Precision polishing solution for stainless steel

A technology for precision polishing and stainless steel, applied in polishing compositions containing abrasives, etc., it can solve the problems of air pollution, inability to achieve precision polishing, etc., and achieve the effect of good surface quality, good polishing rate, and smooth surface

Inactive Publication Date: 2017-12-01
中机半导体材料(深圳)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional mechanical polishing and electrochemical polishing cannot achieve the effect of precision polishing, and produce air pollution

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] In this embodiment, the stainless steel precision polishing liquid is composed of the following components in weight percent: 30% nano-silica sol, 0.5% diethanolamine, 1% hydrogen peroxide, 0.02% potassium chloride, and water as the balance, wherein , the stainless steel precision polishing solution has a pH value of 9, and the particle size of the nano-silica sol is 50nm.

Embodiment 2

[0017] In this embodiment, the stainless steel precision polishing solution is composed of the following components in weight percentage: 30% nano-silica sol, 0.5% triethanolamine, 1% ammonium persulfate, 0.02% sodium chloride, and water as the balance, wherein , the stainless steel precision polishing solution has a pH value of 11, and the particle size of the nano-silica sol is 150nm.

Embodiment 3

[0019] In this embodiment, the stainless steel precision polishing solution is composed of the following components in weight percentage: 30% nano-silica sol, 0.5% disodium edetate, 1% iron nitrate, 0.02% magnesium chloride, and water as the balance , wherein the stainless steel precision polishing solution has a pH value of 9, and the particle size of the nano-silica sol is 50nm.

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PUM

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Abstract

The invention discloses a precision polishing solution for stainless steel. The precision polishing solution for the stainless steel is a mixed solution prepared from 30%-50% by weight of nano silicon sol, 0.5%-5% by weight of a complexing agent, 1%-5% by weight of an oxidizing agent, 0.02%-2% by weight of inorganic salt and the balance of water, wherein pH of the precision polishing solution for the stainless steel is 9-11, the particle size of the nano silicon sol is 50-150 nm. Compared with the prior art, the precision polishing solution for the stainless steel has the following beneficial effects: chloridion inorganic salt is added to the polishing solution for the stainless steel, so that the polishing solution for the stainless steel has good polishing rate and polished effect, a polished surface is smooth, the surface quality is good, and environmental pollution is avoided.

Description

technical field [0001] The invention relates to the field of metal precision polishing, in particular to a stainless steel precision polishing liquid. Background technique [0002] Stainless steel is widely used in various aspects of social life and many technical fields of the national economy. Its main components are nickel and chromium, with high hardness, good wear resistance and corrosion resistance, and are favored by the mobile phone industry. Among them, mobile phone parts such as: LOGO logo, speaker net, side buttons, card tray, card pin, etc. are made of stainless steel. . However, due to the precise requirements of the mobile phone industry, these mobile phone parts need to achieve a mirror effect after polishing for the subsequent anodic oxidation process. Higher requirements are put forward for the grinding and polishing of the mobile phone industry. [0003] Generally, there are three main types of stainless steel surface polishing: mechanical polishing, che...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09G1/02C23F3/04
CPCC09G1/02C23F3/04
Inventor 陈杏辉
Owner 中机半导体材料(深圳)有限公司
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