CN110982642A - Neutral silicone oil silicone grease cleaning agent and preparation method and application thereof - Google Patents
Neutral silicone oil silicone grease cleaning agent and preparation method and application thereof Download PDFInfo
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- 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
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- 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
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- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
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- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
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- 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
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- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
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Abstract
The invention relates to a neutral silicone oil silicone grease cleaning agent which comprises the following components in parts by weight: 0.5-2.0 parts of a builder; 0.5-2.0 parts of complexing agent; 0.2-0.8 part of penetrant; 0.2-1.0 part of copper corrosion inhibitor; 0.2-2.0 parts of aluminum corrosion inhibitor; 0.2-6.0 parts of steel antirust agent; 0.2-2.0 parts of solubilizer; 1.0-20.0 parts of nonionic surfactant; 0.0-20.0 parts of mixed surfactant; and the balance is added with water to 100 parts. The cleaning agent has simple and scientific action mechanism, generates permeation, emulsification and stripping effects on silicone grease dirt through the synergistic effect of all cleaning components, generates a protection effect on the metal surface cleaned by the cleaning agent through the mutual synergy of all metal corrosion inhibitors or protective agents, and has the characteristic of optimal effect on cleaning and protection.
Description
Technical Field
The invention belongs to the technical field of industrial cleaning agents, and particularly relates to a neutral silicone oil silicone grease cleaning agent, and a preparation method and application thereof.
Background
The application range of the silicone grease is very wide. It is not only used as special material of rail transit, aviation, military technology department, but also used in each department of national economy, and its application range has been expanded to: building, electronics, electricity, textile, automobile, machinery, leather and paper making, chemical engineering, light industry, metal and paint, medical treatment and other fields. The application of the silicone grease on the brake valve of the rail transit locomotive is quite mature and wide, but the effect of cleaning the silicone grease on the brake valve on a full-automatic cleaning line is poor, the cleanliness requirement before installation can be met only by ultrasonic cleaning or cleaning the brake valve by spraying or cleaning in combination with ultrasonic cleaning and manual secondary cleaning, the materials such as cast iron, aluminum alloy, copper alloy and the like on the brake valve cannot be corroded in the cleaning process, and the short-term protection effect on the brake valve after cleaning is achieved. At present, most of silicone oil silicone grease cleaning agents are prepared by compounding phosphate as a builder, sodium nitrite as an antirust agent, nonylphenol polyoxyethylene ether and the like as surfactants, or organic solvents such as isopropanol, ethanol, petroleum ether, short-chain alcohol ether, chlorohydrocarbon, acetone or hydrocarbon solvents and the like are used as cleaning agents, and the cleaning agents have the potential safety hazards of high toxicity, flammability, explosiveness and the like and face the elimination.
Through search, a patent document (patent application number: ZL 201210471827.1, name: a water-based silicone grease cleaning agent) relating to a silicone grease cleaning agent is found, and the water-based silicone grease cleaning agent is prepared by uniformly mixing and stirring 3-8% of a water-based silicone grease cleaning agent, 2-5% of sodium polyacrylate, 5-10% of a water-soluble surfactant, 1-2% of an oil-soluble surfactant, 1-2% of an organic base, 5-10% of an alcohol ether solvent, 0.01-0.05% of lemon essence and the balance of water.
The water-based silicone grease and silicone oil cleaning agent does not contain phosphorus and VOC substances, and the water-based silicone grease and silicone oil cleaning agent replaces a solvent cleaning agent to clean silicone grease and silicone oil, so that the water-based silicone grease and silicone oil cleaning agent is safe and environment-friendly to use and high in cleaning efficiency; the cost is low, and the diluted product is diluted by 10-20 times for use; the ultrasonic cleaning only needs 4-6min, the raw material source is wide, and the method is suitable for industrial production.
By contrast, the present patent application is substantially different from the above patent publications.
Disclosure of Invention
The neutral silicone oil silicone grease cleaning agent is safe and environment-friendly, has strong cleaning power on silicone oil silicone grease, does not corrode various metal materials, has short-term protection effect, has good compatibility with the silicone oil silicone grease, and can be used for directly coating the silicone oil silicone grease on a cleaned workpiece.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a neutral silicone oil silicone grease cleaning agent comprises the following components in parts by weight:
the builder is one or a mixture of more than two of sodium carbonate, potassium chloride and sodium benzoate;
or the complexing agent is one or a mixture of more than two of methylglycine diacetic acid, polyaspartic acid and sodium polyepoxysuccinate.
Moreover, the penetrant is one or a mixture of two of branched alkyl glucoside and di-sec-octyl maleate sodium sulfonate;
or the copper corrosion inhibitor is one or a mixture of methylbenzotriazole and 2-thiol benzothiazole.
And the aluminum material corrosion inhibitor is one or a mixture of more than two of siloxane, DK-80 and anycoat TM-3.
The steel antirust agent is one or a mixture of more than two of an amido carboxylic acid antirust agent, monoethanolamine borate, diethanolamine borate, triethanolamine borate and triethanolamine oleate soap;
wherein, the carboxylic acid in the amido carboxylic acid antirust agent is one or a mixture of more of mono-element, binary or ternary organic carboxylic acid, and the carbon atom number of the carboxylic acid is between 9 and 12.
And the solubilizer is one or a mixture of more than two of PI-LQ-AP, cocoalkyl dihydroxyethyl methyl quaternary ammonium chloride salt ethoxylate and alkyl glycoside.
The nonionic surfactant is one or a mixture of more than two of isooctanol polyoxypropylene polyoxyethylene ether, isomeric dodecyl alcohol polyoxyethylene ether and polyether L61;
wherein the EO number of the isomeric dodecyl alcohol polyoxyethylene ether is 7;
or the mixed surfactant is one or the mixture of more than two of RQ-129B, Crodaaquat DGR and Berol Amc-1.
When the neutral silicone oil silicone grease cleaning agent is used, the neutral silicone oil silicone grease cleaning agent is diluted to be 5-10% in mass concentration for use.
The preparation method of the neutral silicone oil silicone grease cleaning agent comprises the following steps:
⑴ adding water into the production kettle, heating to 20-40 deg.C, adding builder and complexing agent, keeping the temperature at 20-40 deg.C, stirring for 20-30 min to ensure complete dissolution of builder and complexing agent;
⑵ sequentially adding penetrant, copper corrosion inhibitor, aluminum corrosion inhibitor and steel rust inhibitor into the production kettle, keeping the temperature of the production kettle at 20-40 ℃, and fully stirring for 30-60 minutes to form uniform transparent solution;
⑶ adding solubilizer, nonionic surfactant and mixed surfactant into the production kettle, maintaining the temperature of the production kettle at 20-40 deg.C, and stirring for 30-60 min until it is uniform and transparent, to obtain neutral silicone oil silicone grease cleaning agent.
The neutral silicone grease cleaning agent is applied to the aspect of cleaning silicone grease.
The invention has the advantages and positive effects that:
1. the action mechanism of the cleaning agent is simple and scientific, the selected raw materials have excellent cleaning or protecting effect, and various performances of the raw materials are obviously enhanced and improved through the synergistic effect of the raw materials after compounding. The nonionic surfactant and the mixed surfactant have the functions of penetrating, emulsifying and stripping silicone grease; the penetrating agent can assist the surfactant to quickly penetrate through the silicone oil silicone grease layer and penetrate to the surface of the workpiece, so that the cleaning efficiency is obviously improved; the copper corrosion inhibitor, the aluminum corrosion inhibitor and the steel rust inhibitor have very strong adsorption on the metal surface, and can form a uniform and firm hydrophobic protective film on the metal surface; the solubilizer is very suitable for the system, the solubilization effect is obvious, and the cleaning agent system is stable and does not delaminate under the condition of normal temperature to 60 ℃.
2. The cleaning agent has high cleaning efficiency on the silicone grease, the using concentration is 5-10%, and the silicone grease on the workpiece can be cleaned by ultrasonic cleaning for 4-6 minutes; the antirust agent does not corrode metal materials such as steel, aluminum alloy, copper alloy and the like, and can meet the requirement of 2-5 days of rust prevention between working procedures.
3. The neutral silicone oil silicone grease cleaning agent is a neutral product, is mild in property, low in cost, non-combustible and non-explosive, does not contain harmful substances such as sodium nitrite, phosphorus, nonylphenol polyoxyethylene ether, heavy metal salt and Volatile Organic Compounds (VOC), and belongs to a cleaning agent which is safe, environment-friendly and non-toxic and does not damage human health and the environment.
4. The preparation method is simple, the raw materials are wide in source and easy to obtain, and the method is very suitable for large-scale process production.
Drawings
FIG. 1 is a third-party RoHS test report picture of the neutral silicone grease cleaner of the present invention;
FIG. 2 is a report picture of acute inhalation toxicity evaluation of product "Disinfection technical Specification" 2002 edition of neutral silicone grease cleaner of the present invention;
FIG. 3 is a test report picture of a product detection center of the neutral silicone grease cleaner of the present invention;
FIG. 4 is a photograph showing a field application case of the neutral silicone grease cleaner of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention is provided for the purpose of illustration and not limitation, and should not be construed as limiting the scope of the invention.
The raw materials used in the invention are conventional commercial products unless otherwise specified; the methods used in the present invention are conventional in the art unless otherwise specified.
A neutral silicone oil silicone grease cleaning agent comprises the following components in parts by weight:
the builder is one or a mixture of more than two of sodium carbonate, potassium chloride and sodium benzoate;
or the complexing agent is one or a mixture of more than two of methylglycine diacetic acid, polyaspartic acid and sodium polyepoxysuccinate.
Preferably, the penetrating agent is one or a mixture of two of branched alkyl glycoside JFC-2G (such as Lv Sen chemical production) and di-sec-octyl maleate sodium sulfonate;
or the copper corrosion inhibitor is one or a mixture of methylbenzotriazole and 2-thiol benzothiazole.
Preferably, the aluminum material corrosion inhibitor is one or a mixture of more than two of siloxane, DK-80 (such as produced by Duken Biotechnology, Inc.) and anyycoat TM-3 (such as produced by Nanjing Danyu New Material technology, Inc.).
Preferably, the steel antirust agent is one or a mixture of more than two of an amido carboxylic acid antirust agent, monoethanolamine borate, diethanolamine borate, triethanolamine borate and triethanolamine oleate soap;
preferably, the carboxylic acid in the amido carboxylic acid antirust agent is one or a mixture of a plurality of mono-, di-or tri-organic carboxylic acids, and the carbon atom number of the carboxylic acid is between 9 and 12.
Preferably, the solubilizer is one or a mixture of more than two of PI-LQ-AP, cocoalkyl dihydroxyethyl methyl quaternary ammonium chloride salt ethoxylate (such as ethoquad c/25) and alkyl glycoside APG (such as Glucopon 225 DK).
Preferably, the nonionic surfactant is isooctanol polyoxypropylene polyoxyethylene ether (C)8H18O(C3H6O)9(C2H4O)9) (such as produced by Haian petrochemical plant), isomeric dodecyl alcohol polyoxyethylene ether, and polyether L61 (such as produced by Haian petrochemical plant);
wherein the EO number of the isomeric dodecyl alcohol polyoxyethylene ether is 7;
or the mixed surfactant is RQ-129B (such as manufactured by Shenzhen Rongqiang science and technology Co., Ltd.), CRODAQUAT DGR, and Berol Amc-1 (such as manufactured by Noraon).
Preferably, when the neutral silicone oil silicone grease cleaning agent is used, the neutral silicone oil silicone grease cleaning agent is diluted to be 5-10% in mass concentration for use.
The preparation method of the neutral silicone oil silicone grease cleaning agent comprises the following steps:
⑴ adding water into the production kettle, heating to 20-40 deg.C, adding builder and complexing agent, keeping the temperature at 20-40 deg.C, stirring for 20-30 min to ensure complete dissolution of builder and complexing agent;
⑵ sequentially adding penetrant, copper corrosion inhibitor, aluminum corrosion inhibitor and steel rust inhibitor into the production kettle, keeping the temperature of the production kettle at 20-40 ℃, and fully stirring for 30-60 minutes to form uniform transparent solution;
⑶ adding solubilizer, nonionic surfactant and mixed surfactant into the production kettle, maintaining the temperature of the production kettle at 20-40 deg.C, and stirring for 30-60 min until it is uniform and transparent, to obtain neutral silicone oil silicone grease cleaning agent.
The neutral silicone oil silicone grease cleaning agent can be applied to the aspect of cleaning silicone oil silicone grease, and particularly has special effects on cleaning silicone oil silicone grease on various brake valves used on rail transit locomotives.
Example 1:
the raw materials of the examples of the present invention are all commercially available raw materials.
A neutral silicone oil silicone grease cleaning agent comprises the following components (taking 1000g of the neutral silicone oil silicone grease cleaning agent as an example):
the preparation method of the neutral silicone oil silicone grease cleaning agent comprises the following steps:
⑴ adding appropriate amount of water into the production kettle, heating to 20-40 deg.C, adding sodium carbonate and methylglycine diacetic acid, maintaining the temperature at 20-40 deg.C, stirring for 20-30 min to ensure their complete dissolution;
⑵ sequentially adding JFC-2G, tolyltriazole, DK-80, triethanolamine borate and amido carboxylic acid antirust agent into the production kettle, keeping the temperature of the production kettle at 20-40 deg.C, and stirring for 30-60 min to form uniform transparent solution;
⑶ finally, adding PI-LQ-AP, isomeric dodecyl alcohol polyoxyethylene ether, isooctyl alcohol polyoxypropylene polyoxyethylene ether and RQ-129B with the formula amount into the production kettle, keeping the temperature of the production kettle at 20-40 ℃, and fully stirring for 30-60 minutes until the mixture is uniform and transparent, thus obtaining the neutral silicone oil silicone grease cleaning agent.
Example 2:
a neutral silicone oil silicone grease cleaning agent comprises the following components (taking 1000g of the neutral silicone oil silicone grease cleaning agent as an example):
the preparation method of the neutral silicone oil silicone grease cleaning agent comprises the following steps:
⑴ adding water into the production kettle, heating to 20-40 deg.C, adding potassium carbonate, sodium benzoate and methylglycine diacetic acid, maintaining the temperature at 20-40 deg.C, stirring for 20-30 min to ensure the builder and complexing agent are completely dissolved;
⑵ adding di-sec-octyl maleate sodium sulfonate, methyl benzotriazole, 2-thiol phenyl benzothiazole, anycomat TM-3, monoethanolamine borate and amido carboxylic acid antirust agent into the production kettle in sequence, keeping the temperature of the production kettle at 20-40 ℃, and fully stirring for 30-60 minutes to form a uniform transparent solution;
⑶ adding ethoquad c/25, polyether L61 (Haian petrochemical plant), and Berol Amc-1 (Nuo Li On) into the production kettle, keeping the temperature of the production kettle at 20-40 deg.C, and stirring for 30-60 min until it is uniform and transparent, to obtain the neutral silicone oil silicone grease cleaning agent.
The action mechanism of the cleaning agent of the invention is as follows:
the cleaning agent is compounded by a builder, a complexing agent, a penetrating agent, a nonionic surfactant and a mixed surfactant according to a certain proportion, so that the cleaning agent has very strong penetrating, emulsifying and stripping effects on silicone oil and silicone grease; the builder can not only obviously improve the cleaning capability, but also assist the corrosion inhibitor and enhance the protection of steel, copper alloy and aluminum alloy; the solubilizer suitable for the product system is added, the turbidity point of the product is as high as more than 60 ℃, the layering phenomenon can not occur in the environment with higher temperature, the stability of the product system is obviously improved, and the use is more convenient.
The application example of the neutral silicone oil silicone grease cleaning agent of the invention is as follows:
the neutral silicone oil silicone grease cleaning agent in the embodiment 1 and the embodiment 2 is diluted into an aqueous solution with the mass concentration of 5%, three-groove ultrasonic waves are used at 50 ℃, each groove is cleaned for 2 minutes, and the cleaning time is 6 minutes, so that the silicone oil silicone grease on the brake valve can be cleaned (the qualification rate is more than 98%), no corrosion is caused to cast iron, aluminum alloy and copper alloy materials, and the corrosion phenomenon does not occur after the neutral silicone oil silicone grease cleaning agent is placed in a warehouse for 3 days.
The quality standard of the neutral silicone oil silicone grease cleaning agent is as follows:
appearance: a colorless to yellow transparent liquid;
density: 1.030-1.050 (g/cm)3)；
pH (3% aqueous solution): 7.5-8.5;
antirust property (3% water solution, test piece material: No. 45 steel, 2A12 aluminum alloy, H62 brass, humidity of 90% at 35 ℃, 24H): level 0 (test method: 5.10 in GB/T35759-2017);
corrosivity (3% water solution, specimen material: 45# steel, Z30 cast iron, 2A12 aluminum alloy, H62 brass, soaking at 80 ℃ for 2H): appearance is 0 grade, and the corrosion amount is less than or equal to 3mg (test method: 5.9 in GB/T35759-;
the use concentration is as follows: 5 to 10 percent;
the use temperature is as follows: normal temperature-80 ℃;
storage temperature: 5 ℃ to 60 ℃ below zero.
The related detection of the neutral silicone oil silicone grease cleaning agent of the invention is as follows:
the product can completely remove silicone oil and silicone grease on the surface of a workpiece under the conditions of 50-60 ℃, 5-10% and ultrasonic waves for 4-6 minutes.
The product of the invention is a water-based product, has no flash point, is non-combustible, is non-explosive, and is safe and reliable.
The product of the invention does not contain toxic and harmful substances such as heavy metal, sodium nitrite and the like, is a non-toxic product, and has good environmental protection and health.
The RoHS report of the neutral silicone oil silicone grease cleaning agent is shown in figure 1, the inhalation toxicity report is shown in figure 2, the inspection report is shown in figure 3, and the field application case photo is shown in figure 4.
Although the embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the invention and the appended claims, and therefore the scope of the invention is not limited to the embodiments disclosed.
Claims (10)
1. A neutral silicone oil silicone grease cleaning agent is characterized in that: the composition comprises the following components in parts by weight:
2. the neutral silicone oil silicone grease cleaning agent as set forth in claim 1, characterized in that: the builder is one or a mixture of more than two of sodium carbonate, potassium chloride and sodium benzoate;
or the complexing agent is one or a mixture of more than two of methylglycine diacetic acid, polyaspartic acid and sodium polyepoxysuccinate.
3. The neutral silicone oil silicone grease cleaning agent as set forth in claim 1, characterized in that: the penetrating agent is one or a mixture of two of branched alkyl glucoside and di-sec-octyl maleate sodium sulfonate;
or the copper corrosion inhibitor is one or a mixture of methylbenzotriazole and 2-thiol benzothiazole.
4. The neutral silicone oil silicone grease cleaning agent as set forth in claim 1, characterized in that: the aluminum material corrosion inhibitor is one or a mixture of more than two of siloxane, DK-80 and anycoat TM-3.
5. The neutral silicone oil silicone grease cleaning agent as set forth in claim 1, characterized in that: the steel antirust agent is one or a mixture of more than two of an amido carboxylic acid antirust agent, monoethanolamine borate, diethanolamine borate, triethanolamine borate and triethanolamine oleate soap;
wherein, the carboxylic acid in the amido carboxylic acid antirust agent is one or a mixture of more of mono-element, binary or ternary organic carboxylic acid, and the carbon atom number of the carboxylic acid is between 9 and 12.
6. The neutral silicone oil silicone grease cleaning agent as set forth in claim 1, characterized in that: the solubilizer is one or a mixture of more than two of PI-LQ-AP, cocoalkyl dihydroxyethyl methyl quaternary ammonium chloride salt ethoxylate and alkyl glycoside.
7. The neutral silicone oil silicone grease cleaning agent as set forth in claim 1, characterized in that: the nonionic surfactant is one or a mixture of more than two of isooctanol polyoxypropylene polyoxyethylene ether, isomeric dodecyl alcohol polyoxyethylene ether and polyether L61;
wherein the EO number of the isomeric dodecyl alcohol polyoxyethylene ether is 7;
or the mixed surfactant is one or the mixture of more than two of RQ-129B, CrodaAQUAT DGR and Berolamc-1.
8. Neutral silicone grease cleaner as claimed in any one of claims 1 to 7, wherein: when the neutral silicone oil silicone grease cleaning agent is used, the neutral silicone oil silicone grease cleaning agent is diluted to be used when the mass concentration is 5-10%.
9. The method for preparing neutral silicone oil silicone grease cleaning agent as claimed in any one of claims 1 to 8, characterized in that: the method comprises the following steps:
⑴ adding water into the production kettle, heating to 20-40 deg.C, adding builder and complexing agent, keeping the temperature at 20-40 deg.C, stirring for 20-30 min to ensure complete dissolution of builder and complexing agent;
⑵ sequentially adding penetrant, copper corrosion inhibitor, aluminum corrosion inhibitor and steel rust inhibitor into the production kettle, keeping the temperature of the production kettle at 20-40 ℃, and fully stirring for 30-60 minutes to form uniform transparent solution;
⑶ adding solubilizer, nonionic surfactant and mixed surfactant into the production kettle, maintaining the temperature of the production kettle at 20-40 deg.C, and stirring for 30-60 min until it is uniform and transparent, to obtain neutral silicone oil silicone grease cleaning agent.
10. Use of a neutral silicone grease cleaner as claimed in any one of claims 1 to 9 in cleaning silicone grease.
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