JPH09235593A - Bleaching detergent composition - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a bleaching detergent composition, having excellent bleaching activity and capable of preventing the re-attachment of stain by concomitantly using an oxygenic bleaching base compound, a specific bleaching activator, a surfactant, a specific water-soluble polymer chelating agent and an aluminosilicate at specific ratios. SOLUTION: This bleaching detergent composition is composed of (A) an oxygenic bleaching base compound (preferably, sodium percarbonate), (B) a bleaching activator of formulae I or II (R<1> and R<2> are each independently a >=7C straight-chain alkyl; M is a salt-forming cation or H), (C) a surfactant, (D) a water-soluble high polymer chelating agent having a monoethylenic unsaturated mono- or di-carboxylic acid (and/or its salt) unit and a weight average molecular weight of 1000-250,000 and (E) aluminosilicate. The total amount of the component D and the component E is 10-50wt.% based on the total of the bleaching detergent composition, and the weight ratio of the component D/the component E is 100/0 to 1/99.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bleaching detergent composition used for bleaching and washing clothes and the like, and more particularly to a granular bleaching detergent composition having a normal density or a high bulk density.

2. Description of the Related Art Various attempts have been made to improve the detergency significantly compared with conventional detergents by incorporating bleaching agents and enzymes in addition to surfactants in various detergents, especially detergents for clothing. . Among these, in the bleaching detergent containing a bleaching agent, in order to further improve the detergency by improving the bleaching power, a bleaching activator is also added,
Organic peracid-generating bleach activators are mainly used.
Certainly, with a bleaching detergent containing a bleaching agent and a bleaching activator, a great improvement in detergency can be achieved, but in recent years the tendency to reduce the amount of detergent used, especially from the increase in bulk density of detergents, There is a need for a bleaching detergent that has even better detergency.

[0002]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a bleaching detergent composition which is excellent in bleaching power and can prevent recontamination of stains once detached during washing from adhering to clothes again.

The present invention is a combination of an oxygen-based bleaching base compound, a specific bleach activator, a surfactant, a specific water-soluble polymer chelating agent and an aluminosilicate, and This was done based on the finding that the above-mentioned problems can be efficiently achieved by using a specific polymer chelating agent and an aluminosilicate in a specific ratio. That is, the present invention
(A) Oxygen-based bleaching base compound that generates hydrogen peroxide in water, (b) bleaching activator represented by the following general formula (I) or (II), (c) surfactant, (d) Weight average molecular weight of 1,000 to 250,000 having monoethylenically unsaturated mono- and di-carboxylic acid (and / or salt thereof) units
0 water-soluble polymer chelating agent and (e) aluminosilicate, and the total amount of the (d) component and the (e) component is 10 to 50% by weight of the entire bleaching detergent composition, and (d) ) Component and (e) component weight ratio is (d) / (e) = 100/0
Provided is a bleaching detergent composition characterized in that it is ˜1 / 99.

[0003]

Embedded image

(In the formula, R ¹ and R ² are each independently a linear alkyl group having 7 or more carbon atoms, and M is a salt-forming cation or hydrogen.)

BEST MODE FOR CARRYING OUT THE INVENTION As the oxygen-based bleaching base compound which generates hydrogen peroxide in water as the component (a) used in the present invention, percarbonates such as sodium percarbonate and potassium percarbonate and sodium perborate are used. Among these, one or a mixture of two or more such as perborate and the like can be mentioned, and sodium percarbonate is preferable. The amount of the component (a) in the bleaching detergent composition is preferably 1 to 50% by weight (hereinafter abbreviated as%), and more preferably 3 to 30%. The bleach activator used in the present invention is represented by the general formula (I) or (II) above.
It is represented by. In the formula, R ¹ has 9 to 9 carbon atoms.
A linear alkyl group having 18 carbon atoms is preferable, a linear alkyl group having 11 to 17 carbon atoms is more preferable, and a linear alkyl group having 7 to 18 carbon atoms is preferable as R ² , and more preferably 9 to 9 carbon atoms. 17 is a linear alkyl group. Also, M
Examples include hydrogen or alkali metals such as sodium and potassium, amines such as ammonium and alkanolamines. Of these, alkali metals are preferred. In the formula, the SO ₃ M group and COOM group can be in the ortho, meta or para position, but the para position is preferred.

In the present invention, these bleaching activators can be used alone or as a mixture of two or more kinds. These bleach activators can be used in an amount of about
Since it is obtained as a plate-like crystal having a size of m to 100 μm, it may be pulverized by an ordinary method so that the average particle size is smaller than 300 μm, preferably about 200 to 100 μm. However, if the average particle diameter is obtained as less than 300 μm, preferably about 200 to 100 μm by the method for producing a bleach activator, it can be used as it is. In the present invention,
A raw material bleach activator having an average particle size of more than 300 μm may be used.

In the present invention, the bleaching activator can be added as it is to the bleaching detergent composition, but it is preferable to add it as a granulated product, and especially the one which is granulated with an organic binder is added. Preferably. The organic binder used here is preferably a water-soluble one that is solid at room temperature and melts by applying heat, more preferably having a melting point of 25 to 100 ° C., further preferably 25 to 80 ° C.
The organic binder is at 40 ° C, most preferably 40 to 80 ° C. Among these, especially the average molecular weight is 400 to 30,000.
It is preferable to use polyethylene glycol, more preferably 1000 to 20000, and most preferably 4
000 to 20,000 polyethylene glycol.
It is also preferable to use a polyethylene glycol addition type nonionic surfactant, specifically, a carbon number of 8 to 20.
Ethylene glycol is 3 to 80 mol, preferably 1 to 1 mol (preferably 10 to 18) of aliphatic alcohol.
Those added with 0 to 50 moles are preferable. Particularly, when polyethylene glycol and / or polyethylene glycol-added nonionic surfactant is used among various organic binders, the solubility of the resulting bleach activator granules can be improved. Furthermore, one selected from anionic surfactants and cationic surfactants may be used.

The use ratio of the bleach activator and the organic binder can be arbitrary, but the content of the bleach activator is 5
0% or more, preferably 50 to 90%, more preferably 6
It is preferable that 5% to 80% and the balance be an organic binder. The nonionic surfactant as the organic binder used here is also the component (c) used in the present invention. The amount of component (b) in the bleaching detergent composition is preferably 0.5 to 15%, more preferably 1 to 10%. The bleach activator granulated product can be produced, for example, by the following method. First, a bleaching activator and an organic binder (binder) were introduced into a kneading extruder, preferably a closed compaction treatment device, more preferably a horizontal continuous kneader, and both were mixed in the kneader. After that or while mixing, the binder is melted and a shearing force is applied to it to 25 to 100.
The consolidation treatment is performed at ℃, preferably 45 to 80 ℃. or,
In addition to the kneader, a single-screw or twin-screw extruder can be used. As the kneading extruder used here, specifically, KRC manufactured by Kurimoto Iron Works Co., Ltd.
Kneader and so on. By such kneading and extrusion, it is preferable to obtain a consolidated product having a bulk density of 0.3 to 0.9 g / ml.

A kneaded extrudate having an arbitrary shape can be obtained by the above kneading extrusion, but a cylindrical shape, a prism or a triangular prism having a diameter of 0.5 to 30 mm, preferably 0.7 to 20 mm, more preferably about 1 to 20 mm. It is preferable to extrude such as a strand, a spherical, plate-shaped, or noodle-shaped granulated product. As an extruding method, a mesh plate with a hole may be attached to the outlet of the consolidating device, and a granulated product may be obtained through the plate. In this case, a specific example of the processing apparatus used is Extruded Omics manufactured by Hosokawa Micron Corporation. Further, an extruder may be used for such a granulated product. Examples of the extruder include a pelletizer double (Fuji Paudal Co., Ltd.) and a twin dome gran (Fuji Paudal Co., Ltd.).

As the surfactant as the component (c) used in the present invention, a linear or branched alkyl (average carbon chain length 8 to 1
8) Benzenesulfonate, long-chain alkyl (average carbon chain length 10 to 20) sulfonate, long-chain olefin (average carbon chain length 10 to 20) sulfonate, long-chain monoalkyl (average carbon chain length 10 to 10) 20) Sulfate ester salt, polyoxyethylene (average degree of polymerization 1-10) long-chain alkyl (average carbon chain length 10-20) Ether sulfate ester, polyoxyethylene (average degree of polymerization 3-30) alkyl (average carbon chain) Length 6-12) Phenyl ether sulfate ester salt, α
-Sulfo fatty acid ester salt ( _C12-20 ), long-chain monoalkyl, dialkyl or sesquialkyl phosphate, polyoxyethylene monoalkyl, dialkyl or sesquialkyl phosphate, etc. are used. These anionic surfactants may be added in the form of acid, or may be used as alkali metal salts such as sodium and potassium, amine salts, ammonium salts and the like.

Various nonionic surfactants can be used, for example, primary or secondary nonionic surfactants having 8 to 18 carbon atoms.
EO-added nonionic surfactant obtained by adding 4 to 50 mol of ethylene oxide on average to a primary alcohol, carbon number 8
To 18 primary and secondary alcohols with an average of 4 to 50 mol of ethylene oxide and an average of 3 with propylene oxide.
To 15 mol of EO-PO-added nonionic surfactant, sugar-fatty acid ester type nonionic surfactant obtained from fatty acid having 6 to 16 carbon atoms and sugars such as glucose, and alcohol having 6 to 16 carbon atoms It is preferable to use one kind or a mixture of two or more kinds of sugar-alcohol ether type nonionic surfactants obtained from sugars such as glucose. Also, amphoteric surfactants such as alkyl betaines can be used. The above surfactants can be used alone or as a mixture of two or more. Among the above surfactants, alkylbenzene sulfonate, alkyl sulfonate, olefin sulfonate, and α-sulfo fatty acid ester salt are preferable. The amount of component (c) in the bleaching detergent composition is preferably 5 to 50%, more preferably 10 to 40%.

The component (d) used in the present invention having a monoethylenically unsaturated mono- and di-carboxylic acid (and / or salt thereof) unit has a weight average molecular weight of 1,000 to 250,000.
Examples of the water-soluble polymer chelating agent of 0 include monoethylenically unsaturated monocarboxylic acids (preferably having 3 to 4 carbon atoms) such as acrylic acid and methacrylic acid, and monoethylene such as maleic acid, fumaric acid and succinic acid. With unsaturated unsaturated dicarboxylic acid (preferably having 4 to 6 carbon atoms),
Examples thereof include salts thereof and mixtures thereof, which are water-soluble and have a chelating effect. Here, as salt,
Examples thereof include alkali metal salts such as sodium salt and potassium salt, ammonium, amine salts such as monoethanolamine and diethanolamine. The weight ratio of monoethylenically unsaturated monocarboxylic acid / monoethylenically unsaturated dicarboxylic acid is preferably 1/5 to 5/1. or,
Those having a weight average molecular weight of 5,000 to 100,000 are preferable.

As the aluminosilicate as the component (e) used in the present invention, various zeolites such as A-type zeolite used in detergents are preferably used. Especially the particle size is 0.
It is preferable to use about 1 to 10 μ of zeolite.
In the present invention, the total amount of component (d) and component (e) is 10 to 50%, preferably 15 to 40% of the total bleaching detergent composition.
And the weight ratio of component (d) to component (e) is (d)
/ (E) = 100/0 to 1/99, preferably 50/5
It is 0 to 10/90. The amount of component (d) is preferably 1-10% of the total bleaching detergent composition. The bleaching detergent composition of the present invention can contain various optional components in addition to the above components. For example, tripolyphosphate, pyrophosphate, alkali builder such as sodium carbonate,
An organic chelate builder such as EDTA, a neutral builder such as sodium sulfate, silicon dioxide, bentonite, talc, clay, titanium oxide, calcium carbonate, a fragrance, a pigment and the like can be contained.

The high-bulk-density granular bleaching detergent composition which is the bleaching detergent composition of the present invention is, for example, a high speed in which a predetermined amount of the component (c) is added to any detergent base and stirring and crushing can be simultaneously performed. Obtained by carrying out stirring mixing / simultaneous crushing granulation in the mixing tank of the granulator, and as a result, the solubility in cold water is improved. As such a high-speed granulator, for example, FS as described in JP-A-2-49100.
-G series high speed mixer mixer (Fukae Industry Co., Ltd.) and the like can be mentioned.

In this granulation, the above-mentioned components (d) and (e) and the above optional components may be simultaneously added, stirred and crushed in the mixing tank of the high speed granulator, or (d) ) And (e) and all or a part of the above optional components are previously supplied as a spray-dried product, and stirring and crushing while adding the nonionic surfactant as the (c) component are preferable. Is. By this granulation operation, a high bulk density granular detergent composition having a bulk density of about 0.5 to 1.2 g / cc can be obtained.

Industrial Applicability According to the present invention, it is possible to produce a bleaching detergent composition which has excellent bleaching power and can prevent recontamination of stains once detached during washing from adhering to clothes again. Next, the present invention will be described with reference to examples.

[0015]

【Example】

Example 1 A bleach activator granule was produced by the following methods (1) and (2). (1) Bleach activator (1.5 kg) and organic binder (0.5 kg) were added to Hosokawa Micron Co., Ltd. Extruded Ohmics heated to 60 to 80 ° C. by circulating warm water, and an intermediate orifice of 6 mm and 3 mm, A noodle-like granulated product having a length of 5 to 20 mm was obtained through a discharge orifice 1 mm (granulated products 1 and 3) (2) Kneader by circulating hot water in the jacket of S-2KRC kneader manufactured by Kurimoto Iron Works Co., Ltd. The body is 60-80
Warmed to a temperature of ° C. Next, 1.5 kg of bleach activator and 0.5 kg of organic binder were added to the kneader and kneaded. The obtained kneaded product was extruded using a pelleter double manufactured by Fuji Paudal Co., Ltd. equipped with a die having a hole diameter of 1 mmφ to obtain a bleaching activator granule in the form of noodles having a length of 2 to 3 mm (granulation. Item 2) The bleach activators used are shown in Table-1, and the types of organic binders are shown in Table-2.

[0016]

[Table 1] Table 1 Bleaching activator Bleach Activator No. R X AC ₇ H ₁₅ COOH B C ₉ H ₁₉ COOH C C ₉ H ₁₉ SO ₃ Na The bleach activator in the table is represented by the following formula (III).

[0017]

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[0018]

[Table 2] Table-2

The binders in the table are as follows. Organic binder No. 1: PEG6000 Organic binder No. 2: Polyoxyethylene lauryl ether (average number of moles of ethylene oxide added: 50) A bleaching detergent was produced by the following method. A detergent slurry having a solid content of 60% was prepared using each of the components shown in Table 3 except for the nonionic surfactant, the enzyme, sodium percarbonate, and the bleaching activator particles, and the hot air temperature was 200 to 200 using a countercurrent spray dryer. It was dried at 280 ° C. to a water content of 5% to obtain a spray-dried product. Then, a spray-dried product, a nonionic surfactant and, if necessary, water were added, and the mixture was stirred and granulated by a high-speed granulator (FS-GS55 type: manufactured by Fukae Kogyo Co., Ltd.), and then the enzyme (protease and protease Lipase), sodium percarbonate, and bleach activator particles were blended into a powder to prepare a bleaching detergent. The particles obtained had an average particle size of 500 microns and a bulk density of 0.75 to 0.90 cm ³ (note that bleaching activator particles and sodium percarbonate, an enzyme, and a nonionic activator were added, and then bleaching was performed. 10 cleaning agents
The sodium carbonate in the slurry was adjusted to 0 and dried).

[0020]

[Table 3] Table-3 High bulk density bleaching detergent composition (bulk density:
0.8g / cc) ───────────────────────────────────── Composition (% by weight) Detergent a Detergent b Detergent c Detergent d Detergent e Detergent f Detergent g LAS-Na 10 20 15 0 0 0 5 5 AS-Na 0 10 0 0 0 0 0 0 α-SF-Na 15 0 0 0 15 5 0 AOS-K 5 0 15 0 5 2 5 Soap 5 5 5 5 5 5 2 Nonionic surfactant 5 5 5 20 5 2 2 Amorphous alumino-silica 5 5 5 5 0 5 2 acid salt Potassium carbonate 5 0 5 0 5 2 5 Polyethylene glycol 2 2 2 2 2 2 2 Cole fluorescent agent CBS 0.2 0.2 0.2 0.2 0.2 0.2 0.2 Sodium percarbonate Bleach activator shown in Table-5 Zeolite type-4A shown in Table-5 MA / AA-Na shown in Table-5 Protease 1 1 1 1 1 1 1 1 Lipase 1 shown in Table-5 1 1 1 1 1 1 Moisture 5 5 5 5 5 5 5Sodium carbonate Remainder Remainder Remainder Remainder Remainder Remainder

LAS-Na: C _{10 to} C ₁₄ sodium linear alkylbenzene sulfonate AS-Na: C _{12 to} C ₁₄ sodium alkylsulfate α-SF-Na: C _{12 to} C ₁₈ α-sulfo fatty acid methyl ester Sodium AOS-K: C _{14 to} C 1 ₁₈ potassium α-olefin sulfonate Soap: C _{8 to} C ₁₈ fatty acid sodium nonionic surfactant: C _{12 to} C ₁₆ alcohol ethylene oxide average 9 mole adduct Polyethylene glycol: weight average Molecular weight 6000 MA / AA-Na: sodium maleate / sodium acrylate copolymer (copolymerization ratio 7/3, weight average molecular weight 50,000 to 70,000) Fluorescent agent CBS: "Tinopearl CBS-X" (Ciba Geigy) ) Protease: "Durazyme 6.0T" (Novo Industry) Lipase: "Lipolase 100T" (Novo Industry)

The tea bleaching power and anti-soil redeposition effect of the bleaching detergent thus prepared were measured as follows. The results are shown in Table-5. Black tea bleaching power (1) Preparation of black tea soil cloth 15 g of twining black tea is added to 3 liters of boiled water, boiled for 5 minutes, and then leaves are filtered with gauze. 100 g of No. 100 cotton manufactured by Nisshinbo Co., Ltd. was added to this filtrate, which was boiled for 20 minutes, then rapidly cooled to room temperature, rinsed with pure water for 10 minutes, dehydrated and dried, and then applied to a tea soil cloth. (2) Evaluation of bleaching power Using a washing machine, 3'DH hard water, bath volume of 30 liters, bath ratio of 1:30, bleaching detergent concentration of 0.0667%, and a temperature of 25 ° C. 10 pieces of 5 cm)
It was washed for 1 minute and dehydrated for 1 minute. Then 3'DH, 25 ° C
It was rinsed with water for 3 minutes and dehydrated for 1 minute.
After repeating this cycle 5 times, the reflectance of the object to be washed was measured by Σ90 manufactured by Nippon Denshoku Co., Ltd., and the bleaching rate was calculated by the following formula (a).

[0023]

[Equation 1]

Anti-recontamination effect (I) Preparation of artificial dirt Clay containing crystalline minerals such as kaolinite and vermiculite as main components was dried at 200 ° C. for 30 hours and used as inorganic dirt. Gelatin in 950 cc of water 3.
After dissolving 5 g at about 40 ° C., 0.25 g of carbon black was dispersed in water using a powerful emulsifying and dispersing machine, Polytron (manufactured by KINEMATICA, Switzerland). Next, inorganic dirt 14.9g
Add Polyurethane and emulsify with Polytron, then organic dirt 31.35
g was added and emulsified and dispersed with a polytron to prepare a stable dirt bath. A 10 cm × 20 cm predetermined clean cloth (cotton cloth No. 60 designated by Japan Oil Chemistry Association) was immersed in this dirt bath, and then water was squeezed with two rubber rolls to make the quantity of dirt adhered uniform. After this dirty cloth was dried at 105 ° C. for 30 minutes, both sides of the dirty cloth were lapped 25 times on each side. This is 10
It was cut into cm × 10 cm and the one having a reflectance within the range of 42 ± 2% was used as a soil cloth. The fouling composition of the artificial fouling cloth thus obtained is shown in Table 4.

[0025]

[Table 4] Table-4 Soil components Composition (wt%) Oleic acid 28.3 Triolein 15.6 Cholesterol oleate 12.2 Liquid paraffin 2.5 Squalene 2.5 Cholesterol 1.6 (total oily soil 62 .7) Gelatin 7.0 Inorganic dirt 29.8 Carbon black (designated by Japan Oil Chemistry Association) 0.5

(II) Evaluation of recontamination prevention effect The washing device is a two-tub type washing machine (Mitsubishi Electric Corporation "Chikuma" CV).
-660W type). The cloth to be washed is 100 g of the artificial soil cloth (10 cm × 10 cm), 300 g of a white background polyester cloth (20 cm × 20 cm) as a redeposition test cloth, and 600 g of cotton cloth (20 cm × 20 cm), and the total weight is 1 kg. Put 30 liters of tap water at 25 ℃ into the washing machine, 0.0667%
A predetermined amount of detergent and an object to be washed are added so that the detergent concentration becomes equal to, and washing is performed for 10 minutes. After washing, dehydrate for 1 minute, then 3
Rinse for 1 minute, then dehydrate for 1 minute, then rinse for 3 minutes. After repeating this operation 5 times, the redeposition property of the polyester cloth was determined from the composition of Example 1 (a), (b),
It was evaluated according to the following criteria in comparison with a cleaning cloth washed with a detergent without the component (d), and shown as an average value of 10 panelists (housewives). 5 points: Whiteness after washing is clearly recognized. 4 points: Whiteness after washing is slightly recognized. 3 points: Whiteness after washing is equal. 2 points: The whiteness after washing is slightly inferior. 1 point: The whiteness after washing is obviously inferior.

[0027]

[Table 5] Table-5 ─────────────────────────────────── The present invention 1 2 3 4 5 6 7 8 9 10 11 12 Detergent used a a a a a a b b b b b b sodium percarbonate (%) 5 5 5 10 10 10 5 5 5 5 10 10 10 used bleaching structure A A B C A B A A A B CAB activator (%) 3 3 3 3 3 3 3 3 3 3 3 3 3 Zeolite (4A type) (%) 18 15 15 18 15 15 18 15 15 18 15 15 MA / AA-Na (%) 2 5 5 2 5 5 2 5 5 2 5 5 Black tea bleaching power (%) 73 75 71 77 79 73 72 75 70 75 78 72 Recontamination prevention effect (points) 5 5 5 5 5 5 5 5 5 5 5 5

[0028]

[Table 6] Table-5 (Continued) ────────────────────────── Comparative Example 13 14 15 16 Detergent a a a b Percarbonate Bleaching structure using sodium (%) 10 10 10 10 A --- A activator (%) 3 0 0 3 Zeolite (4A type) (%) 20 20 15 20 MA / AA-Na (%) 0 0 5 0 Black tea Bleaching power (%) 67 60 63 67 Recontamination prevention effect (points) 4 4 5 4

[0029]

[Table 7] Table-5 (continued) ──────────────────────────────── Present invention 17 18 19 20 21 22 23 24 25 26 Detergent used cc cc cc dd e e Sodium percarbonate (%) 5 5 5 10 10 10 10 10 10 10 Used bleaching structure A A B A A A B A B A A Activator (% ) 3 3 3 3 3 3 3 3 3 3 3 Zeolite (4A type) (%) 18 15 15 18 15 15 15 15 18 15 MA / AA-Na (%) 2 5 5 2 5 5 5 5 2 5 Tea bleaching power (%) 73 75 70 77 79 72 78 70 73 77 Recontamination prevention effect (points) 5 5 5 5 5 5 5 5 5 5

[0030]

[Table 8] Table-5 (continued) ────────────────────────────── Comparative Example 27 28 29 30 31 32 Detergents used cc de de e Sodium percarbonate (%) 10 10 10 10 10 10 Bleaching structure used A-A-A- Activator (%) 3 0 3 0 3 0 Zeolite (4A type) (%) 20 15 20 15 20 15 MA / AA-Na (%) 0 5 0 5 0 5 Black tea bleaching power (%) 67 61 68 62 67 61 Recontamination prevention effect (point) 4 5 4 5 4 5

[0031]

[Table 9] Table-5 (continued) ─────────────────────────────────── Present Invention 33 34 35 36 37 38 39 40 41 42 43 44 Detergent used f f f f f f g g g g g g sodium percarbonate (%) 20 20 20 40 40 40 20 20 20 40 40 40 used bleaching structure A A B A A A B ACCBABAB Activator (%) 5 3 3 5 3 5 5 3 5 5 3 5 Zeolite (4A type) (%) 13 10 10 8 5 8 13 10 13 8 5 8 MA / AA-Na ( %) 2 5 5 2 5 2 2 5 2 2 5 2 Black tea bleaching power (%) 78 81 79 82 82 81 78 81 79 82 82 81 Recontamination prevention effect (point) 5 5 5 5 5 5 5 5 5 5 5 Five

[0032]

[Table 10] Table-5 (continued)

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Office reference number FI technical display location C11D 3:08)

Claims (1)

[Claims] 1. An oxygen-based bleaching base compound which generates hydrogen peroxide in water (a), and (b) the following general formula (I) or (II):
A bleach activator represented by, (c) a surfactant, and (d) a monoethylenically unsaturated mono- and di-carboxylic acid (and / or salt thereof) unit having a weight average molecular weight of 1,000 to
250,000 water-soluble polymer chelating agent and (e) aluminosilicate, and the total amount of (d) component and (e) component is 10 to 50% by weight of the entire bleaching detergent composition, and The weight ratio of the component (d) and the component (e) is (d) / (e) =
The bleaching detergent composition is 100/0 to 1/99. Embedded image (In the formula, R ¹ and R ² are each independently a linear alkyl group having 7 or more carbon atoms, and M is a salt-forming cation or hydrogen.)