することによって目や皮膚を痛める危険性も大きく、シックハウス症候群の原因ともなり得るという欠点があった。
本発明は、上記した従来技術の欠点を除くためになされたものであって、その目的とするところは、微生物である枯草菌を含有した洗浄剤を所定の前処理工程の後に塗布することによって、効果的に汚れ・黴等を分解・除去し、長期間に渡って汚れや黴の再発生を防止することにある。 The present invention has been made in order to eliminate the above-described drawbacks of the prior art, and its object is to apply a cleaning agent containing Bacillus subtilis, which is a microorganism, after a predetermined pretreatment step. It is to effectively decompose and remove dirt and soot and prevent the occurrence of dirt and soot over a long period of time.
また、水と酸素に分解される過酸化水素水を含んだ水溶性溶液と、土壌中のバクテリアで生分解される純植物系の界面活性剤に加えて、自然界に存在する微生物である枯草菌を主成分とする洗浄剤を用いることによって、二次汚染の危険性のないビニルクロスの洗浄方法を提供することにある。
更に汚れ・黴の再発生を長期間に渡って防止する洗浄剤を提供することにある。
In addition to water-soluble solutions containing hydrogen peroxide that can be decomposed into water and oxygen, and pure plant surfactants that are biodegraded by bacteria in the soil, Bacillus subtilis, a microorganism that exists in nature, is also available. It is an object of the present invention to provide a method for cleaning a vinyl cloth without the risk of secondary contamination by using a cleaning agent containing as a main component.
It is another object of the present invention to provide a cleaning agent that prevents the occurrence of dirt and wrinkles over a long period of time.
（１）本発明に係るビニルクロスにおける黴の防除方法は、建物の天井、壁あるいは床に貼られたビニルクロスにおける黴の防除方法であって、過酸化水素水を含んだ水溶性溶液と酸性の非イオン水とを混合した第一洗浄剤をビニルクロス表面に塗布した後、該第一洗浄剤が塗布されたビニルクロス表面に枯草菌を含有した植物系の第二洗浄剤を塗布することを特徴とする。 (1) A method for controlling wrinkles in a vinyl cloth according to the present invention is a method for controlling wrinkles in a vinyl cloth affixed to a ceiling, wall or floor of a building, comprising an aqueous solution containing hydrogen peroxide and an acidic solution. After applying the first detergent mixed with non-ionized water to the surface of the vinyl cloth, the second cloth-type detergent containing Bacillus subtilis is applied to the surface of the vinyl cloth to which the first detergent is applied. It is characterized by.
（２）本発明に係るビニルクロスの洗浄方法は、上記第一洗浄剤の塗布工程と、上記第二洗浄剤の塗布工程との間に植物系の界面活性剤を塗布する工程を有することを特徴とする。 (2) The vinyl cloth cleaning method according to the present invention includes a step of applying a plant surfactant between the first cleaning agent application step and the second cleaning agent application step. Features.
（３）本発明に係るビニルクロスの洗浄方法は、上記第二洗浄剤が芽胞状態の枯草菌を植物系の界面活性剤に混合したものであることを特徴とする上記（１）又は（２）のいずれかに記載された方法である。 (3) The method for washing vinyl cloth according to the present invention is characterized in that the second detergent is a mixture of spores of Bacillus subtilis in a plant surfactant (1) or (2) ).
（４）本発明に係るビニルクロスの洗浄方法は、洗浄液若しくは界面活性剤を多孔体、織布、不織布又は綿状体によって塗布することを特徴とする上記（１）乃至（３）のいずれか一に記載された方法である。 (4) The vinyl cloth cleaning method according to the present invention is any one of the above (1) to (3), wherein the cleaning liquid or the surfactant is applied by a porous body, a woven fabric, a nonwoven fabric, or a cotton-like body. It is the method described in one.
本発明は、微生物である枯草菌を含有した洗浄剤を所定の前処理工程の後に塗布することによって、効果的に汚れ・黴等を分解・除去し、長期間に渡って汚れや黴の再発生を防止するという効果がある。 In the present invention, by applying a cleaning agent containing Bacillus subtilis, which is a microorganism, after a predetermined pretreatment step, dirt and wrinkles can be effectively decomposed and removed, and dirt and wrinkles can be removed over a long period of time. This has the effect of preventing the occurrence.
また、水と酸素に分解される過酸化水素水を含んだ水溶性溶液と、土壌中のバクテリアで生分解される純植物系の界面活性剤に加えて、自然界に存在する微生物である枯草菌を主成分とする洗浄剤を用いることによって、二次汚染の危険性のないビニルクロスの洗浄方法を提供するという効果がある。
更に汚れ・黴の再発生を長期間に渡って防止する洗浄剤を提供するという効果がある。
In addition to water-soluble solutions containing hydrogen peroxide that can be decomposed into water and oxygen, and pure plant surfactants that are biodegraded by bacteria in the soil, Bacillus subtilis, a microorganism that exists in nature, is also available. By using the cleaning agent mainly composed of, there is an effect of providing a method for cleaning vinyl cloth without risk of secondary contamination.
Furthermore, there is an effect of providing a cleaning agent that prevents the occurrence of dirt and wrinkles over a long period of time.
本発明は、微生物である枯草菌を含有した洗浄剤を所定の前処理工程の後に塗布することによって、黴等を分解・除去し、長期間に渡って黴の再発生を防止することを特徴とする。
（第一工程）
過酸化水素と酸性の非イオン水とを以下の割合で混合した第一洗浄剤を用意する。
Ｈ2Ｏ2を含有した水溶液 ０．１５重量％
酸性の非イオン水 ９９．８５重量％
但し、上記の成分及び割合は、温度、湿度等の環境条件や汚れの性質や程度によって変わる場合があり、本発明はこれに限定されるものではない。
かかる第一洗浄剤は、弱酸性、水溶性であり、約６時間で水と酸素に化学分解（気化）するため、二次汚染の危険性がない。
The present invention is characterized in that by applying a cleaning agent containing Bacillus subtilis, which is a microorganism, after a predetermined pretreatment step, wrinkles and the like are decomposed and removed, and reoccurrence of wrinkles is prevented over a long period of time. And
(First step)
A first cleaning agent in which hydrogen peroxide and acidic nonionic water are mixed in the following ratio is prepared.
Aqueous solution containing H 2 O 2 0.15% by weight
Acidic non-ionic water 99.85% by weight
However, the components and ratios described above may vary depending on environmental conditions such as temperature and humidity, and the nature and degree of dirt, and the present invention is not limited thereto.
The first cleaning agent is weakly acidic and water-soluble, and chemically decomposes (vaporizes) into water and oxygen in about 6 hours, so there is no risk of secondary contamination.
上記第一洗浄剤を水道水で希釈した後、建物の天井、壁あるいは床に貼られたビニルクロス表面に塗布する。この工程によりビニルクロスの種類、凹凸、汚れの状況（日焼け、熱焼け、スス汚れ、黴等）に拘わらず黴の増殖の原因となる汚れを洗浄することができる。またかかる洗浄剤は漂白剤等ではないので、ビニルクロスの色調を変化させることはない。 After the first cleaning agent is diluted with tap water, it is applied to the surface of the vinyl cloth affixed to the ceiling, wall or floor of the building. By this step, it is possible to clean the stains that cause the growth of wrinkles regardless of the type of vinyl cloth, unevenness, and the state of dirt (sunburn, heat burn, soot stain, wrinkles, etc.). Further, since such a cleaning agent is not a bleaching agent or the like, the color tone of the vinyl cloth is not changed.
（第二洗浄剤の製造）
下記物質を混合して第二洗浄剤を製造する。
芽胞状態の枯草菌 ５×１０3〜１０11個／ｍｌ
植物系の界面活性剤 １ｍｌ
但し、上記の成分及び割合は、温度、湿度等の環境条件や汚れの性質や程度によって変わる場合があり、本発明はこれに限定されるものではない。
(Manufacture of second detergent)
The following substances are mixed to produce a second cleaning agent.
Bacillus subtilis in the spore state 5 × 10 3 to 10 11 / ml
Plant-based surfactant 1ml
However, the components and ratios described above may vary depending on environmental conditions such as temperature and humidity, and the nature and degree of dirt, and the present invention is not limited thereto.
（第二工程）
第一洗浄剤を塗布し、かかる第一洗浄剤が乾燥した後、上述の製造方法によって得られた第二洗浄剤を乾燥した第一洗浄剤の上に塗布する。
枯草菌には黴の発育を阻害する真菌発育抑制効果がある。また芽胞状態にしておく理由は、ビニルクロスに塗布まで枯草菌の増殖を抑制する必要があることと、胞子化した菌は外部の刺激に強く、所定の洗浄剤に死滅することなく混入するためである。
また植物系の界面活性剤としては、例えばヤシ油等が挙げられるが、これに限定されるものではない。
(Second step)
After the first cleaning agent is applied and the first cleaning agent is dried, the second cleaning agent obtained by the above-described manufacturing method is applied onto the dried first cleaning agent.
Bacillus subtilis has a fungal growth-inhibiting effect that inhibits the growth of silkworms. The reason for keeping the spore state is that it is necessary to suppress the growth of Bacillus subtilis until it is applied to vinyl cloth, and the spore-forming bacteria are resistant to external stimuli and are mixed in a predetermined detergent without dying. It is.
Examples of the plant surfactant include, but are not limited to, coconut oil.
上記第二洗浄剤を第一洗浄剤によって、汚れの洗浄されたビニルクロス表面に塗布する。塗布することによって、洗浄剤中の枯草菌が空気中に露出し、多糖類（油脂・汗等）及び黴等に接触し、増殖を開始する。かかる増殖の過程で生じる分解酵素（油脂分解酵素リパーゼ、タンパク質分解酵素プロテアーゼ、炭水化物分解酵素アミラーゼ、繊維質分解酵素セルラーゼ等）の作用によって、多糖類を分解し、悪性病原菌、悪臭、黴等を抑制する。枯草菌の増殖は、約４ヶ月で最盛期を迎え、約６ヶ月間にわたり枯草菌を防除する効果を有する。 The second cleaning agent is applied to the cleaned vinyl cloth surface with the first cleaning agent. By applying, Bacillus subtilis in the cleaning agent is exposed to the air and comes into contact with polysaccharides (oil and fat, sweat, etc.) and wrinkles, and starts to grow. By the action of degrading enzymes (oil degrading enzyme lipase, proteolytic enzyme protease, carbohydrate degrading enzyme amylase, fiber degrading enzyme cellulase, etc.) generated during the growth process, polysaccharides are decomposed and malignant pathogens, malodors, wrinkles, etc. are suppressed. To do. The growth of Bacillus subtilis reaches its peak in about 4 months and has an effect of controlling Bacillus subtilis for about 6 months.
かかる第二洗浄液の分解酵素及び洗浄力によって、黴以外の様々な有機物の腐敗臭もビニルクロスを傷めることなく、根源から消臭することができる。
第二洗浄液中の枯草菌は生分解し、第二洗浄液は弱アルカリ性であり、界面活性剤としては純植物性のヤシ油等が用いられるため二次汚染の危険性はない。
By the decomposing enzyme and the detergency of the second cleaning liquid, it is possible to remove the odors of various organic substances other than soot from the roots without damaging the vinyl cloth.
Bacillus subtilis in the second washing solution is biodegraded, the second washing solution is weakly alkaline, and pure vegetable palm oil or the like is used as the surfactant, so there is no risk of secondary contamination.
次に本発明に係るビニルクロスの洗浄方法の一例を示す。以下の実施例は１００ｍ2のビニルクロスを洗浄したものである。
（第一工程）
過酸化水素と酸性の非イオン水とを以下の割合で混合した第一洗浄剤を用意した。
Ｈ2Ｏ2を含有した水溶液 ０．１５重量％
酸性の非イオン水 ９９．８５重量％
上記第一洗浄剤を２００ｃｃ製造し、かかる第一洗浄剤に水道水３，８００ｃｃを加えて希釈した。但し、第一洗浄剤の成分、割合及び水道水による希釈倍率は、温度、湿度等の環境条件や汚れの性質や程度によって変わる場合があり、本発明はこれに限定されるものではない。
Next, an example of the vinyl cloth cleaning method according to the present invention will be described. In the following examples, 100 m 2 vinyl cloth was washed.
(First step)
A first cleaning agent prepared by mixing hydrogen peroxide and acidic nonionic water in the following ratio was prepared.
Aqueous solution containing H 2 O 2 0.15% by weight
Acidic non-ionic water 99.85% by weight
200 cc of the first cleaning agent was produced, and 3,800 cc of tap water was added to the first cleaning agent and diluted. However, the component and ratio of the first cleaning agent and the dilution rate with tap water may vary depending on environmental conditions such as temperature and humidity and the nature and degree of dirt, and the present invention is not limited to this.
次に洗浄対象のビニルクロスを用意した。ビニルクロスの表面には、タバコの煙による黄ばみ、油煙、日焼け、スス、鉛筆、マジック、クレヨン、ペンキ、照明器具等による熱焼け、黴による汚れが発生している。これらの汚れのうち、マジックやクレヨン等による汚れはビニルクロスを溶かし、熱焼けの部分はビニルクロスの原料が劣化している。また黴はビニルクロスの裏面にも発生してした。 Next, a vinyl cloth to be cleaned was prepared. On the surface of the vinyl cloth, yellowing due to cigarette smoke, oily smoke, sunburn, soot, pencil, magic, crayon, paint, lighting equipment, etc., heat burn, and dirt caused by haze are generated. Among these stains, the stains caused by magic, crayons, etc., melt the vinyl cloth, and the material of the vinyl cloth is deteriorated in the heat-burned portion. In addition, wrinkles occurred on the back of the vinyl cloth.
上記の希釈された４リットルの第一洗浄剤を建物の天井、壁あるいは床に貼られたビニルクロス表面に塗布する。第一洗浄剤は、布を巻き付けた棒（以下、「スクラブ」という。）に十分に染み込ませ、ビニルクロスの表面全体に塗りムラが生じないように均一に塗布した。 The diluted 4 liters of the first cleaning agent is applied to the vinyl cloth surface attached to the ceiling, wall or floor of the building. The first cleaning agent was sufficiently infiltrated into a stick (hereinafter referred to as “scrubbing”) around which the cloth was wound, and was applied uniformly so as not to cause uneven coating on the entire surface of the vinyl cloth.
スス、油煙、日焼け、マジック等の汚れのひどい箇所には、第一洗浄剤を布製のパッドに含ませ、液垂れしないように軽く擦った。
４リットルの第一洗浄剤の全てを使い切るまで、ビニルクロスの表面に数回重ね塗りをした。
その後、第一洗浄剤を乾燥させるため、そのまま放置した。窓のある室内におけるビニルクロスに第一洗浄剤を塗布した場合は、夏期で２０分以上、冬期で４０分以上乾燥させる。
The first cleaning agent was included in a cloth pad in a heavily soiled area such as soot, oil smoke, sunburn, magic, etc., and rubbed lightly to prevent dripping.
The surface of the vinyl cloth was overcoated several times until all of the 4 liters of the first detergent was used up.
Thereafter, the first cleaning agent was left as it was for drying. When the first cleaning agent is applied to a vinyl cloth in a room with a window, it is dried for 20 minutes or more in the summer and 40 minutes or more in the winter.
（第二工程）
次にココヤシの種子内の含脂部分を圧搾して採油されたヤシ油を弱アルカリの非イオン水と混合することにより純植物系の界面活性剤を製造した。かかる界面活性剤に水道水３，８００ｃｃを加え希釈した。
但し、界面活性剤の成分、割合及び水道水による希釈倍率は、温度、湿度等の環境条件や汚れの性質や程度によって変わる場合があり、本発明はこれに限定されるものではない。
(Second step)
Next, a pure plant surfactant was produced by mixing palm oil extracted by squeezing a fat-containing portion in coconut seeds with weakly alkaline nonionic water. The surfactant was diluted with 3,800 cc of tap water.
However, the component and ratio of the surfactant and the dilution ratio with tap water may vary depending on environmental conditions such as temperature and humidity, and the nature and degree of dirt, and the present invention is not limited thereto.
次に界面活性剤を塗布し、乾燥した後のビニルクロス表面に、界面活性剤を塗布した。界面活性剤は、スクラブに十分に染み込ませ、ビニルクロスの表面全体にすり込むように塗布した。汚れの目立つ箇所は、布製のウエスに上記界面活性剤を染み込ませ、汚れた箇所に塗布し、ブラシ又はウエスで軽く拭いた。そして４リットルの界面活性剤の全てを使い切るまで、ビニルクロスの表面に数回重ね塗りをした。
なお、ヤシ油は土壌中のバクテリアで生分解されるため、二次汚染の危険性はない。
Next, a surfactant was applied, and the surfactant was applied to the vinyl cloth surface after drying. The surfactant was sufficiently soaked in the scrub and applied so as to rub over the entire surface of the vinyl cloth. In the place where the dirt was conspicuous, the above-mentioned surfactant was soaked in a cloth waste cloth, applied to the dirty place, and lightly wiped with a brush or a waste cloth. The surface of the vinyl cloth was overcoated several times until all of the 4 liter surfactant was used up.
Palm oil is biodegraded by bacteria in the soil, so there is no risk of secondary contamination.
（第三工程）
界面活性剤を塗布した後、以下の割合の第二洗浄剤を塗布する。
芽胞状態の枯草菌 ５×１０3〜１０11個／ｍｌ
植物系の界面活性剤 １ｍｌ
但し、上記の成分及び割合は、温度、湿度等の環境条件や汚れの性質や程度によって変わる場合があり、本発明はこれに限定されるものではない。
(Third process)
After applying the surfactant, the following ratio of the second cleaning agent is applied.
Bacillus subtilis 5 × 10 3 -10 11 / ml
Plant-based surfactant 1ml
However, the components and ratios described above may vary depending on environmental conditions such as temperature and humidity, and the nature and degree of dirt, and the present invention is not limited thereto.
芽胞状態の枯草菌は、トリプトソイ寒天培地に土壌中に広く存在する枯草菌を植え、３７±１℃で３日間培養した後、低温に放置し、希釈液に懸濁して回収することにより得られた。但し、芽胞状態の枯草菌は、他の方法によっても得ることができるため、上記の芽胞方法は一例であり、本発明はこれに限定されるものではない。
また植物系の界面活性剤としては、ココヤシの種子内の含脂部分を圧搾して採油したヤシ油を弱アルカリの非イオン水と混合することにより製造されたものを用いた。但し、界面活性剤の成分等は、汚れの性質や程度等によって変わる場合があり、植物系のものであれば良く、本発明はこれに限定されるものでない。
The Bacillus subtilis in the spore state is obtained by planting Bacillus subtilis that is widely present in soil on a tryptic soy agar medium, culturing at 37 ± 1 ° C. for 3 days, leaving it at low temperature, suspending it in a dilute solution, and collecting it. It was. However, since the Bacillus subtilis in the spore state can be obtained by other methods, the above spore method is merely an example, and the present invention is not limited thereto.
Moreover, what was manufactured by mixing the palm oil which squeezed the oil-containing part in a coconut seed and extract | collected with the weak alkaline nonionic water was used as a plant-type surfactant. However, the components of the surfactant may vary depending on the nature and degree of dirt, etc., and may be plant-based, and the present invention is not limited to this.
上記第二洗浄剤を２００ｃｃ製造し、かかる第二洗浄剤に水道水３，８００ｃｃを加えて希釈した。但し、第二洗浄剤の成分、割合及び水道水による希釈倍率は、温度、湿度等の環境条件や汚れの性質や程度によって変わる場合があり、本発明はこれに限定されるものではない。 200 cc of the second detergent was produced, and 3,800 cc of tap water was added to the second detergent for dilution. However, the component and ratio of the second cleaning agent and the dilution ratio with tap water may vary depending on environmental conditions such as temperature and humidity, and the nature and degree of dirt, and the present invention is not limited to this.
上記第二洗浄剤をスクラブに染み込ませて、ビニルクロス表面全体にムラ無く塗布した。汚れの目立つ箇所は、布製のウエスに上記界面活性剤を染み込ませ、汚れた箇所に塗布し、ブラシ又はウエスで軽く拭いた。
そして４リットルの界面活性剤の全てを使い切るまで、ビニルクロスの表面に数回重ね塗りをした。
この第三工程の後に天井、壁あるいは床に貼られたビニルクロスの表面を目視観察したところ、汚れや黴等は目視できなかった。また官能試験の結果、洗浄後のビニルクロスからは悪臭を感知できなかった。一方、洗浄後のビニルクロスに縮み、剥がれ、浮き等の損耗は見られず、ビニルクロスが本来有していた風合い、色柄を美しく再現することができた。
The second cleaning agent was soaked into the scrub and applied to the entire vinyl cloth surface without unevenness. In the place where the dirt was conspicuous, the above-mentioned surfactant was soaked in a cloth waste cloth, applied to the dirty place, and lightly wiped with a brush or a waste cloth.
The surface of the vinyl cloth was overcoated several times until all of the 4 liter surfactant was used up.
When the surface of the vinyl cloth affixed to the ceiling, wall, or floor was visually observed after the third step, no stains or wrinkles were visible. As a result of the sensory test, no bad odor was detected from the washed vinyl cloth. On the other hand, the vinyl cloth after cleaning was not shrunk, peeled off, or worn away, and the texture and color pattern originally possessed by the vinyl cloth could be reproduced beautifully.
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