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Wear-resistant ultraviolet curing magnetic roller coating and preparation method thereof

A magnetic roller and coating technology, applied in the field of coatings, can solve the problems of increased coating brittleness, coating wear, low tensile strength, etc., to reduce shrinkage-shaped defects, improve wear resistance, and enhance wear resistance. Effect

Inactive Publication Date: 2020-06-16
中山市锝力打印机设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When using wear-resistant UV-cured coatings, the hardness of the coating film can be improved by using a high-functionality polyurethane acrylate polymer, but because the tensile strength of polyacrylate itself is not high, its high-functionality polymer makes the coating film Increased brittleness so that abrasion of the coating is prone to occur

Method used

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  • Wear-resistant ultraviolet curing magnetic roller coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] 13 parts of graphene, 0.6 parts of methyl silicone oil, 6 parts of silicone resin, 0.7 parts of organo-modified polysiloxane acrylic leveling agent, 1.4 parts of fumed silica (0.1-1 μm in diameter), urethane acrylate ( Functionality of 6) 20 parts, 5 parts of hexanediol diacrylate, 4.5 parts of 2-hydroxy-2-methyl-1-phenyl-1-propanone, 7 parts of phytate, titanate coupling 1.4 parts of alicyclic epoxy resin, 10 parts of alicyclic epoxy resin, and 14 parts of zinc powder.

[0023] The above-mentioned coating preparation steps are as follows:

[0024] 1) Weighing: accurately weigh each component according to the formula amount for use;

[0025] 2) Mix urethane acrylate, hexanediol diacrylate and 2-hydroxy-2-methyl-1-phenyl-1-acetone, first stir at a slow speed of 1000rpm for 10min, then adjust the rotation speed to 2500rpm and disperse for 30min to obtain mixture;

[0026] 3) Mix the silicone resin, cycloaliphatic epoxy resin and phytate at 1000rpm for 20min to obtain a...

Embodiment 2

[0030] 12 parts of graphene, 0.8 parts of methyl silicone oil, 4 parts of silicone resin, 0.8 part of organo-modified polysiloxane acrylic leveling agent, 0.8 part of fumed silica (0.1-1 μm in diameter), urethane acrylate ( The functionality is 6) 25 parts, 0.1 part of hexanediol diacrylate, 6 parts of 2-hydroxy-2-methyl-1-phenyl-1-propanone, 4 parts of phytate, titanate coupling 2 parts of alicyclic epoxy resin, 8 parts of alicyclic epoxy resin, and 16 parts of zinc powder.

[0031] The preparation steps of the above coatings are the same as those in Example 1.

Embodiment 3

[0033] 14 parts of graphene, 0.4 parts of methyl silicone oil, 8 parts of silicone resin, 0.5 part of organic modified polysiloxane acrylic leveling agent, 2 parts of fumed silica (0.1-1μm in diameter), urethane acrylate ( Functionality of 6) 15 parts, 10 parts of hexanediol diacrylate, 3 parts of 2-hydroxy-2-methyl-1-phenyl-1-propanone, 10 parts of phytate, titanate coupling 0.75 parts of alicyclic epoxy resin, 12 parts of alicyclic epoxy resin, and 12 parts of zinc powder.

[0034] The preparation steps of the above coatings are the same as those in Example 1.

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Abstract

The invention discloses coating, and particularly relates to wear-resistant ultraviolet curing magnetic roller coating and a preparation method thereof. The coating is composed of the following raw materials by weight: 8 to 18 parts of graphene; 0.2 to 1.2 parts of methyl silicone oil; 2 to 12 parts of organosilicon resin; 0.2 to 1 part of organic modified polysiloxane acrylic acid type leveling agent; 0.2 to 2.5 parts of fumed silica, 10 to 32 parts of urethane acrylate, 0.01 to 15 parts of hexanediol diacrylate, 1 to 8 parts of 2-hydroxy-2-methyl-1-phenyl-1-acetone, 2 to 16 parts of inositolhexaphosphate, 0.25 to 2.5 parts of a titanate coupling agent, 5 to 15 parts of alicyclic epoxy resin and 10 to 18 parts of zinc powder. The coating is prepared by multi-step mixing and dispersing. The coating can conduct electricity after being subjected to ultraviolet curing, and has enough hardness and excellent wear resistance and tensile strength.

Description

technical field [0001] The invention relates to the field of coatings, in particular to a wear-resistant ultraviolet curing magnetic roller coating and a preparation method thereof. Background technique [0002] The magnetic roller has varying degrees of influence on the blackness, ghosting, background gray, periodic white bars and page yield of the printed product. Its main structure is composed of a magnetic roller sleeve, a magnetic core, a magnetic core conductive support, and a magnetic core shaft sleeve. The surface coating of the magnetic roller is thin, and the wear resistance of the coating directly affects the printing life. If the magnetic roller coating is not wear-resistant, it will lead to the appearance of printing water ripples after half a cycle. Large page unevenness is obvious. [0003] At present, the surface of the magnetic roller sleeve adopts wear-resistant UV-curable coating, which can realize one-time spraying on the surface, fast curing by UV irra...

Claims

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Application Information

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IPC IPC(8): C09D175/14C09D163/00C09D7/61C09D7/65C09D7/47
CPCC08K2201/003C08L2205/025C08L2205/035C09D7/47C09D7/61C09D7/65C09D7/70C09D175/14C08L83/04C08L63/00C08K13/04C08K7/26
Inventor 裴永刚陈良志黄俊杰
Owner 中山市锝力打印机设备有限公司
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