JP7450518B2 - dishwashing detergent - Google Patents

Description

FIELD OF THE INVENTION The present invention relates to a dishwashing agent.

In recent years, in addition to being able to thoroughly remove stains when washing dishes, it has become desirable to be able to wash dishes easily and without stress.
Dishwashing methods include scrubbing the dishes with a cleaning tool such as a sponge coated with dishwashing detergent, and then rinsing them with water (scrubbing washing); dispersing the dishwashing detergent in water to create a cleaning solution; There is a method of soaking dishes, etc. in a cleaning solution, leaving them for a certain period of time, and then rinsing them with water (dip cleaning).

Patent Document 1 discloses a liquid detergent composition containing specific amounts of a specific surfactant, an enzyme, and an enzyme stabilizer as a dishwashing agent that has an excellent cleaning effect during soaking and cleaning. There is.

JP2005-325281A

However, although the liquid detergent composition described in Patent Document 1 has an excellent cleaning effect when cleaning after soaking, it tends to feel slimy when scrubbing dishes etc. with hands or cleaning tools after soaking, and the rinsing time becomes long. Tend. In addition, there is a tendency for the foam to break off easily, resulting in poor rinsing properties and requiring a longer time for cleaning after soaking.
An object of the present invention is to provide a dishwashing agent that has excellent detergency and foam removal during pre-soak cleaning, can reduce sliminess, and can shorten the time required for pre-soak cleaning.

The present invention has the following aspects.
[1] Component (A): a non-soap anionic surfactant containing component (a1) and component (a2);
(B) Component: Contains a sulfobetaine type amphoteric surfactant,
The component (a1) is an olefin sulfonic acid type anionic surfactant,
The component (a2) is a sulfosuccinic acid dialkyl ester or a salt thereof represented by the following general formula (1),
The total content of the component (a1) and the component (a2) is 50% by mass or more based on the total mass of the component (A),
The content of the component (B) is 5 to 15% by mass based on the total mass of the dishwashing detergent,
A dishwashing detergent having a mass ratio of component (A)/component (B) of 0.5 to 5.

In the general formula (1), R ¹ is a straight chain or branched alkyl group having 5 to 18 carbon atoms, R ² is a straight chain or branched alkyl group having 1 to 18 carbon atoms, and A ¹ and A ² is each independently an alkylene group having 2 to 4 carbon atoms, n is a number from 0 to 6 indicating the average number of repeats of OA ¹ , and m is a number of 0 to 6 indicating the average number of repeats of A ² O. , M _a ⁺ is a cation, and X is the valence of M _a ⁺ .

[2] Component (C): further contains an enzyme containing at least one of component (c1) and component (c2),
The component (c1) is a protease,
The dishwashing agent according to [1] above, wherein the component (c2) is amylase.
[3] The dishwashing agent according to [2] above, wherein the mass ratio represented by the component (B)/component (C) is 8 to 20.
[4] The dishwashing agent according to any one of [1] to [3] above, wherein the mass ratio represented by the component (a1)/component (a2) is 1 to 5.
[5] The component (A) further includes component (a3),
The dishwashing agent according to any one of [1] to [4] above, wherein the component (a3) is a polyoxyalkylene alkyl ether sulfate or a salt thereof.
[6] The dishwashing agent of [5] above, wherein the mass ratio represented by the component (a2)/component (a3) is from 1 to 10.
[7] The dishwasher according to [5] or [6] above, wherein the total content of the component (a2) and the component (a3) is 4 to 20% by mass based on the total mass of the dishwashing detergent. Washing soap.
[8] The dishwashing agent according to any one of [1] to [7] above, wherein the mass ratio represented by the component (a2)/component (B) is 0.2 to 0.5.
[9] Component (D): The tableware according to any one of [1] to [8] above, wherein the content of the amine oxide type surfactant is 3% by mass or less based on the total mass of the dishwashing detergent. cleaning agent.
[10] The above [1] to [9], wherein the total content of all surfactants contained in the dishwashing agent is 12.5 to 40% by mass based on the total mass of the dishwashing detergent. ] Any dishwashing detergent.

According to the present invention, it is possible to provide a dishwashing agent that has excellent detergency and foam removal during pre-soak cleaning, can reduce sliminess, and can shorten the time required for pre-soak cleaning.

The present invention will be explained in detail below.
The dishwashing agent of the present invention is a composition containing component (A) and component (B) shown below. It is preferable that the dishwashing agent further contains component (C) shown below. The dishwashing detergent may contain component (D) shown below as necessary, or components other than component (A), component (B), component (C), and component (D) as required. It may further contain optional components.
The dishwashing agent of the present invention is a dishwashing agent for so-called hand washing.

<(A) component>
Component (A) is a non-soap anionic surfactant.
Component (A) includes component (a1) and component (a2) shown below. It is preferable that component (A) further contains component (a3) shown below. Component (A) may further contain component (a4) shown below, if necessary.
Component (a1): Olefin sulfonic acid type anionic surfactant.
Component (a2): sulfosuccinic acid dialkyl ester or its salt represented by the following general formula (1).
Component (a3): polyoxyalkylene alkyl ether sulfate or salt thereof.
Component (a4): An anionic surfactant other than component (a1), component (a2) and component (a3).

Component (A) includes component (a1) and component (a2). When the component (A) contains the components (a1) and (a2), the cleaning power during soaking cleaning is increased while suppressing a decrease in rinsability. From the viewpoint of further increasing the detergency during cleaning after soaking, it is preferable that component (A) includes component (a1), component (a2), and component (a3).
The total content of component (a1) and component (a2) is 50% by mass or more, preferably 65% by mass or more, and more preferably 80% by mass or more based on the total mass of component (A). If the total content of the components (a1) and (a2) is equal to or higher than the above lower limit, the foam removal property during soaking and cleaning will be improved, and the time required for soaking and cleaning can be shortened. In addition, when the dishwashing detergent contains component (C) shown below, the enzyme stability is improved, so that the enzyme activity is less likely to decrease during storage of the dishwashing detergent. Therefore, even if the dishwashing detergent after storage is used for soaking and washing, the detergency can be maintained well.
The total content of component (a1) and component (a2) may be 100% by mass based on the total mass of component (A), but is preferably 98% by mass or less, and more preferably 95% by mass or less.

The content of component (A) is preferably 7.5 to 35% by mass, more preferably 14 to 26% by mass based on the total mass of the dishwashing detergent. If the content of the component (A) is equal to or higher than the above lower limit, the detergency during cleaning after soaking will be further enhanced. If the content of component (A) is below the above upper limit, it will be easy to suppress a decrease in rinsability.

((a1) component)
Component (a1) is an olefin sulfonic acid type anionic surfactant.
Examples of olefin sulfonic acid type anionic surfactants include α-olefin sulfonic acid or its salt (AOS) in which the carbon-carbon double bond is in the 1st position (α-position), and α-olefin sulfonic acid or its salt (AOS) in which the carbon-carbon double bond is in the 2nd or higher position. (internal) internal olefin sulfonic acid or its salt (IOS), etc.

The α-olefin sulfonic acid preferably has 8 to 24 carbon atoms, more preferably 10 to 20 carbon atoms.
Examples of the salt of α-olefin sulfonic acid include alkali metal salts such as sodium and potassium salts, alkaline earth metal salts such as magnesium, and alkanolamine salts such as monoethanolamine and diethanolamine.
The α-olefin sulfonate is preferably an α-olefin sulfonate having 10 to 20 carbon atoms.
α-olefin sulfonate is a surfactant obtained by sulfonating an olefin in which the carbon-carbon double bond is in the 1st position (α-position), then neutralizing it with an alkali such as sodium hydroxide and hydrolyzing it. It is. As such α-olefin sulfonate, commercially available products can be used, such as “Liporan LB440” manufactured by Lion Specialty Chemicals Co., Ltd., and the like.

The number of carbon atoms in the internal olefin sulfonic acid is preferably 8 to 24, more preferably 10 to 20.
Examples of the salts of internal olefin sulfonic acids include alkali metal salts such as sodium and potassium salts, alkaline earth metal salts such as magnesium, and alkanolamine salts such as monoethanolamine and diethanolamine.
The internal olefin sulfonate is preferably an internal olefin sulfonate having 8 to 24 carbon atoms, such as the internal olefin sulfonate described in JP-A No. 2003-81935.
Internal olefin sulfonate is a surfactant obtained by sulfonating an olefin with a carbon-carbon double bond at position 2 or higher (internally), then neutralizing it with an alkali such as sodium hydroxide and hydrolyzing it. be.

Component (a1) may be used alone or in an appropriate combination of two or more.
The content of component (a1) is preferably 5 to 15% by mass, more preferably 10 to 15% by mass, based on the total mass of the dishwashing detergent. If the content of the component (a1) is within the above range, the cleaning power during pre-soaking cleaning will be further enhanced, and the cleaning component will be quickly dispersed during rinsing, so that the time required for pre-soaking cleaning can be further shortened.

((a2) component)
Component (a2) is a sulfosuccinic acid dialkyl ester or a salt thereof represented by the following general formula (1).

In the general formula (1), R ¹ is a straight chain or branched alkyl group having 5 to 18 carbon atoms, R ² is a straight chain or branched alkyl group having 1 to 18 carbon atoms, and A ¹ and A ² is each independently an alkylene group having 2 to 4 carbon atoms, n is a number from 0 to 6 indicating the average number of repeats of OA ¹ , and m is a number of 0 to 6 indicating the average number of repeats of A ² O. , M _a ⁺ is a cation, and X is the valence of M _a ⁺ .

In the general formula (1), the number of carbon atoms in R ¹ is 5 to 18, preferably 6 to 14, and more preferably 7 to 10. R ¹ is preferably a branched alkyl group having 5 to 18 carbon atoms, more preferably a branched alkyl group having 6 to 14 carbon atoms, and even more preferably a branched alkyl group having 7 to 10 carbon atoms.
In the general formula (1), the number of carbon atoms in R ² is 1 to 18, preferably 5 to 18, more preferably 6 to 14, and even more preferably 7 to 10. R ² is preferably a branched alkyl group having 1 to 18 carbon atoms, more preferably a branched alkyl group having 5 to 18 carbon atoms, even more preferably a branched alkyl group having 6 to 14 carbon atoms. Particularly preferred are 7 to 10 branched alkyl groups.
Preferably, R ¹ and R ² are the same.

In the general formula (1), A ¹ and A ² are each independently an alkylene group having 2 to 4 carbon atoms. That is, (OA ¹ ) and (A ² O) are each one of EO (oxyethylene group), PO (oxypropylene group), and BO (oxybutylene group). The number of carbon atoms in each of A ¹ and A ² is preferably 2 to 3. That is, (OA ¹ ) and (A ² O) are each preferably EO or PO.
n is a number from 0 to 6 indicating the average number of repeats of OA ¹ (ie, average number of moles of propylene oxide added), preferably a number from 0 to 3, and more preferably 0.
m is a number from 0 to 6 indicating the average repeating number of A ² O (ie, average number of added moles of ethylene oxide), preferably a number from 0 to 3, and more preferably 0.
When n and m are greater than 0, (OA ¹ ) _n and (A ² O) _m may each have a repeating structure of only EO, PO, or BO, or may have a mixed arrangement of two or more of EO, PO, and BO. You may do so. When two or more of EO, PO, and BO are mixed, they may be mixed randomly or in blocks.

In general formula (1), M _a ⁺ is a cation and has a valence of X. M _a ⁺ may be an inorganic cation or an organic cation.
M _a ⁺ includes inorganic cations such as hydrogen ions, alkali metal ions (e.g. sodium ions, potassium ions, etc.), alkaline earth metal ions (e.g. calcium ions, magnesium ions, etc.), ammonium ions; alkanolamine ions ( Examples include organic cations such as monoethanolamine ion, diethanolamine ion, triethanolamine ion, etc.).
As M _a ⁺ , sodium ions, potassium ions, and magnesium ions are preferable.

As the component (a2), for example, sulfosuccinic acid dioctyl ester or its salt, sulfosuccinic acid dicyclohexyl ester or its salt, sulfosuccinic acid didodecyl ester or its salt, sulfosuccinic acid ditridecyl ester or its salt, sulfosuccinic acid ditetradecyl ester or its salt, etc. salt, sulfosuccinic acid monodecyl isopentyl ester or its salt, polyoxyethylene alkyl (C12-14) ether sulfosuccinate or its salt, polyoxyethylene 2-ethylhexyl ether sulfosuccinate or its salt, polyoxyethylene dodecyl ether sulfosuccinate Acid ester or its salt, polyoxyethylene tridecyl sulfosuccinate or its salt, polyoxyethylene tetradecyl sulfosuccinate or its salt, polyoxyethylene pentadecyl sulfosuccinate or its salt, polyoxyethylene hexadecyl sulfosuccinate ester or its salts. Among these, dioctyl sulfosuccinate or a salt thereof is preferred, and di-2-ethylhexyl sodium sulfosuccinate is particularly preferred.

Component (a2) may be used alone or in an appropriate combination of two or more.
The content of component (a2) is preferably 3 to 10% by mass, more preferably 3 to 7% by mass, based on the total mass of the dishwashing detergent. If the content of component (a2) is within the above range, the cleaning power during soaking cleaning will be further enhanced, and the cleaning component will be quickly dispersed during rinsing, so that the time required for soaking cleaning can be further shortened.

Further, the total content of components (a1) and (a2) is 8 to 25% by mass, preferably 13 to 21% by mass, based on the total mass of the dishwashing detergent. If the total content of components (a1) and (a2) is within the above range, the cleaning power during soaking cleaning will be higher, and the cleaning ingredients will be quickly dispersed during rinsing, so the time required for soaking cleaning will be longer. can be further shortened.

((a3) component)
Component (a3) is a polyoxyalkylene alkyl ether sulfate or a salt thereof.
Examples of the polyoxyalkylene alkyl ether sulfate or its salt include a compound represented by the following general formula (2).
R ³ -O-[(PO) _p /(EO) _q ]-SO ₃ ^- 1/X・M _b ⁺ ...(2)
(In general formula (2), R ³ is a linear or branched alkyl group having 8 to 18 carbon atoms, and the carbon atom bonded to the oxygen atom is a primary carbon atom. PO is represents an oxypropylene group, EO represents an oxyethylene group, p is a number greater than or equal to 0 and less than 1 indicating the average number of repeats of PO, and q is a number greater than 0 and less than 4 indicating the average number of repeats of EO. (M _b ⁺ is a cation other than a hydrogen ion, and X is the valence of M _b ⁺ .)

In the general formula (2), R ³ has 8 to 18 carbon atoms, preferably 10 to 14 carbon atoms, and more preferably 12 to 14 carbon atoms. R ³ is preferably an alkyl group derived from an oil or fat raw material from the viewpoint of detergency and environment. Suitable oil and fat raw materials include palm kernel oil, coconut oil, and the like.

p is a number of 0 or more and less than 1 indicating the average number of PO repeats (ie, the average number of added moles of propylene oxide).
q is a number greater than 0 and less than or equal to 4 indicating the average number of repeats of EO (ie, the average number of added moles of ethylene oxide), and is preferably from 1 to 3.
When p is greater than 0, in (PO) _p /(EO) _q , EO and PO may be added randomly or in blocks, and the arrangement state does not matter.

In general formula (2), M _b ⁺ is a cation other than a hydrogen ion, and has a valence of X. M _a ⁺ may be an inorganic cation or an organic cation.
Examples of M _b ⁺ include inorganic cations such as alkali metal ions (e.g., sodium ions, potassium ions, etc.), alkaline earth metal ions (e.g., calcium ions, magnesium ions, etc.), and ammonium ions; alkanolamine ions (e.g., monoethanol, etc.); Examples include organic cations such as amine ions, diethanolamine ions, triethanolamine ions, etc.).

Component (a3) includes, for example, polyoxyethylene (1) linear alkyl (C12) ether sulfate ester sodium salt, polyoxyethylene (2) linear alkyl (C12) ether sulfate ester sodium salt, polyoxyethylene (4) Straight chain alkyl (C12) ether sulfate ester sodium salt, polyoxypropylene (0.4) polyoxyethylene (1.5) straight chain alkyl (C12) ether sulfate ester sodium salt, polyoxyethylene (1) straight chain alkyl ( C12/14=75/25; derived from natural fats and oils) ether sulfate ester sodium salt, polyoxyethylene (2) straight chain alkyl (C12/14=75/25; derived from natural fats and oils) ether sulfate ester sodium salt, polyoxyethylene ( 4) Straight chain alkyl (C12/14 = 75/25; derived from natural fats and oils) ether sulfate ester sodium salt, polyoxypropylene (0.4) polyoxyethylene (1.5) straight chain alkyl (C12/14 = 75/ 25; derived from natural fats and oils) ether sulfate ester sodium salt, etc.
Here, for example, "polyoxyethylene (1)" means that the average number of repeating oxyethylene groups is 1 (the average number of added moles of ethylene oxide is 1).
"C12/14=75/25; derived from natural fats and oils" means a mixture of one having a straight-chain alkyl group having 12 carbon atoms and one having a straight-chain alkyl group having 14 carbon atoms (mixing ratio: mass ratio). 75/25), meaning that it is a linear alkyl group derived from natural oils and fats.

Component (a3) has a linear or branched alkyl group having 8 to 18 carbon atoms and has an average of 1 to 4 moles of oxyethylene group (EO) added, and an average of 0 mole or more and less than 1 mole. oxypropylene groups (PO) (ie, polyoxyethylene (propylene) alkenyl ether sulfates) are preferred.

Component (a3) may be used alone or in an appropriate combination of two or more.
The content of component (a3) is preferably 1 to 10% by mass, more preferably 1 to 5% by mass, based on the total mass of the dishwashing detergent. If the content of the component (a3) is within the above range, the cleaning power during soaking and cleaning will be further enhanced, and the foam cutting performance will be further improved, so that the time required for soaking and cleaning can be further shortened.

Further, the total content of components (a2) and (a3) is preferably 4 to 20% by mass, more preferably 4 to 11% by mass or more, based on the total mass of the dishwashing detergent. If the total content of components (a2) and (a3) is within the above range, the cleaning power during soaking cleaning will be higher, and the cleaning ingredients will be quickly dispersed during rinsing, so the time required for soaking cleaning will be longer. can be further shortened.

((a4) component)
Component (a4) is an anionic surfactant other than component (a1), component (a2), and component (a3).
Other anionic surfactants include, for example, linear alkylbenzenesulfonic acids or salts thereof, alkanesulfonic acids having an alkyl group or salts thereof, α-sulfo fatty acid esters or salts thereof, linear or branched alkyl sulfates. or its salt, alkyl ether carboxylic acid or its salt, polyoxyalkylene ether carboxylic acid or its salt, alkyl amide ether carboxylic acid or its salt, alkenyl amide ether carboxylic acid or its salt, acylaminocarboxylic acid or its salt, alkyl phosphorus Examples include acid esters or salts thereof, polyoxyalkylene alkyl phosphates or salts thereof, polyoxyalkylene alkyl phenyl phosphates or salts thereof, glycerin fatty acid ester monophosphates or salts thereof.
Examples of the salt form of these anionic surfactants include alkali metal salts such as sodium and potassium; alkaline earth metal salts such as magnesium; and alkanolamine salts such as monoethanolammonium and diethanolammonium.

Component (a4) may be used alone or in an appropriate combination of two or more.
The content of component (a4) is preferably 1 to 10% by mass, more preferably 1 to 5% by mass, based on the total mass of the dishwashing detergent. If the content of the component (a4) is within the above range, the cleaning power during soaking and cleaning will be further enhanced, and the foam cutting performance will be further improved, so that the time required for soaking and cleaning can be further shortened.

<(B) component>
Component (B) is a sulfobetaine type amphoteric surfactant.
Sulfobetaine type amphoteric surfactants include, for example, N-alkyl-N,N-dimethyl-N-sulfopropylammonium sulfobetaine, N-alkyl-N,N-dimethyl-N, in which the alkyl group has 10 to 18 carbon atoms. -(2-hydroxysulfopropyl)ammonium sulfobetaine; N-alkanoylaminopropyl-N,N-dimethyl-N-sulfopropylammonium sulfobetaine, N-alkanoylaminopropyl-N, where the alkanoyl group has 10 to 18 carbon atoms; Examples include N-dimethyl-N-(2-hydroxysulfopropyl)ammonium sulfobetaine.

Component (B) may be used alone or in an appropriate combination of two or more.
The content of component (B) is 5 to 15% by mass, preferably 6 to 12% by mass, based on the total mass of the dishwashing detergent. If the content of component (B) is within the above range, the foam removal properties will be improved, and the time required for soaking and cleaning can be shortened. In particular, when the content of component (B) is equal to or higher than the above lower limit, the detergency during cleaning after soaking is enhanced and sliminess can be suppressed.
In addition, when the dishwashing detergent contains the component (C) shown below, if the content of the component (B) is within the above range, the enzyme stability will improve, so the enzyme activity will increase during storage of the dishwashing detergent. is less likely to decrease. Therefore, even if the dishwashing detergent after storage is used for soaking and washing, the detergency can be maintained well.

Further, the total content of component (a2) and component (B) is preferably 8% by mass or more, more preferably 10% by mass or more based on the total mass of the dishwashing detergent. If the total content of component (a2) and component (B) is equal to or higher than the above lower limit, the foam removal properties will further improve, and the time required for soaking and cleaning can be further shortened.
The total content of component (a2) and component (B) is preferably 25% by mass or less based on the total mass of the dishwashing detergent.

<(C) component>
Component (C) is an enzyme. Here, "enzyme" means an enzyme preparation.
Component (C) includes at least one of the following components (c1) and (c2). Component (C) may further contain component (c3) shown below, if necessary.
(c1) Component: Protease.
(c2) Component: amylase.
(c3) Component: Enzyme other than the (c1) component and (c2) component.

It is preferable that component (C) contains component (c1) and component (c2) from the viewpoint of further increasing the detergency during cleaning after soaking.

The content of component (C) is preferably 0.1 to 3% by mass, more preferably 0.1 to 1% by mass, and even more preferably 0.2 to 1% by mass based on the total mass of the dishwashing detergent. . If the content of component (C) is more than the above lower limit value, the cleaning power during soaking cleaning will be higher, and if it is below the above upper limit value, sliminess during soaking cleaning can be further suppressed. The time required can be further reduced.

((c1) component)
Component (c1) is protease.
The protease is preferably a protease having serine, histidine, and aspartic acid in the molecule, such as serine protease.
Generally, preparations containing protease (protease preparations) are commercially available. Examples of protease preparations include those available from Novozymes under the trade names Savinase 16L, Savinase Ultra 16L, Savinase Ultra 16XL, Everlase 16L TypeEX, Everlase Ultra 16L, Esperase 8L, Alc. alcalase 2.5L, Alcalase Ultra 2.5L, Liquanase 2.5L, Liquanase Ultra 2.5L, Liquanase Ultra 2.5XL, Coronase 48L; product names such as Purafect L, Purafect OX, and Properase L available from Genencore.

Component (c1) may be used alone or in an appropriate combination of two or more.
The content of component (c1) is preferably 0.1 to 2% by mass, more preferably 0.1 to 1% by mass, and 0.1 to 0.6% by mass based on the total mass of the dishwashing detergent. is even more preferable. If the content of the component (c1) is equal to or higher than the above lower limit, the cleaning power during soaking and cleaning will be further enhanced, so that the time required for soaking and cleaning can be further shortened. When the content of the component (c1) is at most the above upper limit, liquid stability is excellent and an increase in manufacturing costs can be suppressed.

((c2) component)
Component (c2) is amylase.
Generally, preparations containing amylase (amylase preparations) are commercially available. As amylase preparations, for example, termamyl 300L, Termamyl Ultra 300L, Duramyl 300L, Stainzyme 12L, Stainzyme Plus 12L available from Novozymes; Maxamyl available from Genencore; Amano Enzyme Product name Pullulanase Amano available from Co., Ltd. ; Trade name DB-250 available from Seikagaku Corporation.

Component (c2) may be used alone or in an appropriate combination of two or more.
The content of component (c2) is preferably 0.1 to 1% by mass, more preferably 0.1 to 0.8% by mass, and 0.1 to 0.6% by mass based on the total mass of the dishwashing detergent. Mass % is more preferred. (c2) If the content of the component is more than the above lower limit value, the cleaning power during soaking cleaning will be higher, and if it is below the above upper limit value, the sliminess during soaking cleaning can be further suppressed. The time required can be further reduced.

((c3) component)
Component (c3) is an enzyme other than component (c1) and component (a2).
Other enzymes include, for example, lipase, cellulase, mannanase, and the like.
Generally, preparations containing lipase (lipase preparations) are commercially available. Examples of lipase preparations include Lipex 100L, Lipolase 100L, and the like available from Novozymes.
Generally, preparations containing cellulase (cellulase preparations) are commercially available. Examples of cellulase preparations include Carezyme 4500L (trade name, manufactured by Novozymes), Carezyme Premium 4500L (trade name, manufactured by Novozymes), Endrase 5000L (trade name, manufactured by Novozymes), and Cell Clean 4500T (trade name, manufactured by Novozymes). (manufactured by).
Generally, preparations containing mannanase (mannanase preparations) are commercially available. Examples of mannanase preparations include Mannaway 4L (trade name) available from Novozymes.

Component (c3) may be used alone or in an appropriate combination of two or more.
The content of component (c3) is preferably 0.1 to 1% by mass, more preferably 0.1 to 0.8% by mass, and 0.1 to 0.6% by mass based on the total mass of the dishwashing detergent. Mass % is more preferred. (c3) If the content of the component is more than the above lower limit value, the cleaning power during soaking cleaning will be enhanced against various stains, and if it is below the above upper limit value, the sliminess during soaking cleaning will be further suppressed. Therefore, the time required for soaking and cleaning can be further shortened.

<(D) component>
Component (D) is an amine oxide type surfactant.
Examples of amine oxide type surfactants include alkyl amine oxides, alkanoylamide alkyl amine oxides, and the like.
As the amine oxide type surfactant, a compound represented by the following general formula (3) is preferable.
R ⁴ -(B) _r -N(-R ⁵ )(-R ⁶ )→O...(3)
(In general formula (3), R ⁴ is a straight chain or branched alkyl group having 8 to 18 carbon atoms or a straight chain or branched alkenyl group having 8 to 18 carbon atoms, and R ⁵ and R ⁶ are each They are independently an alkyl group having 1 to 3 carbon atoms or a hydroxyalkyl group having 1 to 3 carbon atoms, and B is -C(=O)-NH-R ⁷ -, -NH-C(=O)-R ⁷ -, -C(=O)-O-R ⁷ -, -O-C(=O)-R ⁷ - or -O-R ⁷ -, and R ⁷ is an alkylene group having 1 to 4 carbon atoms. , r is a number of 0 or 1.)

In the general formula (3), R ⁴ has 8 to 18 carbon atoms, preferably 10 to 14 carbon atoms. R ⁴ is preferably a linear or branched alkyl group having 8 to 18 carbon atoms.
In general formula (3), R ⁵ and R ⁶ are each preferably an alkyl group having 1 to 3 carbon atoms, more preferably a methyl group, and even more preferably both R ⁵ and R ⁶ are a methyl group.
In general formula (3), B is preferably -C(=O)-NH-R ⁷ -.
In general formula (3), r is a number of 0 or 1, and 0 is preferable.

Examples of the compound represented by the general formula (3) include alkyl dimethyl amine oxides such as lauryl dimethyl amine oxide (n-dodecyl dimethyl amine oxide), coconut alkyl dimethyl amine oxide, lauryl diethyl amine oxide, and myristyl dimethyl amine oxide; lauric acid Examples include alkanoylamide alkyldimethylamine oxide such as amidopropyldimethylamine oxide. Among these, lauryl dimethyl amine oxide, coconut dimethyl amine oxide, lauryl diethyl amine oxide, and lauric acid amidopropyl dimethyl amine oxide are preferred, and lauryl dimethyl amine oxide is more preferred, since the effects of the present invention can be particularly easily obtained.

Component (D) may be used alone or in an appropriate combination of two or more.
The content of component (D) is preferably 3% by mass or less, more preferably 1% by mass or less, based on the total mass of the dishwashing detergent, and the dishwashing detergent does not substantially contain component (D). It is even more preferable. Component (D) tends to form a strong complex with component (A). Formation of a composite may worsen foam removal during rinsing. If the content of component (D) is below the above upper limit, the foam removal property during soaking and washing can be maintained well, so that the effect of shortening the time required for soaking and washing can be sufficiently obtained.

<Optional ingredients>
The dishwashing agent may contain optional components other than the above-mentioned components, as necessary, within a range that does not impair the effects of the present invention.
Optional components are appropriately selected in consideration of the dosage form and the like. Optional components include components commonly used in dishwashing detergents, specifically, solvents, surfactants other than component (A), component (B), and component (D), and hydrotropes. agents, preservatives, pH adjusters, metal scavengers, bleaching ingredients, radical trapping agents, fragrances, pigments, etc.

As a solvent, water; ethanol, isopropyl alcohol, ethylene glycol, propylene glycol, diethylene glycol, dipropylene glycol, glycerin, isoprene glycol, propylene glycol monomethyl ether, propylene glycol monoethyl ether, 3-methyl-3-methoxybutanol, phenoxyethanol, Examples include organic solvents such as phenyl glycol, phenoxyisopropanol, butyl diglycol (diethylene glycol monobutyl ether), dibutylene diglycol, and benzyl alcohol.
Water is preferred as the solvent. Using water as a solvent makes it easier to prepare dishwashing detergents. In addition, it has better solubility in water when used in dishwashing detergents.
As water, ion exchange water, distilled water, tap water, etc. can be used.
The content of water is preferably 85% by mass or less, more preferably 40 to 85% by mass, and even more preferably 50 to 80% by mass, based on the total mass of the dishwashing detergent. If the water content is at least the above lower limit, gelation will be suppressed and the uniformity of the liquid will increase. When the water content is below the above upper limit, the content of each component can be ensured, the viscosity does not become too low, and the usability is excellent.

Examples of other surfactants include nonionic surfactants and cationic surfactants.
Examples of nonionic surfactants include polyoxyalkylene-added nonionic surfactants represented by the following general formula (4), nonionic surfactants represented by the following general formula (5), alkyl glycosides, and sorbitan. Examples include fatty acid esters. Among these, polyoxyalkylene (carbon number 2-3) alkyl (carbon number 10-18) ether (average number of added moles of alkylene oxide 5-20) is preferred.
One type of nonionic surfactant may be used alone, or two or more types may be used in an appropriate combination.
R ⁸ -O-(R ⁹ O) _s -H...(4)
(In general formula (4), R ⁸ is a linear or branched hydrocarbon group having 10 to 18 carbon atoms, R ⁹ is a hydrocarbon group having 1 to 3 carbon atoms, and s is (R ⁹ O ) is a number from 1 to 10 indicating the average number of repetitions.)
R ¹⁰ -C(=O)-NH-(R ¹¹ O) _t -H...(5)
(In the general formula (5), R ¹⁰ is a linear or branched alkyl group having 5 to 19 carbon atoms, or a linear or branched alkenyl group having 5 to 19 carbon atoms, and R ¹¹ is a linear or branched alkenyl group having 2 to 19 carbon atoms. -4 linear or branched alkylene group, and t is a number from 1 to 10 indicating the average number of repeats of (R ¹¹ O).)

Examples of cationic surfactants include caprylic acid dimethylaminopropylamide, capric acid dimethylaminopropylamide, lauric acid dimethylaminopropylamide, myristate dimethylaminopropylamide, palmitic acid dimethylaminopropylamide, stearic acid dimethylaminopropylamide, Long chain aliphatic amide alkyl tertiary amines such as behenic acid dimethylaminopropylamide and oleic acid dimethylaminopropylamide or their salts; aliphatic ester alkyl tertiary amines such as palmitate ester propyl dimethylamine and stearate ester propyl dimethylamine or a salt thereof; examples include palmitic acid diethanolaminopropylamide and stearic acid diethanolaminopropylamide. Among these, caprylic acid dimethylaminopropylamide, capric acid dimethylaminopropylamide, lauric acid dimethylaminopropylamide, myristic acid dimethylaminopropylamide, palmitic acid dimethylaminopropylamide, stearic acid dimethylaminopropylamide, and behenic acid dimethylaminopropylamide. Examples include propylamide, oleic acid dimethylaminopropylamide, or a salt thereof.
One type of cationic surfactant may be used alone, or two or more types may be used in an appropriate combination.

Examples of the hydrotrope include paratoluenesulfonic acid, paratoluenesulfonate, cumenesulfonic acid, cumenesulfonate, benzoic acid, benzoate, and the like.
One type of hydrotrope may be used alone, or two or more types may be used in an appropriate combination.

Examples of the preservative include isothiazoline compounds such as benzisothiazolinone, methylisothiazolinone, butylbenzisothiazolinone, chloromethylisothiazolinone, octylisothiazolinone, and dichlorooctylisothiazolinone.
The preservatives may be used alone or in an appropriate combination of two or more.
The content of the preservative is preferably 0.0002 to 0.01% by mass (2 to 100ppm), more preferably 0.0005 to 0.004% by mass (5 to 40ppm) based on the total mass of the dishwashing detergent. preferable.

Examples of the pH adjuster include hydrochloric acid, sulfuric acid, phosphoric acid, glycolic acid, citric acid, sodium hydroxide, potassium hydroxide, monoethanolamine, diethanolamine, triethanolamine, and the like.
One type of pH adjuster may be used alone, or two or more types may be used in an appropriate combination.

The total content of all surfactants contained in the dishwashing detergent (total surfactant amount) is preferably 12.5 to 40% by mass, and 20 to 40% by mass based on the total mass of the dishwashing detergent. % is more preferable, and 25 to 30% by mass is even more preferable. If the total amount of surfactant is more than the above lower limit value, the cleaning power during soaking cleaning will be more likely to increase, and if it is below the above upper limit value, it will be easier to suppress sliminess during soaking cleaning, so It is easier to shorten the time required for cleaning.
Further, the total content of all components contained in the dishwashing detergent shall be 100% by mass.

<Mass ratio>
The mass ratio represented by component (a1)/component (a2) (hereinafter also referred to as "a1/a2 ratio") is preferably 1 to 5, more preferably 3 to 5. If the a1/a2 ratio is above the above lower limit value, the foam removal property during soaking cleaning will be further improved, and if it is below the above upper limit value, the cleaning power during soaking cleaning will be further enhanced, which is required for soaking cleaning. Time can be further reduced.

The mass ratio represented by component (a2)/component (a3) (hereinafter also referred to as "a2/a3 ratio") is preferably 1 to 10, more preferably 3 to 8. If the a2/a3 ratio is above the above lower limit value, the cleaning power during soaking cleaning will be higher, and if it is below the above upper limit value, sliminess during soaking cleaning can be further suppressed, so the time required for soaking cleaning. can be further shortened.

The mass ratio represented by component (A)/component (B) (hereinafter also referred to as "A/B ratio") is 0.5 to 5, preferably 1 to 5, and more preferably 1 to 3. When the A/B ratio is within the above range, the cleaning power during soaking cleaning increases and the foam removal property improves, so that the time required for soaking cleaning can be shortened.

The mass ratio represented by component (a2)/component (B) (hereinafter also referred to as "a2/B ratio") is preferably 0.2 to 0.5, more preferably 0.3 to 0.5, More preferably 0.4 to 0.5. If the a2/B ratio is equal to or higher than the above lower limit value, the cleaning power during pre-soak cleaning will be increased, and if it is below the above upper limit value, the sliminess during pre-soak cleaning can be further suppressed, so the time required for pre-soak cleaning. can be further shortened.

The mass ratio represented by component (B)/component (C) (hereinafter also referred to as "B/C ratio") is preferably 8 to 2, more preferably 8 to 15. When the B/C ratio is within the above range, the enzyme stability is improved, so that the enzyme activity is less likely to decrease during storage of the dishwashing detergent. Therefore, even if the dishwashing detergent after storage is used for soaking and washing, the detergency can be maintained well. Furthermore, if the B/C ratio is above the above lower limit value, the cleaning power during soaking cleaning will be higher, and if it is below the above upper limit value, sliminess during soaking washing can be further suppressed, so it is suitable for soaking washing. The time required can be further reduced.

<Manufacturing method>
For example, dishwashing detergents can be made by adding components other than a pH adjuster to a portion of water, which is a solvent, mixing them, adjusting the pH to a desired value with a pH adjuster as needed, and then removing the remainder of the water. It can be produced by adding

<pH>
The pH of the dishwashing detergent at 25° C. is preferably 6 to 9, more preferably 6 to 8.
In the present invention, the pH (25° C.) of the dishwashing agent indicates a value measured by a method based on JIS Z 8802:1984.
The pH of the dishwashing detergent may be adjusted using the above-mentioned pH adjuster.

<How to use>
A method of using the dishwashing agent, that is, a method of washing dishes, will be explained below.
A method for washing dishes is a non-immersion method (scrubbing cleaning) in which a desired amount of dishwashing detergent is applied to a cleaning tool such as a sponge, the object to be cleaned is scrubbed using this cleaning tool, and then rinsed with water. An example of this method is a method in which a dishwashing agent is dispersed in water to form a cleaning liquid, the object to be cleaned is soaked in this cleaning liquid, and the object is left to stand for a certain period of time and then rinsed with water (dip cleaning). In soaking cleaning, the object to be cleaned may be rubbed with a cleaning tool in the cleaning liquid, if necessary.
The dishwashing agent of the present invention can be suitably used in both methods of scrubbing and soaking, but is particularly suitable for washing dishes by soaking.

Examples of objects to be cleaned include tableware such as plates, chopsticks, and spoons. Moreover, the objects to be cleaned may be kitchen utensils such as cooking utensils such as pots, knives, and cutting boards. In the present invention, tableware and cooking utensils are collectively referred to as "tableware."

<Effect>
The dishwashing agent of the present invention described above contains component (A) and a specific amount of component (B) in a specific mass ratio, so it has excellent detergency and foam removal during soaking cleaning, and has no slimy texture. can be reduced. Therefore, by using the dishwashing agent of the present invention, the time required for soaking and washing can be shortened.
In particular, when the dishwashing detergent contains component (C) (enzyme), the enzyme stability is improved, so that the enzyme activity is less likely to decrease during storage of the dishwashing detergent. Therefore, even if the dishwashing detergent after storage is used for soaking and washing, the detergency can be maintained well.

EXAMPLES Hereinafter, the present invention will be explained in detail with reference to Examples, but the present invention is not limited to the following description. The amounts of the components used in each example are pure equivalent values unless otherwise specified.

"Raw materials used"
The following compounds were used as component (A).
- a1-1: Sodium α-olefin sulfonate (AOS) having 14 carbon atoms (manufactured by Lion Specialty Chemicals Co., Ltd., trade name "Liporan LB-440").
・a1-2: Inner olefin sulfonate synthesized by the method described in Example 4 of JP-A No. 2003-81935 (the total proportion of carbon-carbon double bonds at the 2-position is 86%, cis The isomer/trans isomer ratio is 49/51, contains 6.3% by mass of paraffin components, contains 16 or less carbon atoms: 1% by mass, 14% by mass has 17 carbons, 35% by mass has 18 carbons, and has 19 carbons. Sodium internal olefin sulfonate obtained by sulfonating an internal olefin mixture consisting of 28% by mass of carbon atoms, 19% by mass of carbon atoms with 20 carbon atoms, and 3% by mass of carbon atoms with 21 or more carbon atoms, and then neutralizing and hydrolyzing with sodium hydroxide ( IOS)).
・a2-1: Di-2-ethylhexyl sodium sulfosuccinate, in the above general formula (1), R ¹ = branched alkyl group having 8 carbon atoms (2-ethylhexyl group), R ² = branched chain having 8 carbon atoms alkyl group (2-ethylhexyl group), n = 0, m = 0, M _a ⁺ = sodium ion (manufactured by Lion Specialty Chemicals Co., Ltd., trade name "Lipar 870P").
・a3-1: Sodium polyoxyethylene alkyl ether sulfate (AES), in the above general formula (2), R ³ = straight chain alkyl group having 12 carbon atoms (C12) and straight chain alkyl group having 14 carbon atoms ( C14) (C12/C14=75%/25%, mass ratio), p=0, q=1, M _b ⁺ =sodium ion, synthesized by the following synthesis method.
・a3-2: After adding 0.4 moles of propylene oxide and 1.5 moles of ethylene oxide to a natural alcohol whose alkyl chain has 12 carbon atoms and 14 carbon atoms = 73:27 (mass ratio), sulfur trioxide is added. Sodium polyoxypropylene polyoxyethylene alkyl ether sulfate (APES) obtained by sulfating with and neutralizing with sodium hydroxide (neutralized until pH 11 after diluting 10% with water), the above general formula (2), R ³ = linear alkyl group having 12 carbon atoms (C12) and linear alkyl group having 14 carbon atoms (C14) (C12/C14=73%/27%, mass ratio), p= 0.4, q=1.5, M _b ⁺ = sodium ion.

(Synthesis method of a3-1)
In a 4 L autoclave, 400 g of P&G's product name "CO1270 alcohol (C12/C14 = 75%/25%, mass ratio)" as raw material alcohol and 0.8 g of potassium hydroxide as a reaction catalyst were charged, and the autoclave was heated. After replacing the inside with nitrogen, the temperature was raised while stirring. Subsequently, 91 g of ethylene oxide was introduced and reacted while maintaining the temperature at 180° C. and the pressure at 0.3 MPa or less. The average number of moles of ethylene oxide added to the obtained polyoxyalkylene ether was 1.
Next, 237 g of the obtained polyoxyalkylene ether ethylene oxide was placed in a 500 mL flask equipped with a stirrer, and the flask was purged with nitrogen, and then 96 g of liquid sulfuric anhydride (sulfan) was slowly added dropwise while maintaining the reaction temperature at 40°C. After completion of the dropwise addition, stirring was continued for 1 hour (sulfation reaction) to obtain polyoxyethylene alkyl ether sulfuric acid.
Next, a3-1 was obtained by neutralizing the obtained polyoxyethylene alkyl ether sulfuric acid with an aqueous sodium hydroxide solution.

The compounds shown below were used as the component (B) and its substitute (component (B')).
- B-1: N-lauryl-N,N-dimethyl-N-(2-hydroxysulfopropyl) ammonium sulfobetaine (manufactured by Kao Corporation, trade name "Amhitol 20HD").
- B'-1: Lauramidopropylcarbobetaine (manufactured by Kao Corporation, trade name "Amhitol 20AB").

As component (C), the following compounds were used.
- C-1: Mixed product of protease and amylase (protease/amylase = 4/1, mass ratio) (Novozymes Japan Co., Ltd., trade name "MedleyCore210L").

The compound shown below was used as component (D).
・D-1: lauryl dimethylamine oxide (AX), in the above general formula (3), R ⁴ = linear alkyl group having 12 carbon atoms (lauryl group), R ⁵ = methyl group, R ⁶ = methyl group, r = 0 (manufactured by Lion Specialty Chemicals Co., Ltd., product name "Cadenax DM12D-W").

The following compounds were used as optional components.
・Ethanol: Manufactured by Nippon Alcohol Sales Co., Ltd.
-pTS-H: para-toluenesulfonic acid (manufactured by Kanto Kagaku Co., Ltd.).
・Citric acid: Manufactured by Fuso Chemical Industry Co., Ltd.
・Water: Distilled water.

"Examples 1 to 22, Comparative Examples 1 to 6"
<Preparation of dishwashing detergent>
1000 g of dishwashing detergent having the composition shown in Tables 1 to 5 was prepared according to the following procedure.
Put component (A), component (B), component (D), any components other than water, and water (80% of the total water) into a 1L beaker, and stir using a magnetic stirrer (manufactured by Fine, trade name). "F-606N") was thoroughly stirred. Next, after adding an appropriate amount of a pH adjuster as necessary so that the pH at 25°C is 5.5, component (C) is added, and the remaining water is added so that the total amount is 100% by mass. was added and further stirred to obtain a dishwashing detergent. Note that distilled water was used as water. At least one of sodium hydroxide and sulfuric acid was used as the pH adjuster.
To determine the pH (25°C) of the dishwashing detergent, adjust the temperature of the dishwashing detergent to 25°C, and use a glass electrode pH meter (manufactured by Toa DKK Co., Ltd., product name "HM-30G") to measure the pH of the dishwashing detergent. The sample was directly immersed in a dishwashing detergent, and the pH was measured after 1 minute had elapsed. The measurement method was based on JIS Z 8802:1984 "pH measurement method".
The dishwashing detergents obtained in each example were evaluated for foam removal properties, sliminess, and detergency during soaking and cleaning in the following manner. The results are shown in Tables 1 to 5.

<Evaluation>
(Evaluation of foam breakability)
Commercially available pasta sauce (manufactured by Nisshin Seifun Group Inc., product name ``Ma Ma Milk Carbonara'') is diluted with tap water at a mass ratio of water:pasta sauce = 8:2, and mixed with oil. It was made into a composite stain of starch and protein.
Spread 30g of the composite stain evenly on an aluminum pot (diameter 18cm x height 8cm, manufactured by Pearl Metal Co., Ltd., product name "H-2432"), and heat it on an IH hot plate at 160℃ for 20 minutes to fix it. I let it happen.
The dishwashing detergent was diluted with 25° C. tap water to prepare a washing liquid containing 3% by mass of the dishwashing detergent. 500 mL of the cleaning solution was poured into the pot to which the composite stain had adhered, and the mixture was left for 20 minutes. After that, use the washing liquid in the pot to lather a dishwashing sponge (length 11.5 cm x width 7.5 cm x height 3 cm, manufactured by 3M Japan Co., Ltd., product name "Scotch Brite") 10 times, and drain the foamed liquid. After pouring into the mouth, 100 mL of 25° C. tap water in a 100 mL beaker was poured at 10 second intervals, and the number of times the water was poured until the bubbles disappeared was measured, and the bubble breakability was evaluated based on the following criteria. An evaluation score of 3 or more is considered a pass.
≪Evaluation criteria≫
5 points: The number of times until the bubble pool disappears is less than 16 times.
4 points: The number of times the bubble pool disappears is 16 or more and less than 21 times.
3 points: The number of times the bubble pool disappears is 21 or more and less than 26 times.
2 points: The number of times it takes for the bubble pool to disappear is 26 or more and less than 31 times.
1 point: The number of times it takes for the bubble pool to disappear is 31 or more times.

(Evaluation with null)
The dishwashing detergent was diluted with 25° C. tap water to prepare a washing liquid containing 3% by mass of the dishwashing detergent. 1 L of cleaning liquid was poured into a clean aluminum pot (diameter 18 cm x height 8 cm, manufactured by Pearl Metal Co., Ltd., trade name "H-2432") and left for 20 minutes. Thereafter, the bottom of the pot was rubbed 10 times with a finger, and the degree of sliminess was evaluated using the following evaluation criteria. In this evaluation method, five professional evaluators performed the evaluation, and the evaluation scores of each evaluator were averaged. An average score of 3 or more is considered a pass.
≪Evaluation criteria≫
5 points: Not sticky at all.
4 points: Almost no slippage.
3 points: Not very smooth.
2 points: Slightly dull.
1 point: Null.

(Cleaning power evaluation 1: before storage)
Commercially available pasta sauce (manufactured by Nisshin Seifun Group Inc., product name ``Ma Ma Milk Carbonara'') is diluted with tap water at a mass ratio of water:pasta sauce = 8:2, and mixed with oil. It was made into a composite stain of starch and protein.
Spread 30g of the composite stain evenly on an aluminum pot (diameter 18cm x height 8cm, manufactured by Pearl Metal Co., Ltd., product name "H-2432"), and heat it on an IH hot plate at 160℃ for 20 minutes to fix it. I let it happen.
The dishwashing detergent was diluted with 25° C. tap water to prepare a washing liquid containing 3% by mass of the dishwashing detergent. 1 L of cleaning liquid was poured into the pot to which the composite stain had adhered, and was left for 20 minutes. After that, after lightly rubbing the entire bottom of the pot once with a dishwashing sponge (length 11.5 cm x width 7.5 cm x height 3 cm, manufactured by 3M Japan Ltd., product name "Scotch Brite") soaked in water, Rinse the pot with water. Selected inspectors visually checked the amount of dirt remaining on the bottom of the pot and evaluated the cleaning power based on the following criteria. An evaluation score of 3 or more is considered a pass.
≪Evaluation criteria≫
5 points: No stains left on the bottom of the pot.
4 points: The entire bottom of the pot is clean, but if you look closely, you can see very slight dirt.
Point 3: The entire bottom of the pot is clean, but there are some stains.
2 points: Adhesion of dirt is clearly observed on less than half of the area of the bottom of the pot.
1 point: Dirt is clearly observed on more than half the area of the bottom of the pot.

(Cleaning power evaluation 2: after storage)
100 g of the dishwashing detergent was filled into a glass bottle with a lid and stored at 35° C. for 4 weeks.
The detergency was evaluated in the same manner as in Detergency Evaluation 1, except that the dishwashing detergent after storage was used. An evaluation score of 3 or more is considered a pass.

In Tables 1 to 5, "balance" is the amount of water (mass %) necessary to make the entire dishwashing detergent 100 mass %. In addition, components whose blending amounts are not listed in the table are not blended.
Moreover, "(a1)+(a2)" is the total content (mass %) of the components (a1) and (a2) with respect to the total mass of the dishwashing detergent. "((a1)+(a2))/(A)×100" is the total content (mass%) of the components (a1) and (a2) with respect to the total mass of the component (A). "(a2)+(a3)" is the total content (mass%) of the components (a2) and (a3) with respect to the total mass of the dishwashing detergent. "(a2)+(B)" is the total content (mass %) of component (a2) and component (B) with respect to the total mass of the dishwashing detergent. "(a2)+(B')" is the total content (mass%) of the component (a2) and the component (B') relative to the total mass of the dishwashing detergent. "Total amount of surfactants" is the total content (% by mass) of all surfactants relative to the total mass of the dishwashing detergent. "A/B ratio" is a mass ratio represented by component (A)/component (B). "A/B'ratio" is a mass ratio represented by (A) component/(B') component. "a1/a2 ratio" is a mass ratio expressed by component (a1)/component (a2). The "a2/a3 ratio" is a mass ratio expressed by component (a2)/component (a3). "a2/B ratio" is a mass ratio expressed by component (a2)/component (B). "a2/B'ratio" is a mass ratio expressed by component (a2)/component (B'). "B/C ratio" is a mass ratio represented by component (B)/component (C). "B'/C ratio" is a mass ratio represented by (B') component/(C) component.

As is clear from Tables 1 to 4, the dishwashing detergents of each example had excellent detergency and foam removal during soaking and cleaning, and were able to reduce sliminess. In addition, even after storing the dishwashing detergent, it had excellent cleaning power when washed after soaking.
On the other hand, as is clear from Table 5, the dishwashing detergents of Comparative Example 1 with an A/B ratio of 0.4 and Comparative Example 2 with an A/B ratio of 5.6 were It was inferior in cleaning power and foam removal. Furthermore, the cleaning power of the dishwashing detergent after storage was also poor.
The dishwashing detergent of Comparative Example 3, in which the total content of components (a1) and (a2) in component (A) was 44% by mass, was inferior in foam removal during soaking and cleaning. Furthermore, the cleaning power of the dishwashing detergent after storage was also poor.
The dishwashing detergent of Comparative Example 4, in which the content of component (B) was 4% by mass, was inferior in detergency and foam removal during soaking and cleaning. Also, it was easy to get wet. Furthermore, the cleaning power of the dishwashing detergent after storage was also poor.
The dishwashing detergent of Comparative Example 5, in which the content of component (B) was 16% by mass, was inferior in foam removal during soaking and cleaning. Furthermore, the cleaning power of the dishwashing detergent after storage was also poor.
The dishwashing detergent of Comparative Example 6, which used lauramidopropylcarbobetaine instead of component (B), was prone to becoming slimy. Additionally, when the dishwashing detergent was stored, its cleaning power decreased.

Claims (7)

(A) Component: a non-soap anionic surfactant containing component (a1) and component (a2);
(B) Component: Contains a sulfobetaine type amphoteric surfactant,
The component (a1) is an olefin sulfonic acid type anionic surfactant,
The component (a2) is a sulfosuccinic acid dialkyl ester or a salt thereof represented by the following general formula (1),
The total content of the component (a1) and the component (a2) is 50% by mass or more based on the total mass of the component (A),
The content of the component (B) is 5 to 15% by mass based on the total mass of the dishwashing detergent,
A dishwashing detergent having a mass ratio of component (A)/component (B) of 0.5 to 5.

(In general formula (1), R ¹ is a straight chain or branched alkyl group having 5 to 18 carbon atoms, R ² is a straight chain or branched alkyl group having 1 to 18 carbon atoms, and A ¹ and A ² are each independently an alkylene group having 2 to 4 carbon atoms, n is a number from 0 to 6 indicating the average number of repeats of OA ¹ , and m is a number of 0 to 6 indicating the average number of repeats of A ² O. 6, M _a ⁺ is a cation, and X is the valence of M _a ⁺ .) (C) component: further contains an enzyme containing at least one of component (c1) and component (c2),
The component (c1) is a protease,
The dishwashing agent according to claim 1, wherein the component (c2) is amylase. The dishwashing agent according to claim 1 or 2, wherein the mass ratio represented by the component (a1)/component (a2) is 1 to 5. The component (A) further includes component (a3),
The dishwashing agent according to any one of claims 1 to 3, wherein the component (a3) is a polyoxyalkylene alkyl ether sulfate or a salt thereof. The dishwashing detergent according to claim 4, wherein the mass ratio expressed by the component (a2)/component (a3) is 1 to 10. The dishwashing agent according to any one of claims 1 to 5, wherein the mass ratio represented by the component (a2)/component (B) is 0.2 to 0.5. Component (D): The dishwashing detergent according to any one of claims 1 to 6, wherein the content of the amine oxide type surfactant is 3% by mass or less based on the total mass of the dishwashing detergent. agent.