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Abrasive synthetic rubber material and its production

A wear-resistant synthetic rubber and rubber technology, applied in the field of rubber materials, can solve problems such as shortened service life, easy wear and tear of rubber layers, and accelerated wear between mechanical parts

Inactive Publication Date: 2007-01-17
河北九星橡塑制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the Acron wear of the rubber layer covered on the surface of its mechanical parts is only 0.7-0.9 (cm 2 ), the rubber layer is easy to wear and fall off, resulting in accelerated wear and corrosion between mechanical parts, and shortened service life

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] The first step rubber mastication

[0026] After crushing 25 kg of NR smoke sheet 1# natural rubber, send it to the rubber mixing machine for thin pass rubber mixing, press it into a 5 mm thick sheet, coat it with a release agent, and place it for 20 hours for use;

[0027] The second step of mixing:

[0028] Put the plasticized rubber sheet into the internal mixer, and then add 30 kg of butadiene rubber 9000, 32 kg of styrene-butadiene rubber 1500 and 15 kg of chlorinated polyethylene rubber 352L, at a temperature of 140 ° C Banbury for 10 minutes; then add 4 kg of polytetrafluoroethylene powder and mix for 5 minutes; then add 35 kg of nano magnesium hydroxide, 12 kg of micron magnesium hydroxide and 15 kg of talc in the internal mixer powder as filling material, 18 kg of oligoester TP-95, 20 kg of oil DOP and 1.0 kg of anti-vulcanization reducing agent Z-500 for 10 minutes, after pressing evenly, stop the machine and turn over the material, and cool down to 50 ℃ ; ...

Embodiment 2

[0031] The first step rubber mastication

[0032] After crushing 35 kg of NR smoke sheet 1# natural rubber, send it to the rubber mixing machine for thin pass rubber mixing, press it into 8mm thick flakes, coat it with a release agent, and place it for 21 hours for use;

[0033] The second step of mixing:

[0034] Put the plasticized rubber sheet into the internal mixer, and then add 28 kg of butadiene rubber 9000, 30 kg of styrene-butadiene rubber 1500 and 25 kg of chlorinated polyethylene rubber 352L, at a temperature of 150 ° C Mix for 8 minutes; then add 4 kg of polytetrafluoroethylene powder and mix for 3 minutes; then add 25 kg of nano-magnesium hydroxide, 25 kg of talc as filler, and 15 kg of oligomer Ester TP-95, 15 kg of oil DOP and 2.0 kg of anti-vulcanization reducing agent Z-500 are banburyed for 15 minutes, and after uniform pressing, stop the machine and turn over the warehouse to discharge the material, and cool down to 65 °C;

[0035] Put the cooled flakes in...

Embodiment 3

[0037] The first step rubber mastication

[0038] After crushing 30 kg of NR smoke sheet 1# natural rubber, send it to the rubber mixing machine to thin the rubber, press it into a 6 mm thick sheet, coat it with a release agent, and place it for 22 hours for use;

[0039] The second step of mixing:

[0040] Put the plasticized rubber sheet into the internal mixer, and then add 32 kg of butadiene rubber 9000, 25 kg of styrene-butadiene rubber 1500 and 18 kg of chlorinated polyethylene rubber 352L, at a temperature of 180 ° C Mix for 10 minutes; then add 5 kg of polytetrafluoroethylene powder and mix for 4 minutes; then add 28 kg of nano-magnesium hydroxide, 15 kg of micron magnesium hydroxide and 20 kg of talcum powder in the internal mixer to make Filling material, 16 kg of all-polyester TP-95, 25 kg of oil DOP and 1.5 kg of anti-vulcanization reducing agent Z-500 are banburyed for 12 minutes. After uniform pressing, stop the machine and turn over the warehouse to discharge t...

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PUM

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Abstract

An abrasive-resisting synthetic rubber material and its production are disclosed. The rubber material consists of natural rubber sheet, cis-1,4-polybutadiene rubber, styrene-butadiene rubber, chlorinated polypropylene rubber, greaseDOP, polytef, nanometer-magnesium hydroxide, oligomer ester, improver, fortifier, sulfur-resisting reducer, vulcanizing agent and filling agent. The process is carried out by plastication milling and milling to obtain abrasive-resisting synthetic rubber material, which has Schau's hardness 60, stretch strength 23, elongation 23 and elasticity 53%. It has better abrasive-resisting and anticorrosive performances and short life.

Description

technical field [0001] The invention belongs to the technical field of rubber materials, in particular to a wear-resistant synthetic rubber material and a preparation method thereof. Background technique [0002] In the machinery used to transport ore and other materials, such as mine slurry pumps, impellers, and conveyor belts, the surfaces are covered with rubber layers, and its function is to reduce wear and corrosion between mechanical parts. At present, the Acron wear of the rubber layer covered on the surface of its mechanical parts is only 0.7-0.9 (cm 2 ), the rubber layer is easy to wear and fall off, resulting in accelerated wear and corrosion between mechanical parts, and shortened service life. Contents of the invention [0003] The object of the present invention is to provide a wear-resistant synthetic rubber material for covering machine parts so that they have a long service life. [0004] The second object o...

Claims

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Application Information

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IPC IPC(8): C08L7/00C08L9/00C08L9/06C08K5/09C08L27/08C08L91/00C08L23/28
Inventor 吴炳兰仝国磊
Owner 河北九星橡塑制品有限公司
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