JPH08157881A - Bleaching detergent composition - Google Patents

Abstract

PURPOSE: To obtain the subject composition, improved in feeling of washed fibers by adding together a specific bleaching activator, cellulase and a silicone compound to an oxygen-base bleaching base agent. CONSTITUTION: This composition contains (A) an oxygen-based bleaching base agent compound generating H2 O2 in water (e.g. sodium percarbonate), (B) a bleaching activator expressed by formula I or formula II (R1 is a 10-18C alkyl or alkenyl; M is a cation solubilizing the bleaching activator in water), (C) 0.1-2wt.% cellulase and (D) 0.1-2wt.% of a silicone compound (e.g. dimethylpolysiloxane). Preferably, the component D is mixed after carrrying in a carrier such as sodium sulfate. Preferably, a mixing content of the component A is 2-12wt.%, the component B 1-5wt.%, the component C 0.5-1.5wt.% and the component D is 0.2-1wt.% respectively.

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 having an improved feeling of washing the fibers.

[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

[0003]

DISCLOSURE OF THE INVENTION The present invention provides a bleaching detergent composition having an improved feeling when the fiber is washed.

[0004]

The bleaching detergent composition of the present invention is characterized by containing the following components (A) to (D). (A) An oxygen-based bleaching base compound that generates hydrogen peroxide in water. (B) A bleaching activator represented by the following general formula (I) or general formula (II).

[0005]

Embedded image (R _1: alkyl or alkenyl group R ₂ of 10 to 18 carbon atoms: alkyl or alkenyl group having 7 to 18 carbon atoms M: a cation providing water solubility to the bleach activator) (C) Cellulase: 0. 1-2% by weight. (D) Silicone compound: 0.1 to 2% by weight.

[0006]

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 general formula (II) are used.

[0007]

Embedded image (R _1: carbon 10 to 18, preferably 11 to 13, particularly preferably an alkyl or alkenyl group R ₂ of 11 carbon atoms: 7 to 18 carbon atoms, preferably 8 to 13, more preferably 7 to 11 Alkyl group or alkenyl group M: a cation that imparts water solubility to the bleach activator)

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

The bleach 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 bleach activator as the component (B) is preferably added in the bleaching detergent composition of the present invention in an amount of 0.5 to 10% by weight, and preferably 1 to 5% by weight.

The cellulase as the component (C) is contained in the bleaching detergent composition of the present invention in an amount of 0.1 to 2% by weight, preferably 0.5 to
It is blended at 1.5% by weight. If the blending amount is less than 0.1% by weight, the texture is not improved, while if the blending amount exceeds 2% by weight, the effect is not improved.

The silicone compound as the component (D) is added to the bleaching detergent composition of the present invention in an amount of 0.1 to 2% by weight, preferably 0.2 to 1.0% by weight. This compounded amount is 0.1
If it is less than 5% by weight, the texture is not improved, while if it exceeds 2% by weight, the cloth surface after washing becomes hard and the texture is deteriorated. As the silicone compound, an alkoxylated polysiloxane or the like can be used, and a compound represented by the following general formula (4) is typical.

[0012]

[Chemical 4] (R, R ': an alkyl group such as a methyl group, an ethyl group, a butyl group, a phenyl group or an aryl group X: represents a repeating unit, preferably 20 to 2000)

The weight average molecular weight of the silicone compound is 20.
0-200000 is preferable, and dimethyl polysiroquine, diethyl polysiroquine, dipropyl polysiloxane, dibutyl polysiloxane, methyl ethyl polysiloxane, phenyl methyl polysiloxane, etc. are illustrated.
It is preferable that these silicone compounds are supported and blended on a carrier such as a neutral inorganic salt such as sodium sulfate or sodium chloride.

In the bleaching detergent composition of the present invention, appropriate optional components can be blended, and if necessary, anionic surfactant, nonionic surfactant, inorganic / organic builder, anti-soil redeposition agent, enzyme, coloring Agents, fragrances, fluorescent agents, etc. are 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 anionic surfactant, a linear or branched alkyl (average carbon chain length 8 to 18) benzene sulfonate, a long chain alkyl (average carbon chain length 10 to 20) sulfonate, a long chain olefin (average Carbon chain length 10-20)
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 salt, polyoxyethylene monoalkyl, dialkyl or sesquialkyl phosphorus salt An acid salt or the like is used. 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, linear alkylbenzene sulfonate, α-olefin sulfonate, alkyl sulfate ester salt, and α-sulfo fatty acid ester salt are preferably used.

The nonionic surfactant has about 8 carbon atoms.
24 higher alcohols, polyhydric alcohols, fatty acids, fatty acid amides, fatty amines, alkylphenols and n
-The alkylene oxide adduct of synthetic alcohol obtained by oxidizing paraffin or α-olefin is 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 ~C} 14 secondary alkyl ether, POE
(P = 15) hexyl decyl ether, POE (p = 2
0) nonyl phenyl ether, POE (p = 11) stearyl ether, POE (p = 10) glyceryl monostearate, POE (p = 10) isostearyl ether, POE (p = 50) trimethylolpropane, PO
E (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) stearyl amide, POE (p = 9) POP (p = 5) C 12 ~
C ₁₄ secondary alkyl ether and the like. POE is polyoxyethylene, POP is polyoxypropylene,
p represents the average number of moles of alkylene oxide added.

As the inorganic alkali builder, carbonate,
Examples thereof include sulfates and silicates. Examples of other chelate builders include tripolyphosphate, ethylenediaminetetraacetate, diethylenetriaminepentaacetate, nitrilotriacetate, and inorganic phosphorus compounds represented by 1-hydroxyethane-1,1-diphosphonate. General formula (II
Examples thereof include polyphosphonic acids typified by the compounds represented by I) to (VI), organic phosphates typified by phytic acid, (meth) acrylic acid-based polymers, and zeolite.

[0018]

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, amylase, etc., and lipolytic enzymes include alkaline lipase, etc.

[0020]

According to the present invention, in a bleaching detergent composition containing an oxygen-based bleaching base such as sodium percarbonate, a specific bleaching activator and a cellulase and a silicone compound are used in combination to produce a fiber. It is possible to improve the texture when washing.

[0021]

Example A bleaching detergent composition having various compositions was prepared, and the texture after washing and drying was evaluated by the following method.

(1) Evaluation method of texture after washing and drying A 10% by weight benzene solution of organic fouling containing fouling components shown in Table 1 below was used to adjust the weight of the fiber to 0.6% by weight. Air-dry evenly and adjust the dirt cloth.

[0023]

[Table 1] Table 1: Soil components Soil composition (wt%) Oleic acid 40.6 Triolein 22.4 Cholesterol oleate 17.5 Liquid paraffin 3.6 Squalene 3.6 Cholesterol 2.3 Gelatin 10.0

Using a washing machine, 3DH hard water, bath volume 30L, bath ratio 1:30, bleaching detergent concentration 0.0833%, temperature 25 ° C
Under the conditions, the soiled cloth was washed for 10 minutes and dehydrated for 1 minute. Then, rinsing with water of 3 DH and 25 ° C. for 3 minutes and dehydration for 1 minute were repeated twice. After that, the texture of the article to be washed was judged by a pair of evaluations by 5 persons according to the criteria of Table 2, and the average value thereof was used as the score. The controls are activator, cellulase,
It was washed with each detergent containing no silicone compound.

[0025]

[Table 2] Table 2: Texture evaluation score Rating +2 Softer than control +1 Softer than control 0 Same as control -1 Softer control-2 Softer control

(2) Bleach Activators Used The structures of the bleach activators A to R incorporated are shown in the general formula (VII) of the following chemical formula 6 and Table 3.

[0027]

[Chemical 6]

[0028]

[Table 3]

(3) Preparation and Evaluation of Bleaching Detergent Composition A bulk density detergent composition having the composition shown in Table 4 was prepared. Here, the silicone compound, sodium percarbonate, bleach activator, cellulase, and alkaline protease were powder-mixed with the detergent base in which the remaining components were granulated. The silicone compound was supported on sodium sulfate and granulated.

The structure of the bleach activator is shown in Table 3.
The blending amounts of cellulase and silicone compound are shown in Table 5. Table 5 shows the evaluation results when the basic composition of the bleaching detergent composition, the type of bleach activator, the cellulase, and the compounding amount of the silicone compound described in Table 5 were used.

[0031]

[Table 4] Table 4: High bulk density bleaching detergent composition (bulk conductivity: 0.8 g / cc) Composition (% by weight) Detergent a Detergent b Detergent c LAS-K 25 15 -AS -Na 10 -5 AOS-K -5-α-SF-Na-10- Soap 5 5 5 5 Nonionic surfactant 5 5 20 Zeolite (4A type) 25 25 25 Potassium carbonate-5-sodium silicate 10 5 5 Sodium sulfate 2 222 Polyethylene glycol 33 3 3 Polyacrylic acid Na 2 2 2 Alkaline protease 0.5 0.5 0.5 0.5 Carboxymethyl cellulose 2 2 2 Sodium percarbonate 5 5 5 Bleach activator 2 2 2 Water 6 6 6 Sodium carbonate Remainder Remainder * 1) the amount, the table 5 in the described bleach activators: content according LAS-K in Table 5: linear alkyl (C ₁₀ ~C ₁₄₎ potassium benzenesulfonate AS Na: C ₁₂ -C ₁₅ sodium alkyl sulfate AOS-K of: potassium alpha-olefin sulfonic acid _{C 14 ~C 18 α-SF-} Na: C 14 ~C 16 saturated fatty acid methyl ester sulfonate sodium soap: C _{14- C18} Saturated fatty acid sodium Nonionic surfactant: Alkyl (C ₁₃ ) ether ethoxylate (Ethylene oxide average added mole number = 6) Na polyacrylate: Weight average molecular weight 10000 Polyethylene glycol: Weight average molecular weight 6000

[0032]

[Table 5] Table 5: Evaluation results (ability to impart texture to fiber) Blending amount (wt%) Sample No. Detergent activator used No. Cellulase Silicone texture Example 1 a A 1.5 0.2 +2 Example 2 b B 1.0 0.2 ＋2 Example 3 c C 0.5 0.3 ＋2 Example 4 a D 0.2 1.0 +1 Example 5 c E 0.8 0.3 +2 Example 6 a F 0.5 1.0 ＋2 Example 7 a G 0.1 1.5 +1 Example 8 a H 0.3 0.5 +2 Example 9 a I 0.3 0.5 +2 Example 10 a J 0.3 0.5 +2 Example 11 a K 0.3 0.5 +2 Example 12 a L 0.3 0.5 +2 Example 13 a M 0.3 0.5 +2 Example 14 a N 0.3 0.5 +2 Example Example 15 a O 0.3 0.5 +2 Example 16 a P 0.3 0.5 +2 Comparative Example 17 a −0.5 1.0 0 Comparative Example 18 a A −1.0 −2 Comparative Example 19 a A 0.5 −−1 Comparative Example 20 a Q 0.3 2.0 −2

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Internal reference number FI technical display location D06L 3/02 D06M 15/643

Claims (1)

[Claims] 1. An oxygen-based bleaching base compound which generates hydrogen peroxide in water (A), and (B) a bleaching activator represented by the following general formula (I) or general formula (II): And, (R _1: alkyl or alkenyl group R ₂ of 10 to 18 carbon atoms: alkyl or alkenyl group having 7 to 18 carbon atoms M: a cation providing water solubility to the bleach activator) (C) Cellulase: 0. A bleaching detergent composition comprising 1 to 2% by weight and (D) a silicone compound: 0.1 to 2% by weight.