JPH08157880A - Bleaching detergent composition - Google Patents

Abstract

PURPOSE: To obtain the subject composition, improved in bleaching power and the storage stability of an oxygen-based bleaching base agent when storing by adding together a specific bleaching activator and a specific nonion surfactant to an oxygen-based bleaching base agent compound. CONSTITUTION: This composition contains (A) an oxygen-based bleaching agent compound generating H2 O2 in water, (B) a bleaching activator containing (i) an activator expressed by formula I (R1 is an alkyl or an alkenyl; M is a cation solubilizing the bleaching activator in water) and having a carbon number of the R1 of 11 and (ii) an activator expressed by formula I and having a carbon number of the R1 of 13 in a weight ratio of the components (i)/(ii) of 100/0-50/50, or (iii) an activator expressed by formula II (R2 is R1 ) and having a carbon number of the R2 of 9 and (iv) an activator expressed by formula II and having a carbon number of the R2 of 11 in a weight ratio of the components (iii)/(iv) of 100/0-50/50 and (C) 9-30wt.% of a nonion surfactant (preferably an alcohol ethoxylate obtained by adding 6-9mol of ethylene oxide to a 12-14C primary or secondary alcohol).

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION The present invention relates to a bleaching detergent composition having excellent bleaching power.

[0002]

2. Description of the Related Art Currently, bleaching agents and bleaching detergents for clothing are
Oxygen-based bleaching bases such as sodium percarbonate and sodium perborate are mainly used. However, since sufficient bleaching performance cannot be obtained with only these bases, organic peracid precursors such as TAED (tetraacetylethylenediamine), PAG (pentaacetylglucose) and OOBS (sodium octanoyloxybenzenesulfonate). Came to be used together. These organic peracid precursors react with hydrogen peroxide compounds such as sodium percarbonate to generate highly bleaching organic peracids, and effectively remove stains such as food stains and yellowing on clothing. You can However, improvements in bleaching power are even more desirable.

[0003]

SUMMARY OF THE INVENTION The present invention provides a bleaching detergent composition having improved bleaching power.

[0004]

The bleaching detergent composition of the present invention is characterized by containing the following components (A), (B) and (C). (A) An oxygen-based bleaching base compound that generates hydrogen peroxide in water. (B) represented by the following general formula of 3 (I), the carbon number of R ₁ is a component of the 11 (B ₁₎ and the C ₁₁ SO ₃ M activators, the carbon number of R ₁ is 13 The component (B ₂ ) C ₁₃ SO
Weight ratio of ₃ M activator (B ₁ ) / (B ₂ ) = 100 /
A bleaching activator contained in the range of 0 to 50/50, or a (B ₃ ) C ₉ COOM activator represented by the general formula (II) of the following chemical formula 4, in which R ₂ has 9 carbon atoms. And (B ₄ ) C ₁₁ COOM activator, which is a component of R ₂ having 11 carbon atoms, in a weight ratio of (B ₃ ) / (B ₄ ) = 100/0 to 50/50 Activator.

[0005]

Embedded image (R ₁ : an alkyl group or an alkenyl group, M: a cation that imparts water solubility to the bleaching activator)

[0006]

[Chemical 4] (R _2: an alkyl group or alkenyl group M: a cation providing water solubility to the bleach activator) (C) nonionic surfactant: 9 to 30 wt%.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION As the oxygen-based bleaching base compound as the component (A), a compound capable of generating hydrogen peroxide in water is used, and sodium percarbonate and sodium perborate are typical. The oxygen-based bleaching base compound as the component (A) is preferably blended in the bleaching detergent composition of the present invention in an amount of 1 to 15% by weight, more preferably 2 to 12% by weight. As the bleach activator of the component (B) of the present invention, those represented by the following general formula (I) or the general formula (II) of chemical formula 5 are used.

[0008]

Embedded image (R ₁ : an alkyl group or an alkenyl group, M: a cation that imparts water solubility to the bleaching activator)

[0009]

[Chemical 6] (R _2: an alkyl group or alkenyl group M: a cation providing water solubility to the bleach activator)

Here, M is hydrogen, sodium which imparts water solubility to the compound of the general formula (I) or the general formula (II),
A cation that forms a water-soluble salt such as an alkali metal such as potassium and a substituted or unsubstituted ammonium salt such as alkanolamine. In the general formula (I) or (II), the bonding position of each of the benzene rings of —SO ₃ M and —COOM with respect to R ₁ —COO— or R ₂ —COO— may be an ortho position, a meta position, or a para position. However, it is preferably in the para position.

The bleach activator of the component (B) of the present invention is a compound of the general formula (I) in which (B ₁ ) R ₁ has 11 carbon atoms and (B ₂ ) R ₁ has carbon atoms. In a weight ratio of (B ₁ ) / (B ₂ ) = 100/0 to 50/50,
It is important that the content is preferably in the range of 100/0 to 80/20. Further, the bleach activator of the component (B) of the present invention is (B ₃ ) R _{2 in the} above general formula (II).
Of the compound having 9 carbon atoms of (B ₂ ) R ₂ and the compound having 11 carbon atoms of (B ₂ ) R ₂ (B ₃ ) / (B ₄ ) = 100/0 to 50
It is important that the content is in the range of / 50, preferably 100/0 to 80/20. If these ratios are less than 50/50, the effect of improving the bleaching power and the storage stability of the oxygen-based bleaching base will be reduced.

The bleaching activator of the component (B) of the present invention can be used as a granulated product by using a binder such as polyethylene glycol or a nonionic surfactant.
The bleaching activator as the component (B) is preferably added to the bleaching detergent composition of the present invention in an amount of 0.5 to 10% by weight, and preferably 1.0 to 5.0% by weight.

As the nonionic surfactant as the component (C), a higher alcohol or a polyvalent alcohol having about 8 to 24 carbon atoms is used.
Alkylene oxide adducts of synthetic alcohols obtained by oxidizing n-paraffins, fatty acid amides, fatty amines, alkylphenols and n-paraffins and α-olefins are used. As the alkylene oxide, ethylene oxide, propylene oxide and butylene oxide are used. Specifically, POE (p = 10) lauryl ether, POE (p = 9) C _{12 to} C ₁₄ secondary alkyl ether, POE (p = 15) hexyl decyl ether,
POE (p = 20) nonyl phenyl ether, POE
(P = 11) stearyl ether, POE (p = 10)
Glyceryl monostearate, POE (p = 10) isostearyl ether, POE (p = 50) trimethylolpropane, POE (p = 30) hydrogenated castor oil, POE
(P = 60) hydrogenated castor oil monolaurate, POE (p
= 20) sorbitan monooleate, POE (p = 30)
Glyceryl triisostearate, POE (p = 20)
Glyceryl monostearate, POE (p = 6) stearylamine, lauroyl diethanolamide, POE
(P = 10) stearylamide, POE (p = 9) PO
P (p = 5) C _{12 to} C ₁₄ secondary alkyl ether and the like. POE is polyoxyethylene, POP is polyoxypropylene, and p is the average number of moles of alkylene oxide added.

Among these nonionic surfactants, the number of carbon atoms is 8
Alcohol ethoxylates having an average of 5 mol or more, preferably 6 to 9 mol of ethylene oxide added to primary or secondary alcohols of 18 to 18, preferably 12 to 14, are suitable.

The nonionic surfactant as the component (C) is contained in the bleaching detergent composition of the present invention in an amount of 9 to 30% by weight, preferably 2%.
0 to 25% by weight is blended. If the content is less than 9% by weight, the detergency of oily stains and the like will be significantly reduced, while if it exceeds 30% by weight, the hydrogen peroxide decomposition rate of the bleach activator will be reduced, resulting in a reduction in the bleaching power.

As the non-soap-based anionic surfactant,
Linear or branched alkyl (average carbon chain length 8-18) benzene sulfonate, long-chain alkyl (average carbon chain length 10-10)
20) Sulfonates, long-chain olefins (average carbon chain length 1
0-20) Sulfonate, long-chain monoalkyl (average carbon chain length 10-20) sulfate ester salt, α-sulfo fatty acid ester salt, polyoxyethylene long-chain alkyl (average carbon chain length 10-16) ether sulfate ester Salt, polyoxyethylene alkyl (average carbon chain length 6 to 12) phenyl ether sulfate ester salt, long-chain monoalkyl, dialkyl or sesquialkyl phosphate, polyoxyethylene monoalkyl, dialkyl or sesquialkyl phosphate, etc. are used. To be These anionic surfactants may be neutralized after being added in the acid state, or may be added as an alkali metal salt such as sodium or potassium, an amine salt, an ammonium salt or the like. Among the anionic surfactants,
A linear alkylbenzene sulfonate, an α-olefin sulfonate, an alkyl sulfate ester salt, and an α-sulfo fatty acid ester salt are preferably used.

The non-soap type anionic surfactant is contained in the bleaching detergent composition of the present invention in an amount of preferably 1 to 9% by weight, more preferably 2 to 7% by weight. When the content is less than 1% by weight, the fluidity of the detergent is deteriorated and the bleaching base is decomposed, while when it exceeds 9% by weight, the compatibility with the nonionic surfactant is deteriorated.

In the bleaching detergent composition of the present invention,
A type zeolite, X type zeolite, Y type zeolite, P
It is desirable to combine crystalline aluminosilicates such as type zeolite with amorphous aluminosilicates. The crystalline aluminosilicate is present in the bleaching detergent composition of the present invention in an amount of 15-4.
It is preferable to add 0% by weight, preferably 20 to 3
0% by weight. On the other hand, the amorphous aluminosilicate is preferably added in the bleaching detergent composition of the present invention in an amount of 3 to 20% by weight, preferably 5 to 15% by weight.

The combined use of the crystalline aluminosilicate and the amorphous aluminosilicate in the bleaching detergent composition of the present invention can further improve the bleaching power and detergency.

In the bleaching detergent composition of the present invention, appropriate optional components can be blended, and if necessary, other surfactants, inorganic / organic builders, anti-redeposition agents, enzymes, colorants, fragrances, A fluorescent agent or the like is used. These are powder-mixed in the bleaching detergent composition of the present invention by granulating each other or as they are, as in the case of conventional granular detergents for clothes and the like.

As the inorganic alkali builder, carbonate,
Examples thereof include sulfates and silicates. Other chelate builders include tripolyphosphate, ethylenediaminetetraacetic acid salt, diethylenetriaminepentaacetic acid salt, nitrilotriacetic acid salt, and inorganic phosphorus compounds represented by 1-hydroxyethane-1,1-diphosphonate. General formula (II
Examples thereof include polyphosphonic acids represented by the compounds represented by I) to (VI), organic phosphates represented by phytic acid, and (meth) acrylic acid-based polymers.

[0022]

Embedded image N (CH ₂ PO ₃ H ₂ ) ₃ (III) (H ₂ O ₃ PCH ₂ ) ₂ N (CH ₂ ) m N (CH ₂ PO ₃ H ₂ ) ₂ (IV) (In the formula, m = 2 to 6 and n = 1 to 2 are shown)

Anti-recontamination agents include polyvinyl alcohol, carboxymethyl cellulose and the like. As a protease, savinase 6.0T
(Novo Nordix, Inc.), alcalase, cellulase, amylase and the like, and lipolytic enzymes include alkaline lipase and the like.

[0024]

According to the present invention, in a bleaching detergent composition containing an oxygen-based bleaching base such as sodium percarbonate, by blending a specific bleaching activator and a nonionic surfactant in combination, It is possible to improve the bleaching power and the storage stability of the oxygen-based bleaching base during storage.

[0025]

Example A bleaching detergent composition having various compositions was prepared, and the bleaching power and the stability of the bleaching base material (sodium percarbonate) were evaluated by the following methods.

(1) Preparation of black tea soil cloth 15 g of twining black tea was added to 3 liters of boiled water, boiled for 5 minutes, and leaves were filtered with gauze. After adding 100 g of 100th Nisshinbo cotton to this filtrate and boiling for 20 minutes,
It was rapidly cooled to room temperature, rinsed with pure water for 10 minutes, dehydrated and dried, and then applied to a black tea soil cloth.

(2) Evaluation of bleaching power Using a washing machine, 3DH hard water, bath volume 30L, bath ratio 1:30,
Under a condition of a bleaching detergent concentration of 0.0833% and a temperature of 25 ° C., 10 pieces of black tea soil cloth (5 × 5 cm) were put and washed for 10 minutes and dehydrated for 1 minute. Then, it was rinsed with water at 3 DH and 25 ° C. for 3 minutes and dehydrated for 1 minute. After repeating this cycle 5 times, the reflectance of the article to be washed was measured by Σ90 manufactured by NEC Corporation, and the bleaching rate was calculated by the following formula (a).

[0028]

[Equation 1]

(2) Effective oxygen residual rate (storage stability of sodium percarbonate) 100 g of the bleaching detergent composition was filled in a glass bottle and sealed, and then 45 ° C., 85% RH (16 hours) and 25 ° C., 60 %
After storing for 30 days under the condition of RH (8 hours), the amount of available oxygen was measured, and the residual ratio of available oxygen was calculated by the following equation 2 to evaluate the storage stability of sodium percarbonate.

[0030]

[Equation 2]

(3) Bleach Activator Used The structures of the bleach activators A to F incorporated are shown in the following general formula (VII) of the chemical formula 8 and Table 1.

[0032]

Embedded image

[0033]

[Table 1]

(3) Preparation and Evaluation of Bleaching Detergent Composition Bulk density detergent compositions having the compositions shown in Tables 2 and 3 were prepared. Here, the sodium percarbonate, the bleach activator, and the alkaline protease were powder-mixed with the detergent base in which the remaining components were granulated.

The structure of the bleach activator is shown in Table 1.
Table 3 shows the evaluation results when the basic composition of the bleaching detergent composition and the type of bleach activator described in Table 3 were used.

[0036]

[Table 2]Table 2: High bulk density bleaching detergent composition (bulk conductivity: 0.8 g / cc) Composition (wt%) Detergent a Detergent b Detergent c Detergent d Detergent e Detergent f Nonionic surfactant 9 18 23 23 25 29 AS-Na 9 5 0 6 5 1 AES-Na 0 1 2 3 2 0Soap 5 5 5 5 5 5 Amorphous aluminosilicate 15 10 5 5 5 5 Zeolite (4A type) 25 25 20 20 20 15 Sodium silicate 5 5 5 5 5 5 Sodium sulfate 2 2 2 2 2 2 Alkaline protease 0.5 0.5 0.5 0.5 0.5 0.5 Polyethylene glycol 3 3 3 3 3 3 Polyacrylic acid Na 2 2 2 2 2 2 2 Carboxymethyl cellulose 2 2 2 2 2 2 Sodium percarbonate 5 5 5 5 5 5 Bleach activator *¹*¹*¹*¹*¹*¹  Water 6 6 6 6 6 6 Sodium carbonate Remainder Remainder Remainder Remaining part Remaining part Remaining part * 1) The blending amount is described in Table 3. Bleach activator: Content is described in Table 3. Nonionic surfactant: ethylene oxide average 9 mol adduct of saturated alcohol having 12 to 14 carbon atoms AS-Na: C₁₂~ C₁₄Alkylsulfate of AES-Na: The carbon number of the alkyl group is C₁₂~ C₁₄, Ethylene oxide average addition polyoxyethylene alkyl ether sulfate ester salt with a molar number of 3 Soap: C₁₄~ C₁₈Saturated fatty acid sodium polyacrylate Na: weight average molecular weight 10,000 Polyethylene glycol: weight average molecular weight 6000

[0037]

[Table 3] Table 3: Evaluation results Bleach activator used Sample No. Detergent blending ratio Total blending amount Bleaching power stability Example 1 a A / B = 100/0 2% 30% 90% Example 2 b C / D = 95/5 2% 31% 82% Example 3 c A / B = 90/10 2% 39% 84% Example 4 d C / D = 80/20 2% 37% 85% Example 5 e A / B = 70/30 2% 31% 87% Example 6 f A / B = 60/40 2% 29% 89% Example 7 a A / B = 50/50 2% 27% 92% Example 8 a E / F = 95/5 52 % 28% 91% Comparative example 9 a A / B = 45/55 2% 13% 65% Comparative example 10 b C / D = 40/60 2% 12% 66% Comparative example 11 c A / B = 30/70 2% 10% 68%

Claims (4)

[Claims] 1. An oxygen-based bleaching base compound which generates hydrogen peroxide in water (A), and (B) is represented by the following general formula (I), wherein R ₁ has 11 carbon atoms. (B ₁ ) C ₁₁ SO ₃ M activator, which is a component, and (B ₂ ) C ₁₃ SO, which is a component in which R ₁ has 13 carbon atoms.
Weight ratio of ₃ M activator (B ₁ ) / (B ₂ ) = 100 /
A bleaching activator contained in the range of 0 to 50/50, or a (B ₃ ) C ₉ COOM activator represented by the general formula (II) of the following chemical formula ₂ , in which R ₂ has 9 carbon atoms. And a (B ₄ ) C ₁₁ COOM activator in which R _{2 has} a carbon number of 11 in the range of (B ₃ ) / (B ₄ ) = 100/0 to 50/50. And, (R _{1 is} an alkyl group or an alkenyl group, M is a cation that imparts water solubility to the bleaching activator) (R _2: an alkyl group or alkenyl group M: a cation providing water solubility to the bleach activator) (C) nonionic surface active agent: 9-30 wt% and bleaching detergent composition characterized by containing a. 2. The nonionic surfactant has 8 to 18 carbon atoms.
The bleaching detergent composition according to claim 1, which is an alcohol ethoxylate obtained by adding 5 mol or more of ethylene oxide to the primary or secondary alcohol on average. 3. A non-soap-based anionic surfactant is used in an amount of 1-9.
The bleaching detergent composition according to claim 1, wherein the bleaching detergent composition is contained in a weight percentage. 4. The bleaching detergent composition according to claim 1, further comprising a crystalline aluminosilicate and an amorphous aluminosilicate.