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A kind of rubber composite material for laser engraving

A technology of laser engraving and composite materials, which is applied in the processing and manufacturing industry of rubber products, can solve the problems of rubber material performance degradation and large release

Active Publication Date: 2017-01-04
中国印刷科学技术研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to meet the requirement that the rubber material can withstand the ablation of high-energy laser rays, the rubber material needs to be filled with a large amount of flame-retardant fillers. However, traditional flame-retardant fillers will not only release a large amount of toxic and harmful fumes during the flame-retardant process, but also cause excessive filling. Causes problems such as degradation of rubber material performance, so it cannot be regarded as a good laser engraving resistant filler

Method used

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  • A kind of rubber composite material for laser engraving
  • A kind of rubber composite material for laser engraving
  • A kind of rubber composite material for laser engraving

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] At room temperature, wrap 100 parts of natural rubber on double rollers on the rubber mixer, then add 5 parts of zinc oxide and 2 parts of stearic acid in sequence, and mix for 0.5 minutes; then add 0.5 parts of anti-aging agent RD, and add anti-aging agent 4010NA to 0.5 1 part, mix for 2 minutes; then add 0.01 part of VN3 white carbon black, 1 part of N220 carbon black and 0.5 part of Si69 in batches, then mix for 5 minutes, then add 0.01 part of chlorinated paraffin and 1 part of red phosphorus, mix After kneading for 0.5 minutes, add 1.5 parts of accelerator CZ and 3 parts of sulfur into the open mill, thin pass 5 times to produce tablets, then park for 4 hours, then return to kneading for 5 minutes and vulcanize to form a composite material.

[0025] The accelerator CZ is N-cyclohexyl-2-benzothiazole sulfenamide; Si69 is bis(triethoxysilylpropyl) tetrasulfide; antioxidant RD is 2,2,4-trimethyl -1,2-dihydroquinoline polymer (belongs to ketone-amine reaction product a...

Embodiment 2

[0027] At room temperature, wrap 100 parts of natural rubber on double rollers on the rubber mixer, then add 5 parts of zinc oxide and 2 parts of stearic acid in sequence, and mix for 0.5 minutes; then add 4 parts of anti-aging agent RD, add anti-aging agent 4010NA to 5 1 part and 1 part of protective wax, mixed for 5 minutes; then add 10 parts of VN3 white carbon black and 10 parts of N234 carbon black and 4 parts of Si69 in batches, then add 10 parts of brominated epoxy resin, 10 parts of alumina and 5 parts of red phosphorus, then mixed for 10 minutes, and finally, 1.5 parts of accelerator CZ, 0.2 parts of accelerator TT and 3 parts of sulfur were added to the open mill, and the tablet was produced 5 times by thin pass, then parked for 4 hours, and then re-milled 5 minutes and vulcanized molding to obtain a composite material.

[0028] The accelerator TT is tetramethylthiuram disulfide; the protective wax is a kind of anti-aging agent, which plays the role of anti-ozone agi...

Embodiment 3

[0030] At room temperature, wrap 100 parts of natural rubber on double rollers on the rubber mixer, then add 4 parts of zinc oxide and 1 part of stearic acid in sequence, and mix for 0.5 minutes; then add 4 parts of antioxidant MB, and add antioxidant 445 to make 5 and 4 parts of protective wax, mixed for 5 minutes; then add 50 parts of T383 white carbon black, 0.5 parts of N234 carbon black and 4 parts of Si75 in batches, then mix for 10 minutes, then add 20 parts of hydrotalcite and 0.2 parts Add 5 parts of paraffin oil, knead for 10 minutes, and finally add 1.5 parts of accelerator DM, 3 parts of accelerator DTDM and 2 parts of sulfur in the open mill, and thin pass 5 times The sheet is released, then parked for 4 hours, then re-milled for 5 minutes and vulcanized to obtain a composite material.

[0031] The accelerator DM is 2,2'-dithiodibenzothiazole; the accelerator DTDM is 4,4'-dithiodimorpholine; Si75 is bis(triethoxysilylpropyl) disulfide ; Antiaging agent MB is 2-me...

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Abstract

The invention relates to a rubber composite material for laser engraving, and aims to provide a rubber composite material for laser engraving having excellent routine physical and mechanical performances and excellent laser engraving resistance. The rubber composite material with excellent laser engraving resistance is prepared by compounding a dual-component laser engraving resistant filler with a polymer material (rubber). The dual-component laser engraving resistant filler comprises a flame retardation component and a supporting component, so the rubber composite material has excellent routine physical and mechanical performances and has excellent laser engraving resistance.

Description

technical field [0001] The invention relates to a rubber composite material for laser engraving, which is used for printing plates, and relates to the processing and manufacturing industries of rubber products, such as aviation, electronics, automobiles, medical treatment and the like. Background technique [0002] Laser has the advantages of good directionality, high energy density, and good monochromaticity, and is very suitable for material processing, so it has always been valued by scientific research and industry. [0003] Laser engraving refers to the use of a laser beam to act on the material to cause a change in the shape or performance of the sample. It is a high-power-density spot formed by focusing the laser beam. In a few microseconds, the temperature of the spot area rises to the melting point or even the boiling point of the material. , so that the material at the irradiated place will melt and vaporize, ablate or reach the ignition point immediately. When th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L7/00C08L23/16C08L9/02C08L9/06C08L23/22C08L9/00C08L15/00C08L33/08C08L63/00C08L83/04C08K13/02C08K3/22C08K5/09C08K5/02C08K3/02C08K3/06C08K3/04C08K3/36C08K3/34C08K5/521C08K3/32C08K5/053C08K3/28C08K5/3492C08K5/14C08K5/06C08K3/38
Inventor 张竞欧阳芸张法忠褚庭亮
Owner 中国印刷科学技术研究所
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