Composition for cleaning washing machine tub and method for producing same

Abstract

Disclosed are: a composition for cleaning a washing machine tub; and a method for producing same, wherein the composition is highly capable of penetrating between a washing machine tub and contaminants, and thus exhibits excellent cleaning performance and can prevent damage to components in a washing machine in advance. As a result, the composition for cleaning a washing machine tub and the method for producing same according to the present invention are non-corrosive and exhibit excellent penetration and sterilization performance without using sodium hypochlorite, and thus can exhibit effective cleaning performance.

Description

Washing machine tub detergent composition and method for producing the same

[0001] The present invention relates to a washing machine tub cleaning composition for improving the cleaning power of a washing machine tub and a method for producing the same.

[0002] In general, washing machines used mainly at home must be managed through periodic cleaning because there are a large number of unclean and malignant contaminants such as microorganisms such as bacteria, dust, and human impurities (sebum) inside the washing tub.

[0003] In particular, if the washing machine drum is left unwashed, it can cause foul odors through the formation of biofilms, which can contaminate laundry and lead to sanitary problems.

[0004] In the past, detergents made of strong alkaline ingredients such as sodium hypochlorite, sodium hydroxide, and baking soda were mainly used, considering only strong sterilizing action and cleaning power.

[0005] However, sodium hypochlorite can cause fatal corrosion to nickel or nickel alloy, which is a coating component of drum washing machine heaters, and can cause skin damage if it comes into contact with the skin when using strong alkali.

[0006] To solve these problems, cleaning power has been improved and corrosion has been suppressed by mixing various types of compounds, such as corrosion inhibitors and surfactants (amine oxides), in a specific ratio in the conventional detergent. However, even in this case, there is a problem that it is insufficient in reducing the side effects of corrosion caused by chemical reactions.

[0007] Therefore, there is a need to develop a detergent that can solve the problem of corrosion while providing excellent cleaning power by manufacturing it as a weak alkaline detergent by minimizing the content of strong alkaline ingredients without using sodium hypochlorite.

[0008]

[0009] (Patent Document 1) KR Patent Publication No. 10-2001-0068655 (Published on July 23, 2001)

[0010] The purpose of the present invention is to provide a washing machine drum cleaning composition having excellent penetrability between the washing machine drum and contaminants, exhibiting excellent cleaning performance, and preventing damage to parts inside the washing machine in advance, and a method for producing the same.

[0011] In addition, an object of the present invention is to provide a washing machine tub cleaning composition that can effectively exhibit cleaning performance by having excellent penetrability and sterilization performance and being non-corrosive without using sodium hypochlorite, and a method for producing the same.

[0012] In addition, the purpose of the present invention is to provide a washing machine tub cleaning composition and a method for manufacturing the same, which can effectively allow the cleaning ingredients in the cleaning composition to penetrate between the washing tub and contaminants by adding a glycol ether solvent, which is a container solvent having excellent affinity for a wide range of polar and non-polar substances and excellent penetration ability due to lower surface tension than polypropylene (PP), which is a material of the washing tub in the washing machine.

[0013] The objectives of the present invention are not limited to those mentioned above. Other objectives and advantages of the present invention not mentioned above can be understood through the following description and will be more clearly understood through the embodiments of the present invention. Furthermore, it will be readily apparent that the objectives and advantages of the present invention can be realized by the means and combinations thereof set forth in the claims.

[0014] A washing machine tub cleaning composition and a method for manufacturing the same according to an embodiment of the present invention exhibit excellent cleaning performance due to excellent penetration between the washing tub and contaminants, and can prevent damage to parts inside the washing machine in advance.

[0015] To this end, a washing machine tank cleaning composition according to an embodiment of the present invention comprises 5 to 30 wt% of a glycol ether solvent; 2 to 15 wt% of a cationic surfactant; 1 to 5 wt% of an alkaline agent; and the remaining amount of water.

[0016] In addition, the washing machine tub cleaning composition and the method for manufacturing the same according to an embodiment of the present invention can effectively allow the cleaning ingredients in the cleaning composition to penetrate between the washing machine tub and contaminants by adding a glycol ether solvent, which is a container solvent having excellent affinity for a wide range of polar and non-polar substances and having a lower surface tension than polypropylene (PP), which is a material for the washing machine tub, and thus excellent penetration ability.

[0017] As a result, the washing machine tub cleaning composition and the method for manufacturing the same according to the embodiment of the present invention have cleaning performance that is about three times or more improved compared to a conventional washing machine tub cleaning composition by adding an alkaline agent, a glycol ether solvent, and a cationic surfactant as active ingredients, thereby exhibiting an excellent effect in removing contamination, and at the same time, they are not corrosive to the heater, so that they can be safely used in washing machines.

[0018] In addition, the washing machine tub cleaning composition and the method for manufacturing the same according to an embodiment of the present invention have excellent sterilizing power without using biocides that are controversial for their harmfulness when used in humidifier disinfectants.

[0019] As a result, the washing machine tub cleaning composition and the method for manufacturing the same according to the embodiment of the present invention are not only safe to use because they do not affect the parts inside the washing machine, but are also safe for the human body and the environment, making them suitable for use as a washing machine tub cleaning composition.

[0020] According to the present invention, even without using sodium hypochlorite, it is possible to effectively exhibit cleaning performance by having excellent penetrability and sterilization performance and being non-corrosive.

[0021] In addition, according to the present invention, by adding an alkaline agent, a glycol ether solvent, and a cationic surfactant as active ingredients, the cleaning performance is improved by about three times or more compared to a conventional washing machine cleaning composition, thereby exhibiting an excellent effect in removing contamination, and at the same time, it is non-corrosive to the heater, so that it can be safely used in a washing machine.

[0022] In addition, according to the present invention, it has excellent sterilizing power without using biocides that are controversial for their harmfulness when used in humidifier sterilizers.

[0023] Therefore, according to the present invention, it is not only safe to use without affecting the components inside the washing machine, but is also safe for the human body and the environment, making it suitable for use as a washing machine tub cleaning composition.

[0024] In addition to the effects described above, specific effects of the present invention are described below while explaining specific details for carrying out the invention.

[0025] Figure 1 is a process flow diagram showing a method for manufacturing a washing machine tank cleaning composition according to an embodiment of the present invention.

[0026]

[0027] The above-described objects, features, and advantages will be described in detail below with reference to the accompanying drawings, so that those skilled in the art can easily practice the technical idea of ​​the present invention. In describing the present invention, if it is determined that a detailed description of known technologies related to the present invention may unnecessarily obscure the gist of the present invention, a detailed description thereof will be omitted. Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the drawings, the same reference numerals are used to indicate the same or similar components.

[0028] As used herein, singular expressions include plural expressions unless the context clearly dictates otherwise. In this application, terms such as "consisting of" or "comprising" should not necessarily be construed to include all of the components or steps described in the specification, and should be construed to mean that some of the components or steps may not be included, or that additional components or steps may be included.

[0029] Hereinafter, a washing machine tank cleaning composition and a method for manufacturing the same according to some embodiments of the present invention will be described.

[0030]

[0031] A washing machine tub cleaning composition according to an embodiment of the present invention relates to a cleaning agent having excellent cleaning performance in a washing machine tub, and more specifically, to a washing machine tub cleaning composition having excellent penetrability between a washing machine tub and contaminants, thereby exhibiting excellent cleaning performance and not causing damage to parts inside the washing machine.

[0032] To this end, a washing machine tank cleaning composition according to an embodiment of the present invention comprises 5 to 30 wt% of a glycol ether solvent; 2 to 15 wt% of a cationic surfactant; 1 to 5 wt% of an alkaline agent; and the remaining amount of water.

[0033] In addition, the washing machine tub cleaning composition according to an embodiment of the present invention has excellent affinity for a wide range of polar and non-polar substances and has a lower surface tension than polypropylene (PP), which is a material for the washing machine tub, and thus has excellent penetration ability. By adding a glycol ether solvent, which is a container solvent, the cleaning ingredients in the cleaning composition can effectively penetrate between the washing tub and contaminants.

[0034] As a result, the washing machine tub cleaning composition according to the embodiment of the present invention has a cleaning performance that is about three times or more improved compared to a conventional washing machine tub cleaning composition by adding an alkaline agent, a glycol ether solvent, and a cationic surfactant as active ingredients, thereby exhibiting an excellent effect in removing contamination, and at the same time, is non-corrosive to the heater, so that it can be safely used in a washing machine.

[0035] In addition, the washing machine tub cleaning composition according to an embodiment of the present invention has excellent sterilizing power without using biocides that are controversial for their harmfulness when used in humidifier disinfectants.

[0036] As a result, the washing machine tub cleaning composition according to the embodiment of the present invention is not only safe to use as it does not affect the parts inside the washing machine, but is also safe for the human body and the environment, making it suitable for use as a washing machine tub cleaning composition.

[0037]

[0038] Hereinafter, the role and content of each component of the washing machine tub cleaning composition according to an embodiment of the present invention will be described in detail.

[0039]

[0040] Glycol ether solvents have low interfacial tension and excellent affinity with polar and nonpolar substances, so they are added for the purpose of cleaning performance and sterilization when mixed with polar cationic surfactants, etc., and it is preferable to include at least one selected from the group consisting of compounds represented by the following chemical formula 1.

[0041]

[0042] [Chemical Formula 1]

[0043] R1-(OCH2CH2) n -R2

[0044] Here, R1 is an alcohol or alkyl having 1 to 8 carbon atoms, R2 is OH or alkyl having 1 to 8 carbon atoms, and n is an integer of 1 to 4.

[0045] These glycol ether solvents have excellent affinity with a wide range of polar and nonpolar substances, have a lower surface tension than polypropylene (PP), which is the material of the washing tub in a washing machine, and thus have excellent penetration ability. They also have excellent affinity with various types of raw materials, such as organic solvents such as alcohol and glycol, and water-soluble raw materials such as anionic and cationic surfactants, and thus can improve the difficulty of formulating compositions.

[0046] That is, the glycol ether solvent added as an active ingredient to the detergent composition for a washing machine according to an embodiment of the present invention is an organic solvent that has high solubility and is used as a degreasing agent in the steel industry and in the textile industry.

[0047] In addition, since glycol ether solvents have excellent bipolar properties and are easy to use in combination with cationic surfactants containing polar components, when such glycol ether solvents are used as a washing machine detergent composition, they can exhibit excellent cleaning performance and excellent sterilizing ability at the same time.

[0048] It is preferable that such glycol ether solvent be added in a content ratio of 5 to 30 wt% of the total weight of the detergent composition for a washing machine tub, and a more preferable range is 12 to 30 wt%. If the amount of the glycol ether solvent added is less than 5 wt% or more than 30 wt% of the total weight of the detergent composition for a washing machine tub, the detergent composition solution becomes suspended or separated. The reason why such suspended or separated phenomenon occurs is that the cationic surfactant among the raw materials of the detergent composition is not sufficiently dissolved in water, and the cationic surfactant that is dissolved in water becomes dispersed in a form with a large particle size. If such a suspended or separated liquid composition is used as a detergent composition for a washing machine tub, the cleaning performance and sterilization performance may become uneven because it is in the form of a non-uniform mixture.

[0049]

[0050] The cationic surfactant includes at least one selected from the group consisting of compounds represented by the following chemical formulas 2, 3, and 4.

[0051]

[0052] [Chemical Formula 2]

[0053]

[0054] Here, R1 and R2 are each alkyl or alkenyl having 8 to 22 carbon atoms, and X is any one of Cl, CH3OSO3, and CH3CH2OSO3.

[0055]

[0056] [Chemical Formula 3]

[0057]

[0058] Here, R1 is alkyl or alkenyl having 8 to 22 carbon atoms, R2 is H or alkyl or alkenyl having 1 to 4 carbon atoms, and X is any one of Cl, CH3OSO3, and CH3CH2OSO3.

[0059]

[0060] [Chemical Formula 4]

[0061]

[0062] Here, R1, R2, R3 and R4 are each alkyl or alkenyl having 1 to 22 carbon atoms, and X is any one of Cl, CH3OSO3 and CH3CH2OSO3.

[0063]

[0064] In the above chemical formula 2, chemical formula 3 and chemical formula 4, each of the quaternary ammonium salt compounds may be at least one selected from monostearyl amino ethylene imidazoline ammonium salt, monooleic amino ethylene imidazoline ammonium salt, monolauryl amino ethylene imidazoline distearic ester ammonium salt, dioleic ester ammonium salt, dilauric ester ammonium salt, lautrimonium salt, cetrimonium salt, stearimonium salt, benzenetrimonium salt, etc.

[0065] It is preferable that such cationic surfactants be added in a content ratio of 2 to 15 wt% of the total weight of the washing machine tub cleaning composition, and a more preferable range may be 10 to 15 wt%. If the amount of the cationic surfactant added is less than 2 wt% of the total weight of the washing machine tub cleaning composition, there may be a problem of reduced sterilizing performance. Conversely, if the amount of the cationic surfactant added exceeds 15 wt% of the total weight of the washing machine tub cleaning composition, sufficient emulsification and dispersion may be difficult during the manufacture of the cleaning composition, which may cause a problem of generation of a suspended phase.

[0066]

[0067] The alkaline agent includes at least one selected from the group consisting of compounds represented by the following chemical formula 5.

[0068]

[0069] [Chemical Formula 5]

[0070]

[0071] Here, each of R1, R2 and R3 is H, an alcohol having 1 to 4 carbon atoms, a carboxylic acid and an amino acid.

[0072] More preferably, the alkaline agent may include at least one selected from monoethanolamine, triethanolamine, tris(hydroxymethyl)aminomethane, [bis(2-hydroxyethyl)amino]acetic acid and {[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino}acetic acid.

[0073] It is preferable that such alkaline agent be added in a content ratio of 1 to 5 wt% of the total weight of the washing machine tub cleaner composition, and a more preferable range may be 3 to 5 wt%. If the amount of the alkaline agent added is less than 1 wt% of the total weight of the washing machine tub cleaner composition, there may be a problem of reduced cleaning performance. Conversely, if the amount of the alkaline agent added exceeds 5 wt% of the total weight of the washing machine tub cleaner composition, there may be problems of corrosion and white residue remaining after use.

[0074]

[0075] Hereinafter, a method for manufacturing a washing machine tank cleaning composition according to an embodiment of the present invention will be described with reference to the attached drawings.

[0076] Figure 1 is a process flow diagram showing a method for manufacturing a washing machine tank cleaning composition according to an embodiment of the present invention.

[0077] As illustrated in FIG. 1, a method for manufacturing a washing machine tank cleaning composition according to an embodiment of the present invention includes a mixing step (S110) and a stirring step (S120).

[0078]

[0079] mix

[0080] In the mixing step (S110), a glycol ether solvent, a cationic surfactant, and an alkaline agent are mixed in water.

[0081] In this mixing, the glycol ether solvent, cationic surfactant, and alkaline agent may be mixed in any order. For example, water may be mixed into the glycol ether solvent first, and then the cationic surfactant and alkaline agent may be mixed sequentially.

[0082]

[0083] Stirring

[0084] In the stirring step (S120), the mixed mixture is stirred to form a washing machine tub detergent composition.

[0085] At this stage, stirring is preferably performed at room temperature at a speed of 300 to 1,500 rpm. At this time, the room temperature is preferably 5 to 40°C, but is not limited thereto. In addition, if the stirring speed is less than 300 rpm, there is a concern that the glycol ether solvent, cationic surfactant, and alkaline agent may not be sufficiently dissolved in water. Conversely, if the stirring speed exceeds 1,500 rpm, it may only increase the manufacturing cost without any further effect, making it uneconomical.

[0086] After this stirring step (S120), the washing machine tub cleaning composition contains 5 to 30 wt% of a glycol ether solvent, 2 to 15 wt% of a cationic surfactant, 1 to 5 wt% of an alkaline agent, and the remaining amount of water.

[0087] Here, it is preferable that the glycol ether solvent includes at least one selected from the group consisting of compounds represented by the following chemical formula 1.

[0088]

[0089] [Chemical Formula 1]

[0090] R1-(OCH2CH2) n -R2

[0091] Here, R1 is an alcohol or alkyl having 1 to 8 carbon atoms, R2 is OH or alkyl having 1 to 8 carbon atoms, and n is an integer of 1 to 4.

[0092] It is preferable that such glycol ether solvent be added in a content ratio of 5 to 30 wt% of the total weight of the detergent composition for the washing machine tub, and a more preferable range is 12 to 30 wt%.

[0093] It is preferable that the cationic surfactant include at least one selected from the group consisting of compounds represented by the following chemical formulas 2, 3, and 4.

[0094]

[0095] [Chemical Formula 2]

[0096]

[0097] Here, R1 and R2 are each alkyl or alkenyl having 8 to 22 carbon atoms, and X is any one of Cl, CH3OSO3, and CH3CH2OSO3.

[0098]

[0099] [Chemical Formula 3]

[0100]

[0101] Here, R1 is alkyl or alkenyl having 8 to 22 carbon atoms, R2 is H or alkyl or alkenyl having 1 to 4 carbon atoms, and X is any one of Cl, CH3OSO3, and CH3CH2OSO3.

[0102]

[0103] [Chemical Formula 4]

[0104]

[0105] Here, R1, R2, R3 and R4 are each alkyl or alkenyl having 1 to 22 carbon atoms, and X is any one of Cl, CH3OSO3 and CH3CH2OSO3.

[0106] It is preferable that these cationic surfactants be added in a content ratio of 2 to 15 wt% of the total weight of the washing machine tub detergent composition, and a more preferable range is 10 to 15 wt%.

[0107] It is preferable that the alkaline agent include at least one selected from the group consisting of compounds represented by the following chemical formula 5.

[0108]

[0109] [Chemical Formula 5]

[0110]

[0111] Here, each of R1, R2 and R3 is H, an alcohol having 1 to 4 carbon atoms, a carboxylic acid and an amino acid.

[0112] More preferably, the alkaline agent may include at least one selected from monoethanolamine, triethanolamine, tris(hydroxymethyl)aminomethane, [bis(2-hydroxyethyl)amino]acetic acid and {[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino}acetic acid.

[0113] It is preferable that such alkaline agent be added in a content ratio of 1 to 5 wt% of the total weight of the washing machine tub detergent composition, and a more preferable range is 3 to 5 wt%.

[0114]

[0115] A washing machine tank cleaning composition according to an embodiment of the present invention can be manufactured by the above process (S110 to S120).

[0116] A washing machine tub cleaning composition manufactured by a method according to an embodiment of the present invention can effectively exhibit cleaning performance without using sodium hypochlorite, with excellent penetration and sterilization performance and no corrosiveness.

[0117] In addition, the washing machine tub cleaning composition manufactured by the method according to the embodiment of the present invention has a cleaning performance that is improved by about three times or more compared to a conventional washing machine tub cleaning composition by adding an alkaline agent, a glycol ether solvent, and a cationic surfactant as active ingredients, thereby exhibiting an excellent effect in removing contamination, and at the same time, it is non-corrosive to the heater, so that it can be safely used in a washing machine.

[0118] In addition, the washing machine tub cleaning composition manufactured by the method according to the embodiment of the present invention has excellent sterilizing power without using biocides that are controversial for their harmfulness when used in humidifier disinfectants.

[0119] Therefore, the washing machine tub cleaning composition manufactured by the method according to the embodiment of the present invention is not only safe to use as it does not affect the parts inside the washing machine, but is also safe for the human body and the environment, making it suitable for use as a washing machine tub cleaning composition.

[0120]

[0121] Example

[0122] Hereinafter, the structure and operation of the present invention will be described in more detail through preferred embodiments of the present invention. However, these are presented as preferred examples of the present invention and should not be construed as limiting the present invention in any way.

[0123] Anything not described here will be omitted as it is technically feasible for those skilled in this field to infer.

[0124]

[0125] 1. Preparation of a washing machine tub cleaning composition

[0126] Table 1 shows the components and component ratios of the washing machine tub cleaning compositions according to Examples 1 to 6, and Table 2 shows the components and component ratios of the washing machine tub cleaning compositions according to Examples 7 to 9 and Comparative Examples 1 to 6. At this time, in Examples 1 to 9 and Comparative Examples 1 to 5, a glycol ether solvent, a cationic surfactant, and an alkaline agent were mixed in water in the content ratios described in Tables 1 and 2, and the mixed mixture was stirred at a speed of 1,200 rpm until it became a transparent liquid at room temperature, thereby preparing a washing machine tub cleaning composition. In addition, Comparative Example 6 obtained a hypochlorous acid-based washing machine tub cleaning composition from Roborock.

[0127]

[0128] Ingredients Example 1 Example 2 Example 3 Example 4 Example 5 Example 6 Alkaline agent (Tris) 112345 Glycol ether-1 (PC) 255101512 Glycol ether-2 (BC) 113333 Glycol ether-3 (HC) 255101215 Cationic surfactant (CT) 1355105 Cationic surfactant (IMQ) 1355510 Water Balance Balance Balance Balance Balance Balance

[0129]

[0130] (Unit: weight%)

[0131]

[0132] IngredientsExample 7Example 8Example 9Comparative Example 1Comparative Example 2Comparative Example 3Comparative Example 4Comparative Example 5Comparative Example 6Alkali agent (Tris) 22212-25Roborock Glycol ether-1 (PC) 255122510Glycol ether-2 (BC) 23-122510Glycol ether-3 (HC) 2-5122510Cationic surfactant (CT) 1110.50.75165Cationic surfactant (IMQ) 1110.50.751511WaterBalanceBalanceBalanceBalanceBalanceBalanceBalanceBalance

[0133]

[0134] (Unit: weight%)

[0135]

[0136] In Tables 1 and 2, Tris is Tromethamine, PC is Propyl Cellosolve, BC is Butyl Cellosolve, HC is Hexyl Cellosolve, CT is Cetrimonium Chloride, and IMQ is Monooleic Aminoethylene Imidazoline Ammonium Salt.

[0137]

[0138] 2. Physical property evaluation

[0139] Table 3 shows the results of property evaluations for washing machine tub cleaning compositions according to Examples 1 to 9 and Comparative Examples 1 to 6. In this case, in Table 3, the “>” sign means that the minimum measured value is indicated, and the “<” sign means that the maximum measured value is indicated.

[0140]

[0141] 1) Washing rate

[0142] After making an artificial pollutant (oleic acid: 30.84 wt%, scalene: 3.25 wt%, cholesterol: 1.62 wt%, gelatin: 8.12 wt%, kaolin: 32.47 wt%, carbon black: 0.97 wt%, liquid paraffin: 3.25 wt%, ethanol: 19.48 wt%) to contaminate a drum washing machine, 80 g was fixedly injected for each cycle of a standard drum washing machine course and operated 60 times to contaminate the inside of the washing tub, then disassembled and dried for 1 day to make a polluted sample, and then a washing tub detergent composition for a washing machine was diluted to a concentration of 17 wt% and washed by stirring for 20 minutes using a mechanical stirrer.

[0143] After stirring and washing, the brightness values ​​(Y values) before and after washing were observed using a colorimeter (Minolta CR-300 Chroma-meter) to calculate the washing rate. At this time, the washing rate was calculated by the formula {(Yw - Ys) / (Yo - Ys)} × 100(%), where Yo is the Y value before contamination, Ys is the Y value after contamination, and Yw is the Y value after washing.

[0144]

[0145] 2) Phase stability

[0146] Each detergent composition stock solution was left under harsh conditions (50°C oven and -5°C incubator, 7 days), and then the discoloration and phase separation of the detergent composition stock solution were visually observed and evaluated. If the additive stock solution discolored or the phase was suspended or separated after one week, it was marked as defective, and if the detergent composition stock solution showed no abnormalities in the phase, it was marked as good.

[0147]

[0148] 3) Corrosiveness

[0149] A drum washing machine heater was immersed in each detergent composition solution and the power was connected. If corrosion occurred on the heater surface, it was marked as defective. If no corrosion occurred on the heater surface, it was marked as good.

[0150]

[0151] 4) Sterilizing power

[0152] The sterilizing power of each detergent composition was evaluated for 4 types of bacteria (Staphylococcus aureus (ATCC 6538), Escherichia coli (ATCC 8739), Pseudomonas aeruginosa (ATCC 27853), and Klebsiella pneumoniae (ATCC 4352)) in a 4 wt% dilution. If the sterilizing power for all 4 types of bacteria was 99.9% or higher, it was marked as good, and if it was 99.9% or lower, it was marked as poor.

[0153]

[0154] ClassificationStability(50℃)Stability(-5℃)CorrosionCleaning rate(%)Sterilizing power(%)Example 1GoodGoodGood>70GoodExample 2GoodGoodGoodGood>70GoodExample 3GoodGoodGoodGood>80GoodExample 4GoodGoodGoodGood>85GoodExample 5GoodGoodGoodGood>90GoodExample 6GoodGoodGoodGood>90GoodExample 7GoodGoodGoodGood>70GoodExample 8GoodGoodGoodGood>70GoodExample 9GoodGoodGoodGood>75GoodComparativeExample 1PoorPoorGood<60PoorComparativeExample 2PoorPoorGood>70PoorComparativeExample 3GoodGoodGood<50GoodComparativeExample 4GoodGoodGood>80GoodComparativeExample 5 Good Good Bad > 90 Good Comparison Example 6 Bad Good Bad < 25 Good

[0155]

[0156] As shown in Tables 1 to 3, it was confirmed that the washing machine tub cleaning compositions according to Examples 1 to 9 exhibited excellent properties in terms of stability, corrosion resistance, cleaning power, and sterilizing power, even though they did not use biocides with controversial toxicity.

[0157] In particular, the washing machine tub cleaning composition according to Examples 3 to 6 exhibited the best properties in terms of phase stability, corrosion resistance, cleaning power, and sterilizing power.

[0158] On the other hand, it was confirmed that the washing machine tub detergent compositions according to Comparative Examples 1 to 6 showed at least one of poor stability, corrosiveness, cleaning power, and sterilizing power.

[0159] As can be seen from the above experimental results, the washing machine tub cleaning compositions according to Examples 1 to 9, which are prepared by adding an alkaline agent, a glycol ether solvent, and a cationic surfactant to water, have excellent phase stability at high temperatures (50°C) and low temperatures (-5°C), are non-corrosive, exhibit excellent cleaning performance, and exhibit sufficient sterilizing power even without using biocides or sodium hypochlorite, which are controversial for their harmfulness.

[0160]

[0161] Although the present invention has been described with reference to the drawings exemplified above, it is to be understood that the present invention is not limited to the embodiments and drawings disclosed herein, and that various modifications may be made by those skilled in the art within the scope of the technical idea of ​​the present invention. Furthermore, even if the operational effects according to the configuration of the present invention have not been explicitly described while describing the embodiments of the present invention, it is natural that the effects predictable by the corresponding configuration should also be acknowledged.

Claims

1. 5 to 30 wt% of glycol ether solvent; 2 to 15 wt% cationic surfactant; 1 to 5 wt% of alkaline agent; and The remaining water; A washing machine drum cleaning composition comprising:

2. In paragraph 1, The above glycol ether solvent A washing machine tank cleaning composition comprising at least one compound selected from the group consisting of compounds represented by the following chemical formula 1. [Chemical Formula 1] R 1 -(AND 2 CH 2 ) n -R 2 (Here, R 1 is an alcohol or alkyl having 1 to 8 carbon atoms, and R 2 is OH or alkyl having 1 to 8 carbon atoms, and n is an integer from 1 to 4.) 3. In paragraph 1, The above cationic surfactant A washing machine tank cleaning composition comprising at least one compound selected from the group consisting of compounds represented by the following chemical formulas 2, 3 and 4. [Chemical formula 2] (Here, R 1 and R 2 Each is an alkyl or alkenyl group having 8 to 22 carbon atoms, and X is Cl, CH 3 OSO 3 and CH 3 CH 2 OSO 3 (One of them.) [Chemical Formula 3] (Here, R 1 is an alkyl or alkenyl group having 8 to 22 carbon atoms, and R 2 is H or alkyl or alkenyl having 1 to 4 carbon atoms, and X is Cl, CH 3 OSO 3 and CH 3 CH 2 OSO 3 (One of them.) [Chemical Formula 4] (Here, R 1 , R 2 , R 3 and R 4 Each is an alkyl or alkenyl group having 1 to 22 carbon atoms, and X is Cl, CH 3 OSO 3 and CH 3 CH 2 OSO 3 (One of them.) 4. In paragraph 1, The above alkaline agent A washing machine tank cleaning composition comprising at least one compound selected from the group consisting of compounds represented by the following chemical formula 5. [Chemical Formula 5] (Here, R 1 , R 2 and R 3 Each of them is H, an alcohol having 1 to 4 carbon atoms, a carboxylic acid, and an amino acid.) 5. In paragraph 4, The above alkaline agent A washing machine tub cleaning composition comprising at least one selected from monoethanolamine, triethanolamine, tris(hydroxymethyl)aminomethane, [bis(2-hydroxyethyl)amino]acetic acid, and {[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino}acetic acid.

6. A step of mixing a glycol ether solvent, a cationic surfactant and an alkaline agent into water; and A step of forming a washing machine drum detergent composition by stirring the above-mentioned mixed mixture; A method for producing a washing machine tub cleaning composition, wherein the washing machine tub cleaning composition comprises 5 to 30 wt% of a glycol ether solvent, 2 to 15 wt% of a cationic surfactant, 1 to 5 wt% of an alkaline agent, and the remaining amount of water.

7. In paragraph 6, The above stirring A method for manufacturing a washing machine drum detergent composition, the method comprising: performing the process at room temperature and at a speed of 300 to 1,500 rpm.

8. In paragraph 6, The above glycol ether solvent A method for producing a washing machine tank detergent composition comprising at least one compound selected from the group consisting of compounds represented by the following chemical formula 1. [Chemical Formula 1] R 1 -(AND 2 CH 2 ) n -R 2 (Here, R 1 is an alcohol or alkyl having 1 to 8 carbon atoms, and R 2 is OH or alkyl having 1 to 8 carbon atoms, and n is an integer from 1 to 4.) 9. In paragraph 6, The above cationic surfactant A method for producing a washing machine tank detergent composition comprising at least one compound selected from the group consisting of compounds represented by the following chemical formulas 2, 3 and 4. [Chemical formula 2] (Here, R 1 and R 2 Each is an alkyl or alkenyl group having 8 to 22 carbon atoms, and X is Cl, CH 3 OSO 3 and CH 3 CH 2 OSO 3 (One of them.) [Chemical Formula 3] (Here, R 1 is an alkyl or alkenyl group having 8 to 22 carbon atoms, and R 2 is H or alkyl or alkenyl having 1 to 4 carbon atoms, and X is Cl, CH 3 OSO 3 and CH 3 CH 2 OSO 3 (One of them.) [Chemical Formula 4] (Here, R 1 , R 2 , R 3 and R 4 Each is an alkyl or alkenyl group having 1 to 22 carbon atoms, and X is Cl, CH 3 OSO 3 and CH 3 CH 2 OSO 3 (One of them.) 10. In paragraph 6, The above alkaline agent A method for producing a washing machine tank detergent composition comprising at least one compound selected from the group consisting of compounds represented by the following chemical formula 5. [Chemical Formula 5] (Here, R 1 , R 2 and R 3 Each of them is H, an alcohol having 1 to 4 carbon atoms, a carboxylic acid, and an amino acid.) 11. In paragraph 10, The above alkaline agent A method for producing a washing machine tub cleaning composition comprising at least one selected from monoethanolamine, triethanolamine, tris(hydroxymethyl)aminomethane, [bis(2-hydroxyethyl)amino]acetic acid, and {[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino}acetic acid.

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