Oily diamond grinding paste as well as preparation method and application thereof

Abstract

The invention discloses oily diamond grinding paste as well as a preparation method and application thereof, the preparation method comprises the following steps: putting 10-80 parts of stearic acid, 1-20 parts of vinyl ether, 1-10 parts of vaseline, 2-15 parts of glyceride, 0.1-8 parts of glycerol, 0.1-10 parts of wax and 2-200 parts of artificial diamond micro powder into a heating device, and adding anhydrous sodium acetate and triethylamine as catalysts; the heating device is placed in a high-pressure kettle to be pressurized and heated, argon is introduced into the high-pressure kettle at the same time, the temperature rise time for heating to 105 DEG C is 2-4 h, the pressure of the high-pressure kettle is 1-200 MPa, and heated abrasive paste is obtained; and cooling the heated grinding paste to room temperature to obtain the oily diamond grinding paste.

Description

Technical Field

[0001] The invention relates to the technical field of material processing, and in particular to an oily diamond grinding paste and a preparation method and application thereof. Background Art

[0002] Diamond grinding paste is a soft abrasive made of diamond micro-powder abrasive and paste binder, also known as loose abrasive. It is used to grind hard and brittle materials to obtain high surface finish. The characteristic of grinding is that the abrasive keeps rolling during the grinding process, producing two effects of extrusion and cutting, making the convex and concave surface gradually flat and smooth. The binder of grinding paste is divided into oily and water-soluble. For example, in the PCB circuit board industry, during the metallographic process, the sample is ground and a certain fineness of grinding paste (0.3um) is added to make the cross section of the sample for observation after inlaying clearer under the microscope and meet the test standard.

[0003] Most of the diamond grinding pastes in the prior art are used for grinding and polishing tungsten steel molds, optical molds, injection molds, etc., but are difficult to be used for high-hardness materials, or the grinding effect of high-hardness materials is very poor and the grinding efficiency is low.

[0004] The above contents are only used to assist in understanding the technical solution of the present invention and do not constitute an admission that the above contents are prior art. Summary of the invention

[0005] The main purpose of the present invention is to provide an oily diamond grinding paste and a preparation method and application thereof, aiming to solve the problem that the existing diamond grinding paste is difficult to use for high hardness materials, or has a very poor grinding effect and low grinding efficiency for high hardness materials.

[0006] In order to achieve the above object, the present invention provides a method for preparing an oily diamond grinding paste for high hardness materials, the preparation method comprising:

[0007] 10-80 parts of stearic acid, 1-20 parts of vinyl ether, 1-10 parts of vaseline, 2-15 parts of glycerol ester, 0.1-8 parts of glycerol, 0.1-10 parts of wax, and 2-200 parts of artificial diamond powder are placed in a heating device, and anhydrous sodium acetate and triethylamine are added as catalysts;

[0008] The heating device is placed in an autoclave for pressurized heating, and argon is introduced into the autoclave at the same time, wherein the heating time to 105° C. is 2-4 hours, and the pressure of the autoclave is 1-200 MPa, to obtain a heated abrasive paste;

[0009] The heated grinding paste is cooled to room temperature to obtain the oily diamond grinding paste.

[0010] Preferably, in the method for preparing the oily diamond abrasive paste for high hardness materials, in the step of placing the heating device in an autoclave for pressurized heating while introducing argon gas into the autoclave, the heating temperature is 100-150°C.

[0011] Preferably, in the preparation method of the oily diamond polishing paste for high hardness materials, in the step of placing 10-80 parts of stearic acid, 1-20 parts of vinyl ether, 1-10 parts of vaseline, 2-15 parts of glycerol ester, 0.1-8 parts of glycerol, 0.1-10 parts of wax, and 2-200 parts of artificial diamond micropowder in a heating device, and adding anhydrous sodium acetate and triethylamine as catalysts, the particle size of the artificial diamond micropowder is 0.05-60 μm.

[0012] Preferably, in the method for preparing the oily diamond lapping paste for high hardness materials, after the step of cooling the heated lapping paste to room temperature to obtain the oily diamond lapping paste, the method further comprises:

[0013] The obtained oily diamond grinding paste is color-adjusted and filled.

[0014] Preferably, in the method for preparing the oily diamond abrasive paste for high hardness materials, the step of coloring and filling the obtained oily diamond abrasive paste comprises:

[0015] Adding 1-50 parts of carbon black and 5-100 parts of purple powder into the oily diamond grinding paste for coloring to obtain a color-adjusted oily diamond grinding paste;

[0016] The oily diamond grinding paste is heated and evenly filled into the container to be filled in batches.

[0017] In order to achieve the above object, the present invention also provides an oily diamond grinding paste for high hardness materials, and the oily diamond grinding paste for high hardness materials is prepared by the above preparation method.

[0018] In order to achieve the above object, the present invention also provides an oily diamond grinding paste for high hardness materials, wherein the oily diamond grinding paste for high hardness materials comprises:

[0019] Stearic acid: 10-80 parts;

[0020] Vinyl ether: 1-20 parts;

[0021] Vaseline: 1-10 parts;

[0022] Glycerides: 2-15 parts;

[0023] Glycerin: 0.1-8 parts;

[0024] Wax: 0.1-10 parts;

[0025] Artificial diamond powder: 2-200 parts.

[0026] Preferably, in the oily diamond grinding paste for high hardness materials, the oily diamond grinding paste is prepared by using anhydrous sodium acetate and triethylamine as catalysts.

[0027] Preferably, in the oily diamond grinding paste for high-hardness materials, the particle size of the artificial diamond micropowder is 0.05-60 μm.

[0028] In order to achieve the above-mentioned purpose, the present invention also provides an application of the above-mentioned oily diamond abrasive paste for high hardness materials, wherein the oily diamond abrasive paste for high hardness materials is applied to grinding and polishing high hardness materials, and the hardness of the high hardness materials is greater than Mohs hardness 9.5.

[0029] The present invention has at least the following beneficial effects:

[0030] The invention provides a method for preparing an oily diamond grinding paste for high-hardness materials. The method comprises the following steps: placing 10-80 parts of stearic acid, 1-20 parts of vinyl ether, 1-10 parts of vaseline, 2-15 parts of glycerol ester, 0.1-8 parts of glycerol, 0.1-10 parts of wax and 2-200 parts of artificial diamond micropowder in a heating device, and adding anhydrous sodium acetate and triethylamine as catalysts; placing the heating device in an autoclave for pressurized heating, and introducing argon gas into the autoclave at the same time, wherein the heating time for heating to 105° C. is 2-4 hours, and the pressure of the autoclave is 1-200 MPa, to obtain the heated grinding paste; cooling the heated grinding paste to room temperature to obtain the oily diamond grinding paste, wherein the oily diamond grinding paste obtained in this way has good grinding effect, excellent lubrication and cooling effects, is easy to clean, and is more practical and convenient.

[0031] Furthermore, a standard 6000-mesh ultrafine grinder was used to grind the high-hardness tungsten carbide material using the oily diamond grinding paste of the present invention. The grinding results showed that the surface roughness Ra of the tungsten carbide material was 0.055 μm, which was significantly lower than the roughness before grinding. The material surface was clean, had few scratches, and was easy to clean.

[0032] Furthermore, the efficiency of grinding and polishing is improved, the time is shortened, and the effect is more satisfactory. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 A flow chart of a method for preparing an oily diamond grinding paste for high hardness materials provided by the present invention;

[0034] Figure 2 The status of the old carrier that was removed for abnormality;

[0035] Figure 3 for Figure 2 The state of the new carrier after the middle carrier is polished for 1 minute with the water-soluble diamond polishing paste provided by the present invention;

[0036] Figure 4 for Figure 2 and Figure 3 Comparison of test values ​​of heating current between the new and old platforms;

[0037] Figure 5 for Figure 2 and Figure 3 Comparison of test values ​​of power factor between the new and old platforms;

[0038] Figure 6 for Figure 2 and Figure 3 Comparison of test values ​​of series resistance between the new and old carriers.

[0039] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0040] In the embodiments of the present invention, the term "and / or" describes the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B may represent three situations: A exists alone, A and B exist at the same time, and B exists alone. The character " / " generally indicates that the associated objects before and after are in an "or" relationship.

[0041] It should be noted that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence.

[0042] In the embodiments of the present invention, the term "plurality" refers to two or more than two, and other quantifiers are similar.

[0043] In order to make the purpose, technical scheme and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. However, it can be understood by those skilled in the art that in the embodiments of the present invention, many technical details are proposed in order to enable the reader to better understand the present invention. However, even without these technical details and various changes and modifications based on the following embodiments, the technical scheme claimed in the present invention can also be implemented. The division of the following embodiments is for the convenience of description and should not constitute any limitation on the specific implementation of the present invention. The various embodiments can be combined and referenced with each other under the premise of no contradiction.

[0044] The present invention provides a method for preparing an oily diamond grinding paste for high-hardness materials, the preparation method comprising:

[0045] Step S100, 10-80 parts of stearic acid, 1-20 parts of vinyl ether, 1-10 parts of vaseline, 2-15 parts of glycerol ester, 0.1-8 parts of glycerol, 0.1-10 parts of wax, and 2-200 parts of artificial diamond powder are placed in a heating device, and anhydrous sodium acetate and triethylamine are added as catalysts;

[0046] In this embodiment, the particle size of the artificial diamond powder is 0.05-60 μm.

[0047] Step S200, placing the heating device in an autoclave and heating it under pressure, while introducing argon into the autoclave, wherein the heating time to 105° C. is 2-4 hours, and the pressure of the autoclave is 1-200 MPa, to obtain a heated abrasive paste;

[0048] It should be noted that the heating time to 105°C is 2-4h, the heating time from 0°C to 105°C can be 2-4h, or the heating time from room temperature to 105°C can be 2-4h.

[0049] In this embodiment, the heating temperature is 100-150°C.

[0050] Step S300, cooling the heated grinding paste to room temperature to obtain the oily diamond grinding paste.

[0051] In addition, after step S300, the preparation method further includes step S400.

[0052] Step S400, coloring and filling the obtained oily diamond polishing paste.

[0053] In specific implementation, step S400 includes step S410 and step S420.

[0054] Step S410, adding 1-50 parts of carbon black and 5-100 parts of purple powder to the oily diamond polishing paste for coloring, to obtain a color-adjusted oily diamond polishing paste;

[0055] Step S420, heating the oily diamond grinding paste and evenly filling it into the container to be filled in batches.

[0056] In a specific implementation, the oily diamond grinding paste obtained by heating can be evenly filled into a disposable syringe in batches, so as to obtain the accurate diamond grinding paste of the corresponding micron number while ensuring the amount of the grinding paste.

[0057] The invention provides a method for preparing an oily diamond grinding paste for high-hardness materials. The method comprises the following steps: placing 10-80 parts of stearic acid, 1-20 parts of vinyl ether, 1-10 parts of vaseline, 2-15 parts of glycerol ester, 0.1-8 parts of glycerol, 0.1-10 parts of wax and 2-200 parts of artificial diamond micropowder in a heating device, and adding anhydrous sodium acetate and triethylamine as catalysts; placing the heating device in an autoclave for pressurized heating, and introducing argon gas into the autoclave at the same time, wherein the heating time for heating to 105° C. is 2-4 hours, and the pressure of the autoclave is 1-200 MPa, to obtain the heated grinding paste; cooling the heated grinding paste to room temperature to obtain the oily diamond grinding paste, wherein the oily diamond grinding paste obtained in this way has good grinding effect, excellent lubrication and cooling effects, is easy to clean, and is more practical and convenient.

[0058] Furthermore, a standard 6000-mesh ultrafine grinder was used to grind the high-hardness tungsten carbide material using the oily diamond grinding paste of the present invention. The grinding results showed that the surface roughness Ra of the tungsten carbide material was 0.055 μm, which was significantly lower than the roughness before grinding. The material surface was clean, had few scratches, and was easy to clean.

[0059] Furthermore, the efficiency of grinding and polishing is improved, the time is shortened, and the effect is more satisfactory.

[0060] The present invention also provides an oily diamond abrasive paste for high hardness materials, and the oily diamond abrasive paste for high hardness materials is prepared by the above-mentioned preparation method. The embodiment of the oily diamond abrasive paste for high hardness materials includes the embodiment of the preparation method of the above-mentioned oily diamond abrasive paste for high hardness materials, and the beneficial effects of the above-mentioned preparation method of the oily diamond abrasive paste for high hardness materials can be applied to the oily diamond abrasive paste for high hardness materials. Similarly, the beneficial effects of the oily diamond abrasive paste for high hardness materials can be applied to the preparation method of the oily diamond abrasive paste for high hardness materials.

[0061] The present invention also provides an oily diamond grinding paste for high hardness materials, wherein the oily diamond grinding paste for high hardness materials comprises, in parts by mass:

[0062] Stearic acid: 10-80 parts;

[0063] Vinyl ether: 1-20 parts;

[0064] Vaseline: 1-10 parts;

[0065] Glycerides: 2-15 parts;

[0066] Glycerin: 0.1-8 parts;

[0067] Wax: 0.1-10 parts;

[0068] Artificial diamond powder: 2-200 parts.

[0069] In other embodiments, the mass fraction of stearic acid can also be 20 parts, 30 parts, 40 parts, 50 parts, 60 parts, or 70 parts; the mass fraction of vinyl ether can also be 5 parts, 10 parts, or 15 parts; the mass fraction of vaseline can also be 2 parts, 4 parts, 6 parts, or 8 parts; the mass fraction of glyceride can also be 4 parts, 8 parts, 10 parts, or 13 parts; the mass fraction of glycerol can also be 1 part, 2 parts, 4 parts, or 6 parts; the mass fraction of wax can also be 2 parts, 4 parts, 6 parts, or 8 parts; the mass fraction of artificial diamond micropowder can also be 20 parts, 50 parts, 100 parts, or 150 parts.

[0070] The oily diamond grinding paste is prepared by using anhydrous sodium acetate and triethylamine as catalysts.

[0071] The particle size of the artificial diamond powder is 0.05-60 μm. In other embodiments, the particle size of the artificial diamond powder can also be 0.1 μm, 1 μm, 10 μm, or 30 μm.

[0072] The embodiment of the oily diamond abrasive paste for high hardness material includes the embodiment of the preparation method of the above-mentioned oily diamond abrasive paste for high hardness material, and the beneficial effects of the above-mentioned preparation method of the oily diamond abrasive paste for high hardness material can be applied to the oily diamond abrasive paste for high hardness material. Similarly, the beneficial effects of the oily diamond abrasive paste for high hardness material can be applied to the preparation method of the oily diamond abrasive paste for high hardness material.

[0073] The present invention also provides an application of the above-mentioned oily diamond abrasive paste for high hardness materials, characterized in that the oily diamond abrasive paste for high hardness materials is applied to the grinding and polishing of high hardness materials, and the hardness of the high hardness materials is greater than Mohs hardness 9.5.

[0074] Among them, high hardness materials include super hard ceramics, tungsten carbide, silicon carbide, super hard crystals, diamond and other high hardness materials.

[0075] Example Preparation method of oily diamond grinding paste for high hardness materials

[0076] S1, placing 10-80 parts of stearic acid, 1-20 parts of vinyl ether, 1-10 parts of vaseline, 2-15 parts of glycerol ester, 0.1-8 parts of glycerol, 0.1-10 parts of wax, and 2-200 parts of artificial diamond powder in a heating device, and adding anhydrous sodium acetate and triethylamine as catalysts;

[0077] S2, placing the heating device in an autoclave and heating it under pressure, while introducing argon into the autoclave, wherein the heating time to 105° C. is 2-4 hours, and the pressure of the autoclave is 1-200 MPa, to obtain a heated abrasive paste;

[0078] S3, cooling the heated grinding paste to room temperature to obtain the oily diamond grinding paste.

[0079] Example Oily diamond paste for high hardness materials

[0080] The oily diamond grinding paste for high-hardness materials comprises, by weight: 10-80 parts of stearic acid; 1-20 parts of vinyl ether; 1-10 parts of vaseline; 2-15 parts of glycerol ester; 0.1-8 parts of glycerol; 0.1-10 parts of wax; and 2-200 parts of artificial diamond micropowder.

[0081] Example 1

[0082] S1, 30g of stearic acid, 10g of vinyl ether, 5g of vaseline, 3g of glyceride, 0.8g of glycerol, 5g of wax, and 30g of artificial diamond powder are placed in a heating device, and anhydrous sodium acetate and triethylamine are added as catalysts;

[0083] S2, placing the heating device in an autoclave and heating it under pressure, while introducing argon into the autoclave, wherein the heating time to 105° C. is 2 hours, and the pressure of the autoclave is 100 MPa, to obtain a heated abrasive paste;

[0084] S3, cooling the heated grinding paste to room temperature to obtain the oily diamond grinding paste.

[0085] Example 2

[0086] S1, 30g of stearic acid, 10g of vinyl ether, 5g of vaseline, 5g of glycerol ester, 1g of glycerol, 5g of wax, and 60g of artificial diamond powder are placed in a heating device, and anhydrous sodium acetate and triethylamine are added as catalysts;

[0087] S2, placing the heating device in an autoclave and heating it under pressure, while introducing argon into the autoclave, wherein the heating time to 105° C. is 2 hours, and the pressure of the autoclave is 100 MPa, to obtain a heated abrasive paste;

[0088] S3, cooling the heated grinding paste to room temperature to obtain the oily diamond grinding paste.

[0089] Example 3

[0090] S1, 30g of stearic acid, 10g of vinyl ether, 5g of vaseline, 7g of glyceride, 3g of glycerol, 5g of wax, and 90g of artificial diamond powder are placed in a heating device, and anhydrous sodium acetate and triethylamine are added as catalysts;

[0091] S2, placing the heating device in an autoclave and heating it under pressure, while introducing argon into the autoclave, wherein the heating time to 105° C. is 3 hours, and the pressure of the autoclave is 100 MPa, to obtain a heated abrasive paste;

[0092] S3, cooling the heated grinding paste to room temperature to obtain the oily diamond grinding paste.

[0093] Example 4

[0094] S1, 30g of stearic acid, 10g of vinyl ether, 5g of vaseline, 9g of glycerol ester, 5g of glycerol, 5g of wax, and 120g of artificial diamond powder are placed in a heating device, and anhydrous sodium acetate and triethylamine are added as catalysts;

[0095] S2, placing the heating device in an autoclave and heating it under pressure, while introducing argon into the autoclave, wherein the heating time to 105° C. is 3 hours, and the pressure of the autoclave is 100 MPa, to obtain a heated abrasive paste;

[0096] S3, cooling the heated grinding paste to room temperature to obtain the oily diamond grinding paste.

[0097] Example 5

[0098] S1, 30g of stearic acid, 10g of vinyl ether, 5g of vaseline, 12g of glyceride, 7g of glycerol, 5g of wax, and 150g of artificial diamond powder are placed in a heating device, and anhydrous sodium acetate and triethylamine are added as catalysts;

[0099] S2, placing the heating device in an autoclave and heating it under pressure, while introducing argon into the autoclave, wherein the heating time to 105° C. is 4 hours, and the pressure of the autoclave is 100 MPa, to obtain a heated abrasive paste;

[0100] S3, cooling the heated grinding paste to room temperature to obtain the oily diamond grinding paste.

[0101] Comparative Example 1

[0102] S1, 30g of stearic acid, 10g of vinyl ether, 5g of vaseline, 0.01g of glyceride, 0.01g of glycerol, 5g of wax, and 150g of artificial diamond powder are placed in a heating device, and anhydrous sodium acetate and triethylamine are added as catalysts;

[0103] S2, placing the heating device in an autoclave and heating it under pressure, while introducing argon into the autoclave, wherein the heating time to 105° C. is 6 hours, and the pressure of the autoclave is 100 MPa, to obtain a heated abrasive paste;

[0104] S3, cooling the heated grinding paste to room temperature to obtain the oily diamond grinding paste.

[0105] Comparative Example 2

[0106] S1, 30g of stearic acid, 10g of vinyl ether, 5g of vaseline, 17g of glycerol ester, 9g of glycerol, 5g of wax, and 150g of artificial diamond powder are placed in a heating device, and anhydrous sodium acetate and triethylamine are added as catalysts;

[0107] S2, placing the heating device in an autoclave and heating it under pressure, while introducing argon into the autoclave, wherein the heating time to 105° C. is 4 hours, and the pressure of the autoclave is 100 MPa, to obtain a heated abrasive paste;

[0108] S3, cooling the heated grinding paste to room temperature to obtain the oily diamond grinding paste.

[0109] Comparative Example 3

[0110] S1, 30g of stearic acid, 10g of vinyl ether, 5g of vaseline, 12g of glyceride, 7g of glycerol, 5g of wax, and 150g of artificial diamond powder are placed in a heating device, and anhydrous sodium acetate and triethylamine are added as catalysts;

[0111] S2, placing the heating device in an autoclave and heating it under pressure, while introducing oxygen into the autoclave, wherein the heating time to 105° C. is 4 hours, and the pressure of the autoclave is 100 MPa, to obtain a heated abrasive paste;

[0112] S3, cooling the heated grinding paste to room temperature to obtain the oily diamond grinding paste.

[0113] Comparative Example 4

[0114] 10g of diamond micropowder, 15g of rapeseed oil and 25g of nonylphenol polyoxyethylene ether were mixed uniformly under ultrasonic stirring to obtain diamond slurry. The ultrasonic frequency was 20kHz, the stirring rate was 800rad / min, and the mixing time was 30min. The particle size of the diamond micropowder was 1μm.

[0115] 10g of alkyl alcohol amide polyoxyethylene ether and 40g of lithium-based lubricant were mixed uniformly, and the stirring rate during mixing was 600rad / min, and the mixing time was 15min. Wherein, the lithium-based lubricant was prepared from 6g of animal and plant fats and oils, 12g of lithium hydroxide, 16g of fatty acid and 6g of base oil. The mixture of the above-mentioned surfactant and lithium-based lubricant was added to the above-mentioned diamond slurry and mixed uniformly to obtain a diamond polishing paste, and the stirring rate during mixing was 600rad / min, and the mixing time was 15min.

[0116] Table 1

[0117]

[0118]

[0119] In order to verify the beneficial effects of the present invention, the performance of the oily diamond grinding paste provided in the embodiment and the comparative example was tested, and the superhard ceramic was ground with the oily diamond grinding paste provided in the embodiment and the comparative example. The scratches, roughness, and removal rate of the ceramic surface of the superhard ceramic after grinding were statistically analyzed. The water-soluble diamond grinding paste used in the embodiment of the present invention was used to grind the high-hardness tungsten carbide material. The grinding result showed that the surface roughness Ra of the tungsten carbide material was 0.055 μm, which was significantly reduced compared to the roughness before grinding. The surface of the material was clean, with few scratches, and easy to clean. However, the grinding paste provided in the comparative example did not significantly reduce the roughness of the high-hardness tungsten carbide material, and there were many scratches on the surface of the material.

[0120] Comparison Figure 2 and Figure 3 It can be clearly seen that after grinding with the oily diamond grinding paste provided by the present invention for 1 minute, there is a significant improvement effect and the pores are not blocked.

[0121] Figures 4 to 6It can be seen that the test mean value of the heating current (Ith) of the polished carrier is: 18.18mA, the test mean value of the normal test carrier is: 18.66mA, the difference between the polished carrier and the normal test carrier is: 0.48mA, and the fluctuation percentage is: 2.75%, which is within the process control range; the test mean value of the power factor (Pf) of the polished carrier is: 6.553mW, the test mean value of the normal test carrier is: 6.523mW, the difference is: 0.03mW, the difference percentage is: 0.45%, and the fluctuation is within the process control range; the test mean value of the series resistance (Rs) of the polished carrier is: 6.805Ω, the test mean value of the normal test carrier is: 6.886Ω, the difference is 0.081Ω, and the difference percentage is 8.1%. The contact between the chip and the carrier improves after polishing, and Rs improves by 8.1%. After polishing with the oily diamond abrasive paste provided by the present invention, the roughness of the carrier surface becomes smaller and the contact with the chip is more complete, the series resistance (Rs) is significantly improved, and the other parameters also fluctuate within the process control range; further, the use of the oily diamond abrasive paste polishing product provided by the present invention can extend the service life of the carrier.

[0122] Obviously, the embodiments described above are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, ordinary technicians in this field can make other different forms of changes or modifications without creative work, which should fall within the scope of protection of the present invention.

Claims

1. A method for preparing an oily diamond grinding paste for high hardness materials, characterized in that: The preparation method comprises: 10-80 parts of stearic acid, 1-20 parts of vinyl ether, 1-10 parts of vaseline, 2-15 parts of glycerol ester, 0.1-8 parts of glycerol, 0.1-10 parts of wax, and 2-200 parts of artificial diamond powder are placed in a heating device, and anhydrous sodium acetate and triethylamine are added as catalysts; The heating device is placed in an autoclave for pressurized heating, and argon is introduced into the autoclave at the same time, wherein the heating time to 105° C. is 2-4 hours, and the pressure of the autoclave is 1-200 MPa, to obtain a heated abrasive paste; The heated grinding paste is cooled to room temperature to obtain the oily diamond grinding paste.

2. The method for preparing an oily diamond grinding paste for high hardness materials as claimed in claim 1, characterized in that: In the step of placing the heating device in an autoclave for pressurized heating and simultaneously introducing argon gas into the autoclave, the heating temperature is 100-150°C.

3. The method for preparing an oily diamond grinding paste for high hardness materials as claimed in claim 1, characterized in that: In the step of placing 10-80 parts of stearic acid, 1-20 parts of vinyl ether, 1-10 parts of vaseline, 2-15 parts of glycerol ester, 0.1-8 parts of glycerol, 0.1-10 parts of wax, and 2-200 parts of artificial diamond micropowder in a heating device, and adding anhydrous sodium acetate and triethylamine as catalysts, the particle size of the artificial diamond micropowder is 0.05-60 μm.

4. The method for preparing an oily diamond grinding paste for high hardness materials as claimed in claim 1, characterized in that: After the step of cooling the heated abrasive paste to room temperature to obtain the oily diamond abrasive paste, the preparation method further comprises: The obtained oily diamond grinding paste is color-adjusted and filled.

5. The method for preparing an oily diamond grinding paste for high hardness materials as claimed in claim 4, characterized in that: The step of coloring and filling the obtained oily diamond grinding paste comprises: Adding 1-50 parts of carbon black and 5-100 parts of purple powder into the oily diamond grinding paste for coloring to obtain a color-adjusted oily diamond grinding paste; The oily diamond grinding paste is heated and evenly filled into the container to be filled in batches.

6. An oily diamond grinding paste for high hardness materials, characterized in that: The oily diamond grinding paste for high-hardness materials is prepared by the preparation method according to any one of claims 1 to 5.

7. An oily diamond grinding paste for high hardness materials, characterized in that: The oily diamond grinding paste for high hardness materials includes the following in parts by mass: Stearic acid: 10-80 parts; Vinyl ether: 1-20 parts; Vaseline: 1-10 parts; Glycerides: 2-15 parts; Glycerin: 0.1-8 parts; Wax: 0.1-10 parts; Artificial diamond powder: 2-200 parts.

8. The oily diamond grinding paste for high hardness materials as claimed in claim 7, characterized in that: The oily diamond grinding paste is prepared by using anhydrous sodium acetate and triethylamine as catalysts.

9. The oily diamond grinding paste for high hardness materials as claimed in claim 1, characterized in that: The particle size of the artificial diamond powder is 0.05-60 μm.

10. An application of the oily diamond grinding paste for high hardness materials as claimed in any one of claims 6, 7 to 9, characterized in that: The oily diamond grinding paste for high-hardness materials is used for grinding and polishing high-hardness materials, and the hardness of the high-hardness materials is greater than Mohs hardness 9.5.

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