WO2024004860A1

WO2024004860A1 - Liquid detergent composition

Info

Publication number: WO2024004860A1
Application number: PCT/JP2023/023331
Authority: WO
Inventors: 元傑馬; 天運楊; 栄一小暮
Original assignee: 花王株式会社
Priority date: 2022-06-27
Filing date: 2023-06-23
Publication date: 2024-01-04
Also published as: TW202409260A; CN117343803A

Abstract

The present invention is a liquid detergent composition comprising a component (A), a component (B), and an optional component (C), wherein in the liquid detergent composition, the content of the component (B) is 0.5-9 mass%, the content of the component (C) is not less than 0 mass%, the total content of surfactants is not less than 25 mass%, and (A)/((A)+(C)), which is the mass ratio of the content of the component (A) to total content of the surfactants, is not less than 60%. Component (A) is a nonionic surfactant represented by the following general formula (1): R₁-O-[(EO)_x/(PO)_y]-H. (In the formula, R₁ represents a C10-18 linear or branched alkyl group, EO represents an ethyleneoxy group, PO represents a propyleneoxy group, x represents the average added number of moles of EO, y represents the average added number of moles of PO, x is a number of 1-100, y is a number of 0-5, and "/" represents random and/or block bonding of EO and PO.) Component (B) is polypropylene glycol having a molecular weight of 400-10,000. Component (C) is a surfactant other than component (A).

Description

liquid cleaning composition

The present invention relates to a liquid cleaning composition.

BACKGROUND ART Concentrated liquid cleaning agents have a higher content of active substances (i.e., surfactants, etc.) than conventional liquid cleaning agents, which improves the dirt removal effect per unit mass of cleaning agent, and improves the dirt removal effect per unit mass of cleaning agent. The amount of cleaning agents required for textiles is reduced, saving resources in the manufacturing process. And compared to traditional large-capacity packaging of liquid cleaning agents, concentrated liquid cleaning agents use less packaging material, higher storage space utilization, lower transportation costs, and reduce energy consumption and greenhouse gas emissions. It has environmentally friendly features such as: Concentrating cleaning agents has important significance in practicing green and low-carbon development, achieving the "double carbon" goal, and protecting the environment.

Currently, concentrated liquid cleaning products are commonly packaged with a lid for measuring and dispensing, but such packaging requires the user to use both hands when pouring the liquid. , low versatility. In addition, with the increase in the content of active substances, concentrated liquid detergents tend to increase in viscosity, which causes trouble for users when trying to take the appropriate amount of the composition.

Therefore, there is a need for a concentrated liquid cleaning agent that can be operated with one hand and contained in an easy-to-operate pump container. However, pump containers require more stringent viscosity control of concentrated liquid cleaning agents.

Summary of the Invention In order to solve the problem of the viscosity of the concentrated liquid cleaning agent mentioned above, the present inventor conducted special research and found that a specific nonionic surfactant and a polypropylene glycol solvent were mixed at a specific content. When used together, the resulting liquid cleaning composition contains a high concentration of surfactant and not only has excellent cleaning power as a concentrated liquid cleaning agent, but also has low temperature resistance (e.g. 0°C to 10°C). It has been found that it has excellent viscosity at high temperatures (for example, 30°C to 40°C) and is suitable for use in pump containers.

Therefore, the present invention is a liquid cleaning composition containing the following component (A), component (B), and optional component (C),
In the liquid cleaning composition, the content of component (B) is 0.5% by mass or more and 9% by mass or less, the content of component (C) is 0% by mass or more, and the total content of surfactants is The amount is 25% by mass or more, and the mass ratio of the content of component (A) to the total content of surfactants (A)/((A) + (C)) is 60% or more.
A liquid cleaning composition is provided.
Component (A): Nonionic surfactant represented by the following general formula (1) R ₁ -O-[(EO) _x /(PO) _y ]-H (1)
(In the formula, R ₁ represents a linear or branched alkyl group having 10 to 18 carbon atoms, EO represents an ethyleneoxy group, PO represents a propyleneoxy group, and x represents the average number of moles of EO added. , y indicates the average number of moles of PO added, x is a number from 1 to 100, y is a number from 0 to 5, and "/" indicates that EO and PO are in a random and/or block format. )
Component (B): Polypropylene glycol having a molecular weight of 400 or more and 10,000 or less Component (C): Surfactant other than component (A)

The present invention also provides a liquid detergent article contained in a pump container, which is obtained by filling a pump container with the liquid detergent composition of the present invention, wherein the discharge amount of the pump container is 5 g or more and 10 g per one pump operation. A liquid cleaning product in a pump container is provided as follows.

Further, the present invention provides a cleaning method in which the liquid cleaning composition of the present invention is applied to a soiled textile product with or without dilution to clean it.

The liquid detergent composition of the present invention is a concentrated liquid detergent composition, has excellent viscosity at both high and low temperatures, is applicable for use in pump containers, is easy to handle, and has excellent cleaning power. It has a pleasant smell and is not unpleasant.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Each component contained in the liquid cleaning composition of the present invention will be described in detail below.
[Component (A)]
Component (A) of the present invention is a nonionic surfactant represented by the following general formula (1), and specifically, an aliphatic alcohol polyoxyethylene polyoxy represented by the following general formula (1). One or more types selected from propylene ether and aliphatic alcohol polyoxyethylene ether.
R ₁ -O-[(EO) _x /(PO) _y ]-H (1)
(In the formula, R ₁ represents a linear or branched alkyl group having 10 to 18 carbon atoms, EO represents an ethyleneoxy group, PO represents a propyleneoxy group, and x represents the average number of moles of EO added. , y indicates the average number of moles of PO added, x is a number from 1 to 100, y is a number from 0 to 5, and "/" indicates that EO and PO are in a random and/or block format. )

In general formula (1), R ₁ is a straight-chain or branched alkyl group, preferably a straight-chain alkyl group. Further, from the viewpoint of obtaining appropriate viscosity and detergency, the number of carbon atoms in R ₁ is preferably 10 or more and 16 or less. Further, R ₁ is preferably a straight chain alkyl group having 10 to 16 carbon atoms, more preferably a straight chain alkyl group having 12 to 14 carbon atoms.

In general formula (1), from the viewpoint of appropriate viscosity, the average number of added moles x of ethyleneoxy groups is preferably 1 or more, more preferably 5 or more, and from the viewpoint of obtaining appropriate viscosity and detergency, preferably is 30 or less, more preferably 25 or less, even more preferably 21 or less.

In general formula (1), from the viewpoint of obtaining detergency and appropriate viscosity, the average number of moles y of propyleneoxy groups added is preferably 0 or more and 5 or less, more preferably 4 or less, and still more preferably substantially (i.e. y is 0). When y is 0, component (A) is an aliphatic alcohol polyoxyethylene ether.

The bond between the ethyleneoxy group and the propyleneoxy group can be either a random type or a block type, or a combination of a random type and a block type.

The liquid detergent composition of the present invention preferably contains component (a-1) as component (A), and component (a-1) is such that y in general formula (1) is 0, and It is an aliphatic alcohol polyoxyethylene ether (hereinafter also referred to as AEO) having an HLB value of 14 or more.

The HLB value is calculated using the following formula:
HLB=20×(M _w /(M _w +M _o ))
(In the formula, M _w and M _o are the molecular weights of the hydrophilic group and lipophilic group, respectively, of the surfactant molecule.)

The mass ratio (a-1)/(A) of the content of component (a-1) to the content of component (A) is 60% or more. If it is less than 60%, the viscosity of the composition is too high. Furthermore, from the viewpoint of obtaining an appropriate viscosity, (a-1)/(A) is preferably 70% or more, more preferably 75% or more, and preferably 100% or less, more preferably 95% or more. % or less, more preferably 90% or less, even more preferably 85% or less. Note that this mass ratio is calculated by [content of component (a-1) in the composition]/[content of component (A) in the composition]×100.

In the liquid cleaning composition of the present invention, component (A) can be used alone or in combination of two or more. In the liquid detergent composition of the present invention, the content of component (A) is preferably 15% by mass or more, more preferably 25% by mass or more, and preferably 70% by mass or less, from the viewpoint of detergency. , more preferably 30% by mass or less.

The present invention provides a liquid detergent composition containing a high concentration of component (A), which is a nonionic surfactant, by using component (A) in combination with component (B) described below. It is characterized by the successful realization that the composition not only has excellent cleaning power, but also has excellent viscosity at low and high temperatures, making it suitable for use in pump containers.

[Component (B)]
Component (B) is polypropylene glycol having a molecular weight of 400 or more and 10,000 or less.

From the viewpoint of appropriate viscosity of the composition, the molecular weight of component (B) is preferably 600 or more, more preferably 700 or more, even more preferably 750 or more, and preferably 4000 or less, more preferably 2000 or less, and even more preferably 750 or more. It is preferably 1000 or less, and from the viewpoint of stability of component (B) in the composition, the molecular weight of component (B) is preferably 4000 or less, more preferably 2000 or less, even more preferably 1800 or less. be.

When using aliphatic alcohol polyoxyethylene polyoxypropylene ether and/or aliphatic alcohol polyoxyethylene ether as a specific nonionic surfactant with polypropylene glycol, its hydrophobicity increases with the average number of added moles of PO. The hydrophobic nature of the PO group helps the interaction of polypropylene glycol with the hydrophobic part of the surfactant, making it easier for polypropylene glycol to interfere with the formation of micelles in the surfactant, thereby controlling the viscosity. achieve the effect. On the other hand, as the molecular weight of polypropylene glycol further increases, its intramolecular interactions also increase, making it easier for intermolecular interactions to occur, resulting in an increase in viscosity. Therefore, if the molecular weight of polypropylene glycol is controlled within the above appropriate range, it is possible to maintain an appropriate low viscosity range even when stored at low temperatures.

In the liquid cleaning composition of the present invention, component (B) can be used alone or in combination of two or more. In the liquid detergent composition of the present invention, the content of component (B) is 0.5% by mass or more, preferably 0.8% by mass or more, and 9% by mass from the viewpoint of obtaining an appropriate viscosity. The content is preferably 8% by mass or less, more preferably 6% by mass or less, still more preferably 5% by mass or less, even more preferably 4% by mass.

[Optional component (C)]
Optional component (C) is a surfactant other than component (A). Component (C) is preferably one or more selected from anionic surfactants and cationic surfactants.

Examples of anionic surfactants include polyoxyethylene alkyl ether sulfate salts, linear alkylbenzene sulfonic acids and their salts, alkyl sulfate salts, alkanesulfonate salts, α-sulfo fatty acid alkyl ester salts, α-olefin sulfonate salts. , fatty acids and salts thereof, among which one or more of polyoxyethylene alkyl ether sulfate salts, linear alkylbenzene sulfonic acids and salts thereof, fatty acids and salts thereof are preferred.

From the viewpoint of detergency, the polyoxyethylene alkyl ether sulfate salt has an average number of added moles of oxyethylene groups of 1 or more and 5 or less, and an alkyl group of a linear primary alcohol with an average number of carbon atoms of 10 or more and 20 or less. It is preferable to contain. Examples of the salt constituting the polyoxyethylene alkyl ether sulfate salt include alkali metal salts such as sodium and potassium salts, and sodium salts are preferred from the viewpoints of detergency and solubility. A specific example of the polyoxyethylene alkyl ether sulfate salt of the present invention includes a polyoxyethylene alkyl ether sulfate salt (EO=2).

From the viewpoint of detergency, the linear alkylbenzenesulfonic acid and its salt preferably have an alkyl group having 10 to 16 carbon atoms, more preferably an alkyl group having 12 to 14 carbon atoms, and even more preferably It has an alkyl group having 12 carbon atoms. The salts that make up the linear alkylbenzene sulfonate include alkali metal salts such as sodium and potassium, alkanolamine salts, and alkaline earth metal salts such as magnesium and calcium. From this point of view, alkali metal salts are preferred, and sodium salts are more preferred. Specific examples of the linear alkylbenzenesulfonic acid and its salt of the present invention include dodecylbenzenesulfonic acid and its sodium salt.

From the viewpoint of detergency, the fatty acid is preferably a fatty acid having 12 or more and 18 or less carbon atoms, preferably 14 or more and 16 or less carbon atoms. Salts constituting the fatty acid salt include alkali metal salts such as sodium and potassium salts, alkanolamine salts, etc., but sodium salts are preferred from the viewpoint of detergency and solubility. A specific example of the fatty acid of the present invention is myristic acid.

As the cationic surfactant, a quaternary ammonium salt type cationic surfactant represented by the following general formula is preferred.

(In the formula, R ¹ is a hydrocarbon group having 6 to 22 carbon atoms, preferably a straight-chain alkyl group or an alkenyl group, and R ² , R ³ , and R ⁴ are each independently a methyl group or an ethyl group. (X is a halogen atom, CH ₃ SO ₄ or CH ₃ CH ₂ SO _4. )

A specific example of the quaternary ammonium salt of the present invention includes dodecyltrimethylammonium chloride.

If an anionic surfactant and a cationic surfactant are used together, the effects of each may be inhibited and the viscosity may be affected. However, in the present invention, by using component (C) in a specific ratio, each specific effect can be exhibited.

In the liquid cleaning composition of the present invention, component (C) is an optional component, and may be omitted, used alone, or a combination of two or more. In the liquid detergent composition of the present invention, the content of component (C) is 0% by mass or more, preferably 1% by mass or more and 14% by mass or less, more preferably It is 3% by mass or more and 13% by mass or less.

In the liquid detergent composition of the present invention, from the viewpoint of obtaining appropriate viscosity, the total content of surfactants, that is, the content of component (A) relative to the total content of components (A) and (C), The mass ratio (A)/((A)+(C)) is 60% or more, preferably 70% or more, and more preferably 75% or more. Note that this mass ratio is calculated by [content of component (A) in the composition]/[total of content of component (A) and content of component (C) in the composition] x 100. .

[Component (D)]
The liquid detergent composition of the present invention can contain any component (D). Component (D) is an alkyl ether compound having a molecular weight of 300 or less and represented by the following general formula (2).
R ₂ -O-(EO) _m H (2)
(In the formula, R ₂ represents a linear or branched alkyl group having 1 to 6 carbon atoms, EO represents an ethyleneoxy group, m represents the average number of added moles of EO, and 2 to 4 )

In general formula (2), from the viewpoint of obtaining an appropriate viscosity of the composition, R ₂ represents a linear or branched alkyl group having 1 to 6 carbon atoms, preferably 2 to 5 carbon atoms. It is a straight chain alkyl group.

In general formula (2), m is preferably 3 or less from the viewpoint of obtaining an appropriate viscosity of the composition.

Specific examples of component (D) include alkyl ethers such as diethylene glycol monomethyl ether, triethylene glycol monomethyl ether, diethylene glycol monoethyl ether, and diethylene glycol monobutyl ether; among these, triethylene glycol monomethyl ether and diethylene glycol are preferred. One or more types of monobutyl ether, more preferably diethylene glycol monobutyl ether.

Component (B) has a good viscosity reducing effect in a liquid cleaning composition, and when component (D) is added, the viscosity reducing effect can be further improved, that is, component (B) and component (D) By using in combination, the viscosity of the liquid cleaning composition of the present invention is maintained in a low range at low temperatures (0° C. to 10° C.). On the other hand, when component (D) is blended, the viscosity is likely to be too low when used at high temperatures (30°C to 40°C).
Moreover, component (D) itself has an odor that gives discomfort to users.
Therefore, in order to balance the odor of component (D) with the viscosity of the liquid cleaning composition, it is necessary to limit the ratio of component (B) and component (D) in the composition to a certain range. . (B)/(D), which is the mass ratio of the content of component (B) to the content of component (D), is preferably 0.25 or more, more preferably 0.6 or more, still more preferably 1 or more, Even more preferably 1.5 or more, even more preferably 2 or more, and preferably 11 or less, more preferably 6 or less, even more preferably 4 or less, and preferably 0.6 or more and 11 or less. be.

From the viewpoint of not generating an irritating odor in the composition, component (D) can be used alone or in combination of two or more. In the liquid cleaning composition of the present invention, the content of component (D) is preferably 5% by mass or less, more preferably 3% by mass or less, still more preferably 2% by mass or less.

Furthermore, in the liquid cleaning composition of the present invention, the total content of component (B) and component (D) is preferably 10% by mass or less, more preferably 9% by mass or less, from the viewpoint of obtaining an appropriate viscosity. , more preferably 8% by mass or less, even more preferably 7% by mass or less.

Furthermore, from the viewpoint of obtaining an appropriate viscosity of the composition, the total content of surfactants relative to the total content of components (B) and (D), that is, the total content of components (A) and (C) The mass ratio ((A) + (C)) / ((B) + (D)) is preferably 4 or more, more preferably 5 or more, even more preferably 6 or more, even more preferably 8 or more. And, it is preferably 17 or less, more preferably 16.5 or less, still more preferably 12 or less, even more preferably 4 or more and 17 or less, even more preferably 5 or more and 16.5 or less.

[Other ingredients]
In addition to the above-mentioned components, the liquid cleaning composition of the present invention may also contain solvents, softeners, sterilizers, and colorants other than component (B) and component (D), as long as they do not affect the effects of the present invention. , preservatives, antioxidants, fragrances, pH adjusters, chelating agents, and other components used in common cleaning agents can be contained in appropriate amounts.

These other components preferably include solvents other than component (B) and component (D) from the viewpoint of the viscosity of the liquid cleaning composition at high and low temperatures.

Examples of this solvent include alcohols such as ethanol, n-propanol, isopropanol, and 1-butanol, glycols such as propylene glycol, butanediol, and hexanediol, triols such as glycerin, butanetriol, and hexanediol, diethylene glycol, and triethylene Polyols such as glycol, tetraethylene glycol, dipropylene glycol, and tripropylene glycol; aromatic ethers such as phenoxyethanol, diethylene glycol monophenyl ether, triethylene glycol monophenyl ether, polyethylene glycol monophenyl ether, and diethylene glycol monophenyl methyl ether. Can be mentioned.

These solvents are effective as viscosity modifiers for the liquid cleaning composition of the present invention, and are preferably one or more solvents selected from the above-mentioned alcohols, glycols, triols, and aromatic ethers. Therefore, the viscosity of the composition can be adjusted more effectively. Specific preferred components include one or more selected from propylene glycol, phenoxyethanol, and glycerol (glycerin).

[water]
The liquid cleaning composition of the present invention preferably contains water. In the liquid detergent composition of the present invention, the water content is the remaining amount (adjusted to 100% by mass) other than the components (A) to (D) and other components. Examples of the water used in the present invention include deionized water, distilled water, high purity water, ultrapure water, etc. Water that does not affect the composition, such as deionized water, is preferable.

The liquid cleaning composition of the present invention is produced by appropriately mixing the above components.

From the viewpoint of ease of operation with one hand, by filling a pump container with the liquid detergent composition of the present invention, a liquid detergent article in a pump container is obtained, and the discharge amount of the container is 5 g per one pump operation. The amount is 10g or less.

In the present invention, the viscosity at a high temperature (30°C to 40°C) is typically the viscosity at a high temperature of 30°C, and the viscosity at 30°C of the liquid cleaning composition of the present invention is determined by pressing the pump container. From the viewpoint of preventing the composition from scattering from the pump container when taken out, the speed is preferably 60 cps or more, more preferably 70 cps or more, and even more preferably 85 cps or more. If the viscosity at high temperature is within this range, the liquid cleaning composition will not scatter while the pump container is being pressed.

In the present invention, the viscosity at a low temperature (0°C to 10°C) is representative of the viscosity at a low temperature of 5°C. The viscosity at 5° C. of the liquid cleaning composition of the present invention is 900 cps or less, preferably 650 cps or less, more preferably 500 cps or less, still more preferably 360 cps or less, from the viewpoint of easy removal of the composition by pressing the pump container. be. If the viscosity at a low temperature of 5° C. is within this range, the liquid cleaning composition can be easily taken out from the pump container with one hand, and no composition remains in the pump container.

Furthermore, in the present invention, the viscosity of the liquid cleaning composition is measured using a BROOKFIELD viscometer. As the rotor, a rotor suitable for the viscosity may be selected. The viscosity 1 minute after the start of rotation is defined as the viscosity of the liquid cleaning composition.

[Cleaning method]
The present invention provides a cleaning method in which the liquid cleaning composition of the present invention is applied to a stained textile product with or without dilution to clean it.

The liquid cleaning composition of the present invention can be applied to textile products such as clothing, bedding, and cloth, and is preferably used as a clothing cleaning agent.

Furthermore, in the cleaning method of the present invention, after cleaning the textile product with the liquid detergent composition of the present invention, the washed textile product is rinsed with water.

A cleaning method using the liquid detergent composition of the present invention includes contacting a textile product such as clothing (especially a very dirty part of the textile product) with the undiluted liquid detergent composition of the present invention; and/or immersion, and contact and/or immersion in cleaning water obtained by diluting the liquid cleaning composition of the present invention. The longer the contact time and/or the soaking period, the higher the cleaning effect. The contacting and/or soaking process may be free of external forces or may be applied by hand washing, washing in a washing machine, etc.

Washing water can be obtained by diluting the liquid detergent composition of the present invention with water. The cleaning water is preferably diluted with a mass ratio of liquid cleaning composition of the present invention/water = 0.01 or more and 1 or less. Furthermore, the mass of the washing water is preferably 2 times or more, more preferably 3 times or more, even more preferably 5 times or more, and preferably 100 times or less, more preferably 50 times or more, relative to the mass of the textile product. It is at most 25 times, more preferably at most 25 times.

Furthermore, when cleaning, it is possible to use a combination of the above two methods, i.e., first contacting the fibrous article, especially the very soiled parts, with the undiluted liquid cleaning composition of the invention. , and/or after applying an external force by soaking and rubbing with hands, the textile product is brought into contact with washing water obtained by diluting the liquid detergent composition of the present invention, and/or soaked and washed. The method of applying external force by washing with a machine is preferable because a stronger cleaning power can be obtained.

In addition, when rinsing washed textile products with water, after washing as above, either squeeze the textile product to remove the water, or use a dehydrator to remove the water, and then soak it in fresh water (hereinafter referred to as rinsing water) again. . The rinsing water may be water collected in a sink or the like or running water. The mass of rinsing water relative to the mass of the textile product is the total amount of rinsing water required for rinsing, preferably 2 times or more, more preferably 5 times or more, even more preferably 10 times or more, and preferably 1000 times or less, More preferably it is 500 times or less, and still more preferably 100 times or less. At the stage of soaking in rinsing water, foaming is observed because the surfactant remaining in the textile product is dissolved in the rinsing water again. After repeating this operation several times, the foaming will disappear and the rinsing process will be completed.

[Embodiment of the present invention]
Embodiments of the present invention will be illustrated below. Among these forms, the matters described in the liquid cleaning composition and cleaning method of the present invention can be appropriately applied.
<1> A liquid cleaning composition containing the following component (A), component (B), and optional component (C),
In the liquid cleaning composition, the content of component (B) is 0.5% by mass or more and 9% by mass or less, the content of component (C) is 0% by mass or more, and the total content of surfactants is The amount is 25% by mass or more, and the mass ratio of the content of component (A) to the total content of surfactants (A)/((A) + (C)) is 60% or more.
Liquid cleaning composition.
Component (A): Nonionic surfactant represented by the following general formula (1) R ₁ -O-[(EO) _x /(PO) _y ]-H (1)
(In the formula, R ₁ represents a linear or branched alkyl group having 10 to 18 carbon atoms, EO represents an ethyleneoxy group, PO represents a propyleneoxy group, and x represents the average number of moles of EO added. , y indicates the average number of moles of PO added, x is a number from 1 to 100, y is a number from 0 to 5, and "/" indicates that EO and PO are in a random and/or block format. )
Component (B): Polypropylene glycol having a molecular weight of 400 or more and 10,000 or less Component (C): Surfactant other than component (A)

<2> In general formula (1), R ₁ is preferably a straight-chain alkyl group, and R ₁ preferably has 10 or more carbon atoms and 16 or less carbon atoms, and furthermore, R ₁ preferably has 10 or more carbon atoms. The liquid cleaning composition according to <1> above, which is a linear alkyl group having 16 or more carbon atoms, more preferably a linear alkyl group having 12 or more carbon atoms and 14 or less carbon atoms.

<3> In general formula (1), the average number of added moles x of ethyleneoxy groups is 1 or more, preferably 5 or more, and is preferably 30 or less, more preferably 25 or less, even more preferably 21 or less. The liquid cleaning composition according to <1> or <2> above.

<4> In general formula (1), the average number of moles y of propyleneoxy groups added is 0 or more and 5 or less, preferably 4 or less, and more preferably substantially not included, that is, y is 0. The liquid cleaning composition according to any one of <1> to <3> above.

<5> Component (A) contains component (a-1), aliphatic alcohol polyoxyethylene ether in which y in general formula (1) is 0 and HLB value is 14 or more, and component ( The mass ratio (a-1)/(A) of the content of component (a-1) to the content of A) is 60% or more, preferably 70% or more, more preferably 75% or more, and , preferably 100% or less, more preferably 95% or less, still more preferably 90% or less, even more preferably 85% or less, the liquid cleaning agent according to any one of <1> to <4> above. Composition.

<6> The content of component (A) in the liquid cleaning composition is preferably 15% by mass or more, more preferably 25% by mass or more, and preferably 70% by mass or less, more preferably 30% by mass. % or less, the liquid cleaning composition according to any one of <1> to <5> above.

<7> The molecular weight of component (B) is preferably 600 or more, more preferably 700 or more, even more preferably 750 or more, and preferably 4000 or less, more preferably 2000 or less, even more preferably 1800 or less, and The liquid cleaning composition according to any one of <1> to <6> above, which preferably has a molecular weight of 1000 or less.

<8> The content of component (B) in the liquid cleaning composition is 0.5% by mass or more, preferably 0.8% by mass or more, and 9% by mass or less, preferably 8% by mass or less , more preferably 6% by mass or less, still more preferably 5% by mass or less, even more preferably 4% by mass or less, the liquid cleaning composition according to any one of <1> to <7>.

<9> The liquid cleaning composition according to any one of <1> to <8> above, wherein component (C) is one or more selected from anionic surfactants and cationic surfactants. thing.

<10> The liquid according to <9> above, wherein the anionic surfactant is one or more selected from polyoxyethylene alkyl ether sulfate salts, linear alkylbenzenesulfonic acids and salts thereof, and fatty acids and salts thereof. Cleaning composition.

<11> The polyoxyethylene alkyl ether sulfate salt has an average number of added moles of 1 or more and 5 or less, and contains an alkyl group of a linear primary alcohol with an average number of carbon atoms of 10 or more and 20 or less. ＞The liquid cleaning composition according to ＞.

<12> The linear alkylbenzenesulfonic acid and its salt preferably have an alkyl group with 10 to 16 carbon atoms, more preferably an alkyl group with 12 to 14 carbon atoms, and even more preferably 12 carbon atoms. The liquid cleaning composition according to <10> above, which has an alkyl group.

<13> The liquid cleaning composition according to <10>, wherein the fatty acid preferably has 12 or more carbon atoms and 18 or less, more preferably 14 or more and 16 or less carbon atoms.

<14> The content of component (C) in the liquid cleaning composition is 0% by mass or more, preferably 1% by mass or more and 14% by mass or less, more preferably 3% by mass or more and 13% by mass or less, The liquid cleaning composition according to any one of <1> to <13>.

<15> The liquid cleaning composition according to <9> above, wherein the cationic surfactant is preferably a quaternary ammonium salt type cationic surfactant represented by the following general formula.

<16> The liquid cleaning composition according to any one of <1> to <15>, further comprising the following component (D).
Component (D): an alkyl ether solvent with a molecular weight of 300 or less and represented by the following general formula (2) R ₂ -O-(EO) _m H (2)
(In the formula, R ₂ represents a linear or branched alkyl group having 1 to 6 carbon atoms, EO represents an ethyleneoxy group, m represents the average number of added moles of EO, and 2 to 4 )

<17> In the general formula (2), R ₂ represents a linear or branched alkyl group having 1 to 6 carbon atoms, preferably a linear alkyl group having 2 to 5 carbon atoms. 16>.

<18> In the general formula (2), m is preferably 3 or less, the liquid cleaning composition according to <16> or <17>.

<19> Component (D) is preferably one or more of triethylene glycol monomethyl ether and diethylene glycol monobutyl ether, more preferably diethylene glycol monobutyl ether, according to any one of the above <16> to <18>. The liquid cleaning composition described.

<20> The mass ratio (B)/(D) of the content of component (B) to the content of component (D) is preferably 0.25 or more, more preferably 0.6 or more, and even more preferably 1 or more, even more preferably 1.5 or more, even more preferably 2 or more, and preferably 11 or less, more preferably 6 or less, still more preferably 4 or less, and preferably 0.6 or more. 11 or less, the liquid cleaning composition according to any one of <16> to <19> above.

<21> The mass ratio of the total content of surfactant to the total content of component (B) and component (D) ((A) + (C))/((B) + (D)) is: Preferably 4 or more, more preferably 5 or more, still more preferably 6 or more, even more preferably 8 or more, and preferably 17 or less, more preferably 16.5 or less, still more preferably 12 or less, and more The liquid cleaning composition according to any one of <16> to <20>, which is more preferably 4 or more and 17 or less, even more preferably 5 or more and 16.5 or less.

<22> The above <1> to < containing a solvent other than component (B) and component (D), preferably containing one or more solvents selected from propylene glycol, phenoxyethanol, and glycerol (glycerin). 21>, the liquid cleaning composition according to any one of the above.

<23> Any one of <1> to <22> above, wherein the liquid cleaning composition has a viscosity at 5° C. of 900 cps or less, preferably 650 cps or less, more preferably 500 cps or less, and still more preferably 360 cps or less. The liquid cleaning composition according to item 1.

<24> The liquid according to any one of <1> to <23>, wherein the liquid detergent composition has a viscosity at 30°C of 60 cps or more, preferably 70 cps or more, more preferably 85 cps or more. Cleaning composition.

<25> The mass ratio (A)/((A)+(C)) of the content of component (A) to the total content of surfactants is preferably 70% or more, more preferably 75% or more , the liquid cleaning composition according to any one of <1> to <24>.

<26> A liquid detergent article in a pump container, which is obtained by filling a pump container with the liquid detergent composition according to any one of <1> to <25>, wherein the discharge amount of the pump container is , a liquid detergent article contained in a pump container, the amount of which is 5 g or more and 10 g or less per single pump operation.

<27> A cleaning method in which the liquid cleaning composition according to any one of <1> to <25> is diluted or undiluted and applied to a stained textile product for cleaning.

<28> The cleaning method according to <27>, wherein the textile product is one or more selected from clothing and bedding, and preferably clothing.

<29> The cleaning method according to <27> or <28>, wherein after cleaning the textile product using the liquid detergent composition, the washed textile product is rinsed with water.

Examples Hereinafter, embodiments of the present invention will be further described and disclosed by examples. These examples are merely illustrative of the invention and are not intended to limit it in any way. Each liquid cleaning composition of Examples and Comparative Examples was obtained using each component shown in the table below. The numerical values for the amount of each component in the table are expressed in mass % as an active ingredient, and the remaining amount is the amount of deionized water. The mass ratio values of the components in the table are written without the denominator (/1).

Examples 1 to 19, Comparative Examples 1 to 3
1. Preparation Liquid cleaning compositions of Examples 1 to 19 and Comparative Examples 1 to 3 were obtained by mixing the components in the compositions shown in Tables 1 to 4. The following evaluations were performed using each of the obtained liquid cleaning compositions. The results are shown in Tables 1-4.

2. Evaluation (1) Viscosity 1. Approximately 100 g of sample was taken and placed in a glass bottle with a lid (specifications: bottle diameter x bottle body diameter x height (mm): φ31.9×φ51.5×95.5).
2. The glass bottles were placed in thermostatic water baths at 5°C and 30°C, respectively, and kept at constant temperature for 30 minutes.
3. Take out the sample in the constant temperature water bath, use a viscometer (specification: BROOKFIELD DV2T), and select the rotor according to the viscosity of the sample, i.e. #62 rotor for the sample stored at a constant temperature of 5°C; A #62 rotor was selected for samples stored at a constant temperature of 30°C. The rotor was rotated for 1 minute at 30 r/min or 60 r/min, respectively, and the displayed value was read immediately after stopping, and the viscosity of the sample (unit of viscosity: centipoise seconds (cps)) was measured. Then, evaluation was performed according to the following evaluation criteria. The measured values and evaluation results are shown in Tables 1 to 4.
The acceptance criteria for viscosity evaluation at 5° C. and 30° C. is 60 cps or more and 900 cps or less.
If one of the results at both temperatures is a "fail", the composition is determined to have an inadequate viscosity.

(2) Smell 1. Approximately 50 g of sample was taken and placed in a glass bottle with a lid (specifications: bottle diameter x bottle body diameter x height (mm): φ31.9×φ51.5×95.5).
2. Five professional raters smelled the samples and scored them according to the following scoring criteria:
3. The average score was calculated from the scores given by five professional evaluators, and the evaluation was made according to the following evaluation criteria. The evaluation results are shown in Tables 1 to 4.
Scoring criteria :
Score is 0 or more and 1 or less: No abnormal odor;
Score greater than 1 and less than 2: Slight odd odor;
Score of more than 2 and less than 3: strong odor.
Evaluation criteria :
◎: Average score is 0 or more and 1 or less;
〇: Average score is more than 1 and less than 2;
Δ: Average score is more than 2 and less than 3.

The ingredients used in Examples and Comparative Examples are listed below. The contents of each component in Tables 1 to 4 are all effective amounts.
<Component (A)>
(a-1): Aliphatic alcohol polyoxyethylene ether (C12-14-(EO) ₂₀ OH) (AEO20) (Product name: KAO Emulgen 120, Manufacturer: Shanghai Kao Chemical Co., Ltd., HLB value 16.1-16 .5)
(a-2): Aliphatic alcohol polyoxyethylene ether (C12-14-(EO) ₇ OH) (AEO7) (Product name: KAO Emulgen 107, Manufacturer: Shanghai Kao Chemical Co., Ltd., HLB value 11.8-12 .5)

<Component (B)>
Polypropylene glycol 1 (molecular weight: 1000) (Product name: Polypropylene glycol P1000TB, Manufacturer: Dow Chemical)
Polypropylene glycol 2 (molecular weight: 425) (Product name: Polypropylene glycol P425, Manufacturer: Dow Chemical)
Polypropylene glycol 3 (molecular weight: 700) (Product name: Polypropylene glycol PT700, Manufacturer: Dow Chemical)
Polypropylene glycol 4 (molecular weight: 750) (Product name: Polypropylene glycol P750E, Manufacturer: Dow Chemical)
Polypropylene glycol 5 (molecular weight: 2000) (Product name: Polypropylene glycol P2000, Manufacturer: Dow Chemical)
Polypropylene glycol 6 (molecular weight: 4000) (Product name: Polypropylene glycol P4000, Manufacturer: Dow Chemical)

<Component (C)>
Anionic surfactant:
Dodecylbenzenesulfonic acid (Product name: Linear alkylbenzenesulfonic acid, Manufacturer: Kanatou Petrochemical Co., Ltd.)
Myristic acid (product name: PALMAC 98-14, manufacturer: IOI Oil and Fat Chemistry Department)
Cationic surfactant:
Dodecyltrimethylammonium chloride (Product name: FENTACARE 1231-37K, Manufacturer: Solvay Fine Chemicals Co., Ltd.)

<Component (D)>
Diethylene glycol monobutyl ether (Product name: Diethylene glycol monobutyl ether, Manufacturer: Chunichi Gosei Kagaku Co., Ltd., BASF SE)

<Other ingredients>
Phenoxyethanol (product name: PHG-S, manufacturer: Hanong Chemical Co., Ltd.)
Propylene glycol (Product name: Propylene glycol USP/EP, Manufacturer: Dow Chemical)
Glycerin (Product name: Glycerin, Manufacturer: Kao Corporation)
Additive:
Monoethanolamine (product name: Monoethanolamine, manufacturer: Dow Chemical) 1.97wt%
Sodium hydroxide (Product name: 48% ion exchange membrane sodium hydroxide, Manufacturer: Shanghai Chlor-Alkali Chemical Co., Ltd.) 0.78wt%
Citric acid (product name: citric acid monohydrate, manufacturer: Rizhao Jinhe Boyuan Biochemistry Co., Ltd.) 2.95wt%
Fragrance (product name: F-LAOC-1, manufacturer: Firmenich Fragrance (China) Co., Ltd.)

As can be seen from Tables 1 to 4, the concentrated liquid cleaning compositions of the present invention have excellent viscosity at both high and low temperatures, are applicable for use in pump containers, are easy to handle, and have excellent cleaning properties. It has power, smells good, and is not unpleasant.

Claims

A liquid cleaning composition containing the following component (A), component (B), and optional component (C),
In the liquid cleaning composition, the content of component (B) is 0.5% by mass or more and 9% by mass or less, the content of component (C) is 0% by mass or more, and the total content of surfactants is The amount is 25% by mass or more, and the mass ratio of the content of component (A) to the total content of surfactants (A)/((A) + (C)) is 60% or more.
Liquid cleaning composition.
Component (A): Nonionic surfactant represented by the following general formula (1) R 1 -O-[(EO) x /(PO) y ]-H (1)
(In the formula, R 1 represents a linear or branched alkyl group having 10 to 18 carbon atoms, EO represents an ethyleneoxy group, PO represents a propyleneoxy group, and x represents the average number of moles of EO added. , y indicates the average number of moles of PO added, x is a number from 1 to 100, y is a number from 0 to 5, and "/" indicates that EO and PO are in a random and/or block format. )
Component (B): Polypropylene glycol having a molecular weight of 400 or more and 10,000 or less Component (C): Surfactant other than component (A)
Component (A) contains aliphatic alcohol polyoxyethylene ether, which is component (a-1), where y in the general formula (1) is 0 and whose HLB value is 14 or more, and contains component (A). The liquid cleaning composition according to claim 1, wherein the mass ratio of the content of component (a-1) to the amount (a-1)/(A) is 60% or more.
Claim 1, further comprising the following component (D), and the mass ratio (B)/(D) of the content of component (B) to the content of component (D) is 0.25 or more and 11 or less. Or the liquid cleaning composition according to 2.
Component (D): an alkyl ether solvent with a molecular weight of 300 or less and represented by the following general formula (2) R 2 -O-(EO) m H (2)
(In the formula, R 2 represents a linear or branched alkyl group having 1 to 6 carbon atoms, EO represents an ethyleneoxy group, m represents the average number of added moles of EO, and 2 to 4 )
The mass ratio of the total content of surfactants to the total content of component (B) and component (D) ((A) + (C))/((B) + (D)) is 4 or more and 17 The liquid cleaning composition according to claim 3, which is as follows.
The liquid cleaning composition according to any one of claims 1 to 4, which has a viscosity of 900 cps or less at 5°C.
The liquid cleaning composition according to any one of claims 1 to 5, which has a viscosity at 30°C of 60 cps or more.
7. A liquid detergent article contained in a pump container, which is obtained by filling a pump container with the liquid detergent composition according to any one of claims 1 to 6, wherein the discharge amount of the pump container is equal to or less than that per one pump operation. A liquid detergent article packed in a pump container, which weighs 5g or more and 10g or less per bottle.
A cleaning method comprising applying the liquid cleaning composition according to any one of claims 1 to 6, either diluted or undiluted, to a soiled textile product for cleaning.
The cleaning method according to claim 8, wherein the textile product is clothing.