CN113637531A - Oil removing agent for cleaning metal workpiece of electronic product and preparation method thereof - Google Patents

Oil removing agent for cleaning metal workpiece of electronic product and preparation method thereof Download PDF

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Publication number
CN113637531A
CN113637531A CN202010392727.4A CN202010392727A CN113637531A CN 113637531 A CN113637531 A CN 113637531A CN 202010392727 A CN202010392727 A CN 202010392727A CN 113637531 A CN113637531 A CN 113637531A
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parts
agent
oil removing
cleaning
electronic product
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窦进军
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Jiangsu Jiumao Precision Electronic Technology Co Ltd
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Jiangsu Jiumao Precision Electronic Technology Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66Non-ionic compounds
    • C11D1/83Mixtures of non-ionic with anionic compounds
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/02Inorganic compounds ; Elemental compounds
    • C11D3/04Water-soluble compounds
    • C11D3/044Hydroxides or bases
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/02Inorganic compounds ; Elemental compounds
    • C11D3/04Water-soluble compounds
    • C11D3/046Salts
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    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16Organic compounds
    • C11D3/20Organic compounds containing oxygen
    • C11D3/2003Alcohols; Phenols
    • C11D3/2006Monohydric alcohols
    • C11D3/201Monohydric alcohols linear
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16Organic compounds
    • C11D3/20Organic compounds containing oxygen
    • C11D3/2003Alcohols; Phenols
    • C11D3/2006Monohydric alcohols
    • C11D3/2017Monohydric alcohols branched
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16Organic compounds
    • C11D3/20Organic compounds containing oxygen
    • C11D3/2003Alcohols; Phenols
    • C11D3/2006Monohydric alcohols
    • C11D3/2034Monohydric alcohols aromatic
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16Organic compounds
    • C11D3/20Organic compounds containing oxygen
    • C11D3/2068Ethers
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16Organic compounds
    • C11D3/34Organic compounds containing sulfur
    • C11D3/3472Organic compounds containing sulfur additionally containing -COOH groups or derivatives thereof
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16Organic compounds
    • C11D3/36Organic compounds containing phosphorus
    • C11D3/364Organic compounds containing phosphorus containing nitrogen
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16Organic compounds
    • C11D3/37Polymers
    • C11D3/3703Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/373Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicones
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/43Solvents
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02Anionic compounds
    • C11D1/04Carboxylic acids or salts thereof
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02Anionic compounds
    • C11D1/12Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/14Sulfonic acids or sulfuric acid esters; Salts thereof derived from aliphatic hydrocarbons or mono-alcohols
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02Anionic compounds
    • C11D1/12Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/14Sulfonic acids or sulfuric acid esters; Salts thereof derived from aliphatic hydrocarbons or mono-alcohols
    • C11D1/146Sulfuric acid esters
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02Anionic compounds
    • C11D1/12Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/22Sulfonic acids or sulfuric acid esters; Salts thereof derived from aromatic compounds
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66Non-ionic compounds
    • C11D1/72Ethers of polyoxyalkylene glycols
    • C11D2111/22

Abstract

The invention discloses an oil removing agent for cleaning metal workpieces of electronic products and a preparation method thereof, belonging to the technical field of processing of electronic products.

Description

Oil removing agent for cleaning metal workpiece of electronic product and preparation method thereof
Technical Field
The invention relates to the technical field of electronic product processing, in particular to an oil removing agent for cleaning a metal workpiece of an electronic product and a preparation method thereof.
Background
The electronic product is a related product based on electric energy, and mainly comprises: watches, smart phones, telephones, televisions, video disc players, video recorders, camcorders, radios, radio cassettes, combination speakers, compact disc players, computers, game consoles, mobile communication products, and the like. The early products were named electronic products mainly based on electronic tubes.
The production process of electronic products often needs to use metal workpieces for processing, the surfaces of general metal workpieces need to be cleaned before use, oil removing agents are needed in the oil removing cleaning process, the oil removing agents are complex mixtures formed by organic and inorganic chemicals of water matrixes, and the oil removing agents are novel industrial oil removing agents developed by utilizing the principles of emulsification and saponification. The cleaning agent has wide application in the industrial fields of metal processing, food, textile, traffic, ships, buildings, electric appliances, medicines, chemical engineering and the like, and the cleaning aims are consistent and are to recover the cleanliness of the surface of the substrate and maintain the integrity of the surface of the substrate although the substrates on the cleaned surface are different.
The main components of the existing oil removing agent are strong acid, strong base, surfactant and the like, which can only treat light oil stains on the surface layer of metal generally, and have low cleaning efficiency, long cleaning time and poor effect on the heavy oil stains; the oil removing agent can generate more foams in the using process, the oil removing effect and cleaning after oil removal are influenced, and the existing oil removing agent contains phosphorus, so that the environmental pollution is large and the environmental protection is not facilitated.
Disclosure of Invention
1. Technical problem to be solved
The oil removing agent is prepared by compounding a surfactant, ethanol and other solvents and hydroxide according to a certain proportion, can effectively remove oil stains, has a good oil stain removing effect on mineral oil by compounding a nonionic surfactant and an anionic surfactant, and realizes the treatment of metal workpieces with different oil stain degrees.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
An oil removing agent for cleaning metal workpieces of electronic products comprises the following components in parts by weight:
35-45 parts of surfactant, 20-30 parts of solvent, 4-8 parts of glycerin fatty acid ester sulfate, 3-7 parts of sodium tetraborate, 8-10 parts of alkali metal hydroxide, 1-2 parts of antioxidant, 1-2 parts of complexing agent, 4-8 parts of defoaming agent and 60-80 parts of deionized water.
Further, the surfactant comprises an anionic surfactant and a nonionic surfactant, and the mass ratio of the anionic surfactant to the nonionic surfactant is 1-1.2: 1.5.
further, the anionic surfactant is one or a mixture of more than two of stearic acid, sodium dodecyl benzene sulfonate, sodium dioctyl sulfosuccinate and sodium dodecyl sulfate.
Further, the nonionic surfactant is one or a mixture of more than two of polyoxyethylene ether of alkylphenol, polyoxyethylene ether of nonylphenol, fatty alcohol polyoxyethylene ether and fatty acid methyl ester polyoxyethylene ether.
Further, the solvent is a mixture of ethanol and isopropanol, and the mass ratio of the ethanol to the isopropanol is 1: 1.2-1.5.
Further, the alkali metal hydroxide is one or two of sodium hydroxide and potassium hydroxide according to a mass ratio of 1: 1.5.
Further, the complexing agent is one or a mixture of more than two of ethylene diamine tetra (methylene) sodium phosphate, diethylene triamine penta (methylene phosphonic acid) sodium and amino trimethylene phosphate.
Further, the antioxidant is one or a mixture of more than two of butyl hydroxy anisole, dibutyl hydroxy toluene and tert-butyl hydroquinone.
Further, the defoaming agent is polydimethylsiloxane.
A preparation method of an oil removal agent for cleaning metal workpieces of electronic products comprises the following steps:
s1, preparing a surfactant, a solvent, glycerin fatty acid ester sulfate, sodium tetraborate, alkali metal hydroxide, an antioxidant, a complexing agent, a defoaming agent and deionized water according to the weight part ratio;
s2, placing the surfactant, the solvent, the glycerin fatty acid ester sulfate, the sodium tetraborate and the alkali metal hydroxide into a clean mixer, stirring for 10-20min at normal temperature, and fully and uniformly mixing to obtain a mixed solution A;
s3, adding a defoaming agent, a complexing agent and deionized water into the mixed solution A, and continuously stirring for 10-15min to obtain mixed solution B;
and S4, adding an antioxidant into the mixed solution B, and continuously stirring for 5-8min to obtain a finished product of the degreasing agent.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) according to the oil removing agent disclosed by the invention, the surfactant, the solvents such as ethanol and the like, deionized water and hydroxide are compounded according to a certain proportion, so that the oil stain can be effectively removed, the compounding of the nonionic surfactant and the anionic surfactant has a good effect of removing mineral oil, and the treatment of metal workpieces with different oil stain degrees is realized.
(2) The glycerin fatty acid ester sulfate and the sodium tetraborate are added in the invention, and have better synergistic cooperation effect, so that the oil stain on the surface of the metal workpiece can be removed.
(3) The complexing agent is added in the invention, which can play a role of complexing metal ions, can also enable oily components to settle, reduce the oil removal working temperature and realize the capacity expansion of the oil removal capability.
(4) The defoaming agent is added in a certain proportion, so that foams generated in the preparation process and the cleaning process can be reduced, and the difficulty of oil stain removal work is reduced.
(5) The antioxidant is added in a certain proportion, so that the oil removing agent is not easy to oxidize during storage, and the storage time of the oil removing agent is prolonged.
(6) The environment-friendly oil removing agent does not contain phosphorus element polluting the environment, is environment-friendly, is easy to biodegrade and has little pollution to the environment.
Drawings
FIG. 1 is a flow chart of the steps of the preparation method of the present invention.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
Example 1:
referring to fig. 1, an oil removing agent for cleaning a metal workpiece of an electronic product comprises the following components in parts by weight:
35 parts of surfactant, 20 parts of solvent, 4 parts of glycerin fatty acid ester sulfate, 3 parts of sodium tetraborate, 8 parts of alkali metal hydroxide, 1 part of antioxidant, 1 part of complexing agent, 4 parts of defoaming agent and 60 parts of deionized water.
The surfactant comprises an anionic surfactant and a nonionic surfactant, wherein the mass ratio of the anionic surfactant to the nonionic surfactant is 1: 1.5. the anionic surfactant is sodium dodecyl benzene sulfonate, and the nonionic surfactant is polyoxyethylene ether of alkylphenol.
The solvent is a mixture of ethanol and isopropanol, and the mass ratio of the ethanol to the isopropanol is 1: 1.2. the alkali metal hydroxide is sodium hydroxide, the complexing agent is ethylene diamine tetra methylene sodium phosphate, the antioxidant is butyl hydroxy anisole, and the defoaming agent is polydimethylsiloxane.
Referring to fig. 1, a method for preparing a degreasing agent for cleaning a metal workpiece of an electronic product includes the following steps:
s1, preparing a surfactant, a solvent, glycerin fatty acid ester sulfate, sodium tetraborate, alkali metal hydroxide, an antioxidant, a complexing agent, a defoaming agent and deionized water according to the weight part ratio;
s2, placing the surfactant, the solvent, the glycerin fatty acid ester sulfate, the sodium tetraborate and the alkali metal hydroxide into a clean mixer, stirring for 10min at normal temperature, and fully and uniformly mixing to obtain a mixed solution A;
s3, adding a defoaming agent, a complexing agent and deionized water into the mixed solution A, and continuously stirring for 10min to obtain a mixed solution B;
and S4, adding an antioxidant into the mixed solution B, and continuously stirring for 5min to obtain a finished product of the degreasing agent.
Example 2:
an oil removing agent for cleaning metal workpieces of electronic products comprises the following components in parts by weight:
40 parts of surfactant, 25 parts of solvent, 6 parts of glycerin fatty acid ester sulfate, 5 parts of sodium tetraborate, 9 parts of alkali metal hydroxide, 1.5 parts of antioxidant, 1.5 parts of complexing agent, 6 parts of defoaming agent and 70 parts of deionized water.
The surfactant comprises an anionic surfactant and a nonionic surfactant, and the mass ratio of the anionic surfactant to the nonionic surfactant is 1.1: 1.5.
wherein the anionic surfactant is a mixture of stearic acid and sodium dodecyl benzene sulfonate, and the nonionic surfactant is a mixture of polyoxyethylene ether of alkylphenol and polyoxyethylene ether of nonylphenol.
The solvent is a mixture of ethanol and isopropanol, and the mass ratio of the ethanol to the isopropanol is 1: 1.35. the alkali metal hydroxide is potassium hydroxide, the complexing agent is a mixture of ethylene diamine tetramethylene sodium phosphate and diethylene triamine pentamethylene phosphonic acid sodium, the antioxidant is a mixture of butyl hydroxy anisole and dibutyl hydroxy toluene, and the defoaming agent is polydimethylsiloxane.
Referring to fig. 1, a method for preparing a degreasing agent for cleaning a metal workpiece of an electronic product includes the following steps:
s1, preparing a surfactant, a solvent, glycerin fatty acid ester sulfate, sodium tetraborate, alkali metal hydroxide, an antioxidant, a complexing agent, a defoaming agent and deionized water according to the weight part ratio;
s2, placing the surfactant, the solvent, the glycerin fatty acid ester sulfate, the sodium tetraborate and the alkali metal hydroxide into a clean mixer, stirring for 15min at normal temperature, and fully and uniformly mixing to obtain a mixed solution A;
s3, adding a defoaming agent, a complexing agent and deionized water into the mixed solution A, and continuously stirring for 12.5min to obtain mixed solution B;
and S4, adding an antioxidant into the mixed solution B, and continuously stirring for 6min to obtain a finished product of the degreasing agent.
Example 3:
an oil removing agent for cleaning metal workpieces of electronic products comprises the following components in parts by weight:
45 parts of surfactant, 30 parts of solvent, 8 parts of glycerin fatty acid ester sulfate, 7 parts of sodium tetraborate, 10 parts of alkali metal hydroxide, 2 parts of antioxidant, 2 parts of complexing agent, 8 parts of defoaming agent and 80 parts of deionized water.
The surfactant comprises an anionic surfactant and a nonionic surfactant, and the mass ratio of the anionic surfactant to the nonionic surfactant is 1.2: 1.5.
wherein the anionic surfactant is a mixture of sodium dioctyl sulfosuccinate and sodium dodecyl sulfate. The nonionic surfactant is a mixture of fatty alcohol-polyoxyethylene ether and fatty acid methyl ester-polyoxyethylene ether.
The solvent is a mixture of ethanol and isopropanol, and the mass ratio of the ethanol to the isopropanol is 1: 1.5. the alkali metal hydroxide is sodium hydroxide and potassium hydroxide according to the mass ratio of 1: 1.5. The complexing agent is amino trimethylene phosphate. The antioxidant is a mixture of butyl hydroxy anisole and tert-butyl hydroquinone. The defoaming agent is polydimethylsiloxane.
Referring to fig. 1, a method for preparing a degreasing agent for cleaning a metal workpiece of an electronic product includes the following steps:
s1, preparing a surfactant, a solvent, glycerin fatty acid ester sulfate, sodium tetraborate, alkali metal hydroxide, an antioxidant, a complexing agent, a defoaming agent and deionized water according to the weight part ratio;
s2, placing the surfactant, the solvent, the glycerin fatty acid ester sulfate, the sodium tetraborate and the alkali metal hydroxide into a clean mixer, stirring for 20min at normal temperature, and fully and uniformly mixing to obtain a mixed solution A;
s3, adding a defoaming agent, a complexing agent and deionized water into the mixed solution A, and continuously stirring for 15min to obtain a mixed solution B;
and S4, adding an antioxidant into the mixed solution B, and continuously stirring for 8min to obtain a finished product of the degreasing agent.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.

Claims (10)

1. The oil removing agent for cleaning the metal workpiece of the electronic product is characterized in that: the paint comprises the following components in parts by weight:
35-45 parts of surfactant, 20-30 parts of solvent, 4-8 parts of glycerin fatty acid ester sulfate, 3-7 parts of sodium tetraborate, 8-10 parts of alkali metal hydroxide, 1-2 parts of antioxidant, 1-2 parts of complexing agent, 4-8 parts of defoaming agent and 60-80 parts of deionized water.
2. The oil removing agent for cleaning the metal workpiece of the electronic product as claimed in claim 1, wherein: the surfactant comprises an anionic surfactant and a nonionic surfactant, wherein the mass ratio of the anionic surfactant to the nonionic surfactant is 1-1.2: 1.5.
3. the oil removing agent for cleaning the metal workpiece of the electronic product as claimed in claim 1, wherein: the anionic surfactant is one or a mixture of more than two of stearic acid, sodium dodecyl benzene sulfonate, dioctyl sodium sulfosuccinate and sodium dodecyl sulfate.
4. The oil removing agent for cleaning the metal workpiece of the electronic product as claimed in claim 1, wherein: the nonionic surfactant is one or a mixture of more than two of polyoxyethylene ether of alkylphenol, polyoxyethylene ether of nonylphenol, fatty alcohol polyoxyethylene ether and fatty acid methyl ester polyoxyethylene ether.
5. The oil removing agent for cleaning the metal workpiece of the electronic product as claimed in claim 1, wherein: the solvent is a mixture of ethanol and isopropanol, and the mass ratio of the ethanol to the isopropanol is 1: 1.2-1.5.
6. The oil removing agent for cleaning the metal workpiece of the electronic product as claimed in claim 1, wherein: the alkali metal hydroxide is one or two of sodium hydroxide and potassium hydroxide according to the mass ratio of 1: 1.5.
7. The oil removing agent for cleaning the metal workpiece of the electronic product as claimed in claim 1, wherein: the complexing agent is one or a mixture of more than two of ethylene diamine tetra-methylene sodium phosphate, diethylene triamine penta-methylene sodium phosphonate and amino trimethylene phosphate.
8. The oil removing agent for cleaning the metal workpiece of the electronic product as claimed in claim 1, wherein: the antioxidant is one or a mixture of more than two of butyl hydroxy anisole, dibutyl hydroxy toluene and tert-butyl hydroquinone.
9. The oil removing agent for cleaning the metal workpiece of the electronic product as claimed in claim 1, wherein: the defoaming agent is polydimethylsiloxane.
10. A method for preparing the oil removing agent for cleaning the metal workpiece of the electronic product according to any one of claims 1 to 9, which is characterized in that: the method comprises the following steps:
s1, preparing a surfactant, a solvent, glycerin fatty acid ester sulfate, sodium tetraborate, alkali metal hydroxide, an antioxidant, a complexing agent, a defoaming agent and deionized water according to the weight part ratio;
s2, placing the surfactant, the solvent, the glycerin fatty acid ester sulfate, the sodium tetraborate and the alkali metal hydroxide into a clean mixer, stirring for 10-20min at normal temperature, and fully and uniformly mixing to obtain a mixed solution A;
s3, adding a defoaming agent, a complexing agent and deionized water into the mixed solution A, and continuously stirring for 10-15min to obtain mixed solution B;
and S4, adding an antioxidant into the mixed solution B, and continuously stirring for 5-8min to obtain a finished product of the degreasing agent.
CN202010392727.4A 2020-05-11 2020-05-11 Oil removing agent for cleaning metal workpiece of electronic product and preparation method thereof Pending CN113637531A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115161130A (en) * 2022-07-15 2022-10-11 天津市光复科技发展有限公司 Preparation method of efficient environment-friendly water-based deoiling cleaning agent

Citations (3)

* Cited by examiner, † Cited by third party
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CN105908208A (en) * 2016-03-28 2016-08-31 绵阳维克切削液有限责任公司 Cold-rolled silicon steel normal-temperature zero-release oil removal agent and preparation method thereof
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Application publication date: 20211112