JP3859778B2 - Bleach composition - Google Patents

Bleach composition Download PDF

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Publication number
JP3859778B2
JP3859778B2 JP21873896A JP21873896A JP3859778B2 JP 3859778 B2 JP3859778 B2 JP 3859778B2 JP 21873896 A JP21873896 A JP 21873896A JP 21873896 A JP21873896 A JP 21873896A JP 3859778 B2 JP3859778 B2 JP 3859778B2
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Japan
Prior art keywords
component
group
hydrogen peroxide
bleaching
aqueous solution
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JP21873896A
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Japanese (ja)
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JPH1060489A (en
Inventor
恒雄 小林
正仁 三上
留美 高野
育久 栗山
純 国分
恭郎 廣
佳子 辻
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Mitsubishi Gas Chemical Co Inc
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Mitsubishi Gas Chemical Co Inc
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Priority to JP21873896A priority Critical patent/JP3859778B2/en
Priority to PCT/JP1997/002838 priority patent/WO1998007826A2/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
    • C11D3/3902Organic or inorganic per-compounds combined with specific additives
    • C11D3/3905Bleach activators or bleach catalysts
    • C11D3/3907Organic compounds
    • C11D3/3917Nitrogen-containing compounds
    • C11D3/3922Cyanamides

Description

【0001】
【発明の属する技術分野】
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、脱臭等の目的に使用され、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あるいは住居の壁や家具についたカビの漂白に使用されている。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の漂白には不適当であり、また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、更に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。
【0003】
一方、過酸化物系は塩素系と比べて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から、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て漂白力が劣り、低温での衣料の漂白、あるいは住居の家具や壁、特に流し台や浴室の壁、天井もしくは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る。
【0004】
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により、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。
【0005】
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も不十分である。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。
【0006】
【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。
【0007】
【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、(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と、(B)ジシアンジアミド誘導体の少なくとも1種類以上とからなり、且つ成分(A)と成分(B)との混合水溶液のpH値が7.5以上となる漂白剤組成物が、衣類の漂白や住居の壁等に発生するカビの漂白に対して非常に高い活性を持ち、しかも刺激臭が無いことを見いだして、本発明を完成させた。
【0008】
【発明の実施の形態】
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、あるいは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。
【0009】
一方、ジシアンジアミド誘導体は次の化学構造式(1)で表される。
【化1】

Figure 0003859778
上記式中、R及びR’は、H、又は置換基を有していてもよい炭素数1乃至12のアルキル基もしくはアリール基(ここで置換基とは水酸基、スルホン基、カルボキシル基、硫酸エステル基をいう。)であるが、但しR及びR’が同時にHになる場合を除く。例えば、N−エチルジシアンジアミド、N,N−ジメチルジシアンジアミド、N−p−スルホフェニルジシアンジアミド、N−p−ヒドロキシフェニルジシアンジアミド、N−p−カルボキシエチルジシアンジアミド等が挙げられる。また、R及びR’は互いに結合して5乃至6員環を形成してもよい(例えばN,N−シクロペンタメチレンジシアンジアミド)。この場合、OまたはNといったヘテロ原子を含有する5乃至6員環を形成してもよい(例えばN,N−シクロペンタ−4’−オキサ−メチレンジシアンジアミド)。更に、R及びR’は2分子のジシアンジアミドにまたがった形すなわち2つのシアノグアニジル基を繋ぐ形のアルキレン基であってもよい(例えばN,N’−エチレン−ビス−ジシアンジアミド)。上記ジシアンジアミド誘導体の製造方法は一般に知られており、例えば、米国特許第2,455,807号(1948)に記載されている。
【0010】
上記成分(A)と成分(B)はpH7.5以上、好ましくはpH9乃至13の混合水溶液にして使用される。pH7.5以上の混合水溶液にするためには、通常、苛性ソーダ、苛性カリ等のアルカリ金属水酸化物やオルトケイ酸ソーダ等のアルカリ剤を用いるが、場合によっては塩酸等の酸でpH調整することもある。アルカリ剤としては、上記アルカリ金属水酸化物等の他にも、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公知のアルカリビルダーを使用してもよく、その中でもケイ酸塩系ビルダーが好ましい。
【0011】
本発明の漂白剤組成物を使用するには、成分(A)の過酸化水素あるいは過酸化水素を生成する過酸化物、及び成分(B)のジシアンジアミド誘導体、更に必要に応じ第3の成分(C)として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も良いし、また洗濯の際にこれらを洗剤と一緒に用いても良い。しかしながら、上記成分(A)及び成分(B)更に必要に応じて成分(C)を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乃至60重量%、好ましくは0.5乃至10重量%、更に好ましくは1乃至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、ジシアンジアミド誘導体の含有量は、0.2乃至30重量%、好ましくは0.5乃至10重量%、更に好ましくは0.5乃至5重量%である。混合水溶液のpHが7.5以上、好ましくは9乃至13の範囲となるように、必要に応じアルカリ剤あるいはアルカリビルダーを配合する。なお、それぞれの成分を単独又は組み合わせて用意し、使用する直前に水に溶かして水溶液またはスラリーを調製してもよい。
【0012】
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、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、既に公知の洗浄剤あるいは漂白剤成分を配合することができる。また、必要に応じて、ジシアンジアミド、シアノ尿素、ジシアノアミン塩、シアナミド塩等と併用することもできる。更に、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もしくは半合成高分子、ザンタンガム等の天然高分子、ガーガム、アルミナゾル等の無機系増粘剤等の各種増粘剤を添加することもできる。
【0013】
【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。但し、本発明は、以下の実施例により限定されるものではない。
【0014】
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評価した。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10cm×10cmに裁断し、漂白試験に供する。
2)漂白試験方法
ビーカーに漂白組成物を20グラム入れ、これにEMPA汚染布1枚を浸漬して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 :ある程度漂白された
漂白度II :殆ど漂白されない
漂白度I :全く漂白されない
【0015】
2.カビ汚れ除去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、28℃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
【0016】
実施例1−9及び比較例1−3
過酸化水素濃度が1.0乃至20.0重量%、ジシアンジアミド誘導体濃度が1.0乃至10.0重量%となるように水に溶解して混合水溶液とし、それぞれのpHを水酸化ナトリウムあるいは希塩酸を用いて7.0乃至10.5に調整して、漂白剤組成物を調製した。これらの各組成物について、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評価した。結果を表1及び表2に示す。なお、以下の表において、各成分の含有量を表す数値はいずれも重量%である。
【表1】
実施例1−6
Figure 0003859778
【表2】
実施例7−9及び比較例1−3
Figure 0003859778
【0017】
実施例10−19及び比較例4−6
過酸化水素濃度が1.0乃至20.0重量%、ジシアンジアミド誘導体濃度が1.0乃至10.0重量%となるように水に溶解して混合水溶液とし、それぞれのpHをオルソケイ酸ソーダを用いて7.0乃至10.5に調整して、漂白剤組成物を調製した。これらの各組成物について、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評価した。結果を表3及び表4に示す。
【表3】
実施例10−15
Figure 0003859778
【表4】
実施例16−19及び比較例4−6
Figure 0003859778
【0018】
実施例20−23及び比較例7−9
過酸化水素を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に変更して漂白組成物を調製した。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。
【表5】
実施例20−23及び比較例7−9
Figure 0003859778
*:炭酸ソーダ過酸化水素付加物(数値は過酸化水素濃度で表示)
**:過ほう酸ソーダ水和物(数値は過酸化水素濃度で表示)
【0019】
【発明の効果】
表1から表5の結果より、過酸化水素、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とジシアンジアミド誘導体とを含み、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、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とジシアンジアミド誘導体とのいずれか一方を含まないもの、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は優れており、アルカリ剤としてアルカリビルダーを使用することがより好ましい。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a hydrogen peroxide-based bleach composition having excellent bleaching power. The bleaching composition of the present invention is used for the purpose of washing, bleaching, disinfection and sterilization, deodorizing and the like, and particularly preferably used 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 or mold on household walls and furniture because of its strong bleaching power. However, although the chlorine system is excellent in bleaching power, it is unsuitable for bleaching colored fabrics because it discolors clothing, and it generates unpleasant odors due to molecular chlorine, giving users discomfort, Furthermore, there is a drawback that there is a risk of poisoning by chlorine gas if the usage is wrong.
[0003]
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 with chlorine bleach, and bleaches clothing at low temperatures, or molds on furniture and walls in the house, especially sinks, bathroom walls, ceilings or tile joints. The bleaching power is insufficient for bleaching.
[0004]
Therefore, conventionally, peroxides such as hydrogen peroxide, sodium carbonate hydrogen peroxide adduct, sodium perborate, N-acyl compounds such as tetraacetylethylenediamine (TAED) and tetraacetylglycoluril (TAGU), and glucose Bleaching power is improved by using esters such as pentaacetate and 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 includes various nitriles, U.S. Pat. No. 3,882,035, iminodiacetonitrile, and JP-A 52-52880, p-chlorobenzoylcyanamide as a bleach activator. Proposals have been made that it is useful.
[0005]
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 molds is also 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.
[0006]
[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.
[0007]
[Means for Solving the Problems]
As a result of intensive studies on the above problems, the inventors of the present invention consisted of (A) hydrogen peroxide or a peroxide that generates hydrogen peroxide in an aqueous solution, and (B) at least one of dicyandiamide derivatives. In addition, the bleaching composition in which the pH value of the mixed aqueous solution of the component (A) and the component (B) is 7.5 or more is very suitable for bleaching of molds generated on clothes, walls of houses, etc. The present invention was completed by finding that it has high activity and no irritating odor.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Examples of hydrogen peroxide or peroxides that generate hydrogen peroxide include commercially available aqueous hydrogen peroxide solutions, sodium carbonate hydrogen peroxide adducts in which sodium carbonate and hydrogen peroxide are added at a molar ratio of 2: 3, hydrogen peroxide. Sodium borate hydrate, sodium perborate tetrahydrate and the like are used.
[0009]
On the other hand, the dicyandiamide derivative is represented by the following chemical structural formula (1).
[Chemical 1]
Figure 0003859778
In the above formula, R and R ′ are H, or an alkyl group or aryl group having 1 to 12 carbon atoms which may have a substituent (wherein the substituent is a hydroxyl group, a sulfone group, a carboxyl group, a sulfate ester) Group, except that R and R ′ are simultaneously H. For example, N-ethyl dicyandiamide, N, N-dimethyl dicyandiamide, Np-sulfophenyl dicyandiamide, Np-hydroxyphenyl dicyandiamide, Np-carboxyethyl dicyandiamide and the like can be mentioned. R and R ′ may be bonded to each other to form a 5- to 6-membered ring (for example, N, N-cyclopentamethylene dicyandiamide). In this case, a 5- to 6-membered ring containing a heteroatom such as O or N may be formed (for example, N, N-cyclopenta-4′-oxa-methylene dicyandiamide). Further, R and R ′ may be an alkylene group in a form straddling two molecules of dicyandiamide, ie, connecting two cyanoguanidyl groups (for example, N, N′-ethylene-bis-dicyandiamide). Methods for producing the above dicyandiamide derivatives are generally known, and are described, for example, in US Pat. No. 2,455,807 (1948).
[0010]
The component (A) and the component (B) are used as a mixed aqueous solution having a pH of 7.5 or more, preferably a pH of 9 to 13. In order to obtain a mixed aqueous solution having a pH of 7.5 or more, an alkali agent such as caustic soda or caustic potash, or an alkali agent such as sodium orthosilicate is used, but in some cases, the pH may be adjusted with an acid such as hydrochloric acid. is there. As the alkali agent, in addition to the alkali metal hydroxide and the like, aminocarboxylic acid type builder, oxycarboxylic acid type builder, phosphonic acid type builder, high molecular weight type builder such as acrylate-vinyl sulfonate, phosphorus Known alkali builders such as acid salt builder, silicate builder, borate builder, carbonate builder and the like may be used, and among them, silicate builder is preferable.
[0011]
In order to use the bleach composition of the present invention, the hydrogen peroxide of component (A) or a peroxide that generates hydrogen peroxide, the dicyandiamide derivative of component (B), and a third component (if necessary) As C), an alkali agent or an alkali builder may be sprinkled on the object to be bleached, or these may be used together with a detergent during washing. However, it is preferable to use the component (A) and the component (B) as an aqueous solution in which the component (C) is mixed in advance as necessary in order to easily perform the bleaching operation. In this case, the hydrogen peroxide content is 0.5 to 60% by weight, preferably 0.5 to 10% by weight, more preferably 1 to 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. The content of the dicyandiamide derivative is 0.2 to 30% by weight, preferably 0.5 to 10% by weight, and more preferably 0.5 to 5% by weight. If necessary, an alkali agent or an alkali builder is blended so that the pH of the mixed aqueous solution is 7.5 or more, preferably 9 to 13. In addition, you may prepare each component individually or in combination, dissolve in water just before using, and prepare aqueous solution or slurry.
[0012]
In the bleaching composition of the present invention, a surfactant, an organic or inorganic builder, a hydrotrope agent, a solvent, a fragrance, an abrasive, a hydrogen peroxide stabilizer, and the like, as necessary, may be used. A bleach component can be blended. If necessary, it can be used in combination with dicyandiamide, cyanourea, dicyanoamine salt, cyanamide salt and the like. Furthermore, synthetic or semi-synthetic polymers such as acrylic acid derivative polymers and cellulose derivatives are used for the purpose of increasing the viscosity of the bleaching composition and reducing the dripping of the liquid when applied to the ceiling, vertical or inclined surfaces. Various thickeners such as natural polymers such as xanthan gum, inorganic thickeners such as gar gum and alumina sol can also be added.
[0013]
【Example】
Hereinafter, the present invention will be specifically described by showing examples and comparative examples. However, the present invention is not limited to the following examples.
[0014]
The bleaching compositions obtained in Examples and Comparative Examples were evaluated by the following test methods. 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 into 10 cm × 10 cm and subjected to a bleaching test.
2) Bleaching test method 20 grams of the bleaching 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 method is visually judged in the following four stages.
Degree of bleaching IV: almost bleached bleaching degree III: bleached to some extent II: almost unbleached bleaching degree I: not bleached at all
2. Mold soil removal test method and evaluation method 1) Mold cultivation method 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. Incubate for 30 days in an incubator.
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 dirt removal degree IV: Almost removed mold dirt removal degree III: Mold dirt removal degree removed to some extent II: Mold dirt removal degree hardly removed I: Not removed at all [0016]
Example 1-9 and Comparative Example 1-3
Dissolve in water so that the hydrogen peroxide concentration is 1.0 to 20.0% by weight and the dicyandiamide derivative concentration is 1.0 to 10.0% by weight. Was adjusted to 7.0 to 10.5 to prepare a bleaching composition. Each of these compositions was evaluated for bleaching effect and mold stain removal effect using EMPA # 115 standard soiled cloth and mold stain. The results are shown in Tables 1 and 2. In the following tables, all numerical values representing the content of each component are weight percent.
[Table 1]
Example 1-6
Figure 0003859778
[Table 2]
Example 7-9 and Comparative Example 1-3
Figure 0003859778
[0017]
Examples 10-19 and Comparative Example 4-6
Dissolve in water so that the hydrogen peroxide concentration is 1.0 to 20.0% by weight and the dicyandiamide derivative concentration is 1.0 to 10.0% by weight to obtain a mixed aqueous solution, and each pH is adjusted using sodium orthosilicate. To 7.0 to 10.5 to prepare a bleaching composition. Each of these compositions was evaluated for bleaching effect and mold stain removal effect using EMPA # 115 standard soiled cloth and mold stain. The results are shown in Tables 3 and 4.
[Table 3]
Examples 10-15
Figure 0003859778
[Table 4]
Examples 16-19 and Comparative Example 4-6
Figure 0003859778
[0018]
Examples 20-23 and Comparative Example 7-9
A bleaching 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.
[Table 5]
Examples 20-23 and Comparative Example 7-9
Figure 0003859778
*: Sodium carbonate hydrogen peroxide adduct (value is expressed in hydrogen peroxide concentration)
**: Sodium perborate hydrate (value is expressed in hydrogen peroxide concentration)
[0019]
【The invention's effect】
From the results of Table 1 to Table 5, prepared so as to contain hydrogen peroxide, sodium carbonate hydrogen peroxide adduct or sodium perborate hydrate and dicyandiamide derivative, and the pH of the mixed aqueous solution is 7.5 or more. All of these were excellent in bleaching effect and mold stain removal effect. The comparative examples in which the pH of the mixed aqueous solution containing no or both of them is less than 7.5 have little or no bleaching effect and mold stain removing effect. As compared with the alkali metal hydroxides used in Table 1 and Table 2, the alkali builder used in Tables 1 and 2 is superior in bleaching effect and mold stain removing effect to the alkali builder used in Table 3, Table 4 and Table 5. More preferably, an alkali builder is used as the alkali agent.

Claims (3)

下記成分(A)及び成分(B):
(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)下記一般式(1)
Figure 0003859778
で示されるジシアンジアミド誘導体[式中R及びR’は、H、又は置換基を有していても良い炭素数1乃至12のアルキル基もしくはアリール基(ここで置換基とは水酸基、スルホン基、カルボキシル基、硫酸エステル基を言う。)であるが、但しR及びR’が同時にHである場合を除く。]の少なくとも1種類以上
からなり、且つ成分(A)と成分(B)との混合水溶液のpH値が7.5以上となる漂白剤組成物。
The following component (A) and component (B):
(A) Hydrogen peroxide or a peroxide that generates hydrogen peroxide in an aqueous solution (B) The following general formula (1)
Figure 0003859778
[Wherein R and R ′ are H or an optionally substituted alkyl group or aryl group having 1 to 12 carbon atoms (wherein the substituents are a hydroxyl group, a sulfone group, a carboxyl group) Group, sulfate ester group.) Except that R and R ′ are H at the same time. ], And the pH value of the mixed aqueous solution of the component (A) and the component (B) is 7.5 or more.
下記成分(A)及び成分(B):
(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)下記一般式(1)
Figure 0003859778
で示されるジシアンジアミド誘導体[式中R及びR’は、H、又は置換基を有していても良い炭素数1乃至12のアルキル基もしくはアリール基(ここで置換基とは水酸基、スルホン基、カルボキシル基、硫酸エステル基を言う。)であるが、但しR及びR’が同時にHである場合を除く。]の少なくとも1種類以上
を含むpH7.5以上の混合水溶液からなり、成分(A)の含有量が過酸化水素として0.5乃至60重量%、成分(B)の含有量が0.2乃至30重量%である漂白剤組成物。
The following component (A) and component (B):
(A) Hydrogen peroxide or a peroxide that generates hydrogen peroxide in an aqueous solution (B) The following general formula (1)
Figure 0003859778
[Wherein R and R ′ are H or an optionally substituted alkyl group or aryl group having 1 to 12 carbon atoms (wherein the substituents are a hydroxyl group, a sulfone group, a carboxyl group) Group, sulfate ester group.) Except that R and R ′ are H at the same time. ] Containing at least one kind of a mixed aqueous solution having a pH of 7.5 or more, the content of the component (A) is 0.5 to 60% by weight as hydrogen peroxide, and the content of the component (B) is 0.2 to A bleach composition which is 30% by weight.
下記成分(A)、成分(B)及び成分(C):
(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)下記一般式(1)
Figure 0003859778
で示されるジシアンジアミド誘導体[式中R及びR’は、H、又は置換基を有していても良い炭素数1乃至12のアルキル基もしくはアリール基(ここで置換基とは水酸基、スルホン基、カルボキシル基、硫酸エステル基を言う。)であるが、但しR及びR’が同時にHである場合を除く。]の少なくとも1種類以上
(C)アルカリ剤あるいはアルカリビルダー
からなり、且つ成分(A)と成分(B)と成分(C)との混合水溶液のpH値が7.5以上となる漂白剤組成物。
The following component (A), component (B) and component (C):
(A) Hydrogen peroxide or a peroxide that generates hydrogen peroxide in an aqueous solution (B) The following general formula (1)
Figure 0003859778
[Wherein R and R ′ are H or an optionally substituted alkyl group or aryl group having 1 to 12 carbon atoms (wherein the substituents are a hydroxyl group, a sulfone group, a carboxyl group) Group, sulfate ester group.) Except that R and R ′ are H at the same time. A bleaching agent composition comprising (C) an alkali agent or an alkali builder, wherein the aqueous solution of component (A), component (B) and component (C) has a pH value of 7.5 or more. .
JP21873896A 1996-08-20 1996-08-20 Bleach composition Expired - Lifetime JP3859778B2 (en)

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PCT/JP1997/002838 WO1998007826A2 (en) 1996-08-20 1997-08-15 Bleaching agent compositions

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US4025453A (en) * 1976-02-09 1977-05-24 Shell Oil Company Activated bleaching process and compositions therefor
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US5620563A (en) * 1994-10-31 1997-04-15 Pulp Paper Res Inst Process for delignification and bleaching of chemical wood pulps with hydrogen peroxide and a dicyandiamide activator
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