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A kind of metal free-form surface surface polishing liquid and its preparation method and application

A surface polishing and free technology, applied in the field of polishing materials, can solve the problems of high cost, low product polishing efficiency, and inability to perform batch polishing

Active Publication Date: 2021-07-06
宁波日晟新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, due to the irregular shape of the components, individual components need to be processed separately, and batch polishing cannot be performed, resulting in low polishing efficiency and high cost.

Method used

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  • A kind of metal free-form surface surface polishing liquid and its preparation method and application
  • A kind of metal free-form surface surface polishing liquid and its preparation method and application
  • A kind of metal free-form surface surface polishing liquid and its preparation method and application

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preparation example Construction

[0042] The present invention also provides a method for preparing a metal free-form surface polishing solution described in the above technical solution, comprising the following steps:

[0043] The liquid carrier, the dispersant, the friction agent, the thickening additive, the oxidizing agent and the surfactant are mixed according to the parts by weight, and the pH value is adjusted to obtain the metal free-form surface polishing liquid.

[0044] In the present invention, the mixing is preferably carried out under stirring conditions, and the stirring is preferably mechanical stirring or magnetic stirring. The present invention has no special limitation on the rotation speed and time of stirring, as long as a mixed solution can be obtained.

[0045] In the present invention, there is no special limitation on the order of adding the liquid phase carrier, dispersant, friction agent, thickening additive, oxidizing agent and surfactant; in the present invention, the mixing order ...

Embodiment 1

[0052] Weigh 5 kg of α-alumina with a particle size of 2 to 10 μm, add 1 kg of ethylene glycol (concentration: 5%), stir and disperse at room temperature, add 2.5 kg of water, 1 kg of modified ethyl cellulose, and 1 kg of 1% peroxide Hydrogen is made into a suspension, and after adding 1kgN-isopropyl polyacrylamide, a mixed solution is obtained, and the pH is adjusted to 2.5 with nitric acid solution, stirred evenly, and left to stand to obtain a metal free-form surface polishing liquid. The viscosity of the polishing liquid in a static state is 1.37 Pa.s.

[0053] Fix the 316L stainless steel frame on the fixture and immerse it in the prepared metal free-form surface polishing solution. The fixture drives the stainless steel frame to rotate rapidly around the main axis, and at the same time, the frame rotates at high speed perpendicular to the main axis, and polishes for 8 minutes to obtain a smooth mirror surface. No orange peel.

Embodiment 2

[0055] Weigh 5 kg of precipitated silica with a particle size of 20-30 μm, add 5 g of ethylene glycol solution (concentration: 10%), stir and disperse at room temperature, add 1 kg of polyethylene glycol (concentration: 70%), 50 g of corn Starch, add 50g of 0.5% hydrogen peroxide to make a suspension, add 50g of N-isopropyl polyacrylamide to obtain a mixed solution, adjust the pH to 3 with nitric acid solution, stir evenly, and let it stand to obtain a metal free-form surface polishing Liquid, the viscosity of the polishing liquid at rest is 1.52Pa.s.

[0056] The 316L stainless steel frame is fixed on the jig and immersed in the prepared metal free-form surface polishing solution. The jig drives the stainless steel frame to rotate rapidly around the main shaft. Orange peel phenomenon.

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Abstract

The invention provides a metal free-form surface surface polishing liquid, which belongs to the field of polishing liquid preparation. The metal free-form surface surface polishing liquid provided by the present invention is introduced by introducing 20-50 parts of liquid phase carrier, 0.1-20 parts of dispersant, 1-30 parts of thickening additive, 80-120 parts of friction agent, 1-20 parts of oxidizing agent and 0.1 ~20 parts of surface active substances, each component coordinates with each other and works together, while ensuring the continuous polishing effect of the polishing liquid, it solves the problem in the prior art that the viscosity of the polishing liquid increases with the temperature of the polishing system during the polishing process. High and low, resulting in a technical problem of reduced polishing efficiency. At the same time, the preparation method of the metal free-form surface polishing liquid provided by the invention is simple and easy to operate, has low energy consumption, greatly reduces the polishing cost, and can realize mass polishing of metal free-form surface parts.

Description

technical field [0001] The invention relates to the technical field of polishing materials, in particular to a metal free-form surface surface polishing liquid and a preparation method and application thereof. Background technique [0002] The development goal of modern manufacturing industry is the intelligent manufacturing of Industry 4.0. The crown of intelligent manufacturing is ultra-precision manufacturing, and the pearl of the crown of ultra-precision surface is the processing of ultra-precision and non-damaged surface. For example, the manufacture of ultra-large integrated circuit chips has entered the 7-nanometer manufacturing process. In this ultra-precision manufacturing process, the characteristics of the device are at the nanometer level, which is close to the human neuron system. The fabrication of state-of-the-art VLSI chips cannot be accomplished without the assurance of ultra-precise surface processing. At present, the polishing of ultra-large integrated ci...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09G1/02
CPCC09G1/02
Inventor 孙韬
Owner 宁波日晟新材料有限公司
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