Composite polishing solution for metal polishing and preparation method thereof

A composite polishing and metal technology, applied in the field of metal polishing liquid, can solve problems such as low polishing efficiency, and achieve the effects of high polishing efficiency, improved brightness, and improved polishing efficiency

Active Publication Date: 2016-04-20
HENAN UNION ABRASIVES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The polishing liquid has good dispersion, wetting, and film-forming properties, and forms an air-blocking layer on the surface of the workpiece to prevent air from corroding the metal surface. However, its polishing efficiency is relatively low and cannot meet the requirements of use.

Method used

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  • Composite polishing solution for metal polishing and preparation method thereof
  • Composite polishing solution for metal polishing and preparation method thereof
  • Composite polishing solution for metal polishing and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] The composite polishing fluid for metal polishing of the present embodiment consists of the following components in mass percent:

[0039]

[0040]

[0041] The remainder is deionized water with a resistivity greater than 0.1 MΩ·cm.

[0042] The preparation method of the composite polishing liquid for metal polishing of the present embodiment comprises the following steps:

[0043] 1) Abrasive purification treatment: Take polycrystalline diamond micropowder and boron carbide micropowder respectively, add oxidizing acid (concentrated sulfuric acid), boil for 1 hour, let stand and cool for more than 1 hour until the abrasive sinks to the bottom of the container, and use a temperature not lower than 50°C The deionized water (resistivity greater than 0.1MΩ·cm) was repeatedly washed until the resistivity of the mixture of abrasive and water was greater than 0.02MΩ·cm, and the abrasive was dried for use; after purification, the impurity content on the surface of the abr...

Embodiment 2

[0047] The composite polishing fluid for metal polishing of the present embodiment consists of the following components in mass percent:

[0048]

[0049] The remainder is deionized water with a resistivity greater than 1 MΩ·cm.

[0050] The preparation method of the composite polishing liquid for metal polishing of the present embodiment comprises the following steps:

[0051] 1) Abrasive purification treatment: take polycrystalline diamond micropowder and boron carbide micropowder respectively, add oxidizing acid (nitric acid), boil for 1 hour, let stand and cool for more than 1 hour until the abrasive sinks to the bottom of the container, and use a temperature not lower than 50°C Wash with deionized water (resistivity greater than 0.1MΩ·cm) repeatedly until the resistivity of the mixture of abrasive and water is greater than 0.02MΩ·cm, then dry the abrasive and reserve it for later use; after purification, the impurity content on the surface of the abrasive is less than ...

Embodiment 3

[0055] The composite polishing fluid for metal polishing of the present embodiment consists of the following components in mass percent:

[0056]

[0057] The remainder is deionized water with a resistivity greater than 10 MΩ·cm.

[0058] The preparation method of the composite polishing liquid for metal polishing of the present embodiment comprises the following steps:

[0059] 1) Abrasive purification treatment: take polycrystalline diamond micropowder and boron carbide micropowder respectively, add oxidizing acid (perchloric acid), boil for 1 hour, let stand and cool for more than 1 hour until the abrasive sinks to the bottom of the container, and use a temperature not lower than 50 ℃ of deionized water (resistivity greater than 0.1MΩ·cm) was washed repeatedly until the resistivity of the mixture of abrasive and water was greater than 0.02MΩ·cm, and the abrasive was dried for later use; after purification, the impurity content on the abrasive surface was lower than 100pp...

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Abstract

The invention discloses a composite polishing solution for metal polishing and a preparation method thereof. The composite polishing solution is composed of the following components in percentage by mass: 0.1-2% of polycrystalline diamond micropowder, 0.1-2% of boron carbide micropowder, 5-60% of silicon dioxide sol, 0.02-5% of dispersing agent, 0.001-0.5% of pH regulator, 0-1% of corrosion inhibitor and the balance of water. The preparation method comprises the following steps: compounding a mixed abrasive from the polycrystalline diamond micropowder and boron carbide micropowder, adding the silicon dioxide sol as a polishing assistant, and adding the dispersing agent, pH regulator and corrosion inhibitor. The composite polishing solution can obviously enhance the polishing efficiency in the metal polishing process, prevents the abrasive from generating embedment on the metal part surface, enhances the brightness of the workpiece, reduces the treatment difficulty of the next procedure, and is suitable for popularization and application.

Description

technical field [0001] The invention belongs to the technical field of metal polishing fluid, in particular to a composite polishing fluid for metal polishing, and also relates to a preparation method of the composite polishing fluid for metal polishing. Background technique [0002] In our daily life, various metal products can be seen everywhere, such as thin and beautiful aluminum alloy mobile phone casing, high-end textured aluminum alloy notebook casing, exquisite and beautiful stainless steel LOGO, dazzling and shiny stainless steel trim, etc. The use of these metal materials adds a lot of color to our life. And this is inseparable from our fine processing of metal materials, among which metal polishing is a very important process in metal processing. [0003] Silicon dioxide polishing fluid is commonly used in metal polishing. Better surface effects can be obtained by using silica polishing fluid, but the polishing time is long, and the efficiency is low in mass prod...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09G1/02
CPCC09G1/02
Inventor 高礼明王森付存汪静
Owner HENAN UNION ABRASIVES
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