CN110734813A - photovoltaic cell panel cleaning agent with good antifreezing performance and preparation method thereof - Google Patents

photovoltaic cell panel cleaning agent with good antifreezing performance and preparation method thereof Download PDF

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Publication number
CN110734813A
CN110734813A CN201810794445.XA CN201810794445A CN110734813A CN 110734813 A CN110734813 A CN 110734813A CN 201810794445 A CN201810794445 A CN 201810794445A CN 110734813 A CN110734813 A CN 110734813A
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component
parts
fatty alcohol
cell panel
photovoltaic cell
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丁娜娜
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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
    • C11D1/66—Non-ionic compounds
    • C11D1/83—Mixtures of non-ionic with anionic compounds
    • 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
    • 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
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/04—Water-soluble compounds
    • C11D3/046—Salts
    • 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
    • C11D3/06—Phosphates, including polyphosphates
    • 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
    • C11D3/2003—Alcohols; Phenols
    • C11D3/2006—Monohydric alcohols
    • C11D3/2017—Monohydric alcohols branched
    • 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
    • C11D3/2096—Heterocyclic compounds
    • 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
    • C11D3/26—Organic compounds containing nitrogen
    • C11D3/28—Heterocyclic compounds containing nitrogen in the ring
    • 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
    • C11D3/34—Organic compounds containing sulfur
    • C11D3/3472—Organic compounds containing sulfur additionally containing -COOH groups or derivatives 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
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/38—Products with no well-defined composition, e.g. natural products
    • C11D3/384—Animal products
    • 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
    • C11D1/008—Polymeric surface-active agents
    • 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
    • C11D1/66—Non-ionic compounds
    • 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
    • C11D1/66—Non-ionic compounds
    • C11D1/72—Ethers of polyoxyalkylene glycols

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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)
  • Zoology (AREA)
  • Detergent Compositions (AREA)

Abstract

The invention relates to the field of solar cleaning products, in particular to photovoltaic cell panel cleaning agents with good antifreezing performance and a preparation method thereof.

Description

photovoltaic cell panel cleaning agent with good antifreezing performance and preparation method thereof
Technical Field
The invention relates to the field of solar cleaning products, in particular to photovoltaic cell panel cleaning agents with good antifreezing performance and a preparation method thereof.
Background
The photovoltaic power station is built, the power generation amount is basically eaten by the heaven, the main way which can be controlled by manpower is to clean the surface of the component except for avoiding the loss caused by the fault of electrical equipment, the 83 point is particularly obvious in the place with pollution and dust, the influence of the accumulated dust on the solar photovoltaic power station is that the dust is used as a substance with a small heat conduction coefficient and attached to the surface of the photovoltaic panel to block the heat of the photovoltaic panel from being transmitted outwards, so that the heat of the photovoltaic panel cannot be released, the temperature of the photovoltaic panel is high, the efficiency of the photovoltaic power generation is influenced, meanwhile, the risk of local overheating and spontaneous combustion of the panel is possibly generated, namely, the hot spot effect, the temperature effect of the accumulated dust directly influences the temperature of the component, the power output of the photovoltaic component is influenced, the safety hazard of the local overheating of the component is caused, the influence of the local overheating of the photovoltaic power generation by the temperature effect of the accumulated dust on the surface of the component is obviously influenced by the dirt on the principle that the local overheating of the dirt on the surface of the photovoltaic power generation component, the dirt is generated, the dirt on the surface of the photovoltaic power generation component, the photovoltaic power generation efficiency of the photovoltaic component is obviously reduced, the principle that the dirt is generated by the dirt, the dirt on the surface of the dirt on the photovoltaic power generation efficiency of the photovoltaic power generation component, the dirt on the photovoltaic power generation efficiency of the photovoltaic power generation component, the photovoltaic power generation area, the dirt on.
The photovoltaic cell panel cleaning agent prepared by the prior art is poor in antifreezing property and poor in cleaning effect, and stubborn stains on the surface of a photovoltaic cell panel component cannot be cleaned efficiently.
Disclosure of Invention
Aiming at the problems, the photovoltaic cell panel cleaning agents with good antifreezing performance, which are prepared by the invention, can efficiently clean stubborn stains on the surface of a photovoltaic cell panel component and have good antifreezing performance.
In order to achieve the purpose, the invention adopts the following technical scheme:
photovoltaic cell panel cleaning agents with good antifreezing performance comprise, by weight, 1-3 parts of polyoxyethylene fatty alcohol ether, 3-4 parts of sodium sulfosuccinate, 4-5 parts of cocoyl diethanolamine, 3-5 parts of sodium pyrophosphate, 25-36 parts of buffer solution, 30-40 parts of isopropanol and 45-50 parts of distilled water.
Preferably, the preparation method of the photovoltaic cell panel cleaning agents with good antifreezing performance comprises the following steps:
a. weighing sodium hydroxide with the mass of 5% of polyoxyethylene fatty alcohol ether, mixing the sodium hydroxide and the polyoxyethylene fatty alcohol ether, putting the mixture into an external circulation type ethoxylation reactor, circularly introducing protective gas, heating to 20-30 ℃, slowly adding 1-2 mol of propylene oxide, controlling the temperature to 25-34 ℃ and the pressure to 0.4-0.6 Mpa, and then preserving heat and reducing the pressure to normal pressure to obtain a component A;
b. neutralizing the component A with acetic acid with the mass of 5% of polyoxyethylene fatty alcohol ether to obtain modified fatty alcohol-polyoxyethylene ether;
c. adding distilled water into the modified polyoxyethylene fatty alcohol ether, sodium sulfosuccinate dihexyl ester, cocoyl diethanolamine, sodium pyrophosphate and isopropanol, mixing to obtain a component B, heating and stirring the component B, controlling the temperature at 37-40 ℃, reacting for 2-3 h, adding a buffer solution to adjust the pH value of the component B, keeping the pH value at 7-8, and finally standing and cooling the component B to obtain a finished cleaning agent.
Preferably, the preparation method of the buffer solution comprises the following steps: taking 5.05g of barbiturate sodium, adding 3.7g of sodium chloride and a proper amount of distilled water, preparing the three into a solution, taking 0.5g of gelatin, adding a proper amount of distilled water, heating to dissolve, then adding the gelatin into the solution, and then adjusting the pH value to 7.8 by using 0.2mol/L hydrochloric acid solution.
Preferably, the protective gas in step a is nitrogen.
Preferably, the mass concentration of the sodium hydroxide and the mass concentration of the acetic acid in the step a are both 5-10%.
Preferably, the stirring speed of the component B in the step c is 300-350 r/min, and the stirring time of the component B is 15-30 min.
By adopting the technical scheme, the invention has the beneficial effects that:
1. the cleaning agent prepared by the invention has excellent antifreezing performance, and the pH value of the component B is kept at 7-8 by using the buffer solution in the preparation process of the cleaning agent, so that the component B is alkalescent, and the cleaning effect of the cleaning agent can be effectively enhanced.
2. Sodium hydroxide and propylene oxide are introduced into the fatty alcohol-polyoxyethylene ether, the polyether molecular structure can reduce the viscosity of the fatty alcohol-polyoxyethylene ether and improve the fluidity of the fatty alcohol-polyoxyethylene ether, so that the modified fatty alcohol-polyoxyethylene ether has low foaming property and is beneficial to improving the washing property, the modified fatty alcohol-polyoxyethylene ether has good compatibility with sodium sulfosuccinate dihexyl ester, cocoyl diethanolamine and sodium pyrophosphate, and the four components are mutually synergistic to efficiently clean the photovoltaic cell panel.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
Example 1:
types of photovoltaic cell panel cleaning with good antifreezing performance are characterized by comprising 1 part of polyoxyethylene fatty alcohol ether, 4 parts of sodium sulfosuccinate dihexyl ester, 4 parts of cocoyl diethanolamine, 5 parts of sodium pyrophosphate, 25 parts of buffer solution, 40 parts of isopropanol and 45 parts of distilled water in parts by weight.
photovoltaic cell panel cleaning agents with good antifreezing performance, and the preparation method comprises the following steps:
a. weighing sodium hydroxide with the mass of 5% of polyoxyethylene fatty alcohol ether, mixing the sodium hydroxide and the polyoxyethylene fatty alcohol ether, putting the mixture into an external circulation type ethoxylation reactor, circularly introducing protective gas, heating to 20 ℃, slowly adding 2mol of propylene oxide, controlling the temperature to be 25 ℃ and the pressure to be 0.55Mpa, and then preserving heat and reducing the pressure to normal pressure to obtain a component A;
b. neutralizing the component A with acetic acid with the mass of 5% of polyoxyethylene fatty alcohol ether to obtain modified fatty alcohol-polyoxyethylene ether;
c. and (2) adding distilled water into the modified polyoxyethylene fatty alcohol ether, sodium sulfosuccinate dihexyl ester, cocoyl diethanolamine, sodium pyrophosphate and isopropanol, mixing to obtain a component B, heating and stirring the component B, controlling the temperature at 37 ℃, reacting for 2.5 hours, adding a buffer solution to adjust the pH value of the component B, keeping the pH value at 7, and finally standing and cooling the component B to obtain a finished product of the cleaning agent.
In the step a, the mass concentration of the sodium hydroxide and the mass concentration of the acetic acid are both 5 percent.
The stirring speed of the component B in the step c is 300r/min, and the stirring time of the component B is 15 min.
Example 2:
photovoltaic cell panel cleaning agents with good antifreezing performance are characterized by comprising, by weight, 2.5 parts of polyoxyethylene fatty alcohol ether, 3.2 parts of sodium sulfosuccinate dihexyl ester, 5 parts of cocoyl diethanolamine, 3 parts of sodium pyrophosphate, 30 parts of buffer, 32 parts of isopropanol and 46 parts of distilled water.
photovoltaic cell panel cleaning agents with good antifreezing performance, and the preparation method comprises the following steps:
a. weighing sodium hydroxide with the mass of 5% of polyoxyethylene fatty alcohol ether, mixing the sodium hydroxide and the polyoxyethylene fatty alcohol ether, putting the mixture into an external circulation type ethoxylation reactor, circularly introducing protective gas, heating to 24 ℃, slowly adding 1mol of propylene oxide, controlling the temperature to be 28 ℃ and the pressure to be 0.4Mpa, and then preserving heat and reducing the pressure to normal pressure to obtain a component A;
b. neutralizing the component A with acetic acid with the mass of 5% of polyoxyethylene fatty alcohol ether to obtain modified fatty alcohol-polyoxyethylene ether;
c. and (2) adding distilled water into the modified polyoxyethylene fatty alcohol ether, sodium sulfosuccinate dihexyl ester, cocoyl diethanolamine, sodium pyrophosphate and isopropanol, mixing to obtain a component B, heating and stirring the component B, controlling the temperature at 39 ℃, reacting for 2 hours, adding a buffer solution to adjust the pH value of the component B, keeping the pH value at 7.4, and finally standing and cooling the component B to obtain a finished product of the cleaning agent.
In the step a, the mass concentration of the sodium hydroxide and the mass concentration of the acetic acid are both 7 percent.
The stirring speed of the component B in the step c is 310r/min, and the stirring time of the component B is 20 min.
Example 3:
photovoltaic cell panel cleaning agents with good antifreezing performance are characterized by comprising, by weight, 2 parts of polyoxyethylene fatty alcohol ether, 3.8 parts of sodium sulfosuccinate dihexyl ester, 4.3 parts of cocoyl diethanolamine, 4.5 parts of sodium pyrophosphate, 36 parts of buffer solution, 30 parts of isopropanol and 50 parts of distilled water.
photovoltaic cell panel cleaning agents with good antifreezing performance, and the preparation method comprises the following steps:
a. weighing sodium hydroxide with the mass of 5% of polyoxyethylene fatty alcohol ether, mixing the sodium hydroxide and the polyoxyethylene fatty alcohol ether, putting the mixture into an external circulation type ethoxylation reactor, circularly introducing protective gas, heating to 30 ℃, slowly adding 1.5mol of propylene oxide, controlling the temperature to be 34 ℃ and the pressure to be 0.5Mpa, and then preserving heat and reducing the pressure to normal pressure to obtain a component A;
b. neutralizing the component A with acetic acid with the mass of 5% of polyoxyethylene fatty alcohol ether to obtain modified fatty alcohol-polyoxyethylene ether;
c. and (2) adding distilled water into the modified polyoxyethylene fatty alcohol ether, sodium sulfosuccinate dihexyl ester, cocoyl diethanolamine, sodium pyrophosphate and isopropanol, mixing to obtain a component B, heating and stirring the component B, controlling the temperature at 38 ℃, reacting for 2.8 hours, adding a buffer solution to adjust the pH value of the component B, keeping the pH value at 8, and finally standing and cooling the component B to obtain a finished cleaning agent.
In the step a, the mass concentration of the sodium hydroxide and the mass concentration of the acetic acid are both 8.5 percent.
The stirring speed of the component B in the step c is 325r/min, and the stirring time of the component B is 25 min.
Example 4:
types of photovoltaic cell panel cleaning agents with good antifreezing performance are characterized by comprising, by weight, 3 parts of polyoxyethylene fatty alcohol ether, 3 parts of sodium sulfosuccinate dihexyl ester, 4.7 parts of cocoyl diethanolamine, 4 parts of sodium pyrophosphate, 28 parts of buffer solution, 35 parts of isopropanol and 48 parts of distilled water.
photovoltaic cell panel cleaning agents with good antifreezing performance, and the preparation method comprises the following steps:
a. weighing sodium hydroxide with the mass of 5% of polyoxyethylene fatty alcohol ether, mixing the sodium hydroxide and the polyoxyethylene fatty alcohol ether, putting the mixture into an external circulation type ethoxylation reactor, circularly introducing protective gas, heating to 28 ℃, slowly adding 1.8mol of propylene oxide, controlling the temperature to be 30 ℃ and the pressure to be 0.6Mpa, and then preserving heat and reducing the pressure to normal pressure to obtain a component A;
b. neutralizing the component A with acetic acid with the mass of 5% of polyoxyethylene fatty alcohol ether to obtain modified fatty alcohol-polyoxyethylene ether;
c. and (2) adding distilled water into the modified polyoxyethylene fatty alcohol ether, sodium sulfosuccinate dihexyl ester, cocoyl diethanolamine, sodium pyrophosphate and isopropanol, mixing to obtain a component B, heating and stirring the component B, controlling the temperature at 40 ℃, reacting for 3 hours, adding a buffer solution to adjust the pH value of the component B, keeping the pH value at 7.8, and finally standing and cooling the component B to obtain a finished product of the cleaning agent.
In the step a, the mass concentration of the sodium hydroxide and the mass concentration of the acetic acid are both 10 percent.
The stirring speed of the component B in the step c is 350r/min, and the stirring time of the component B is 30 min.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (6)

  1. The photovoltaic cell panel cleaning agent with good antifreezing performance is characterized by comprising, by weight, 1-3 parts of polyoxyethylene fatty alcohol ether, 3-4 parts of sodium sulfosuccinate, 4-5 parts of cocoyl diethanolamine, 3-5 parts of sodium pyrophosphate, 25-36 parts of a buffer solution, 30-40 parts of isopropanol and 45-50 parts of distilled water.
  2. 2. The photovoltaic cell panel cleaning agent with good antifreezing performance as defined in claim 1, wherein the preparation method comprises the following steps:
    a. weighing sodium hydroxide with the mass of 5% of polyoxyethylene fatty alcohol ether, mixing the sodium hydroxide and the polyoxyethylene fatty alcohol ether, putting the mixture into an external circulation type ethoxylation reactor, circularly introducing protective gas, heating to 20-30 ℃, slowly adding 1-2 mol of propylene oxide, controlling the temperature to 25-34 ℃ and the pressure to 0.4-0.6 Mpa, and then preserving heat and reducing the pressure to normal pressure to obtain a component A;
    b. neutralizing the component A with acetic acid with the mass of 5% of polyoxyethylene fatty alcohol ether to obtain modified fatty alcohol-polyoxyethylene ether;
    c. adding distilled water into the modified polyoxyethylene fatty alcohol ether, sodium sulfosuccinate dihexyl ester, cocoyl diethanolamine, sodium pyrophosphate and isopropanol, mixing to obtain a component B, heating and stirring the component B, controlling the temperature at 37-40 ℃, reacting for 2-3 h, adding a buffer solution to adjust the pH value of the component B, keeping the pH value at 7-8, and finally standing and cooling the component B to obtain a finished cleaning agent.
  3. 3. The photovoltaic cell panel cleaning agent with good antifreezing performance as defined in claim 1, wherein the preparation method of the buffer solution comprises the steps of taking 5.05g of barbiturate sodium, adding 3.7g of sodium chloride and a proper amount of distilled water, preparing the three into a solution, taking 0.5g of gelatin and a proper amount of distilled water, heating to dissolve the gelatin, then adding the gelatin into the solution, and then adjusting the pH to 7.8 by using 0.2mol/L hydrochloric acid solution.
  4. 4. The method for preparing photovoltaic cell panel cleaning agents with good antifreezing performance according to claim 2, wherein the protective gas in step a is nitrogen.
  5. 5. The preparation method of photovoltaic cell panel cleaning agents with good antifreezing performance according to claim 2, wherein the mass concentrations of sodium hydroxide and acetic acid in the step a are both 5-10%.
  6. 6. The preparation method of the photovoltaic cell panel cleaning agents with good antifreezing performance according to claim 2, wherein the stirring speed of the component B in the step c is 300-350 r/min, and the stirring time of the component B is 15-30 min.
CN201810794445.XA 2018-07-19 2018-07-19 photovoltaic cell panel cleaning agent with good antifreezing performance and preparation method thereof Pending CN110734813A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112940875A (en) * 2021-02-05 2021-06-11 嘉兴市小辰光伏科技有限公司 Solar cell silicon wafer cleaning agent and solar cell silicon wafer cleaning method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112940875A (en) * 2021-02-05 2021-06-11 嘉兴市小辰光伏科技有限公司 Solar cell silicon wafer cleaning agent and solar cell silicon wafer cleaning method

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Application publication date: 20200131

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