JP2003193099A - Alkaline detergent composition - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To obtain an alkaline detergent composition that is suitably useful for washing the oil stains on cookers, ventilating fans, grills or ovens in cooking places or working places such as of kitchens, hotels, restaurants, dining rooms of schools and companies, food processing factories and eating houses, and has excellent detergent performance and storage stability. <P>SOLUTION: This alkaline detergent composition is characterized by comprising (a) 0.2-15 mass % of an alkali agent consisting of 0.1-15 mass % of an alkali metal hydroxide such as sodium hydroxide and/or potassium hydroxide and 0.1-10 mass % of a silicate salt, (b) 1-5 mass % of an anionic surfactant, (c) 0.1-10 mass % of a sequestering agent, (d) 3-20 mass % of a water-soluble glycol solvent, (e) water and (f) at least one kind selected from xylenesulfonate salts, cumenesulfonate salts and p-toluenesulfonate salts. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is used for cleaning oil stains on stoves, ventilation fans, griddles and ovens in kitchens, workplaces, etc. of kitchens, hotels, restaurants, school meals, employee cafeterias, food processing plants, restaurants and the like. And an alkaline detergent composition suitable for. More specifically, in particular, even under high or low temperatures, an alkaline detergent which can easily wash in a good finished state polymerization-curing and further carbonization of oil stains and greases by heating, and has excellent storage stability. It relates to a composition.

[0002]

2. Description of the Related Art Conventionally, removal of oil stains from stoves, ventilation fans, griddles, and ovens in kitchens, workplaces, etc. of kitchens, hotels, restaurants, school meals, employee cafeterias, food processing plants, restaurants, etc. Kaisho 50-9530
JP-A No. 3-96, which contains an anionic surfactant composed of an alkylbenzene sulfonic acid, a nonionic surfactant composed of an alkylphenol ethylene oxide adduct, an amine, caustic soda or caustic potash, and ethanol, is excellent in containing no phosphate. Disclosed is a liquid detergent having detergency, foaming ability, rinsability, stability at low temperature, and less irritating to the skin. However, the smell of alcohol is strong,
Further, when a large amount of alcohol is contained, there is a problem that it corresponds to a dangerous substance. Also, JP-A-50-1124
No. 04 publication discloses an oven cleaning composition composed of an alkali metal hydroxide, an alkanolamine, and water, which has a low caustic concentration and a cleaning capacity equivalent to that of a normal high caustic concentration cleaning agent for an open oven. It is disclosed.

Further, in Japanese Patent Laid-Open No. 61-9500, an oil stain made of alkali metal hydroxide, triethanolamine, polyhydric alcohol, amphoteric surfactant and water, which is carbonized without corroding the metal, is disclosed. A detergent composition that removes is disclosed. Japanese Patent Application Laid-Open No. 61-157599 discloses heat and oxidative deterioration of organic substances such as walls around kitchens, plywood, glass, etc., each containing a specific amount of an alkali metal hydroxide, a specific alkanolamine and a surfactant. A liquid detergent composition suitable for soiling is disclosed.

Further, in JP-A-62-4791, a caustic alkali, an anionic surfactant and a specific water-soluble solvent are used in combination to improve the detergency for deteriorating oil stains around the kitchen. And, a liquid detergent composition having good foaming when foamed by a trigger spray container is disclosed. Japanese Examined Patent Publication (Kokoku) No. 5-87560 discloses a detergent containing a surfactant, a water-soluble solvent, sodium hydroxide and the like and a specific organic alkali agent in a specific ratio, which has an excellent detergency against modified oil stains and carbonized stains. Disclosed is an alkaline detergent composition which has the same detergency even when diluted. Further, in the publication, a silicate which is an inorganic alkaline agent,
It is described that sufficient detergency cannot be obtained with carbonates and phosphates. Japanese Unexamined Patent Publication (Kokai) No. 8-311487 discloses a detergent composition that gives excellent cleaning properties and a good finished state to oil stains and greases that are polymerized and cured or carbonized by heating associated with food processing. It is known to those skilled in the art that when a silicate is added to a liquid detergent, the detergent has poor storage stability at low temperatures such as in winter, and the detergent itself is liable to become cloudy or precipitate.

In recent years, oil stains that accompany food processing,
In particular, there has been a demand for a cleaning agent capable of effectively cleaning oil stains that are polymerized and hardened or carbonized by heating.

[0006]

[Patent Document 1] Japanese Patent Application Laid-Open No. 50-95303

[Patent Document 2] Japanese Patent Laid-Open No. 50-112404

[Patent Document 3] Japanese Patent Laid-Open No. 61-9500

[Patent Document 4] Japanese Patent Laid-Open No. 61-157599

[Patent Document 5] Japanese Patent Laid-Open No. 62-4791

[Patent Document 6] Japanese Patent Publication No. 5-87560

[Patent Document 7] Japanese Unexamined Patent Publication No. H8-311487

[0007]

The present invention is directed to a kitchen, a hotel, a restaurant, a school lunch, an employee cafeteria, a food processing factory,
An object of the present invention is to provide an alkaline cleaning agent suitable for cleaning oil stains on stoves, ventilation fans, griddles, and ovens in kitchens such as restaurants and workplaces. More specifically, in particular, even under high or low temperatures, an alkaline detergent which can easily wash in a good finished state polymerization-curing and further carbonization of oil stains and greases by heating, and has excellent storage stability. A composition is provided.

[0008]

Means for Solving the Problems The present inventors have completed the present invention as a result of intensive studies to achieve the above object. (A) 0.2 to 15 alkali agent consisting of 0.1 to 5% by mass of alkali metal hydroxide which is sodium hydroxide and / or potassium hydroxide, and 0.1 to 10% by mass of silicate
% By mass, (b) 1-5% by mass of anionic surfactant,
The first gist is an alkaline detergent composition containing (c) a sequestering agent of 0.1 to 10% by mass, (d) a water-soluble glycol solvent of 3 to 20% by mass, and (e) water.

Further, the anionic surfactants are alkylbenzene sulfonate, alkane sulfonate, alkyl sulfate ester salt, alkyl ether sulfate ester salt, α
A second gist of the above alkaline detergent composition, which is one or more selected from olefin sulfonates, wherein the sequestering agent is nitrilotriacetate, ethylenediaminetetraacetate, polyacrylate, glutamate diacetate. A third gist of the present invention is the above alkaline detergent composition which is one or more selected from salts, methylglycine diacetate and gluconate. Further, a fourth gist of the above alkaline detergent composition is that the water-soluble glycol solvent is diethylene glycol monobutyl ether and / or diethylene glycol monoethyl ether. Furthermore,
(F) xylene sulfonate, cumene sulfonate, p
A fifth gist is the above alkaline detergent composition containing at least one selected from toluene sulfonate.

A sixth gist of the present invention is the above alkaline detergent composition which is used for cleaning oil stains on stoves, ventilation fans, griddles and ovens in kitchens and kitchens.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION The alkaline agent which is the component (a) used in the alkaline detergent composition of the present invention (hereinafter referred to as a detergent composition) is an alkali hydroxide which is sodium hydroxide and / or potassium hydroxide. It is composed of a metal salt and a silicate.

As the alkali metal hydroxide used in the detergent composition of the present invention, sodium hydroxide and / or potassium hydroxide is preferably used. These may be used alone or as a mixture of two kinds at an arbitrary ratio.
These alkali metal hydroxides, in the detergent composition,
It is mixed in a proportion of 0.1 to 5 mass%. If the amount is less than 0.1% by mass, the desired detergency is poor, and if it is more than 5% by mass, not only the required cleaning performance as an alkaline agent is saturated, Due to excessive alkalinity, handling becomes difficult, and balance with other components makes it difficult to obtain cleaning performance and storage stability at low and high temperatures. In addition, the "Poisonous and deleterious substance" is labeled according to the Poisonous and Deleterious Substances Control Law, and specialized knowledge and handling are required. Further, from the viewpoint of cleaning performance, it is preferably blended in the range of 2 to 5% by mass.

The silicate used in the detergent composition of the present invention is blended for the purpose of high cleaning performance at low temperature and high temperature and good storage stability in combination with alkali metal hydroxide. . In addition, a balance with other components can provide an effect of suppressing corrosion on a metal surface such as aluminum or stainless steel.

Examples of the silicate include sodium metasilicate, potassium metasilicate, sodium orthosilicate, potassium orthosilicate, sodium silicate, potassium silicate and the like. These may be used alone or in combination of two or more. Among them, from the viewpoint of cleaning performance at low temperature and high temperature in balance with alkali metal hydroxide, storage stability, and corrosion inhibition effect,
Sodium metasilicate and potassium metasilicate are preferably used. These silicates are blended in the detergent composition at a ratio of 0.1 to 10% by mass. If the content is less than 0.1% by mass, the desired cleaning performance and storage stability at low temperatures will be poor, and if the content exceeds 10% by mass, white turbidity or separation will occur and the appearance In addition to damage, various properties cannot be obtained because the composition is not uniform, which is not preferable.

The alkali agent which is the component (a) consisting of the alkali metal hydroxide and the silicate is blended in the detergent composition in an amount of 0.2 to 15.0% by mass. These alkali metal hydroxides and silicates are used in the cleaning composition at a low temperature and at a high temperature in view of cleaning performance and storage stability.
It is preferable to mix in a ratio of 5: 1 to 1: 2.

(B) used in the detergent composition of the present invention
The anionic surfactant as a component is a kitchen, a hotel, a restaurant, a school lunch, a company cafeteria, a food processing factory, a range in a kitchen or a workplace such as a restaurant, a ventilation fan, a griddle,
Quickly penetrates into oil stains on the oven, especially oil stains and grease that are polymerized and cured by heating and carbonized,
It is mixed for the purpose of emulsifying, dispersing, and solubilizing oil stains attached to the object to be cleaned, as well as suppressing reattachment to the object to be cleaned.

Examples of the anionic surfactant include alkylbenzenesulfonates such as sodium alkylbenzenesulfonate, potassium alkylbenzenesulfonate, triethanolamine alkylbenzenesulfonate, diethanolamine alkylbenzenesulfonate, sodium lauryl sulfate ester, potassium lauryl sulfate ester, and lauryl. Alkyl sulfuric acid ester salts such as sulfuric acid ester triethanolamine, sodium polyoxyethylene (3) alkyl ether sulfuric acid ester, polyoxyethylene (3) alkyl ether sulfuric acid ester triethanolamine, potassium polyoxyethylene (3) alkyl ether sulfuric acid ester, etc. Alkyl ether sulfates, polyoxyethylene (3) coconut oil fatty acid amide sodium sulfate, etc. Oxyethylene fatty acid amide ether sulfate, alkane sulfonate such as sodium alkane sulfonate, potassium alkane sulfonate, triethanolamine alkane sulfonate, α-olefin sulfone such as sodium α-olefin sulfonate, potassium α-olefin sulfonate Acid salts, sodium monododecyl ether phosphate, phosphate ester salts such as di- (polyoxyethylene (6) coconut oil fatty acid amide) -sodium phosphate, cocoyl methyl taurine sodium salt, lauroyl methyl taurine salt, sodium lauroyl isethionate Acyl isethionates such as disodium lauryl sulfosuccinate, polyoxyethylene (1-
4) sulfosuccinic acid type surfactants such as disodium lauryl sulfosuccinate and polyoxyethylene (5) disodium lauric acid monoethanolamide sulfosuccinate, alkyl ether carboxylates, N-acyl glutamate, amidocarboxylic acid type surfactants Agents and the like. Among them, alkylbenzene sulfonate, alkane sulfonate, alkyl sulfate ester salt, alkyl ether sulfate ester salt, and α-olefin sulfonate are preferably used from the viewpoint of cleaning performance. These anionic surfactants are added to the detergent composition at a ratio of 1 to 5% by mass. If the blending amount is less than 1% by mass, the intended cleaning performance and appearance stability are poor, and if the blending amount exceeds 5% by mass, defoaming becomes poor and the working efficiency is lowered, and the economy is low. It is not desirable because it is not appropriate. Above all, from the viewpoint of foam breaking property, it is blended in the range of 1 to 4 mass%.

(C) used in the detergent composition of the present invention
The sequestering agent as a component is a cleaning builder,
Further, it is blended for the purpose of blocking minerals in tap water used when diluting as needed at the time of use. As the sequestering agent, nitrilotriacetate, ethylenediaminetetraacetate, citrate, gluconate, malate, tartrate, fumarate, succinate, polyacrylate, glutamate diacetate, Methylglycine diacetate is mentioned, and examples of the salt include sodium salt, potassium salt, ammonium salt, amine salt and the like. These may be used alone or in combination of two or more. Among them, from the viewpoint of metal ion sequestration performance and compatibility with other components, sodium nitrilotriacetate, sodium ethylenediaminetetraacetate, sodium polyacrylate, sodium glutamate diacetate, sodium methylglycine diacetate, and sodium gluconate are preferably used. To be These sequestering agents, in the detergent composition,
It is blended in a proportion of 0.1 to 10 mass%. When the content is less than 0.1% by mass, the desired storage stability and cleaning performance are poor, and when the content is more than 10% by mass, the appearance stability such as cloudiness and separation is poor, and thus it is preferable. Absent. Above all, from the viewpoint of economic stability such as cost,
It is compounded in the range of 0.2 to 7 mass%.

(D) used in the cleaning composition of the present invention
The water-soluble glycol solvent, which is an ingredient, is used in kitchens, hotels, restaurants, school meals, employee cafeterias, food processing factories, kitchens and workplaces such as restaurants, stoves, ventilation fans, griddles, and ovens in balance with other ingredients. It is added for the purpose of enhancing the action of dissolving oil stains, particularly, polymerized and cured by heating and stains such as oil stains and greases, which are dissolved in the cleaning solution.

Examples of the water-soluble glycol solvent include ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol monopropyl ether, ethylene glycol monobutyl ether and other ethylene glycol ethers, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, diethylene glycol monopropyl ether. , Diethylene glycol monobutyl ether and other diethylene glycol ethers, propylene glycol monomethyl ether, dipropylene glycol monomethyl ether and the like. These may be used alone or in combination of two or more. Among them, diethylene glycol monobutyl ether, in terms of detergency and odor,
Ethylene glycol monoethyl ether is preferably used. These water-soluble glycol solvents are added to the detergent composition in a proportion of 3 to 20% by mass. If the content is less than 3% by mass, the desired cleaning performance will be poor, and if it exceeds 20% by mass, the appearance stability such as clouding and separation will be poor. Above all,
From the viewpoint of cost efficiency and the like, it is mixed in the range of 5 to 15 mass%.

Examples of the water as the component (e) used in the present invention include pure water, ion-exchanged water, soft water, distilled water, tap water and the like. These may be used alone or in combination of two or more. Of these, tap water and ion-exchanged water are preferably used from the viewpoints of economy and storage stability.

As the component (f) used in the present invention, xylene sulfonate, cumene sulfonate, p-toluene sulfonate, sodium xylene sulfonate, sodium cumene sulfonate, sodium p-toluene sulfonate, etc. Is mentioned. These may be used alone or in combination of two or more. These are added to the detergent composition at a ratio of 0 to 6% by mass. Among them, xylene sulfonate is preferably used from the viewpoint of economy and storage stability.

In addition to the above-mentioned components, the detergent composition of the present invention may further contain pigments, fragrances, preservatives, thickeners, solubilizers, if necessary, as long as the object of the present invention is not impaired. Etc. can be blended.

The cleaning composition of the present invention is diluted with tap water to 150 times as much as the undiluted solution depending on the strength of dirt and the object to be cleaned, and then used for cleaning. Oil stains adhering to the floors and walls of tiles, walls of stainless steel, etc. are washed by filling a properly sprayed cleaning liquid in a former spray or the like. In order to improve work efficiency, the cleaning composition of the present invention can be used also when cleaning is performed using a high pressure cleaning machine or the like. In addition,
The cleaning composition of the present invention can be used in kitchens, hotels, restaurants,
It is preferably used for cleaning oil stains on stoves, ventilation fans, griddles, and ovens in kitchens and workplaces such as school lunches, employee cafeterias, food processing plants, and restaurants. In particular, even under high or low temperatures, it is possible to easily wash oil-fouling, grease, etc., which are polymerized and cured by heating, in a good finished state.

[0025]

EXAMPLES The cleaning composition of the present invention will be described in detail below with reference to Examples and Comparative Examples. The present invention is not limited to these.

(1) Preparation of Test Cleaning Agent Composition The cleaning agent compositions of Examples 1 to 36 and Comparative Examples 1 to 13 shown in Tables 1 to 9 were prepared and subjected to various tests. In addition, the numerical values in the table are based on 100% by mass of each active ingredient (purity)
Indicated by.

(2) The various cleaning compositions thus obtained were evaluated for pH, appearance, detergency, storage stability, and defoaming test items by the following test methods and criteria, and the results are shown in a table. 1 to 9 are also shown.

(1) Appearance [Test Method] The appearance of the sample cleaning composition was visually observed and judged. ◯: No turbidity or separation was observed, which is good. X: White turbidity and / or separation is observed.

(2) pH [Test method] According to JIS Z-8802, the pH of the undiluted solution of the sample cleaning composition was measured using a pH meter (manufactured by Horiba, Ltd., model: Castany LAB F-16). It was measured. [Criteria] ○: pH is alkaline x: pH is less than alkaline

(3) Detergency [Test Method] Model stain: A mixed oil prepared by mixing soybean oil and beef tallow at a weight ratio of 1: 1 under an atmosphere of 220 ± 10 ° C. does not form a film on the surface. It was prepared by heating for 24 hours with occasional stirring. Test piece: 0.3 g of model stain was applied to a stainless plate having a length of 76 mm and a width of 26 mm, baked at 100 ± 5 ° C. for 1 hour, and left standing to cool. The test piece was immersed in the stock solution of the cleaning composition under test for 3 hours, and the degree of stain removal after rinsing with tap water was visually determined. [Criteria] ◎: Extremely good stain removal ○: Good stain removal Δ: Practical stain removal ×: Practical stain removal × ×: No stain removed

(4) Storage stability [Test method-1] 200 ml of the detergent composition to be tested was placed in a polyethylene container having a capacity of 250 ml at 37 ° C.
The presence or absence of precipitation or turbidity after placement for 1 week in the incubator (model: SLI4S, manufactured by Sunaka Rika Kogyo Co., Ltd.) set for was evaluated according to the following criteria. [Test method-2] The sample detergent composition was put in a polyethylene container having a capacity of 250 ml, 200 ml, and placed in an incubator (manufactured by Sunaka Rika Kogyo Co., Ltd., model: SLI4S) for 1 month. The presence or absence of precipitation or turbidity after the interim arrangement was evaluated according to the following criteria. [Criteria] ○: Good without precipitation or turbidity ×: Presence of precipitation or turbidity

(5) Foam depletion property [Test method] A stock solution of the cleaning composition under test was placed on a vertically standing stainless steel plate by a former sprayer to measure 30 cm in length and width.
After spraying on the area of No. 1, the bubble-breaking property when rinsed with tap water was visually evaluated. [Judgment Criteria] ◎: Good foam breakage and extremely easy rinsing ○: Poor foam breakage, but no problem in practical use ×: Poor foam breakage, difficult to rinse

[0033]

[Table 1]

The components shown in the table are as follows, and the same applies to Tables 2 to 9. The components in the table are described as 100% active ingredient. * 1: SAS ... Sodium alkane sulfonate (manufactured by Clariant Japan / Product name: Hostapur
SAS60) * 2: AS ... sodium alkylsulfate (manufactured by Kao / product name: Emar 10 needle HD) * 3: AES ... alkyl ether sulphate (manufactured by Lion / product name: SANNOL DM-1430) * 4: AOS・ ・ ・ Sodium α-olefin sulfonate (Lion Co., Ltd./Product name: Liporan 440) * 5: NTA ... Nitrilotriacetate trisodium (Solucia Co., Ltd./Product name: NTA) * 6: EDTA ... Ethylenediaminetetraacetic acid Tetrasodium (manufactured by Teikoku Chemical Industry Co., Ltd./Product name: Clewat TAA) * 7: Polyacrylate: sodium polyacrylate (average molecular weight: 8000 / manufactured by BF /
Product name: Sokalan PA-30) * 8: Glutamic acid diacetate ... L-Glutamic acid diacetate tetrasodium (Showa Denko / Product name: GLDA) * 9: Methylglycine diacetate ... Methylglycine diacetate Sodium (Product name: Trilon M Liquid manufactured by BSF) * 10: Diethylene glycol monobutyl ether
・ ・ (Kyowa Hakko Co., Ltd./Product name: Butixenol 20) * 11: Diethylene glycol monoethyl ether
・ ・ (Nippon Shokubai Co., Ltd./Product name: Seafosol DG) * 12: Xylene sulfonate ... Sodium xylene sulfonate (Albright & Wilson / Product name: ELTESOL SX-93) * 13: Cumene sulfonate ... Cumen Sodium sulfonate (manufactured by Teika / Product name: Teika Tox N50
40)

[0035]

[Table 2]

[0036]

[Table 3]

[0037]

[Table 4]

[0038]

[Table 5]

[0039]

[Table 6]

[0040]

[Table 7]

[0041]

[Table 8]

[0042]

[Table 9]

In Examples 1 to 36, which are the alkaline detergent compositions of the present invention, it is found that good performance is exhibited in any of the test items of pH, appearance, detergency, storage stability, and defoaming property. .

Comparative Examples 1, 2, and 9 are examples in which no sequestering agent is contained, and it can be seen that there are problems in appearance and storage stability.

Comparative Example 3 is a case where the alkali agent is only a silicate, and it is understood that the cleaning performance, the appearance and the storage stability are inferior. Further, Comparative Example 4 uses an alkaline agent as
This is an example in the case of containing neither an alkali metal hydroxide nor a silicate, and it can be seen that the cleaning performance is inferior. Further, in Comparative Example 5, it is understood that the alkali agent is an alkali metal hydroxide alone and the appearance and cleaning performance are poor. Then, Comparative Example 6 is an example in which, of the alkaline agents, silicate was blended in the detergent composition in an amount of more than 10% by mass, and it can be seen that the appearance and storage stability are inferior.

Comparative Example 7 is an example in which no surfactant is contained, and it can be seen that the appearance, storage stability and cleaning performance are inferior. Further, Comparative Example 8 is an example of the case where the surfactant was blended in the detergent composition in an amount of more than 5% by mass, and it was found that the foam breaking property was inferior.

Comparative Example 10 is an example in which the sequestering agent was blended in the detergent composition in an amount of more than 10% by mass, and it can be seen that the appearance and storage stability are inferior.

Comparative Example 11 is an example in which no water-soluble solvent is contained, and it can be seen that the cleaning property is inferior. Also,
In Comparative Example 12, the water-soluble solvent is 20% by mass in the detergent composition.
It is an example in the case of being blended in excess of 10 and it can be seen that the appearance and storage stability are inferior.

Comparative Example 13 is an example in which, of the alkaline agents, alkali metal hydroxide was blended in the detergent composition in an amount of more than 5% by mass, and it was found that the appearance and storage stability were inferior. .

[0050]

Industrial Applicability The alkaline cleaning composition of the present invention is an oil stain on a range, a ventilation fan, a griddle, and an oven in a kitchen, a hotel, a restaurant, a school lunch, an employee cafeteria, a food processing factory, a kitchen or a workplace such as a restaurant. It is possible to obtain an alkaline detergent composition suitable for the cleaning application.

More specifically, in particular, even under high temperature and low temperature, polymerization hardening and further carbonization of oil stains and grease can be easily washed with good finish and excellent storage stability can be obtained. It is possible to provide an alkaline detergent composition having properties.

Front page continued (51) Int.Cl. ⁷ Identification code FI theme code (reference) C11D 3/08 C11D 3/08 3/20 3/20 3/33 3/33 3/34 3/34 3/37 3 / 37 (72) Inventor Mari Wada 2-1-1 Yoyogi, Shibuya-ku, Tokyo Within T-Pole Co., Ltd. (72) Inventor Mitsuo Sado 22 Yamashita-cho, Naka-ku, Yokohama-shi, Kanagawa Johnson Professional Co., Ltd. F Term (reference) 4H003 AB14 AB15 AB19 AB27 AB31 BA12 DA05 DB02 EA15 EA21 EB07 EB08 EB16 EB22 EB30 ED02 ED29 FA04 FA28

Claims (6)

[Claims] 1. (a) 0.1 to 5% by mass of alkali metal hydroxide which is sodium hydroxide and / or potassium hydroxide.
And 0.1 to 10% by mass of a silicate, 0.2 to 15% by mass of an alkaline agent, and (b) 1 to anionic surfactant.
5% by mass, (c) 0.1 to 10% by mass of sequestering agent, (d) 3 to 20% by mass of water-soluble glycol solvent,
(E) An alkaline detergent composition containing water. 2. The anionic surfactant is one or more selected from alkylbenzene sulfonate, alkane sulfonate, alkyl sulfate ester salt, alkyl ether sulfate ester salt, and α-olefin sulfonate. The alkaline cleaning composition described. 3. The sequestering agent is nitrilotriacetate,
The alkaline detergent composition according to claim 1 or 2, which is one or more selected from ethylenediaminetetraacetate, polyacrylate, glutamic acid diacetate, methylglycine diacetate, and gluconate. 4. The water-soluble glycol solvent is diethylene glycol monobutyl ether and / or diethylene glycol monoethyl ether.
The alkaline cleaning composition described. 5. The composition according to claim 1, further comprising (f) one or more selected from xylene sulfonate, cumene sulfonate and p-toluene sulfonate.
The alkaline cleaning composition described. 6. An application for cleaning oil stains on stoves, ventilation fans, griddles and ovens in kitchens and kitchens.
The alkaline cleaning composition according to any one of claims 1 to 5.