JP2000080397A - Detergent composition - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cleaning composition having high cleaning performance and high dyeing property of a fluorescent whitening agent to cloth. SOLUTION: (a) N, N-bis (carboxymethyl) glutamate and (b) 4,4'-bis- (2-sulfostyryl) biphenyl salt and 4,4'-bis- (4-chloro- 3-sulfostyryl)
A cleaning composition containing at least one selected from biphenyl salts at a specific ratio.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cleaning composition, and more particularly to a cleaning composition for clothing.

[0002]

2. Description of the Related Art In recent years, due to increasing interest in the effects on the environment, in the field of clothing detergents, research has been conducted on builders having good biodegradability and excellent sequestering performance. For example, JP-A-5-17714 discloses a specific organic builder obtained by reacting epoxysuccinic acid or maleic acid with aspartic acid and a detergent composition containing the same, and JP-A-6-248300. Discloses a detergent composition containing a specific amount of a builder composed of hydroxyiminodisuccinic acid, but all of them are considered to have a problem in the detergency of mud stains in particular.

[0003] On the other hand, it is common to add a fluorescent whitening agent to supplement the whiteness of the fiber. However, since the fluorescent whitening agent is expensive, it is necessary to improve the dyeing property on the cloth with as little as possible. Is desired.

[0004]

SUMMARY OF THE INVENTION An object of the present invention is to provide a cleaning composition having high cleaning performance and high dyeability of a fluorescent whitening agent onto cloth.

[0005]

SUMMARY OF THE INVENTION The present invention relates to a process for preparing (a) 0.2-5% by weight of N, N-bis (carboxymethyl) glutamate and (b) 4,4'-bis- (2-sulfostyryl) biphenyl. Salt and
The present invention relates to a detergent composition containing at least one selected from 4,4'-bis- (4-chloro-3-sulfostyryl) biphenyl salts in an amount of 0.01 to 0.2% by weight.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION The component (a) N, N-bis (carboxylmethyl) glutamate is represented by the following general formula.

[0007]

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[Wherein, M represents a hydrogen atom, an alkali metal, an alkaline earth metal, an ammonium or an amino group, and a plurality of Ms may be the same or different. By using N, N-bis (carboxylmethyl) glutamate, it is possible to improve the dyeing property on the cloth even with a small amount of the optical brightener. Further, M in the above formula is preferably an alkali metal such as sodium and potassium, particularly sodium. (a) The component is 0.2 to 5 in the composition in terms of sebum dirt cleaning property.
%, Preferably 0.5 to 3% by weight.

The component (b) is represented by the following formula: 4,4'-bis- (2-
Sulfostyryl) biphenyl salt and 4,4′-bis- (4-chloro-3-sulfostyryl) biphenyl salt. Particularly, 4,4′-bis- (2-sulfostyryl) biphenyl salt is preferable.

[0010]

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[Wherein, M 'is the same as above M, and X represents a hydrogen atom or a halogen. M 'is preferably an alkali metal such as sodium or potassium, particularly sodium. Examples of the biphenyl salt include Ciba.
Chinopearl CBS-X (M ') from Geiba (Ciba-Geigy)
Is sodium). In the composition of the present invention, the component (b) exhibits a sufficient dyeing effect even at a blending amount of 0.01 to 0.2% by weight.

The detergent composition of the present invention preferably further contains polyethylene glycol. The average molecular weight of the polyethylene glycol used in the present invention is 5,000
~ 15,000 is preferred. Polyethylene glycol is preferably incorporated in the composition in an amount of 0.05 to 2% by weight, particularly 0.1 to 1% by weight, from the viewpoints of sebum dirt cleaning properties and dyeing of a fluorescent whitening agent onto a cloth.

The detergent composition of the present invention contains a surfactant.
You may mix | blend 10-50 weight%, especially 20-45 weight%. When the amount is within this range, sufficient detergency can be obtained, and preparation of the composition is easy. Examples of the surfactant include an anionic surfactant, a nonionic surfactant, an amphoteric surfactant, and a cationic surfactant. Examples of the anionic surfactant include at least one selected from alkyl benzene sulfonates having 8 to 16 carbon atoms, alkane sulfonates, α-olefin sulfonates, sulfates of higher alcohols, and α-sulfo fatty acid salts. Used. Examples of the nonionic surfactant include a polyoxyalkylene alkyl ether having 8 to 22 carbon atoms in the alkyl group portion, a polyoxyalkylene alkyl phenyl ether, a higher fatty acid alkanolamide or an alkylene oxide adduct thereof, a sucrose fatty acid ester, Examples thereof include alkyl and alkenyl glucosides, fatty acid glycerin monoester or an alkylene oxide adduct thereof, and alkylamine oxide. In addition, as an amphoteric surfactant,
Amino acid type surfactants, N-acyl amino acid type surfactants and the like, and cationic surfactants include quaternary ammonium salts and the like. As the surfactant, a carbon number of 8 to
Preferred are anionic surfactants such as 16 alkylbenzene sulfonates and nonionic surfactants such as polyoxyalkylene alkyl ethers having 8 to 22 carbon atoms in the alkyl group.

In the cleaning composition of the present invention, the following other optional components can be blended from the viewpoint of improving the cleaning performance.

<Unsaturated carboxylic acid (co) polymer> Weight average molecular weight having a repeating unit represented by the following general formula
From 1,000 to 150,000, preferably from 10,000 to 100,000 (co) polymers or salts thereof can be incorporated.

[0016]

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(In the formula, M ₁ is the same as the above M, and the copolymerization ratio x / y is 0/10 to 5/5 in molar ratio.) i) maleic acid and (i
i) Acrylic acid and (i) / (ii) = 0 / 10-5 /
5, preferably a sodium or potassium salt of acrylic acid homopolymer or maleic acid / acrylic acid copolymer polymerized in a ratio of 2/8 to 5/5. Particularly, a sodium salt is preferable.

<Crystalline Aluminosilicate> As the crystalline aluminosilicate, a synthetic zeolite having an average primary particle size of 0.1 to 10 μm typified by A-type, X-type and P-type zeolites is preferably used in the composition. ~ 40% by weight, more preferably 10 ~
35% by weight can be blended.

<Oil-absorbing carrier> As the oil-absorbing carrier, JIS
Preferably, the oil absorption capacity by K 6220 is 100 ml / 100 g or more (anhydrous conversion) or more, and silica compounds and amorphous aluminosilicates are suitably used. As silica-based compounds, Toksil (manufactured by Tokuyama Soda Co., Ltd.), Nipseal (manufactured by Nippon Silica Co., Ltd.) or thixorex (manufactured by Kofuran Chemical Co., Ltd.) are commercially available. In the present invention, it is particularly preferable to use an amorphous aluminosilicate as an oil-absorbing carrier, not only in terms of oil-absorbing ability but also in terms of ion-exchange ability.

<Crystalline silicate> Crystalline silicates represented by the following (A) and (B) are preferred. _{x (M 2 O) · y} (SiO 2) · z (Me m O n) · w (H 2 O) (A) ( wherein, M represents a Group Ia elements of the periodic table, Me represents the periodic One or more elements selected from Group IIa, IIb, IIIa, IVa and VIII elements in the table, y / x = 0.
5 to 2.6, z / x = 0.01 to 0.9, w = 0 to 20, n / m = 0.5
~ 2.0. ) M ₂ O · x ′ (SiO ₂ ) · y ′ (H ₂ O) (B) (where M represents an element of Group Ia of the periodic table, and x ′ = 1.5 to 2.
6, y ′ = 0 to 20. ) The crystalline silicate of the general formula (B) is a trade name “Na-SKS-6” (δ-Na ₂ Si ₂ O ₅ ) from Hoechst.
As powders and granules. The crystalline silicate preferably has an ion exchange capacity of 200 CaCO ₃ mg / g or more. The crystalline silicate is preferably present in the composition at 1
-20% by weight, more preferably 3-15% by weight.

<Alkali agent> Carbonates such as sodium carbonate, amorphous silicates, and phosphates such as tripolyphosphate are mentioned, and preferably 5 to 35% by weight, more preferably 10 to 25% by weight in the composition. % By weight.

<Bleaching Agent and Bleaching Activator> Examples of the bleaching agent include sodium percarbonate and sodium perborate, and those coated with sodium borate and the like are preferable.
Examples of the bleaching activator include tetraacetylethylenediamine, acetoxybenzenesulfonate,
No. -22999, the organic peracid precursor described in JP-A-63-258447 and the compound (I-
2) to (I-7), among which compounds (I-3) and (I-
4) and metal catalysts in which a transition metal is stabilized with a sequestering agent. Bleach is present in the composition from 0.1 to 20
%, Preferably 0.5 to 10% by weight. Also,
The bleach activator may comprise from 0.1 to 10% by weight of the composition, preferably
0.1 to 8% by weight.

<Enzyme> One or more enzymes such as protease, lipase, cellulase, amylase and pectinase can be blended, preferably in an amount of 0.01 to 5% by weight.

<Fluorescent Dyes> As the fluorescent dyes other than the component (b), 2- (styrylphenyl) naphthothiazole derivatives and 4,4′-bis (triazol-2-yl) stilbene can be used as long as the effects of the present invention are not impaired. One or more of the derivative, bis (triazinylamino) stilbene disulfonic acid derivative, may be incorporated in the composition in an amount of 0.01 to 2% by weight.

The shape of the detergent composition of the present invention may be any of liquid, powder, and granules, and can be produced by a generally known production method. When the cleaning composition of the present invention is a powdery or granular composition, the average particle size is preferably from 200 to 1000 µm, particularly preferably from 200 to 600 µm, in order to obtain preferable powder properties. The bulk density in this case is 0.5 to 1.2 g / c.
m ³ , preferably 0.6 to 1.0 g / cm ³ .

[0026]

Example 1 A slurry having a solid content of 60% was prepared from the components shown in Table 1 and spray-dried to obtain a granular detergent composition of Product 1 of the present invention. The other compositions in Table 1 were similarly prepared,
The obtained granular detergent composition was subjected to a detergency test and a dyeing test of a fluorescent whitening agent by the following methods.

<Detergency Test> (1) Sebum Stain Detergency Test (Preparation of Artificial Stained Cloth) Using an gravure roll coater, apply an artificially contaminated liquid of the following composition to a cloth (cotton gold cloth 2003 cloth (Tanito Shoten), 10 cm × 10 cm). ) To prepare an artificially stained cloth.
The conditions for preparing the artificial contaminated liquid are as follows:
8cm ³ / cm ^2, coating speed 1.0 m / min, a drying temperature of 100 ° C., 1 minute drying time. The composition of the artificial contaminated liquid is lauric acid 0.
4% by weight, myristic acid 3.1% by weight, pentadecanoic acid 2.
3% by weight, palmitic acid 6.2% by weight, heptadecanoic acid 0.
4% by weight, stearic acid 1.6% by weight, oleic acid 7.8% by weight, triolein 13.1% by weight, n-hexadecyl palmitate 2.2% by weight, squalene 6.5% by weight, egg white lecithin liquid crystal material 1.9% by weight, Kanuma red clay 8.1% by weight, It is 0.01% by weight of carbon black and tap water balance.

(Washing Conditions and Evaluation Method) Five artificial stained cloths were placed in 1 liter of an aqueous solution of the detergent for evaluation, and washed at 100 rpm with a tergotometer. Washing conditions were as follows: washing time; 10 minutes, detergent concentration; 0.067%, water hardness;
Water temperature: 20 ° C, rinse; tap water for 5 minutes. The detergency was measured by measuring the reflectance at 550 nm of the original cloth before and after cleaning and the contaminated cloth before and after cleaning with a self-recording colorimeter (manufactured by Shimadzu Corporation). Was shown as detergency.

[0029]

(Equation 1)

(2) Detergency test for mud stains The detergency for mud stained cloths prepared as described below was tested in the same manner as the sebum stain described above. (Preparation of mud stained cloth) Kanuma horticultural Akadama soil at 120 ℃ ± 5 ℃
4 hours at 120 ° C. ± 5 ° C. for 2 hours, disperse about 150 g in 1 liter of perchrene, and contact fabric # 2023 with this liquid. After the brushing, the dispersion was removed, and the excessively adhered dirt was dropped to prepare a mud dirt-contaminated cloth.

(3) Evaluation method of dyeing property of fluorescent whitening agent Five cotton cloths (10 cm × 10 cm cloth) (not dyed with a fluorescent dye) were put into 1 liter of an aqueous solution of the detergent for evaluation, and 100 rpm using a tergotometer. Washed. Washing conditions are: washing time; 10
Min, detergent concentration; 0.133%, water hardness; 5 ° DH, water temperature;
25 ° C. The fluorescence intensity on the cloth is determined by measuring the reflectance of the cotton knitted cloth after cleaning with a visible light cut filter (U-360 Filter).
/ Cut off light of 360 nm or more) with a colorimetric colorimeter (Model NF (F) -300A manufactured by Nippon Denshoku Co., Ltd.), and the measured average value of the five sheets was defined as the fluorescence intensity.

[0032]

[Table 1]

(Note) GDA: N, N-bis (carboxymethyl) glutamic acid tetrasodium salt FWA: Tinopearl CBS-X (4,4'- manufactured by Ciba-Geigy)
Bis- (2-sulfostyryl) biphenyl disodium salt) ・ PEG: polyethylene glycol, average molecular weight 8000 ・ LAS: sodium salt of linear alkyl (C ₁₂ ) benzenesulfonic acid ・ SFE: α-sulfo fatty acid (coconut fatty acid composition) methyl Ester AS: Dodecyl alcohol sulfate sodium salt AE: Polyoxyethylene dodecyl ether (HLB
10.2) AG: dodecyl glucoside (average degree of sugar condensation 1.5) AA-MA copolymer: sodium salt of acrylic acid / maleic acid copolymer, socalane CP-5 manufactured by BASF PAS: sodium polyacrylate, average molecular weight 80
00 · Silicate (A): Composition M ₂ O · 1.8 SiO ₂ · 0.02 M'O (where M: Na, K, K / Na = 0.03, M '= Ca, Mg, Mg / Ca =
0.01), ion exchange capacity 290CaCO ₃ mg / g, average particle size 30
μm (crystalline silicate represented by the general formula (A)) • Silicate (B): composition M ₂ O · 2SiO ₂ , ion exchange capacity 22
4 CaCO ₃ mg / g, average particle size 30 μm (crystalline silicate represented by the general formula (B)) Common component: enzyme [alkali obtained from Bacillus spK-16 strain described in Japanese Patent Application Laid-Open No. H5-254920] Protease and JP
A mixture of alkaline cellulase obtained from Bacillus spKSM-635 strain described in JP-A-63-109775 at a ratio of 1: 2 (weight ratio)] is 1% by weight and sodium sulfate, and the total amount of sodium sulfate is 10%.
It was adjusted to be 0% by weight.

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Hideji Tagata 1334 Minato, Wakayama-shi, Wakayama Prefecture F-term in Kao Corporation Research Institute 4H003 AB19 AB21 AB27 AC05 AC08 BA09 BA12 DA01 EA15 EA16 EA28 EB13 EB22 EB30 EB32 EB36 EC02 EC03 FA43

Claims (3)

[Claims] (1) 0.2 to 5% by weight of (a) N, N-bis (carboxymethyl) glutamate and (b) 4,4'-bis- (2-sulfostyryl) biphenyl salt and 4,4'-bis -(4-chloro-3-
Sulfostyryl) One or more selected from biphenyl salts.
A detergent composition containing from 01 to 0.2% by weight. 2. The cleaning composition according to claim 1, which contains 0.05 to 2% by weight of polyethylene glycol having an average molecular weight of 5,000 to 15,000. 3. The cleaning composition according to claim 1, comprising 10 to 50% by weight of a surfactant.