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Micropore rubber pad and manufacture process thereof

A technology of microporous rubber and backing plate, which is applied in the field of polymer processing, can solve the problems of poor impact load resistance, heavy weight of solid rubber backing plate, and low cushioning and shock absorption performance, and achieve strong impact load resistance and texture Uniform, high cushioning and shock absorption performance

Active Publication Date: 2014-07-02
四川宏亿复合材料工程技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the solid rubber pad has heavy weight, high thermal conductivity, weak impact load resistance, and low cushioning and shock absorption performance.

Method used

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  • Micropore rubber pad and manufacture process thereof

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Experimental program
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Effect test

Embodiment

[0035] A microporous rubber backing plate, the backing plate is made of the following ingredients in proportion by weight: 100 parts of Jihua EPDM4045, 10 parts of ZnO, 1 part of stearic acid 800 type, 1.2 parts of accelerator CBS, 0.8 parts of accelerator TMTD, 2 parts of S-80 vulcanizing agent, 65 parts of carbon black N330, 5 parts of nano clay, 25 parts of paraffin oil, 1 part of anti-aging agent RD, 1 part of anti-aging agent 4010NA, Rhine powder A- 16 is 2 copies, OBSH is 2 copies;

[0036] Above-mentioned microporous rubber backing plate is made by following preparation method:

[0037] a. Take each component according to the above-mentioned formula quantity, and set aside;

[0038] b. Put Jihua EPDM4045 into the internal mixing chamber of the internal mixer and pressurize (6-7MPa) for internal mixing for 1 minute, the internal mixing temperature is 45-50°C; the internal mixer speed is 35r / min;

[0039] c. Then put ZnO, stearic acid type 800, anti-aging agent 4010NA, ...

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Abstract

The invention discloses a microporous rubber backing plate. The backing plate is made of the following components according to the weight ratio: 100 parts of EPDM, 10 parts of ZnO, 1 part of stearic acid 800 type, 1.2 parts of accelerator CBS, 0.8 parts of accelerator TMTD, 2 parts of vulcanizing agent S-80, 65 parts of carbon black N330, 5 parts of nano clay, 25 parts of paraffin oil, 1 part of anti-aging agent RD, 1 part of anti-aging agent 4010NA, Rhine powder A -16 is 2 parts, OBSH is 2 parts. The invention has a uniform texture, and through a reasonable foaming process, a microporous rubber backing plate with a closed-cell sponge structure is formed inside the rubber, which is lighter in weight than a solid rubber backing plate, thereby replacing solid rubber to meet its rail vibration-damping characteristics requirements.

Description

Technical field [0001] The invention involves the field of polymer processing, which specifically involves a microporous rubber pad and its production process. Background technique [0002] With the improvement of the speed of the train, the technical requirements of the track structure are getting higher and higher. Compared with the orbital track, the no -orbital track has better integrity, stability and durability, and is basically exempt during the use cycle.Regardless of whether there are orbit or no orbit, the orbital agency must maintain a certain amount of elasticity. For the orbit, the density and the particle size of the Taoist tunnel directly affect the elasticity of the Tao bed.The elasticity of the elasticity is usually filled with CA mortar under the rail board as the elastic pad, but in some special areas, such as the transition section of the densely populated area or some road-bridge, bridge-tunnel, etc., it is necessary to be between the CA mortar and the track ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/16C08K13/02C08K3/04C08K3/22C08K3/34C08K5/09C08K5/3437C08J9/10C08J3/24
Inventor 杨玉玺冉隆诗王会超
Owner 四川宏亿复合材料工程技术有限公司
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