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High-temperature wear-resistant rubber, and preparation method and application thereof

A high-temperature wear-resistant and rubber technology, applied in the field of rubber materials, can solve the problems of short product life, easy wear, non-wear resistance, etc., and achieve the effect of improving wear performance, extending service life, and good wear resistance

Pending Publication Date: 2021-06-15
苏州力达精密配件有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Studies have shown that the current conventional rubber products are easy to wear, not wear-resistant, and have a short product life when they are tested for wear resistance.

Method used

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  • High-temperature wear-resistant rubber, and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] This embodiment provides a high-temperature wear-resistant rubber, which is obtained through the following steps.

[0020] Mixing: 100 parts of fluororubber, 5 parts of stabilizer, 5 parts of nano polyethylene (average particle size is 30 μm, molecular weight is 200×10 4 ), 5 parts of polytetrafluoroethylene micropowder (particle size 0.5-10 μm), 20 parts of carbon black, 1 part of benzyltriphenylphosphorous chloride, 2 parts of hexafluorobisphenol A, mixed in an internal mixer, and used The shearing stress of the rotor and the extrusion pressure generate heat, thereby uniformly dispersing various additives;

[0021] Vulcanization: At 175°C and 70kgf / cm2, react for 300s to change the rubber macromolecule from a linear structure to a network structure or a body structure to obtain rubber.

Embodiment 2

[0023] This embodiment is basically the same as Embodiment 1, the difference is:

[0024] When kneading, 100 parts of fluororubber, 1 part of stabilizer, 20 parts of nano polyethylene (average particle diameter is 30 μ m, molecular weight is 200 × 10 4 ), 20 parts of tetrafluoroethylene micropowder (with a particle size of 0.5-10 μm), 30 parts of carbon black, 5 parts of benzyltriphenylphosphine chloride, and 5 parts of hexafluorobisphenol A.

Embodiment 3

[0026] This embodiment is basically the same as Embodiment 1, the difference is:

[0027] When kneading, 100 parts of fluororubber, 3 parts of stabilizer, 10 parts of nano polyethylene (average particle diameter is 30 μ m, molecular weight is 200 × 10 4 ), 10 parts of polytetrafluoroethylene micropowder (with a particle size of 0.5-10 μm), 25 parts of carbon black, 3 parts of benzyltriphenylphosphine chloride, and 4 parts of hexafluorobisphenol A.

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Abstract

The invention discloses a high-temperature wear-resistant rubber, and a preparation method and application thereof. The high-temperature wear-resistant rubber comprises, by weight, 70-120 parts of fluororubber, 1-5 parts of a stabilizer, 5-20 parts of a wear-resistant agent, 5-20 parts of a lubricant, 20-30 parts of filler, 1-5 parts of an accelerant and 2-5 parts of a vulcanizing agent. The invention also provides the preparation method of the high-temperature wear-resistant rubber. The high-temperature wear-resistant rubber can continuously maintain good wear resistance at high temperature.

Description

technical field [0001] The invention relates to a rubber material, in particular to a rubber material with excellent wear resistance at high temperature, and belongs to the technical field of rubber materials. Background technique [0002] Rubber is generally vulcanized and crosslinked by adding a vulcanizing agent or a vulcanizing agent and a vulcanization accelerator. Studies have shown that conventional rubber products are fragile, not wear-resistant, and have a short product life when they are subjected to wear-resistant tests. Contents of the invention [0003] In order to solve the above technical problems, the object of the present invention is to provide a rubber material with excellent wear resistance. [0004] Another object of the present invention is to provide a method for preparing a rubber material with excellent wear resistance. [0005] In order to achieve the above technical purpose, the present invention firstly provides a high-temperature wear-resista...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/12C08L27/18C08L23/06C08K13/02C08K3/04C08K5/136
CPCC08L27/12C08L2205/02C08L2205/03C08L2201/08C08L27/18C08L23/06C08K13/02C08K3/04C08K5/136
Inventor 冒亚龙
Owner 苏州力达精密配件有限公司