阅读说明：本技术 一种多功能用半水基清洗剂 (Multifunctional semi-water-based cleaning agent ) 是由 甘贵生 刘家文 于 2021-07-28 设计创作，主要内容包括：本发明提供了一种多功能用半水基清洗剂,由以下质量百分比的原料制成:有机溶剂:30％～50％；表面活性剂:5％～10％；PH调节剂:1％～5％；乳化剂:1％～3％；消泡剂:0.5％～2％；光亮剂:2％～5％；余量为去离子水。该清洗剂可满足高闪点不易燃烧,各成分低挥发无毒害,综合成本低,应用范围广,适用方法多,对产品无腐蚀性,具有良好的清洗效果。能广泛应用于电子产品的日常护理,电子组件的焊后松香残留清洗及丝网印刷后的钢网清洗。(The invention provides a multifunctional semi-water-based cleaning agent which is prepared from the following raw materials in percentage by mass, 30-50% of an organic solvent; 5 to 10 percent of surfactant; 1 to 5 percent of PH regulator; 1 to 3 percent of emulsifier; 0.5 to 2 percent of defoaming agent; 2 to 5 percent of brightener; the balance being deionized water. The cleaning agent can meet the requirements of high flash point, difficult combustion, low volatilization of each component, no toxicity, low comprehensive cost, wide application range, multiple application methods, no corrosiveness to products and good cleaning effect. The cleaning agent can be widely applied to daily care of electronic products, cleaning of rosin residues after welding of electronic components and cleaning of steel meshes after screen printing.)

1. The multifunctional semi-water-based cleaning agent is characterized by being prepared from the following raw materials, by mass, 30-50% of an organic solvent; 5 to 10 percent of surfactant; 1 to 5 percent of PH regulator; 1 to 3 percent of emulsifier; 0.5 to 2 percent of defoaming agent; 2 to 5 percent of brightener; the balance of deionized water; the sum of the weight of all the components is 100 percent.

2. The multifunctional semi-aqueous cleaning agent as claimed in claim 1, wherein the organic solvent is any one of dipropylene glycol butyl ether, tetrahydrofurfuryl alcohol, isopropyl alcohol, diethylene glycol, isopar (TM) isoparaffin, or any two thereof are mixed in a mass ratio of more than 0%, or any three thereof are mixed in a mass ratio of more than 0%, or four thereof are mixed in a mass ratio of more than 0%, or five thereof are mixed in a mass ratio of more than 0%.

3. The multifunctional semi-aqueous cleaning agent as claimed in claim 1, wherein the surfactant is Acksotrol 226SA, which is a mixture of ethoxylated alcohol and coco alkyl quaternary amine ethoxylate, wherein the ethoxylated alcohol is 30-50%; 30-50% of coconut alkyl quaternary amine ethoxylate.

4. The multifunctional semi-aqueous cleaning agent as claimed in claim 1, wherein the pH regulator is one of triethanolamine, monoethanolamine, sodium carbonate, sodium acetate and sodium acetate, or any two of them are mixed in a mass ratio of more than 0%, or any three of them are mixed in a mass ratio of more than 0%, or four of them are mixed in a mass ratio of more than 0%, or five of them are mixed in a mass ratio of more than 0%.

5. The multifunctional semi-aqueous cleaning agent as claimed in claim 1, wherein the emulsifier is one of isomeric tridecanol polyoxyethylene, alkyl glycoside Glucopon650EC (natural surfactant) or their mixture with mass ratio of more than 0%, wherein isomeric tridecanol polyoxyethylene is not less than 50%.

6. The multifunctional semi-aqueous cleaning agent as claimed in claim 1, wherein the defoaming agent is one or more than 0% by mass of acetylene glycol ethoxylate 365 and polyether Z-2964.

7. The multifunctional semi-aqueous cleaning agent as claimed in claim 1, wherein the brightening agent is coconut diethanolamide.

8. The multifunctional semi-water-based cleaning agent as claimed in claims 1-7, wherein the semi-water-based cleaning agent is a weakly alkaline cleaning agent, and the pH value of the semi-water-based cleaning agent is 10-12.

Technical Field

The invention belongs to the field of manufacturing of cleaning agents in the electronic industry, and particularly relates to a multifunctional semi-water-based cleaning agent.

Background

With the rapid development of electronic packaging technology, the structure of the packaging body becomes complex, and the types of the adopted soldering flux are more and more, so that pollutants with different properties are remained after welding. In order to reduce the environmental hazard, ODS-based cleaning agents have been completely released from the market. And the replacement of solvent-based cleaning agents and semi-water-based cleaning agents gradually occupies the market.

In the prior art, Chinese patent CN202010122524.3 proposes a solvent type cleaning agent and a preparation method thereof, and the solvent type cleaning agent comprises the following components of 60-80 parts of gasoline (200#), 5-15 parts of flame retardant, 1-10 parts of deodorant, 1-10 parts of surfactant and 5-15 parts of penetrating agent. The main solvent is gasoline, which belongs to non-renewable energy, and the non-clean energy can pollute the environment; secondly, the price of gasoline is expensive, and the cost is greatly increased during the production; in addition, gasoline belongs to flammable and explosive materials, is very easy to explode under the conditions of high temperature and high pressure, and can cause adverse reactions such as dizziness, vomiting and the like when being inhaled in a large quantity. Other common solvent-based cleaning agents, such as hydrocarbon solvents like isomeric hydrocarbon, have low flash points, belong to flammable and explosive dangerous chemicals, limit the application range and have great potential safety hazards.

The patent CN201110448564.8 provides a printing plate roller ultrasonic water-based cleaning agent and a preparation method thereof, and the cleaning agent comprises 3-5% of borate surfactant by mass percent; 2 to 4 percent of inorganic alkaline matter; 0.5 to 1 percent of metal corrosion inhibitor; 0.5 to 1 percent of chelating agent and 1 to 3 percent of penetrating agent; 0.4 to 0.6 percent of anionic surfactant; the balance being pure water. The preparation method is complex, the components can be uniformly mixed only by heating to 60-65 ℃, and the borate surfactant can be prepared only by stirring for 1 hour at 70-90 ℃. The cleaning method is limited to ultrasonic cleaning, and the cleaning object is residual ink in the net holes; by utilizing the ultrasonic cavitation, high temperature, high pressure, shock waves and the like generated by the collapse of a cavity formed in liquid are not suitable for cleaning an electronic circuit board after welding under the long-time ultrasonic action, and small components of the electronic circuit board can cause adverse effects such as damage, looseness and the like; meanwhile, the cleaning efficiency is low.

In order to solve the defects of the prior art, the invention provides the multifunctional semi-water-based cleaning agent and the cleaning method, and the cleaning agent can meet the requirements of high flash point, difficult combustion, low volatilization of all components, no toxicity, low comprehensive cost, wide application range, multiple application methods, no corrosion to products and good cleaning effect. The cleaning agent can be widely applied to daily care of electronic products, cleaning of rosin residues after welding of electronic components and cleaning of steel meshes after screen printing.

Disclosure of Invention

In order to achieve the aim, the invention provides the following technical scheme that the multifunctional semi-water-based cleaning agent is characterized by being prepared from the following raw materials in percentage by mass:

30 to 50 percent of organic solvent; 5 to 10 percent of surfactant; 1 to 5 percent of PH regulator; 1 to 3 percent of emulsifier; 0.5 to 2 percent of defoaming agent; 2 to 5 percent of brightener; the balance of deionized water; the sum of the weight of all the components is 100 percent.

The organic solvent is any one of dipropylene glycol butyl ether, tetrahydrofurfuryl alcohol, isopropanol, diethylene glycol and Isopar (TM) isoparaffin, or any two of the dipropylene glycol butyl ether, the tetrahydrofurfuryl alcohol, the isopropanol, the diethylene glycol and the Isopar (TM) isoparaffin are mixed in a mass ratio of more than 0%, or any three of the dipropylene glycol butyl ether, the tetrahydrofurfuryl alcohol, the isopropanol, the diethylene glycol and the Isopar (TM) isoparaffin are mixed in a mass ratio of more than 0%, or four of the organic solvent and the Isopar (TM) isoparaffin are mixed in a mass ratio of more than 0%, or five of the organic solvent and the Isopar (TM) are mixed in a mass ratio of more than 0%.

The surfactant, Acksotrol 226SA, is a mixture of ethoxylated alcohol and cocoalkyl quaternary amine ethoxylate, wherein the ethoxylated alcohol accounts for 30-50%; 30-50% of coconut alkyl quaternary amine ethoxylate.

The PH regulator is one of triethanolamine, monoethanolamine, sodium carbonate, sodium acetate and sodium acetate, or any two of the triethanolamine, the monoethanolamine, the sodium carbonate, the sodium acetate and the sodium acetate are mixed according to the mass ratio of more than 0% of each of the triethanolamine, the monoethanolamine, the sodium carbonate, the sodium acetate and the sodium acetate, or any three of the triethanolamine, the monoethanolamine, the sodium carbonate, the sodium acetate and the sodium acetate are mixed according to the mass ratio of more than 0% of each of the triethanolamine, the sodium carbonate, the sodium acetate and the sodium acetate, or four of the triethanolamine, the monoethanolamine, the sodium carbonate, the sodium acetate and the sodium acetate are mixed according to the mass ratio of more than 0% of each of the triethanolamine, the sodium acetate and the sodium acetate, or four of the triethanolamine, the sodium acetate and the sodium acetate are mixed according to the mass ratio of each of more than 0% of each of the triethanolamine, the sodium carbonate, the sodium acetate and the sodium acetate, or five of the pH regulators are mixed according to the mass ratio of more than 0% of each of the three of the two of.

The emulsifier is one of isomeric tridecanol polyoxyethylene and alkyl glycoside Glucopon650EC (natural surfactant), or two of isomeric tridecanol polyoxyethylene and alkyl glycoside Glucopon650EC are mixed in mass ratio of more than 0% (wherein isomeric tridecanol polyoxyethylene should not be less than 50%). The emulsion has strong penetrating power and strong emulsifying effect, has a promoting effect on improving the adhesive force of the emulsion, can provide good freezing/melting stability, does not contain benzene rings or APEO, is safe, nontoxic and easily biodegradable, and is particularly suitable for cleaning an oven with thick carbonized oil stains.

The defoaming agent is prepared by mixing one or two of acetylene glycol ethoxy compound 365 and polyether Z-2964 in a mass ratio of more than 0% and compounding a special modified polyether and a fluorine-containing raw material through a special process, is easy to dissolve in water, and is suitable for continuously keeping defoaming and foam inhibition under the conditions of high temperature, strong acid and alkali, high shear force and high pressure. Better acid and alkali resistance and no oil floating; can be used for foam elimination of various severe systems in a wide temperature range. In addition, the method can reduce the dynamic surface tension and the static surface tension of the system, and has better performances of hydrophilicity, wetting, low foam and the like.

The brightening agent is coconut oil fatty acid diethanolamide, is a yellowish to amber viscous liquid in shape, is easy to dissolve in water, and has good functions of foaming, foam stabilization, penetration decontamination, hard water resistance and the like. Good foamability, low toxicity, small irritation to eyes and skin, and the like, has obvious thickening effect when being compatible with anionic surfactants when being acidic, and can be compatible with various surfactants. The cleaning effect can be enhanced, an opaque fog-like solution is formed in water, the solution can be completely transparent under certain stirring, can be completely dissolved in different types of surfactants under certain concentration, and can also be completely dissolved in low carbon and high carbon.

The semi-aqueous cleaning agent is a weakly alkaline cleaning agent, and the pH value of the semi-aqueous cleaning agent is between 10 and 12.

A preparation method of a multifunctional semi-water-based cleaning agent is characterized in that raw materials of each component are respectively measured according to the components and content proportion contained in the semi-water-based cleaning agent, stirred in a reaction kettle with a stirrer until the components are completely mixed, then the stirring is stopped, and the mixture is kept stand.

The cleaning method of the multifunctional semi-water-based cleaning agent is characterized by comprising the following three schemes:

scheme one

Soaking the cleaned part in a cleaning agent at 30-50 ℃ for 35-50 min, taking out and drying;

scheme two

Placing the prepared cleaning agent and a to-be-cleaned part in an ultrasonic cleaning machine, carrying out ultrasonic cleaning for 10-30 min, taking out, and airing (the ultrasonic power is not lower than 200 w);

scheme three

Spraying and cleaning are adopted, the spraying pressure is 0.12-0.5 MPa, the frequency of a stepper is 400Hz, and the cleaning solution is taken out and dried.

Compared with the prior art, the multifunctional semi-water-based cleaning agent and the cleaning process have the following beneficial effects:

(1) the semi-water-based cleaning agent obtained by the invention has low foam and no corrosiveness in the cleaning process;

(2) the semi-water-based cleaning agent disclosed by the invention has the advantages that the surface is free from residue after being cleaned, welding spots are bright, and the surface insulating property is good;

(3) the cleaning method of the semi-water-based cleaning agent is simple, multiple in applicable method, short in cleaning time, high in efficiency and low in comprehensive cost;

(4) the semi-water-based cleaning agent has the advantages of high flash point, difficult combustion, low volatilization of each component, no toxicity, wide application range and good cleaning effect.

The semi-water-based cleaning agent is a large amount of residues and external pollutants generated in the welding process of the conventional surface assembly process, and has high corrosivity and influence on appearance; aiming at the problems that the water-based cleaning agent has poor cleaning effect and cannot clean dead corners, micropores and other parts. Aiming at the defects of high volatility, low flash point, high cost, flammability, toxicity and the like of the solvent type cleaning agent. The cleaning agent can strongly remove the residues on the surface of the rosin type soldering flux after welding by matching with a cleaning process, the welding spot keeps bright, and the surface insulation performance is good; the cleaning agent can meet the requirements of high flash point, difficult combustion, low volatilization of each component, no toxicity, low comprehensive cost, wide application range, multiple application methods, no corrosiveness to products and good cleaning effect. The cleaning agent can be widely applied to daily care of electronic products, cleaning of rosin residues after welding of electronic components and cleaning of steel meshes after screen printing.

Drawings

FIG. 1 illustrates the technical effect of embodiment 1;

FIG. 2 illustrates the technical effect of embodiment 2;

FIG. 3 illustrates the technical effect of embodiment 3;

FIG. 4 illustrates the technical effect of embodiment 4;

FIG. 5 illustrates the technical effect of embodiment 5;

FIG. 6 illustrates the technical effect of embodiment 6;

FIG. 7 illustrates the technical effect of embodiment 7;

fig. 8 shows the technical effect of embodiment 8.

Detailed Description

The present invention will be described in detail with reference to specific embodiments.

Example 1

The weight ratio of the organic solvent is 30 percent, and the dipropylene glycol butyl ether, the diethylene glycol and the isopropanol are 3:2: 1; 5% of surfactant, Acksolberg 226 SA; 1% of pH regulator, triethanolamine, monoethanolamine, sodium carbonate, sodium acetate, 4:3:2:1: 1; 1% of emulsifier, and isomeric tridecanol polyoxyethylene and alkyl glycoside Glucopon650EC which is 4: 1; 0.5% of defoaming agent, which is acetylene glycol ethoxy compound 365; 2% of brightening agent, coconut oil fatty acid diethanolamide; the balance being deionized water.

Example 2

35% of organic solvent, 35% of dipropylene glycol butyl ether, tetrahydrofurfuryl alcohol, isopropanol and Isopar TM isoalkane, 3:2:1: 1; 5.5% of surfactant, Acksol 226 SA; 2% of pH regulator, 2% of triethanolamine, sodium acetate and sodium carbonate in a ratio of 2:1: 1; 1.2% of emulsifier is isomeric tridecanol polyoxyethylene; 0.65% of defoaming agent, which is acetylene glycol ethoxy compound 365; 2.5 percent of brightening agent which is coconut oil fatty acid diethanolamide; the balance being deionized water.

Embodiment 3

The weight ratio of the organic solvent is 30 percent, and the dipropylene glycol butyl ether is tetrahydrofurfuryl alcohol, isopropanol, diethylene glycol and isopar (TM) isoparaffin is 3:2:2:1: 1; 6% of surfactant, Acksolberg 226 SA; 2.5 percent of PH regulator, 3:1 percent of sodium acetate and sodium carbonate; 1% of emulsifier is alkyl glycoside Glucopon650 EC; 0.7% of defoaming agent, which is acetylene glycol ethoxy compound 365; 3% of brightening agent, coconut oil fatty acid diethanolamide; the balance being deionized water.

Example 4

The organic solvent accounts for 35 percent of the weight and is dipropylene glycol butyl ether; 6.5% of surfactant, Acksol 226 SA; 3% of pH regulator, 2:1 of triethanolamine and sodium acetate; 2% of emulsifier, and isomeric tridecanol polyoxyethylene and alkyl glycoside Glucopon650EC which is 1: 1; 1% of defoaming agent, which is polyether Z-2964; 3% of brightening agent, coconut oil fatty acid diethanolamide; the balance being deionized water.

Example 5

The weight ratio of the organic solvent is 30 percent, and the dipropylene glycol butyl ether, the diethylene glycol and the isopropanol are 3:2: 1; surfactant 7%, aksubergol 226 SA; 3.5 percent of PH regulator, 2:1 percent of triethanolamine and sodium acetate; 1.5% of emulsifier, and isomeric tridecanol polyoxyethylene and alkyl glycoside Glucopon650EC which is 2: 1; 1.2% of defoaming agent which is acetylene glycol ethoxy compound 365; 3.5 percent of brightening agent which is coconut oil fatty acid diethanolamide; the balance being deionized water.

Example 6

40% of organic solvent, 2:1 of diethylene glycol and isopropanol; 7.5% of surfactant, Acksol 226 SA; 4 percent of PH regulator, triethanolamine, sodium acetate, sodium carbonate and sodium acetate

4:1:1: 1; 2% of emulsifier, isomeric tridecanol polyoxyethylene and alkyl glycoside Glucopon650EC which is 4: 1; 1.4% of defoaming agent which is acetylene glycol ethoxy compound 365; 4% of brightening agent, coconut oil fatty acid diethanolamide; the balance being deionized water.

Example 7

45% of organic solvent, dipropylene glycol butyl ether, diethylene glycol, isopropanol and Isopar (TM) isoparaffin, wherein the weight ratio of the dipropylene glycol butyl ether to the Isopar TM isoparaffin is 3:2:1: 1; surfactant 9%, aksubergol 226 SA; 4.5 percent of PH regulator, 2:1 percent of triethanolamine and sodium acetate; 2.5% of emulsifier, 5:1 of isomeric tridecanol polyoxyethylene and alkyl glycoside Glucopon650 EC; 1.7 percent of defoaming agent which is polyether Z-2964; 4.5 percent of brightening agent, which is coconut oil fatty acid diethanolamide; the balance being deionized water.

Example 8

The organic solvent accounts for 50 percent of the weight and is isopar (TM) isoparaffin; 10% of a surfactant, Acksol 226 SA; 5% of pH regulator, namely triethanolamine; 3% of emulsifier, 3% of isomeric tridecanol polyoxyethylene and alkyl glycoside Glucopon650EC which is 2: 1; 2% of defoaming agent, namely acetylene glycol ethoxy compound 365, polyether Z-2964 is 3: 1; 5% of brightening agent, coconut oil fatty acid diethanolamide; the balance being deionized water.

The cleaning agent prepared by the embodiment can meet the requirements of high flash point, difficult combustion, low volatilization of each component, no toxicity, low comprehensive cost, wide application range, multiple applicable methods, no corrosion to products and good cleaning effect. The cleaning agent can be widely applied to daily care of electronic products, cleaning of rosin residues after welding of electronic components and cleaning of steel meshes after screen printing. Preferably, the cleaning rate of the embodiment 8 is 99.40% when the embodiment 2 is adopted for cleaning.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and although the present invention has been described in detail by referring to the preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions to the technical solutions of the present invention can be made without departing from the spirit and scope of the technical solutions, and all the modifications and equivalent substitutions should be covered by the claims of the present invention.