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Fatigue-resistant gutta-percha spherical hinge for air suspension and preparation method of fatigue-resistant gutta-percha spherical hinge

An air suspension and fatigue-resistant technology, which is applied in the field of Eucommia rubber ball joint preparation, can solve problems such as the decline in fatigue performance of ball joints, achieve the effects of reducing dynamic heat generation and improving dynamic fatigue performance

Inactive Publication Date: 2020-07-28
江苏华永复合材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, studies have shown that eucommia rubber is distributed in natural rubber in a sheet form, which will cause tearing along the surface of the sheet structure during the tearing process of vulcanized rubber, and the tear strength will decrease by up to 20%, resulting in a decrease in the fatigue performance of the ball joint.

Method used

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  • Fatigue-resistant gutta-percha spherical hinge for air suspension and preparation method of fatigue-resistant gutta-percha spherical hinge
  • Fatigue-resistant gutta-percha spherical hinge for air suspension and preparation method of fatigue-resistant gutta-percha spherical hinge
  • Fatigue-resistant gutta-percha spherical hinge for air suspension and preparation method of fatigue-resistant gutta-percha spherical hinge

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] The fatigue-resistant eucommia rubber ball hinge for air suspension of the present invention is prepared by the following formula;

[0027]

[0028]

[0029] Utilize above-mentioned formula to prepare the concrete preparation method of spherical joint as follows:

[0030] S1 rubber mixing: place Eucommia rubber in an oven at 75°C for 8 hours, put natural rubber, butadiene rubber, and Eucommia rubber into the internal mixer, and mix for 4 minutes, then add zinc oxide, stearic acid, anti-aging agent, and thickener Put the agent into the internal mixer, mix for 2 minutes, then add carbon black and oil into the internal mixer and mix for 1.5 minutes, and leave the material for 10 hours to obtain a section of mixed rubber. Then, mix one section of mixed rubber with vulcanizing agent, accelerator, The anti-scorch agent was added to the internal mixer and mixed for 4 minutes to obtain the two-forged mixed rubber, and then the two-forged mixed rubber was thinly passed on ...

Embodiment 2

[0034] The fatigue-resistant eucommia rubber ball hinge for air suspension of the present invention is prepared by the following formula;

[0035]

[0036] Utilize above-mentioned formula to prepare the concrete preparation method of spherical joint as follows:

[0037] S1 rubber mixing: place Eucommia rubber in an oven at 75°C for 8 hours, put natural rubber, butadiene rubber, and Eucommia rubber into the internal mixer, and mix for 4 minutes, then add zinc oxide, stearic acid, anti-aging agent, and thickener Put the agent into the internal mixer, mix for 2 minutes, then add carbon black and oil into the internal mixer and mix for 1.5 minutes, and leave the material for 10 hours to obtain a section of mixed rubber. Then, mix one section of mixed rubber with vulcanizing agent, accelerator, The anti-scorch agent was added to the internal mixer and mixed for 4 minutes to obtain the two-forged mixed rubber, and then the two-forged mixed rubber was thinly passed on the open mil...

Embodiment 3

[0041] The fatigue-resistant eucommia rubber ball hinge for air suspension of the present invention is prepared by the following formula;

[0042]

[0043]

[0044] Utilize above-mentioned formula to prepare the concrete preparation method of spherical joint as follows:

[0045] S1 rubber mixing: place Eucommia rubber in an oven at 75°C for 8 hours, put natural rubber, butadiene rubber, and Eucommia rubber into the internal mixer, and mix for 4 minutes, then add zinc oxide, stearic acid, anti-aging agent, and thickener Put the agent into the internal mixer, mix for 2 minutes, then add carbon black and oil into the internal mixer and mix for 1.5 minutes, and leave the material for 10 hours to obtain a section of mixed rubber. Then, mix one section of mixed rubber with vulcanizing agent, accelerator, The anti-scorch agent was added to the internal mixer and mixed for 4 minutes to obtain the two-forged mixed rubber, and then the two-forged mixed rubber was thinly passed on ...

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Abstract

The invention relates to a fatigue-resistant gutta-percha spherical hinge for an air suspension. The gutta-percha spherical hinge is prepared from the following basic components in proportion: 50-90 parts of natural rubber, 0-20 parts of isoprene rubber, 0-20 parts of butadiene rubber, 0-20 parts of gutta percha, 4-8 parts of zinc oxide, 1-3 parts of stearic acid, 4-10 parts of tackifying resin, 1-10 parts of an anti-aging agent, 70-130 parts of carbon black, 0-15 parts of oil, 4.5-6.5 parts of a vulcanizing agent, 1-3 parts of an accelerant and 0.1-1 part of a scorch retarder. The spherical hinge has the advantages that a certain amount of gutta percha is added to a formula for the spherical hinge to replace a part of the natural rubber in a spherical hinge rubber material, and on the premise that the hardness and rigidity of the spherical hinge are guaranteed, the dynamic fatigue performance of the spherical hinge is improved, and dynamic heat generation of the spherical hinge is reduced.

Description

technical field [0001] The invention relates to a fatigue-resistant eucommia rubber ball hinge for an air suspension, and also relates to a preparation method of the above-mentioned eucommia rubber ball hinge. Background technique [0002] Eucommia ulmoides rubber is a natural macromolecular material produced from Eucommia ulmoides, which is distributed in the leaves, bark and fruit of Eucommia ulmoides. There are a large number of Eucommia trees distributed in Northwest my country and other regions, so my country has a large number of Eucommia gum resources. Eucommia rubber and natural rubber are isomers, and the main component is trans polyisoprene. Compared with natural rubber, it has the characteristics of good dynamic fatigue and low heat generation. Partially replacing the natural rubber in the air suspension ball joint with eucommia gum can not only reduce my country's dependence on natural rubber imports, but also improve the dynamic fatigue performance of the ball...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L7/00C08L9/00C08L45/02C08L93/04C08L57/02C08K13/02C08K3/22C08K5/09C08K3/04C08K3/06C08K5/14C08K5/47C08K5/18
CPCC08K2003/2296C08K2201/014C08L7/00C08L2205/025C08L2205/035C08L9/00C08L45/02C08L93/04C08L57/02C08K13/02C08K3/22C08K5/09C08K3/04C08K3/06C08K5/14C08K5/47C08K5/18
Inventor 李霜兵张志杰李强朱亮亮汪洋
Owner 江苏华永复合材料有限公司
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