WO2017204149A1 - Detergent composition - Google Patents

Abstract

The purpose of the present invention is to provide: a detergent composition which exhibits excellent detergency against solid fat-containing oil stains attached to hard surfaces of hard articles such as plastics; and a detergent-use surfactant used in same. Provided is a detergent composition for tableware that contains a surfactant represented by general formula (a1) as component (a). (In the formula, R^1a and R^2a are each independently a branched chain hydrocarbon group having 1 or more side chains, with the total number of carbon atoms in the branched chain hydrocarbon group being 7-22, and the total number of carbon atoms that constitute side chains being 3-7. A¹ and A² are each independently an alkylene group having 2-4 carbon atoms, and x and y denote the average added number of mols, and are each independently 0-6. M¹ is a hydrogen atom or a cation.)

Description

Cleaning composition

The present invention relates to a cleaning composition and a cleaning surfactant used therein. In particular, the present invention relates to a dishwashing detergent composition and a dishwashing surfactant used therein.
Background art

Removal of oil stains on hard surfaces is one of the performances that are strongly demanded of hard surface cleaners. In particular, oil stains on a hydrophobic surface are difficult to remove, and users of cleaning agents use a great deal of mechanical force, use warm water, add cleaning agents, and the like. In order to reduce the burden on the user and the environment, detergents with lower mechanical force, washing at lower temperatures, surfactants that can reduce the total amount of active agent, or detergents Development is required.

On the other hand, a surfactant having a branched chain in the alkyl chain, or a detergent containing the surfactant is known (for example, Patent Documents 1 to 3).
Patent Document 1 (Japanese Patent Publication No. 2013-532736) discloses a new mixture of branched-type compounds near the chain ends and derivatives thereof, and a cleaning composition containing these mixtures. Disclosure.
Patent Document 2 (Japanese Patent Laid-Open No. 2013-100461) is compatible with detergency against liquid oil and solid fat, which are oil stains strongly adhered to tableware and cooking utensils having a hydrophobic surface at a relatively low temperature. An object of the present invention is to provide a dishwashing composition for hand washing using a specific amount ratio of a sulfosuccinic acid alkyl ester or a salt thereof, a specific anionic surfactant, and a sulfobetaine type surfactant. We are disclosing things.
Patent Document 3 (Japanese translations of PCT publication No. 2000-503700) discloses a detergent containing at least 0.5% by weight of an alkyl long-chain intermediate-chain branched surfactant compound for the purpose of detergency at low use temperatures and hard water resistance. A surfactant composition is disclosed.
Summary of the Invention

However, the cleaning agents described in Patent Documents 1 to 3 are still not sufficient in the cleaning property of oil stains containing solid fat.
The present invention relates to a cleaning composition and a cleaning surfactant used in the cleaning composition, which are excellent in cleaning power for oily soil containing solid fat, which is attached to a hard surface of a hard article such as plastic, in particular, tableware.

In response to this problem, the present inventors have found that a sulfosuccinic acid type surfactant having a specific branched structure is excellent in cleaning performance of oil stains containing solid fat.
That is, this invention relates to the cleaning composition which contains surfactant represented by the following general formula (a1) as (a) component.

[Wherein, R ^1a and R ^2a are each independently a branched chain hydrocarbon group having one or more side chains, and the total branched chain hydrocarbon group has 7 to 22 carbon atoms. And the total number of carbon atoms constituting the side chain is 3 or more and 7 or less. A ¹ and A ² are each independently an alkylene group having 2 or more and 4 or less carbon atoms, and x and y are average added mole numbers, and are each independently 0 or more and 6 or less. M ¹ is a hydrogen atom or a cation. ]

The present invention also relates to a hard surface cleaning method for cleaning a hard surface with the cleaning composition.

As the cleaning composition of the present invention, there may be mentioned a cleaning composition for tableware containing a surfactant represented by the general formula (a1) as the component (a).

As the cleaning method of the present invention, there is a tableware cleaning method in which the tableware cleaning composition is brought into contact with tableware.

The present invention also relates to a cleaning surfactant represented by the following general formula (a1).

[Wherein, R ^1a and R ^2a are each independently a branched chain hydrocarbon group having one or more side chains, and the total branched chain hydrocarbon group has 7 to 22 carbon atoms. And the total number of carbon atoms constituting the side chain is 3 or more and 7 or less. A ¹ and A ² are each independently an alkylene group having 2 or more and 4 or less carbon atoms, and x and y are average added mole numbers, and are each independently 0 or more and 6 or less. M ¹ is a hydrogen atom or a cation. ]

The present invention relates to the use of the surfactant represented by the general formula (a1) as a dishwashing detergent.

ADVANTAGE OF THE INVENTION According to this invention, the cleaning composition used for the cleaning composition used for it which is excellent in the detergency of the oil stain containing the solid fat adhering to the hard surface of hard articles, such as a plastics, especially a tableware surface, is provided. be able to.
The cleaning composition of the present invention can be applied to an article having a hard surface such as plastic, in particular, oil stains containing solid fat adhering to tableware without rubbing with a flexible material such as a sponge, that is, mechanical force. It is possible to wash without applying.
BEST MODE FOR CARRYING OUT THE INVENTION

<Cleaning agent composition>
The detergent composition of the present invention can provide sufficient detergency without using mechanical force. This is because the sulfosuccinic acid dialkyl ester used in the detergent composition of the present invention has a specific side chain. It has a chain hydrocarbon structure, and through this structure, the sulfosuccinic acid dialkyl ester is easily adsorbed to the solid fat, so that the solid fat can be easily peeled off. As a result, the effect of improving the detergency can be obtained. It is estimated that
In addition, the “oil stain” shown in the present specification is a stain due to a mixture of liquid oil and solid fat at 25 ° C. The liquid oil is preferably a substance containing an oil component derived from a vegetable raw material. Moreover, the solid fat can mention the substance containing the oil and lipid derived from animal raw materials, such as beef tallow, pork, and / or chicken. Furthermore, these oil stains may be mixed in an arbitrary ratio.
Moreover, the cleaning composition of this invention contains the cleaning composition which replaced the hard surface with the tableware below.

<(A) component>
The component (a) used in the present invention is a surfactant represented by the following general formula (a1), which is a compound of a sulfosuccinic acid ester or a salt thereof.
The component (a) is a cleaning surfactant and a cleaning agent.

[Wherein, R ^1a and R ^2a are each independently a branched chain hydrocarbon group having one or more side chains, and the total branched chain hydrocarbon group has 7 to 22 carbon atoms. And the total number of carbon atoms constituting the side chain is 3 or more and 7 or less. A ¹ and A ² are each independently an alkylene group having 2 or more and 4 or less carbon atoms, and x and y are average added mole numbers, and are each independently 0 or more and 6 or less. M ¹ is a hydrogen atom or a cation. ]

The carbon number of R ^1a and R ^2a may be the same or different, and 7 or more, preferably 8 or more, more preferably 9 or more, from the viewpoint of the detergency of solid fat (hereinafter also simply referred to as detergency). From the same viewpoint, it is 22 or less, preferably 18 or less, more preferably 15 or less, still more preferably 12 or less, still more preferably 11 or less, and still more preferably 10 or less.
The chain branched hydrocarbon group may be an alkyl group or an alkenyl group, but an alkyl group is preferable from the viewpoint of detergency. In the present invention, a hydrocarbon residue obtained by removing a hydroxyl group from a secondary alcohol is included in the chain branched hydrocarbon group.

In the present invention, among the chain-type branched hydrocarbon groups of R ^1a and R ^2a , the hydrocarbon chain having the largest number of carbon atoms counted from the carbon atom bonded to the oxygen atom is used as the main chain, and branched from the main chain. A bonded hydrocarbon chain is defined as a side chain.
When two or more main chains are considered, that is, when there are two or more hydrocarbon chains having the largest carbon number (hereinafter also referred to as the longest hydrocarbon chain), the main chains are determined in the following order.
1. The main chain has the larger number of carbon atoms in the side chain branched from the longest hydrocarbon chain.
2. Next, when the number of carbon atoms of the side chain branched from the longest hydrocarbon chain is the same, the main chain has the larger number of side chains branched from the longest hydrocarbon chain.
3. Next, when the number of side chains branched from the longest hydrocarbon chain is the same, the side having a side chain on a carbon atom closer to the oxygen atom as counted from the carbon atom bonded to the oxygen atom is defined as the main chain. To do.
4). Next, when the position of the carbon atom having the side chain closest to the oxygen atom is the same, the side having the larger number of carbon atoms in the side chain closest to the oxygen atom is defined as the main chain.
In addition, when two or more longest hydrocarbon chains have the same symmetrical structure, either may be used as the main chain.

The number of carbons in the main chain of R ^1a and R ^2a may be the same or different. From the viewpoint of detergency, it is preferably 4 or more, more preferably 5 or more, still more preferably 6 or more, and preferably 19 or less. More preferably, it is 15 or less, More preferably, it is 12 or less, More preferably, it is 9 or less, More preferably, it is 8 or less, More preferably, it is 7 or less, More preferably, it is 6 or less. The carbon number of the main chain does not include the carbon number of the side chain.

The total number of carbon atoms constituting the side chains of R ^1a and R ^2a may be the same or different. From the viewpoint of detergency, it is 3 or more, preferably 4 or more, and from the same viewpoint, 7 or less, preferably Is 6 or less, more preferably 5 or less, and still more preferably 4 or less.
In the present invention, the total number of carbon atoms constituting the side chain is the total number of carbon atoms of all side chains other than the main chain, and when there are a plurality of side chains, the total number of carbon atoms of all the side chains. It is.

The number of side chains of R ^1a and R ^2a may be the same or different. From the viewpoint of detergency, it is 1 or more, and from the same viewpoint, it is preferably 6 or less, more preferably 5 or less, still more preferably It is 4 or less, more preferably 3 or less, and still more preferably 2 or less.
In the present invention, the number of side chains is the number of side chains branched from the main chain, and the number of side chains does not change even if the side chain further has a side chain branched from the side chain. . However, from the viewpoint of detergency, the side chain may further have a side chain branched from the side chain.

The number of branched carbons in R ^1a and R ^2a may be the same or different, and from the viewpoint of detergency, it is preferably 1 or more, preferably 6 or less, more preferably 5 or less, still more preferably 4 or less, Still more preferably, it is 3 or less, More preferably, it is 2 or less.
In the present invention, the number of branched carbons is the total number of tertiary carbon atoms and quaternary carbon atoms in the chain branched hydrocarbon group.

A preferred embodiment of R ^{1a, R 2a is,} R ^1a, total number of carbon atoms of chain branched hydrocarbon group ^{R 2a} are each independently 7 to 12 carbon atoms in the main chain, each independently, 4 to 8 and the number of carbon atoms constituting the side chain are each independently 3 to 6 and the number of side chains are each independently 1 to 3 and the number of branched carbons is independently 1 or more and 3 or less are preferable.

Specific chain branched hydrocarbon groups of R ^1a and R ^2a may be the same or different, and are a trimethylpentyl group, trimethylhexyl group, trimethylheptyl group, trimethyloctyl group, methylethylpentyl group, methylethylhexyl group. , Methyl ethyl heptyl group, methyl ethyl octyl group, dimethyl ethyl butyl group, dimethyl ethyl pentyl group, dimethyl ethyl hexyl group, dimethyl ethyl heptyl group, dimethyl ethyl octyl group, propyl pentyl group, propyl hexyl group, propyl heptyl group, propyl octyl group Butylpentyl group, butylhexyl group, butylheptyl group, butyloctyl group, 1- (2-methylpropyl) -3-methylbutyl group, 1- (3-methylbutyl) -4-methylpentyl group, 1- (4- Methylpe 1) or more selected from til) -5-methylhexyl group, pentylhexyl group, and hexyldecyl group. From the viewpoint of detergency, 3-methyl-5,5-dimethylhexyl group (3,5,5 -Trimethylhexyl group), 2-propylpentyl group, 2-propylhexyl group, 2-hexyldecyl group, 1-butylhexyl group, 1-butylpentyl group, 1- (2-methylpropyl) -3-methylbutyl group, One or more selected from a 1-ethyl-2-methylpentyl group and a 1-methyl-1-ethyl-2-methylbutyl group are preferred, and a 3-methyl-5,5-dimethylhexyl group (3,5,5- Trimethylhexyl group), 1-butylhexyl group, 1-butylpentyl group, 1- (2-methylpropyl) -3-methylbutyl group, and 2-propylpentyl group More preferably one or more barrel 1 butylhexyl group is more preferable.
Moreover, when all the side chains are methyl groups, it is preferable from the viewpoint of detergency that the terminal of the main chain has a dimethyl group.

In the general formula ^{(a1), A 1, A} 2 are each independently 2 or more carbon atoms, and the number 4 or less carbon atoms, preferably 3 or less alkylene group.
In general formula (a1), x and y are average added mole numbers, and from the viewpoint of detergency, each is independently 0 or more and 6 or less, preferably 4 or less, more preferably 2 or less, More preferably, it is 0.
Further, x + y is preferably 0 or more, and preferably 12 or less, more preferably 6 or less, still more preferably 3 or less, and still more preferably 0, from the viewpoint of detergency.

In general formula (a1), M ¹ is a hydrogen ion, or an inorganic cation such as sodium ion, ammonium ion, potassium ion, magnesium ion, monoethanolammonium ion, diethanolammonium ion, triethanolammonium ion, morpholinium ion. An organic cation such as sodium ion, ammonium ion, potassium ion and magnesium ion.

In the general formula (a1), a method for preparing a compound in which R ^1a and R ^2a are the same is not particularly limited. For example, see the method described in US Pat. No. 2,028,091. In addition, as a method for preparing an asymmetric compound having different R ^1a and R ^2a , it can be produced with reference to, for example, JP-A-58-24555. (A) As a raw material of a component, what added the alkylene oxide to the alcohol of predetermined carbon number can also be used.
As a suitable alcohol used for the production of the component (a) of the present invention,
(1) primary alcohols represented by 3,5,5-trimethylhexane-1-ol, 2-propylhexane-1-ol, 2-hexyl-1-dodecanol, etc.
(2) Secondary alcohol represented by 5-nonanol, 2,6-dimethyl-4-heptanol, 4-methyl-3-heptanol, 8-hexadecanol, etc. (3) 3,4-dimethyl-3- Tertiary alcohols typified by hexanol, 3,7-dimethylocta-1,6-dien-3-ol, 3-ethyl-2,2,4-trimethyl-3-hexanol and the like.

The cleaning composition of the present invention contains the component (a) that has a particularly high detergency against oil stains, so that the oil stains that adhere to the hard surface, particularly at low temperatures, low mechanical strength, and low concentrations, High cleaning performance can be provided.
In the cleaning composition of the present invention, the component (a) is preferably 0.01% by mass or more, more preferably 0.1% by mass or more, still more preferably 0.3% by mass or more, from the viewpoint of detergency. Still more preferably 0.5% by mass or more, still more preferably 0.8% by mass or more, still more preferably 1% by mass or more, and from the viewpoint of reducing raw material costs, preferably 30% by mass or less, more preferably Is 20% by mass or less, more preferably 15% by mass or less, still more preferably 10% by mass or less, still more preferably 8% by mass or less, still more preferably 5% by mass or less, still more preferably 3% by mass or less, More preferably, it is contained in an amount of 2% by mass or less.
In the present invention, it is based on (a) descriptions of the mass of the components (wt% or wt ratio) (the ratio of sodium salt equivalent) mass, assuming that sodium M ^1.

<(B) component>
The detergent composition of the present invention may optionally contain an amphoteric surfactant or an amine oxide type surfactant as the component (b). Either the amphoteric surfactant or the amine oxide type surfactant may contain either one or both. The amphoteric surfactant is not particularly limited, and examples thereof include sulfobetaine, hydroxysulfobetaine, carbobetaine type surfactant and the like. Amphoteric surfactants and amine oxide type surfactants contribute to improving the performance of oil stains when used in combination with component (a).

In the cleaning composition of the present invention, the component (b) is preferably 0.01% by mass or more, more preferably 0.05% by mass or more, still more preferably 0.1% by mass or more, from the viewpoint of detergency. And it contains 30 mass% or less preferably, More preferably, it is 15 mass% or less, More preferably, it contains 10 mass% or less.

In the cleaning composition of the present invention, the mass ratio (b) / (a) between the content of the component (b) and the content of the component (a) is preferably 0 or more from the viewpoint of cleaning power, and From the same viewpoint, it is preferably 10 or less, more preferably 8 or less, still more preferably 5 or less, still more preferably 3 or less, and still more preferably 1 or less.

<(C) component>
The cleaning composition of the present invention may optionally contain a salt as component (c). The salt is not particularly limited, and examples thereof include inorganic salts formed with metal ions and halide ions, and organic salts such as lactic acid and citric acid. The salt contributes to the improvement of the oil dirt cleaning performance when used in combination with the component (a). Further, an amphoteric surfactant or an amine oxide type surfactant and a salt may be used in combination.

In the cleaning composition of the present invention, the component (c) is preferably 0.001% by mass or more, more preferably 0.01% by mass or more, still more preferably 0.1% by mass or more, from the viewpoint of detergency. And preferably it contains 10 mass% or less, More preferably, it contains 5 mass% or less.

<(D) component>
The cleaning composition of the present invention may optionally contain a hydrotrope as the component (d) for the purpose of improving storage stability. As the component (d), toluenesulfonic acid, xylenesulfonic acid, cumenesulfonic acid or a sodium salt, potassium salt or magnesium salt thereof is preferable, and p-toluenesulfonic acid or a salt thereof is particularly preferable.

In the cleaning composition of the present invention, the component (d) is preferably 0.5% by mass or more, more preferably 1% by mass or more, still more preferably 1.5% by mass or more, from the viewpoint of storage stability. , Preferably 15% by mass or less, more preferably 10% by mass or less, still more preferably 5% by mass or less.

<(E) component>
The cleaning composition of the present invention may optionally contain a solvent as the component (e) for the purpose of improving storage stability and adjusting viscosity. The component (e) is preferably a water-soluble organic compound having 2 or more carbon atoms, more preferably 3 or more carbon atoms, and preferably 10 or less carbon atoms, more preferably 8 or less carbon atoms from the viewpoint of improving storage stability. Solvents are preferred.

Specific examples of the component (e) include ethanol, isopropyl alcohol, ethylene glycol, propylene glycol, diethylene glycol, dipropylene glycol, glycerin, isoprene glycol, propylene glycol monomethyl ether, propylene glycol monoethyl ether, 3-methyl-3- One or more water-soluble organic solvents selected from methoxybutanol, phenoxyethanol, phenyl glycol, phenoxyisopropanol, butyl diglycol (diethylene glycol monobutyl ether), dibutylene glycol and benzyl alcohol are preferred. Among these, one or more water-soluble organic solvents selected from butyl diglycol, ethanol and propylene glycol are more preferable, and one or more water-soluble organic solvents selected from ethanol and propylene glycol are more preferable.
Here, the water-soluble organic solvent refers to a solvent having an octanol / water partition coefficient (LogPow) of 3.5 or less.

In the cleaning composition of the present invention, the component (e) is preferably 3% by mass or more, more preferably 5% by mass or more, still more preferably 10% by mass or more, from the viewpoint of storage stability and viscosity adjustment. Preferably it is 30 mass% or less, More preferably, it is 20 mass% or less, More preferably, it contains 15 mass% or less.

<Water>
The cleaning composition of the present invention is preferably a liquid cleaning composition, and preferably contains water. That is, the balance other than the component (a) and the optional component is water.
In the cleaning composition of the present invention, water is preferably 30% by mass or more, more preferably 50% by mass or more, still more preferably 60% by mass or more, still more preferably 70% by mass or more, and still more preferably 80% by mass. % Or more, more preferably 90% by mass or more, and preferably 99.8% by mass or less, more preferably 99.5% by mass or less, and still more preferably 99.2% by mass or less.
As the water, deionized water, distilled water, or hypochlorous acid sterilized water in which about 0.5 to 10 ppm of hypochlorous acid is dissolved can be used.

In the cleaning composition of the present invention, the solid content is preferably 0.1% by mass or more, more preferably 0.3% by mass or more, and further preferably 0.5% by mass or more from the viewpoint of detergency. More preferably, it is 0.8% by mass or more, more preferably 1% by mass or more, and from the viewpoint of cost reduction, it is preferably 30% by mass or less, more preferably 20% by mass or less, still more preferably 10% by mass % Or less, more preferably 5% by mass or less, and still more preferably 3% by mass or less.
Here, the solid content is the components (a) to (e) and other optional components, that is, components other than water.

The form of the cleaning composition of the present invention can be appropriately selected from a liquid form, a gel form, a wax form, and the like, but a liquid obtained by dissolving / dispersing / emulsifying the above components in water is preferable, and an aqueous solution is more preferable.

The pH at 25 ° C. of the cleaning composition of the present invention is preferably 2 or more, more preferably 4 or more, still more preferably 5 or more, and preferably 10 or less, more preferably from the viewpoint of mildness to the hand. 9 or less, more preferably 8 or less.

The viscosity at 20 ° C. of the cleaning composition of the present invention is preferably 0.5 mPa · s or more, more preferably 1 mPa · s or more, and preferably 200 mPa · s or less, more preferably 100 mPa · s or less, still more preferably. Is 50 mPa · s or less, more preferably 20 mPa · s or less, still more preferably 10 mPa · s or less, still more preferably 7 mPa · s or less, and even more preferably 5 mPa · s or less. The viscosity can be adjusted with a solvent or a hydrotrope.

The cleaning composition of the present invention is preferably for a hard surface of a hard article. By applying a cleaning liquid to oil stains attached to a hard surface such as a metal surface, a glass surface, a ceramic surface, or a resin surface, etc. After application, it can be used in a cleaning method in which it is allowed to stand for a certain period of time and then rinsed with water.
For example, oil stains can be removed by immersing the object to be cleaned in a water bath to which the cleaning composition of the present invention is added and leaving it to stand for about 1 second to 1 hour, followed by rinsing with water. While being immersed, there is no particular limitation, but mechanical force such as stirring and shaking, and mechanical force may be applied using tools generally used for cleaning such as brushes and sponges. .

The cleaning composition of the present invention is preferably for a hard surface of a hard article, further for a hard surface of a hard article around tableware or kitchen, further for tableware, and further for a hard surface of tableware. Further, it is preferable for hand washing and washing of the hard surface of the hard article, further for washing hand washing of the hard surface of the tableware or the hard article around the kitchen, further for washing hand washing of the tableware, and further for washing the hard surface of the tableware.
Specifically, the cleaning composition of the present invention is preferably a cleaning agent for application to a hard surface of a hard article, more preferably a cleaning agent for application to a hard surface of a hard article around a tableware or kitchen, and more preferably. Is a cleaning agent for application to tableware, more preferably a cleaning agent for application to the hard surface of tableware.
Further, specifically, the cleaning composition of the present invention is preferably a cleaning agent for spraying on a hard surface of a hard article, more preferably a cleaning agent for spraying on a hard surface of a hard article around a tableware or kitchen, More preferred is a detergent for spraying tableware, and even more preferred is a detergent for spraying hard surfaces of tableware.

Examples of the hard article include food production equipment such as pipes and parts, hard articles around the kitchen, tableware, and the like, and the cleaning composition of the present invention is excellent in the detergency of solid fat. Tableware and hard articles around the kitchen, more preferably tableware are to be cleaned.
Hard articles around the kitchen are articles used around the kitchen, specifically,
(1) Refrigerator, cupboard and other food, tableware, cooking utensil storage location,
(2) Drainage channels, cooking tables, range hoods, sinks, gas ranges, microwave ovens, and other food cooking locations, and (3) surrounding floors and walls. In the present invention, these are referred to as “hard articles around the kitchen” for convenience.
As tableware, specifically,
(I) so-called tableware such as dishes and bowls,
(Ii) Storage containers such as tappers and bottles,
(Iii) Cooking utensils such as knives, cutting boards, pans, frying pans, grilled fish,
(Iv) Examples include members and utensils that come into contact with foodstuffs such as food processors and cooking appliances such as mixers. In the present invention, these are referred to as “tableware” for convenience.
In addition, the cleaning composition of the present invention is preferably for articles selected from tableware, storage containers, cooking utensils, and cooking appliances. Further, a dish, a bowl, a tapper, a bottle, a kitchen knife, a cutting board, a pan, a frying pan, More preferably, it is for an article selected from a grilled fish, a food processor, and a mixer.
The material of the hard surface to be cleaned of the present invention, the hard surface of the tableware and the kitchen, and the hard surface of the tableware is plastic (including silicone resin), metal, pottery, wood, and combinations thereof. Can be mentioned.

<Cleaning method of hard surface>
The method for cleaning a hard surface of the present invention is a method for cleaning a hard surface in which a hard surface such as tableware is cleaned with the cleaning composition, and the cleaning is preferably performed by bringing the cleaning composition into contact with the hard surface. In the following, this cleaning method includes a cleaning method in which the hard surface is replaced with tableware.
That is, the cleaning composition of the present invention is used in the hard surface cleaning method of the present invention. The preferred embodiment of the composition is the same as the cleaning composition of the present invention described above.
More specifically, the cleaning composition is brought into contact with a hard surface with a stock solution, or the cleaning composition is brought into contact with a hard surface without dilution with a stock solution, that is, the cleaning composition is And a cleaning method of contacting the hard surface without diluting.
The contact of the cleaning composition with the hard surface without diluting means that the cleaning composition is intentionally diluted with water or the like and then not brought into contact with the hard surface. For example, when the cleaning composition is brought into contact with a hard surface to which water droplets or the like are attached, or when the cleaning composition is brought into contact with the hard surface and then water drops are attached to the hard surface, the cleaning composition It can be understood that an object is brought into contact with a hard surface without dilution.
The hard surface cleaning method of the present invention is a hard surface cleaning method in which the cleaning composition of the present invention is brought into contact with a hard surface to which oil stains adhere, and further to a hard surface to which oil stains containing solid fat adhere. It can be suitably implemented.
The oil stain containing solid fat is a stain containing oil and fat, and the oil and fat exhibits a solid at normal temperature (for example, 20 ° C.). The oil stain containing solid fat is typically an oil stain containing solid fat, and an oil stain containing solid fat and liquid oil. The state of the oil stain containing solid fat when the cleaning composition is brought into contact may be a state where solid fat and liquid oil are mixed.

Moreover, the cleaning method of the hard surface of the present invention includes a cleaning method in which the cleaning composition is left in contact with the hard surface without applying mechanical force (not applied). That is, there is a cleaning method in which contact is made without using a flexible material such as sponge or fingers, and the device is left as it is without applying mechanical force. This method is suitable for cleaning parts that are out of reach of hands and tools and details that are difficult to reach.
To leave without applying mechanical force is, for example, that no intentional operation for cleaning is performed other than the contact with the composition. For example, it can be understood that the contacted composition naturally flows down the hard surface and vibrations not intended for cleaning are transmitted to the hard surface when left without mechanical force. On the other hand, for example, a method of scrubbing the hard surface, a method of cleaning by applying a water stream containing the composition to the hard surface, a method of immersing the hard surface in a cleaning medium containing the composition, stirring and cleaning, It can be understood that a hard surface is cleaned by applying mechanical force.
In addition, after leaving it to stand, it is usually rinsed with water. When rinsing, mechanical force (physical force) may be applied with a hand or the like, or simply rinsing with water.

In the method for cleaning a hard surface of the present invention, the cleaning composition is preferably 0.1 g or more, more preferably 0.3 g or more, and still more preferably 0 with respect to the hard surface area of 100 cm ² as the object. It is preferable to contact at a ratio of 4 g or more, and preferably 5 g or less, more preferably 3 g or less, and still more preferably 2 g or less, and further apply or spray.

In the method for cleaning a hard surface of the present invention, from the viewpoint of enhancing the cleaning power, preferably after the cleaning composition is brought into contact with the hard surface, it is preferably 10 seconds or more, more preferably 20 seconds or more, still more preferably 30 seconds or more, more More preferably 40 seconds or more, still more preferably 50 seconds or more, even more preferably 1 minute or more, still more preferably 1.5 minutes or more, and from the same viewpoint, preferably 60 minutes or less, more preferably 30 Leave it for a minute or less, more preferably 20 minutes or less, and even more preferably 10 minutes or less. In this case, the time when the composition first comes into contact with the hard surface is set as the start of standing.
In addition, the temperature at the time of leaving may be room temperature, for example, 10 degreeC or more and 30 degrees C or less are mentioned.

In the method for cleaning a hard surface of the present invention, from the viewpoint of enhancing the cleaning power, it is preferably 10 seconds or more, more preferably 20 seconds or more, still more preferably 30 seconds or more, still more preferably 40 seconds or more, and even more preferably. Is 50 seconds or more, more preferably 1 minute or more, more preferably 1.5 minutes or more, and from the same viewpoint, preferably 60 minutes or less, more preferably 30 minutes or less, still more preferably 20 minutes or less, more More preferably, the cleaning composition is brought into contact with the hard surface to be cleaned for 10 minutes or less.

In the method for cleaning a hard surface of the present invention, the cleaning composition may be contacted by immersing the hard surface with oil stains or the like in the composition, but from the viewpoint of efficiently increasing the cleaning power. A method of spraying or applying to a hard surface to which oil stains or the like are attached is preferable.
The method of bringing the cleaning composition into contact with the hard surface to which oil stains or the like are attached is preferably spraying or coating, and a method of spraying in the form of droplets or coating in the form of foam is preferred. Specifically, a spray means is used. That is, it is preferable to use a hard surface cleaning article obtained by filling the cleaning composition of the present invention in a container having a sprayer. The present invention provides a cleaning article for a hard surface containing a spray container, which is obtained by filling a container having a sprayer with the cleaning composition of the present invention.

The container provided with the sprayer filled with the cleaning composition of the present invention in the cleaning article for hard surface containing the spray container of the present invention is a manual spray that does not use a propellant such as a trigger spray container or a pump spray container. Examples thereof include aerosol using an apparatus and a propellant. The container having the sprayer is preferably a trigger spray capable of spraying or applying the contents in the form of droplets or bubbles, and a trigger spray having a mechanism for spraying the contents in droplets or A trigger type spray having a mechanism for forming bubbles (bubble forming mechanism) is more preferable.

When the trigger type spray equipped with the mechanism for spraying the cleaning composition of the present invention in the form of droplets is used in the cleaning article for hard surface containing the spray container of the present invention, the spray nozzle of the spray container for containing the composition is used. The diameter of the nozzle is preferably 0.1 mm or more, more preferably 0.3 mm, in order to facilitate spraying, the sprayed droplets are not rough, are not sprayed linearly, and the sprayable area is not extremely narrow. The range is preferably 2 mm or less, more preferably 1 mm or less.
In the case of using a trigger type spray equipped with a mechanism for spraying in the form of droplets, the cleaning agent for hard surface containing a spray container of the present invention is preferably 0.1 mL or more, more preferably 0.3 mL in one operation. Above, and preferably 5 mL or less, more preferably 2 mL or less of the composition is sprayed.

In addition, in the detergent article for a hard surface containing a spray container according to the present invention, when a trigger type spray having a foam formation mechanism is used, a spin element and several rod-like protrusions are preferably formed in a circular space portion having a diameter of 4 to 8 mm. Those having an installed liquid passage plate are preferred. Here, the spin element is a mechanism that applies a spin to the flow of the liquid substance through the spin element, and finally ejects the liquid from the nozzle, and the detailed structure thereof is disclosed in JP-A-8-332422 and JP-A-8-108102. 4B, FIG. 1 of JP-A-2002-68265, and the like can be referred to.

When using a trigger spray with a foam formation mechanism, the spray container hard surface cleaning article of the present invention is preferably 0.5 mL or more, more preferably 1 mL or more, and preferably, in one operation. The composition of 30 mL or less, more preferably 15 mL or less, and still more preferably 5 mL or less is sprayed.

The liquid passage plate, which is another member of the foam formation mechanism, is preferably a circular space portion having a diameter of 5 to 7 mm, preferably having 3 to 8 rod-like protrusions. In this case, a rectangular bar-shaped protrusion having a width of 0.8 to 1.2 mm and a length of 2 to 4 mm is preferable. Further, the area occupied by the rod-shaped protrusions with respect to the space portion excluding the rod-shaped protrusions is preferably 30 area% or more, more preferably 40 area% or more, and preferably 90 area% or less, more preferably 80 area% or less. More preferably, it is 70 area% or less, and by installing such a liquid passage plate, the adhesion and retention of bubbles to the vertical surface becomes good.

As the container for the hard surface cleaning article containing a spray container of the present invention, a generally used container can be used. For example, polyethylene, polypropylene, or polyethylene terephthalate is obtained as a raw material, and can be manufactured by blow molding or the like. The wall thickness of the container may be different from the bottom and side surfaces, and is preferably 0.01 to 2 mm, and the capacity of the container is preferably 100 to 1000 mL. The amount of the cleaning composition of the present invention filled in the container is preferably 200 to 500 mL for handling. In addition, the filling of the liquid is performed leaving a common sense gap.

The method for cleaning a hard surface of the present invention is preferable as a method for cleaning a hard surface of a hard article, a hard surface of tableware and a hard article around the kitchen, and a hard surface of tableware. Further, it is preferable as a hand washing method for a hard surface of a hard article, a hand washing method for a hard surface of a tableware and a hard article around a kitchen, a hand washing method for a tableware, and a hand washing method for a hard surface of a tableware.

The method for cleaning a hard surface of the present invention targets a hard surface of a hard article, preferably a hard surface of tableware and a hard article around the kitchen, more preferably tableware, and more preferably a hard surface of tableware.
The above-mentioned thing is mentioned for the hard article around tableware and a kitchen.
In addition, the method for cleaning a hard surface of the present invention preferably targets a hard surface of an article selected from tableware, storage containers, cooking utensils, and cooking appliances, and further includes a plate, a bowl, a tapper, a bottle, a kitchen knife, and a cutting board. More preferably, it targets hard surfaces of articles selected from pans, pans, grilled fish, food processors, and mixers.
Examples of the material of the hard surface targeted for the method for cleaning a hard surface of the present invention include plastic (including silicone resin), metal, earthenware, wood, and combinations thereof.
And the washing | cleaning method of the hard surface of this invention can wash | clean effectively the oil stain containing the solid fat adhering to these hard surfaces.

In the method for cleaning a hard surface of the present invention, the cleaning composition of the present invention is brought into direct contact with the hard surface. And since it is sufficient to leave the composition in contact, it is not necessary to apply mechanical force such as scrubbing with a flexible material such as sponge during cleaning.
Therefore, the hard surface cleaning method of the present invention,
(1) Rigid articles that are inconvenient for hand-washing such as food manufacturing equipment, refrigerators, cupboards, pipes, parts and drains, water bottles, tumblers, kettles, pots, etc.
(2) Oil stains that contain solid fat such as food, tableware, cooking utensils storage areas, cooking tables, range hoods, sinks, gas ranges, microwave ovens, and other kitchen cooking areas such as floors and walls. An article having an extensive hard surface,
(3) Flexible materials such as sponges, such as kitchen knives, peelers, graters, slicers, juicer blades, food processor blades and other dangerous items, and (4) items with complicated shapes. The present invention can also be applied to articles that are difficult to clean using materials. If necessary, scrubbing may be performed.
Further, in the method for cleaning a hard surface of the present invention, the cleaning composition of the present invention, preferably the foamy composition, is applied to a hard surface and left as it is, so that the composition is lengthened on the hard surface. Can be fastened.
The method for cleaning a hard surface according to the present invention comprises a step of rinsing the hard surface contacted with the cleaning composition with water, preferably the hard surface contacted with the cleaning composition is allowed to stand and then rinsed with water. A process may be included.

<Surfactant for cleaning>
The present invention is a detergent for washing, preferably a detergent for washing dishes, represented by the following general formula (a1).
That is, the use of a surfactant represented by the following general formula (a1) as a cleaning agent, preferably as a tableware cleaning agent.

[Wherein, R ^1a and R ^2a are each independently a branched chain hydrocarbon group having one or more side chains, and the total branched chain hydrocarbon group has 7 to 22 carbon atoms. And the total number of carbon atoms constituting the side chain is 3 or more and 7 or less. A ¹ and A ² are each independently an alkylene group having 2 or more and 4 or less carbon atoms, and x and y are average added mole numbers, and are each independently 0 or more and 6 or less. M ¹ is a hydrogen atom or a cation. ]

In general formula (a1), the preferable ranges of R ^1a , R ^2a , A ¹ , A ² , x, y, and M ¹ are as described above. Moreover, the preferable aspect for washing | cleaning is also as above-mentioned.

Regarding the above-described embodiment, the present invention further discloses the following cleaning composition, cleaning method for hard surface, cleaning article for hard surface with spray container, and cleaning surfactant and use. In these embodiments, the matters described in the cleaning composition of the present invention, the method for cleaning a hard surface, the cleaning agent for a hard surface in a spray container, the surfactant for cleaning, and the use as a cleaning agent are mutually connected. It can be applied as appropriate. In addition, these modes include a mode in which the hard surface is replaced with tableware.

<1>
(A) The cleaning composition containing the surfactant represented by the following general formula (a1) as a component.

[Wherein, R ^1a and R ^2a are each independently a branched chain hydrocarbon group having one or more side chains, and the total branched chain hydrocarbon group has 7 to 22 carbon atoms. And the total number of carbon atoms constituting the side chain is 3 or more and 7 or less. A ¹ and A ² are each independently an alkylene group having 2 or more and 4 or less carbon atoms, and x and y are average added mole numbers, and are each independently 0 or more and 6 or less. M ¹ is a hydrogen atom or a cation. ]

<2>
R ^1a and R ^2a each independently have 8 or more carbon atoms, preferably 9 or more, and 18 or less, preferably 15 or less, more preferably 12 or less, still more preferably 11 or less, and still more preferably 10 The cleaning composition according to <1>, wherein:

<3>
R ^1a and R ^2a each independently have a main chain carbon number of 4 or more, preferably 5 or more, more preferably 6 or more, and 19 or less, preferably 15 or less, more preferably 12 or less, and still more preferably The cleaning composition according to <1> or <2>, wherein is 9 or less, more preferably 8 or less, even more preferably 7 or less, and still more preferably 6 or less.

<4>
<1> to <3 above, wherein the total number of carbon atoms constituting the side chains of R ^1a and R ^2a is independently 4 or more and 6 or less, preferably 5 or less, more preferably 4 or less. > The cleaning composition in any one of>.

<5>
The number of side chains of R ^1a and R ^2a is independently 1 or more and 6 or less, preferably 5 or less, more preferably 4 or less, still more preferably 3 or less, and still more preferably 2 or less. The cleaning composition according to any one of <1> to <4>.

<6>
The number of branched carbons in R ^1a and R ^2a is independently 1 or more and 6 or less, preferably 5 or less, more preferably 4 or less, still more preferably 3 or less, and still more preferably 2 or less. The cleaning composition according to any one of <1> to <5>.

<7>
R ^1a and R ^2a are each independently a trimethylpentyl group, trimethylhexyl group, trimethylheptyl group, trimethyloctyl group, methylethylpentyl group, methylethylhexyl group, methylethylheptyl group, methylethyloctyl group, dimethylethylbutyl Group, dimethylethylpentyl group, dimethylethylhexyl group, dimethylethylheptyl group, dimethylethyloctyl group, propylpentyl group, propylhexyl group, propylheptyl group, propyloctyl group, butylpentyl group, butylhexyl group, butylheptyl group, butyl Octyl group, 1- (2-methylpropyl) -3-methylbutyl group, 1- (3-methylbutyl) -4-methylpentyl group, 1- (4-methylpentyl) -5-methylhexyl group, pentylhexyl group And one or more selected from hexyldecyl group, preferably 3-methyl-5,5-dimethylhexyl group (3,5,5-trimethylhexyl group), 2-propylpentyl group, 2-propylhexyl group, 2-hexyldecyl group, 1-butylhexyl group, 1-butylpentyl group, 1- (2-methylpropyl) -3-methylbutyl group, 1-ethyl-2-methylpentyl group, and 1-methyl-1-ethyl One or more selected from -2-methylbutyl groups, more preferably 3-methyl-5,5-dimethylhexyl group (3,5,5-trimethylhexyl group), 1-butylhexyl group, 1-butylpentyl 1 or more selected from the group, 1- (2-methylpropyl) -3-methylbutyl group, and 2-propylpentyl group, more preferably 1-butylhexyl. It is a group, wherein <1> to any one detergent composition according <6>.

<8>
The cleaning composition according to any one of <1> to <7>, wherein A ¹ and A ² are each independently an alkylene group having 2 to 3 carbon atoms.

<9>
The cleaning composition according to any one of <1> to <8>, wherein x and y are each independently 4 or less, preferably 2 or less, more preferably 0.

<10>
The cleaning composition according to any one of <1> to <9>, wherein x + y is 0 or more and 12 or less, preferably 6 or less, more preferably 3 or less, and still more preferably 0.

<11>
M ¹ is a hydrogen atom, an inorganic cation or an organic cation, preferably an inorganic cation selected from a hydrogen atom, a sodium ion, an ammonium ion, a potassium ion and a magnesium ion, or a monoethanolammonium ion or a diethanolammonium ion <1> to <10, which is an organic cation selected from triethanolammonium ions and morpholinium ions, more preferably an inorganic cation selected from sodium ions, ammonium ions, potassium ions and magnesium ions. > The cleaning composition in any one of>.

<12>
(A) A component is 0.01 mass% or more, Preferably it is 0.1 mass% or more, More preferably, it is 0.3 mass% or more, More preferably, it is 0.5 mass% or more, More preferably, it is 0.8 mass % Or more, more preferably 1% by mass or more, and 30% by mass or less, preferably 20% by mass or less, more preferably 15% by mass or less, still more preferably 10% by mass or less, and still more preferably 8% by mass or less. The cleaning composition according to any one of <1> to <11>, further preferably 5% by mass or less, more preferably 3% by mass or less, and still more preferably 2% by mass or less.

<13>
The cleaning composition according to any one of <1> to <12>, which contains an amphoteric surfactant or an amine oxide type surfactant as a component (b).

<14>
(B) The cleaning composition according to <13>, wherein the component is an amphoteric surfactant.

<15>
(B) The cleaning composition according to <14>, wherein the component is one or more amphoteric surfactants selected from sulfobetaine, hydroxysulfobetaine, and carbobetaine.

<16>
The component (b) is 0.01% by mass or more, preferably 0.05% by mass or more, more preferably 0.1% by mass or more, and 30% by mass or less, preferably 15% by mass or less, more preferably 10%. The cleaning composition according to any one of <13> to <15>, which is contained by mass% or less.

<17>
(C) The cleaning composition according to any one of <1> to <16>, which contains a salt as a component.

<18>
The component (c) is 0.001% by mass or more, preferably 0.01% by mass or more, more preferably 0.1% by mass or more, and 10% by mass or less, preferably 5% by mass or less. 17>.

<19>
(D) The cleaning composition according to any one of <1> to <18>, which contains a hydrotrope as a component.

<20>
Component (d) is toluenesulfonic acid, xylenesulfonic acid, cumenesulfonic acid or a sodium salt, potassium salt or magnesium salt thereof, preferably p-toluenesulfonic acid or a sodium salt, potassium salt or magnesium salt thereof. The cleaning composition according to <19>.

<21>
The component (d) is 0.5% by mass or more, preferably 1% by mass or more, more preferably 1.5% by mass or more, and 15% by mass or less, preferably 10% by mass or less, more preferably 5% by mass. The cleaning composition according to <19> or <20>, which is contained below.

<22>
(E) The cleaning composition according to any one of <1> to <21>, which contains a solvent as a component.

<23>
The cleaning composition according to <22>, wherein the component (e) is a water-soluble organic solvent having 2 or more carbon atoms, preferably 3 or more carbon atoms, and 10 or less carbon atoms, preferably 8 or less carbon atoms. .

<24>
(E) component is ethanol, isopropyl alcohol, ethylene glycol, propylene glycol, diethylene glycol, dipropylene glycol, glycerin, isoprene glycol, propylene glycol monomethyl ether, propylene glycol monoethyl ether, 3-methyl-3-methoxybutanol, phenoxyethanol, One or more water-soluble organic solvents selected from phenyl glycol, phenoxyisopropanol, butyl diglycol (diethylene glycol monobutyl ether), dibutylene diglycol and benzyl alcohol, preferably one selected from butyl diglycol, ethanol and propylene glycol These water-soluble organic solvents are more preferably ethanol and propylene glycol Is one or more water-soluble organic solvent selected, the <22> or cleaning composition according to <23>.

<25>
The component (e) is 3% by mass or more, more preferably 5% by mass or more, further preferably 10% by mass or more, and preferably 30% by mass or less, more preferably 20% by mass or less, still more preferably 15% by mass. The cleaning composition according to any one of <22> to <24>, which is contained below.

<26>
The cleaning composition according to any one of <1> to <25>, which contains water.

<27>
30% by weight or more of water, preferably 50% by weight or more, more preferably 60% by weight or more, more preferably 70% by weight or more, still more preferably 80% by weight or more, still more preferably 90% by weight or more, and , 99.8% by mass or less, preferably 99.5% by mass or less, more preferably 99.2% by mass or less.

<28>
The solid content is 0.1% by mass or more, preferably 0.3% by mass or more, more preferably 0.5% by mass or more, still more preferably 0.8% by mass or more, and still more preferably 1% by mass. The above <1> to <27, which are 30% by mass or less, preferably 20% by mass or less, more preferably 10% by mass or less, still more preferably 5% by mass or less, and still more preferably 3% by mass or less. > The cleaning composition in any one of>.

<29>
The pH at 25 ° C. is 2 or more, preferably 4 or more, more preferably 5 or more, and 10 or less, preferably 9 or less, more preferably 8 or less, any one of the above items <1> to <28> The cleaning composition as described.

<30>
The viscosity at 20 ° C. is 0.5 mPa · s or more, preferably 1 mPa · s or more, and 200 mPa · s or less, preferably 100 mPa · s or less, more preferably 50 mPa · s or less, still more preferably 20 mPa · s or less, The cleaning composition according to any one of <1> to <29>, further preferably 10 mPa · s or less, more preferably 7 mPa · s or less, and still more preferably 5 mPa · s or less.

<31>
Any one of <1> to <30>, which is used for a hard surface of a hard article, preferably for a hard surface of tableware or a hard article around a kitchen, more preferably for tableware, and still more preferably for a hard surface of tableware. The cleaning composition as described.

<32>
For hand-washing of hard surfaces of hard articles, preferably for hand-washing of hard surfaces of tableware or hard articles around the kitchen, more preferably for hand-washing of tableware, more preferably for hand-washing of hard surfaces of tableware The cleaning composition according to any one of <1> to <30>.

<33>
Detergent for application to hard surface of hard article, preferably cleaner for application to hard surface of tableware or hard article around kitchen, more preferably cleaner for application to tableware, more preferably to hard surface of tableware The cleaning composition according to any one of <1> to <30>, wherein the cleaning composition is an application cleaning agent.

<34>
A cleaner for spraying hard surfaces of hard articles, preferably a cleaner for spraying hard surfaces of tableware or hard articles around the kitchen, more preferably a cleaner for spraying tableware, more preferably hardeners for dishes The cleaning composition according to any one of <1> to <30>, which is a cleaning agent for spraying onto a surface.

<35>
The cleaning according to any one of the above <1> to <30>, which is used in direct contact with a hard surface, preferably a hard surface selected from tableware and a hard article around the kitchen, more preferably tableware, without dilution. Agent composition.

<36>
Hard article, preferably a hard article selected from food manufacturing equipment such as pipes and parts, tableware and a hard article around the kitchen, more preferably a hard article selected from tableware and a hard article around the kitchen, more preferably tableware Or
Foods such as refrigerators and cupboards, tableware, cooking utensils storage areas, drains, countertops, range hoods, sinks, gas ranges, microwave ovens, and other floors and walls are subject to cleaning. Or
Tableware, preferably so-called tableware such as dishes and bowls, storage containers such as tappers and bottles, kitchen utensils and cutting boards, cooking utensils such as pans, frying pans and grilled fish, and cooking appliances such as food processors and mixers The cleaning composition according to any one of <31> to <35>.

<37>
The cleaning composition according to any one of <31> to <36>, wherein the material of the hard surface is plastic, metal, earthenware, wood, and combinations thereof.

<38>
A method of cleaning a hard surface, wherein the hard surface is cleaned with the cleaning composition according to any one of <1> to <37>, preferably the cleaning composition is cleaned by bringing the cleaning composition into contact with the hard surface.

<39>
The method for cleaning a hard surface according to <38>, wherein the cleaning composition is brought into contact with the hard surface with a stock solution.

<40>
The method for cleaning a hard surface according to <38> or <39>, wherein the cleaning composition is brought into contact with the hard surface without dilution.

<41>
The method for cleaning a hard surface according to any one of the above <38> to <40>, wherein the cleaning composition is brought into contact with a hard surface to which oil stain is adhered, and further to a hard surface to which oil stain containing solid fat is adhered. .

<42>
The method for cleaning a hard surface according to any one of <38> to <41>, wherein the cleaning composition is left in contact with the hard surface without applying mechanical force.

<43>
The cleaning composition is 0.1 g or more, preferably 0.3 g or more, more preferably 0.4 g or more, and 5 g or less, preferably 3 g or less, more preferably 100 g ^{2 of} hard surface area. The method for cleaning a hard surface according to any one of the above <38> to <42>, wherein the contact is performed at a ratio of 2 g or less, preferably by application or spraying.

<44>
After contacting the cleaning composition with the hard surface, it is 10 seconds or more, preferably 20 seconds or more, more preferably 30 seconds or more, still more preferably 40 seconds or more, still more preferably 50 seconds or more, and even more preferably. 1 minute or more, more preferably 1.5 minutes or more, and 60 minutes or less, preferably 30 minutes or less, more preferably 20 minutes or less, still more preferably 10 minutes or less, and preferably with mechanical force applied. The method for cleaning a hard surface according to any one of the above <38> to <43>, wherein the method is left undisturbed.

<45>
The cleaning composition is 10 seconds or more, preferably 20 seconds or more, more preferably 30 seconds or more, still more preferably 40 seconds or more, still more preferably 50 seconds or more, still more preferably 1 minute or more, and even more preferably. <38> to <43>, which are brought into contact with the hard surface to be cleaned for 1.5 minutes or more and 60 minutes or less, preferably 30 minutes or less, more preferably 20 minutes or less, and even more preferably 10 minutes or less. The method for cleaning a hard surface according to any one of the above.

<46>
The method for cleaning a hard surface according to any one of <38> to <45>, wherein the hard surface is immersed in the cleaning composition and brought into contact therewith.

<47>
The method for cleaning a hard surface according to any one of <38> to <45>, wherein the cleaning composition is sprayed or applied to contact the hard surface.

<48>
The method for cleaning a hard surface according to any one of <38> to <45>, wherein the cleaning composition is sprayed in the form of droplets or applied in the form of a foam and is brought into contact with the hard surface. .

<49>
Either <47> or <48>, wherein the detergent composition is brought into contact with the hard surface using a detergent product for hard surface obtained by filling the detergent composition in a container having a sprayer. A method for cleaning a hard surface according to claim 1.

<50>
The hard surface is a hard surface of a hard article, preferably a hard surface of a hard article around tableware and kitchen, more preferably a hard surface of tableware, or
The hard surface is a hard surface of a hard article selected from pipes, parts and drainage grooves, water bottles, tumblers, kettles, pots of food manufacturing equipment, refrigerators, cupboards, or the like, or
The hard surface is a hard surface of a hard article selected from food, tableware, cooking utensil storage place, cooking table, range hood, sink, gas range, microwave oven, etc. Is or
The hard surface cleaning according to any one of <38> to <49>, wherein the hard surface is a hard surface of a hard article selected from a knife, a peeler, a grater, a slicer, a juicer blade, and a food processor blade. Method.

<51>
The method for cleaning a hard surface according to any one of <38> to <50>, wherein the material of the hard surface is plastic, metal, earthenware, wood, or a combination thereof.

<52>
The method for cleaning a hard surface according to any one of <38> to <51>, wherein the cleaning composition is a liquid cleaning composition for oil removing hard surface.

<53>
A hard surface cleaning article obtained by filling the cleaning composition according to any one of <1> to <37> in a container having a sprayer.

<54>
The spray spray container is a manual spray device that does not use a propellant or an aerosol that uses a propellant, preferably a manual spray that does not use a propellant selected from a trigger spray container and a pump spray container The device is more preferably a trigger spray capable of spraying or applying the contents in the form of droplets or bubbles, more preferably a trigger having a mechanism for spraying the contents in droplets The hard surface cleaning article according to the above <53>, which is a trigger type spray having a spray-type spray or a foam-forming mechanism (foam-forming mechanism).

<55>
A surfactant for cleaning represented by the following general formula (a1).

[Wherein, R ^1a and R ^2a are each independently a branched chain hydrocarbon group having one or more side chains, and the total branched chain hydrocarbon group has 7 to 22 carbon atoms. And the total number of carbon atoms constituting the side chain is 3 or more and 7 or less. A ¹ and A ² are each independently an alkylene group having 2 or more and 4 or less carbon atoms, and x and y are average added mole numbers, and are each independently 0 or more and 6 or less. M ¹ is a hydrogen atom or a cation. ]

<56>
Use of a surfactant represented by the following general formula (a1) as a cleaning agent.

[Wherein, R ^1a and R ^2a are each independently a branched chain hydrocarbon group having one or more side chains, and the total branched chain hydrocarbon group has 7 to 22 carbon atoms. And the total number of carbon atoms constituting the side chain is 3 or more and 7 or less. A ¹ and A ² are each independently an alkylene group having 2 or more and 4 or less carbon atoms, and x and y are average added mole numbers, and are each independently 0 or more and 6 or less. M ¹ is a hydrogen atom or a cation. ]

<57>
The liquid detergent for hard surfaces of the detergent composition according to any one of <1> to <37>, preferably the liquid detergent for hard surfaces of tableware or hard articles around the kitchen, more preferably the liquid detergent for dishes. Use as.

<58>
The cleaning composition for cleaning a hard surface of any one of the above <1> to <37>, preferably a cleaning liquid for removing oil from hard dishes around kitchen or a hard article around the kitchen, more preferably Use as a liquid cleaning agent for oil removal.

<59>
Liquid cleaning for hard surfaces used for the cleaning composition according to any one of <1> to <37> above, wherein the cleaning composition is brought into contact with a hard surface without dilution and washed without applying mechanical force. Use as an agent, preferably a liquid detergent for hard surfaces of tableware or hard articles around the kitchen, more preferably as a liquid detergent for tableware.

<60>
Of the cleaning composition according to any one of the above items <1> to <37>, tableware, preferably tableware to which oil stains have adhered without dilution of the composition, more preferably tableware to which oil stains including solid fat have adhered Use in a method of cleaning tableware that comes into contact with the water.
Example

Using the following blending components, cleaning compositions shown in Table 1 were prepared, and the following items were evaluated. The results are shown in Table 1. The cleaning compositions in Table 1 were prepared by a conventional method. That is, after adding (a) component or (a ′) component (comparative component of (a) component) to an appropriate amount of ion-exchanged water and dissolving at room temperature (25 ° C.), sodium hydroxide and / or hydrochloric acid is added. The pH (25 ° C.) was adjusted to 6 by addition. In addition, all the mass% of the mixing | blending component in Table 1 is a numerical value based on an effective part. The component (a) and the component (a ′) indicate mass% based on sodium salt.

<Composition ingredients>
Synthesis of component (a) Component (a) was synthesized using commercially available reagents. Maleic acid (manufactured by Wako Pure Chemical Industries, Ltd.) and a specific alcohol were transesterified to synthesize a precursor. By reacting the precursor with sodium bisulfite (manufactured by Wako Pure Chemical Industries, Ltd.), a reaction solution containing the component (a) could be obtained. The resulting compound reaction solution was purified by open column chromatography. Its purity was 99%. The compound was identified using a nuclear magnetic resonance apparatus.

The component (a-1) shown below was synthesized as follows.
In a four-necked flask, maleic acid, 2.5 equivalents of 5-decanol (manufactured by Tokyo Chemical Industry Co., Ltd.) in a molar ratio of 300 mL of xylene (manufactured by Wako Pure Chemical Industries, Ltd.) as a solvent 0.5% p-toluenesulfonic acid monohydrate (manufactured by Wako Pure Chemical Industries, Ltd.) was added and reacted at 145 ° C. for 6 hours with stirring. The reaction solution was purified by open column chromatography, and the production of the precursor was confirmed using a nuclear magnetic resonance apparatus. The yield was 90%.
To the four-necked flask, the obtained precursor, 1.3 equivalent amount of sodium bisulfite in a molar ratio, and 300 mL of isopropanol (manufactured by Wako Pure Chemical Industries, Ltd.) as a solvent were added and stirred at 115 ° C. for 18 hours. Reacted. The reaction solution was purified by open column chromatography, and the formation of sodium di-1-butylhexyl sulfosuccinate as the component (a-1) was confirmed using a nuclear magnetic resonance apparatus. The yield was 35%.

The synthesis of the following component (a-2) is performed by changing 3,5,5-trimethylhexane-1-ol (Wako Pure Chemical Industries, Ltd.) by replacing the alcohol raw material with 5-decanol in the synthesis of the component (a-1). The product was synthesized using
The following component (a-3) was synthesized using 5-nonanol (Wako Pure Chemical Industries, Ltd.) instead of 5-decanol in the synthesis of component (a-1).
In addition, the synthesis of the following component (a-4) is performed by replacing 2,6-dimethyl-4-heptanol (manufactured by Tokyo Chemical Industry Co., Ltd.) by replacing the alcohol raw material with 5-decanol in the synthesis of the component (a-1). And synthesized.
Further, the synthesis of the following component (a-5) is performed by using 2-propyl-1-pentanol (manufactured by Sigma-Aldrich) instead of 5-decanol in the synthesis of the component (a-1). Synthesized.

(A) Component (a-1): Sodium di-1-butylhexyl sulfosuccinate (in the general formula (a1), R ^1a and R ^2a are both 1-butylhexyl groups, x and y are both 0, M ¹ : Sodium compound)
(A-2): di-3,5,5-trimethylhexyl sodium sulfosuccinate (in formula (a1), R ^1a and R ^2a are both 3,5,5-trimethylhexyl groups, x and y are both 0 , M ¹ : Compound of sodium)
(A-3): Sodium di-1-butylpentyl sulfosuccinate (in general formula (a1), R ^1a and R ^2a are both 1-butylpentyl groups, x and y are both 0, and M ^{1 is} a compound of sodium)
(A-4): Di-1- (2-methylpropyl) -3-methylbutylsulfosuccinate (in formula (a1), R ^1a and R ^2a are both 1- (2-methylpropyl) -3- Methylbutyl group, x and y: both 0, M ¹ : sodium compound)
(A-5): sodium di-2-propylpentyl sulfosuccinate (in general formula (a1), R ^1a and R ^2a are both 2-propylpentyl groups, x and y are both 0, and M ^{1 is} a compound of sodium)
The structures of the compounds (a-1) to (a-5) are shown below.

Component (a ′) (Comparative component of component (a))
(A′-1): Di-2-ethylhexyl sodium sulfosuccinate (product name “Airol CT-1L”, manufactured by Toho Chemical Industry Co., Ltd.), in general formula (a1), R ^1a and R ^2a are both 2- Ethylhexyl group, x, y: both 0, M ¹ : sodium compound (a′-2): 2-ethylhexyl sodium sulfate (manufactured by Sigma-Aldrich)

<Detergency evaluation (solution immersion evaluation)>
(1) Model contaminated substrate A mixture of beef tallow (Sigma Aldrich Japan Co., Ltd.) and rapeseed oil (Kishida Chemical Co., Ltd.) at a mass ratio of 9: 1 is prepared. The same). The mass of a 30 mm (width) × 80 mm (length) × 1 mm (thickness) polypropylene test piece (manufactured by Engineering Test Service Co., Ltd.) was measured with a 4-digit balance (p). A model soil was applied to both sides of the polypropylene test piece to a height of 50 mm from the lower end so that the both sides were uniformly applied to 0.02 to 0.04 g to prepare a dirty piece. The mass of the dirty piece was measured with a 4-digit balance (q).

(2) Evaluation procedure 50 g of each cleaning composition described in Table 1 is placed in a 50 mL container (inner diameter 35 mm × height 68 mm column), and then a piece of dirt is leaned into the container and brought into contact with the composition. I let you. At this time, the part of the dirt piece to which the dirt was attached was all immersed in the composition in the container.

After the soil piece was immersed in the cleaning composition in the container for 1 minute, the soil piece was taken out and rinsed with running tap water for 1 minute. At this time, the conditions of rinsing with running water were: the temperature of tap water was 25 ° C., the flow rate was about 4 L / min, and the diameter of the opening of the faucet was about 15 mm. Hold the dirt piece at 45 ° against tap water falling on the dirt piece located 5cm vertically from the opening, and at the upper end where the dirt is not adhered to the dirt piece with the angle fixed Received running water and rinsed the entire cleaning part with tap water flowing over the dirty piece. At this time, the front and back sides were changed every 10 seconds. After rinsing, the soil piece was dried, and the mass was measured with a 4-digit balance (r). The cleaning rate was determined by the following formula.
Cleaning rate (%) = {(q) − (r)} / {(q) − (p)} × 100
Moreover, the washing | cleaning rate at the time of immersing a dirt piece in the cleaning composition in the said container for 1 hour by the method similar to the above was calculated | required. The results are shown in Table 1.

In Table 1, as the structure of the component (a) or (a ′), the carbon number of the hydrocarbon group, the carbon number of the main chain, the total carbon of the side chain in R ^1a and R ^2a in the general formula (a1) The number (total number of carbon atoms constituting the side chain), the number of side chains, and the number of branched carbons are shown respectively.
In the components (a-1) to (a-5) and the component (a′-1), R ^1a and R ^2a in the general formula (a1) are the same alkyl chain. The component (a′-2) is different from the compound represented by the general formula (a1), but the alkyl chain of the component (a′-2) has the above characteristics.

Claims (15)

1. (A) The detergent composition for tableware containing the surfactant represented by the following general formula (a1) as a component.
   

   

   [Wherein, R ^1a and R ^2a are each independently a branched chain hydrocarbon group having one or more side chains, and the total branched chain hydrocarbon group has 7 to 22 carbon atoms. And the total number of carbon atoms constituting the side chain is 3 or more and 7 or less. A ¹ and A ² are each independently an alkylene group having 2 or more and 4 or less carbon atoms, and x and y are average added mole numbers, and are each independently 0 or more and 6 or less. M ¹ is a hydrogen atom or a cation. ]
2. The tableware cleaning composition of Claim 1 whose carbon number of the principal chain of R < ^1a >, R < ^2a > is 4 or more and 19 or less each independently.
3. (A) The cleaning composition for tableware of Claim 1 or 2 containing 0.1 mass% or more of a component.
4. The dish detergent composition according to any one of claims 1 to 3, wherein the number of side chains of R ^1a and R ^2a is independently 1 or more and 6 or less.
5. The dishwashing detergent composition according to any one of claims 1 to 4, wherein the number of branched carbons of R ^1a and R ^2a is independently 1 or more and 6 or less.
6. R ^1a and R ^2a are each independently a trimethylpentyl group, trimethylhexyl group, trimethylheptyl group, trimethyloctyl group, methylethylpentyl group, methylethylhexyl group, methylethylheptyl group, methylethyloctyl group, dimethylethylbutyl Group, dimethylethylpentyl group, dimethylethylhexyl group, dimethylethylheptyl group, dimethylethyloctyl group, propylpentyl group, propylhexyl group, propylheptyl group, propyloctyl group, butylpentyl group, butylhexyl group, butylheptyl group, butyl Octyl group, 1- (2-methylpropyl) -3-methylbutyl group, 1- (3-methylbutyl) -4-methylpentyl group, 1- (4-methylpentyl) -5-methylhexyl group, pentylhexyl group And at least one member selected from hexyl dodecyl, any one dishwashing detergent composition according to claim 1-5.
7. The dishwashing detergent composition according to any one of claims 1 to 6, which is used for removing solid fat.
8. The dishwashing detergent composition according to any one of claims 1 to 7, which is used in a method of washing without contacting with tableware and applying mechanical force.
9. The dishwashing detergent composition according to any one of claims 1 to 8, which is a liquid.
10. A method for washing tableware, wherein the tableware is washed with the dishwashing detergent composition according to any one of claims 1 to 9.
11. The method for washing tableware according to claim 10, wherein the dishwashing detergent composition is left in contact with the tableware without applying mechanical force.
12. The method for washing tableware according to claim 11, wherein the time for leaving is 10 seconds or longer.
13. The method for cleaning tableware according to any one of claims 10 to 12, wherein the tableware cleaning composition is sprayed or applied to contact the tableware.
14. A tableware detergent product in a spray container, wherein the dishwashing composition according to any one of claims 1 to 9 is filled in a container having a sprayer.
15. Use of a surfactant represented by the following general formula (a1) as a detergent for tableware.
    

    

    [Wherein, R ^1a and R ^2a are each independently a branched chain hydrocarbon group having one or more side chains, and the total branched chain hydrocarbon group has 7 to 22 carbon atoms. And the total number of carbon atoms constituting the side chain is 3 or more and 7 or less. A ¹ and A ² are each independently an alkylene group having 2 or more and 4 or less carbon atoms, and x and y are average added mole numbers, and are each independently 0 or more and 6 or less. M ¹ is a hydrogen atom or a cation. ]