JP2024026451A - Detergent composition - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a detergent composition which, while fully satisfying requirements washability, foamability, and foam adhesion and retention properties, has a good sterilization property and a further improved defoaming property during rinsing.

SOLUTION: A detergent composition according to the present invention includes: (A) amine oxide as a component; (B) a branched fatty acid and/or a salt thereof having a total carbon number of 12 or more and 24 or less as a component; (C) an alkaline agent as a component; (D) an alkyl (C12 to C14) dimethyl hydroxyethyl ammonium salt as a component; (E) water as a component; and (G) a linear fatty acid and/or a salt having a total carbon number of 12 or more and 16 or less as a component and has a pH at 25°C of 9 or more and 14 or less. Such an adjustment is made that the detergent composition includes the component (B) and the component (D) at a proportion by a mass ratio of the component (B)/the component (D) of a value of 0.002 or more and 50 or less.

SELECTED DRAWING: None

COPYRIGHT: (C)2024,JPO&INPIT

Description

The present invention relates to a cleaning composition that has excellent cleaning properties, foaming properties, foam retention properties on vertical surfaces, etc., excellent foam removal properties during rinsing, and excellent storage stability. The present invention relates to a cleaning composition that can efficiently clean and sterilize product manufacturing processing equipment, factory floors, walls, etc.

Cleaning agents used for cleaning hard surfaces such as floors and walls in beverage and food processing plants and kitchens are required to have high cleaning properties against stains such as oil and protein, and are also required to be highly resistant to food poisoning bacteria and other pathogenic bacteria. Bactericidal properties are also required. In addition, in order to effectively clean and disinfect vertical surfaces such as walls, it is necessary to have good foaming properties and good adhesion and retention of foam to walls, etc., as well as to shorten work time and save water. Good foam removal properties are required during point rinsing.

Cleaning compositions used for this type of hard surface cleaning include cleaning compositions containing alkaline agents, anionic surfactants, alkyldimethylamine oxides, fatty acids or salts thereof (Patent Document 1), amine oxides, branched A cleaning composition containing fatty acids or salts thereof in a specific ratio (Patent Document 2), a cleaning composition containing a plurality of specific amine oxides and two specific fatty acids, and having a pH of 13.3 or higher. (Patent Document 3) etc. are known.

JP2013-249383A Japanese Patent Application Publication No. 2018-203853 Japanese Patent Application Publication No. 2015-151462

However, the conventional cleaning compositions described in Patent Documents 1 to 3 cannot be said to fully satisfy all of the requirements for cleaning performance, sterilization performance, foaming performance, and foam adhesion and retention properties. The foam removal properties during rinsing (rinsing properties) were also not sufficient. In particular, it has been difficult in the past to provide a cleaning agent that maintains good detergency and foaming properties while also having excellent sterilizing properties and good foaming properties.

The present invention was developed in view of the problems of the prior art described above, and it fully satisfies the requirements of cleansing performance, foaming performance, and foam adhesion/retention properties, has good sterilization performance, and provides foaming during rinsing. An object of the present invention is to provide a cleaning composition with further improved cutting properties.

The cleaning composition of the present invention includes an amine oxide as the (A) component, a branched fatty acid having a total carbon number of 12 or more and 24 or less and/or its salt as the (B) component, an alkaline agent as the (C) component, and (D) Contains an alkyl (C12-C14) dimethylhydroxyethylammonium salt as a component, water as a component (E), and a straight chain fatty acid and/or a salt thereof having a total carbon number of 12 or more and 16 or less as a component, and at 25 ° C. The pH is 9 or more and 14 or less, and contains component (B) and component (D) in a mass ratio such that the value of component (B)/component (D) is 0.002 or more and 50 or less. It is characterized by

The cleaning composition of the present invention has excellent cleaning properties, particularly against oil and protein stains that are a problem at beverage and food manufacturing sites, and is also effective against food poisoning bacteria and other bacteria. It exhibits excellent sterilization effect. In addition, the cleaning composition of the present invention has foaming properties and has excellent foam adhesion and retention properties, so it exhibits excellent cleaning properties even on vertical surfaces such as walls.
Furthermore, the detergent composition of the present invention has good foam removal during rinsing, can be efficiently rinsed with a small amount of water, and can perform cleaning and sterilization efficiently and effectively. The cleaning composition of the present invention can effectively clean and sterilize surfaces to be cleaned made of various materials, especially floors and walls of beverage and food processing factories and kitchens. It can be suitably used for cleaning and sterilizing hard surfaces.

The cleaning composition of the present invention includes an amine oxide as the component (A), a branched fatty acid having a total carbon number of 12 to 24 and/or its salt as the component (B), an alkaline agent as the component (C), and an alkaline agent as the component (D). The cationic surfactant contains water as component (E), and is adjusted to have a pH of 9 or more and 14 or less at 25°C.

The cleaning composition of the present invention having such a configuration fully satisfies the requirements for cleaning performance, foaming performance, and foam adhesion/retention properties, and is also excellent in sterilization performance and foam removal performance during rinsing.

The use of the cleaning composition of the present invention is not particularly limited, and for example, it can be suitably used as a cleaning composition for foaming cleaning of hard surfaces made of aluminum or the like.
Below, the structure of the liquid cleaning agent of the present invention will be explained in detail.

The cleaning composition of the present invention contains an amine oxide as the component (A).
The amine oxide which is component (A) is a compound having the general formula R ₃ N ⁺ -O ^- . R in component (A) represents a hydrocarbon group, and preferably any one of the three hydrocarbon groups has 8 or more and 18 or less carbon atoms, and two of the hydrocarbon groups are methyl groups. It is more preferable that there be. The hydrocarbon group having 8 to 18 carbon atoms may be an alkyl group or an alkenyl group. The amine oxide which is the component (A) may be contained alone or in combination of two or more.

From the viewpoint of showing better detergency and foam retention properties, preferred examples of component (A) include alkyldimethylamine oxides having an alkyl group of 8 to 18 carbon atoms or alkenyl groups having 8 to 18 carbon atoms. Dimethylamine oxide is mentioned.
More specifically, as component (A), dodecyldimethylamine oxide, tetradecyldimethylamine oxide, octyldimethylamine oxide, octenyldimethylamine oxide, dodecenyldimethylamine oxide, and tetradecenyldimethylamine oxide. It is preferable to contain one selected from the group consisting of: preferable.

From the viewpoint of showing better rinsing properties in addition to cleaning properties and foam retention properties, component (A) may contain octyldimethylamine oxide in addition to dodecyldimethylamine oxide and/or tetradecyldimethylamine oxide. is preferred.

When the component (A) contains at least tetradecyldimethylamine oxide and dodecyldimethylamine oxide, the amount of dodecyldimethylamine oxide is in the range of 0.01 part by mass or more and 1 part by mass or less per 1 part by mass of tetradecyldimethylamine oxide. It is preferable to blend in the range of 0.02 parts by mass or more and 0.5 parts by mass or less.
Further, when component (A) contains at least octyldimethylamine oxide together with tetradecyldimethylamine oxide and/or dodecyldimethylamine oxide,
Preferably, octyldimethylamine oxide is blended in a range of 0.01 parts by mass or more and 0.8 parts by mass or less, and 0.02 parts by mass per 1 part by mass of tetradecyldimethylamine oxide and/or dodecyldimethylamine oxide. It is more preferable to blend in a range of 0.5 parts by mass or less.

Component (A) mainly contributes to the foam retention and cleaning properties of the cleaning composition of the present invention. Therefore, if the amount of component (A) is too small, the foam retention and/or cleaning properties may not be sufficient. On the other hand, if the amount of component (A) is too large, storage stability may not be sufficient.
From this viewpoint, the content ratio of component (A) in the cleaning composition is preferably 0.1% by mass or more and 10.0% by mass or less, and preferably 0.5% by mass or more and 7.0% by mass or less. It is more preferable that the amount is at least 1.0% by mass and not more than 5.0% by mass.

The present invention includes a branched fatty acid having a total carbon number of 12 or more and 24 or less and/or a salt thereof as component (B). By combining component (B) and component (D), which will be described later, it is easy to create a cleaning composition with a good balance of foam retention, rinsability, and sterilization. From the viewpoint of being particularly excellent in at least one of the evaluations of sterilization and sterilization, the total number of carbon atoms in component (B) is preferably 14 or more and 24 or less, and preferably 16 or more and 24 or less. More preferably, it is 18 or more and 24 or less. The branched fatty acid and/or its salt, which is the component (B), may be contained alone or in combination of two or more. In the present invention, the branched fatty acid refers to a fatty acid having a branched chain, and may be a saturated fatty acid or an unsaturated fatty acid, and is preferably a saturated fatty acid.

Examples of component (B), branched fatty acids having a total carbon number of 12 or more and 24 or less and/or salts thereof, include isolauric acid such as 2-methylundecanoic acid and 10-methylundecanoic acid; 2,2-dimethyl Dodecanoic acid, 2,3-dimethyldodecanoic acid, isomyristic acid such as 2-butyl-3-methylnonanoic acid, 2-methylpentadecanoic acid, 3-methylpentadecanoic acid, 2-butyldodecanoic acid, 2-butyldodecanoic acid, 2 - Isopalmitic acid such as hexyldecanoic acid and 2-heptylnonanoic acid; Isostearic acid such as 2-methylheptadecanoic acid, 2-ethylhexadecanoic acid, 2-octyldecanoic acid, and 2,2-dimethylhexadecanoic acid; 3-methylnonadecanoic acid, Isoarachic acid such as 18-methylnonadecanoic acid, 2,2-dimethyloctadecanoic acid, 2,4-dimethyloctadecanoic acid, 2-butyl-2-heptylnonanoic acid; Isobehenic acid such as 20-methylheneicoic acid; 3-methyltrichoic acid, etc. isolignoceric acid, etc., and one or a combination of two or more selected from the group consisting of salts thereof.

Examples of the salts of the branched fatty acids include sodium salts, potassium salts, calcium salts, magnesium salts, ammonium salts, and alkanolamine salts, with sodium salts and potassium salts being preferred.

From the viewpoint of exhibiting better foam retention and rinsability, as component (B), one selected from the group consisting of isopalmitic acid or its salts, isostearic acid or its salts, isoarachidic acid or its salts, or It is preferable to include a combination thereof, and it is more preferable to include at least isoarachidic acid and/or a salt thereof.

Component (B) contributes to the foam retention and/or rinsability of the cleaning composition of the present invention. Therefore, if the amount of component (B) is too small, the foam retention and/or rinsability may not be sufficient. On the other hand, if the amount of component (B) is too large, the storage stability may not be sufficient and the sterilization performance may also be affected undesirably.
From this point of view, the content ratio of component (B) in the cleaning composition is preferably 0.01% by mass or more and 5.0% by mass or less, and preferably 0.05% by mass or more and 3.0% by mass or less. It is more preferable that the amount is at least 0.1% by mass and not more than 1.0% by mass. In addition, the ratio of the above-mentioned (B) component in the cleaning composition of the present invention is the ratio determined from the amount of branched fatty acid salt converted to branched fatty acid when component (B) contains a branched fatty acid salt. be.

The present invention includes an alkaline agent as component (C). Examples of the alkaline agent as component (C) include alkali metal hydroxides, alkaline earth metal hydroxides, alkali metal carbonates, alkali metal silicates, and alkanolamines. Component (C) may contain one type of alkaline agent or two or more types of alkaline agents.

Examples of the alkali metal hydroxides and alkaline earth metal hydroxides include at least one selected from sodium hydroxide, potassium hydroxide, calcium hydroxide, magnesium hydroxide, and the like.
Examples of the alkali metal carbonates include at least one selected from sodium carbonate, potassium carbonate, sodium hydrogen carbonate, potassium hydrogen carbonate, and the like.
Examples of the alkali metal silicates include sodium silicate, potassium silicate, specifically sodium orthosilicate, sodium metasilicate, No. 1 sodium silicate, No. 2 sodium silicate, No. 3 sodium silicate, No. 4 sodium silicate, Any one or more selected from potassium silicate No. 2, potassium silicate No. 2, etc. can be mentioned.
Examples of the alkanolamine include any one selected from monoethanolamine, diethanolamine, triethanolamine, monoisopropanolamine, diisopropanolamine, triisopropanolamine, N-methylethanolamine, and N-methyldiethanolamine. The above can be mentioned.

From the viewpoint of exhibiting better detergency, it is preferable that component (C) contains one or more selected from alkali metal hydroxides and/or alkanolamines, including sodium hydroxide and/or alkanolamines. Or, it is more preferable that potassium hydroxide is included.

Component (C) contributes to the detergency and/or metal corrosion prevention properties of the cleaning composition of the present invention. If the amount of component (C) blended is too small, the detergency may not be sufficient. On the other hand, if the amount of component (C) is too large, the metal corrosion prevention properties may not be sufficient, and the rinsability and storage stability may also be affected undesirably.
From this point of view, the content ratio of component (C) in the cleaning composition is preferably 0.1% by mass or more and 10.0% by mass or less, and preferably 0.3% by mass or more and 5.0% by mass or less. It is more preferable that the amount is 0.8% by mass or more and 4.0% by mass or less.

The cleaning composition of the present invention contains a cationic surfactant as component (D).
Examples of the cationic surfactant as component (D) include dialkyldimethylammonium salts, alkyltrimethylammonium salts, alkyldimethylethylammonium salts, dialkylethylmethylammonium salts, dialkylmonomethylhydroxyethylammonium salts, alkyldimethylbenzylammonium salts, and alkyldimethylammonium salts. Quaternary ammonium salt type cationic surfactants such as dimethylhydroxylethylammonium salt, alkyldipolyoxyethylenemethylammonium salt, alkyldipolyoxyethylenemethylammonium salt, alkylpyridinium salt, or benzethonium salt; polyhexamethylene biguanide hydrochloride , polyhexamethylene guanidine phosphate, polyhexamethylene guanidine chloride, or guanidine-based cationic surfactants such as chlorhexidine gluconate; hexadecyltributylphosphonium, alkyl diamines, or salts of the above-mentioned compounds. The cationic surfactants exemplified above may be contained alone or in combination of two or more as component (D).

From the viewpoint of exhibiting better sterilizing properties, it is preferable that the component (D) contains a quaternary ammonium salt type cationic surfactant.
The quaternary ammonium salt type cationic surfactant contained in component (D) preferably has an alkyl group with 1 or more carbon atoms and 22 or less carbon atoms, and more preferably has an alkyl group with 4 or more carbon atoms and 22 or less carbon atoms. Preferably, it is more preferable to have a straight chain alkyl group having 6 or more and 18 or less carbon atoms. Component (D) may be a mixture of two or more compounds having a common skeleton and different numbers of carbon atoms in the alkyl group.

（式中、Ｒ^１～Ｒ^３は炭素数１～１８のアルキル基を表し、Ｘはハロゲン原子を表し、Ｒ^１～Ｒ^３のいずれか１つ以上が炭素数８～１８のアルキル基である。） From the viewpoint of exhibiting excellent sterilization properties, it is particularly preferable to include a quaternary ammonium salt type cationic surfactant represented by the following general formula (1) as component (D). The quaternary ammonium salt represented by the general formula (1) hardly forms a complex with the anion in the detergent composition and exhibits excellent sterilizing properties. Two or more compounds having a skeleton represented by the following general formula (1) and having different numbers of carbon atoms in their alkyl groups can be used as component (D).

(In the formula, R ¹ to R ³ represent an alkyl group having 1 to 18 carbon atoms, X represents a halogen atom, and one or more of R ¹ to R ³ is an alkyl group having 8 to 18 carbon atoms. .)

The halogen atom (X) shown in the above general formula (1) is not particularly limited, but can be selected from the group consisting of, for example, a chlorine atom, a bromine atom, and an iodine atom. Because of its high versatility, X is preferably a chlorine atom or a bromine atom, and more preferably a chlorine atom. For example, specific examples of component (D) represented by the above general formula (1) include lauryldimethylhydroxyethylammonium chloride (monododecyldimethylhydroxyethylammonium chloride), myristyldimethylhydroxyethylammonium chloride (monododecyldimethylhydroxyethylammonium chloride), monotetradecyldimethylhydroxyethylammonium) and the like. These may be contained alone or in combination of two or more.

Examples of the salts of component (D) include chloride ions, bromide ions, alkyl sulfate ions having 1 or 2 carbon atoms, fatty acid ions having 1 or more and 12 or less carbon atoms, and benzenesulfonic acid ions having substantially no substituents. or a benzenesulfonic acid ion substituted with one or more and three or less alkyl groups having 1 or more and 3 or less carbon atoms.

Component (D) mainly contributes to the sterilizing properties of the cleaning composition of the present invention. Therefore, if the blending amount of component (D) is too small, the sterilizing property may not be sufficient. On the other hand, if the blending amount of component (D) is too large, foam retention may be reduced.
From this point of view, the content ratio of component (D) in the cleaning composition is preferably 0.1% by mass or more and 5.0% by mass or less, and preferably 0.3% by mass or more and 4.0% by mass or less. It is more preferable that the amount is at least 0.5% by mass and not more than 3.0% by mass.

It is preferable that the above-mentioned components (B) and (D) are contained in a mass ratio such that the value of component (B)/component (D) is 0.002 or more and 50 or less.
By adjusting the content within this range, it is possible to improve the foam retention, rinsing, and sterilizing properties of the cleaning composition in a well-balanced manner.
In particular, from the viewpoint of improving foam retention and/or rinsability, the lower limit of component (B)/component (D) is preferably 0.002 or more, more preferably 0.05 or more. Preferably, it is more preferably 0.1 or more. In addition, from the viewpoint of maintaining sufficient sterilization properties and/or storage stability, the upper limit of the component (B)/component (D) is preferably 50.0 or less, and 10.0 or less. More preferably, it is 2.0 or less.

The cleaning composition of the present invention contains water as component (E). The water used as the component (E) is not particularly limited, and examples thereof include ion exchange water, soft water, pure water, tap water, and the like.

The cleaning composition of the present invention has a pH of 9 or more and 14 or less at 25°C.
Within the above range, it is possible to exhibit good cleaning properties, sterilization properties, and metal corrosion prevention properties in a well-balanced manner. More specifically, by setting the pH to 9 or higher, it is possible to exhibit good cleaning and/or sterilizing properties, and by setting the pH to 14 or lower, it is possible to exhibit good metal corrosion prevention properties. .

The cleaning composition of the present invention may contain a chelating agent as the (F) component in addition to the above-mentioned (A) component, (B) component, (C) component, (D) component, and (E) component. .
By including component (F), good aluminum corrosion prevention properties can be exhibited. Although conventional highly alkaline cleaning agents have excellent cleaning properties against oil stains, they cannot be said to have sufficient countermeasures against corrosive properties against metals such as aluminum. On the other hand, the embodiment of the present invention including the component (F) can be applied to surfaces to be cleaned of various materials at the manufacturing site of beverages and foods, and has high versatility.

The above component (F) includes, for example, condensed phosphoric acid compounds such as tripolyphosphoric acid, hexametaphosphoric acid, etc., or salts thereof; nitrilotriacetic acid, ethylenediaminetetraacetic acid, glutamic acid diacetic acid, methylglycine diacetic acid, diethylenetriaminepentaacetic acid, triethylene Aminocarboxylic acid type chelating agents such as tetramine hexaacetic acid, hydroxyethylethylenediaminetriacetic acid, etc. or their salts; Hydroxycarboxylic acid type chelating agents such as malic acid, citric acid, gluconic acid, etc. or their salts; Phosphonic acid type chelating agents Examples include one kind or a combination of two or more kinds selected from the following. Examples of the salt of component (F) include potassium salt, sodium salt, ammonium salt; monoethanolamine, diethanolamine, triethanolamine, monoisopropanolamine, diisopropanolamine, triisopropanolamine, N-methylethanolamine, N- Examples include alkanolamine salts such as methyldiethanolamine.

In particular, from the viewpoint of high corrosion resistance against aluminum, it is preferable that the component (F) contains an aminocarboxylic acid type chelating agent, and more preferably an alkanolamine salt of an aminocarboxylic acid type chelating agent. Here, the alkanolamine refers to a compound having a hydroxyl group and an amino group in an alkane skeleton, and examples thereof include, but are not limited to, ethanolamine and propanolamine.
Specific examples of alkanolamine salts of aminocarboxylic acid type chelating agents include alkanolamine salts of ethylenediaminetetraacetic acid, methylglycinediacetic acid, or glutamic acid diacetic acid, and more specifically, for example, sodium ethylenediaminetetraacetic acid monoacetate. Examples include, but are not limited to, ethanolamine salts.

When blending component (F), the blending amount of component (F) can be appropriately determined while taking into consideration the blending of each component of the cleaning composition. From the viewpoint of more reliably exhibiting the corrosion inhibiting effect on aluminum, the content ratio of component (F) in the cleaning composition is preferably 0.1% by mass or more, and preferably 0.5% by mass or more. It is more preferable that the amount is at least 0.7% by mass, and particularly preferably 0.7% by mass or more.
In addition, from the viewpoint of exhibiting sufficient aluminum corrosion prevention properties while taking economic efficiency into consideration, the content ratio of component (F) in the cleaning composition is preferably 10.0% by mass or less, and 7. It is more preferably 0% by mass or less, and particularly preferably 5.0% by mass or less.

The cleaning composition of the present invention contains the above-mentioned (A) component, (B) component, (C) component, (D) component, and (E) component, and further includes a total carbon number of 12 or more as the (G) component, It may contain 16 or less straight chain fatty acids and/or salts thereof.
Alternatively, the cleaning composition of the present invention includes the above-mentioned (A) component, (B) component, (C) component, (D) component, (E) component, and (F) component, and further includes the above-mentioned (G) component. May include.
By including component (G), excellent rinsing properties can be exhibited.

Examples of the salts of the straight chain fatty acids include sodium salts, potassium salts, calcium salts, magnesium salts, ammonium salts, and alkanolamine salts, with sodium salts and potassium salts being preferred. As component (G), the above straight chain fatty acids and/or salts thereof may be contained alone or in combination of two or more.

By including myristic acid and/or palmitic acid as the straight chain fatty acid and/or its salt, more excellent rinsing properties are exhibited.

When blending component (G), the blending amount of component (G) can be appropriately determined while taking into consideration the blending of each component of the cleaning composition. From the viewpoint of more reliably exhibiting good rinsing properties, the proportion of component (G) in the cleaning composition is preferably 0.01% by mass or more, and preferably 0.05% by mass or more. It is more preferable, and particularly preferably 0.1% by mass or more.
In addition, from the viewpoint of exhibiting sufficient rinsability while taking economic efficiency into consideration, the content ratio of component (G) in the cleaning composition is preferably 3.0% by mass or less, and 2.0% by mass. % or less, and particularly preferably 1.0% by mass or less. In addition, the ratio of the said (G) component in the cleaning composition of this invention is the ratio calculated|required from the amount of fatty acid salt converted into fatty acid, when a fatty acid salt is contained in (G) component.

The cleaning composition of the present invention may contain other components commonly used in the technical field, as necessary, to the extent that the effects of the present invention are not impaired. Such components include, for example, surfactants other than components (A) to (G) of the present invention, metal corrosion inhibitors, water-soluble solvents, antifoaming agents, bactericidal agents, oxidizing agents, thickening agents, and fragrances. , dyes, etc.

Surfactants other than components (A) to (G) of the present invention include nonionic surfactants such as polyoxyalkylene alkyl ether, sorbitan fatty acid ester, glycerin fatty acid ester, α-olefin sulfonate, alkyl sulfonate, Examples include anionic surfactants such as phosphate ester salts, amphoteric surfactants such as alkylsulfobetaine, alkylaminopropionic acid, and alkylaminoethylglycine.

As metal corrosion inhibitors, triazole compounds such as benzotriazole, tolyltriazole, 5-phenyl-benzotriazole, 1-hydroxybenzotriazole, 5-nitro-benzotriazole, benzimidazole, 2-mercaptobenzimidazole, thiazolylbenzo Examples include imidazole compounds such as imidazole and 4-methyl-2-phenylimidazole, thiazole compounds such as benzothiazole and 2-mercaptobenzothiazole, and thiadiazole compounds such as dimercaptothiadiazole.

Examples of water-soluble solvents include lower alcohols such as ethanol, propanol, and butanol, glycols such as ethylene glycol, propylene glycol, and butylene glycol, and polyols such as glycerin, polyglycerin, and sorbitol.

Examples of antifoaming agents include silicone oil, polypropylene glycol, polybutylene glycol, polyethylene glycol polypropylene glycol copolymer, and the like.

Examples of the disinfectant include thiazolines, hydantoins, iodo-2-propynylbutylcarbamate, isopropylmethylphenol, hexachlorophene, irgasan, and triclosan.

Oxidizing agents include hypochlorites such as sodium hypochlorite and potassium hypochlorite, chlorites such as sodium chlorite and potassium chlorite, and chlorine such as sodium chlorate and potassium chlorate. Examples include acid salts, perchlorates such as sodium perchlorate and potassium perchlorate, chlorinated isocyanurates such as chlorinated sodium isocyanurate and chlorinated potassium isocyanurate, chlorine dioxide, and hydrogen peroxide.

Examples of the thickening agent include carboxyvinyl polymers, carboxymethyl cellulose, alkali neutralized salts of high molecular weight polycarboxylic acids such as polyacrylic acid, and the like.

Examples of fragrances include natural fragrances, synthetic fragrances, mixed fragrances thereof, and the like. Furthermore, examples of the pigment include natural pigments, synthetic pigments, and mixtures thereof.

Hereinafter, the present invention will be specifically explained with reference to Examples and Comparative Examples. Tables 1 to 7 show the components used in the cleaning compositions of Examples and Comparative Examples. The numerical values regarding the blending amounts shown in Tables 1 to 7 are the pure proportions (% by mass) of each component to the liquid cleaning composition.
In addition, the blending amount of component (B) in the table is the value calculated from the amount of branched fatty acid salt contained as component (B) converted into branched fatty acid, and similarly, the blending amount of component (G) in the table The amount is a value calculated from the amount of fatty acid salt contained as component (G) converted into fatty acid.

(A) Component A-1: Tetradecyldimethylamine oxide A-2: Dodecyldimethylamine oxide A-3: Octyldimethylamine oxide

(B) Component B-1: Potassium isoarachic acid (neutralized isoarachic acid manufactured by Nissan Chemical Industries, Ltd.)
B-2: Potassium isostearate (neutralized N isostearate, manufactured by Nissan Chemical Industries, Ltd.)
B-3: Potassium isopalmitate (neutralized isopalmitic acid manufactured by Nissan Chemical Industries, Ltd.)

(B) Comparative component B'-1: 2-ethylhexanoic acid (KH Neochem, neutralized octylic acid)

(C) Component C-1: Potassium hydroxide C-2: Potassium carbonate C-3: Monoethanolamine C-4: N-methylethanolamine C-5: Triethanolamine

(D) Component D-1: Alkyl (C12-16) dimethylbenzylammonium chloride D-2: Alkyl (C12-14) dimethylhydroxylethylammonium chloride D-3: Didecyldimethylammonium methosulfate , alkyldimethylbenzyl ammonium chloride, which contains a mixture of compounds in which the alkyl group contains 12 to 16 carbon atoms. Further, the above D-2 is alkyldimethylhydroxylethylammonium chloride, and a compound containing an alkyl group containing 12 to 14 carbon atoms is mixed therein.

(E) Component E-1: Ion exchange water

(F) Component F-1: Ethylenediaminetetraacetic acid monoethanolamine salt F-2: Methylglycine diacetic acid monoethanolamine salt F-3: Glutamic acid diacetic acid monoethanolamine salt F-4: Sodium ethylenediaminetetraacetate

(G) Component G-1: Potassium myristate (neutralized Lunac MY-98 manufactured by Kao Corporation)
G-2: Potassium laurate (neutralized Lunac L-98 manufactured by Kao Corporation)
G-3: Potassium palmitate (neutralized Lunac P-95 manufactured by Kao Corporation)

Other components (H) Component H-1: Ethanol H-2: Sodium α-olefin sulfonate H-3: Sodium metaxylene sulfonate H-4: Alkyl polyaminoethyl glycine hydrochloride (manufactured by Takemoto Yushi Co., Ltd. Pionin C-156) )

*1: pH measurement method <pH meter calibration>
A composite electrode for pH measurement (manufactured by HORIBA; glass ground sleeve type) was connected to a pH meter (manufactured by HORIBA; pH/ion meter F-23), and the power was turned on. A saturated aqueous potassium chloride solution (3.33 mol/L) was used as the pH electrode internal solution. Next, fill a 100 mL beaker with each of the pH 4.01 standard solution (phthalate standard solution), pH 6.86 standard solution (neutral phosphate standard solution), and pH 9.18 standard solution (borate standard solution). , and immersed in a constant temperature bath at 25° C. for 30 minutes. The pH measurement electrode was immersed in a standard solution adjusted to a constant temperature for 3 minutes, and a calibration operation was performed in the order of pH 6.86, pH 9.18, and pH 4.01.
<pH measurement>
A pH measuring electrode was immersed for 3 minutes in 100 mL of each cleaning composition whose temperature was adjusted to 25° C. in a constant temperature bath, and the pH was measured.

*2: Cleanability test <Test method>
A stainless steel piece [stainless steel (SUS304), length 70 mm x width 60 mm x thickness 1 mm] was covered with model stains (20 g of fat mixed with beef tallow and soybean oil at a volume ratio of 1:1, 0.25 g of monooleic acid glycerin ester, and oleic acid). A test piece was prepared by uniformly dissolving 0.1 g of red in 60 ml of chloroform) and dried at 25° C. for 2 hours. The weight of the stainless steel piece before applying the model stain (W1) and the weight of the stainless steel piece after applying the model stain (W2) were measured. This test piece was diluted with 200 mL of a cleaning solution prepared by diluting each cleaning composition to 5% by mass with hard water of 75 mg/L [German hardness 4.2° DH] in terms of calcium carbonate, using a DEMA 910 PORTABLE FOAMER. After foaming into a foam with a specific gravity of 0.15 g/cm3, the foam was sprayed for 10 seconds onto a test piece that was propped up against a vertical surface and left for 5 minutes. Thereafter, the sample was rinsed with ion-exchanged water for 15 seconds and air-dried, and then the weight (W3) of the sample was measured. The cleaning rate of beef tallow stains was calculated from the following mathematical formula (1) with respect to the weight change of the test piece before and after cleaning, and evaluated using the following evaluation criteria.
[Number 1]
Cleaning rate (%) = [(W2-W1)-(W3-W1)]÷(W2-W1)×100 (1)
<Evaluation criteria>
◎: Cleaning rate 80% or more ○: Cleaning rate 60% or more, less than 80% △: Cleaning rate 40% or more, less than 60% ×: Cleaning rate less than 40% In the above evaluation, △, ○, ◎ are considered practical It was determined that there was.

*3: Vertical foam retention test <Test method>
A cleaning solution prepared by diluting each cleaning composition to 3% by mass at 20°C with hard water having a calcium carbonate equivalent of 75mg/L [German hardness 4.2°DH] was measured using a DEMA 910 PORTABLE FOAMER to determine the specific gravity. It was foamed to form a foam of 0.15 g/cm3. Then, spray 500 g of each foamed cleaning solution foamed as described above onto the vertical surface of a stainless steel plate [stainless steel (SUS304)] so that the foam thickness is 2 cm or less for an area measuring 1 m long and 1 m wide. Ta. The spraying time was 30 seconds. After 3 minutes have elapsed from the end of spraying, visually observe the adhesion of the foamy cleaning composition on the vertical surface and determine if any foam remains, assuming the spraying area (1 m vertically and 1 m horizontally) as 100%. The area ratio was evaluated using the following evaluation criteria.
<Evaluation criteria>
◎: Foam retention is 80% or more ○: Foam retention is 65% or more and less than 80% △: Foam retention is 50% or more and less than 65% ×: Foam retention is less than 50% In the above evaluation, △ , ○, and ◎ were judged to be practical.

*4: Rinseability test (evaluation test for foam removal during rinsing)
<Test method>
A cleaning solution prepared by diluting each cleaning composition to 3% by mass at 20°C with hard water having a calcium carbonate equivalent of 75mg/L [German hardness 4.2°DH] was measured using a DEMA 910 PORTABLE FOAMER to determine the specific gravity. After foaming to form a foam of 0.15 g/cm3, it was sprayed for 10 seconds onto the inner bottom surface (500 mm long, 700 mm wide) of a stainless steel box [stainless steel (SUS304)]. One minute after the end of spraying, use a shower nozzle to spray hard water with a calcium carbonate equivalent of 75 mg/L [German hardness: 4.2° DH] over the entire inner bottom surface of the stainless steel box. Rinse until the foam disappears from around the drainage hole provided (50 mm in diameter, with 40 mesh polyethylene mesh inside). The water sprinkling time (rinsing time) was evaluated using the following scale.
<Evaluation criteria>
◎: Less than 240 seconds ○: 240 seconds or more, less than 360 seconds △: 360 seconds or more, less than 480 seconds ×: 480 seconds or more In the above evaluation, △, ○, and ◎ were determined to be practical.

*5: Sterilization test <test bacteria>
Pseudomonas aeruginosa NBRC13275 and Staphylococcus aureus NBRC13276 were used as test bacteria. Each test bacterium was smeared onto an SCD agar medium (manufactured by Eiken Chemical Co., Ltd.), and after culturing at 37°C for 24 hours, the colonies were scraped off and diluted with sterile phosphate buffered saline to form a bacterial suspension. It was used as
<Test method>
Add 100 μl of each bacterial suspension to 10 ⁸ - 10 ¹⁰ cfu/ml to 10 ml of each cleaning composition diluted to 3% by mass using ion-exchanged water, mix well, and then contact for 3 or 5 minutes. I let it happen. Subsequently, 100 μl of the mixed solution was added to 10 ml of SCDLP liquid medium (manufactured by Eiken Chemical Co., Ltd.), mixed well, and cultured at 37° C. for 48 hours, followed by evaluation using the following criteria. The presence or absence of turbidity in the medium was visually determined.
<Evaluation criteria>
○: The medium was not cloudy after both 3-minute and 5-minute contact.
Δ: The medium becomes cloudy after either 3 minutes or 5 minutes of contact.
×: The medium is cloudy after contact for both 3 minutes and 5 minutes.
In the above evaluation, △ and ○ were judged as having practicality.

*6: Metal corrosion prevention test (stainless steel)
<Test method>
As a test piece, a stainless steel piece [(SUS304), length 70 mm x width 20 mm x thickness 1 mm] was previously washed with a neutral detergent, treated with acetone, and dried. 100 mL of a cleaning solution prepared by diluting each cleaning composition to 5% by mass with hard water of 75 mg/L [German hardness 4.2° DH] in terms of calcium carbonate was placed in a 100 mL polypropylene container, and The above test piece was immersed and stored in a thermostat at 25°C for 24 hours. After storage, the test piece was taken out, rinsed with a predetermined amount of ion-exchanged water, dried, and visually observed the appearance of the test piece surface, and evaluated for corrosiveness according to the following criteria.
<Evaluation criteria>
◯: No corrosion △: Some corrosion is observed, but at a level that poses no problem in use ×: Corrosion In the above evaluation, △ and ◯ were determined to be practical.

*7: Stability test of diluted cleaning solution <Test method>
A cleaning solution was prepared by diluting each cleaning composition to 3% by mass with hard water of 75 mg/L [German hardness 4.2°DH] in terms of calcium carbonate, and the cleaning solution became cloudy within 15 minutes of preparation. It was visually observed to see if it occurred, and the stability was judged based on the following criteria.
<Evaluation criteria>
◎: No turbidity ○: Slight turbidity △: Slight turbidity, but at a level that poses no problem in use ×: Significant turbidity In the above evaluation, △, ○ , ◎ were judged to be practical.

*8: Storage stability test <Test method>
200 ml of each cleaning composition was placed in a 250 ml transparent polypropylene container, covered with a lid, and stored in a constant temperature bath at -5°C, 25°C, and 40°C, and allowed to stand still. After one month, the appearance was observed and evaluated according to the following criteria.
<Evaluation criteria>
○: Stable with no precipitates or turbidity observed.
Δ: Some precipitates and turbidity are observed.
×: Precipitates or turbidity are significantly observed.
In the above evaluation, △ and ○ were judged as having practicality.

*9: Metal corrosion prevention test (aluminum)
<Test method>
A test piece of aluminum (A1100P) [75 mm long x 25 mm wide x 1 mm thick] was prepared in advance by cleaning it with a neutral detergent, treating it with acetone, and drying it. 100 mL of a cleaning solution prepared by diluting each cleaning composition to 5% by mass with hard water of 75 mg/L [German hardness 4.2° DH] in terms of calcium carbonate was placed in a 100 mL polypropylene container, and The test piece was immersed and stored in a thermostat at 25°C for 1 hour. After storage, the test piece was taken out, rinsed with a predetermined amount of ion-exchanged water, dried, and visually observed the appearance of the test piece surface, and evaluated for corrosiveness according to the following criteria.
<Evaluation criteria>
◯: No corrosion △: Some corrosion is observed, but at a level that poses no problem in use ×: Corrosion In the above evaluation, △ and ◯ were determined to be practical.

The above embodiment includes the following technical ideas.
(1) Amine oxide as the (A) component, a branched fatty acid and/or its salt having a total carbon number of 12 or more and 24 or less as the component (B), an alkaline agent as the (C) component, and a cationic surfactant as the (D) component , a cleaning composition containing water as component (E) and having a pH of 9 or more and 14 or less at 25°C.
(2) The product according to (1) above, which contains component (B) and component (D) in a mass ratio of component (B)/component (D) of 0.02 or more and 50 or less. Cleaning composition.
(3) (1) or (2) above, wherein component (B) contains at least one selected from isopalmitic acid and/or its salts, isostearic acid and/or its salts, isoaracic acid and/or its salts; The cleaning composition described in .
(4) The cleaning composition according to any one of (1) to (3) above, wherein the amine oxide of component (A) contains dodecyl dimethyl amine oxide and/or tetradecyl dimethyl amine oxide.
(5) The cleaning composition according to (4) above, wherein the amine oxide of component (A) further contains octyldimethylamine oxide.
(6) The cleaning composition according to any one of (1) to (5) above, wherein the cationic surfactant of component (D) contains a quaternary ammonium salt type cationic surfactant.
(7) The cleaning composition according to any one of (1) to (6) above, further containing a chelating agent as component (F).
(8) The cleaning composition according to (7) above, wherein the chelating agent is an alkanolamine salt of an aminocarboxylic acid type chelating agent.
(9) The cleaning composition according to any one of (1) to (8) above, further containing a linear fatty acid having a total carbon number of 12 or more and 16 or less and/or a salt thereof as component (G). .
(10) The cleaning composition according to any one of (1) to (9) above, which is used for foaming cleaning of hard surfaces.

Claims (10)

(A) amine oxide as a component;
(B) A branched fatty acid with a total carbon number of 12 or more and 24 or less and/or a salt thereof as a component,
(C) an alkaline agent as a component;
Alkyl (C12-C14) dimethylhydroxyethylammonium salt as component (D),
(E) water as a component;
(G) Contains a straight chain fatty acid and/or a salt thereof having a total carbon number of 12 or more and 16 or less as a component, and has a pH of 9 or more and 14 or less at 25°C,
A cleaning composition comprising component (B) and component (D) in a mass ratio of component (B)/component (D) of 0.002 or more and 50 or less. The cleaning composition according to claim 1, containing component (B) and component (D) in a mass ratio of component (B)/component (D) of 0.02 or more and 50 or less. . The cleaning composition according to claim 1 or 2, wherein component (B) contains at least one selected from isopalmitic acid and/or its salts, isostearic acid and/or its salts, isoarachidic acid and/or its salts. thing. The cleaning composition according to any one of claims 1 to 3, wherein the amine oxide of component (A) contains dodecyl dimethyl amine oxide and/or tetradecyl dimethyl amine oxide. 5. The cleaning composition according to claim 4, wherein the amine oxide component (A) further contains octyldimethylamine oxide. The cleaning composition according to any one of claims 1 to 5, wherein the cationic surfactant as component (D) contains a quaternary ammonium salt type cationic surfactant. The cleaning composition according to any one of claims 1 to 6, further comprising a chelating agent as component (F). The cleaning composition according to claim 7, wherein the chelating agent is a monoethanolamine salt of an aminocarboxylic acid type chelating agent. The cleaning composition according to any one of claims 1 to 8, wherein the component (G) contains a straight chain fatty acid having a total carbon number of 14 or more and 16 or less and/or a salt thereof. The cleaning composition according to any one of claims 1 to 9, which is used for foaming cleaning of hard surfaces.