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Wear-resistant coating for polyimide film stretcher and manufacturing method thereof

A polyimide film, wear-resistant technology, applied in coating, metal material coating process, melt spraying and other directions, can solve the problem of contamination of polyimide film and other problems, and achieve the effect of promoting batch continuous production

Inactive Publication Date: 2020-02-14
WUXI CHUANGCAI OPTICAL MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the above disadvantages, and focus on solving the problem that the metal needles on the needle plate chain are corroded, worn, and peeled off from the source to pollute the polyimide film. Therefore, the present invention further provides a polyimide film A wear-resistant coating for a stretching machine and a preparation method thereof, the wear-resistant coating can be coated on metal needles, so that the polyimide film is not polluted by metal shavings in the mass production process, and the method makes the polyimide film Imine film guarantees high level of cleanliness without washing

Method used

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  • Wear-resistant coating for polyimide film stretcher and manufacturing method thereof
  • Wear-resistant coating for polyimide film stretcher and manufacturing method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0040] The wear-resistant coating is manufactured on the metal needles of the polyimide film stretching machine. The surface of the metal needles is now cleaned. Specifically, the surface of the metal needles is rinsed with clean water, and the surface of the metal needles is sandblasted with white corundum. The surface roughness is above 2.0 μm, and then the surface of the metal needle is cleaned with absolute ethanol until it crystallizes, and it is ready for use.

[0041] 8.5kg zirconia particles (average particle size 0.01μm), 0.5kg boron nitride particles (average particle size 0.02μm), 2kg yttrium oxide (average particle size 0.03μm), 3kg cerium oxide (average particle size 0.02μm), 2 kg of titanium oxide (average particle size 0.01 μm) and 3 kg of tin oxide (average particle size 0.05 μm) were mixed evenly and set aside.

[0042] The above-mentioned mixed particles are sprayed onto metal needles by plasma spraying method, spraying parameters: main gas Ar flow rate is 60...

Embodiment 2

[0044] The wear-resistant coating is manufactured on the metal needles of the polyimide film stretching machine. The surface of the metal needles is now cleaned. Specifically, the surface of the metal needles is rinsed with clean water, and the surface of the metal needles is sandblasted with white corundum. The surface roughness is above 2.0 μm, and then the surface of the metal needle is cleaned with absolute ethanol until it crystallizes, and it is ready for use.

[0045] 8.7kg zirconia particles (average particle size 0.1μm), 0.4kg boron nitride particles (average particle size 0.2μm), 3kg yttrium oxide (average particle size 0.1μm), 2kg alumina (average particle size 0.2μm), 2kg of titanium oxide (average particle size 0.3 μm) and 2 kg of scandium oxide (average particle size 0.2 μm) were mixed evenly and set aside.

[0046] The above-mentioned mixed particles are sprayed onto metal needles by plasma spraying method, spraying parameters: the main gas Ar flow rate is 62L / m...

Embodiment 3

[0048] The wear-resistant coating is manufactured on the metal needles of the polyimide film stretching machine. The surface of the metal needles is now cleaned. Specifically, the surface of the metal needles is rinsed with clean water, and the surface of the metal needles is sandblasted with white corundum. The surface roughness is above 2.0 μm, and then the surface of the metal needle is cleaned with absolute ethanol until it crystallizes, and it is ready for use.

[0049] 9.0kg zirconia particles (average particle size 0.5μm), 0.3kg boron nitride particles (average particle size 0.8μm), 2kg cerium oxide (average particle size 0.6μm), 2kg titanium oxide (average particle size 0.8μm), 3kg of silicon oxide (average particle size 0.5 μm) was mixed evenly and set aside.

[0050] The above-mentioned mixed particles are sprayed onto the metal needle by plasma spraying method, spraying parameters: main gas Ar flow rate is 63L / min, auxiliary gas H2 flow rate is 11L / min, powder feedi...

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Abstract

The invention relates to a wear-resistant coating for a polyimide film stretcher and a manufacturing method thereof. The wear-resistant coating for the polyimide film stretcher contains 85-95% of zirconium oxide. The problem that a polyimide film is polluted due to the fact that metal chips fall off due to abrasion of a metal needle for fixing the film in the polyimide film manufacturing process is solved from the source, that is, the polyimide film can be prevented from being polluted by the metal chips in the batch production process through the wear-resistant coating, the film can be kept highly clean without being washed with water, and batch continuous production of the polyimide film is facilitated.

Description

technical field [0001] The invention relates to the technical field of heat-resistant and wear-resistant coatings, in particular to a wear-resistant coating for a polyimide film stretching machine and a preparation method thereof. Background technique [0002] With the vigorous development of technology and industrial technology, polyimide film (PI) has special properties such as high strength, high toughness, high temperature resistance, wear resistance, and corrosion resistance, especially in line with light and thin design requirements, so it is a A very competitive high temperature insulating material. [0003] In recent years, the manufacturing process of polyimide film has become more and more mature, and the biaxial stretching technology of polyimide film has a tendency to gradually replace uniaxial stretching. Stretching can impart more uniform stress to the film, thereby increasing the modulus of elasticity, tear strength and tensile strength of the film. [0004]...

Claims

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Application Information

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IPC IPC(8): C23C4/134C23C4/129C23C4/10C23C4/02
CPCC23C4/02C23C4/10C23C4/129C23C4/134
Inventor 周浪陈玉净
Owner WUXI CHUANGCAI OPTICAL MATERIALS