JP2022083639A - Detergent composition for washing dishes with hands and method for washing dishes - Google Patents

Abstract

To provide a detergent composition for washing dishes with hands that is excellent in detergency against pigmented stains and can suppress the generation of a peculiar odor even by a simple washing method.SOLUTION: A detergent composition containing a surfactant (component A), a specific amine compound (component B), and a chelating agent (component C), wherein the mass ratio of the component C/the component B is 14 to 600. It is preferred that the component A contains at least one selected from an anionic surfactant (component a1) and an amphoteric surfactant (component a2), and the mass ratio of the component a1/the component a2 is 0.5 to 3.SELECTED DRAWING: None

Description

The present invention relates to a hand-washing detergent composition for tableware and a method for cleaning tableware.

In the washing activity of hand-washing kitchen utensils such as tableware and cooking utensils (hereinafter sometimes referred to as "tableware"), it is desired that the stains be thoroughly removed and that the washing can be completed easily without stress. There is.
Examples of stains that are difficult to clean include pigmented stains such as tea astringent stains and oil stains.
Dishwashing methods include scrubbing dishes with a cleaning tool such as a sponge to which a dishwashing agent is attached, and then rinsing with water (rubbing washing). Then, there is a washing method (soaking and washing) in which tableware or the like is soaked in this dipping solution, left for a certain period of time, and then rinsed with water. It is said that the physical burden and the time burden of the soaked washing are smaller than those of the scrubbing washing.

For example, Patent Document 1 describes a dishwashing detergent composition containing an anionic surfactant, one or more selected from an amphoteric surfactant and an amine oxide type surfactant, a specific triamine, and an enzyme. Has been proposed. According to the invention of Patent Document 1, the detergency and defoaming property in the soaking and washing are improved.
Further, Patent Document 2 describes a hand-washing detergent composition for dishes containing an anionic surfactant, one or more selected from amphoteric surfactants and amine oxide-type surfactants, and triamine in a specific mass ratio. Things have been proposed. According to the invention of Patent Document 2, the detergency in the soaking and washing is improved.
Patent Document 3 proposes a tableware hand-washing cleaning composition containing an anionic surfactant, a specific polycarboxylic acid or a salt thereof, and an amine in a specific amount. According to the invention of Patent Document 3, the detergency against pigmentation stains and oil stains is improved.

Japanese Unexamined Patent Publication No. 200-100791 Japanese Unexamined Patent Publication No. 2019-182903 Japanese Unexamined Patent Publication No. 2006-193726

However, the inventions of Patent Documents 1 and 2 are excellent in detergency against oil stains in soaking and cleaning, but cannot satisfy the detergency against pigmented stains. Although the invention of Patent Document 3 is excellent in detergency against pigmented stains, scrubbing is required.
In addition, the inventions of Patent Documents 1 to 3 may emit a peculiar odor (amine odor) during storage or use.
Therefore, an object of the present invention is a hand-washing detergent composition for tableware, which has excellent detergency against pigmented stains and can suppress the generation of a peculiar odor even by a simple cleaning method.

［（ｂ）式中、ｎは１～６の整数である。Ｒ^１は直鎖もしくは分岐鎖のアルキル基、又は直鎖もしくは分岐鎖のアルケニル基である。Ｒ^２は、水素原子、又は（ＣＨ_２）_ｍＮＨ_２である。ｍは１～６の整数である。］
＜２＞
前記（Ａ）成分は、（ａ１）成分：アニオン界面活性剤と、（ａ２）成分：両性界面活性剤及びアミンオキシド型界面活性剤から選ばれる１種以上と、含有し、
前記（ａ１）成分／前記（ａ２）成分で表される質量比は、０．５～３である、＜１＞に記載の食器用手洗い洗浄剤組成物。
＜３＞
前記（Ａ）成分は、（ａ３）成分：下記（ａ３）式で表される界面活性剤をさらに含有する、＜１＞又は＜２＞に記載の食器用手洗い洗浄剤組成物。

［（ａ３）式中、ＡＯはオキシエチレン基又はオキシプロピレン基を表す。ｚはＡＯの平均繰返し数を表し、６～１２の数である。ｘとｙはそれぞれ１～６の整数であり、６≦ｘ＋ｙ≦１２である。］
＜４＞
（前記（Ｃ）成分＋前記（ａ３）成分）／前記（Ｂ）成分で表される質量比は、１５～３０００である、＜３＞に記載の食器用手洗い洗浄剤組成物。 The present invention has the following aspects.
<1>
A component: a surfactant, a component (B): an amine compound represented by the following formula (b), and a component (C): a chelating agent.
A tableware hand-washing detergent composition having a mass ratio represented by the component (C) / component (B) of 14 to 600.

[In equation (b), n is an integer of 1 to 6. R ¹ is a straight-chain or branched-chain alkyl group, or a straight-chain or branched-chain alkenyl group. R ² is a hydrogen atom or (CH ₂ ) _m NH ₂ . m is an integer from 1 to 6. ]
<2>
The component (A) contains one or more selected from the component (a1): an anionic surfactant and the component (a2): an amphoteric surfactant and an amine oxide type surfactant.
The tableware hand-washing detergent composition according to <1>, wherein the mass ratio represented by the component (a1) / the component (a2) is 0.5 to 3.
<3>
The tableware hand-washing detergent composition according to <1> or <2>, wherein the component (A) further contains a component (a3): a surfactant represented by the following formula (a3).

[In the formula (a3), AO represents an oxyethylene group or an oxypropylene group. z represents the average number of repetitions of AO and is a number of 6 to 12. x and y are integers of 1 to 6, respectively, and 6 ≦ x + y ≦ 12. ]
<4>
The tableware hand-washing detergent composition according to <3>, wherein the mass ratio represented by (the component (C) + the component (a3)) / the component (B) is 15 to 3000.

<5>
A step of immersing the object to be cleaned in a dipping solution containing the hand-washing detergent composition for tableware according to any one of <1> to <4>.
A method for washing dishes, wherein the dipping solution is an aqueous solution containing 0.1 to 30% by mass of the hand-washing detergent composition for tableware with respect to the total mass of the dipping solution.
<6>
The method for washing dishes according to <5>, wherein the hand-washing detergent composition for tableware is applied to the object to be washed, and then water is added to prepare the dipping solution.
<7>
A method for cleaning tableware, which comprises a step of applying the hand-washing detergent composition for tableware according to any one of <1> to <4> or a diluted solution thereof to an object to be cleaned and leaving it to stand.

According to the hand-washing detergent composition for tableware of the present invention, even by a simple cleaning method, it is possible to have excellent detergency against pigmented stains and suppress the generation of a peculiar odor.

(Hand-washing detergent composition for tableware)
The hand-washing detergent composition for tableware of the present invention (hereinafter, may be simply referred to as "detergent composition") is represented by the formula (A) component: surfactant and the component (B) component: (b). It is a liquid composition containing an amine compound and a component (C): a chelating agent.
In this paper, "tableware" includes cooking utensils such as kitchen knives, cutting boards, pots, and frying pans, as well as plates, bowls, coffee cups, tea cups, chopsticks, spoons, and forks.
In this paper, the "hand-washing detergent composition" means a detergent composition used when washing dishes by hand, and is a concept excluding the detergent composition for an automatic dishwasher.

The pH (25 ° C.) of the detergent composition is preferably 6 to 9, more preferably 6 to 8. The pH (25 ° C.) of the detergent composition is a value measured by a method according to JIS Z 8802: 2011 "pH measurement method" using a pH meter.

The viscosity (25 ° C.) of the detergent composition is preferably, for example, 10 to 2000 mPa. The viscosity of the detergent composition is a value measured under the following conditions using a B-type viscometer.
[Measurement condition]
-Rotor: No. 3 rotor (when less than 1000 mPa · s) or No. 4 rotor (when 1000 mPa · s or more).
-Rotation speed: 60 rpm.
-Measurement temperature: 25 ° C.
-Reading the viscosity: 30 seconds after the start of rotation of the rotor.

<Ingredient (A)>
The component (A) is a surfactant. The component (A) contributes to the detergency against dirt adhering to the object to be cleaned. In addition, the component (A) contributes to the effect of suppressing the amine odor.
The component (A) includes an anionic surfactant (component (a1)), one or more surfactants (component (a2)) selected from an amphoteric surfactant and an amine oxide type surfactant, and a specific nonionic interface. Examples thereof include nonionic surfactants such as active agents (component (a3)), cationic surfactants and the like. Above all, the detergent composition preferably contains the component (a1) and the component (a2) as the component (A), and more preferably contains the component (a3).
Hereinafter, the component (A) will be described with reference to an example.

≪ (a1) component ≫
The component (a1) is an anionic surfactant. By containing the component (a1), the cleaning agent composition can further enhance the cleaning power against pigmented stains.
Examples of the component (a1) include a linear alkyl ether sulfate ester salt or an alkenyl ether sulfate ester salt, a linear alkyl sulfate ester salt, a linear alkylbenzene sulfonate, an α-olefin sulfonate, and an α-sulfo fatty acid ester. , Alcan sulfonate and the like. Examples of these salts include alkali metal salts such as sodium and potassium, and alkanolamine salts such as monoethanolamine and diethanolamine.
The component (a1) of the present invention includes a polyoxyalkylene alkyl ether sulfate represented by the following formula (a11), an α-olefin sulfonate, a secondary alkane sulfonate, and represented by the following formula (a12). Anionic surfactants selected from linear alkylbenzene sulfonates are preferred.

R ³ -O- [(PO) _p / (EO) _q ] -SO ₃ M ... (a11)
R ⁴ -C ₆ H ₆ -SO ₃ M ... (a12)

In the formula (a11) ^, R3 is a linear alkyl group. The carbon number of R ³ is preferably 8 to 18, more preferably 10 to 16, and even more preferably 12 to 14. As R3 ^, an alkyl group derived from a vegetable oil / fat raw material is preferable from the viewpoint of detergency and the environment. Suitable oil and fat raw materials include palm kernel oil, coconut oil and the like. PO represents an oxypropylene group, EO represents an oxyethylene group, p represents the average number of repetitions of PO (ie, the average number of moles of propylene oxide added), and q represents the average number of repetitions of EO (ie, the average number of additions of ethylene oxide). Number of moles). For p and q, 0 ≦ p <1 and 0 ≦ q ≦ 4 are preferable, and p = 0 and 0 ≦ q ≦ 2 are more preferable. [(PO) _p / (EO) _q ] indicates that when both EO and PO are present, their arrangement states are irrelevant. That is, EO and PO may be block polymerization or random polymerization. M represents an alkali metal such as sodium and potassium, and an alkanolamine such as monoethanolamine and diethanolamine.

In the α-olefin sulfonate, the average carbon number of the alkyl group is preferably 10 to 18, more preferably 12 to 14. Examples of the counter ion constituting the salt include alkali metals such as sodium and potassium, and alkanolamines such as monoethanolamine and diethanolamine.

The alkane sulfonate is preferably 14 or more and 17 or less carbon atoms. Examples of the counter ion constituting the salt include alkali metals such as sodium and potassium, and alkanolamines such as monoethanolamine and diethanolamine.

In the formula (a12), ^R4 is a linear or branched alkyl group. ^R4 is preferably linear. ^R4 has 8 to 18 carbon atoms, preferably 10 to 14 carbon atoms. M represents an alkali metal such as sodium and potassium, and an alkanolamine such as monoethanolamine and diethanolamine.

Examples of the component (a1) include polyoxyethylene (1) linear alkyl (C12) sulfate ester sodium salt, polyoxyethylene (2) linear alkyl (C12) sulfate ester sodium salt, and polyoxyethylene (3) direct. Chain alkyl (C12) sulphate ester sodium salt, polyoxypropylene (0.4) polyoxyethylene (1.5) linear alkyl (C12) sulphate ester sodium salt, polyoxyethylene (1) linear alkyl (C12 / 14) = 75/25; derived from natural fats and oils) Sulfonate ester sodium salt, polyoxyethylene (2) linear alkyl (C12 / 14 = 75/25; derived from natural fats and oils) sulfate ester sodium salt, polyoxyethylene (3) linear alkyl (C12 / 14 = 75/25; derived from natural fats and oils) Sulfonate ester sodium salt, polyoxypropylene (0.4) polyoxyethylene (1.5) linear alkyl (C12 / 14 = 75/25; derived from natural fats and oils) Examples thereof include sodium sulfate ester salt, α-olefin sulfonic acid sodium salt having 12 to 14 carbon atoms, secondary alkane sulfonic acid sodium salt having 14 to 17 carbon atoms, linear alkyl (C10 to 14) benzene sulfonic acid sodium salt and the like. ..
Here, for example, "polyoxyethylene (1)" means that the average number of repetitions of the oxyethylene group is 1 (the average number of moles of ethylene oxide added is 1).
"C12 / 14 = 75/25; derived from natural fats and oils" is a mixture of those having a linear alkyl group having 12 carbon atoms and those having a linear alkyl group having 14 carbon atoms (mixing ratio: by mass ratio). It means that it is 75/25) and that it is a linear alkyl group derived from natural fats and oils.
These (a1) components may be used alone or in combination of two or more.

≪ (a2) component ≫
The component (a2) is one or more kinds of surfactants selected from amphoteric surfactants and amine oxide type surfactants. By containing the component (a2), the cleaning agent composition can further enhance the cleaning power against pigmented stains.
Examples of the amphoteric surfactant include betaine-type surfactants, and one or more selected from the group consisting of alkyldimethylaminoacetic acid betaine, fatty acid amide propyldimethylaminoacetic acid betaine, alkylhydroxysulfobetaine, and fatty acid amide hydroxysulfobetaine. Amphoteric surfactants can be used. Among them, the amphoteric tenside includes a group consisting of a fatty acid having a fatty acid amide group (8 or more carbon atoms, 22 or less carbon atoms) amidopropyldimethylaminoacetic acid betaine and a fatty acid (8 or more carbon atoms, 22 or less carbon atoms) amidopropylhydroxysulfobetaine. The betaine-type amphoteric surfactant of choice is preferred.
As the fatty acid (carbon number 8 or more and 22 or less) amide propyldimethylaminoacetic acid betaine, lauric acid amide propyl dimethylamino acetate betaine and coconut oil fatty acid amide propyl dimethyl amino acetate betaine are more preferable. The carbon number of the fatty acid of the betaine-type amphoteric tenside is preferably 8 or more and 22 or less, more preferably 10 or more and 18 or less, and further preferably 12 or more and 16 or less.

Examples of the amine oxide type surfactant include alkylamine oxides and alkylamide propyldimethylamine oxides, and among them, the compound represented by the following formula (a20) is preferable and suitable.

In the formula (a20), R ⁶ is a linear alkyl group having 8 to 18 carbon atoms, an alkyl group having a branched chain having 8 to 18 carbon atoms, a linear alkenyl group having 8 to 18 carbon atoms, or an alkenyl group having 8 to 18 carbon atoms. It is an alkenyl group of 18 branched chains. As R6, a linear or branched alkyl group having ⁸ to 18 carbon atoms is preferable.
R ⁶ has 8 to 18 carbon atoms, preferably 10 to 14 carbon atoms.
R ⁷ and R ⁸ are independently alkyl groups having 1 to 3 carbon atoms or hydroxyalkyl groups having 1 to 3 carbon atoms. Among them, R ⁷ and R ⁸ are preferably alkyl groups having 1 to 3 carbon atoms independently, more preferably a methyl group, and R ⁷ and R ⁸ are further preferably methyl groups. R ⁹ is an alkylene group having 1 to 4 carbon atoms. B is -CONH-, -NHCO-, -COO-, -OCO- or -O-. r is a number of 0 or 1, preferably 0.

Examples of the amine oxide type surfactant include alkyldimethylamine oxide-based surfactants such as lauryldimethylamine oxide, coconut alkyldimethylamine oxide and lauryldiethylamine oxide; and alkanoylamide alkyldimethylamine such as lauric acid amidopropylamine oxide. Oxide-based surfactants and the like can be mentioned. Of these, alkyldimethylamine oxide-based surfactants are more preferable.
These (a2) components may be used alone or in combination of two or more.

≪Nonion surfactant≫
The detergent composition may contain a nonionic surfactant. Examples of the nonionic surfactant include linear type and branched type. Examples of the nonionic surfactant include polyoxyalkylene-added nonionic surfactants, alkyl glycosides, sorbitan fatty acid esters, etc. Among these, polyoxyalkylene-added nonionic surfactants are preferable, and branched polyoxyalkylene-added nonionic surfactants are preferable. Type nonionic surfactants are more preferred.
Examples of the branched polyoxyalkylene-added nonionic surfactant include a nonionic surfactant (component (a3)) represented by the following formula (a3). By containing the component (a3) in the detergent composition, the detergency against pigmented stains can be further improved, and the generation of amine odor when the detergent composition or its diluted solution is placed in a high temperature environment can be generated. It can be suppressed better.

[In the formula (a3), AO represents an oxyethylene group or an oxypropylene group. z represents the average number of repetitions of AO and is a number of 6 to 12. x and y are integers of 1 to 6, respectively, and 6 ≦ x + y ≦ 12. ]

In the formula (a3), AO represents an oxyethylene group or an oxypropylene group. The AO may consist of only one of the oxyethylene group and the oxypropylene group, or may contain both. The AO preferably contains an oxyethylene group, and is more preferably composed of only an oxyethylene group or a mixture of an oxyethylene group and an oxypropylene group and containing a larger amount of the oxyethylene group. It is preferable, and the one consisting of only an oxyethylene group is more preferable. When the AO contains an oxyethylene group, the detergency against pigmented stains can be further improved, and the generation of amine odor when the detergent composition or a diluted solution thereof is placed in a high temperature environment can be better suppressed.
When the oxyethylene group and the oxypropylene group are mixed in the AO, they may be mixed in a random manner or may be mixed in a block shape.
In the equation (a3), z is a number representing the average number of repetitions of AO. z is a number of 6 to 12, preferably a number of 8 to 11, and more preferably 10. When z is at least the above lower limit value, the detergency against pigmented stains can be further improved, and the generation of amine odor when the detergent composition or a diluted solution thereof is placed in a high temperature environment can be better suppressed. When z is not more than the above upper limit value, the detergency against pigmented stains can be further improved.
In addition, z in the equation (a3) indicates the "average" number of repetitions of AO. Therefore, the surfactant represented by the formula (a3) is an aggregate of molecules having different numbers of AO repetitions.

In the equation (a3), x and y are integers of 1 to 6, respectively, and 6 ≦ x + y ≦ 12. Above all, 6 ≦ x + y ≦ 10 is preferable because it is possible to further improve the detergency against pigmented stains and better suppress the generation of amine odor when the cleaning agent composition or its diluted solution is placed in a high temperature environment. , 6 ≦ x + y ≦ 8 is more preferable, and x + y = 8 is particularly preferable.
When x + y is equal to or higher than the above lower limit value, the soaking and cleaning power can be further improved. When x + y is not more than the above upper limit, the uniformity of the liquid of the detergent composition is maintained better, the detergent composition is easily dissolved in water, and the effect of the soaking detergency is more stable. can get.

Examples of C _x H _{2x + 1} and _Cy H _{2y + 1} include a linear or branched alkyl group, respectively, and a linear alkyl group is preferable. As the linear alkyl group, for example, a methyl group, an ethyl group, a propyl group, a butyl group, a pentyl group, and a hexyl group are preferable. Among them, the combination of C _x H _{2x + 1} and _Cy H _{2y + 1} includes a combination of an ethyl group and a butyl group and a combination of a propyl group and a pentyl group (all of the above combinations are either group). (Good) is preferable, and a combination of a propyl group and a pentyl group (one of which may be either group) is particularly preferable.

As the component (a3), an ethylene oxide adduct of an alcohol obtained by bimolecular condensation by a garbet reaction and having a branched structure at the β-position is particularly preferable.
Examples of commercially available products of the component (a3) include polyoxyethylene mono (2-propylheptyl) ether manufactured by BASF. Specifically, the trade name "Lutensol XP60" which is a compound of z = 6 in the formula (a3), the trade name "Lutensol XP80" which is a compound of z = 8 in the formula (a3), and z = in the formula (a3). Examples thereof include the trade name “Lutensol XP90” which is a compound of 9 and the trade name “Lutensol XP100” which is a compound of z = 10 in the formula (a3).
Further, examples of the component (a3) include polyoxyethylene mono (2-ethylhexyl) ether manufactured by Nippon Embroidery Co., Ltd. Specifically, the trade name “Newcol 1008”, which is a compound of z = 8 in the formula (a3), can be mentioned.
Further, as the component (a3), a polyoxyethylene polyoxypropylene mono (2-propylheptyl) ether manufactured by BASF may also be mentioned. Specifically, the trade name "Lutensol XL90" which is a compound of z = 9 in the formula (a3) (a mixture of an oxyethylene group and an oxypropylene group), and a compound of z = 10 in the formula (a3) (oxy). The trade name "Lutensol XL100" which is a mixture of an ethylene group and an oxypropylene group) can be mentioned.

Examples of other nonionic surfactants include linear polyoxyalkylene-added nonionic surfactants.
As the linear polyoxyalkylene addition type nonionic surfactant, a polyoxyalkylene alkyl ether is preferable, and a surfactant represented by the following formula (a4) (component (a4)) is more preferable.

R ⁴⁰ -O- (R ⁴¹ O) _s -H ... (a4)

^In the formula (a4), R40 is a linear hydrocarbon group having 10 to 18 carbon atoms. R ⁴¹ O is an oxyalkylene group. R ⁴¹ is a hydrocarbon group having 1 to 3 carbon atoms, preferably an ethylene group or a propylene group. s is a number representing the average number of repetitions of R ⁴¹ O. s is a number of 1 to 20, preferably a number of 5 to 20, and more preferably a number of 5 to 15. Among the components (a4), a polyoxyalkylene alkyl ether having R ⁴⁰ having 10 to 18 carbon atoms, R ⁴¹ having 2 or 3 carbon atoms, and s having 5 to 20 carbon atoms is preferable.

The content of the component (A) in the detergent composition (that is, the total amount of the surfactant) is preferably 4 to 45% by mass, more preferably 10 to 35% by mass, based on the total mass of the detergent composition. It is preferable, and 15 to 30% by mass is more preferable. When the content of the component (A) is at least the above lower limit value, the detergency can be further enhanced. (A) When the content of the component is not more than the above upper limit, the uniformity of the liquid of the detergent composition is maintained better, the detergent composition is easily dispersed in water, and the effect of the soaking detergency is effective. Can be obtained stably.

The content of the component (a1) in the detergent composition is preferably 5 to 18% by mass, more preferably 7 to 18% by mass, and further preferably 9 to 15% by mass with respect to the total mass of the cleaning agent composition. preferable. (A1) When the content of the component is at least the above lower limit value, the detergency against pigmented stains can be further improved, and the generation of amine odor when the detergent composition or its diluted solution is placed in a high temperature environment can be generated. It can be suppressed better. (A1) When the content of the component is not more than the above upper limit value, the uniformity of the liquid in the detergent composition can be kept good.

The content of the component (a2) in the detergent composition is preferably 3 to 18% by mass, more preferably 6 to 15% by mass, and further preferably 7 to 12% by mass with respect to the total mass of the cleaning agent composition. preferable. When the content of the component (a2) is at least the above lower limit value, the detergency against pigmented stains can be further improved. (A2) When the content of the component is not more than the above upper limit value, the generation of amine odor when the detergent composition or its diluted solution is placed in a high temperature environment can be better suppressed, and the liquid in the detergent composition. The uniformity of the can be kept better.

The content of the component (a3) in the detergent composition is preferably 1 to 15% by mass, more preferably 2 to 12% by mass, still more preferably 3 to 8% by mass, based on the total mass of the cleaning agent composition. .. (A3) When the content of the component is at least the above lower limit value, the detergency against pigmented stains can be further improved, and the generation of amine odor when the detergent composition or its diluted solution is placed in a high temperature environment can be generated. It can be suppressed better. When the content of the component (a3) is not more than the above upper limit value, the detergency against pigmented stains can be further improved.

When the component (A) contains the component (a1) and the component (a2), the mass ratio (a1 / a2 ratio) represented by the component (a1) / component (a2) is preferably 0.5 to 3. , 0.7 to 2.5 is more preferable, 0.7 to 2 is further preferable, and 1 to 1.6 is particularly preferable. When the a1 / a2 ratio is within the above range, the detergency against pigmented stains can be further improved, and the generation of amine odor when the detergent composition or a diluted solution thereof is placed in a high temperature environment can be better suppressed.
The "mass ratio represented by the component (a1) / component (a2)" means the mass ratio of the content of the component (a1) to the component (a2) contained in the cleaning agent composition.

When the component (A) contains the component (a1) and the component (a2), the total amount (a1a2 total) of the content of the component (a1) and the content of the component (a2) with respect to the total mass of the cleaning agent composition. The amount) is preferably 13 to 33% by mass, more preferably 14 to 30% by mass, still more preferably 16 to 27% by mass. When the total amount of a1a2 is at least the above lower limit value, the detergency against pigmented stains can be further improved. When the total amount of a1a2 is not more than the above upper limit value, the generation of amine odor when the detergent composition or its diluted solution is placed in a high temperature environment can be better suppressed.

When the component (A) contains the component (a1) and the component (a2), the mass ratio of the total amount of the component (a1) and the component (a2) to the total mass of the component (A) ((a1 + a2) / A). The ratio) is preferably 0.3 to 1, more preferably 0.5 to 0.9, and even more preferably 0.6 to 0.8. When the (a1 + a2) / A ratio is equal to or higher than the above lower limit, the detergency against pigmented stains can be further improved, and the generation of amine odor when the detergent composition or its diluted solution is placed in a high temperature environment is better. Can be suppressed. When the (a1 + a2) / A ratio is not more than the above upper limit value, the uniformity of the liquid is further enhanced, and the detergency in the soaking and washing can be further enhanced.

When the component (A) contains the component (a3), the content of the component (a3) with respect to the total mass of the cleaning agent composition is preferably 1 to 15% by mass, more preferably 2 to 12% by mass, and 3 to 3 to. 8% by mass is more preferable. When the content of (a3) is at least the above lower limit value, the generation of amine odor when the detergent composition or a diluted solution thereof is placed in a high temperature environment can be better suppressed. When the content of (a3) is not more than the above upper limit value, the detergency against pigmented stains can be further improved.

When the component (A) contains the component (a3), the mass ratio ((a3) / A ratio) of the component (a3) to the total mass of the component (A) is preferably 0.01 to 0.7, and is 0. .1 to 0.5 is more preferable, and 0.2 to 0.4 is even more preferable. When the (a3) / A ratio is at least the above lower limit value, the detergency against pigmented stains can be further improved, and the generation of amine odor when the detergent composition or its diluted solution is placed in a high temperature environment is further improved. It can be suppressed well. When the (a3) / A ratio is not more than the above upper limit value, the detergency against pigmented stains can be further improved.

<Ingredient (B)>
The component (B) is an amine compound (triamine) represented by the following formula (b). By containing the component (B), the detergent composition can enhance the cleaning power against pigmented stains.

[In equation (b), n is an integer of 1 to 6. R ¹ is a straight-chain or branched-chain alkyl group, or a straight-chain or branched-chain alkenyl group. R ² is a hydrogen atom or (CH ₂ ) _m NH ₂ . m is an integer from 1 to 6. ]

In the formula (b), n is an integer of 1 to 6, preferably 1 to 4, and particularly preferably 3. When n is within the above range, the detergency against pigmented stains can be further enhanced.

R ¹ is a straight-chain or branched-chain alkyl group, or a straight-chain or branched-chain alkenyl group.
R ¹ is preferably an alkyl group. The carbon number of R ¹ is preferably 8 to 18, more preferably 8 to 16, and even more preferably 10 to 14. When the number of carbon atoms is within the above range, the detergency against pigmented stains can be further enhanced.
Examples of R ¹ include a group derived from coconut (coconut oil), a group derived from beef tallow, a lauryl group, a myristyl group, a palmitic acid group, an oleyl group, and the like. The group is preferable, and the lauryl group is more preferable.

R ² is a hydrogen atom or (CH ₂ ) _m NH ₂ , and (CH ₂ ) _m NH ₂ is preferable. If R ² is (CH ₂ ) _m NH ₂ , the detergency against pigmented stains can be further improved.
m is an integer of 1 to 6, preferably an integer of 1 to 4, and more preferably 3.

Among the components (B), N, N-bis (3-aminopropyl) alkylamine having m = n = 3 in the formula (b) is particularly preferable. By using N, N-bis (3-aminopropyl) alkylamine as the component (B), the detergency against pigmented stains can be further improved.

The content of the component (B) in the cleaning agent composition is preferably 0.002 to 0.5% by mass, more preferably 0.008 to 0.1% by mass, based on the total mass of the cleaning agent composition. , 0.01-0.05% by mass is more preferable. When the content of the component (B) is at least the above lower limit value, the detergency against pigmented stains can be further improved. When the content of the component (B) is not more than the above upper limit value, it is possible to suppress the generation of an amine odor when the detergent composition or a diluted solution thereof is placed in a high temperature environment.

<Ingredient (C)>
The component (C) is a chelating agent. In the detergent composition, the component (C) and the component (B) are combined in a specific mass ratio to enhance the detergency against pigmented stains, and the detergent composition or a diluted solution thereof is placed in a high temperature environment. It is possible to suppress the generation of amine odor at the time.

Examples of the component (C) include ethylenediamine tetraacetic acid, nitrilotriacetic acid, β-alanine diacetic acid, ethylenediamine disuccinic acid, L-aspartic acid-N, N-diacetic acid, dihydroxyethylethylenediaminediacetic acid, and hydroxyethyliminoni. Acetic acid, citric acid, hydroxyethylethylenediamine triacetic acid, glycol etherdiamine tetraacetic acid, L-glutamate diacetic acid, 1,3-diamino-2-hydroxypropanetetraacetic acid, diethylenetriaminepentaacetic acid, triethylenetetraminehexacetic acid, dihydroxyethylglycine, Low molecular weight chelating agents such as 3-hydroxy-2,2'-iminodysuccinic acid, serine diacetic acid, asparagine diacetic acid, methylglycine diacetic acid, hydroxyethandiphosphonic acid, aminotrimethylenephosphonic acid, tripolyphosphoric acid, or salts thereof. Can be mentioned. As the salt constituting the low molecular weight chelating agent, an alkali metal salt is preferable, and a sodium salt and a potassium salt are more preferable.
Among the above low molecular weight chelating agents, ethylenediaminetetraacetic acid, nitrilotriacetic acid, β-alanine diacetic acid, ethylenediamine disuccinic acid, L-aspartic acid-N, N-diacetic acid, dihydroxyethylethylenediaminediacetic acid, hydroxyethylimino2 Acetic acid, citric acid, hydroxyethylethylenediaminetriacetic acid, glycol etherdiaminetetraacetic acid, L-glutamatediacetic acid, 1,3-diamino-2-hydroxypropanetetraacetic acid, diethylenetriaminepentaacetic acid, triethylenetetraminehexacetic acid, dihydroxyethylglycine, It is preferable to use one or more chelating agents selected from the group consisting of 3-hydroxy-2,2'-iminodysuccinic acid, serine diacetic acid, asparagine diacetic acid, methylglycine diacetic acid and salts thereof. With these components (C), the detergency against pigmented stains can be further improved, and the generation of amine odor when the detergent composition or a diluted solution thereof is placed in a high temperature environment can be suppressed.
Further, as the component (C), citric acid, L-glutamate diacetic acid, methylglycine diacetic acid, diethylenetriaminepentacetic acid, ethylenediaminetetraacetic acid or salts thereof are more preferable, and citric acid, ethylenediaminetetraacetic acid or salts thereof are further preferable. ..

The content of the component (C) in the cleaning agent composition is preferably 0.5% by mass or more, more preferably 0.5 to 6% by mass, as an acid type, based on the total mass of the cleaning agent composition. It is more preferably from 5% by mass, and particularly preferably 1.5 to 4% by mass. When the content of the component (C) is at least the above lower limit value, the detergency against pigmented stains can be further enhanced, and the generation of amine odor when the detergent composition or its diluted solution is placed in a high temperature environment can be suppressed. .. When the content of the component (C) is not more than the above upper limit value, the liquid stability of the detergent composition can be better maintained, and the detergency against pigmented stains can be further enhanced.

In the detergent composition, the mass ratio (C / B ratio) represented by the component (C) / component (B) is 14 to 600, preferably 30 to 300, and more preferably 40 to 150. When the C / B ratio is within the above range, the detergency against pigmented stains can be further improved, and the generation of amine odor when the detergent composition or its diluted solution is placed in a high temperature environment is better suppressed. can.
The "mass ratio represented by the component (C) / component (B)" means the mass ratio of the content of the component (C) to the component (B) contained in the detergent composition.

In the present invention, the mass ratio (C + a3) / B ratio represented by ((C) component + (a3) component) / (B) component is preferably 15 to 3000, more preferably 50 to 800, and 100 to 100. 500 is more preferable, and 200 to 300 is particularly preferable. When the (C + a3) / B ratio is within the above range, the detergency against pigmented stains can be further improved, and the generation of amine odor when the detergent composition or its diluted solution is placed in a high temperature environment is better. Can be suppressed.
The "mass ratio represented by ((C) component + (a3) component) / (B) component" is the ratio of the (C) component and the (a3) component to the (B) component contained in the detergent composition. It means the mass ratio of the total content.

<Arbitrary ingredient>
The detergent composition of the present invention may contain any component other than the components (A) to (C).
Examples of the optional component include a dispersion medium such as water, a pH adjuster such as potassium hydroxide and sulfuric acid, an inorganic builder such as magnesium sulfate, a pigment, a fragrance, an enzyme, a hydrotropic agent, a preservative, and a disinfectant.

The content of water in the detergent composition is preferably 40 to 95% by mass, more preferably 50 to 90% by mass, still more preferably 60 to 85% by mass, based on the total mass of the cleaning agent composition.

Examples of the hydrotropic agent include monohydric alcohols having 2 to 4 carbon atoms, glyceryl ethers having 4 to 10 carbon atoms, 3-methyl-3-methoxy-1-butanol, toluene sulfonic acid, toluene sulfonate, cumene sulfonic acid, and the like. One or more selected from cumene sulfonate, benzoic acid, and benzoate is used.
Examples of monohydric alcohols having 2 to 4 carbon atoms include ethanol, n-propanol, isopropanol, normal butanol, secondary butanol, and tarshalbutanol.
Examples of the glyceryl ether having 4 to 10 carbon atoms include glycerin and hexyl glyceryl ether.
Among these, ethanol, paratoluenesulfonate, and 3 are used as hydrotropic agents because the components (A) to (C) in the cleaning agent composition can be better dissolved in water and easy to handle. -Methyl-3-methoxy-1-butanol is preferred.
The content of the hydrotropic agent is preferably 0.5 to 30% by mass, more preferably 2.0 to 20% by mass, based on the total mass of the cleaning agent composition.
The hydrotrope may be used alone or in combination of two or more.

Examples of the preservative include isothiazolin-based preservatives such as benzisothiazolinone, methylisothiazolinone, butylbenzisothiazolinone, chloromethylisothiazolinone, octylisothiazolinone, and dichlorooctylisothiazolinone. 1,2-benzisothiazolin-3-one, 2-methyl-4-isothiazolin-3-one, or a combination thereof is preferable.
These preservatives may be used alone or in combination of two or more.
Examples of the disinfectant include zinc sulfate, zinc chloride, zinc oxide and the like.

(Production method)
The detergent composition of the present invention can be produced according to a conventionally known method for producing a liquid detergent. For example, there is a method of sequentially adding the components (A) to (C) and, if necessary, an arbitrary component to the water while stirring the water as a dispersion medium to disperse the water.

(how to use)
The method of using the cleaning agent composition of the present invention (that is, the method of cleaning dishes) is a cleaning method (soaking cleaning), which comprises a step of immersing the object to be cleaned in a dipping solution which is an aqueous solution containing the cleaning agent composition. A cleaning method (washing by placing) that has a step of applying the cleaning agent composition or a diluted solution thereof to the object to be cleaned and leaving it to stand, and scrubbing dishes and the like with a cleaning tool such as a sponge to which the cleaning agent composition is attached. Examples thereof include a washing method having a step (rubbing washing), and among them, soaking washing and hanging washing are preferable. By using the cleaning agent composition of the present invention for soaking washing or hanging washing, simple and good detergency can be obtained.

The soaking and washing has a step (immersion step) of immersing the object to be washed in a dipping solution which is an aqueous solution containing a detergent composition. By having a soaking step, the soaking and washing can reduce the trouble of rubbing the object to be washed with the washing tool and can easily wash the dishes.
As one aspect of soaking and washing, there is a method of preparing an immersion liquid in advance, storing the immersion liquid in a container (for example, a washbasin, a sink, etc.), and immersing the object to be cleaned in the immersion liquid.
As another embodiment of the soaking and washing, a method of immersing the object to be cleaned in the immersion liquid while preparing the immersion liquid by putting the object to be cleaned to which the cleaning agent composition is applied into a container and putting water in the container. Can be mentioned.

The content of the cleaning agent composition in the dipping solution is preferably 0.1 to 30% by mass, more preferably 1 to 25% by mass, still more preferably 2 to 10% by mass. When the content of the cleaning agent composition is at least the above lower limit value, the cleaning power against pigmented stains can be further improved. When the content of the detergent composition is not more than the above upper limit value, the foam breaking effect can be further enhanced and the amine odor can be further reduced.

The content of the component (A) in the dipping solution is preferably 250 to 85,000 mass ppm, more preferably 250 to 70,000 mass ppm, and even more preferably 5000 to 30,000 mass ppm. When the content of the component (A) is at least the above lower limit value, the detergency can be further enhanced. When the content of the component (A) is not more than the above upper limit value, the foam breaking effect can be further enhanced and the amine odor can be further reduced. In addition, when the content of the component (A) is not more than the above upper limit value, the uniformity of the liquid of the cleaning agent composition is maintained better, the cleaning agent composition is easily dissolved in water, and the cleaning agent composition is soaked. The effect of detergency can be obtained more stably.

When the component (A) contains the component (a1) and the component (a2), the total amount (a1a2 amount) of the content of the component (a1) and the content of the component (a2) with respect to the total mass of the immersion liquid is , 200 to 65,000 mass ppm is preferable, 2100 to 52500 mass ppm is more preferable, and 4200 to 21000 mass ppm is further preferable. When the amount of a1a2 is at least the above lower limit value, the detergency against pigmented stains can be further improved. When the amount of a1a2 is not more than the above upper limit value, the generation of amine odor when the detergent composition or a diluted solution thereof is placed in a high temperature environment can be better suppressed.

When the component (A) contains the component (a3), the content (a3 amount) of the component (a3) with respect to the total mass of the immersion liquid is preferably 60 to 18,000 mass ppm, more preferably 600 to 15,000 mass ppm. It is more preferably 1200 to 6000 mass ppm. When the amount of a3 is at least the above lower limit value, the generation of amine odor when the detergent composition or a diluted solution thereof is placed in a high temperature environment can be better suppressed. When the amount of a3 is not more than the above upper limit value, the detergency against pigmented stains can be further improved.

The content (B amount) of the component (B) in the dipping solution is preferably 0.1 to 200 mass ppm, more preferably 3 to 75 mass ppm, still more preferably 6 to 30 mass ppm. When the amount of B is not less than the above lower limit value, the detergency against pigmented stains can be further enhanced. When the amount of B is not more than the above upper limit value, the generation of amine odor when the detergent composition or a diluted solution thereof is placed in a high temperature environment can be better suppressed.

The content (C amount) of the component (C) in the dipping solution is preferably 10 to 4500 mass ppm, more preferably 100 to 3750 mass ppm, still more preferably 300 to 1600 mass ppm. When the amount of C is at least the above lower limit value, the detergency against pigmented stains can be further enhanced, and the generation of amine odor when the detergent composition or a diluted solution thereof is placed in a high temperature environment can be better suppressed. When the amount of C is not more than the above upper limit value, the detergency against pigmented stains can be further enhanced.

The temperature of the dipping solution is not particularly limited, but is preferably 10 to 50 ° C, more preferably 20 to 40 ° C.

The time for immersing the object to be cleaned in the dipping solution (immersion time) is preferably 0.1 to 24 hours, more preferably 0.5 to 12 hours. When the immersion time is at least the above lower limit value, the detergency against pigmented stains can be further enhanced. When the soaking time is not more than the above upper limit value, it is possible to prevent the time required for washing the dishes from becoming excessively long.

In the soaking and washing, a rinsing step may be provided after the soaking step. The rinsing process is a process of rinsing the object to be cleaned taken out from the immersion liquid with purified water. By going through the rinsing step, the components of the cleaning agent composition are removed from the surface of the object to be cleaned.
Further, in the soaking and washing, a pre-washing step may be provided before the soaking step. The pre-washing step is a step of applying purified water to the untreated object to be cleaned or immersing the untreated object in purified water to remove a part of the dirt adhering to the object to be cleaned. By having the pre-washing step, the detergency in the dipping step can be further enhanced.

The hanging cleaning includes a step of applying a cleaning agent composition or a diluted solution thereof to an object to be cleaned and leaving it to stand (a hanging step). By having the hanging step, the hanging washing can reduce the trouble of rubbing the object to be washed with the washing tool and can easily wash the dishes.

As a method of applying the cleaning agent composition or a diluted solution thereof (generally referred to as "coating liquid") to the object to be cleaned in the pouring step, methods such as spraying by spraying or discharging from a squeeze bottle can be mentioned. Be done.

The content of the cleaning agent composition in the coating liquid is preferably 0.1% by mass or more, more preferably 1% by mass or more, and may be 100% by mass. When the content of the cleaning agent composition is at least the above lower limit value, the amount of the cleaning agent composition staying in the object to be cleaned increases, and the cleaning power against pigmented stains can be further enhanced.

The amount of the coating liquid applied in the coating step is, for example, preferably 25 to 7500 g / m ² , more preferably 50 to 750 g / m ² , and even more preferably 100 to 500 g / m ² with respect to the surface area of the object to be cleaned.

The environmental temperature in the hanging step is, for example, preferably 10 to 50 ° C, more preferably 15 to 45 ° C, still more preferably 20 to 40 ° C. When the environmental temperature is equal to or higher than the above lower limit, the detergency against pigmented stains can be further enhanced. When the environmental temperature is not more than the above upper limit value, it is possible to suppress the coating liquid from drying in a short time and further enhance the detergency against pigmented stains.
The leaving time in the hanging step is, for example, preferably 0.1 to 24 hours, more preferably 0.3 to 12 hours, and even more preferably 0.5 to 6 hours. When the leaving time is not less than the above lower limit value, the detergency against pigmented stains can be further enhanced. If the leaving time is not more than the above upper limit, it is possible to prevent the time required for washing the dishes from becoming excessively long.

In the hanging cleaning, a rinsing step may be provided after the hanging step. The rinsing process is a process of rinsing the object to be cleaned, which has been sprayed with the coating liquid, with purified water. By going through the rinsing step, the components of the cleaning agent composition are removed from the surface of the object to be cleaned.
Further, in the hanging washing, a pre-washing step may be provided before the hanging step. The pre-washing step is a step of applying purified water to the untreated object to be cleaned or immersing the untreated object in purified water to remove a part of the dirt adhering to the object to be cleaned. By having a pre-washing process, the detergency in the hanging process can be further enhanced.

According to the cleaning agent composition of the present invention, since it has the component (A), it exhibits detergency. Since the detergent composition of the present invention contains the component (B) and the component (C) in a specific mass ratio, it is possible to enhance the detergency against pigmented stains and suppress the amine odor.

Hereinafter, the present invention will be described in detail with reference to examples, but the present invention is not limited to the following description.

(Ingredients used)
<Ingredient (A)>
≪ (a1) component: anionic surfactant≫
-A1-1: Polyoxyethylene alkyl ether sodium sulfate (AES), in formula (a11), R ³ = linear alkyl group having 12 to 14 carbon atoms, x = 0, y = 1, M = sodium ion. Prepared by the following method.

[Preparation Example 1] Preparation method of a1-1 400 g of CO1270 alcohol (C12 / C14 = 75% / 25%, mass ratio) manufactured by P & G as a raw material alcohol in a 4L autoclave and potassium hydroxide as a reaction catalyst. 0.8 g of the catalyst was charged, the inside of the autoclave was replaced with nitrogen, and then the temperature was raised while stirring. Subsequently, while maintaining the temperature at 180 ° C. and the pressure at 0.3 MPa or less, 91 g of ethylene oxide was introduced and reacted. The average number of moles of ethylene oxide added to the obtained polyoxyalkylene ether was 1. Next, 237 g of the alcohol ethoxylate thus obtained was taken in a 500 mL flask equipped with a stirrer, and after nitrogen substitution, 96 g of liquid anhydrous sulfuric acid (sulfuric acid) was slowly added dropwise while maintaining the reaction temperature at 40 ° C. After completion of the dropping, stirring was continued for 1 hour (sulfation reaction) to obtain polyoxyethylene alkyl ether sulfuric acid. Then, this was neutralized with an aqueous sodium hydroxide solution to obtain a1-1.

-A1-2: Sodium α-olefin sulfonate (AOS) having 14 carbon atoms, manufactured by Lion Specialty Chemicals Co., Ltd., trade name "Liporan LB440".
-A1-3: Secondary sodium alkanesulfonate (SAS) having 14 to 17 carbon atoms, manufactured by Clariant Japan, trade name "HOSTAPUR SAS30A".
-A1-4: Alkylbenzene sulfonic acid (LAS) having 10 to 14 carbon atoms, manufactured by TAYCA, trade name "TAYCA Power L121".

<Component (a2): amphoteric surfactant or amine oxide type surfactant>
-A2-1: n-dodecyldimethylamine oxide (AX), in formula ⁽ a20), R6 = n ^- dodecyl group, ^R7 = methyl group, R8 = methyl group, r = 0, Lion Specialty Chemicals. Made by the company, the product name is "Cadenax DM12D-W".
-A2-2: Cocamidopropyl Betaine (CAPB), manufactured by Toho Chemical Industry Co., Ltd., trade name "Obazoline CAB-30".

<Component (a3): Branched polyoxyalkylene-added nonionic surfactant>
-A3-1: Polyoxyethylene mono (2-propylheptyl) ether (EO10), manufactured by BASF, trade name "Lutensol XP100". The compound of z = 10, x = 3, y = 5 in the formula (a3).

<Component (B): Triamine>
B-1: N- (3-aminopropyl) -N-dodecylpropane-1,3-diamine, in formula (b), R ¹ = lauryl group, R ² = (CH ₂ ) _m NH ₂ , m = n = 3, manufactured by Lonza Japan, trade name "Lonzabac 12.100".
B-2: N-coconut alkyl-1,3-diaminopropane, in formula (b), R ¹ = alkyl group derived from coconut oil (12,14 carbon atoms), R ² = H, n = 3, Lion. Product name "Lipomin DA-CD" manufactured by Specialty Chemicals.

<(B') component: triamine> Comparative product of (B) component-B'-1: octyldimethylamine, manufactured by Tokyo Chemical Industry Co., Ltd., reagent.

<(C) component: chelating agent>
-C-1: Citric acid, manufactured by Fuso Chemical Industry Co., Ltd., trade name "Purified citric acid (anhydrous)".
-C-2: EDTA (ethylenediaminetetraacetic acid), manufactured by Tokyo Chemical Industry Co., Ltd., reagent.

<Arbitrary ingredient>
-Ethanol (EtOH): Made by Japan Alcohol Corporation, trade name "Ethyl alcohol fermentation traceable 95 first grade".
-P-Toluenesulfonic acid (pTSH): manufactured by Meitomo Sangyo Co., Ltd.
-PH regulator: sodium hydroxide, manufactured by Kanto Chemical Co., Inc.
-Fragrance composition A: The compositions shown in Tables 1 to 6.
-Fragrance composition B: The compositions shown in Tables 1 to 6.
・ Water: Tap water

(Evaluation method)
<Cleaning of brown astringent stains (evaluation of cleaning power against pigmented stains)>
≪Pickled washing≫
After drinking the black tea, the cup (inner diameter 70 mm, height 70 mm) was left overnight under the conditions of a temperature of 25 ° C. and a relative humidity of 50% RH to prepare a black tea-stained object to be washed.
Add the cleaning agent composition of each example and water so as to have the concentration described in "Cleaning agent composition in immersion liquid or coating liquid (% by mass)" in the table, leave it at 25 ° C. for 30 minutes, and then run water. It was rinsed to make it a washed product until it did not foam. The washed product was visually confirmed and evaluated according to the following evaluation criteria.
When the washed product had residual tea astringency, it was visually evaluated after rubbing it once with a sponge. Three cups were evaluated, and the case where the average score was 3 points or more was regarded as a pass.

[Evaluation criteria]
6 points: The brown astringent stain was completely removed.
5 points: Some brown astringent stains were observed, but it was a level that did not need to be washed again.
4 points: Tea astringency stains remained, but the tea astringency was removed by rinsing while rubbing with a finger.
3 points: Tea astringency stains remained and needed to be rewashed, but the tea astringency was removed by scrubbing with a sponge once.
2 points: Tea astringency stains remained and needed to be rewashed, and tea astringency remained even after scrubbing with a sponge once.
1 point: Tea astringent stains were hardly removed, and many stains remained even after scrubbing with a single sponge.

≪Placing and cleaning≫
After drinking the black tea, the cup (inner diameter 70 mm, height 70 mm) was left overnight under the conditions of a temperature of 25 ° C. and a relative humidity of 50% RH to prepare a black tea-stained object to be washed.
The detergent composition of each example was sprayed, left at 25 ° C. for 30 minutes, and then rinsed with running water until it did not foam to obtain a washed product. The amount of the cleaning composition to be sprayed onto the object to be cleaned was set to 300 g / m ² . The washed product was visually confirmed and evaluated according to the following evaluation criteria.
Three cups were evaluated, and the case where the average score was 3 points or more was regarded as a pass.

[Evaluation criteria]
6 points: The brown astringent stain was completely removed.
5 points: Some brown astringent stains were observed, but it was a level that did not need to be washed again.
4 points: Tea astringency stains remained, but the tea astringency was removed by rinsing while rubbing with a finger.
3 points: Tea astringency stains remained and needed to be rewashed, but the tea astringency was removed by scrubbing with a sponge once.
2 points: Tea astringency stains remained and needed to be rewashed, and tea astringency remained even after scrubbing with a sponge once.
1 point: Tea astringent stains were hardly removed, and many stains remained even after scrubbing with a single sponge.

<Suppression of amine odor>
≪After high temperature storage≫
50 g of the detergent composition of each example was placed in an SV50 bottle, and this was stored in a high temperature bath at 50 ° C. One month after the start of storage, the appointed evaluator confirmed the odor, evaluated it according to the following evaluation criteria, and passed 3 points or more.

[Evaluation criteria]
6 points: No amine odor is felt.
5 points: Almost no amine odor is felt.
4 points: I feel a slight amine odor.
3 points: I feel a slight amine odor.
2 points: I feel a strong amine odor.
1 point: I feel a very strong amine odor.

≪Washing≫
Similar to the evaluation of the tea astringent detergency described above, the cleaning agent composition and water were added to the object to be cleaned, or the cleaning agent composition was sprayed. Then, after leaving it in a constant temperature bath at 45 ° C. for 2 weeks, the odor of the object to be washed was confirmed by the appointed evaluation person, evaluated according to the following evaluation criteria, and 3 points or more were passed.

[Evaluation criteria]
6 points: No amine odor is felt.
5 points: Almost no amine odor is felt.
4 points: I feel a slight amine odor.
3 points: I feel a slight amine odor.
2 points: I feel a strong amine odor.
1 point: I feel a very strong amine odor.

(Examples 1 to 41, comparative examples 1 to 4)
According to the compounding composition shown in Tables 7 to 11, the detergent composition of each example was prepared by the production method shown below. The unit of the blending amount in the table is "mass%", and each component indicates a pure content equivalent amount. In the detergent composition of each example, water was blended in a balanced manner so that the total of each component shown in the table was 100% by mass.

First, the component (a1), the component (a2), the component (B), and ethanol were placed in a 200 mL beaker and stirred with a magnetic stirrer. Then, water was added and stirred so that the total amount became 50% by mass. Then, an appropriate amount of component (a3), component (C), p-toluenesulfonic acid and sodium hydroxide as a pH adjuster were added, and then a fragrance was added and mixed. Then, the remaining water was added so that the total amount became 100% by mass, and the detergent compositions of each example were prepared respectively. The "balance" indicating the blending amount of water is added so that the total blending amount (mass%) of all the blended components contained in the detergent composition or the coating liquid for spray cleaning is 100% by mass. Means the rest.
The pH was measured by adjusting the cleaning agent or the soaking solution to 25 ° C. and using a glass electrode type pH meter (manufactured by Toa DKK, product name HM-30G). The measuring method was carried out in accordance with JIS Z8802: 2011.

As shown in Tables 7 to 11, in Examples 1 to 41, the tea astringent detergency (average score) was 3 to 6 points, and the suppression of amine odor was 3 to 6 points.
Comparative Examples 1 to 3 in which the C / B ratio is outside the range of the present invention, and Comparative Example 4 in which the component (B') is used instead of the component (B) have a tea astringent detergency (average value) of 1.7 to 3. 2.7 points and suppression of amine odor were 1 to 4 points.
From the above results, it was confirmed that by applying the present invention, even with a simple cleaning method, the cleaning power against pigmented stains is excellent and the generation of a peculiar odor can be suppressed.

Claims (7)

A component: a surfactant, a component (B): an amine compound represented by the following formula (b), and a component (C): a chelating agent.
A tableware hand-washing detergent composition having a mass ratio represented by the component (C) / component (B) of 14 to 600.

[In equation (b), n is an integer of 1 to 6. R ¹ is a straight-chain or branched-chain alkyl group, or a straight-chain or branched-chain alkenyl group. R ² is a hydrogen atom or (CH ₂ ) _m NH ₂ . m is an integer from 1 to 6. ] The component (A) contains one or more selected from the component (a1): an anionic surfactant and the component (a2): an amphoteric surfactant and an amine oxide type surfactant.
The tableware hand-washing detergent composition according to claim 1, wherein the mass ratio represented by the component (a1) / the component (a2) is 0.5 to 3. The tableware hand-washing detergent composition according to claim 1 or 2, wherein the component (A) further contains a component (a3): a surfactant represented by the following formula (a3).

[In the formula (a3), AO represents an oxyethylene group or an oxypropylene group. z represents the average number of repetitions of AO and is a number of 6 to 12. x and y are integers of 1 to 6, respectively, and 6 ≦ x + y ≦ 12. ] The tableware hand-washing detergent composition according to claim 3, wherein the mass ratio represented by (the component (C) + the component (a3)) / the component (B) is 15 to 3000. A step of immersing an object to be washed in a dipping solution containing the hand-washing detergent composition for tableware according to any one of claims 1 to 4.
A method for washing dishes, wherein the dipping solution is an aqueous solution containing 0.1 to 30% by mass of the hand-washing detergent composition for tableware with respect to the total mass of the dipping solution. The method for washing dishes according to claim 5, wherein the hand-washing detergent composition for tableware is applied to the object to be washed, and then water is added to obtain the dipping solution. A method for cleaning tableware, which comprises a step of applying the hand-washing detergent composition for tableware according to any one of claims 1 to 4 or a diluted solution thereof to an object to be cleaned and leaving it to stand.