Diamond polishing film as well as preparation method and application thereof

A polishing film and diamond technology, which is used in grinding/polishing equipment, metal processing equipment, manufacturing tools, etc., can solve the problems that the polishing film cannot meet the processing requirements of optical fiber connectors, the service life of the polishing film is reduced, and the product defect rate is increased. , to achieve the effect of improving self-sharpening, improving yield and service life, and improving polishing uniformity

Active Publication Date: 2019-04-05
BEIJING POLYSTAR HITECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The first object of the present invention is to provide a diamond polishing film to solve the technical problems that the polishing film in the prior art cannot meet the processing requirements of optical fiber connectors, resulting in an increase in product defect rate and a reduction in the service life of the polishing film

Method used

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  • Diamond polishing film as well as preparation method and application thereof
  • Diamond polishing film as well as preparation method and application thereof
  • Diamond polishing film as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0062] The preparation method of the diamond polishing film of the present embodiment, comprises the steps:

[0063] (1) Get D50=0.9 μm artificial single crystal diamond micropowder 500g, standby; In the mixed solvent (mass ratio is ethanol:water=4:1) of 500g ethanol and water, add silane coupling agent 2.5g, obtain silane Add the above-mentioned diamond micropowder to the coupling agent solution to obtain a mixed solution; stir the mixed solution at 70°C for 4h, centrifuge at 3500rpm for 3min for centrifugal classification, collect the precipitate, dry it, and obtain the coupled diamond micropowder; Surface morphology such as figure 1 shown;

[0064] (2) Add 700g of mixed adhesive with a solid content of 25% to the diamond micropowder of coupling treatment, then add 300g of mixed solvent of butanone, ethyl acetate and toluene with a mass ratio of 1:1:1, and add nano ceramics 5g of powder stiffening agent is fully dispersed by ball mill or ultrasonic disperser to obtain a sl...

Embodiment 2

[0068] The preparation method of the diamond polishing film of the present embodiment, comprises the steps:

[0069] (1) Get 500g of artificial single crystal diamond micropowder with D50=1.1μm, set aside; in the mixed solvent of 500g ethanol and water (mass ratio is ethanol:water=4:1), add 5g of silane coupling agent, obtain silane coupling agent Add the above-mentioned diamond powder to the coupling agent solution to obtain a mixed solution; stir the mixed solution at 70°C for 4 hours, and centrifuge at a speed of 3500 rpm for 3 minutes to obtain a coupling-treated diamond powder;

[0070] (2) Add 600g of mixed adhesive with a solid content of 30% to the diamond micropowder of coupling treatment, then add 400g of mixed solvent of butanone, ethyl acetate and toluene with a mass ratio of 1:1:2, and add nano ceramics 10g of powder stiffening agent is fully dispersed by a ball mill to obtain a slurry, and 80g of a polyurethane curing agent is added to the slurry to obtain a coat...

Embodiment 3

[0074] The preparation method of the diamond polishing film of the present embodiment, comprises the steps:

[0075] (1) Take 500g of artificial single crystal diamond micropowder with D50=1.0 μm, and set aside; in the mixed solvent of 500g ethanol and water (mass ratio is ethanol:water=4:1), add 10g of silane coupling agent to obtain silane coupling agent Add the above-mentioned diamond powder to the coupling agent solution to obtain a mixed solution; stir the mixed solution at 70°C for 4 hours, and centrifuge at a speed of 3500 rpm for 3 minutes to obtain a coupling-treated diamond powder;

[0076] (2) Add 500g of mixed adhesive with a solid content of 40% to the diamond micropowder of coupling treatment, then add 200g of mixed solvent of butanone, ethyl acetate and toluene with a mass ratio of 1:2:1, and add nano ceramics 15g of powder stiffening agent, after being fully dispersed by a ball mill, a slurry is obtained, and 70g of a polyurethane curing agent is added to the s...

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Abstract

The invention relates to the technical field of high-precision grinding and polishing, in particular to a diamond polishing film as well as a preparation method and application thereof. The diamond polishing film comprises a base material and a polishing coating, wherein the polishing coating is mainly prepared with the following components of, by weight: 4-6 parts of coupling-process diamond micro-powder, 3-9 parts of adhesives, 1-5 parts of solvents and 0.04-1 of a hardening agent. The preparation method comprises the following steps that the coupling-process diamond micro-powder, the adhesives, the solvents and the hardening agent are mixed in proportion, a curing agent is added, then the mixture is used for coating the surface of the base material, and curing is conducted to obtain thepolishing film. The diamond polishing film prepared through the method has the advantages that in the processing process of an optical communication device, such as an optical fiber connector, the processing requirements of an optical fiber connector can be effectively met, the processing yield is improved, and the service life of the polishing film is prolonged.

Description

technical field [0001] The invention relates to the technical field of high-precision grinding and polishing, in particular to a diamond polishing film and its preparation method and application. Background technique [0002] With the development of science and technology, the precision machining of many high-tech components is inseparable from grinding and polishing. Among them, the coated polishing film has attracted more and more attention because of its convenient use and high processing efficiency, and its application fields tend to increase. , mainly used for polishing of hard materials such as metal, ceramics and glass. [0003] Generally, precision devices such as optical communication devices, optical lenses, porcelain plates, and semiconductor monocrystalline silicon have high requirements for surface finish. If the surface has unevenness, scratches, or foreign matter attached, the design accuracy and performance will not be guaranteed. Therefore, the final Surfac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B37/11B24D18/00B24D11/00C09D175/04C09D163/00C09D7/62
CPCB24B37/11B24D11/00B24D11/001B24D18/0072C09D7/62C09D175/04C08L63/00C08K9/06C08K3/04C08K3/00
Inventor 张恒宫超
Owner BEIJING POLYSTAR HITECH CO LTD
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