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A kind of tennis compound using β-type silicon carbide whiskers and rubber and its preparation method

A technology of silicon carbide whiskers and sizing materials, applied in the field of polymer materials, can solve the problems of low tensile strength and tear strength, and achieve the effects of large elastic modulus, improved cold resistance, and high heat resistance temperature.

Active Publication Date: 2020-06-02
LONGYAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, butadiene rubber has the disadvantages of low tensile strength and tear strength. Therefore, in order to make butadiene rubber have practical application value, its tensile strength and tear strength must be improved.

Method used

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Embodiment

[0024] All reagents used were commercial reagents unless otherwise specified, and were used directly without further purification after being purchased from the market.

[0025] The preparation method of the tennis compound that β-type silicon carbide whiskers and rubber are used together specifically comprises the following steps:

[0026] (1) On the open mill, masticate 300g of butadiene rubber with high cis structure at 40°C for 3 minutes, and then add 3g of stearic acid, 12g of zinc oxide, 25g of β-type silicon carbide whiskers, and 4g of rubber Accelerator DM, 2g rubber accelerator TT and 10g sulfur were mixed at 160°C for 12min to obtain β-type silicon carbide whisker / butadiene rubber compound;

[0027] (2) On the open mill, masticate 1000g of natural raw rubber at 50°C for 3 minutes, and then add 50g of zinc oxide, 60g of β-type silicon carbide whiskers, 10g of rubber accelerator D, 10g of rubber accelerator DM, 5g rubber accelerator TMTD and 20g sulfur were mixed at 1...

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Abstract

The invention discloses a beta-type silicon carbide whisker and rubber mixed tennis rubber material and a preparation method thereof. The preparation method includes: firstly, mixing B-type silicon carbide whisker with butadiene rubber to prepare beta-type silicon carbide whisker / butadiene rubber mixing rubber; then, mixing the beta-type silicon carbide whisker with natural rubber to prepare beta-type silicon carbide whisker / natural rubber mixing rubber; finally, mixing the beta-type silicon carbide whisker / butadiene rubber with the beta-type silicon carbide whisker / natural rubber to prepare the beta-type silicon carbide whisker mixed tennis rubber material. Performance of the tennis rubber material is enhanced through characteristics of high hardness, high elasticity modulus, high tensilestrength and high heat resistance of the beta-type silicon carbide whisker; the two kinds of rubber are made the best use of in preparing the tennis rubber material by the aid of characteristics of the vulcanized butadiene rubber good in cold tolerance, abrasion resistance and elasticity and characteristics of the natural rubber good in comprehensive performance; the obtained tennis rubber material has the advantages of high strength, good elastic resilience, high sadanobu stress and the like.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a tennis rubber compound used in combination with β-type silicon carbide whiskers and rubber and a preparation method thereof. Background technique [0002] As an important industrial raw material and strategic material, natural rubber has excellent comprehensive properties, such as high viscoelasticity, good insulation, wear resistance, air tightness and flex resistance, so it is widely used in aerospace, national defense and military industries , automobile tires, aircraft tires and medical elastomers and other fields. However, the strength and modulus of natural rubber itself are low, and it usually needs to be modified with reinforcing materials such as carbon black, silica, fiber, nano-powder material and whisker material to have practical application value. [0003] Butadiene rubber is a structurally regular synthetic rubber polymerized from butadiene. Butadiene ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L7/00C08L9/00C08K13/04C08K7/10C08K5/09C08K3/22C08K3/06C08J3/20
CPCC08J3/203C08J2307/00C08J2409/00C08K2003/2296C08K2201/003C08K2201/004C08L7/00C08L2201/08C08L9/00C08K13/04C08K7/10C08K5/09C08K3/22C08K3/06
Inventor 邱天张赐东
Owner LONGYAN UNIV
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