JP2017218502A - Detergent composition for dish washing - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a detergent composition for dish washing capable of achieving detergency and drainability.SOLUTION: A detergent composition for dish washing contains (A) component: an anionic surface active agent, (B) component: a nonionic surface active agent represented by formula (1) and (C) component: one or both of an amine oxide type surface active agent and a betaine type surface active agent, where the (A) component contains a sulfonic acid type anionic surface active agent (A1), and a mass ratio represented by (A) component/total amount of surface active agent is 0.02-0.45. In formula (1), AO represents an oxyethylene group; m represents an average repetition number of AO and is 6 to 12; and x and y are integers of 1 to 6 and satisfy a relationship of 6≤x+y≤12.SELECTED DRAWING: None

Description

  The present invention relates to a dishwashing detergent composition.

In recent years, “quickness” has been emphasized in dishwashing behaviors due to changes in consumer lifestyles. Important factors that lead to “easyness” include “detergency” that removes oil stains as well as “water drainability” after dishwashing, and it is desirable that both be compatible.
Patent Document 1 and Patent Document 2 disclose a detergent composition that is superior in detergency and drainage by utilizing a polymer compound having a cationic property.

JP 2003-155499 A JP 2005-264209 A

Although the cationic polymer compound described in Patent Documents 1 and 2 contributes to excellent water drainage, it cannot be said that the solubility is sufficient. A technique that can improve drainage is desired.
An object of the present invention is to provide a dishwashing detergent composition that can achieve both detergency and drainage without using such a cationic polymer compound.

The present invention has the following aspects.
[1] Component (A): Anionic surfactant, Component (B): Nonionic surfactant represented by the following formula (1), and Component (C): Amine oxide type surfactant and betaine type surfactant The component (A) contains the sulfonic acid type anionic surfactant (A1), and the mass ratio represented by component (A) / total amount of surfactant is 0.02 to 0.001. 45. A dishwashing detergent composition.

[Wherein, AO represents an oxyethylene group. m represents the average number of repetitions of AO and is 6-12. x and y are each an integer of 1 to 6, and 6 ≦ x + y ≦ 12. ]
[2] The dishwashing detergent composition according to [1], wherein the mass ratio represented by (B) component / (C) component is 0.3 to 5.0.
[3] Component (D): The dishwashing detergent composition according to [1] or [2], further comprising a nonionic surfactant other than the component (B).
[4] The dishwashing detergent composition according to any one of [1] to [3], wherein both the amine oxide type surfactant and the betaine type surfactant are used as the component (C).

[5] The dishwashing detergent composition according to [1], wherein the total amount of the surfactant is 4 to 40% by mass with respect to the detergent composition.
[6] The dishwashing detergent composition according to [1], wherein the content of the component (A) is 0.2 to 20% by mass with respect to the cleaning composition.
[7] The dishwashing detergent composition according to [1], wherein the content of the component (A1) is 40% by mass or more with respect to the component (A).
[8] The dishwashing detergent composition according to [1], wherein the content of the component (B) is 1 to 6% by mass with respect to the detergent composition.
[9] The dishwashing detergent composition according to [1], wherein the content of the component (C) is 0.5 to 12% by mass with respect to the detergent composition.
[10] The dishwashing detergent composition according to [1], wherein the mass ratio of betaine amphoteric surfactant / amine oxide surfactant is 0.15 to 7.
[11] The dishwashing detergent composition according to [3], wherein the content of the component (D) is 30% by mass or less with respect to the detergent composition.

  The dishwashing detergent composition of the present invention is excellent in both detergency and drainage.

The dishwashing detergent composition of the present invention (hereinafter also simply referred to as “cleaning composition”) is a composition containing the components (A) to (C).
<(A) component>
The component (A) is an anionic surfactant. The component (A) contains a sulfonic acid type anionic surfactant (A1). further

[(A1) component]
As the component (A1), a sulfonic acid type anionic surfactant generally used for a cleaning agent can be used.
The component (A1) preferably has a linear or branched alkyl group or alkenyl group. The component (A1) is preferably a salt.
As the component (A1), for example, (a1) alkylbenzene sulfonate, (a2) alkane sulfonate, (a3) α-olefin sulfonate, (a4) α-sulfo fatty acid alkyl represented by the following formula (I) Examples thereof include ester salts and (a5) sulfosuccinate.
In the following formula (I), R ¹⁰ is a hydrocarbon group having 8 to 18 carbon atoms, R ²⁰ is a hydrocarbon group having 1 to 6 carbon atoms, and M is a counter ion.

10-21 are preferable, as for carbon number of the alkyl group of (a1), 10-18 are more preferable, and 10-16 are more preferable. In particular, a linear alkylbenzene sulfonate having 10 to 15 carbon atoms in the alkyl group is preferable.
10-21 are preferable, as for carbon number of (a2), 10-18 are more preferable, and 10-16 are more preferable. Particularly preferred are secondary alkane sulfonates having 13 to 18 carbon atoms.
10-21 are preferable, as for carbon number of (a3), 10-18 are more preferable, and 10-16 are more preferable. In particular, an α-olefin sulfonate having 12 to 16 carbon atoms is preferable.
In (a4), R ¹⁰ in the above formula (I) is preferably an alkyl group having 10 to 21 carbon atoms, more preferably an alkyl group having 10 to 18 carbon atoms, and further preferably an alkyl group having 10 to 16 carbon atoms.

(A1) The salt constituting the component includes alkali metal salts such as sodium salt and potassium salt; alkaline earth metal salts such as magnesium salt and calcium salt; monoethanolamine salt (monoethanolammonium), diethanolamine salt (diethanolammonium salt) ), Alkanolamine salts such as triethanolamine salt (triethanolammonium); ammonium salts and the like.
(A1) A component may be used individually by 1 type and may use 2 or more types together.
The component (A1) is preferably one or more selected from the group consisting of the above (a1), (a2), and (a3) from the viewpoint of achieving both cleanability and water drainage, and the above (a1) and (a3) One or more selected from the group consisting of

[Anionic surfactant other than component (A1)]
The component (A) may contain an anionic surfactant other than the component (A1). Examples thereof include sulfate ester type anionic surfactants, carboxylate type anionic surfactants, and phosphate ester type anionic surfactant types.
Examples of sulfate ester type anionic surfactants include alkyl sulfate ester salts, alkenyl sulfate ester salts, polyoxyalkylene alkyl ether sulfate salts, and polyoxyalkylene alkenyl ether sulfate salts.
Examples of carboxylate type anionic surfactants include alkyl ether carboxylates, amide ether carboxylates, amino acid anionic surfactants, and the like.
The anionic surfactant other than the component (A1) is preferably one having an alkyl group having 8 to 18 carbon atoms or one having an alkenyl group having 8 to 18 carbon atoms. The alkyl group or the alkenyl group may be linear or branched.
(A1) Salts constituting the anionic surfactant other than the component include alkali metal salts such as sodium salt and potassium salt; alkaline earth metal salts such as magnesium salt and calcium salt; monoethanolamine salt (monoethanolammonium) , Alkanolamine salts such as diethanolamine salt (diethanolammonium) and triethanolamine salt (triethanolammonium); ammonium salts and the like.
Anionic surfactants other than the component (A1) may be used alone or in combination of two or more.

[Blending amount]
In this specification, the total amount of surfactants blended as components (A) to (D) and optional components is referred to as the total amount of surfactant.
The (A) component / surfactant total amount representing the mass ratio of the content of the (A) component to the total surfactant amount is 0.02 to 0.45, preferably 0.02 to 0.30, 0.05 -0.3 is more preferable. When the mass ratio of the component (A) / the total amount of the surfactant is within the above range, both the detergency and drainage are excellent.
The total amount of the surfactant in the cleaning composition is preferably 4 to 40% by mass, more preferably 6 to 35% by mass, and particularly preferably 8 to 26% by mass. When the total amount of the surfactant is not less than the above lower limit value, the viscosity of the cleaning composition can be easily increased. It is easy to adjust the compounding quantity of components other than surfactant suitably that surfactant total amount is below the said upper limit.
The content of the component (A) is preferably 0.2 to 20% by mass, more preferably 0.3 to 9% by mass, still more preferably 0.5 to 5% by mass with respect to the cleaning composition. -3.0 mass% is especially preferable. It is excellent in both detergency and water drainage within the above range.
40-100 mass% is preferable with respect to (A) component, 40-100 mass% is preferable, 50-100 mass% is more preferable, 70-100 mass% is further more preferable, 90-100 mass% is especially preferable. It is excellent in the detergency and the drainage property in the said range.

<(B) component>
Component (B) is a nonionic surfactant represented by the following formula (1). In formula (1), AO represents an oxyethylene group. x and y are each an integer of 1 to 6 and 6 ≦ x + y ≦ 12. m represents the average number of repetitions of AO and is 6-12. The compound represented by the formula (1) is an assembly of molecules having different AO repeat numbers.

In Formula (1), when m is 6 or more, it is excellent in detergency, and when it is 12 or less, it is excellent in drainage. m is preferably from 6 to 10, and particularly preferably from 9 to 10.
In the formula (1), x and y are each an integer of 1 to 6 and preferably 6 ≦ x + y ≦ 10, more preferably 6 ≦ x + y ≦ 8, in terms of excellent detergency and drainage. x + y = 8 is particularly preferred.
_Examples of C _x H _{2x + 1} and C _y H _{2y + 1 in} formula (1) include a linear or branched alkyl group, and a linear alkyl group is preferable. For example, a methyl group, an ethyl group, a propyl group, a butyl group, a pentyl group, and a hexyl group are preferable. In particular, the combination of C _x H _{2x + 1} and C _y H _{2y + 1} is preferably a combination of an ethyl group and a butyl group or a combination of a propyl group and a pentyl group, and a combination of a propyl group and a pentyl group is particularly preferable ( In any combination, either group may be one).

As the component (B), an ethylene oxide adduct of an alcohol having a branched structure at the β-position obtained by bimolecular condensation by a gerbet reaction is particularly preferable.
Specific examples include polyoxyethylene mono (2-propylheptyl) ether manufactured by BASF. Specifically, Lutensol XP60 (trade name, compound of m = 6 in formula (1)), Lutensol XP90 (trade name, compound of m = 9 in formula (1)), Lutensol XP100 (trade name, formula (1) In which m = 10).
[Blending amount]
The content of the component (B) is preferably 1 to 6% by mass and more preferably 2 to 5.5% by mass with respect to the cleaning composition. It is excellent in both detergency and water drainage within the above range.

<(C) component>
The component (C) is one or both of an amine oxide type surfactant and a betaine type surfactant. The amine oxide type surfactant is a semipolar surfactant, and the betaine type surfactant is an amphoteric surfactant.
In this specification, the “semipolar surfactant” is a surfactant having a semipolar bond (a bond having a property intermediate between a nonpolar bond and a polar bond), and the semipolar surfactant is dissolved. Depending on the pH of the solution to be dispersed or the dispersion system to be dispersed, the solution becomes cationic, anionic, or bipolar.

[Amine oxide type surfactant]
Examples of the amine oxide type surfactant include alkylamine oxide and alkylamidopropyldimethylamine oxide.
Among these, a compound represented by the following formula (2) is preferable.

[Wherein, R ¹ is a linear or branched alkyl group or alkenyl group having 8 to 18 carbon atoms; R ² and R ³ are each independently an alkyl group having 1 to 3 carbon atoms or A hydroxyalkyl group; R ⁴ 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; ]
In Formula (2), R ¹ is a linear or branched alkyl group having 8 to 18 carbon atoms, or a linear or branched alkenyl group having 8 to 18 carbon atoms, and has 8 carbon atoms. -18 linear or branched alkyl groups are preferred.
In the alkyl group and alkenyl group of R ^1, the number of carbon atoms is 8 to 18, and the detergency against oil stains is further improved, so that it is preferably 10 to 14.
R ² and R ³ are each independently an alkyl group having 1 to 3 carbon atoms or a hydroxyalkyl group having 1 to 3 carbon atoms, preferably an alkyl group having 1 to 3 carbon atoms, and more preferably a methyl group. . More preferably, R ² and R ³ are both methyl groups.
R ⁴ 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, and 0 is preferable.

Specific examples of the amine oxide type surfactant include lauryl dimethylamine oxide, coconut alkyl dimethylamine oxide, lauryl diethylamine oxide, lauric acid amidopropyl dimethylamine oxide, and the like. Of these, lauryldimethylamine oxide is preferred because of its particularly good detergency. Examples of commercially available products include “Aromox DM12D-W” manufactured by Lion Akzo Corporation.
One type of amine oxide type surfactant may be used, or two or more types may be used in combination.

[Betaine surfactant]
Examples of the betaine-type surfactant include aminoacetic acid betaines (such as alkylbetaines and alkylamidobetaines) and sulfobetaines (such as alkylhydroxysulfobetaines).
Specific examples of betaine-type amphoteric surfactants include betaine aminoacetates such as lauryldimethylaminoacetic acid betaine, lauric acid amidopropyldimethylaminoacetic acid betaine, and coconut oil fatty acid amidopropyldimethylaminoacetic acid betaine (cocamidopropyl betaine); Lauryl-N, N-dimethylammonium-N-propylsulfobetaine, N-lauryl-N, N-dimethylammonium-N- (2-hydroxypropyl) sulfobetaine, N-lauryl-N, N-dimethyl-N- ( And sulfobetaines such as 2-hydroxy-1-sulfopropyl) ammonium sulfobetaine.
Of these, aminoacetic acid betaine is preferred because of its particularly good drainability.
One type of betaine type surfactant may be used, or two or more types may be used in combination.

[Blending amount]
The content of the component (C) is preferably 0.5 to 12% by mass and more preferably 0.5 to 6.0% with respect to the cleaning composition. It is excellent in both detergency and water drainage within the above range.
Moreover, 0.3-5.0 are preferable and (B) component / (C) component showing mass ratio of content of (B) component with respect to content of (C) component is 0.5-2.0. More preferred. When the component (B) / component (C) is in the above range, it is easy to achieve both excellent detergency and drainage.
As the component (C), it is preferable to use both an amine oxide type surfactant and a betaine type surfactant from the viewpoint of coexistence of drainage and detergency. When both of these are used, the betaine amphoteric surfactant / amine oxide surfactant representing the mass ratio of the content of the betaine amphoteric surfactant to the content of the amine oxide surfactant is 0.15 to 7 is preferable and 0.6-7 is more preferable.

<(D) component: nonionic surfactant other than (B) component>
The component (D) is a nonionic surfactant other than the component (B). The amine oxide type surfactant is not included in the nonionic surfactant.
By including the component (D) in addition to the components (A) to (C) in the cleaning composition, the foam durability is mainly improved.
Examples of the component (D) include polyoxyalkylene alkyl ethers, alkyl polyglycosides, and fatty acid monoethanolamides. Of these, alkyl polyglycosides are preferred because of their good drainage and detergency.

[Alkyl polyglycosides]
Alkyl polyglucoside is a nonionic surfactant derived from a saccharide and a higher alcohol, and a compound represented by the following formula (3) is preferred.
R ⁵ —O— [G] _y (3)
In the formula, R ⁵ represents a linear or branched alkyl group having 8 to 20 carbon atoms, and G represents a glucoside residue. y shows the number of 1-5 on an average. y is preferably a number from 1 to 3 on average.
Mixture of alkyl groups (R ⁵⁾ alkylpolyglucoside of two or more different carbon atoms of the may be used. It is preferable that the average carbon number of R ₅ is 10 to 14.
A commercially available product of alkylpolyglucoside is “Mydoll 12” manufactured by Kao Corporation.

[Blending amount]
When the component (D) is contained in the cleaning composition, the content of the component (D) is preferably 30% by mass or less, and more preferably 20% by mass or less with respect to the cleaning composition. It is excellent in both detergency and drainage as it is below the above upper limit. The lower limit of the content of the component (D) is more than zero, preferably 3% by mass or more, more preferably 5% by mass or more, and further preferably 10% by mass or more from the viewpoint of excellent effect of improving foam persistence.

<Water>
The cleaning composition of the present invention preferably contains water from the viewpoints of ease of handling during production, solubility in water when used, and the like.

<Optional component>
In the cleaning composition of the present invention, optional components other than the components described above may be blended as necessary within a range not impairing the effects of the present invention.
Examples of optional components include, but are not limited to, components that are usually blended into dishwashing detergents. For example, surfactants other than components (A) to (D), hydrotropes, pH adjusters, bleaching components, Examples include a metal-trapping component, a radical trap agent, and a fragrance.
5-8 are preferable and, as for pH (25 degreeC) of a cleaning composition, 5-6 are more preferable. A pH adjuster is added as necessary.

[Hydrotrope]
The hydrotrope mainly improves the storage stability (especially low temperature stability) of the cleaning composition, and contributes to the stability of the transparent appearance.
Specific examples of the hydrotrope include aromatic sulfonic acids or salts thereof, aromatic carboxylic acids or salts thereof, alcohols having 2 to 4 carbon atoms, or other water-soluble solvents, and one or more types can be used. .
(Aromatic sulfonate and aromatic carboxylate)
Examples of the aromatic sulfonic acid include toluene sulfonic acid, cumene sulfonic acid, xylene sulfonic acid, substituted or unsubstituted naphthalene sulfonic acid, and the like, among which toluene sulfonic acid and cumene sulfonic acid are preferable.
Toluene sulfonic acid and cumene sulfonic acid may be any of the three isomers, o-form, m-form and p-form, respectively, and since they are easily available, p-form is preferred. Among them, p- Toluenesulfonic acid is more preferred.
Examples of the aromatic carboxylic acid include benzoic acid.
The salt forms in the aromatic sulfonate or aromatic carboxylate include alkali metal salts such as sodium and potassium; alkaline earth metal salts such as magnesium and calcium; ammonium salts; monoethanolamine, diethanolamine, Examples include alkanolamine salts such as ethanolamine.
Of these, alkali metal salts are preferable, and sodium salts are more preferable.

(C2-C4 alcohol)
Among the alcohols having 2 to 4 carbon atoms, examples of the monohydric alcohol include ethanol, 1-propanol, 2-propanol, and 1-butanol. Examples of the polyhydric alcohol having 2 to 4 carbon atoms include ethylene glycol, propylene glycol, butylene glycol, glycerin and the like.
(Water-soluble solvents other than the above)
Examples of water-soluble solvents other than the above include polyethylene glycol and phenyl glycol.
As for the compounding quantity of a hydrotrope agent with respect to cleaning composition, 2-30 mass% is preferable, More preferably, it is 3-10 mass%. When the hydrotrope agent is blended in such a range, the blending effect can be obtained without reducing the detergency.

  Hereinafter, the present invention will be described in more detail using examples, but the present invention is not limited to these examples.

<(A) component>
A-1: (A1) component, linear alkylbenzene sodium sulfonate (LAS) having 10 to 14 carbon atoms in the alkyl group, Teika Power L124 (trade name, manufactured by Teika Co., Ltd.) was neutralized with sodium hydroxide thing.
A-2: Component (A1), sodium α-olefin sulfonate (AOS) having 14 carbon atoms, Lipolane LB440 (trade name, manufactured by Lion Specialty Chemicals Co., Ltd.).
A-3: Component (A1), secondary alkane sulfonic acid sodium salt (SAS) having 14 to 17 carbon atoms, HOSTAPUR SAS 30A (trade name, manufactured by Clariant Japan Co., Ltd.).
A-4: Sodium polyoxyethylene alkyl ether sulfate (AES (3)) having 12 to 14 carbon atoms in the alkyl group and an average addition mole number of ethylene oxide of 3, Teicapol NE1230 (trade name, manufactured by Teika Corporation).
<(B) component>
B-1: Polyoxyethylene mono (2-propylheptyl) ether (a compound having m = 10 and x + y = 8 in the above formula (1)), Lutensol XP100 (trade name, manufactured by BASF).
B-2: Polyoxyethylene mono (2-propylheptyl) ether (a compound having m = 9 and x + y = 8 in the above formula (1)), Lutensol XP90 (trade name, manufactured by BASF).
B-3: Polyoxyethylene mono (2-propylheptyl) ether (a compound having m = 6 and x + y = 8 in the above formula (1)), Lutensol XP60 (trade name, manufactured by BASF).
<(C) component>
C-1: Cocamidopropyl betaine (CAPB), ovazoline CAB-30 (trade name, manufactured by Toho Chemical Co., Ltd.).
C-2: Lauryldimethylamine oxide (AX), Kadenax DM12D-W (trade name, manufactured by Lion Specialty Chemicals).
<(D) component>
D-1: a mixture of alkylpolyglucosides represented by the above formula (3) and having R ⁵ having 10 to 14 carbon atoms, the average value of y is 1.3, Mydol 12 (trade name, manufactured by Kao Corporation) .
D-2: Polyoxyethylene alkyl ether (BRE (15)), LMAO-90 (trade name, manufactured by Lion Chemical Co., Ltd.) having an alkyl group with 12 to 14 carbon atoms and an average addition mole number of ethylene oxide of 15

<Other ingredients>
p-Toluenesulfonic acid: Hydrotrope agent, Teikatox 300 (trade name, manufactured by Teika Co., Ltd.).
pH adjuster: sodium hydroxide.
Water: Ion exchange water.

<Examples 1 to 28, Comparative Examples 1 to 7>
According to the compositions shown in Tables 1 to 3, the cleaning compositions of each Example and Comparative Example were prepared by the production methods shown below. The unit of the blending amount in the table is “mass%”, and all the components indicate the amount in terms of pure content. “Balance” indicating the blending amount of water means the balance added so that the total blending amount (% by mass) of all the blending components contained in the cleaning composition is 100% by mass.

First, (A) component, (B) component, and (D) component were put into a 200 mL beaker, and it stirred with the magnetic stirrer. Subsequently, water was added and stirred so that the whole amount might be 50 mass parts. Then, after adding (C) component, p-toluenesulfonic acid, and a pH adjuster to adjust the pH, water is added so that the total amount becomes 100 parts by mass, and the cleaning composition of each example. Were manufactured respectively.
The “appropriate amount” of the pH adjuster indicates the amount (around 10% by mass) of sodium hydroxide blended for adjusting the pH (25 ° C.) of the cleaning composition to the value shown in the table.
In the table, (A) / surfactant total amount is the ratio (mass ratio) of component (A) to the total content of components (A) to (D) in the cleaning composition, (C) / ( B) is the ratio (mass ratio) of the content of the component (C) to the content of the component (B) in the cleaning composition. The total amount of nonionic surfactant is the total content of component (B) and component (D).

  The resulting cleaning composition was evaluated for detergency and drainage by the following methods. Moreover, about the detergent composition obtained in Examples 25-28, the foam persistence was also evaluated by the following method. These results are shown in the table.

<Evaluation method>
[Evaluation method of cleaning power]
1 g of beef tallow (a plastic container with a bottom of 10 cm x 15 cm, a rectangular parallelepiped with a side height of 5 cm and an open top) that is uniformly applied to the entire inner surface It was.
Take 13.8cm x 7.5cm x 3cm dishwashing sponge with 38g of tap water and 2g of detergent composition, squeeze it by hand several times, and then clean the tapper container to be washed at home. Washed in the same manner. After washing, the rinse was thoroughly rinsed with tap water at 25 ° C., and the detergency was evaluated according to the following criteria based on the feeling when the inner surface of the tapper container was touched by hand. Evaluations A to C are acceptable.
A: When any part of the inner surface of the tapper container is touched, there is a feeling of friction that makes a crisp sound, and there is no sensation of luster due to residual oil.
B: A slight amount of luster remains at the corner, but there is a feeling of friction when the bottom and side surfaces are touched, and no luster due to residual oil is felt.
C: A slight amount of moisture remains on the sides and corners, but there is a feeling of friction when the bottom surface is touched, and no moisture due to residual oil is felt.
D: It can be seen that the entire inner surface of the tapper container feels slim and oil remains clearly.

[Evaluation method for drainage]
A pottery dish with a diameter of 21 cm with no dirt attached was used as a cleaning target.
Take 18.3cm x 7.5cm x 3cm dishwashing sponge with 38g of tap water and 2g of detergent composition, rub it by hand several times, and rub the surface of one ceramic dish to be cleaned 10 times. Washed. After that, rinse with tap water and place it on a commercially available tableware basket so that the plate is almost vertical. By visual inspection, the water flows down from the ceramic plate and adheres to 50% of the entire surface of the ceramic plate. The time (50% drainage time) until it was not in the state was evaluated. Based on the 50% drainage time, drainage was evaluated according to the following criteria. Evaluations A to C are acceptable.
A: 50% drainage time is 1 minute or less.
B: 50% drainage time exceeds 1 minute and is 2 minutes or less.
C: 50% drainage time exceeds 2 minutes and 3 minutes or less.
D: 50% drainage time exceeds 3 minutes.

[Method for evaluating foam persistence (sustainability of foaming and foam amount)]
As a model oil stain, a dish (21 cm in diameter) from which 1 g of olive oil and 5 g of water were collected was used as a model oil stain dish, and 30 model oil stain dishes were prepared.
Take 17.5cm x 7.5cm x 3cm high sponge for dishwashing (product name: Scotch Bright, Sumitomo 3M Co., Ltd., trade name: Scotch Bright) and take 3g each of 25g tap water and 2g detergent composition. After washing by hand, the dishwashing sponge was brought into contact with the model oil-stained dish, so that the model oily soil and the dishwashing sponge became familiar. After that, the dishwashing sponge was pressed against the model oil-stained dish and moved to draw a circle twice to rub it.
The dish-washing sponge continues to scrub the model oil-stained dish without adding new tap water and detergent composition, and no bubbles remain on the model-stained dish dish after scrubbing ( Washed until it could not be confirmed. Based on the number of washed dishes, the following criteria were used for evaluation. Evaluations A to C are acceptable.
A: 20 sheets or more.
B: 18 or more.
C: 16 sheets or more.
D: 15 sheets or less.

As shown in the results of Tables 1 to 3, the cleaning compositions of Examples 1 to 28 to which the present invention was applied were excellent in cleaning power and drainage.
Moreover, as shown by the results of Examples 25 to 28 in Table 3, the foam persistence was improved by adding the nonionic surfactant (D-1) in addition to the component (B).
Although the comparative example 1 which does not contain (A) component is good in water drainage, it was inferior to the detergency.
Comparative Example 2 containing no component (B) had good detergency but was inferior in water drainage.
Although the comparative example 3 which does not contain (C) component has favorable detergency, it was inferior to drainage.
Comparative Example 4 which does not contain the component (A1) and contains an anionic surfactant other than the component (A1) has good detergency but is inferior in water drainage.
The comparative example 5 which does not contain (B) component and contains nonionic surfactant (D-2) other than (B) component was good in detergency, but was inferior to water drainage.
Comparative Example 6 having a small component (A) / surfactant total amount had good water drainage but was inferior in detergency.
Comparative Example 7 having a large component / surfactant total amount had good detergency but was inferior in water drainage.

Claims (4)

(A) component: anionic surfactant,
(B) component: a nonionic surfactant represented by the following formula (1), and (C) component: containing one or both of an amine oxide type surfactant and a betaine type surfactant,
The component (A) contains a sulfonic acid type anionic surfactant (A1),
(A) The dishwashing detergent composition whose mass ratio represented by component / surfactant total amount is 0.02-0.45.

[Wherein, AO represents an oxyethylene group. m represents the average number of repetitions of AO and is 6-12. x and y are each an integer of 1 to 6, and 6 ≦ x + y ≦ 12. ]   The dishwashing detergent composition of Claim 1 whose mass ratio represented by (B) component / (C) component is 0.3-5.0.   (D) Component: The dishwashing detergent composition of Claim 1 or 2 which further contains nonionic surfactants other than (B) component.   The detergent composition for dishwashing as described in any one of Claims 1-3 which uses both an amine oxide type surfactant and a betaine type surfactant as (C) component.