JP4043011B2 - Wet wiper - Google Patents
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- JP4043011B2 JP4043011B2 JP2001385682A JP2001385682A JP4043011B2 JP 4043011 B2 JP4043011 B2 JP 4043011B2 JP 2001385682 A JP2001385682 A JP 2001385682A JP 2001385682 A JP2001385682 A JP 2001385682A JP 4043011 B2 JP4043011 B2 JP 4043011B2
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Description
【0001】
【発明の属する技術分野】
本発明は、各種表面の清浄および/または艶出しに用いられる、湿潤ワイパーに関する。
【0002】
【従来の技術】
平滑な表面を有するガラス、金属、プラスチックス、塗膜等といった硬質表面の清浄化や艶出し等に、各種湿潤ワイパー(ウエットワイパー、ウエットティッシュなどとも呼ばれる)が知られている。これら湿潤ワイパーは、用途に応じて選定された清浄剤や艶出し剤等からなる配合成分を媒体に溶解または分散することにより調製した薬液組成物を紙や布等の基材に含浸させたものである。湿潤ワイパーは使用時まで薬液組成物により湿潤状態にあるもので、媒体を乾燥除去した乾燥ワイパー(ドライワイパー)と区別される。湿潤ワイパーは、使用に際しては、拭くだけで薬液と基材の作用により清浄および/または艶出し等の目的が達せられ、クリーニング操作が非常に簡便に行えるのがその特徴である。
【0003】
【発明が解決しようとする課題】
このように湿潤ワイパーを用いることで作業の簡便化が達せられるが、一方において、湿潤ワイパーで拭いたあとの硬質表面に、ワイパーから表面に移行した薬液組成物から媒体が蒸発して生じたとみられるすじ状あるいはスポット状の残渣(以後、拭き残りと称する)を生じるという問題がある。この拭き残りをなくすため、清浄剤あるいは艶出し剤の検討が種々なされてきたが、まだ充分とはいえない状況にある。特に、建物や自動車の窓ガラス、眼鏡レンズのような透明なガラスやプラスチックスの表面、化粧鏡、塗装家具、冷蔵庫、自動車ボディー、テレビやパソコン画面のような光沢表面、反射表面においては、拭き残りの課題は一層重要である。
【0004】
【課題を解決するための手段】
本発明者は、薬液組成物(湿潤液)を含浸させた湿潤ワイパーについて、上記課題を解決するために鋭意研究を重ねた結果、清浄剤や艶出し剤といった主剤とともに、通常、湿潤ワイパーの保存中におけるカビ発生を防ぐ目的で配合されている防腐剤が拭き残りに大きく影響していることを見出し、本発明をなすに至った。
【0005】
【発明の実施の形態】
以下、本願発明について詳細に説明する。
本発明の防腐剤の種類は、湿潤ワイパーの使用目的、湿潤ワイパーの基布や薬剤といった条件にもよるが、一般的には、少量の添加量でも大きな防腐効果の得られる防腐剤を単独または2種以上併用して用いることができる。
これら防腐剤の具体例としては、例えば、メチルイソチアゾリノン、クロロメチルイソチアゾリノン、ベンズイソチアゾリノン等のイソチアゾリノン系、ブロムニトロプロパンジオール、あるいはイソプロピルメチルフェノール等のフェノール系、臭化アルキルイソキノリニウム等の臭化4級アンモニウム塩系、感光素101号等の感光素系等、その他銀イオンを無機物に担持させた銀イオン・無機質系などを挙げることができるが、これらに限定されるものではない。単独の防腐剤の少量添加において充分な防腐効果の得られない場合は、充分な効果が得られるよう、複数の防腐剤を組み合わせて用いることもできる。
【0006】
本発明の湿潤ワイパーに含まれる防腐剤の割合は、湿潤ワイパーの総量を基準に、0.0005〜0.05質量%である。この値が、0.05質量%以下のときに、拭き残りを防止することができる。また、0.0005質量%以上のときに、湿潤ワイパー保存中における十分な防腐効果が得られる。また、後述するように、薬剤組成物として、防腐剤を含んだ水性組成物を用いる場合は、その水性組成物における防腐剤の割合は、0.0005〜0.08質量%であることが好ましい。
【0007】
本発明の薬剤組成物には、本発明の奏する効果が損なわれない範囲で、必要に応じて有機溶剤や界面活性剤といった清浄剤、あるいはワックスやシリコーンといった艶出し剤、及び酸化防止剤、防錆剤、pH調整剤、香料等の添加剤を配合してもよい。
【0008】
このなかでも特に、清浄剤としては、例えば、プルピレングリコール、グリセリン等のポリオール類、エチレングリコールモノプロピルエーテル、エチレングリコールモノブチルエーテル、エチレングリコールモノベンジルエーテル、プロピレングリコールモノブチルエーテル、ジエチレングリコールモノブチルエーテル、プロピレングリコールモノブチルエーテル、ジプロピレングリコールモノメチルエーテル、ジエチレングリコールジブチルエーテル、ジプロピレングリコールジメチルエーテル等のグリコールエーテル類、モノエタノールアミン、ジエタノールアミン、トリエタノールアミン等のアルカノールアミン類、イミダゾール、ピリジン誘導体、更にはパラフィン系炭化水素、ナフテン系炭化水素、オレフィン系炭化水素、芳香族炭化水素等の石油系有機溶剤類、大豆油などの脂肪酸トリグリセリド類等の有機溶剤の単独または2種類以上の混合物が用いられ、また、例えばポリオキシエチレンアルキルエーテル、ポリオキシエチレンポリオキシプロピレンアルキルエーテル、ポリオキシエチレン脂肪酸エステル、ポリオキシエチレンアルキルフェノールエーテル、ソルビタン脂肪酸エステル、ポリオキシエチレンソルビタン脂肪酸エステル、ショ糖脂肪酸エステル、アルキルジメチルアミンオキシドなどのノニオン界面活性剤、例えばアルキル硫酸塩、ポリオキシエチレンアルキルエーテル硫酸塩、アルキルベンゼンスルフォン酸塩、脂肪酸塩などのアニオン界面活性剤、例えば塩化長鎖アルキルトリメチルアンモニウムなどのカチオン界面活性剤、アルキルベタインなどの両性界面活性剤といった界面活性剤の単独または2種以上の混合物が用いられる。有機溶剤と界面活性剤を併用することも出来る。これら清浄剤は水溶液としてまたは水でエマルジョン化して用いられる。
【0009】
また、艶出し剤としては、シリコーンオイル、フッ化変性シリコーンオイル、アミノ変性シリコーンオイル、エポキシ変性シリコーンオイル、アルコール変性シリコーンオイル等のポリオルガノシロキサン、溶剤可溶性シリコーン樹脂のようなシリコーン系艶出し剤、カルナバワックス、キャンデリラワックス、モンタンワックス、パラフィンワックス等のワックス系艶出し剤が挙げられる。これら艶出し剤は単独または2種以上の混合物としてエマルジョン化して用いられる。用途に応じて、清浄剤とも併用される。
【0010】
本発明の湿潤ワイパーは、例えば、水性組成物を湿潤液として布帛に含浸させることにより製造することができる。湿潤ワイパー中の水性組成物の量が布帛質量に対して少なすぎると清浄および/または艶出し効果を発揮することが出来ず、また水性組成物の量が多すぎると拭き残りの原因となるだけでなく、製造コスト的にも不利であるので、水性組成物の総量が布帛質量100質量部に対して50〜400質量部含浸させることが好ましく、80〜300質量部含浸させることが特に好ましい。
【0011】
また、上記の製造法において使用する布帛は、特に限定されるものではないが、例えば綿、綿リンター、パルプ、レーヨン、及びそれらを改質したもの等の親水性繊維系、例えばポリエチレン、ポリプロピレン、ポリエステル、アクリル、ナイロン繊維等の疎水性繊維系を挙げることができ、これらの繊維は単体又は混合物として使用することができる。なお、本発明において親水性繊維とは水分率が5質量%以上のものを意味し、疎水性繊維とは水分率が5質量%未満のものを意味する。布帛の種類と湿潤ワイパーの拭き残りの程度については、一般的な傾向として、親水性繊維系の布帛を用いた場合に比べ、疎水性繊維系の布帛を用いた場合の方が拭き残りが多い傾向にある。従って、本願発明の効果は、疎水性の布帛を用いた場合において特に顕著である。本発明において疎水性の布帛とは、疎水性繊維又は疎水性繊維に少割合の親水性繊維を混紡して得られる水分率5質量%未満の布帛をいう。疎水性の布帛を用いた場合であっても、布帛に含浸させる水性組成物の一部として、エチルアルコールやイソプロピルアルコールといった揮発性の高い低級アルコールを加えることで、ある程度の拭き残りの改善ができ、さらに、エチルアルコールやイソプロピルアルコールには揮発性の防腐剤としての効果も期待できることから、アルコール単独或は防腐剤とアルコールの併用のかたちで用いられている。しかし、アルコールは揮発性が高いため使用時に刺激臭がしたり、皮膚の油脂性分までふき取ることによる肌荒れを起こすという問題を伴うため、低級アルコールをもちいないか、もちるとしても0.5質量%程度未満にすることが望まれる。本願の処方に従えば、アルコールを用いなくても良い結果が得られる。従って、本願発明の効果は、疎水性の布帛を用いた場合に、さらには低級アルコールを使用しない湿潤ワイパーにおいて特に重要である。
【0012】
布帛の目付量は薄すぎても厚すぎても使用しにくいため10〜120g/m2 で使用することが好ましく、更には15〜80g/m2で使用することが好ましい。また布帛の繊維径が10μm以下の極細繊維を10質量%以上含有する布帛であると、硬質表面への接点数を多くでき、密着性が高いことから、清浄効果の点からもまた拭き残りの少なさの点からも好ましい。例えば、眼鏡レンズ、化粧鏡、テレビやパソコンの画面のように、汚れがしつこい汚れでない場合には、水と0.08質量%以下の防腐剤とのみからなる水性組成物を極細繊維からなる布帛に含浸させた湿潤ワイパーを用いることで、充分な清浄が達せられ、かつ拭き残りの点で非常に優れることがわかった。また布帛の中でも特に不織布を使用することが、寸法や目付量等の製造安定性が高いこと、コストの面で優れることから好ましい。
【0013】
本発明の湿潤ワイパーは各種表面の清浄および/または艶出し、特に拭き残りが目立ちやすい表面平滑な硬質表面、例えば家具や建物の窓ガラス、車両の窓ガラス、テレビやパソコンの画面、化粧鏡あるいは眼鏡レンズ等のような透明なガラスやプラスチックス表面等の清浄に、また、冷蔵庫、塗装家具、自動車ボディーのような光沢表面の清浄および/または艶出しに好適に用いられる。
以下に、本発明の実施例を詳細に説明する。表中に記載された数値は、湿潤ワイパーの質量を基準とする防腐剤他の配合量(質量%)を、また括弧内の数値は、布帛に含浸させた水性組成物を基準とする防腐剤他の配合量(質量%)を示す。
【0014】
実施例、比較例中で行う性能評価試験方法は以下のとおりである。
なお、
<汚れ落ち評価方法>
・実施例1〜7及び比較例1〜4(表1)
メガネ汚れを想定し、以下の操作にて評価試験を行った。OAフィルターアイセフティ EVF−C1(コクヨ(株)社製)に人工汚垢を薄く一面に広げる。表面を乾燥させた後、表面の浮いている汚れを乾いた布で拭き取り、OAフィルターに汚れを定着させたものを被清浄物とする。湿潤ワイパーで汚れを拭き取り、汚れ落ちの程度を目視にて判定する。
・実施例8〜13及び比較例5〜8(表2)
キッチン汚れを想定して、以下の操作にて評価試験を行った。ガラスに油性のモデル汚れを付け、均一に延ばし、加熱処理(120℃で1時間)後室温に放置したものを被清浄物とする。湿潤ワイパーで汚れを拭き取り、汚れ落ちの程度を目視にて判定する。評価基準は以下の通りである。
〇 被清浄物上に人工汚垢が事実上残らない。
△ 被清浄物上に支障ない程度であるが、人工汚垢が僅かに残る。
× 被清浄物上に人工汚垢が残る。
【0015】
<艶評価方法>
JIS.G.3141(SPCC.SD)5φカチオン電着塗装上を湿潤ワイパーで拭きあげ、艶の程度を目視にて判定する。
評価基準は以下の通りである。
〇 艶がある
× 艶が無い
【0016】
<拭き残り評価方法>
汚れ落ち評価または艶評価同様にして作成した物を、湿潤ワイパーで拭いたあと、目視にて拭き残りを評価する。
評価基準は以下の通りである。
○ 拭き残りが観察されない
△ 支障がない程度であるが、拭き残り僅かに観察される
× 拭き残りが観察される。
【0017】
<防腐力評価方法>
試験片を4×4cmに切り取りサブロー寒天培地(日水製薬)に密着させ胞子(或いは菌懸濁液)懸濁液1mlを滴下しコンラージ棒で広げ培養を行う。培養時間は25℃で2週間(菌の場合は37℃で2日)行い判定する。
評価基準は以下の通りである。
〇 試験片に胞子(コロニー)が無い
△ 試験片の1/3未満が胞子(コロニー)で覆われている
× 試験片の1/3以上が胞子(コロニー)で覆われている
【0018】
【実施例1〜7、比較例1〜4】
表1に示す水性組成物(湿潤液)を作成し、アクリル極細繊維不織布(商品名:シャレリアC1030 目付30g/m2 旭化成(株)社製)(不織布Aと略する)、ポリプロピレン極細繊維不織布(平均繊維径3μm 目付40g/m2)(不織布Bと略する)、またはコットン系極細繊維不織布(商品名:エスコットファインCO40N/A02 目付40g/m2ユニチカ(株)社製)(不織布Cと略する)に、不織布の100質量部当たり湿潤液が150質量部になるように含浸して本発明または比較例の湿潤ワイパーを得た。得られた湿潤ワイパーを用いて、上記の方法に従い、拭き残り、防腐力、汚れ落ちを評価した。評価結果を表1に示す。
【0019】
【実施例8〜13、比較例5〜8】
表2に示す配合で調製した湿潤液を用いて、不織布の100質量部当たりの湿潤液が200質量部なるように含浸すること以外は、全て、実施例1〜7に準じて、実施例、または比較例の湿潤ワイパーを得た。得られた湿潤ワイパーを用いて、実施例1〜7と同様に評価試験を実施した。評価結果を表2に示す。なお表2において、BS−200Aはケイ・アイ化成(株)製防腐剤、ケーソンWTはローム・アンド・ハース社製防腐剤である。
【0020】
【実施例14〜16、比較例9〜11】
表3に示す配合で調製した艶出し剤を用いて、実施例1〜7に準じて、不織布の100質量部当たりの湿潤液が250質量部になるように含浸して本発明の湿潤ワイパーを得た。得られた湿潤ワイパーを用いて、塗装プレートを拭きあげ艶評価試験他を実施した。評価結果を表3に示す。なお表3において、PROXEL BDNはアビシア(株)製防腐剤である。
【0021】
【表1】
【0022】
【表2】
【0023】
【表3】
【0024】
【発明の効果】
本発明の湿潤ワイパーにより、ガラス、金属、プラスチックス、塗膜等といった表面を拭き残りなく清浄及び/又は艶出しすることが出来る。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a wet wiper used for cleaning and / or polishing various surfaces.
[0002]
[Prior art]
Various wet wipers (also called wet wipers, wet tissues, etc.) are known for cleaning and polishing hard surfaces such as glass, metal, plastics, and coatings having a smooth surface. These wet wipers are made by impregnating a base material such as paper or cloth with a chemical composition prepared by dissolving or dispersing a compounding component consisting of a cleaning agent, a polishing agent, or the like selected according to the application in a medium. It is. The wet wiper is in a wet state by the chemical composition until it is used, and is distinguished from a dry wiper (dry wiper) obtained by removing the medium by drying. The wet wiper is characterized in that when it is used, the object of cleaning and / or glazing can be achieved simply by wiping, and the cleaning operation can be performed very simply.
[0003]
[Problems to be solved by the invention]
In this way, the use of the wet wiper can simplify the work, but on the other hand, the medium is evaporated from the chemical composition that has migrated from the wiper to the hard surface after wiping with the wet wiper. There is a problem that a streak-like or spot-like residue (hereinafter referred to as unwiped residue) is generated. In order to eliminate this wiping residue, various studies have been made on detergents or polishes, but they are still not sufficient. Wipe clean glass, plastic surfaces such as glass windows and glasses for buildings and automobiles, makeup mirrors, painted furniture, refrigerators, automobile bodies, glossy surfaces such as TVs and PC screens, and reflective surfaces. The remaining issues are even more important.
[0004]
[Means for Solving the Problems]
As a result of intensive studies on the wet wiper impregnated with the chemical solution composition (wetting liquid), the present inventor has usually stored the wet wiper together with the main agent such as a cleaning agent and a polish. The present inventors have found that a preservative formulated for the purpose of preventing mold generation in the inside greatly affects the remaining wiping.
[0005]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described in detail.
The kind of the preservative of the present invention depends on the purpose of use of the wet wiper, the condition of the wet wiper base cloth and chemicals, but generally, a preservative that provides a large antiseptic effect even with a small addition amount is used alone or Two or more types can be used in combination.
Specific examples of these preservatives include, for example, isothiazolinone-based compounds such as methylisothiazolinone, chloromethylisothiazolinone and benzisothiazolinone, phenol-based compounds such as bromonitropropanediol and isopropylmethylphenol, and alkylisobromide bromides. Examples include, but are not limited to, quaternary ammonium bromide salts such as norinium, photosensitive element systems such as Photosensitive Element 101, and other silver ions / inorganic systems in which silver ions are supported on an inorganic substance. It is not a thing. When a sufficient preservative effect cannot be obtained by adding a small amount of a single preservative, a plurality of preservatives can be used in combination so that a sufficient effect can be obtained.
[0006]
The ratio of the preservative contained in the wet wiper of the present invention is 0.0005 to 0.05 mass% based on the total amount of the wet wiper. When this value is 0.05% by mass or less, wiping residue can be prevented. Moreover, when it is 0.0005 mass% or more, sufficient antiseptic effect during wet wiper storage can be obtained. As will be described later, when an aqueous composition containing a preservative is used as the pharmaceutical composition, the proportion of the preservative in the aqueous composition is preferably 0.0005 to 0.08% by mass. .
[0007]
The pharmaceutical composition of the present invention includes a detergent such as an organic solvent or a surfactant, a polishing agent such as wax or silicone, an antioxidant, an anti-oxidant, or the like, as long as the effects of the present invention are not impaired. You may mix | blend additives, such as a rust agent, a pH adjuster, and a fragrance | flavor.
[0008]
Among these, as the detergent, for example, polyols such as propylene glycol and glycerol, ethylene glycol monopropyl ether, ethylene glycol monobutyl ether, ethylene glycol monobenzyl ether, propylene glycol monobutyl ether, diethylene glycol monobutyl ether, propylene glycol Glycol ethers such as monobutyl ether, dipropylene glycol monomethyl ether, diethylene glycol dibutyl ether, dipropylene glycol dimethyl ether, alkanolamines such as monoethanolamine, diethanolamine, and triethanolamine, imidazole, pyridine derivatives, and further paraffinic hydrocarbons, Naphthenic hydrocarbon, olefinic hydrocarbon, aroma Petroleum organic solvents such as hydrocarbons, organic solvents such as fatty acid triglycerides such as soybean oil, or a mixture of two or more of them are used. For example, polyoxyethylene alkyl ether, polyoxyethylene polyoxypropylene alkyl ether Nonionic surfactants such as polyoxyethylene fatty acid esters, polyoxyethylene alkylphenol ethers, sorbitan fatty acid esters, polyoxyethylene sorbitan fatty acid esters, sucrose fatty acid esters, alkyldimethylamine oxide, such as alkyl sulfates, polyoxyethylene alkyl ethers Anionic surfactants such as sulfates, alkylbenzene sulfonates, fatty acid salts, cationic surfactants such as long-chain alkyltrimethylammonium chloride, alkyl beties Alone or a mixture of surfactants such as amphoteric surfactants such as are used. An organic solvent and a surfactant can be used in combination. These detergents are used as aqueous solutions or emulsified with water.
[0009]
In addition, as a polishing agent, silicone-based polishing agents such as silicone oil, fluoride-modified silicone oil, amino-modified silicone oil, epoxy-modified silicone oil, alcohol-modified silicone oil, etc., solvent-soluble silicone resin, Examples thereof include wax-type polishes such as carnauba wax, candelilla wax, montan wax, and paraffin wax. These polishing agents are used alone or in the form of an emulsion as a mixture of two or more. Depending on the application, it may be used in combination with a detergent.
[0010]
The wet wiper of the present invention can be produced, for example, by impregnating a fabric with an aqueous composition as a wetting liquid. If the amount of the aqueous composition in the wet wiper is too small relative to the fabric mass, the cleaning and / or glazing effect cannot be exerted, and if the amount of the aqueous composition is too large, it causes only unwiping. In addition, since the production cost is disadvantageous, the total amount of the aqueous composition is preferably 50 to 400 parts by mass, particularly preferably 80 to 300 parts by mass, with respect to 100 parts by mass of the fabric.
[0011]
The fabric used in the above production method is not particularly limited, but hydrophilic fiber systems such as cotton, cotton linter, pulp, rayon, and modified ones such as polyethylene, polypropylene, Hydrophobic fiber systems such as polyester, acrylic and nylon fibers can be mentioned, and these fibers can be used alone or as a mixture. In the present invention, the hydrophilic fiber means one having a moisture content of 5% by mass or more, and the hydrophobic fiber means one having a moisture content of less than 5% by mass. About the kind of cloth and the degree of wiping off of the wet wiper, as a general tendency, there is more wiping remaining in the case of using a hydrophobic fiber-based cloth than in the case of using a hydrophilic fiber-based cloth. There is a tendency. Therefore, the effect of the present invention is particularly remarkable when a hydrophobic fabric is used. In the present invention, the hydrophobic fabric refers to a fabric having a moisture content of less than 5% by mass obtained by blending a small amount of hydrophilic fibers into hydrophobic fibers or hydrophobic fibers. Even when a hydrophobic fabric is used, the amount of wiping residue can be improved to some extent by adding a lower volatile alcohol such as ethyl alcohol or isopropyl alcohol as part of the aqueous composition impregnated into the fabric. Furthermore, since ethyl alcohol and isopropyl alcohol can also be expected to have an effect as a volatile preservative, they are used in the form of alcohol alone or a combination of preservative and alcohol. However, since alcohol is highly volatile, it has a problem of causing an irritating odor during use or causing rough skin by wiping up the oily content of the skin. It is desired to be less than about%. If the prescription of this application is followed, the result which does not need to use alcohol is obtained. Therefore, the effect of the present invention is particularly important in a wet wiper that does not use a lower alcohol when a hydrophobic fabric is used.
[0012]
Since the fabric weight is too thin or too thick to be used, it is preferably used at 10 to 120 g / m 2 , more preferably 15 to 80 g / m 2 . In addition, if the fabric contains 10% by mass or more of ultrafine fibers having a fiber diameter of 10 μm or less, the number of contacts to the hard surface can be increased and the adhesiveness is high. It is preferable also from the point of little. For example, when a stain is not persistent, such as a spectacle lens, a makeup mirror, a screen of a television or a personal computer, an aqueous composition composed only of water and a preservative of 0.08% by mass or less is made of a fine fiber. It was found that the use of a wet wiper impregnated with sapphire achieves sufficient cleaning and is extremely excellent in terms of remaining wiping. Of the fabrics, it is particularly preferable to use a nonwoven fabric because it has high production stability such as dimensions and basis weight, and is excellent in cost.
[0013]
The wet wiper of the present invention cleans and / or polishes various surfaces, in particular, a surface with a hard surface that is easily noticeable, such as furniture and building window glass, vehicle window glass, TV and PC screens, makeup mirrors, It is preferably used for cleaning transparent glass such as eyeglass lenses and plastic surfaces, and for cleaning and / or glazing glossy surfaces such as refrigerators, painted furniture, and automobile bodies.
Examples of the present invention will be described in detail below. The numerical values described in the table are preservatives and other compounding amounts (% by mass) based on the weight of the wet wiper, and the numerical values in parentheses are preservatives based on the aqueous composition impregnated into the fabric. The other compounding amount (mass%) is shown.
[0014]
The performance evaluation test methods performed in the examples and comparative examples are as follows.
In addition,
<Dirt removal evaluation method>
· Examples 1 7 and Comparative Examples 1-4 (Table 1)
Assuming that the glasses were dirty, the evaluation test was performed by the following operation. OA filter eye safety EVF-C1 (manufactured by KOKUYO Co., Ltd.) is thinly spread with artificial dirt. After the surface is dried, the dirt floating on the surface is wiped with a dry cloth, and the OA filter with the dirt fixed is used as the object to be cleaned. The dirt is wiped off with a wet wiper, and the degree of dirt removal is visually determined.
Examples 8 to 13 and Comparative Examples 5 to 8 (Table 2)
Assuming kitchen dirt, an evaluation test was performed by the following operation. An oily model stain is applied to glass, and the glass is uniformly spread, and is left to stand at room temperature after heat treatment (120 ° C. for 1 hour). The dirt is wiped off with a wet wiper, and the degree of dirt removal is visually determined. The evaluation criteria are as follows.
〇 Virtually no artificial dirt remains on the object to be cleaned.
Δ: Artificial dirt slightly remains on the object to be cleaned.
× Artificial dirt remains on the object to be cleaned.
[0015]
<Gloss evaluation method>
JIS. G. The surface of 3141 (SPCC.SD) 5φ cationic electrodeposition coating is wiped with a wet wiper, and the degree of gloss is visually determined.
The evaluation criteria are as follows.
〇 Glossy × Glossy [0016]
<Wipe remaining evaluation method>
After wiping with a wet wiper a product prepared in the same manner as the stain removal evaluation or gloss evaluation, the remaining wiping is visually evaluated.
The evaluation criteria are as follows.
○ No wiping residue is observed. △ Although there is no problem, the wiping residue is observed slightly. × The wiping residue is observed.
[0017]
<Method for evaluating antiseptic power>
A test piece is cut into 4 × 4 cm, closely adhered to a Sabouraud agar medium (Nissui Pharmaceutical), 1 ml of a spore (or fungus suspension) suspension is dropped, and the mixture is spread with a conage rod and cultured. The culture time is determined at 25 ° C. for 2 weeks (in the case of bacteria, 2 days at 37 ° C.).
The evaluation criteria are as follows.
〇 No spore (colony) on the test piece △ Less than 1/3 of the test piece is covered with spore (colony) × 1/3 or more of the test piece is covered with spore (colony) [0018]
[Example 1-7, Comparative Example 1-4]
An aqueous composition (wetting liquid) shown in Table 1 was prepared, and an acrylic extra-fine fiber nonwoven fabric (trade name: Charelia C1030 per unit area 30 g / m 2 manufactured by Asahi Kasei Co., Ltd.) (abbreviated as non-woven fabric A), polypropylene extra-fine fiber nonwoven fabric ( Average fiber diameter 3 μm, basis weight 40 g / m 2 ) (abbreviated as nonwoven fabric B), or cotton-based ultrafine fiber nonwoven fabric (trade name: Escot Fine CO40N / A02, basis weight 40 g / m 2 manufactured by Unitika Ltd.) (abbreviated as nonwoven fabric C) The wet wiper of the present invention or the comparative example was obtained by impregnating the nonwoven fabric so that the wetting liquid was 150 parts by mass per 100 parts by mass of the nonwoven fabric. Using the obtained wet wiper, wiping residue, antiseptic power, and dirt removal were evaluated according to the above methods. The evaluation results are shown in Table 1.
[0019]
[Examples 8 to 13 , Comparative Examples 5 to 8 ]
Except for impregnating so that the wetting liquid per 100 parts by mass of the nonwoven fabric is 200 parts by mass using the wetting liquid prepared in the formulation shown in Table 2, all the examples according to Examples 1 to 7 , Or the wet wiper of the comparative example was obtained. An evaluation test was performed in the same manner as in Examples 1 to 7 using the obtained wet wiper. The evaluation results are shown in Table 2. In Table 2, BS-200A is a preservative manufactured by KAI Kasei Co., Ltd., and Caisson WT is a preservative manufactured by Rohm and Haas.
[0020]
EXAMPLES 14-16 and Comparative Examples 9-11]
The wet wiper of the present invention was impregnated with a polishing agent prepared according to the formulation shown in Table 3 in accordance with Examples 1 to 7 so that the wetting liquid per 100 parts by mass of the nonwoven fabric was 250 parts by mass. Obtained. Using the obtained wet wiper, the paint plate was wiped off and a gloss evaluation test and the like were performed. The evaluation results are shown in Table 3. In Table 3, PROXEL BDN is a preservative manufactured by Avicia Co., Ltd.
[0021]
[Table 1]
[0022]
[Table 2]
[0023]
[Table 3]
[0024]
【The invention's effect】
With the wet wiper of the present invention, it is possible to clean and / or polish the surface of glass, metal, plastics, coating film, etc. without wiping.
Claims (10)
Priority Applications (1)
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JP2001385682A JP4043011B2 (en) | 2001-12-19 | 2001-12-19 | Wet wiper |
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JP2001385682A JP4043011B2 (en) | 2001-12-19 | 2001-12-19 | Wet wiper |
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JP4043011B2 true JP4043011B2 (en) | 2008-02-06 |
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JP6961777B1 (en) * | 2020-09-29 | 2021-11-05 | 株式会社Adeka | Cleaning sheet |
JP7018150B1 (en) | 2021-02-03 | 2022-02-09 | 株式会社Adeka | Cleaning sheet |
CN113481658A (en) * | 2021-05-27 | 2021-10-08 | 浙江工商大学 | Nano electrostatic spinning food preservative film mediated by butyl caffeate and endogenous NO type chitosan and preparation method and application thereof |
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