CN112899084A - Special cleaning agent for black scale on pot bottom and preparation method thereof - Google Patents
Special cleaning agent for black scale on pot bottom and preparation method thereof Download PDFInfo
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- CN112899084A CN112899084A CN202110082137.6A CN202110082137A CN112899084A CN 112899084 A CN112899084 A CN 112899084A CN 202110082137 A CN202110082137 A CN 202110082137A CN 112899084 A CN112899084 A CN 112899084A
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- cleaning agent
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- boiler
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/04—Carboxylic acids or salts thereof
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/04—Carboxylic acids or salts thereof
- C11D1/06—Ether- or thioether carboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/123—Sulfonic acids or sulfuric acid esters; Salts thereof derived from carboxylic acids, e.g. sulfosuccinates
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/29—Sulfates of polyoxyalkylene ethers
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/044—Hydroxides or bases
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2068—Ethers
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Detergent Compositions (AREA)
Abstract
The invention belongs to the technical field of cleaning agents, and discloses a special cleaning agent for black scale on a pot bottom and a preparation method thereof. The cleaning agent achieves the effects of emulsifying oil stain and cleaning carbon powder by using the sodium abietate, and simultaneously, the sodium abietate can coat dried alkali particles on stains and isolate oxygen, so that the phenomenon that the alkali particles separated out after air drying contact air to cause oxygen absorption and electrochemical corrosion effects with carbon in steel at the bottom of a pot is prevented. Sodium hydroxide is added to achieve the effect of saponifying the oil stain. Meanwhile, according to different concentrations, the flash rust prevention effect is achieved at high concentration. The hydroxyethyl methyl ether can enhance the permeability of the alkali liquor and the sodium abietate, can efficiently dissolve a solidified oil film on the surface of the oil stain, and shortens the permeation time of the alkali liquor and the sodium abietate. The special cleaning agent has the advantages of simple preparation process, no toxic or side effect, high safety and stability, and suitability for mass production in factories.
Description
Technical Field
The invention belongs to the technical field of cleaning agents, and particularly relates to a special cleaning agent for black scale on a pot bottom and a preparation method thereof.
Background
People use food as the day, and people have no need to deal with food in daily life, so that a kitchen at home becomes the most firework-rich place, and a pot is inevitably used for cooking at home, but after a pot is used for a long time, a thick black scale layer appears at the bottom of the pot, so that the appearance is not only influenced, but also the speed of cooking is influenced to a certain extent because the bottom of the pot is covered with the black scale. Aiming at removing black scale on the bottom of a pan, the cleaning agent for removing the black scale on the bottom of the pan at home and abroad on the market at present generally uses a small amount of caustic soda to be compounded with various corrosion inhibitors and surfactants, and has a mild function of cleaning the black scale on the bottom of the pan.
The cleaning agent products of various brands of the pan bottom black scale on the existing market are tested, observed and analyzed, and the cleaning agent can mildly clean the pan bottom black scale, but the cleaning agent has a complex formula, and flash rust and electrochemical corrosion can be caused to damage the pan bottom material when the scale is not completely removed.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide a special cleaning agent for black scale on a pot bottom and a preparation method thereof.
The technical scheme adopted by the invention is as follows: the special cleaning agent for the black scale on the bottom of the pot is mainly prepared from the following raw materials in parts by mass:
0.5-4% of surface active emulsifier, 5-20% of penetrating agent, 2-20% of saponifier and 50-93% of solvent.
Preferably, the cleaning agent is mainly prepared from the following raw materials in parts by mass:
1.5-3.5% of surface active emulsifier, 10-18% of penetrating agent, 5.5-10.5% of saponifier and 60-72% of solvent.
Preferably, the cleaning agent is mainly prepared from the following raw materials in parts by mass:
3% of surface active emulsifier, 15% of penetrating agent, 15% of saponifier and 67% of solvent.
Preferably, the surface active emulsifier comprises an anionic surface active emulsifier.
Preferably, the anionic surface active emulsifier comprises one or more of sodium abietate, sodium laureth sulfate, alcohol ether carboxylate and fatty acid methyl ester sulfonate.
The sodium abietate is widely used in production of washing powder and washing soap in chemical industry and concrete modification in building industry, so that its cost is low and its supply is sufficient. When the consumption of the sodium abietate in the aqueous solution reaches 3 percent or more, the aqueous solution is coated on the hard surface and dried to form a layer of compact film which is adhered on the hard surface and can block air. When the concentration of sodium hydroxide in the alkali liquor is more than four percent, the pH value reaches 14, the stability of the surfactant is determined only by the temperature, and the heat-alkali resistance stability of the sodium abietate is higher than that of other alkali-resistant anionic surfactants.
Preferably, the penetrant comprises an alcohol ether solvent.
Preferably, the alcohol ether solvent comprises one or more of hydroxyethyl methyl ether, propylene glycol methyl ether, ethylene glycol butyl ether and dipropylene glycol methyl ether.
Preferably, the saponifier includes one or more of sodium hydroxide and potassium hydroxide.
Preferably, the solvent comprises deionized water.
A preparation method of a special cleaning agent for black scale on a pot bottom comprises the steps of selecting a surface active emulsifier, a saponifier and a solvent according to corresponding proportions, uniformly mixing, standing, cooling to normal temperature, adding a penetrating agent, and uniformly mixing to obtain a finished product.
The invention has the beneficial effects that:
the invention provides a special cleaning agent for black scale on a pot bottom, which achieves the effects of emulsifying oil stain and cleaning carbon powder by using sodium abietate, and simultaneously, the sodium abietate can coat dried alkali particles on stains and isolate oxygen, so that the phenomenon that the air-dried precipitated alkali particles contact air to cause oxygen absorption electrochemical corrosion effect with carbon in steel on the pot bottom is prevented. Sodium hydroxide is added to achieve the effect of saponifying the oil stain. Meanwhile, according to different concentrations, the flash rust prevention effect is achieved at high concentration.
The permeability of the alkali liquor and the sodium abietate can be enhanced by using the hydroxyethyl methyl ether, the solidified oil film on the surface of the oil stain can be efficiently dissolved, the permeation time of the alkali liquor and the sodium abietate is shortened, and meanwhile, the hydroxyethyl methyl ether can also be used as a film forming auxiliary agent of the sodium abietate, so that the flash rust time before the film forming effect is shortened.
The special cleaning agent for the black scale on the bottom of the boiler has the advantages of simple preparation process, no toxic or side effect, high safety and stability, high decontamination and deoiling strength, quick response, low damage degree to materials when being directly used, and suitability for mass production in factories.
Detailed Description
The present invention is further illustrated below with reference to specific examples. It will be appreciated by those skilled in the art that the following examples, which are set forth to illustrate the present invention, are intended to be part of the present invention, but not to be construed as limiting the scope of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. The examples were carried out under the conventional conditions, unless otherwise specified. The reagents used are all conventional products which are commercially available.
Example 1:
a preparation method of a special cleaning agent for black scale on a pot bottom comprises the steps of selecting 0.5 part of sodium abietate, 2 parts of sodium hydroxide and 50 parts of deionized water according to corresponding proportions, uniformly mixing, standing, cooling to normal temperature, adding 5 parts of hydroxyethyl methyl ether, and uniformly mixing to obtain a finished product.
In the actual preparation process of the above embodiment, a large amount of heat is released when the sodium abietate, the sodium hydroxide and the deionized water are mixed and stirred at normal temperature, and the solution is white turbid. When the solution is fully stirred, kept stand and cooled to normal temperature, the solution should be colorless transparent liquid without viscosity. After addition of hydroxyethyl methyl ether, the solution should be a colorless transparent liquid. After being placed for two to three weeks, different color changes and a small amount of precipitates are generated according to the content of impurities in the raw materials. Therefore, sodium hydroxide with low iron content as an impurity is recommended to be selected, and the sodium hydroxide can be placed for many months without color change if the caustic soda flakes are produced by a certain manufacturer of Wulu wood Qi in Xinjiang.
Otherwise, it turns deep red and has a small amount of Fe (OH) in two weeks3A precipitated solution.
Example 2:
a preparation method of a special cleaning agent for black scale on a boiler bottom comprises the steps of uniformly mixing 4 parts of sodium lauryl polyoxyethylene ether sulfate, 20 parts of potassium hydroxide and 93 parts of deionized water according to corresponding proportions, standing, cooling to normal temperature, adding 20 parts of propylene glycol monomethyl ether, and uniformly mixing to obtain a finished product.
Example 3:
a preparation method of a special cleaning agent for black scale on a boiler bottom comprises the steps of selecting 4 parts of alcohol ether carboxylate (fatty alcohol polyoxyethylene ether sodium carboxylate), 20 parts of potassium hydroxide and 93 parts of deionized water according to corresponding proportions, uniformly mixing, standing, cooling to normal temperature, adding 20 parts of butyl cellosolve, and uniformly mixing to obtain a finished product.
In the above specific embodiment, the sodium fatty alcohol polyoxyethylene ether carboxylate is used as the alcohol ether carboxylate, and the specific materials for the alcohol ether carboxylate are not limited to those provided above, and all of the materials belonging to the alcohol ether carboxylate belong to the protection scope of the present invention.
Example 4:
a preparation method of a special cleaning agent for black scale on a pot bottom comprises the steps of selecting 4 parts of fatty acid methyl ester sulfonate (fatty acid methyl ester sodium sulfonate), 20 parts of potassium hydroxide and 93 parts of deionized water according to corresponding proportions, uniformly mixing, standing, cooling to normal temperature, adding 20 parts of ethylene glycol monobutyl ether, and uniformly mixing to obtain a finished product.
In the above embodiment, sodium fatty acid methyl ester sulfonate is selected as the fatty acid methyl ester sulfonate, and the specific materials for the fatty acid methyl ester sulfonate are not limited to those provided above, and all that belong to the fatty acid methyl ester sulfonate are within the protection scope of the present invention.
Example 5:
a preparation method of a special cleaning agent for black scale on a pot bottom comprises the steps of selecting 1.5 parts of sodium abietate, 5.5 parts of sodium hydroxide and 60 parts of deionized water according to corresponding proportions, uniformly mixing, standing, cooling to normal temperature, adding 10 parts of hydroxyethyl methyl ether, and uniformly mixing to obtain a finished product.
Example 6:
a preparation method of a special cleaning agent for black scale on a pot bottom comprises the steps of selecting 3 parts of sodium abietate, 10.5 parts of sodium hydroxide and 72 parts of deionized water according to corresponding proportions, uniformly mixing, standing, cooling to normal temperature, adding 18 parts of hydroxyethyl methyl ether, and uniformly mixing to obtain a finished product.
Example 7:
a preparation method of a special cleaning agent for black scale on a pot bottom comprises the steps of selecting 3 parts of sodium abietate, 15 parts of sodium hydroxide and 67 parts of deionized water according to corresponding proportions, uniformly mixing, standing, cooling to normal temperature, adding 15 parts of hydroxyethyl methyl ether, and uniformly mixing to obtain a finished product.
Example 8:
a preparation method of a special cleaning agent for black scale on a pot bottom comprises the steps of selecting 0.5 part of sodium abietate, 2.4 parts of sodium hydroxide and 92.1 parts of deionized water according to corresponding proportions, uniformly mixing, standing, cooling to normal temperature, adding 5 parts of hydroxyethyl methyl ether, and uniformly mixing to obtain a finished product.
Example 9:
a preparation method of a special cleaning agent for black scale on a pot bottom comprises the steps of selecting 1.5 parts of sodium abietate, 5.5 parts of sodium hydroxide and 83 parts of deionized water according to corresponding proportions, uniformly mixing, standing, cooling to normal temperature, adding 10 parts of hydroxyethyl methyl ether, and uniformly mixing to obtain a finished product.
Example 10:
a preparation method of a special cleaning agent for black scale on a pot bottom comprises the steps of selecting 2.5 parts of sodium abietate, 10.5 parts of sodium hydroxide and 72 parts of deionized water according to corresponding proportions, uniformly mixing, standing, cooling to normal temperature, adding 15 parts of hydroxyethyl methyl ether, and uniformly mixing to obtain a finished product.
In the practical operation process of the embodiment, the selected synthesis reaction device is a full-automatic organic synthesis reaction device made of stainless steel, and has the specification models of DDS-1000 and DDS-14, and a manufacturer: shanghai investigation instruments Ltd. The selection of the synthesis reaction device is not limited to the above-mentioned one, and all devices capable of performing the corresponding synthesis reaction are within the scope of the present invention.
In the actual operation process of all the embodiments, the selected blending device comprises a three-dimensional motion mixer, stainless steel materials with specification models of SYH-30 and SYH-1000, and manufacturers: jiangyin and Rong mechanical Co. The selection of the stirring device is not limited to the above, and all devices which can complete the corresponding stirring work and have no influence on raw materials belong to the protection scope of the invention.
Sodium abietate, manufacturer: wuhan city Chengxiang chemical industry, Inc.
Sodium lauryl polyoxyethylene ether sulfate, manufacturer: wuhan city Chengxiang chemical industry, Inc.
Alcohol ether carboxylate, manufacturer: wuhan city Chengxiang chemical industry, Inc.
Fatty acid methyl ester sulfonate, manufacturer: wuhan city Chengxiang chemical industry, Inc.
Hydroxyethyl methyl ether, manufacturer: wuhan city Chengxiang chemical industry, Inc.
Propylene glycol methyl ether, manufacturer: wuhan city Chengxiang chemical industry, Inc.
Ethylene glycol butyl ether, manufacturer: wuhan city Chengxiang chemical industry, Inc.
Dipropylene glycol methyl ether, manufacturer: wuhan city Chengxiang chemical industry, Inc.
Sodium hydroxide, manufacturer: wuhan city Chengxiang chemical industry, Inc.
Potassium hydroxide, manufacturer: wuhan city Chengxiang chemical industry, Inc.
Examples of the experiments
The special cleaning agent for black scale on the bottom of a pan has the effect of black scale removal and rust flash prevention and corrosion resistance effect experiment comparison.
The experimental method comprises the following steps: taking 22 stainless steel pots with the scales on the pot bottoms close to each other, numbering the pots as No. 1-22, respectively dividing the pots into 11 groups, wherein each group comprises 2 pots, one pot in each group is exposed in the air after being applied with an experimental reagent, and the other pot is sealed by a preservative film after being applied with the experimental reagent. Groups 1-10 are experimental groups, and the reagents prepared in the above examples were selected. Group 11 was a control group, and a control reagent was used.
Selecting experimental group reagents, and preparing a special cleaning agent for black scale at the bottom of five pots in the first to fifth examples; and selecting a control group lusterly-dancing-flying pan bottom descaling agent (Shenzhen, Longgang-region lusterly-dancing-flying daily necessities, Co., Ltd.).
The experimental method comprises the following steps: the finished product and the control component prepared in the above embodiment are respectively applied to the pan bottoms with the corresponding numbers, 10 ml of the finished product and the control component are respectively sprayed, one of the finished product and the control component is exposed in the air, the other pan is wound and sealed by a PVC preservative film, the pan bottoms are brushed by a rigid plastic brush after the pan bottoms are placed in a room for 12 hours, residual substances are cleaned by clean water, and the finished product and the control component are observed, analyzed and recorded after the pan bottoms are naturally dried. The room temperature was between 20-25 ℃ during the experiment.
The experimental results are as follows:
the results show that: the special cleaning agent for the black scale on the bottom of the pan provided by the invention has strong cleaning capability on the black scale under the condition of high concentration, can avoid the occurrence of flash rust of stainless steel on the bottom of the pan, and can reduce the corrosivity on the material of the bottom of the pan to a certain extent.
The applicant suggests that if the material is not corroded at all, the PVC preservative film for the pot needs to be covered to isolate the air when the pot is used.
The invention provides a special cleaning agent for black scale on a pot bottom, which achieves the effects of emulsifying oil stain and cleaning carbon powder by using sodium abietate, and simultaneously, the sodium abietate can coat dried alkali particles on stains and isolate oxygen, so that the phenomenon that the air-dried precipitated alkali particles contact air to cause oxygen absorption electrochemical corrosion effect with carbon in steel on the pot bottom is prevented. Sodium hydroxide is added to achieve the effect of saponifying the oil stain. Meanwhile, according to different concentrations, the flash rust prevention effect is achieved at high concentration.
The permeability of the alkali liquor and the sodium abietate can be enhanced by using the hydroxyethyl methyl ether, the solidified oil film on the surface of the oil stain can be efficiently dissolved, the permeation time of the alkali liquor and the sodium abietate is shortened, and meanwhile, the hydroxyethyl methyl ether can also be used as a film forming auxiliary agent of the sodium abietate, so that the flash rust time before the film forming effect is shortened.
The special cleaning agent for the black scale on the bottom of the boiler has the advantages of simple preparation process, no toxic or side effect, high safety and stability, and suitability for mass production in factories.
While particular embodiments of the present invention have been illustrated and described, it will be appreciated that the present invention is not limited to the above-described alternative embodiments, and that various other forms of product may be devised by anyone in light of the present invention. The foregoing detailed description should not be construed as limiting the scope of the invention, and it will be understood by those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or that equivalent substitutions may be made to some or all of the technical features thereof, without departing from the spirit and scope of the invention, and that these modifications or substitutions may not substantially depart from the essence of the corresponding technical solutions.
Claims (10)
1. The special cleaning agent for the black scale on the bottom of the pot is characterized by being prepared from the following raw materials in parts by mass:
0.5-4% of surface active emulsifier, 5-20% of penetrating agent, 2-20% of saponifier and 50-93% of solvent.
2. The special cleaning agent for the black scale on the bottom of the boiler as claimed in claim 1, wherein the cleaning agent is mainly prepared from the following raw materials in parts by mass:
1.5-3.5% of surface active emulsifier, 10-18% of penetrating agent, 5.5-10.5% of saponifier and 60-72% of solvent.
3. The special cleaning agent for the black scale on the bottom of the boiler as claimed in claim 2, wherein the cleaning agent is mainly prepared from the following raw materials in parts by mass:
3% of surface active emulsifier, 15% of penetrating agent, 15% of saponifier and 67% of solvent.
4. The special cleaning agent for the black dirt on the bottom of a boiler as claimed in any one of claims 1 to 3, wherein the surface active emulsifier comprises an anionic surface active emulsifier.
5. The special cleaning agent for the black scale on the bottom of the boiler, as recited in claim 4, wherein the anionic surface active emulsifier comprises one or more of sodium abietate, sodium laureth sulfate, alcohol ether carboxylate and fatty acid methyl ester sulfonate.
6. The special cleaning agent for the black scale on the bottom of the boiler as claimed in any one of claims 1 to 3, wherein the penetrating agent comprises an alcohol ether solvent.
7. The special cleaning agent for the black scale on the bottom of the boiler, according to claim 6, is characterized in that the alcohol ether solvent comprises one or more of hydroxyethyl methyl ether, propylene glycol methyl ether, ethylene glycol butyl ether and dipropylene glycol methyl ether.
8. The special cleaning agent for the black scale on the bottom of the boiler as claimed in any one of claims 1 to 3, wherein the saponifying agent comprises one or more of sodium hydroxide and potassium hydroxide.
9. The special cleaning agent for the black scale on the bottom of the boiler, according to any one of claims 1 to 3, characterized in that the solvent comprises deionized water.
10. The preparation method of the special cleaning agent for the black scale on the bottom of the boiler according to any one of claims 1 to 3, characterized in that the preparation method comprises selecting the surface active emulsifier, the saponifier and the solvent according to corresponding proportions, mixing uniformly, standing, cooling to normal temperature, adding the penetrating agent, and mixing uniformly to obtain a finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110082137.6A CN112899084A (en) | 2021-01-21 | 2021-01-21 | Special cleaning agent for black scale on pot bottom and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110082137.6A CN112899084A (en) | 2021-01-21 | 2021-01-21 | Special cleaning agent for black scale on pot bottom and preparation method thereof |
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2021
- 2021-01-21 CN CN202110082137.6A patent/CN112899084A/en active Pending
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| EP0159794A2 (en) * | 1984-03-19 | 1985-10-30 | Albright & Wilson Limited | Novel surfactants |
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| CN106281750A (en) * | 2016-07-27 | 2017-01-04 | 得洁日化科技有限公司 | Gel heavy duty detergent fumes from cleaning agent |
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Application publication date: 20210604 |
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