JP4011215B2 - Bleach activator - Google Patents

Bleach activator Download PDF

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Publication number
JP4011215B2
JP4011215B2 JP32707498A JP32707498A JP4011215B2 JP 4011215 B2 JP4011215 B2 JP 4011215B2 JP 32707498 A JP32707498 A JP 32707498A JP 32707498 A JP32707498 A JP 32707498A JP 4011215 B2 JP4011215 B2 JP 4011215B2
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Japan
Prior art keywords
triazacyclononane
metal complex
bleaching
hydrogen peroxide
bleach activator
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JP32707498A
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Japanese (ja)
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JP2000144188A (en
Inventor
洋之 増田
明 坂口
洋 檀上
勝久 井上
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Kao Corp
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Kao Corp
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Description

【0001】
【発明の属する技術分野】
本発明は、過酸化水素又は水溶液中で過酸化水素を発生する過酸化物、有機過酸のような有機ペルオキシド化合物を使用する漂白剤を活性化させるための漂白活性化剤、特に低温においても優れた活性化効果を有する、漂白活性化剤及びそれを含有する漂白剤に関する。
【0002】
【従来の技術及び発明が解決しようとする課題】
洗濯用に過酸化水素等のペルオキシ漂白剤を利用することは公知の技術である。このペルオキシ漂白剤は高温で使用され、紅茶、コーヒー、ワイン、果物の漂白に有効である。しかし、ペルオキシ漂白剤の効果は60℃以下では極端に低下する。そのため、遷移金属錯体を漂白活性化触媒として用いることが検討されているが、これまでの遷移金属錯体では十分な漂白活性化効果が得られず、さらには染料の脱色を引き起こし、繊維を損傷するなどの問題があった。
【0003】
したがって本発明の課題は、十分な漂白活性化効果を有し、繊維損傷や染料脱色を引き起こさない漂白活性化剤及び漂白剤を提供することにある。
【0004】
【課題を解決するための手段】
本発明は、式(I)で表される金属錯体からなる漂白活性化剤、及びこの漂白活性化剤と、過酸化水素又は水溶液中で過酸化水素を発生する過酸化物とを含有する漂白剤を提供する。
【0005】
[LnmM'm'p]zq (I)
〔式中、Lは窒素、リン、酸素、硫黄のヘテロ原子から選ばれる少なくとも3つのヘテロ原子を含み、これらヘテロ原子は同一でも異なっていてもよく、これらヘテロ原子の全部もしくは一部を介して中心金属Mに配位結合する有機分子である配位子を示し、Mはマンガン、鉄又はその混合物、M' はクロム、コバルト、ニッケル、銅、亜鉛、ロジウム、ルテニウム又はその混合物を示し、n及びmはそれぞれ2〜4の整数、m'は1〜4の整数であり、Xは配位種又は架橋種を示し、Yは対イオンを示し、zは金属錯体の電荷を示し、pは0〜30の整数、qは金属錯体の電荷により異なり、次式;q=z/(Yの電荷)を満足する数である。〕
【0006】
【発明の実施の形態】
本発明に係わる金属錯体(I)は、例えば以下に示す方法で製造することができる。
窒素置換した容器に、配位子Lの溶剤(例えば脱気したメタノール)溶液を入れ、金属Mの塩、金属M' の錯体、配位種又は架橋種Xをそのまま又は溶剤溶液にして加え、必要なら加熱しながら混合することにより、基本的な金属錯体(I)の骨格を得ることができる。さらに必要ならイオン交換したり、酸化剤により金属の価数を調節し、あるいは再結晶等により精製することができる。
【0007】
本発明に係わる金属錯体(I)において、Lのヘテロ原子は窒素原子が好ましく、Lは1,4,7−トリメチル−1,4,7−トリアザシクロノナン、1,4,7−トリアザシクロノナン、1,5,9−トリメチル−1,5,9−トリアザシクロドデカン、1,2,4,7−テトラメチル−1,4,7−トリアザシクロノナン、2−メチル−1,4,7−トリアザシクロノナンが好ましく、1,4,7−トリメチル−1,4,7−トリアザシクロノナンが特に好ましい。Xはジメチルグリオキシマト、グリオキシマト、ジフェニルグリオキシマトが好ましく、ジメチルグリオキシマトが特に好ましい。また、Mはマンガンが好ましく、M' はニッケル、銅、亜鉛が好ましく、ニッケルが特に好ましい。YとしてはCl- 、Br- 、I- 、NO3 - 、NCS- 、ClO4 -、OH- 等が挙げられ、ClO4 - が好ましい。また安定性の観点から、m=n=2、m'=1、p=3であるものが好ましい。
金属錯体(I)の具体例としては以下の式(I-1) 〜(I-6) で表される化合物が挙げられる。
【0008】
【化1】

Figure 0004011215
【0009】
本発明の漂白剤は金属錯体(I)からなる漂白活性化剤(以下(a)成分という)と、過酸化水素又は水溶液中で過酸化水素を発生する過酸化物 (以下(b) 成分という)を含有するが、漂白剤中の(a) 成分の含有量は0.0001〜10重量%が好ましく、(b) 成分の含有量は 0.1〜99重量%が好ましい。(a) 成分と(b) 成分の重量比 (b)/(a) は、(a) 成分が漂白活性化触媒として有効に作用し、漂白性能を発現する観点から、50〜100,000 が好ましい。
【0010】
水溶液中で過酸化水素を発生する過酸化物としては、過ホウ酸塩、過炭酸塩、過燐酸塩、過珪酸塩、及びモノ過硫酸塩から選択される無機物質が挙げられ、具体的には過炭酸ナトリウム、トリポリリン酸ナトリウム・過酸化水素付加物、ピロリン酸ナトリウム・過酸化水素付加物、尿素・過酸化水素付加物、過ほう酸ナトリウム1水和物、過ほう酸ナトリウム4水和物、過酸化ナトリウム、過酸化カルシウム等が例示され、この中でも過炭酸ナトリウム、過ほう酸ナトリウム1水和物、過ほう酸ナトリウム4水和物が特に好ましい。
【0011】
本発明の漂白剤は、粉末状でも液体状でもよく、上記必須成分以外に、アルカリ剤、界面活性剤、金属イオン封鎖剤等を含有することができる。アルカリ剤としては炭酸ナトリウム、炭酸カリウム等が挙げられる。
【0012】
界面活性剤としては、陰イオン界面活性剤、非イオン界面活性剤、陽イオン界面活性剤、両性界面活性剤等が挙げられ、陰イオン界面活性剤又は非イオン界面活性剤が好ましい。陰イオン界面活性剤は、アルキル基の炭素数10〜18のアルキルベンゼンスルホン酸塩、アルキル基の炭素数10〜18のアルキル硫酸塩又は脂肪酸の炭素数12〜18のα−スルホ脂肪酸メチルナトリウム塩が好ましい。また対イオンはナトリウム、カリウム、アンモニウムが好ましく、特に好ましくはナトリウム、カリウムである。非イオン界面活性剤は、アルキル基又はアルケニル基の炭素数10〜18の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が好ましい。
本発明の漂白剤中の界面活性剤の含有量は50重量%以下が好ましく、さらに好ましくは 0.5〜40重量%である。
【0013】
金属イオン封鎖剤としては、リン酸塩、ホスホノカルボン酸塩、ポリアクリル酸塩等が挙げられる。
本発明の漂白剤中の金属イオン封鎖剤の含有量は、漂白効果の観点から30重量%以下が好ましく、 0.1〜20重量%が更に好ましい。
更に本発明の漂白剤には、必要に応じて再汚染防止剤、増量剤、酵素、蛍光増白剤、染料、顔料、香料等を添加することができる。
【0014】
本発明の漂白剤は、粉末又は液体の衣料用洗剤、硬質表面洗浄剤、自動食器洗い用洗剤、入れ歯用洗浄剤などに添加して漂白性能を持たすことができる。また毛髪用漂白剤、さらには木材パルプの漂白のような工業用用途に使用することができる。
【0015】
【発明の効果】
本発明の漂白活性化剤および漂白剤は十分な漂白活性化効果を有し、繊維損傷や染料脱色を引き起こさない。
【0016】
【実施例】
製造例1
丸底フラスコをあらかじめ窒素置換し、そこに1,4,7−トリメチル−1,4,7−トリアザシクロノナン0.50gのメタノール(11mL)溶液を添加した(メタノールは超音波処理下、窒素を液中に吹き込んで脱気したものを用いた。以下の製造例2及び4のメタノールも同様に処理した。)。次いで酢酸マンガン(III) 2水和物0.80g、ジメチルグリオキシム0.50g、トリエチルアミン2.9mL 、塩化ニッケル6水和物0.35gのメタノール(30mL)溶液を添加した。2時間加熱還流を行い、冷却後反応混合物を濾過した。濾液に過塩素酸ナトリウム 1.0gを添加し6℃で一晩静置し再結晶を行った。生成した結晶を濾取し、黒色針状結晶の前記式(I-1) で表される金属錯体を得た。
【0017】
製造例2
丸底フラスコをあらかじめ窒素置換し、そこに1,4,7−トリメチル−1,4,7−トリアザシクロノナン0.50gのメタノール(11mL)溶液を添加した。次いで酢酸マンガン(III) 2水和物0.80g、ジメチルグリオキシム0.18g、銅−ジメチルグリオキシム錯体0.44g、トリエチルアミン2.9mL を添加した。室温で2時間撹拌した後反応混合物を濾過した。濾液に過塩素酸ナトリウム1.0 gを添加し、6℃で一晩静置し再結晶を行った。生成した結晶を濾取し、褐色鱗片状結晶の前記式(I-2) で表される金属錯体を得た。
【0018】
製造例3
前記式(I-2) で表される金属錯体200mg をアセトニトリル30mLに溶かし、次いでテトラフロロホウ酸ニトロソニウム(NOBF4)60mgを添加し、室温で1時間撹拌した。過塩素酸ナトリウム 0.2gを加え、−10℃で15時間反応した。生成した結晶を濾取し、暗褐色結晶の前記式(I-3) で表される金属錯体を得た。
【0019】
製造例4
丸底フラスコをあらかじめ窒素置換し、そこに1,4,7−トリメチル−1,4,7−トリアザシクロノナン0.50gのメタノール(11mL)溶液を添加した。次いで酢酸亜鉛2水和物0.21g、ジメチルグリオキシム0.22g、トリエチルアミン1.8mL を添加した。1時間加熱還流を行い、冷却後反応混合物を濾過した。濾液に過塩素酸ナトリウム 0.4gを添加し6℃で一晩静置し再結晶を行った。生成した結晶を濾取し、暗褐色結晶の前記式(I-4) で表される金属錯体を得た。
【0020】
実施例1〜4及び比較例1
pH10に調整した炭酸緩衝液(Na2CO3 25mmol/L, NaHCO3 25mmol/L) にビリルビン(和光純薬製)を溶解させ、4×10ー5mol/L 濃度のビリルビン水溶液を調製した。この溶液 100gをガラス容器に採り、35℃の温浴中で撹拌しながら、前記式(I-1) 〜(I-4) で表される金属錯体のうち1種類からなる漂白活性化剤0.20mgを添加し、次いで35重量%過酸化水素水溶液が 0.2重量%になるように加え、漂白処理をした。紫外可視分光光度計(HITACHI U-3300)を用いて処理前のビリルビン水溶液と15分間処理後の水溶液の430nm の吸光度を測定し、次式により漂白率を算定した。比較例として金属錯体を添加せず過酸化水素のみを用いて漂白処理をした場合を同様に測定した。結果を表1に示す。
【0021】
漂白率=(1−処理後の吸光度/処理前の吸光度)×100
【0022】
【表1】
Figure 0004011215
【0023】
実施例5〜6及び比較例2
イオン交換水500 mLに、表2に示す組成の各種漂白剤を1.25g添加し、100r/minで1分間撹拌後、下記方法で調製した紅茶汚染布を5枚ずつ入れ、30分間浸漬させた。その後汚染布を取り出し水道水ですすいだ後、乾燥させ、次式によって漂白率を算出した。結果を表2に示す。
また実施例5及び6においては、繊維損傷や染料脱色の問題はなかった。
【0024】
【数1】
Figure 0004011215
【0025】
<紅茶汚染布の調製法>
日東紅茶(黄色パッケージ)80gを3リットルのイオン交換水にて15分間煮沸後、糊抜きしたさらし木綿で濾し、この液に木綿金布#2003を浸し、15分間煮沸した。そのまま加熱器から下ろして2時間放置し、その後取り出して自然乾燥させた後、洗液に色が付かなくなるまで水洗し、脱水、プレス後、10×10cmの試験布として実験に供した。
【0026】
【表2】
Figure 0004011215
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a bleach activator for activating a bleaching agent using an organic peroxide compound such as hydrogen peroxide or a peroxide that generates hydrogen peroxide in an aqueous solution, and an organic peroxide, particularly at low temperatures. The present invention relates to a bleach activator having an excellent activation effect and a bleach containing the same.
[0002]
[Prior art and problems to be solved by the invention]
It is a known technique to use a peroxy bleach such as hydrogen peroxide for washing. This peroxy bleach is used at high temperatures and is effective in bleaching tea, coffee, wine and fruits. However, the effect of peroxy bleach is drastically reduced below 60 ° C. For this reason, the use of transition metal complexes as bleaching activation catalysts has been studied, but conventional transition metal complexes do not provide sufficient bleaching activation effects, and further cause decolorization of the dye and damage the fibers. There were problems such as.
[0003]
Accordingly, an object of the present invention is to provide a bleach activator and a bleaching agent that have a sufficient bleach activating effect and do not cause fiber damage or dye decolorization.
[0004]
[Means for Solving the Problems]
The present invention relates to a bleach activator comprising a metal complex represented by the formula (I), and a bleach activator containing the bleach activator and hydrogen peroxide or a peroxide that generates hydrogen peroxide in an aqueous solution. Provide the agent.
[0005]
[L n M m M 'm ' X p] z Y q (I)
[Wherein L contains at least three heteroatoms selected from nitrogen, phosphorus, oxygen and sulfur heteroatoms, which may be the same or different, and through all or part of these heteroatoms. A ligand which is an organic molecule coordinated to the central metal M, M is manganese, iron or a mixture thereof, M ′ is chromium, cobalt, nickel, copper, zinc, rhodium, ruthenium or a mixture thereof, n And m are each an integer of 2 to 4, m ′ is an integer of 1 to 4, X is a coordination species or a crosslinking species, Y is a counter ion, z is a charge of a metal complex, p is An integer of 0 to 30, q is different depending on the charge of the metal complex, and is a number satisfying the following formula: q = z / (charge of Y). ]
[0006]
DETAILED DESCRIPTION OF THE INVENTION
The metal complex (I) according to the present invention can be produced, for example, by the following method.
In a nitrogen-substituted container, a solution of ligand L in a solvent (for example, degassed methanol) is added, and a salt of metal M, a complex of metal M ′, a coordination species or a crosslinking species X is added as it is or as a solvent solution, If necessary, the basic skeleton of the metal complex (I) can be obtained by mixing while heating. Furthermore, if necessary, it can be purified by ion exchange, adjusting the valence of the metal with an oxidizing agent, or recrystallization.
[0007]
In the metal complex (I) according to the present invention, the hetero atom of L is preferably a nitrogen atom, and L is 1,4,7-trimethyl-1,4,7-triazacyclononane or 1,4,7-triaza. Cyclononane, 1,5,9-trimethyl-1,5,9-triazacyclododecane, 1,2,4,7-tetramethyl-1,4,7-triazacyclononane, 2-methyl-1, 4,7-triazacyclononane is preferred, and 1,4,7-trimethyl-1,4,7-triazacyclononane is particularly preferred. X is preferably dimethylglyoximato, glyoximato or diphenylglyoximato, particularly preferably dimethylglyoximato. Further, M is preferably manganese, and M ′ is preferably nickel, copper or zinc, and nickel is particularly preferable. Examples of Y include Cl , Br , I , NO 3 , NCS , ClO 4 , OH − and the like, and ClO 4 is preferable. From the viewpoint of stability, it is preferable that m = n = 2, m ′ = 1, and p = 3.
Specific examples of the metal complex (I) include compounds represented by the following formulas (I-1) to (I-6).
[0008]
[Chemical 1]
Figure 0004011215
[0009]
The bleaching agent of the present invention comprises a bleach activator comprising a metal complex (I) (hereinafter referred to as component (a)) and a peroxide that generates hydrogen peroxide in hydrogen peroxide or an aqueous solution (hereinafter referred to as component (b). The content of the component (a) in the bleaching agent is preferably 0.0001 to 10% by weight, and the content of the component (b) is preferably 0.1 to 99% by weight. The weight ratio (b) / (a) between the component (a) and the component (b) is preferably 50 to 100,000 from the viewpoint of the component (a) effectively acting as a bleach activation catalyst and exhibiting bleaching performance.
[0010]
Examples of peroxides that generate hydrogen peroxide in an aqueous solution include inorganic substances selected from perborate, percarbonate, perphosphate, persilicate, and monopersulfate. Is sodium percarbonate, sodium tripolyphosphate / hydrogen peroxide adduct, sodium pyrophosphate / hydrogen peroxide adduct, urea / hydrogen peroxide adduct, sodium perborate monohydrate, sodium perborate tetrahydrate, Examples thereof include sodium oxide, calcium peroxide and the like, and among these, sodium percarbonate, sodium perborate monohydrate, and sodium perborate tetrahydrate are particularly preferable.
[0011]
The bleaching agent of the present invention may be in the form of powder or liquid, and can contain an alkali agent, a surfactant, a sequestering agent and the like in addition to the above essential components. Examples of the alkali agent include sodium carbonate and potassium carbonate.
[0012]
Examples of the surfactant include an anionic surfactant, a nonionic surfactant, a cationic surfactant, an amphoteric surfactant, and the like, and an anionic surfactant or a nonionic surfactant is preferable. The anionic surfactant is an alkylbenzene sulfonate having 10 to 18 carbon atoms in an alkyl group, an alkyl sulfate having 10 to 18 carbon atoms in an alkyl group, or an α-sulfo fatty acid methyl sodium salt having 12 to 18 carbon atoms in a fatty acid. preferable. The counter ion is preferably sodium, potassium or ammonium, particularly preferably sodium or potassium. The nonionic surfactant is preferably a polyoxyalkylene alkyl or alkenyl ether having 10 to 18 carbon atoms of an alkyl group or alkenyl group.
The content of the surfactant in the bleaching agent of the present invention is preferably 50% by weight or less, more preferably 0.5 to 40% by weight.
[0013]
Examples of the sequestering agent include phosphate, phosphonocarboxylate, polyacrylate, and the like.
The content of the sequestering agent in the bleaching agent of the present invention is preferably 30% by weight or less, more preferably 0.1 to 20% by weight from the viewpoint of the bleaching effect.
Furthermore, the bleaching agent of the present invention may contain a recontamination inhibitor, a bulking agent, an enzyme, a fluorescent brightening agent, a dye, a pigment, a fragrance, and the like as necessary.
[0014]
The bleaching agent of the present invention can be added to powdered or liquid clothing detergents, hard surface cleaners, automatic dishwashing detergents, denture cleaners and the like to impart bleaching performance. It can also be used in industrial applications such as bleaching for hair and bleaching of wood pulp.
[0015]
【The invention's effect】
The bleach activator and bleach of the present invention have a sufficient bleach activating effect and do not cause fiber damage or dye decolorization.
[0016]
【Example】
Production Example 1
The round bottom flask was previously purged with nitrogen, and a solution of 0.50 g of 1,4,7-trimethyl-1,4,7-triazacyclononane in methanol (11 mL) was added thereto (methanol was subjected to nitrogen treatment under sonication). The product was blown into the liquid and degassed.The methanol of Production Examples 2 and 4 below was treated in the same manner. Next, a solution of 0.80 g of manganese (III) acetate dihydrate, 0.50 g of dimethylglyoxime, 2.9 mL of triethylamine, and 0.35 g of nickel chloride hexahydrate in methanol (30 mL) was added. The mixture was heated under reflux for 2 hours, and after cooling, the reaction mixture was filtered. To the filtrate was added 1.0 g of sodium perchlorate, and the mixture was allowed to stand overnight at 6 ° C. for recrystallization. The produced crystal was collected by filtration to obtain a metal complex represented by the formula (I-1) as a black needle crystal.
[0017]
Production Example 2
The round bottom flask was previously purged with nitrogen, and a solution of 0.50 g of 1,4,7-trimethyl-1,4,7-triazacyclononane in methanol (11 mL) was added thereto. Next, 0.80 g of manganese (III) acetate dihydrate, 0.18 g of dimethylglyoxime, 0.44 g of a copper-dimethylglyoxime complex, and 2.9 mL of triethylamine were added. After stirring for 2 hours at room temperature, the reaction mixture was filtered. To the filtrate, 1.0 g of sodium perchlorate was added, and the mixture was allowed to stand overnight at 6 ° C. for recrystallization. The produced crystal was collected by filtration to obtain a metal complex represented by the above formula (I-2) as a brown scaly crystal.
[0018]
Production Example 3
200 mg of the metal complex represented by the formula (I-2) was dissolved in 30 mL of acetonitrile, and then 60 mg of nitrosonium tetrafluoroborate (NOBF 4 ) was added and stirred at room temperature for 1 hour. Sodium perchlorate 0.2g was added and it reacted at -10 degreeC for 15 hours. The produced crystal was collected by filtration to obtain a metal complex represented by the above formula (I-3) as a dark brown crystal.
[0019]
Production Example 4
The round bottom flask was previously purged with nitrogen, and a solution of 0.50 g of 1,4,7-trimethyl-1,4,7-triazacyclononane in methanol (11 mL) was added thereto. Next, 0.21 g of zinc acetate dihydrate, 0.22 g of dimethylglyoxime, and 1.8 mL of triethylamine were added. The mixture was heated to reflux for 1 hour, and after cooling, the reaction mixture was filtered. To the filtrate, 0.4 g of sodium perchlorate was added, and the mixture was allowed to stand overnight at 6 ° C. for recrystallization. The produced crystal was collected by filtration to obtain a metal complex represented by the above formula (I-4) as a dark brown crystal.
[0020]
Examples 1 to 4 and Comparative Example 1
Bilirubin (manufactured by Wako Pure Chemical Industries, Ltd.) was dissolved in a carbonate buffer (Na 2 CO 3 25 mmol / L, NaHCO 3 25 mmol / L) adjusted to pH 10 to prepare a bilirubin aqueous solution having a concentration of 4 × 10-5 mol / L. Taking 100 g of this solution in a glass container and stirring in a 35 ° C. warm bath, 0.20 mg of a bleach activator consisting of one of the metal complexes represented by the above formulas (I-1) to (I-4) Then, 35% by weight aqueous hydrogen peroxide solution was added to make 0.2% by weight, and bleaching was performed. Using a UV-visible spectrophotometer (HITACHI U-3300), the absorbance at 430 nm of the bilirubin aqueous solution before treatment and the aqueous solution after 15 minutes treatment was measured, and the bleaching rate was calculated by the following formula. As a comparative example, the case where bleaching treatment was performed using only hydrogen peroxide without adding a metal complex was measured in the same manner. The results are shown in Table 1.
[0021]
Bleaching rate = (1−absorbance after treatment / absorbance before treatment) × 100
[0022]
[Table 1]
Figure 0004011215
[0023]
Examples 5 to 6 and Comparative Example 2
1.25 g of various bleaching agents having the composition shown in Table 2 was added to 500 mL of ion-exchanged water, stirred for 1 minute at 100 r / min, and then 5 pieces of tea-stained cloth prepared by the following method were added and immersed for 30 minutes. . Thereafter, the contaminated cloth was taken out, rinsed with tap water, dried, and the bleaching rate was calculated by the following formula. The results are shown in Table 2.
In Examples 5 and 6, there was no problem of fiber damage or dye decolorization.
[0024]
[Expression 1]
Figure 0004011215
[0025]
<Preparation method of black tea contaminated cloth>
80 g of Nitto black tea (yellow package) was boiled in 3 liters of ion-exchanged water for 15 minutes, then filtered with desiccated exposed cotton, soaked with cotton cloth # 2003, and boiled for 15 minutes. The sample was taken out of the heater as it was, left for 2 hours, then taken out and air-dried, washed with water until the washing solution was no longer colored, dehydrated and pressed, and then used as a 10 × 10 cm test cloth.
[0026]
[Table 2]
Figure 0004011215

Claims (3)

式(I)で表される金属錯体からなる漂白活性化剤。
[LnmM’m'p]zq (I)
〔式中、Lは1,4,7−トリメチル−1,4,7−トリアザシクロノナン、1,4,7−トリアザシクロノナン、1,2,4,7−テトラメチル−1,4,7−トリアザシクロノナン及び2−メチル−1,4,7−トリアザシクロノナンから選ばれる配位子を示し、Mはマンガン、鉄又はその混合物、M’はクロム、コバルト、ニッケル、銅、亜鉛、ロジウム、ルテニウム又はその混合物を示し、m=n=2、 m' =1であり、Xはジメチルグリオキシマト、グリオキシマト及びジフェニルグリオキシマトから選ばれる配位種又は架橋種を示し、Yは対イオンを示し、zは金属錯体の電荷を示し、p=3、qは金属錯体の電荷により異なり、次式;q=z/(Yの電荷)を満足する数である。〕
A bleaching activator comprising a metal complex represented by the formula (I).
[L n M m M 'm ' X p] z Y q (I)
[ Wherein L is 1,4,7-trimethyl-1,4,7-triazacyclononane, 1,4,7-triazacyclononane, 1,2,4,7-tetramethyl-1,4 , 7-triazacyclononane and 2-methyl-1,4,7-triazacyclononane , M represents manganese, iron or a mixture thereof, M ′ represents chromium, cobalt, nickel, copper , Zinc, rhodium, ruthenium or a mixture thereof, m = n = 2, m ′ = 1 , X represents a coordination species or a crosslinking species selected from dimethylglyoximato, glyoximato and diphenylglyoximato , Y represents a counter ion, z represents the charge of the metal complex, p = 3 , q varies depending on the charge of the metal complex, and is a number satisfying the following formula: q = z / (charge of Y). ]
Lが1,4,7−トリメチル−1,4,7−トリアザシクロノナン、Xがジメチルグリオキシマトである請求項記載の漂白活性化剤。L is 1,4,7-trimethyl-1,4,7-triazacyclononane, X is a bleach activator according to claim 1, wherein the dimethyl glyoxylate Mato. 請求項1又は2記載の漂白活性化剤と、過酸化水素又は水溶液中で過酸化水素を発生する過酸化物とを含有する漂白剤。A bleaching agent comprising the bleach activator according to claim 1 and 2 , and hydrogen peroxide or a peroxide that generates hydrogen peroxide in an aqueous solution.
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