CN114672373B

CN114672373B - Special weakly alkaline cleaning agent for diamond grinding fluid and preparation method thereof

Info

Publication number: CN114672373B
Application number: CN202210275507.2A
Authority: CN
Inventors: 朱日东; 张兰宇
Original assignee: SHENZHEN RONGQIANG TECHNOLOGY CO LTD
Current assignee: SHENZHEN RONGQIANG TECHNOLOGY CO LTD
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2023-09-19
Anticipated expiration: 2042-03-21
Also published as: CN114672373A

Abstract

The application relates to the field of preparation of cleaning agents, and particularly discloses a weakly alkaline cleaning agent special for diamond grinding fluid and a preparation method thereof; the cleaning agent is prepared from the following raw materials in parts by weight: 3-8 parts of weak base, 1-3 parts of compound complex, 5-15 parts of dispersing agent, 2-5 parts of organic solvent, 4-6 parts of surfactant and 70-75 parts of water; the preparation method comprises the following steps: s1, weighing weak base, compound complex, dispersing agent, organic solvent and water, mixing, stirring for 20-40min, and preparing mixed solution; s2, weighing a surfactant, adding the surfactant into the mixed solution, and uniformly stirring to obtain a finished product cleaning agent; not only can the residual particles of the diamond grinding fluid on the surface of the workpiece be removed efficiently, but also the workpiece has better rust-proof effect.

Description

Special weakly alkaline cleaning agent for diamond grinding fluid and preparation method thereof

Technical Field

The application relates to the field of preparation of cleaning agents, in particular to a weakly alkaline cleaning agent special for diamond grinding fluid and a preparation method thereof.

Background

The cleaning agent is a product for cleaning dirt and is mainly divided into a water-based cleaning agent and an oil-based cleaning agent, wherein the cleaning agent can be applied to daily life and industrial production, and when a workpiece to be processed is ground by the grinding fluid, the cleaning agent is often required to be cleaned.

Common grinding liquids include diamond grinding liquid, silicon dioxide grinding liquid and aluminum oxide grinding liquid; the diamond grinding fluid not only can improve the grinding rate, but also can rapidly discharge a large amount of heat generated in the grinding process, so that the surface of a workpiece is prevented from being burnt; after the workpiece is ground by the diamond grinding fluid, some tiny particles of the diamond grinding fluid are easy to remain on the surface of the workpiece; the common industrial cleaning agent is difficult to thoroughly clean, and needs to have a certain antirust effect after being cleaned, so that the workpiece is convenient to process in the next working procedure.

Therefore, a new cleaning agent is urgently needed to be prepared, so that residual particles of diamond grinding fluid on the surface of a workpiece can be removed efficiently, and the cleaning agent has a good rust-proof effect.

Disclosure of Invention

In order to prepare a novel cleaning agent, residual particles of diamond grinding fluid on the surface of a workpiece can be removed efficiently, and the cleaning agent has a good rust-proof effect.

In a first aspect, the application provides a weakly alkaline cleaning agent special for diamond grinding fluid, which adopts the following technical scheme: the weakly alkaline cleaning agent special for the diamond grinding fluid is prepared from the following raw materials in parts by weight: 3-8 parts of weak base, 1-3 parts of compound complex, 5-15 parts of dispersing agent, 2-5 parts of organic solvent, 4-6 parts of surfactant and 70-75 parts of water.

By adopting the technical scheme, the complex compound and the dispersing agent are matched, and particles remained in the diamond grinding liquid on the workpiece to be cleaned are adsorbed and complexed, so that the residual particulate matters on the surface of the workpiece to be cleaned are removed; the weak base and the surfactant are matched, so that the better wetting and soaking effects are utilized to remove the residual greasy dirt on the surface of the workpiece to be cleaned, the contact area of the compound complex and the residual particles on the surface of the workpiece to be cleaned is conveniently increased, and the treatment efficiency of the residual particles on the surface of the workpiece to be cleaned is further improved; and after the greasy dirt and residual particles are removed from the surface of the workpiece to be cleaned, the surfactant and the dispersing agent can enable the workpiece to have an antirust effect.

Preferably, the weak base is one or more of sodium carbonate, potassium carbonate, sodium pyrophosphate, potassium pyrophosphate, trisodium phosphate and sodium tripolyphosphate.

By adopting the technical scheme, the sodium carbonate and the potassium carbonate promote the saponification of the grease on the surface of the workpiece to be cleaned, so that the greasy dirt generates higher fatty acid salt dissolved in water, thereby achieving the effect of efficiently removing the greasy dirt; sodium pyrophosphate and potassium pyrophosphate have better emulsification effect and better emulsification stability on grease, so that greasy dirt and residual particles on the surface of a workpiece to be cleaned are efficiently removed, and meanwhile, a rust-proof layer is conveniently formed on the surface of the workpiece after treatment; trisodium phosphate and sodium tripolyphosphate not only have an emulsifying effect, but also have the capability of dispersing dirt solid particles, and further promote the removal of greasy dirt and residual particles on the surface of a workpiece to be cleaned.

Preferably, the compound complex is one or more of EDTA-2Na, NTA, EDTMPS, DETPMPS, sodium gluconate and sodium citrate.

By adopting the technical scheme, the grinding liquid residual particles are promoted to be adsorbed and complexed, the treatment efficiency of the residual particles on the surface of the workpiece to be cleaned is accelerated, the complexes repel each other, the dispersibility of the complexes can be improved, and the complexes are prevented from being reattached on the surface of the workpiece to be cleaned.

Preferably, the dispersing agent is one or more of PA-CH, PA-C, PA-EH, PA-2, PA-9 and PA-P.

By adopting the technical scheme, the PA-CH, the PA-C, PA-EH and the surfactant are matched, so that on one hand, small particles remained on the surface of the workpiece to be treated can be complexed, and the small particles remained on the surface grinding fluid of the workpiece to be treated can be removed; on the other hand, the cleaning agent can remove the greasy dirt on the surface of the workpiece to be treated, so that the cleaning agent has the effects of efficiently removing residual particles and the greasy dirt.

Preferably, the surfactant is one or more of RQ-139C, RQ-139CE, X-6, L-3, RQ-1516B.

By adopting the technical scheme, the surfactant and the dispersing agent are matched, so that the oil stain-carrying and dispersing agent has super-strong oil stain carrying and dispersing power and excellent detergency.

Preferably, the organic solvent is one or more of monoethanolamine, diethanolamine, triethanolamine, isopropanol and propylene glycol butyl ether.

By adopting the technical scheme, the oil stain remover not only can be used as a solvent for oil stains, but also can remove the oil stains on the surface of the workpiece to be cleaned through the oil stain dissolution angle; the detergent can be used as a stabilizer of a compound complex, a dispersing agent and a surfactant, so that the compound complex and the dispersing agent are stably attached to the surface of a workpiece to be cleaned, and rapidly complex residual particles on the surface of the workpiece to be cleaned, and the contact surface of oil stains and the workpiece to be cleaned can promote the oil stains to be separated from the workpiece to be cleaned, so that the detergent has higher cleaning efficiency on the residual particles and the oil stains on the surface of the workpiece to be cleaned.

Preferably, the cleaning agent further comprises the following raw materials in parts by weight: 0.4-1.8 parts of loaded zinc oxide whisker.

By adopting the technical scheme, the supported zinc oxide whisker, the weak base, the compound complex, the dispersing agent and the surfactant are matched, in the cleaning process, the needle-like structure on the surface of the supported zinc oxide whisker can generate stripping action on the residual particles, the residual particles are primarily stripped, the contact area of the residual particles with the compound complex, the dispersing agent and other substances is increased, the coating of the compound complex, the dispersing agent, the surfactant and other substances on the residual particles is accelerated, and the cleaning efficiency of the cleaning agent on the residual particles on the surface of a workpiece to be cleaned is improved; the needled structure loaded with zinc oxide whiskers can generate micro-scratches on the oil stain surface layer adhered to the surface of a workpiece to be cleaned, promote penetration of weak base, surfactant, organic solvent and dispersing agent, and improve the contact area with the oil stain, so that the oil stain is emulsified rapidly, and the cleaning efficiency of the cleaning agent for the oil stain on the surface of the workpiece to be cleaned is improved.

Preferably, the zinc oxide-loaded whisker is prepared by the following method:

the preparation method comprises the steps of (1) putting tetrapod-shaped zinc oxide whiskers into an isomerism tridecyl alcohol polyoxyethylene ether solution for dispersion and soaking, wherein the weight ratio of the tetrapod-shaped zinc oxide whiskers to the isomerism tridecyl alcohol polyoxyethylene ether solution is 1:5-10, and preparing a mixture;

II, weighing EVA particles, adding the EVA particles into the mixture for dispersion, wherein the weight ratio of the tetrapod-like zinc oxide whiskers to the EVA particles is 1:1-2.5, and preparing a composite material;

and III, weighing sodium carboxymethyl cellulose solution, adding the sodium carboxymethyl cellulose solution into the composite material, uniformly stirring, and drying the mixture to obtain the loaded zinc oxide whisker, wherein the mass ratio of the tetrapod-shaped zinc oxide whisker to the sodium carboxymethyl cellulose solution is 1:0.1-0.35.

By adopting the technical scheme, the tetrapod-like zinc oxide whiskers are firstly placed in the isomerism tridecyl alcohol polyoxyethylene ether solution, so that the tetrapod-like zinc oxide whiskers are uniformly dispersed and coated by the isomerism tridecyl alcohol polyoxyethylene ether; then adding EVA particles, and enabling the EVA particles to be in relatively uniform contact with the tetrapod-like zinc oxide whiskers by utilizing a dispersing effect, wherein the EVA particles are coated by the isomeric tridecyl alcohol polyoxyethylene ether; finally, adding sodium carboxymethyl cellulose solution, and using the viscosity of sodium carboxymethyl cellulose solution to make the coated EVA particles uniformly adhere to the surface of the coated tetrapod-like zinc oxide whisker, so that the EVA particles have higher compatibility and higher bonding stability.

When the cleaning agent acts on the surface of a workpiece to be cleaned, the lipophilic effect of the heterogeneous tridecyl alcohol polyoxyethylene ether on the surface of the loaded zinc oxide whisker is utilized to promote the loaded zinc oxide whisker to quickly reach the surface of the workpiece to be cleaned, and the micro-slit generated on the surface layer of the oil stain by the needle-like structure of the tetrapod zinc oxide whisker and the better emulsification and permeation effect of the heterogeneous tridecyl alcohol polyoxyethylene ether are matched to promote EVA particles coated by the heterogeneous tridecyl alcohol polyoxyethylene ether to permeate to the contact surface of the oil stain and the workpiece.

The four needle zinc oxide whisker, the isomeric tridecanol polyoxyethylene ether, the EVA particles and the sodium carboxymethyl cellulose solution are matched, the whisker generates micro-slit on the surface of the workpiece, and the contact area between the molten EVA and the surface of the workpiece is increased, so that the molten EVA is more stably attached to the surface of the workpiece to form a diaphragm layer, and the antirust effect of the workpiece is improved.

Preferably, the post-drying treatment in the step iii includes the following steps:

drying to obtain semi-finished product, dispersing and soaking the semi-finished product in laurinol polyoxyethylene ether for 1-5min, taking out the semi-finished product, and drying again.

By adopting the technical scheme, the four needle-shaped zinc oxide whiskers, the isomeric tridecyl alcohol polyoxyethylene ether, EVA particles, the sodium carboxymethyl cellulose solution and the laureth are matched, the isomeric tridecyl alcohol polyoxyethylene ether and the laureth have better compatibility, the four needle-shaped zinc oxide whiskers loaded with the EVA particles are blocked by the laureth, the influence of the sodium carboxymethyl cellulose solution on the surface lipophilicity of the loaded zinc oxide whiskers is reduced, namely, the better lipophilicity of the isomeric tridecyl alcohol polyoxyethylene ether and the laureth is utilized, the loaded zinc oxide whiskers are further promoted to quickly reach the surface of a workpiece to be treated, the cleaning and the removal of residual particles and greasy dirt on the surface of the workpiece to be treated are accelerated, and the isolation layer is generated on the surface of the cleaned workpiece, so that the rust prevention effect of the surface of the workpiece is improved.

In a second aspect, the application provides a preparation method of a weakly alkaline cleaning agent special for diamond grinding fluid, which adopts the following technical scheme:

the preparation method of the weakly alkaline cleaning agent special for the diamond grinding fluid comprises the following steps:

s1, weighing weak base, compound complex, dispersing agent, organic solvent and water, mixing, stirring for 20-40min, and preparing mixed solution;

s2, weighing the surfactant, adding the surfactant into the mixed solution, and uniformly stirring to obtain the finished product cleaning agent.

Through adopting above-mentioned technical scheme, prepare and mix stable cleaner, when the cleaner is in application, not only can high-efficient removal work piece surface diamond grinding fluid's residual granule, have better rust-resistant effect moreover.

In summary, the application has the following beneficial effects:

1. the compound complex and the dispersing agent are matched, and small particles remained in the diamond grinding liquid on the workpiece to be cleaned are adsorbed and complexed, so that residual particle matters on the surface of the workpiece to be cleaned are removed; the weak base and the surfactant are matched, so that the better wetting and soaking effects are utilized to remove the residual greasy dirt on the surface of the workpiece to be cleaned, the contact area of the compound complex and the residual particles on the surface of the workpiece to be cleaned is conveniently increased, and the treatment efficiency of the residual particles on the surface of the workpiece to be cleaned is further improved; and after the greasy dirt and residual particles are removed from the surface of the workpiece to be cleaned, the surfactant and the dispersing agent can enable the workpiece to have an antirust effect.

2. The four needle-shaped zinc oxide whisker, the isomeric tridecyl alcohol polyoxyethylene ether, EVA particles and the sodium carboxymethyl cellulose solution are matched, the isomeric tridecyl alcohol polyoxyethylene ether is utilized to promote the loaded zinc oxide whisker to be contacted with the surface of the workpiece to be cleaned, and along with the emulsification of the oil on the surface of the workpiece to be cleaned by the isomeric tridecyl alcohol polyoxyethylene ether, the EVA particles are exposed and attached to the surface layer of the workpiece after the greasy dirt and residual particles are removed; with the rise of temperature, EVA particles are gradually melted, a diaphragm layer is formed on the surface layer of the cleaned workpiece, and the rust-proof effect of the cleaned workpiece is improved; and after the temperature is reduced, the EVA particles solidify, and the residual EVA particles can be reused.

3. Four needle-shaped zinc oxide whiskers, isomeric tridecyl alcohol polyoxyethylene ether, EVA particles, sodium carboxymethyl cellulose solution and laureth are matched, the laureth has strong osmosis function, the isomeric tridecyl alcohol polyoxyethylene ether is matched with the high emulsification effect, the effect of quick decontamination is achieved, the removal of residual particles and greasy dirt on the surface of a workpiece to be treated is accelerated by matching with weak base, complex compound, dispersing agent and surfactant, and the molten EVA is promoted to form an interlayer on the surface of the cleaned workpiece, so that the cleaning agent has good complexing cleaning function on the residual particles on the surface of the workpiece, has strong decontamination function on the residual greasy dirt, and simultaneously has good rust-proof effect on the cleaned workpiece.

Detailed Description

The present application will be described in further detail with reference to examples.

Preparation example of Supported Zinc oxide whisker

The isomeric tridecyl alcohol polyoxyethylene ether in the following raw materials is purchased from the biological medicine technology Co., ltd in Wuhan Kang Qiong, and the content is 99%; tetrapod-like zinc oxide whiskers were purchased from the new carbon materials of the company Changzhou, inc.; other raw materials and equipment are all commonly and commercially available.

Preparation example 1: the zinc oxide whisker is prepared by the following method:

weighing and placing the isomeric tridecyl alcohol polyoxyethylene ether in water, stirring and dissolving to obtain an isomeric tridecyl alcohol polyoxyethylene ether solution with the mass fraction of 30%; weighing four needle-shaped zinc oxide whiskers, soaking the four needle-shaped zinc oxide whiskers in an isomerism tridecyl alcohol polyoxyethylene ether solution for 6 hours, and performing ultrasonic dispersion under the condition of 20kHz in the soaking process to prepare a mixture; the weight ratio of the tetrapod-like zinc oxide whisker to the isomeric tridecyl alcohol polyoxyethylene ether solution is 1:8; the four-needle zinc oxide whisker has a core, four needles extend out of the core in the radial direction, the diameter of the root of each needle is 0.5 mu m, and the length of each needle is 4 mu m;

II, weighing EVA, crushing, and sieving with a 200-mesh sieve to obtain EVA particles; EVA particles are added into the mixture, ultrasonic dispersion is carried out under the condition of 20kHz, and the weight ratio of the tetrapod-like zinc oxide whiskers to the EVA particles is 1:1.8, so that the composite material is prepared;

III, weighing sodium carboxymethylcellulose, adding the sodium carboxymethylcellulose into water, stirring and dissolving to obtain sodium carboxymethylcellulose solution with the mass fraction of 1%; and (3) weighing sodium carboxymethyl cellulose solution, adding the sodium carboxymethyl cellulose solution into the composite material, stirring, uniformly dispersing under the ultrasonic condition of 20kHz, wherein the mass ratio of the tetrapod-shaped zinc oxide whiskers to the sodium carboxymethyl cellulose solution is 1:0.25, and finally, drying, post-treatment and dispersing to obtain the loaded zinc oxide whiskers.

Preparation example 2: the zinc oxide whisker is prepared by the following method:

weighing and placing the isomeric tridecyl alcohol polyoxyethylene ether in water, stirring and dissolving to obtain an isomeric tridecyl alcohol polyoxyethylene ether solution with the mass fraction of 30%; weighing four needle-shaped zinc oxide whiskers, soaking the four needle-shaped zinc oxide whiskers in an isomerism tridecyl alcohol polyoxyethylene ether solution for 6 hours, and performing ultrasonic dispersion under the condition of 20kHz in the soaking process to prepare a mixture; the weight ratio of the tetrapod-like zinc oxide whisker to the isomeric tridecyl alcohol polyoxyethylene ether solution is 1:5; the four-needle zinc oxide whisker has a core, four needles extend out of the core in the radial direction, the diameter of the root of each needle is 0.5 mu m, and the length of each needle is 4 mu m;

II, weighing EVA, crushing, and sieving with a 200-mesh sieve to obtain EVA particles; EVA particles are added into the mixture, ultrasonic dispersion is carried out under the condition of 20kHz, and the weight ratio of the tetrapod-like zinc oxide whiskers to the EVA particles is 1:1, so that the composite material is prepared;

III, weighing sodium carboxymethylcellulose, adding the sodium carboxymethylcellulose into water, stirring and dissolving to obtain sodium carboxymethylcellulose solution with the mass fraction of 1%; and (3) weighing sodium carboxymethyl cellulose solution, adding the sodium carboxymethyl cellulose solution into the composite material, stirring, uniformly dispersing under the ultrasonic condition of 20kHz, wherein the mass ratio of the tetrapod-shaped zinc oxide whiskers to the sodium carboxymethyl cellulose solution is 1:0.1, and finally, drying, post-treatment and dispersing to obtain the loaded zinc oxide whiskers.

Preparation example 3: the zinc oxide whisker is prepared by the following method:

weighing and placing the isomeric tridecyl alcohol polyoxyethylene ether in water, stirring and dissolving to obtain an isomeric tridecyl alcohol polyoxyethylene ether solution with the mass fraction of 30%; weighing four needle-shaped zinc oxide whiskers, soaking the four needle-shaped zinc oxide whiskers in an isomerism tridecyl alcohol polyoxyethylene ether solution for 6 hours, and performing ultrasonic dispersion under the condition of 20kHz in the soaking process to prepare a mixture; the weight ratio of the tetrapod-like zinc oxide whisker to the isomeric tridecyl alcohol polyoxyethylene ether solution is 1:10; the four-needle zinc oxide whisker has a core, four needles extend out of the core in the radial direction, the diameter of the root of each needle is 0.5 mu m, and the length of each needle is 4 mu m;

II, weighing EVA, crushing, and sieving with a 200-mesh sieve to obtain EVA particles; EVA particles are added into the mixture, ultrasonic dispersion is carried out under the condition of 20kHz, and the weight ratio of the tetrapod-like zinc oxide whiskers to the EVA particles is 1:2.5, so that the composite material is prepared;

III, weighing sodium carboxymethylcellulose, adding the sodium carboxymethylcellulose into water, stirring and dissolving to obtain sodium carboxymethylcellulose solution with the mass fraction of 1%; and (3) weighing sodium carboxymethyl cellulose solution, adding the sodium carboxymethyl cellulose solution into the composite material, stirring, uniformly dispersing under the ultrasonic condition of 20kHz, wherein the mass ratio of the tetrapod-shaped zinc oxide whiskers to the sodium carboxymethyl cellulose solution is 1:0.35, and finally, drying, post-treatment and dispersing to obtain the loaded zinc oxide whiskers.

Preparation example 4: the present preparation example differs from preparation example 1 in that:

III, weighing sodium carboxymethylcellulose, adding the sodium carboxymethylcellulose into water, stirring and dissolving to obtain sodium carboxymethylcellulose solution with the mass fraction of 1%; and (3) weighing sodium carboxymethyl cellulose solution, adding the sodium carboxymethyl cellulose solution into the composite material, stirring, uniformly dispersing under the ultrasonic condition of 20kHz, drying the mixture to obtain a semi-finished product, dispersing and soaking the semi-finished product in laurinol polyoxyethylene ether for 3min, taking out the semi-finished product, drying again, and finally dispersing to obtain the loaded zinc oxide whisker.

Preparation example 5: the present preparation example differs from preparation example 1 in that:

III, weighing sodium carboxymethylcellulose, adding the sodium carboxymethylcellulose into water, stirring and dissolving to obtain sodium carboxymethylcellulose solution with the mass fraction of 1%; and (3) weighing sodium carboxymethyl cellulose solution, adding the sodium carboxymethyl cellulose solution into the composite material, stirring, uniformly dispersing under the ultrasonic condition of 20kHz, drying the mixture to obtain a semi-finished product, dispersing and soaking the semi-finished product in laurinol polyoxyethylene ether for 1min, taking out the semi-finished product, drying again, and finally dispersing to obtain the loaded zinc oxide whisker.

Preparation example 6: the present preparation example differs from preparation example 1 in that:

III, weighing sodium carboxymethylcellulose, adding the sodium carboxymethylcellulose into water, stirring and dissolving to obtain sodium carboxymethylcellulose solution with the mass fraction of 1%; and (3) weighing sodium carboxymethyl cellulose solution, adding the sodium carboxymethyl cellulose solution into the composite material, stirring, uniformly dispersing under the ultrasonic condition of 20kHz, drying the mixture to obtain a semi-finished product, dispersing and soaking the semi-finished product in laurinol polyoxyethylene ether for 5min, taking out the semi-finished product, drying again, and finally dispersing the semi-finished product to obtain the loaded zinc oxide whisker.

Examples

The dispersing agents PA-CH, PA-C, PA-EH, PA-2, PA-9 and PA-P in the following raw materials are purchased from Shenzhen Rong-strong science and technology Co., ltd; the surface active RQ-139C, RQ-139CE, X-6, L-3 and RQ-1516B are purchased from Shenzhen Rong science and technology Co., ltd; other raw materials and equipment are all commonly and commercially available.

Example 1: weakly alkaline cleaning agent special for diamond grinding fluid:

6kg of weak base, 2kg of compound complex, 13kg of dispersing agent, 4kg of organic solvent, 5kg of surfactant and 70kg of water; the weak base contains 1kg of potassium carbonate and 5kg of potassium pyrophosphate; the compound complex is EDTA-2Na; 8kg of PA-CH and 5kg of PA-EH in the dispersant; the organic solvent is triethanolamine; the surfactant is RQ-139C;

the preparation method comprises the following steps:

s1, weighing weak base, compound complex, dispersing agent, organic solvent and water, mixing, stirring for 30min, and preparing mixed solution;

Example 2: this embodiment differs from embodiment 1 in that:

5kg of weak base, 3kg of compound complex, 13kg of dispersing agent, 3kg of organic solvent, 6kg of surfactant and 70kg of water; the weak base is potassium carbonate; the complex is DETPMPS; 4kg of PA-2,6kg of PA-CH and 3kg of PA-P in the dispersant; the organic solvent is diethanolamine; the surfactant is X-6;

the preparation method comprises the following steps:

s1, weighing weak base, compound complex, dispersing agent, organic solvent and water, mixing, stirring for 20min, and preparing mixed solution;

Example 3: this embodiment differs from embodiment 1 in that:

3kg of weak base, 1kg of compound complex, 15kg of dispersing agent, 2kg of organic solvent, 6kg of surfactant and 73kg of water; the weak base is sodium carbonate; the complex compound is NTA; 5kg of PA-C,6kg of PA-CH and 4kg of PA-P in the dispersant; the organic solvent is isopropanol; the surfactant is RQ-139CE;

the preparation method comprises the following steps:

s1, weighing weak base, compound complex, dispersing agent, organic solvent and water, mixing, stirring for 40min, and preparing mixed solution;

Example 4: this embodiment differs from embodiment 1 in that:

8kg of weak base, 3kg of compound complex, 5kg of dispersing agent, 5kg of organic solvent, 4kg of surfactant and 75kg of water.

Example 5: this embodiment differs from embodiment 1 in that:

6kg of weak base, 2kg of compound complex, 13kg of dispersing agent, 4kg of organic solvent, 5kg of surfactant, 1kg of zinc oxide whisker loaded prepared in preparation example 1 and 70kg of water.

Example 6: this embodiment differs from embodiment 1 in that:

6kg of weak base, 2kg of compound complex, 13kg of dispersing agent, 4kg of organic solvent, 5kg of surfactant, 0.4kg of zinc oxide whisker loaded prepared in preparation example 2 and 70kg of water.

Example 7: this embodiment differs from embodiment 1 in that:

6kg of weak base, 2kg of compound complex, 13kg of dispersing agent, 4kg of organic solvent, 5kg of surfactant, 1.8kg of zinc oxide whisker loaded prepared in preparation example 3 and 70kg of water.

Example 8: this embodiment differs from embodiment 5 in that:

the zinc oxide whisker is selected from the zinc oxide whisker prepared in preparation example 4.

Example 9: this embodiment differs from embodiment 5 in that:

the zinc oxide whisker is prepared by the preparation method 5.

Example 10: this embodiment differs from embodiment 5 in that:

the zinc oxide whisker is selected from the zinc oxide whisker prepared in preparation example 6.

Example 11: this embodiment differs from embodiment 5 in that:

the preparation process of the zinc oxide whisker is as follows:

weighing and placing the isomeric tridecyl alcohol polyoxyethylene ether in water, stirring and dissolving to obtain an isomeric tridecyl alcohol polyoxyethylene ether solution with the mass fraction of 30%; weighing four needle-shaped zinc oxide whiskers, soaking the four needle-shaped zinc oxide whiskers in an isomerism tridecyl alcohol polyoxyethylene ether solution for 6 hours, and performing ultrasonic dispersion under the condition of 20kHz in the soaking process to prepare a mixture;

II, weighing sodium carboxymethylcellulose, adding the sodium carboxymethylcellulose into water, stirring and dissolving to obtain sodium carboxymethylcellulose solution with the mass fraction of 1%; and (3) weighing sodium carboxymethyl cellulose solution, adding the sodium carboxymethyl cellulose solution into the mixture, stirring, uniformly dispersing under the ultrasonic condition of 20kHz, wherein the mass ratio of the tetrapod-shaped zinc oxide whiskers to the sodium carboxymethyl cellulose solution is 1:0.25, and finally, drying, post-treatment and dispersing to obtain the loaded zinc oxide whiskers.

Example 12: this embodiment differs from embodiment 5 in that:

the preparation process of the zinc oxide whisker is as follows:

II, weighing EVA, crushing, and sieving with a 200-mesh sieve to obtain EVA particles; EVA particles are added into the mixture, ultrasonic dispersion is carried out under the condition of 20kHz, the weight ratio of the tetrapod-shaped zinc oxide whiskers to the EVA particles is 1:1.8, and finally, the zinc oxide whiskers are carried out after drying and dispersion.

Example 13: this embodiment differs from embodiment 5 in that:

the polyethylene glycol 600 with the same mass is used for replacing the isomeric tridecyl alcohol polyoxyethylene ether in the raw materials.

Example 14: this embodiment differs from embodiment 5 in that:

the preparation process of the loaded zinc oxide whisker comprises the following steps:

weighing and placing the isomeric tridecyl alcohol polyoxyethylene ether in water, stirring and dissolving to obtain an isomeric tridecyl alcohol polyoxyethylene ether solution with the mass fraction of 30%; weighing EVA, crushing, and sieving with a 200-mesh sieve to obtain EVA particles; weighing sodium carboxymethylcellulose, adding the sodium carboxymethylcellulose into water, stirring and dissolving to obtain sodium carboxymethylcellulose solution with the mass fraction of 1%;

weighing four needle-shaped zinc oxide whiskers, EVA particles and sodium carboxymethyl cellulose solution, putting the four needle-shaped zinc oxide whiskers, EVA particles and sodium carboxymethyl cellulose solution into an isomeric tridecyl alcohol polyoxyethylene ether solution, soaking for 6 hours, and performing ultrasonic dispersion under the condition of 20kHz in the soaking process, wherein the weight ratio of the four needle-shaped zinc oxide whiskers to the isomeric tridecyl alcohol polyoxyethylene ether solution is 1:8; the weight ratio of the tetrapod-like zinc oxide whisker to the EVA particles is 1:1.8; the mass ratio of the tetrapod-like zinc oxide whisker to the sodium carboxymethyl cellulose solution is 1:0.25; finally, the zinc oxide whisker is carried out after drying and dispersing.

The raw materials comprise the following raw materials: the weak base can be one or more of sodium carbonate, potassium carbonate, sodium pyrophosphate, potassium pyrophosphate, trisodium phosphate and sodium tripolyphosphate; the compound complex can be one or more of EDTA-2Na, NTA, EDTMPS, DETPMPS, sodium gluconate and sodium citrate; the dispersing agent can be one or more of PA-CH, PA-C, PA-EH, PA-2, PA-9 and PA-P; the surfactant can be one or more of RQ-139C, RQ-139CE, X-6, L-3, RQ-1516B; the organic solvent can be one or more of monoethanolamine, diethanolamine, triethanolamine, isopropanol, and propylene glycol butyl ether.

Comparative example

Comparative example 1: this comparative example differs from example 1 in that:

the dispersant is replaced by a compound complex with the same quality in the raw materials.

Comparative example 2: this comparative example differs from example 1 in that:

the surfactant is replaced by dispersant with the same quality in the raw materials.

Application:

adding water into the cleaning agent to prepare an aqueous solution containing 10% of the cleaning agent, namely the cleaning agent; placing a test piece to be cleaned in a cleaning solution, and performing ultrasonic cleaning for 8min at the temperature of 60 ℃ and the frequency of 20 kHz; then heating to 130 ℃, and treating for 25s under the condition of stopping ultrasonic; then cooling to 50 ℃, and cleaning for 4min by water at room temperature; and finally, drying for 8min at 110 ℃, and then standing for 2h at room temperature to obtain the cleaned test piece.

The ultrasonic wave at the initial stage is matched with a proper temperature, so that the penetration of a cleaning agent is promoted, the cleaning efficiency of the cleaning agent on greasy dirt and residual particles on the surface of a piece to be cleaned is improved, and EVA particles are adhered to the greasy dirt removed surface of the piece to be cleaned; with the short rise of temperature, the EVA particles are promoted to be fused and adhered on the surface of the piece to be cleaned to remove residual particles and oil stains, so that an isolation layer is formed, and the rust resistance of the cleaned piece is further improved.

Performance test

1. Residual particle testing

The preparation methods of examples 1-14 and comparative examples 1-2 are adopted to prepare a finished cleaning agent, and water is added into the cleaning agent to prepare an aqueous solution containing 10% of the cleaning agent, namely the cleaning agent; dividing workpieces treated by the same batch of diamond grinding fluid into 16 groups, wherein the sizes of test pieces to be cleaned are 20-50-3 mm, and the 16 groups of test pieces correspond to cleaning solutions prepared in examples 1-14 and comparative examples 1-2 respectively;

the cleaning process comprises the following steps: placing a test piece to be cleaned in a cleaning solution, and performing ultrasonic cleaning for 8min at the temperature of 60 ℃ and the frequency of 20 kHz; then heating to 130 ℃, and treating for 25s under the condition of stopping ultrasonic; then cooling to 50 ℃, and cleaning for 4min by water at room temperature; finally, drying for 8min at 110 ℃, and then standing for 2h at room temperature to obtain a cleaned test piece; and calculating the residue clearance rate (8 min) according to the amount of the residues on the surface of the test piece to be cleaned and the amount of the residues on the surface of the test piece after cleaning, and recording data.

Placing a test piece to be cleaned in a cleaning solution, and performing ultrasonic cleaning for 6min at the temperature of 60 ℃ and the frequency of 20 kHz; then heating to 130 ℃, and treating for 25s under the condition of stopping ultrasonic; then cooling to 50 ℃, and cleaning for 4min by water at room temperature; finally, drying for 8min at 110 ℃, and then standing for 2h at room temperature to obtain a cleaned test piece; and calculating the residue clearance rate (6 min) according to the amount of the residues on the surface of the test piece to be cleaned and the amount of the residues on the surface of the test piece after cleaning, and recording data.

2. Rust resistance test

referring to an antirust test in a JB/T4323-2018 water-based metal cleaning agent, and testing according to related preparations and steps of the single-chip antirust test; and judging whether the dropping area of the inspection liquid is rusted or not, judging whether the 3 points are rusted or not, recording the maximum time which can be placed at the constant temperature of 35 ℃ under the qualified condition, and recording data.

3. Oil removal Performance test

referring to a cleaning capability test in a JB/T4323-2018 water-based metal cleaning agent, detecting the oil cleaning capability according to a weight method, respectively recording oil stain cleaning capability data under the conditions of 3min of static immersion and 3min of swaying and washing, and under the conditions of 2min of immersion and 2min of swaying and washing.

Table 1 performance test table

As can be seen by combining examples 1-4 and table 1, the cleaning agent has higher removal rate to residual particles of the diamond grinding fluid, has better cleaning effect to greasy dirt, and has longer rust-proof time to the workpiece; the complex compound and the dispersing agent are matched, and particles remained in the diamond grinding liquid on the workpiece to be cleaned are adsorbed and complexed, so that residual particle matters on the surface of the workpiece to be cleaned are removed; the weak base and the surfactant are matched, so that the better wetting and soaking effects are utilized to remove the residual greasy dirt on the surface of the workpiece to be cleaned, the contact area of the compound complex and the residual particles on the surface of the workpiece to be cleaned is conveniently increased, and the treatment efficiency of the residual particles on the surface of the workpiece to be cleaned is further improved; and after the greasy dirt and residual particles are removed from the surface of the workpiece to be cleaned, the surfactant and the dispersing agent can enable the workpiece to have an antirust effect.

As can be seen from the combination of examples 1 and examples 5 to 7 and the combination of table 1, the cleaning agents prepared in examples 5 to 7 have higher residue removal rate than example 1 when cleaning for 6 minutes, and longer rust preventive time than example 1, and have better cleaning ability than example 1 under the conditions of 2min immersion and 2min swaying, compared with example 1, when the zinc oxide whiskers are added to the raw materials in examples 5 to 7; the four needle-shaped zinc oxide whisker, the isomeric tridecyl alcohol polyoxyethylene ether, EVA particles and the sodium carboxymethyl cellulose solution are matched, the isomeric tridecyl alcohol polyoxyethylene ether is utilized to promote the loaded zinc oxide whisker to be contacted with the surface of the workpiece to be cleaned, and along with the emulsification of the oil on the surface of the workpiece to be cleaned by the isomeric tridecyl alcohol polyoxyethylene ether, the EVA particles are exposed and attached to the surface layer of the workpiece after the greasy dirt and residual particles are removed, so that the residual particles and the greasy dirt are removed rapidly; with the rise of temperature, EVA particles are gradually melted, a diaphragm layer is formed on the surface layer of the cleaned workpiece, and the rust-proof effect of the cleaned workpiece is improved.

As can be seen from the combination of examples 5 and examples 8 to 10 and the combination of table 1, in the preparation process of the zinc oxide whisker loaded in examples 8 to 10, the laureth is added into the raw materials, compared with example 5, the cleaning agent prepared in examples 8 to 10 has higher residue clearance rate than example 1 when being cleaned for 6min, has longer rust-proof time, and has better cleaning capability than example 1 under the conditions of 2min dipping and 2min swaying and washing; the four needle-shaped zinc oxide whisker, the isomeric tridecyl alcohol polyoxyethylene ether, EVA particles, the sodium carboxymethyl cellulose solution and the laureth are matched, the laureth has strong permeation effect, the isomeric tridecyl alcohol polyoxyethylene ether is matched with good emulsification effect, the effect of quick decontamination is achieved, the removal of residual particles and greasy dirt on the surface of a workpiece to be treated is accelerated by matching with weak base, complex, dispersing agent and surfactant, and the molten EVA is promoted to form an interlayer on the surface of the cleaned workpiece, so that the cleaning agent has good complexing cleaning effect on the residual particles on the surface of the workpiece, has strong decontamination effect on the residual greasy dirt, and meanwhile, the cleaned workpiece has good rust-proof effect.

As can be seen from the combination of examples 5 and examples 11 to 14 and the combination of table 1, in the preparation process of the zinc oxide whisker loaded in example 11, EVA particles are not added, and compared with example 5, the cleaning agent prepared in example 11 has lower residue clearance rate when cleaning for 6min than example 5, has shorter rust-proof time than example 5, and has poorer cleaning ability under the conditions of 2min dipping and 2min swaying and washing than example 5; the EVA particles can form an isolation layer on the surface of a test piece after cleaning, so that the rust prevention effect is improved, and the residue clearance rate and the oil removal effect are influenced.

In the preparation process of the zinc oxide whisker loaded in the embodiment 12, compared with the embodiment 5, the cleaning agent prepared in the embodiment 12 has lower residue clearance rate in cleaning for 6min than the embodiment 5, has shorter antirust time than the embodiment 5, and has poorer cleaning capability under the conditions of 2min dipping and 2min swaying and cleaning than the embodiment 5; the sodium carboxymethyl cellulose is thickened in proper time, so that the loading amount of EVA particles and isomeric tridecyl alcohol polyoxyethylene ether on the surface of the tetrapod-shaped zinc oxide whisker is improved, the residual particle removing effect and the oil removing effect of the finished cleaning agent are improved, and meanwhile, the rust preventing time is prolonged.

In the preparation process of the zinc oxide whisker loaded in the embodiment 13, polyethylene glycol with the same mass is used for replacing the isomeric tridecanol polyoxyethylene ether in the raw material, compared with the cleaning agent prepared in the embodiment 5, the cleaning agent prepared in the embodiment 13 has lower residue clearance rate than the cleaning agent prepared in the embodiment 5 when being cleaned for 6min, the rust prevention time is shorter than that of the cleaning agent prepared in the embodiment 5, and the cleaning capability is lower than that of the cleaning agent prepared in the embodiment 5 under the conditions of 2min dipping and 2min swaying and washing; the heterogeneous tridecyl alcohol polyoxyethylene ether has the effect of coating EVA particles, promotes the loaded zinc oxide whisker to quickly reach the surface of a workpiece to be cleaned, improves the cleaning efficiency of residual particles and greasy dirt, and has influence on rust prevention time.

In the preparation process of the zinc oxide whisker loaded in the embodiment 14, raw materials are directly mixed at one time, compared with the cleaning agent prepared in the embodiment 14 in the embodiment 5, the cleaning agent has lower residue clearance rate in the cleaning process for 6 minutes than the cleaning agent in the embodiment 5, the antirust time is shorter than that in the embodiment 5, and the cleaning capability is lower than that in the embodiment 5 under the conditions of 2 minutes of dipping and 2 minutes of swaying and cleaning; the method shows that the method is directly mixed, and the surfaces of the four-needle zinc oxide whiskers are not easy to sequentially load the isomeric tridecyl alcohol polyoxyethylene ether, EVA particles and the like, so that the cleaning efficiency and the degreasing efficiency of residual particles of a finished cleaning agent are influenced.

As can be seen from the combination of example 1 and comparative examples 1-2 and the combination of table 1, the comparative example 1, in which the dispersant is replaced with the complex compound of the same mass, compared with example 1, the cleaning agent prepared in comparative example 1 has a lower cleaning agent residue clearance than example 1, a shorter rust prevention time than example 1, and a poorer cleaning ability than example 1; the complex compound and the dispersing agent are matched, and the cleaning efficiency and the rust-proof effect of the finished cleaning agent are influenced.

The raw material of comparative example 2 has the same mass of dispersant as the surfactant, and compared with example 1, the cleaning agent prepared in comparative example 2 has lower cleaning rate than that of example 1, shorter rust-preventing time than that of example 1 and poorer cleaning ability than that of example 1; the dispersant and the surfactant are matched, and the cleaning efficiency and the rust-preventing effect of the finished cleaning agent are affected.

The present embodiment is only for explanation of the present application and is not to be construed as limiting the present application, and modifications to the present embodiment, which may not creatively contribute to the present application as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present application.

Claims

1. The weakly alkaline cleaning agent special for the diamond grinding fluid is characterized by being prepared from the following raw materials in parts by weight: 3-8 parts of weak base, 1-3 parts of compound complex, 5-15 parts of dispersing agent, 2-5 parts of organic solvent, 4-6 parts of surfactant, 70-75 parts of water and 0.4-1.8 parts of loaded zinc oxide whisker;

the compound complex is one or more of EDTA-2Na, NTA, EDTMPS, DETPMPS, sodium gluconate and sodium citrate; the dispersing agent is one or more of PA-CH, PA-C, PA-EH, PA-2, PA-9 and PA-P; the surfactant is one or more of RQ-139C, RQ-139CE, X-6, L-3 and RQ-1516B;

the zinc oxide whisker is prepared by the following method:

and III, weighing sodium carboxymethyl cellulose solution, adding the sodium carboxymethyl cellulose solution into the composite material, uniformly stirring, drying to obtain a semi-finished product, dispersing and soaking the semi-finished product in laurinol polyoxyethylene ether for 1-5min, taking out the semi-finished product, and drying again to obtain the zinc oxide-loaded whisker.

2. The weakly alkaline cleaning agent special for diamond grinding fluid as set forth in claim 1, wherein: the weak base is one or more of sodium carbonate, potassium carbonate, sodium pyrophosphate, potassium pyrophosphate, trisodium phosphate and sodium tripolyphosphate.

3. The weakly alkaline cleaning agent special for diamond grinding fluid according to claim 1, wherein the organic solvent is one or more of monoethanolamine, diethanolamine, triethanolamine, isopropanol and propylene glycol butyl ether.