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JP3859745B2 - Bleach composition - Google Patents

Bleach composition Download PDF

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Publication number
JP3859745B2
JP3859745B2 JP15785295A JP15785295A JP3859745B2 JP 3859745 B2 JP3859745 B2 JP 3859745B2 JP 15785295 A JP15785295 A JP 15785295A JP 15785295 A JP15785295 A JP 15785295A JP 3859745 B2 JP3859745 B2 JP 3859745B2
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JP
Japan
Prior art keywords
bleaching
hydrogen peroxide
aqueous solution
alkali
mold
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
Application number
JP15785295A
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Japanese (ja)
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JPH093495A (en
Inventor
恒雄 小林
正仁 三上
収三 中村
育久 栗山
純 国分
恭郎 廣
佳子 辻
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Mitsubishi Gas Chemical Co Inc
Original Assignee
Mitsubishi Gas Chemical Co Inc
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Filing date
Publication date
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Priority to JP15785295A priority Critical patent/JP3859745B2/en
Priority to PCT/JP1996/001679 priority patent/WO1997000933A1/en
Priority to KR1019970709612A priority patent/KR100429339B1/en
Priority to AU61368/96A priority patent/AU6136896A/en
Priority to ZA965236A priority patent/ZA965236B/en
Priority to ARP960103281A priority patent/AR002575A1/en
Publication of JPH093495A publication Critical patent/JPH093495A/en
Application granted granted Critical
Publication of JP3859745B2 publication Critical patent/JP3859745B2/en
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Classifications

    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/39Organic or inorganic per-compounds
    • C11D3/3947Liquid compositions
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/395Bleaching agents
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/39Organic or inorganic per-compounds
    • C11D3/3902Organic or inorganic per-compounds combined with specific additives
    • C11D3/3905Bleach activators or bleach catalysts
    • C11D3/3907Organic compounds
    • C11D3/3917Nitrogen-containing compounds

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Detergent Compositions (AREA)

Description

【0001】
【産業上の利用分野】
本発明は、漂白力に優れた過酸化水素系漂白剤組成物に関する。本発明の漂白剤組成物は洗浄、漂白、消毒殺菌、脱臭等、特にかびの除去及び漂白に好適に使用される。
【0002】
【従来の技術】
漂白剤及びカビ取り剤は、塩素系漂白剤と過酸化物系漂白剤に分けられる。次亜塩素酸ソーダを主成分とする塩素系は、その漂白力が強いことから衣類の漂白や住居の壁や家具についたカビを漂白するために使用されている。しかし、塩素系は漂白力は優れているものの、衣類を変色させるために色柄物に不適当なことや、分子状塩素による特有の臭気を発生して使用者に不快感を与え、また、使用方法を誤れば塩素ガスによる中毒の危険があるという欠点がある。
一方、過酸化物系は塩素系と比べ漂白剤としての使用範囲が広いことや、不快臭がないことなどでその使用量は家庭用を中心に増加してきている。しかし、過酸化物は単独では塩素系漂白剤と比べその漂白力は劣り、低温での衣料の漂白や住居の家具や壁、特に流し台、浴室の壁や天井やタイル目地についたカビ等を漂白するには漂白力が不十分であった。
このため従来から過酸化水素、炭酸ソーダ過酸化水素付加物、過ほう酸ソーダ等の過酸化物にテトラアセチルエチレンジアミン(TAED)、テトラアセチルグリコールウリル(TAGU)等のN−アシル化合物やグルコースペンタアセテート、サッカロースオクタアセテート等のエステル類を併用することで漂白力を向上させることが行われている。また、過酸化物の漂白力を向上させる活性化剤としてニトリル化合物も種々提案されている。例えば、イギリス特許第802035号には種々のニトリルが、またアメリカ特許第3882035号にはイミノジアセトニトリルが、特開昭52−52880号公報にはp−クロロベンゾイルシアナミドがそれぞれ漂白活性化剤として有用であるとの提案がなされている。しかしながら、これらの活性化剤を過酸化物に組み合わせても、衣類の漂白作用は低温では十分でなく、また住居のカビの漂白作用が不十分である。しかも、汎用されているTAED等のアセチルアミド化合物やグルコースペンタアセテート等のアセチルエステル類は、過酸化水素と反応して過酢酸が生成することから特有の臭気を発生するという欠点がある。
【0003】
【発明が解決しようとする課題】
本発明の目的は、衣類等の漂白に優れた効果を持つと共に、住居の壁や家具に発生したカビに対して優れた漂白力を持ち、しかも臭気のない漂白剤組成物を提供することである。
【0004】
【課題を解決するための手段】
本発明者らは上記課題に対し鋭意検討を行った結果、過酸化水素あるいは水溶液中で過酸化水素を生成する過酸化物とジシアナミドあるいはそのアルカリ金属塩またはアンモニウム塩より選ばれた化合物、およびアルカリ剤またはアルカリビルダーから成り、溶解した時の溶液のpHが7.5以上となる組成物が、衣類の漂白や住居の壁等に発生するカビに対して非常に高い漂白力を持ち、しかも刺激臭が無いことを見いだし、本発明を完成させた。
即ち本発明は、(A)過酸化水素あるいは過酸化水素を生成する過酸化物と(B)ジシアナミドあるいはそのアルカリ金属塩またはそのアンモニウム塩より選ばれた化合物(C)アルカリ剤あるいはアルカリビルダーからなり、且つ(A)と(B)と(C)の混合水溶液のpHが7.5以上であることを特徴とする漂白剤組成物である。
(A)過酸化水素あるいは過酸化水素を生成する過酸化物としては、市販されている過酸化水素水溶液及び炭酸ソーダと過酸化水素がモル比2:3で付加した炭酸ソーダ過酸化水素付加物、過ほう酸ソーダ水和物、過ほう酸ソーダ四水和物等が使用される。
(B)ジシアナミドあるいはそのアルカリ金属塩またはそのアンモニウム塩より選ばれた化合物(以下ジシアナミド系化合物と称す)は固体叉はアルカリ性の水溶液として使用され、アルカリ金属塩としてはナトリウム、カリウム塩等が好適である。
(C)アルカリ剤あるいはアルカリビルダーとしては、アルカリ金属水酸化物、アミノカルボン酸型ビルダー、オキシカルボン酸型ビルダー、ホスホン酸型ビルダー、アクリル酸塩−ビニルスルホン酸塩等の高分子量型ビルダー、リン酸塩系ビルダー、ケイ酸塩系ビルダー、硼酸塩系ビルダー、炭酸塩系ビルダー等の既に公知のアルカリ剤およびアルカリビルダーが使用され、その中でもケイ酸塩系ビルダーがより好ましい。
本発明の漂白剤組成物は(A)過酸化水素あるいは過酸化水素を生成する過酸化物、(B)ジシアナミド系化合物(C)アルカリ剤あるいはアルカリビルダーをそれぞれ漂白対象物にふりかけて使用しても良い。また洗濯の際に洗剤と一緒に用いても良い。さらに、(A)過酸化水素あるいは過酸化水素を生成する過酸化物と(B)ジシアナミド系化合物(C)アルカリ剤あるいはアルカリビルダーをを予め水に溶解して用いても良い。
本発明の漂白剤の使用にあたっては、予め混合した水溶液として使用することが漂白作業を容易に行うために好ましい。その場合の過酸化水素含有量は、0.5−60重量%であり、好ましくは0.5−10重量%、更に好ましくは1−6重量%である。含有量がこの範囲より少ないと漂白力が低く、この範囲より多いと取り扱いが難しくなる。また(B)ジシアナミド系化合物の含有量は0.2−30重量%であり好ましくは0.5−10重量%、更に好ましくは0.5−5重量%である。さらに(C)アルカリ剤あるいはアルカリビルダーを(A)と(B)との混合水溶液のpHが7.5以上、好ましくは9−13の範囲となるように配合する。
本発明の漂白剤組成物をカビ取り用組成物として使用する場合には、このような予め混合した水溶液として使用することが作業を容易に行うために好ましいが、それぞれの原料を単独又は組み合わせて準備し、使用する直前に水溶液に溶かして使用する事も出来る。
本発明の漂白剤組成物には必要に応じて界面活性剤、有機あるいは無機ビルダー、アルカリ剤、ハイドロトロープ剤、溶剤、香料、研磨剤、過酸化水素安定化剤等の既に公知の洗浄剤、漂白剤成分を配合することが出来る。また、漂白剤組成物の粘度を高め、天井面、垂直面あるいは傾斜した面に塗布した場合に液のたれ落ちを少なくする目的でアクリル酸誘導体ポリマー、セルロース誘導体等の合成、半合成高分子、ザンタンガム等の天然高分子、ビーガム、アルミナゾル等の無機系増粘剤等の増粘剤を添加する事が出来る。
【0005】
【実施例】
以下、実施例と比較例を示すことにより本発明を具体的に説明する。また、本発明は、以下の実施例に制限されるものではない。
尚、実施例及び比較例で得られた漂白剤組成物は下記の試験方法により実施した。
1.漂白試験方法及び評価方法
1)標準汚染布
漂白試験には、EMPA#115漂白試験用汚染布を用いた。そのEMPA汚染布を10cmx10cmに裁断し、漂白試験に供する。
2)漂白試験方法
ビーカーに漂白剤組成物を20グラム入れ、これにEMPA汚染布1枚を浸漬し10分間放置する。その後汚染布を取り出し、水道水で十分すすぎ乾燥する。
3)評価方法
上記の方法により処理した試験布を目視により以下の四段階に判定する
漂白度IV :殆ど漂白された
漂白度III :程度漂白された
漂白度II :殆ど漂白されない
漂白度I :全く漂白されない
2.カビ汚れ除去実験の試験方法及び評価方法
1)カビの培養方法
蒸気滅菌した寒天培地を滅菌シャーレに移し、その寒天培地に黒カビ(Aureo−basidium pullulans:IFO6353、IAM F−24)を移植した後、35℃のインキュベーター中に30日間入れ培養する。
2)カビ汚れ除去試験方法
黒カビの生育した寒天培地に一定の長さに切断したガラス管を刺し込み、ガラス管の内側に漂白剤組成物を入れ30分放置後、黒カビ汚れの除去の程度を評価した。
3)評価方法
上記の方法により処理したカビ表面を目視により以下の四段階に判定する。
カビ汚れ除去程度IV :殆ど除去された
カビ汚れ除去程度III :ある程度除去された
カビ汚れ除去程度II :殆ど除去されない
カビ汚れ除去程度I :全く除去されない
【0006】
〔実施例1−7及び比較例1−3〕
(A)過酸化水素濃度が1.0−20.0重量%、(B)表1、表2に示すジシアナミド系化合物を1.0−10.0重量%を水に溶解して、それぞれ各混合水溶液のpHを水酸化ナトリウムを用いてpH7.0から10.5に調整した漂白剤組成物を調製した。これらの組成物をEMPA#115標準汚染布、およびカビ汚れを用いて漂白効果とカビ汚れ除去効果を比較し、結果を表1、表2に示す。
【0007】
【表1】

Figure 0003859745
【0008】
〔実施例10−18及び比較例4−6〕
(A)過酸化水素濃度が1.0−20.0重量%、(B)表3、表4に示すジシアナミド系化合物を1.0−10.0重量%を水に溶解して、それぞれ各混合水溶液のpHをオルソケイ酸ナトリウムを用いてpH7.0から10.5に調整した漂白剤組成物を調製した。これらの組成物をEMPA#115標準汚染布、およびカビ汚れを用いて漂白効果とカビ汚れ除去効果を比較し、表3、表4に示す。
【0009】
【表2】
Figure 0003859745
【0010】
〔実施例19−22、比較例7−9〕
過酸化水素を炭酸ソーダ過酸化水素付加物叉は過ほう酸ソーダ水和物に変更して漂白剤組成物を調整した。炭酸ソーダ過酸化水素付加物又は過ほう酸ソーダ−水和物の使用量は、含まれる過酸化水素量で表した。得られた漂白剤組成物を使用して行ったEMPA汚染布漂白試験およびカビ汚れ除去試験の結果を表5に示す。
【0011】
【表3】
Figure 0003859745
【0012】
表1から表5の結果より、過酸化水素、または炭酸ソーダ過酸化水素付加物、または過ほう酸ソーダ水和物とジシアナミド系化合物を両者とも含み、且つその混合水溶液のpHが7.5以上となるように調製されたものは、いずれも漂白効果、カビ汚れ除去効果に優れており、これに対し、過酸化水素、または炭酸ソーダ過酸化水素付加物、または過ほう酸ソーダ水和物とジシアナミド系化合物のいずれか一方を含まない物、又は両者を含んでいてもその混合水溶液のpHが7.5未満である比較例は、いずれも漂白効果、カビ汚れ除去効果が殆どないか全くない。
pH調整剤として用いるアルカリ剤は、表1、表2で使用したアルカリ金属水酸化物に比べ、表3、表4、表5で用いたアルカリビルダーが漂白効果およびカビ汚れ除去効果において、ともにより優れており、アルカリ剤としてアルカリビルダーを使用する事がより好ましい。[0001]
[Industrial application fields]
The present invention relates to a hydrogen peroxide-based bleach composition having excellent bleaching power. The bleaching composition of the present invention is suitably used for washing, bleaching, disinfection sterilization, deodorization, etc., particularly for removing mold and bleaching.
[0002]
[Prior art]
Bleaching agents and mold removers are classified into chlorine bleaches and peroxide bleaches. Chlorine based on sodium hypochlorite is used for bleaching clothing and molds on the walls and furniture of houses because of its strong bleaching power. However, although the chlorine system is excellent in bleaching power, it is unsuitable for colored fabrics to discolor clothing, and it generates unpleasant odors due to molecular chlorine, causing discomfort to the user. If the method is wrong, there is a disadvantage that there is a danger of poisoning by chlorine gas.
On the other hand, peroxides have been used mainly for home use because they have a wider range of use as bleaching agents than chlorine and have no unpleasant odor. However, peroxide alone is inferior in bleaching power compared to chlorinated bleach, bleaching clothing at low temperatures, and furniture and walls in homes, especially sinks, bathroom walls, ceilings and tile joints. The bleaching power was insufficient.
For this reason, N-acyl compounds such as tetraacetylethylenediamine (TAED) and tetraacetylglycoluril (TAGU), glucose pentaacetate, peroxides such as hydrogen peroxide, sodium carbonate hydrogen peroxide adduct and sodium perborate have been conventionally used. Bleaching power is improved by using esters such as saccharose octaacetate in combination. Various nitrile compounds have also been proposed as activators for improving the bleaching power of peroxides. For example, British Patent No. 802035 uses various nitriles, US Pat. No. 3,882,035 uses iminodiacetonitrile, and JP-A-52-52880 uses p-chlorobenzoylcyanamide as a bleach activator. A proposal has been made. However, even when these activators are combined with peroxides, the bleaching action of clothing is not sufficient at low temperatures, and the bleaching action of residential mold is insufficient. Moreover, acetylamide compounds such as TAED and acetyl esters such as glucose pentaacetate, which are widely used, have the disadvantage of producing a specific odor because they react with hydrogen peroxide to produce peracetic acid.
[0003]
[Problems to be solved by the invention]
An object of the present invention is to provide a bleaching composition that has an excellent effect on bleaching of clothing and the like, has an excellent bleaching power against mold generated on a wall and furniture of a house, and has no odor. is there.
[0004]
[Means for Solving the Problems]
As a result of intensive studies on the above problems, the present inventors have found that a peroxide selected from hydrogen peroxide or hydrogen peroxide in an aqueous solution and a dicyanamide or an alkali metal salt or ammonium salt thereof, and an alkali A composition consisting of a chemical agent or an alkali builder, which has a pH of 7.5 or higher when dissolved, has a very high bleaching power and irritation against mold generated on clothing bleaching and residential walls. It was found that there was no odor, and the present invention was completed.
That is, the present invention comprises (A) hydrogen peroxide or a peroxide that generates hydrogen peroxide and (B) a compound selected from dicyanamide, an alkali metal salt thereof or an ammonium salt thereof (C) an alkali agent or an alkali builder. And the pH of the mixed aqueous solution of (A), (B), and (C) is 7.5 or more, It is a bleaching composition characterized by the above-mentioned.
(A) Hydrogen peroxide or a peroxide that generates hydrogen peroxide includes a commercially available aqueous hydrogen peroxide solution and sodium carbonate hydrogen peroxide adduct obtained by adding sodium carbonate and hydrogen peroxide in a molar ratio of 2: 3. Sodium perborate hydrate, sodium perborate tetrahydrate and the like are used.
(B) A compound selected from dicyanamide or an alkali metal salt thereof or an ammonium salt thereof (hereinafter referred to as a dicyanamide compound) is used as a solid or alkaline aqueous solution, and sodium, potassium salts, etc. are suitable as the alkali metal salt. is there.
(C) Alkali agents or alkali builders include alkali metal hydroxides, aminocarboxylic acid type builders, oxycarboxylic acid type builders, phosphonic acid type builders, high molecular weight builders such as acrylate-vinyl sulfonate, phosphorus Alkali agents and alkali builders that are already known, such as acid salt builders, silicate based builders, borate based builders, and carbonate based builders, are used, and among them, silicate based builders are more preferable.
The bleaching composition of the present invention uses (A) hydrogen peroxide or a peroxide that generates hydrogen peroxide, (B) a dicyanamide-based compound (C) an alkali agent, or an alkali builder, sprinkled on the object to be bleached. Also good. Further, it may be used together with a detergent when washing. Furthermore, (A) hydrogen peroxide or a peroxide that generates hydrogen peroxide and (B) a dicyanamide compound (C) an alkali agent or an alkali builder may be used by dissolving them in water in advance.
In using the bleaching agent of the present invention, it is preferable to use it as a premixed aqueous solution in order to easily perform the bleaching operation. In this case, the hydrogen peroxide content is 0.5-60% by weight, preferably 0.5-10% by weight, more preferably 1-6% by weight. If the content is less than this range, the bleaching power is low, and if it is more than this range, handling becomes difficult. Further, the content of (B) dicyanamide compound is 0.2-30 wt%, preferably 0.5-10 wt%, more preferably 0.5-5 wt%. Further, (C) an alkali agent or an alkali builder is blended so that the pH of the mixed aqueous solution of (A) and (B) is 7.5 or more, preferably 9-13.
When using the bleaching composition of the present invention as a mold removal composition, it is preferable to use such a premixed aqueous solution in order to facilitate the work, but the respective raw materials are used alone or in combination. It can be prepared and dissolved in an aqueous solution just before use.
As necessary, the bleaching composition of the present invention includes surfactants, organic or inorganic builders, alkaline agents, hydrotropes, solvents, fragrances, abrasives, hydrogen peroxide stabilizers and other known cleaning agents, A bleach component can be blended. Also, for the purpose of increasing the viscosity of the bleaching composition and reducing the dripping of the liquid when applied to the ceiling surface, vertical surface or inclined surface, synthesis of acrylic acid derivative polymer, cellulose derivative, etc., semi-synthetic polymer, Thickeners such as natural polymers such as xanthan gum, inorganic thickeners such as bee gum and alumina sol can be added.
[0005]
【Example】
Hereinafter, the present invention will be specifically described by showing examples and comparative examples. Further, the present invention is not limited to the following examples.
In addition, the bleaching agent composition obtained by the Example and the comparative example was implemented with the following test method.
1. Bleaching test method and evaluation method 1) Standard soiled cloth For the bleaching test, a soiled cloth for EMPA # 115 bleaching test was used. The EMPA-stained fabric is cut to 10 cm × 10 cm and subjected to a bleaching test.
2) Bleach test method 20 grams of the bleach composition is placed in a beaker, and an EMPA-contaminated cloth is immersed in the beaker and left for 10 minutes. Then remove the contaminated cloth and rinse thoroughly with tap water.
3) Evaluation method The test cloth treated by the above-mentioned method is visually judged in the following four stages. Degree of bleaching IV: almost bleached bleaching degree III: degree bleached bleaching degree II: almost unbleached bleaching degree I: no 1. not bleached Test method and evaluation method of fungal soil removal experiment 1) Mold culture method After steam-sterilized agar medium was transferred to a sterile petri dish and black mold (Aureo-basidium pullulans: IFO6353, IAM F-24) was transplanted to the agar medium, Place in an incubator at 35 ° C for 30 days and culture.
2) Mold stain removal test method Insert a glass tube cut to a certain length into an agar medium where black mold is grown, leave the bleach composition inside the glass tube and leave it for 30 minutes. evaluated.
3) Evaluation method The mold surface treated by the above method is visually determined in the following four stages.
Mold stain removal degree IV: Almost removed mold stain removal degree III: Mold stain removal degree removed to some extent II: Mold soil removal degree hardly removed I: Not removed at all [0006]
[Example 1-7 and Comparative Example 1-3]
(A) Hydrogen peroxide concentration is 1.0-20.0 wt%, (B) 1.0-10.0 wt% of the dicyanamide compound shown in Tables 1 and 2 is dissolved in water, A bleaching composition was prepared by adjusting the pH of the mixed aqueous solution to pH 7.0 to 10.5 using sodium hydroxide. These compositions were compared for bleaching effect and mold stain removal effect using EMPA # 115 standard stain cloth and mold stain, and the results are shown in Tables 1 and 2.
[0007]
[Table 1]
Figure 0003859745
[0008]
[Examples 10-18 and Comparative Example 4-6]
(A) Hydrogen peroxide concentration is 1.0-20.0% by weight, (B) 1.0 to 10.0% by weight of the dicyanamide compound shown in Tables 3 and 4 is dissolved in water, respectively. A bleaching composition in which the pH of the mixed aqueous solution was adjusted to pH 7.0 to 10.5 using sodium orthosilicate was prepared. Tables 3 and 4 show the comparison of the bleaching effect and the mold stain removal effect of these compositions using EMPA # 115 standard soiled cloth and mold stain.
[0009]
[Table 2]
Figure 0003859745
[0010]
[Examples 19-22 and Comparative Examples 7-9]
The bleach composition was prepared by changing hydrogen peroxide to sodium carbonate hydrogen peroxide adduct or sodium perborate hydrate. The amount of sodium carbonate hydrogen peroxide adduct or sodium perborate hydrate used was represented by the amount of hydrogen peroxide contained. Table 5 shows the results of the EMPA-stained fabric bleaching test and the mold stain removal test conducted using the resulting bleaching composition.
[0011]
[Table 3]
Figure 0003859745
[0012]
From the results of Tables 1 to 5, hydrogen peroxide, sodium carbonate hydrogen peroxide adduct, or sodium perborate hydrate and dicyanamide compound are both included, and the pH of the mixed aqueous solution is 7.5 or more. Those prepared so as to be excellent in bleaching effect and mold stain removal effect, in contrast to hydrogen peroxide, sodium carbonate hydrogen peroxide adduct, or sodium perborate hydrate and dicyanamide The comparative example in which the pH of the mixed aqueous solution containing either one of the compounds or both of them is less than 7.5 has little or no bleaching effect and mold stain removing effect.
The alkaline agent used as the pH adjuster is more effective in the bleaching effect and mold stain removing effect of the alkali builder used in Tables 3, 4 and 5 than the alkali metal hydroxides used in Tables 1 and 2. It is excellent and it is more preferable to use an alkali builder as an alkaline agent.

Claims (3)

(A)過酸化水素または水溶液中で過酸化水素を生成する過酸化物、(B)ジシアナミドあるいはそのアルカリ金属塩またはそのアンモニウム塩より選ばれた化合物からなり、且つ(A)と(B)との混合水溶液がpH7.5以上である漂白剤組成物。(A) hydrogen peroxide or a peroxide that generates hydrogen peroxide in an aqueous solution, (B) a compound selected from dicyanamide, an alkali metal salt thereof, or an ammonium salt thereof, and (A) and (B) A bleaching composition having a mixed aqueous solution of pH 7.5 or higher. (A)過酸化水素または水溶液中で過酸化水素を生成する過酸化物の含有量が過酸化水素として0.5−60重量%(B)ジシアナミドあるいはそのアルカリ金属塩またはアンモニウム塩より選ばれた化合物の含有量が0.2−30重量%からなり、且つ(A)と(B)との混合水溶液のpHが7.5以上である漂白剤組成物。(A) Hydrogen peroxide or the content of peroxide that generates hydrogen peroxide in an aqueous solution was selected as hydrogen peroxide from 0.5 to 60% by weight (B) dicyanamide or its alkali metal salt or ammonium salt A bleaching composition in which the content of the compound is 0.2 to 30% by weight and the pH of the mixed aqueous solution of (A) and (B) is 7.5 or more. (A)過酸化水素または水溶液中で過酸化水素を生成する過酸化物、(B)ジシアナミドあるいはそのアルカリ金属塩またはそのアンモニウム塩より選ばれた化合物、(C)アルカリ剤あるいはアルカリビルダーの組み合わせからなり、且つ(A)と(B)と(C)との混合水溶液がpH7.5以上である漂白剤組成物。(A) Hydrogen peroxide or a peroxide that generates hydrogen peroxide in an aqueous solution, (B) a compound selected from dicyanamide or its alkali metal salt or its ammonium salt, and (C) a combination of an alkali agent or an alkali builder A bleaching composition comprising a mixed aqueous solution of (A), (B) and (C) having a pH of 7.5 or more.
JP15785295A 1995-06-23 1995-06-23 Bleach composition Expired - Lifetime JP3859745B2 (en)

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JP15785295A JP3859745B2 (en) 1995-06-23 1995-06-23 Bleach composition
PCT/JP1996/001679 WO1997000933A1 (en) 1995-06-23 1996-06-19 Bleaching composition
KR1019970709612A KR100429339B1 (en) 1995-06-23 1996-06-19 Bleaching Composition
AU61368/96A AU6136896A (en) 1995-06-23 1996-06-19 Bleaching composition
ZA965236A ZA965236B (en) 1995-06-23 1996-06-20 Bleaching composition
ARP960103281A AR002575A1 (en) 1995-06-23 1996-06-21 WHITENING COMPOSITION OF THE HYDROGEN PEROXIDE TYPE.

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DE2047289B2 (en) * 1970-09-25 1974-07-25 Basf Ag, 6700 Ludwigshafen Aqueous bleaching liquor
FR2340371A1 (en) * 1976-02-09 1977-09-02 Shell Int Research PROCESS FOR ACTIVATION OF BLEACHING AGENTS BASED ON PEROXIDES AND BLEACHING AND WASHING COMPOSITIONS
US4025453A (en) * 1976-02-09 1977-05-24 Shell Oil Company Activated bleaching process and compositions therefor
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