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High abrasion-resistant rubber sealing piece

A technology of rubber seals and nitrile rubber, which is applied in the field of seals, can solve the problems of wear resistance and elasticity of seals that cannot meet the needs, and achieve the effects of improving the sealing shock absorption effect, enhancing wear resistance, and good mechanical properties

Inactive Publication Date: 2017-05-10
安徽亚兰密封件股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at present, the wear resistance and elasticity of the seals cannot meet the demand, and it needs to be solved urgently.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A kind of high wear-resisting rubber seal that the present invention proposes, its raw material comprises by weight: 40 parts of nitrile rubber, 50 parts of EPDM rubber, 2 parts of hexafluoroisopropylidene diphenol, 10 parts of cyclodextrin , 1 part of polymetaphosphoric acid, 8 parts of chelating titanate coupling agent, 6 parts of magnesium hydroxide, 25 parts of barium titanate, 20 parts of bismuth oxide, 20 parts of steatite powder, 20 parts of oil shale, modified cotton 15 parts of hemp fiber, 2 parts of disproportionated rosin, 8 parts of sodium stearate, 4 parts of epoxy soybean oil, 2 parts of zinc oxide, 3 parts of fluorinated polyamide, 1,3-bis(tert-butylperoxyisopropyl) 6 parts of benzene, 3 parts of microcrystalline paraffin, and 3 parts of dicumyl peroxide.

Embodiment 2

[0017] A kind of high wear-resisting rubber seal that the present invention proposes, its raw material comprises by weight: 60 parts of nitrile rubber, 30 parts of EPDM rubber, 4 parts of hexafluoroisopropylidene diphenol, 4 parts of cyclodextrin , 3 parts of polymetaphosphoric acid, 4 parts of chelating titanate coupling agent, 10 parts of magnesium hydroxide, 15 parts of barium titanate, 30 parts of bismuth oxide, 10 parts of steatite powder, 30 parts of oil shale, modified cotton 10 parts of hemp fiber, 5 parts of disproportionated rosin, 4 parts of sodium stearate, 8 parts of epoxy soybean oil, 1 part of zinc oxide, 5 parts of fluorinated polyamide, 1,3-bis(tert-butylperoxyisopropyl) 2 parts of benzene, 4 parts of microcrystalline paraffin, 2 parts of dicumyl peroxide.

[0018] The modified cotton fiber is prepared by the following process: crush bamboo powder, add hydrochloric acid and stir evenly, carry out hydrothermal reaction, naturally cool, filter, wash until neutra...

Embodiment 3

[0020] A kind of high abrasion-resistant rubber seal that the present invention proposes, its raw material comprises by weight: 45 parts of nitrile rubber, 45 parts of EPDM rubber, 2.5 parts of hexafluoroisopropylidene diphenol, 8 parts of cyclodextrin , 1.5 parts of polymetaphosphoric acid, 7 parts of chelating titanate coupling agent, 7 parts of magnesium hydroxide, 22 parts of barium titanate, 22 parts of bismuth oxide, 17 parts of steatite powder, 22 parts of oil shale, modified cotton 14 parts of hemp fiber, 3 parts of disproportionated rosin, 7 parts of sodium stearate, 5 parts of epoxy soybean oil, 1.8 parts of zinc oxide, 3.5 parts of fluorinated polyamide, 1,3-bis(tert-butylperoxyisopropyl) 5 parts of benzene, 3.2 parts of microcrystalline paraffin, and 2.6 parts of dicumyl peroxide.

[0021] The modified cotton fiber is prepared by the following process: crush the bamboo powder, add hydrochloric acid and stir evenly, and carry out hydrothermal reaction. The temperatu...

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PUM

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Abstract

The invention discloses a high abrasion-resistant rubber sealing piece. The high abrasion-resistant rubber sealing piece comprises the following raw materials in parts by weight: 40 to 60 parts of nitrile rubber, 30 to 50 parts of ethylene-propylene- diene-terpolymer rubber, 2 to 4 parts of 4,4'-(hexafluoroisopropylidene)diphenol, 4 to 10 parts of cyclodextrin, 1 to 3 parts of polymetaphosphate, 4 to 8 parts of chelating type titanate coupling agent, 6 to 10 parts of magnesium hydroxide, 15 to 25 parts of barium titanate, 20 to 30 parts of bismuth oxide, 10 to 20 parts of lardite powder, 20 to 30 parts of oil shale, 10 to 15 parts of modified cotton ramie fibres, 2 to 5 parts of disproportionated rosin, 4 to 8 parts of sodium stearate, 4 to 8 parts of epoxidized soybean oil, 1 to 2 parts of zinc oxide, 3 to 5 parts of fluorinated polyamide, 2 to 6 parts of 1,3-bis(tert-butyl-peroxy-isopropyl)benzene, 3 to 4 parts of microcrystalline wax, and 2 to 3 parts of dicumyl peroxide. The high abrasion-resistant rubber sealing piece is of a special micro-pore structure, and has good compressive and resilient properties, good abrasion resistance, an excellent damping effect and an excellent sealing effect.

Description

technical field [0001] The invention relates to the technical field of seals, in particular to a high wear-resistant rubber seal. Background technique [0002] Seals are materials or parts that prevent fluid or solid particles from leaking from adjacent joint surfaces and prevent external impurities such as dust and moisture from invading the internal parts of the machine. Although the rubber and plastic seal is small, its function makes it a basic component and accessory in the main industries of the national economy such as national defense, chemical industry, petroleum, coal, transportation and machinery manufacturing, and occupies a very important position in the development of the national economy. However, the wear resistance and elasticity of the seals cannot meet the demand at present, and it needs to be solved urgently. Contents of the invention [0003] Based on the technical problems in the background technology, the present invention proposes a high wear-resis...

Claims

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Application Information

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IPC IPC(8): C08L23/16C08L9/02C08L5/16C08L1/02C08L93/04C08L91/00C08L77/00C08L91/06C08K13/06C08K5/10C08K3/22C08K3/24C08K5/098C08K5/14C08K9/06C08K3/04
CPCC08L23/16C08K2201/011C08L9/02C08L2205/035C08L2205/16C08L5/16C08L1/02C08L93/04C08L91/00C08L77/00C08L91/06C08K13/02C08K5/10C08K2003/2224C08K3/24C08K5/098C08K2003/2296C08K5/14C08K13/06C08K9/06C08K3/04
Inventor 黄炳喜杨浩
Owner 安徽亚兰密封件股份有限公司
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