JPH10204480A - Liquid cleanser composition for kitchen and its surrounding - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain the subject composition mild to hand skin, without damaging a surface of a substrate, and capable of manifesting an excellent detergency, rinsing ability and wiping off ability against an inorganic dirt and an oil dirt by formulating specified proportions of a specific surfactant, a cheating agent, a solvent and a thickener. SOLUTION: This liquid cleanser composition for a kitchen and its surrounding having pH6-8 is obtained by formulation 0.01-10wt.% cationic surfactant such as benzethonium chloride, benzalkonium chloride, etc., (B) 1-20wt.% metal cheating agent such as polyhydric hydroxycarboxylic acid (salt) and polybasic phosphonic acid (salt), (C) 0.5-10wt.% water-soluble solvent such as a compound of the formula R3 O(C2 H4 O)m (C3 H6 O)n R4 [R3 and R4 are each H, a 1-8C alkyl, etc., with the proviso that both of the R3 and R4 are not H; (m) and (n) are each 0-10 and (m)+(n) is larger then 0] and monohydric 1-5C alcohol, and (D) 0.01-3wt.% thickening polysaccharides such as xanthane gam.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is suitable for use as a liquid detergent composition for kitchen surroundings, particularly for kitchen soils such as inorganic soils such as silicon and calcium and oil stains such as oil splashing stains in the kitchen. The present invention relates to a liquid detergent composition for kitchen surroundings.

[0002]

2. Description of the Related Art In a sink or a countertop used for washing dishes and vegetables, etc.
Around the kitchen such as a gas stove, inorganic stains containing silicon and calcium as main components, oil stains from cooking and tableware,
Alternatively, those composite stains are attached.

Conventionally, a powder or liquid cleanser containing a polishing agent, a strong alkaline cleaning agent or the like has been used for such stains. However, in the former case, although it has excellent cleaning properties against such stains, it has disadvantages such as poor rinsing properties and wiping properties, easy powder residue, and scratches on the substrate surface due to abrasives. Was. Also,
In the latter case, there are drawbacks such as insufficient cleaning power for inorganic dirt and rough hands due to alkali.

Japanese Patent Application Laid-Open No. 1-2221498 discloses a composition for effectively cleaning dirt mainly generated in a bathroom by using a combination of an activator such as an anion, a nonionic or an amphoteric, a sequestering agent, and a solvent. However, there has been a problem that the effect is insufficient for silicon-based dirt generated specifically in a kitchen.

[0005] Under such circumstances, it is an object of the present invention to provide a kitchen wrapping system which has excellent detergency and rinsing properties against inorganic dirt and oily dirt generated in the kitchen and has a good finish without damaging the substrate surface. It is to provide a liquid detergent composition for use. It is still another object of the present invention to provide a neutral detergent liquid detergent composition for kitchen surroundings which is gentle on hand skin.

[0006]

The inventors of the present invention have conducted intensive studies to solve the above-mentioned problems, and as a result, have identified a cationic surfactant, a metal chelating agent, a water-soluble solvent and a thickening polysaccharide, respectively. The present invention has been found that a detergent composition containing a large amount thereof has extremely excellent detergency, rinsing properties, and wiping properties against inorganic stains and oil stains containing silicon or calcium as a main component, or composite stains thereof. Was completed.

That is, the present invention relates to (a) a cationic surfactant; 0.01 to 10% by weight, (b) a metal chelating agent, 1 to 20% by weight, (c) a water-soluble solvent, and 0.5 to 10% by weight. A liquid detergent composition for kitchen surroundings, comprising 0.01 to 3% by weight of a mucopolysaccharide and having a pH of 6 to 8. This configuration is effective for cleaning silicon-based dirt generated around the kitchen.

It is presumed that the cationic surfactant of the component (a) used in the present invention mainly acts on inorganic soil to enhance the cleaning effect. Examples of such a cationic surfactant include benzethonium chloride, benzalkonium chloride, dialkyldimethylammonium halide,
Examples thereof include monoalkyltrimethylammonium halide, alkyldiaminoethylglycine, and alkylpolyaminoethylglycine, and benzethonium chloride and benzalkonium chloride are preferable in terms of high detergency. These cationic surfactants constitute 0.01 to 10% by weight of the total composition,
Particularly, it is preferable to add 0.03 to 5% by weight.

Further, in the present invention, in addition to the cationic surfactant of the component (a), a nonionic surfactant and / or an amphoteric surfactant may be used as the component (e) for the purpose of enhancing the cleaning effect and the foaming property. An activator can be used.

Among these (e) components, examples of the nonionic surfactant include polyoxyethylene alkyl ether, polyoxyethylene alkylene ether, polyoxyethylene sorbitan fatty acid ester, polyoxyethylene sorbite fatty acid ester, and alkyl glycoside. Sucrose fatty acid esters, alkyl polyglycerin ethers and the like. Examples of the amphoteric surfactant include alkylcarbobetaine, alkylsulfobetaine, alkyldimethylamine oxide, and alkylcarboxymethylhydroxyethylimidazolinium betaine. Of these, alkyl glycosides are particularly preferred in terms of excellent detergency, rinsing properties, and wiping properties.

Such an alkyl glycoside is represented by the following general formula (1). R ₁ (OR ₂ ) _x G _y (1) (wherein, R ₁ represents a linear or branched alkyl group or alkenyl group having 8 to 18 carbon atoms, or an alkylphenyl group;
R ₂ represents an alkylene group having 2 to 4 carbon atoms;
Is a residue derived from a reducing sugar having ６6. x (average value) is 0 to 5, and y (average value) is 1 to 5. The average value of x in the above formula is from 0 to 5, but changing this value changes the water solubility and crystallinity of the liquid detergent composition of the present invention. In other words, the larger the value of x,
Water solubility tends to increase and crystallinity tends to decrease.
A preferred value of x is 0 to 2, and particularly preferably 0. On the other hand, when the average value of y is larger than 1, that is, when a sugar group of two or more sugars is used as a hydrophilic group, the linkage mode of sugar chains is 1-2, 1-3, 1-4, 1-6 linkage. As well as any mixture having α-, β-pyranoside bonds or furanoside bonds and mixed modes of bonding thereof. The average value of y in the general formula (1) is 1 to 5, preferably 1 to 1.5, and more preferably 1.1 to 1.
4 In addition, the measuring method of y is based on a proton NMR method.

R ₁ in the formula is preferably an alkyl group having 10 to 14 carbon atoms from the viewpoint of solubility and detergency. R ₂ is preferably an alkylene group having 2 to 3 carbon atoms from the viewpoint of water solubility.
Further, the structure of G is determined by a raw material of monosaccharide or disaccharide or more. Examples of the raw material of G include glucose, fructose, galactose, xylose, mannose, lyxose, arabinose, and mixtures of monosaccharides. And maltose for disaccharides or more,
Xylobiose, isomaltose, cellobiose, gentibiose, lactose, sucrose, nigerose, turanose, raffinose, gentianose, melezitose, and mixtures thereof. Among these, preferred raw materials are glucose and fructose for monosaccharides, and maltose and sucrose for disaccharides or more, in view of their availability and cost.
Of these, glucose is particularly preferred in terms of availability.

As the component (e), one or a combination of two or more of these nonionic surfactants and amphoteric surfactants can be used, and the total of the component (a) and the component (e) can be used. It is preferable that the compounding be made within a range of 10% by weight or less in the whole composition. The sum of component (a) and component (e) is 10
When the content is more than 10% by weight, there is no large difference in the detergency. When the component (e) is used in combination, the weight ratio of (a) / (e) is from 1/10 to
It is preferably 10/1, more preferably 1/5 to 5/1, and still more preferably 1/3 to 3/1.

The metal chelating agent of the component (b) of the present invention is not particularly limited as long as it has the ability to chelate a metal ion. For example, ethylenediaminetetraacetic acid, hydroxyethylethylenediaminetriacetic acid,
Diethylenetriaminepentaacetic acid, nitrilotriacetic acid,
Triethylenetetramine hexaacetic acid, aminotri (methylenephosphonic acid), 1-hydroxyethylidene-1,1
-Diphosphonic acid, ethylenediaminetetra (methylenephosphonic acid), ethyleneglycolbis (2-aminoethylether) tetraacetic acid, citric acid, tartaric acid, malic acid, maleic acid, polyacrylic acid, isoamylene-maleic acid copolymer, gluconic acid , Hydroxybenzylimidinoacetic acid, imidinoacetic acid and salts thereof.
Among them, polyvalent hydroxycarboxylic acids such as citric acid, tartaric acid and malic acid or salts thereof, aminotri (methylenephosphonic acid), 1-hydroxyethylidene-1,
It is preferable to use polyvalent phosphonic acids such as 1-diphosphonic acid and ethylenediaminetetra (methylenephosphonic acid) or salts thereof since a particularly excellent washing effect can be obtained.

In the present invention, the metal chelating agent of the component (b) can be used alone or in combination of two or more, and is contained in the entire composition in the range of 1 to 20% by weight, particularly 3 to 10% by weight. Is preferred. When the amount is less than 1% by weight, a sufficient effect cannot be obtained. When the amount is more than 20% by weight, precipitation of a metal chelating agent occurs during storage, which is not preferable because the quality is deteriorated.

The water-soluble solvent of the component (c) used in the present invention is not particularly limited, but is selected from a compound represented by the following general formula (2) and a monohydric alcohol having 1 to 5 carbon atoms. One or more of these are preferred. _{R 3 O (C 2 H 4} O) m (C 3 H 6 O) n R 4 (2) ( wherein, R ₃ and R ₄ are each a hydrogen atom, a carbon number 1 to 8
Alkyl group, but a phenyl group or a benzyl group, R ₃
And when both R ₄ and R ₄ are hydrogen atoms. m is 0-10
And n represents an integer of 0 to 10, except when both m and n are 0. ).

In the water-soluble solvent represented by the general formula (2), when R ₃ and / or R ₄ is an alkyl group, the number of carbon atoms is particularly preferably 1 to 4. In the formula (2), m and n of the average addition mole numbers of ethylene oxide and propylene oxide are each 0 to 10; however, the order of addition is not particularly limited, and random addition is performed. There may be. Specific examples of the water-soluble solvent represented by the general formula (2) include ethylene glycol monobutyl ether, dipropylene glycol dimethyl ether, diethylene glycol monoethyl ether, diethylene glycol monobutyl ether, propylene glycol monomethyl ether, propylene glycol monoethyl ether, and propylene glycol. Monobutyl ether, propylene glycol dimethyl ether, polyoxyethylene (p = 2 to 3) polyoxypropylene (p
= 2 to 3) glycol dimethyl ether (p indicates the average number of moles added), polyoxyethylene (p = 3) glycol phenyl ether, phenyl carbitol, phenyl cellosolve, benzyl carbitol and the like.
Among these, propylene glycol monomethyl ether, diethylene glycol monobutyl ether, and polyoxyethylene (p = 1 to 4) glycol phenyl ether are preferred from the viewpoints of detergency and usability.

Examples of the monohydric alcohol having 1 to 5 carbon atoms include methanol, ethanol, and isopropyl alcohol. Among them, ethanol is preferably used.

The water-soluble solvent of the component (c) is incorporated in the entire composition in an amount of 0.5 to 10% by weight, preferably 1 to 7% by weight, from the viewpoint of detergency against oil stains. (C) The amount of the component is 0.5
If the amount is less than 10% by weight, sufficient oil detergency cannot be obtained.
If it exceeds 10% by weight, discoloration may occur depending on the material of the surface to be cleaned.
It is not preferable because it causes deterioration such as cracks.

The thickening polysaccharide of the component (d) used in the present invention improves the usability of the liquid detergent composition of the present invention, particularly when used in a trigger type sprayer, by virtue of the thickening effect. This improves the detergency on non-horizontal surfaces. The polysaccharide is not particularly limited as long as it is a polysaccharide usually used as a thickener, and examples thereof include xanthan gum, carrageenan, locust bean gum, alginates, and cellulose derivatives. These polysaccharides can be used alone or in combination of two or more. Among them, xanthan gum is particularly preferably used because it has high salt resistance. Xanthan gum is Xanthomonas campestris (Xa
(Nthomonas campestris) is a heteropolysaccharide obtained by the fermentation action, and a commercially available product can be used. In addition,
Polysaccharides that can be used in the present invention include natural polysaccharides and modified polysaccharides.

In the present invention, these thickening polysaccharides (d)
Is 0.01 to 3% by weight, preferably 0.03 to 1% by weight in the whole composition
Used. When the thickening polysaccharide (d) is less than 0.01% by weight, the usability on a non-horizontal surface (adhesion in a foam state of the liquid detergent composition of the present invention) is not satisfactory, and 3% by weight. %, It is not preferable because the viscosity becomes too high, and the trigger lever becomes heavy and the usability deteriorates, and the rinsing property and the wiping property deteriorate.

[0022]

BEST MODE FOR CARRYING OUT THE INVENTION The liquid detergent composition of the present invention comprises the above (a), (b), (c) and (d), and further (e)
It is obtained by mixing the components, and if necessary, a hydrotropic agent, an alkali agent, a pigment, a coloring agent, a fragrance, a bactericide, a preservative, and the like can be mixed.

The liquid detergent composition for kitchen surroundings of the present invention is produced by mixing water in addition to the above-mentioned components according to a conventional method, and its pH is in the range of 6-8. Outside of this range, problems such as rough hands may occur.

The liquid detergent composition of the present invention is preferably filled in a trigger type sprayer, and is preferably used by directly spraying the part to be cleaned, rubbing lightly with a sponge or the like, and then rinsing or wiping it off. . The composition of the present invention is used for cleaning the surface of stainless steel, enamel, artificial marble, tile, plastic, and the like. Examples of the soil include inorganic soil, oil stain, and water stain generated in the kitchen. , Hand rubs, and their composite stains.

[0025]

The liquid detergent composition of the present invention has a high detergency itself, in particular, a high detergency against inorganic composite soils mainly composed of silicon and calcium, and soil around water such as water deposits, and is also rinsed. Excellent in wiping properties and wiping properties, and good in finishing properties. When used in a sprayer, it is hard to foam on a vertical surface, and is excellent in usability and workability. Furthermore, it is neutral and there is little worry about rough hands for use.

[0026]

The present invention will be described in more detail with reference to the following examples, which should not be construed as limiting the invention thereto.

Examples 1 to 10 and Comparative Examples 1 to 8 Liquid detergent compositions having the compositions shown in Tables 1 to 4 were prepared and used for their cleaning power, sprayability, and sagging of foam on a vertical surface. The hardness, rinsing property / wiping property were evaluated by the following evaluation methods. For all liquid cleaning compositions,
The pH was adjusted to 7 using sodium hydroxide. The numbers in the table indicate% by weight.

<Evaluation Method> [Detergency] A stainless steel test piece (3 × 8 cm) was attached to the sink of a kitchen countertop, and the actual stain was collected without washing the part for one month. This was immersed in each cleaning solution for 30 seconds, washed with water, and then subjected to a sensory evaluation according to the following evaluation criteria. ：: Good stain removal. Δ: There are places where dirt cannot be removed. ×: Almost no dirt is removed.

[Sprayability] Each cleaning liquid is filled in a commercially available sprayer, and the trigger is easily pulled when sprayed.
The weight was subjected to a sensory evaluation according to the following evaluation criteria. ：: Good sprayability. Δ: Trigger is slightly heavy and slightly difficult to pull. ×: The trigger is heavy and difficult to pull.

[Effect of sagging of foam] A stainless steel plate was set upright, and 1 cc of each washing solution was sprayed with a commercially available sprayer, and the difficulty of sagging of foam was evaluated according to the following evaluation criteria. ：: The foam dripping speed is very slow. ：: The foam dripping speed is slow. Δ: The foam dripping speed is fast. X: The foam dripping speed is very fast.

[Rinseability] A stainless steel plate is set upright and 1 cc of each cleaning solution is sprayed with a commercially available sprayer.
The sensory evaluation was performed according to the following evaluation criteria for the residual feeling of the cleaning liquid on the stainless steel surface after rinsing by flowing 100 cc of water. ：: Good rinsing properties. Δ: Slightly slimy. ×: Null null.

[Wipeability] 1 cc of each washing solution was sprayed on a stainless steel plate placed horizontally using a commercially available sprayer and wiped off with a dry towel. At this time, the sensory evaluation was performed on the remaining wiping property according to the following evaluation criteria. ：: There is almost no remaining trace of wiping. Δ: Some trace of wiping remains. ×: Traces of wiping remain.

[0033]

[Table 1]

[0034]

[Table 2]

[0035]

[Table 3]

[0036]

[Table 4]

Comparative Example 8 The same evaluation was conducted on the detergency, the rinsing property and the wiping property using a commercially available liquid cleanser. As a result, although the detergency was excellent, powder residue during rinsing and wiping was observed.

Claims (8)

[Claims] (A) cationic surfactant; 0.01 to 10% by weight (b) metal chelating agent; 1 to 20% by weight (c) water-soluble solvent; 0.5 to 10% by weight (d) thickening polysaccharide A liquid composition for cleaning around kitchens, containing 0.01 to 3% by weight and having a pH of 6 to 8; 2. The liquid detergent composition for kitchen surroundings according to claim 1, further comprising (e) a nonionic surfactant and / or an amphoteric surfactant. 3. The liquid detergent composition for kitchen surroundings according to claim 1, wherein the cationic surfactant (a) is benzethonium chloride and / or benzalkonium chloride. 4. A polyvalent hydroxycarboxylic acid having two or more carboxyl groups, wherein the metal chelating agent (b) is
A polyvalent phosphonic acid having at least two phosphonic acid groups or one or more selected from salts thereof.
The liquid detergent composition for kitchen surroundings according to any one of claims 3 to 7. 5. The liquid detergent composition for kitchen surroundings according to claim 1, wherein the thickening polysaccharide (d) is xanthan gum. 6. The liquid detergent composition according to any one of claims 2 to 5, wherein the nonionic surfactant (e) is an alkyl glycoside. 7. A spray type liquid detergent composition for kitchen surroundings, wherein the liquid type detergent composition according to claim 1 is filled in a trigger type sprayer. 8. A method for cleaning inorganic dirt, oily dirt or composite dirt adhering around a kitchen using the composition according to any one of claims 1 to 6.