JP6678067B2 - Dishwashing detergent composition - Google Patents

Description

  The present invention relates to a dishwashing detergent composition.

In recent years, “quickness” has been emphasized in dishwashing behavior due to changes in lifestyles of consumers. Important factors that lead to "quickness" include "cleaning power" after the dishwashing, in addition to "cleaning power" to remove oil stains firmly, and it is desired that these both be compatible.
Patent Literature 1 and Patent Literature 2 disclose a detergent composition which is excellent in detergency and drainage property by utilizing a cationic polymer compound.

JP-A-2003-155499 JP 2005-26409 A

The cationic polymer compounds described in Patent Literatures 1 and 2 contribute to excellent water-removing properties, but are not sufficiently soluble, and thus require a lot of time and effort for production. There is a need for a technique that can improve drainage.
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 surfactant and betaine surfactant Wherein the component (A) contains the sulfonic acid type anionic surfactant (A1), and the mass ratio represented by the component (A) / the total amount of the surfactant is 0.02 to 0. 45. A dishwashing detergent composition which is 45.

[Wherein, AO represents an oxyethylene group. m represents the average number of repetitions of AO, and is 6 to 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 the component (B) / the component (C) is 0.3 to 5.0.
[3] The 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 surfactant and the betaine surfactant are used as the component (C).

[5] The dishwashing detergent composition according to [1], wherein the total amount of the surfactants is 4 to 40% by mass based on 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 based on the detergent composition.
[7] The dishwashing detergent composition according to [1], wherein the content of the component (A1) is at least 40% by mass based on the component (A).
[8] The dishwashing detergent composition according to [1], wherein the content of the component (B) is 1 to 6% by mass based on 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 relative to the detergent composition.
[10] The dishwashing detergent composition according to [1], wherein the weight ratio of betaine-type amphoteric surfactant / amine oxide-type 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 based on 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 “detergent 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.
Examples of the component (A1) include (a1) an alkylbenzene sulfonate, (a2) an alkane sulfonate, (a3) an α-olefin sulfonate, and (a4) an α-sulfofatty acid alkyl represented by the following formula (I). Ester salts and (a5) sulfosuccinates.
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.

The carbon number of the alkyl group of (a1) is preferably from 10 to 21, more preferably from 10 to 18, and even more preferably from 10 to 16. Particularly, a linear alkyl benzene sulfonate having an alkyl group having 10 to 15 carbon atoms is preferable.
The carbon number of (a2) is preferably from 10 to 21, more preferably from 10 to 18, and even more preferably from 10 to 16. In particular, a secondary alkane sulfonate having 13 to 18 carbon atoms is particularly preferred.
The carbon number of (a3) is preferably 10 to 21, more preferably 10 to 18, and even more preferably 10 to 16. Particularly, 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.

The salt constituting the component (A1) 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). ), Alkanolamine salts such as triethanolamine salt (triethanolammonium); and ammonium salts.
As the component (A1), one type may be used alone, or two or more types may be used in combination.
The component (A1) is preferably at least one selected from the group consisting of the above (a1), (a2), and (a3) because it is easy to achieve both cleanability and 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). For example, a sulfate ester type anionic surfactant, a carboxylate type anionic surfactant, and a phosphate ester type anionic surfactant can be used.
Examples of the sulfate type anionic surfactant include an alkyl sulfate salt, an alkenyl sulfate salt, a polyoxyalkylene alkyl ether sulfate salt, and a polyoxyalkylene alkenyl ether sulfate salt.
Examples of the carboxylate-type anionic surfactant include an alkyl ether carboxylate, an amide ether carboxylate, and an amino acid-based anionic surfactant.
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.
Salts constituting an anionic surfactant other than the component (A1) 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) And alkanolamine salts such as diethanolamine salt (diethanolammonium) and triethanolamine salt (triethanolammonium); and ammonium salts.
The anionic surfactant 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 the surfactants (A) to (D) and the surfactant blended as an optional component is referred to as the total surfactant.
The component (A) / the total amount of the surfactant, which represents the mass ratio of the content of the component (A) to the total amount of the surfactant, is from 0.02 to 0.45, preferably from 0.02 to 0.30, and more preferably from 0.05 to 0.05. -0.3 is more preferable. When the mass ratio of the component (A) / the total amount of the surfactants is within the above range, both detergency and water drainage are excellent.
The total amount of the surfactants in the detergent 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 surfactants is equal to or more than the lower limit, the viscosity of the detergent composition is easily increased. When the total amount of the surfactants is equal to or less than the upper limit, it is easy to appropriately adjust the amounts of components other than the surfactants.
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, and more preferably 0.5 to 5% by mass, based on the detergent composition. -3.0% by mass is particularly preferred. Within the above range, both detergency and drainage are excellent.
The content of the component (A1) is preferably from 40 to 100% by mass, more preferably from 50 to 100% by mass, further preferably from 70 to 100% by mass, particularly preferably from 90 to 100% by mass based on the component (A). When the content is in the above range, the cleaning power and the drainage property are excellent.

<(B) component>
The component (B) is a nonionic surfactant represented by the following formula (1). In the 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 to 12. The compound represented by the formula (1) is an aggregate of molecules having different numbers of AO repetitions.

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

As the component (B), an ethylene oxide adduct of an alcohol having a branched structure at the β-position obtained by two-molecule condensation by the Garbet reaction is particularly preferable.
A specific example is 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) And m = 10).
[Blending amount]
The content of the component (B) is preferably from 1 to 6% by mass, and more preferably from 2 to 5.5% by mass, based on the detergent composition. Within the above range, both detergency and drainage are excellent.

<(C) component>
The component (C) is one or both of an amine oxide surfactant and a betaine surfactant. Amine oxide surfactants are semipolar surfactants, and betaine surfactants are amphoteric surfactants.
As used herein, the term “semipolar surfactant” refers to a surfactant having a semipolar bond (a bond having an intermediate property between a nonpolar bond and a polar bond). Depending on the pH of the solution to be dispersed or the dispersion system to be dispersed.

[Amine oxide surfactant]
Examples of the amine oxide type surfactant include alkylamine oxide and alkylamidopropyldimethylamine oxide.
Among them, 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 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 the 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; To 18 linear or branched alkyl groups are preferred.
The alkyl group or alkenyl group represented by R ¹ has 8 to 18 carbon atoms, and preferably has 10 to 14 carbon atoms, since the detergency against oil stains is further improved.
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, both R ² and R ³ are 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 dimethyl amine oxide, cocoalkyl dimethyl amine oxide, lauryl diethyl amine oxide, lauric amide propyl dimethyl amine oxide and the like. Of these, lauryl dimethylamine oxide is preferred because of its particularly good detergency. Commercially available products include, for example, "Aromox DM12D-W" manufactured by Lion Akzo Co., Ltd.
The amine oxide surfactant may be used alone or in combination of two or more.

[Betain type surfactant]
Examples of betaine-type surfactants include betaine aminoacetate (such as alkylbetaine and alkylamidobetaine) and sulfobetaine (such as alkylhydroxysulfobetaine).
Specific examples of the betaine-type amphoteric surfactant include amino acids betaines such as lauryl dimethyl amino acetate betaine, lauric amide propyl dimethyl amino acetate betaine, and coconut oil fatty acid amide propyl dimethyl amino acetate betaine (cocamidopropyl betaine); Lauryl-N, N-dimethylammonium-N-propylsulfobetaine, N-lauryl-N, N-dimethylammonium-N- (2-hydroxypropyl) sulfobetaine, N-lauryl-N, N-dimethyl-N- ( Sulfobetaine such as 2-hydroxy-1-sulfopropyl) ammonium sulfobetaine.
Above all, betaine aminoacetate is preferred because of its particularly good drainage properties.
One type of betaine type surfactant may be used alone, or two or more types may be used in combination.

[Blending amount]
The content of the component (C) is preferably from 0.5 to 12% by mass, more preferably from 0.5 to 6.0%, based on the detergent composition. Within the above range, both detergency and drainage are excellent.
The component (B) / component (C) representing the mass ratio of the content of the component (B) to the content of the component (C) is preferably from 0.3 to 5.0, and more preferably from 0.5 to 2.0. More preferred. When the ratio of component (B) / component (C) is within the above range, both excellent detergency and water drainage can be easily achieved.
As the component (C), it is preferable to use both an amine oxide type surfactant and a betaine type surfactant from the viewpoint of achieving both water drainage and detergency. When both of these are used, the betaine-type amphoteric surfactant / amine oxide-type surfactant representing the mass ratio of the content of the betaine-type amphoteric surfactant to the content of the amine oxide-type surfactant is 0.15 to 0.15. 7 is preferable, and 0.6 to 7 is more preferable.

<Component (D): Nonionic surfactant other than component (B)>
The component (D) is a nonionic surfactant other than the component (B). Amine oxide surfactants are not included in nonionic surfactants.
By adding the component (D) to the detergent composition in addition to the components (A) to (C), the foam durability is mainly improved.
Examples of the component (D) include polyoxyalkylene alkyl ethers, alkyl polyglycosides, and fatty acid monoethanolamide. Among these, alkyl polyglycosides are preferred because of their good water drainage and detergency.

[Alkyl polyglycoside]
Alkyl polyglucoside is a nonionic surfactant derived from a saccharide and a higher alcohol, and is preferably a compound represented by the following formula (3).
_{^{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 average. y is preferably a number of 1 to 3 on average.
A mixture of two or more alkyl polyglucosides having different numbers of carbon atoms in the alkyl group (R ⁵ ) may be used. It is preferable that the average carbon number of R ₅ is 10 to 14.
As a commercially available product of alkyl polyglucoside, “Mydol 12” manufactured by Kao Corporation can be mentioned.

[Blending amount]
When the component (D) is contained in the detergent composition, the content of the component (D) is preferably 30% by mass or less, more preferably 20% by mass or less, based on the detergent composition. When the amount is not more than the above upper limit, both the detergency and the drainage property are excellent. The lower limit of the content of the component (D) is more than zero, and is preferably 3% by mass or more, more preferably 5% by mass or more, and still more preferably 10% by mass or more from the viewpoint of excellent foam sustainability improving effect.

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

<Optional components>
The cleaning composition of the present invention may contain optional components other than the above-described components, if necessary, as long as the effects of the present invention are not impaired.
The optional component is not particularly limited, and includes components that are usually blended in dishwashing detergents. For example, surfactants other than the components (A) to (D), hydrotropes, pH adjusters, bleaching components, Examples include a metal trapping component, a radical trapping agent, and a fragrance.
The pH (25 ° C.) of the detergent composition is preferably from 5 to 8, more preferably from 5 to 6. Add a pH adjuster as needed.

[Hydrotrope agent]
The hydrotrope mainly improves the storage stability (especially low-temperature stability) of the detergent composition and contributes to the stability of the transparent appearance.
Specific examples of the hydrotrope include an aromatic sulfonic acid or a salt thereof, an aromatic carboxylic acid or a salt thereof, an alcohol having 2 to 4 carbon atoms, or a water-soluble solvent other than these, and one or more of them can be used. .
(Aromatic sulfonate / aromatic carboxylate)
Examples of the aromatic sulfonic acid include toluene sulfonic acid, cumene sulfonic acid, xylene sulfonic acid, and substituted or unsubstituted naphthalene sulfonic acid. Of these, toluene sulfonic acid and cumene sulfonic acid are preferable.
Toluenesulfonic acid and cumenesulfonic acid may be any of the three isomers of o-form, m-form and p-form, respectively. Of these, the p-form is preferred because it is easily available, and among them, p-form is preferred. Toluenesulfonic acid is more preferred.
Examples of the aromatic carboxylic acid include benzoic acid.
Examples of the salt form of the aromatic sulfonate or aromatic carboxylate include salts of alkali metals such as sodium and potassium; salts of alkaline earth metals such as magnesium and calcium; ammonium salts; monoethanolamine, diethanolamine, and triethanolamine. Alkanolamine salts such as ethanolamine are exemplified.
Of these, alkali metal salts are preferred, and sodium salts are more preferred.

(C2-C4 alcohol)
Among 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, and glycerin.
(Water-soluble solvents other than the above)
Other water-soluble solvents include polyethylene glycol, phenyl glycol and the like.
The amount of the hydrotrope is preferably 2 to 30% by mass, more preferably 3 to 10% by mass, based on the detergent composition. When the hydrotrope is blended in such a range, the blending effect can be obtained without deteriorating the detergency.

  Hereinafter, the present invention will be described in more detail with reference to Examples, but the present invention is not limited to these Examples.

<(A) component>
A-1: Component (A1), sodium linear alkylbenzene sulfonate (LAS) having 10 to 14 carbon atoms in the alkyl group, and Takeka Power L124 (trade name, manufactured by Teika Co., Ltd.) were neutralized with sodium hydroxide. thing.
A-2: Component (A1), a C14 α-olefin sodium sulfonate (AOS), Lipolan LB440 (trade name, manufactured by Lion Specialty Chemicals Co., Ltd.).
A-3: (A1) component, secondary sodium alkane sulfonate (SAS) having 14 to 17 carbon atoms, HOTAPUR SAS 30A (trade name, manufactured by Clariant Japan KK).
A-4: Polyoxyethylene alkyl ether sodium sulfate (AES (3)) having 12 to 14 carbon atoms in the alkyl group and an average addition mole number of ethylene oxide of 3, and Teikapol NE1230 (trade name, manufactured by Teica Corporation).
<(B) component>
B-1: Polyoxyethylene mono (2-propylheptyl) ether (compound of m = 10, x + y = 8 in the above formula (1)), Lutensol XP100 (trade name, manufactured by BASF).
B-2: Polyoxyethylene mono (2-propylheptyl) ether (compound of m = 9, x + y = 8 in the above formula (1)), Lutensol XP90 (trade name, manufactured by BASF).
B-3: Polyoxyethylene mono (2-propylheptyl) ether (compound of m = 6, x + y = 8 in the above formula (1)), Lutensol XP60 (trade name, manufactured by BASF).
<(C) component>
C-1: Cocamidopropyl betaine (CAPB), Obazoline CAB-30 (trade name, manufactured by Toho Chemical Industry Co., Ltd.).
C-2: Lauryl dimethylamine oxide (AX), Kadenax DM12D-W (trade name, manufactured by Lion Specialty Chemicals Co., Ltd.).
<(D) component>
D-1: a mixture of alkyl polyglucosides represented by the above formula (3) and having ⁵ to 10 carbon atoms in R ⁵ , the average value of y is 1.3, mydol 12 (trade name, manufactured by Kao Corporation) .
D-2: Polyoxyethylene alkyl ether (BRE (15)) having 12 to 14 carbon atoms in the alkyl group and an average addition mole number of ethylene oxide of 15; LMAO-90 (trade name, manufactured by Lion Chemical Co., Ltd.)

<Other components>
p-Toluenesulfonic acid: a hydrotrope agent, Takeka Tox 300 (trade name, manufactured by Takeka Corporation).
pH adjuster: sodium hydroxide.
Water: ion-exchanged water.

<Examples 1-28, Comparative Examples 1-7>
Examples 2, 5 to 9, 12, 13, 15, 17 to 17, 20 to 23, and 28 are reference examples.
According to the compositions shown in Tables 1 to 3, the cleaning compositions of the respective examples and comparative examples were prepared by the following production methods. The unit of the compounding amount in the table is “% by mass”, and all the components are expressed in terms of pure components. "Balance" indicating the blending amount of water means the balance added so that the total blending amount (mass%) of all the blending components contained in the detergent composition becomes 100% by mass.

First, the (A) component, the (B) component, and the (D) component were put into a 200 mL beaker, and stirred with a magnetic stirrer. Next, water was added and stirred so that the total amount became 50 parts by mass. Thereafter, the pH was adjusted by adding the component (C), p-toluenesulfonic acid, and a pH adjuster, and then water was added so that the total amount was 100 parts by mass. Was manufactured respectively.
The “appropriate amount” of the pH adjuster indicates the amount (about 10% by mass) of sodium hydroxide added to adjust the pH (25 ° C.) of the detergent composition to the value shown in the table.
In the table, (A) / the total amount of the surfactant is a ratio (mass ratio) of the content of the component (A) to the total content of the components (A) to (D) in the detergent 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 the nonionic surfactant is the total content of the components (B) and (D).

  The resulting detergent composition was evaluated for detergency and drainage by the following methods. In addition, the detergent compositions obtained in Examples 25 to 28 were also evaluated for foam durability by the following method. The results are shown in the table.

<Evaluation method>
[Method of evaluating detergency]
1 g of beef tallow is applied to the entire inner surface of a tapper container (a plastic container that is a rectangular parallelepiped with a bottom surface of 10 cm x 15 cm and a side height of 5 cm and an open top), and is uniformly washed over the entire inner surface. And
After taking 38 g of tap water and 2 g of the detergent composition into a 11.5 cm × 7.5 cm × 3 cm dishwashing sponge and rubbing it by hand several times, the tapper container to be washed is usually made at home. Washing was performed in the same manner. After washing, the well was rinsed well with tap water at 25 ° C., and the detergency was evaluated based on 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: Touching any part of the inner surface of the tapper container produces a squeaky frictional feeling, and no lubricity due to residual oil is felt.
B: Slight lubricity remains at the corners, but there is a feeling of friction when touching the bottom and side surfaces, and lubricity due to residual oil is not felt.
C: Slight slimy remains on side surfaces and corners, but there is a feeling of friction when touching the bottom surface, and slimyness due to residual oil is not felt.
D: The entire inner surface of the tapper container is slimy, and it is apparent that oil remains.

[Evaluation method for drainage]
A ceramic dish having a diameter of 21 cm to which no dirt was attached was set as a cleaning target.
Taking 38 g of tap water and 2 g of the detergent composition into a 11.5 cm × 7.5 cm × 3 cm dishwashing sponge and rubbing it by hand several times, then rubbing the surface of one pottery dish to be washed 10 times Washed. After that, rinse thoroughly with tap water and place it upright on a commercially available tableware basket so that the dish is almost vertical. Visually, water flows from the ceramic dish and water adheres to 50% of the entire surface of the ceramic dish. The time until the state was not reached (50% drainage time) 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 2 minutes or less.
C: 50% drainage time is more than 2 minutes and 3 minutes or less.
D: 50% drainage time exceeds 3 minutes.

[Evaluation method of foam sustainability (sustainability of foaming and foam amount)]
A dish (diameter: 21 cm) in which 1 g of olive oil and 5 g of water were collected as a model oil stain was used as a model oil soil dish, and 30 such model oil soil dishes were prepared.
A dishwashing sponge (11.5 cm long × 7.5 cm wide × 3 cm high) (Sumitomo 3M Co., Ltd., trade name: Scotch Bright) was charged with 38 g of 25 ° C. tap water and 2 g of the detergent composition, and was taken three times. The dishwashing sponge after rubbing by hand was brought into contact with the model oil stain dish to make the model oil stain and the dishwashing sponge familiar. Thereafter, the dishwashing sponge was pressed against the model oily dish and moved so as to draw two circles to perform scrubbing.
Then, without washing the dishwashing sponge with tap water and the detergent composition again, the model oil stain dish is continuously scrubbed, and no bubbles remain on the model oil stain dish after scrubbing ( Washing was continued until the condition was reached. Evaluation was made based on the following criteria based on the number of washed dishes. Evaluations A to C are acceptable.
A: 20 sheets or more.
B: 18 sheets or more.
C: 16 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 detergency and drainage.
In addition, as shown in the results of Examples 25 to 28 in Table 3, foam sustainability was improved by adding a nonionic surfactant (D-1) in addition to the component (B).
Comparative Example 1, which did not contain the component (A), had good drainage, but was inferior in detergency.
Comparative Example 2 containing no component (B) had good detergency, but was poor in drainage.
Comparative Example 3 containing no component (C) had good detergency, but was poor in drainage.
Comparative Example 4, which did not contain the component (A1) and contained an anionic surfactant other than the component (A1), had good detergency but was poor in drainage.
Comparative Example 5, which did not contain the component (B) and contained the nonionic surfactant (D-2) other than the component (B), had good detergency but was poor in drainage.
In Comparative Example 6 in which the value of the component (A) / the total amount of the surfactant was small, the drainage property was good, but the detergency was poor.
Comparative Example 7, in which the value of the component (A) / the total amount of the surfactants was large, had good detergency, but was poor in drainage.

Claims (2)

(A) component: anionic surfactant,
Component (B): a nonionic surfactant represented by the following formula (1), and component (C): containing both amine oxide type surfactants and betaine type surfactants, betaine type surfactant / The mass ratio represented by the amine oxide type surfactant is 1.5 to 2.0,
The component (A) contains, as the sulfonic acid type anionic surfactant (A1) , at least one selected from the group consisting of (a1) an alkylbenzene sulfonate, and (a3) an α-olefin sulfonate ;
(A) mass ratio expressed by component / surfactant total amount Ri der 0.05-0.3 mass ratio represented by component (B) / (C) component 0.5 to 2.0 , and the surfactant amount is Ru 6 to 35% by mass, dishwashing detergent compositions.

[Wherein, AO represents an oxyethylene group. m represents the average number of repetitions of AO, and is 6 to 12. x and y are each an integer of 1 to 6, and 6 ≦ x + y ≦ 12. ] As a further component (D) is represented by the following formula (3), the carbon number of ^{R 5} contains 5 to 20% by weight of alkyl polyglucoside 10 to 14, dishwashing detergent composition according to claim 1 Thing .
R ⁵ -O- [G] y (3)
In the formula, R ⁵ represents a linear or branched alkyl group, and G represents a glucoside residue. y shows the number of 1-5 on average.