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Aircraft tire tread rubber as well as preparation method and application thereof

A technology for aviation tires and tread rubber, which is applied to special tires, tire parts, transportation and packaging, etc., to achieve the effects of good puncture resistance, high tear strength and good wear resistance

Active Publication Date: 2020-11-17
中国化工集团曙光橡胶工业研究设计院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing tread rubber is difficult to meet the above performance requirements at the same time

Method used

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  • Aircraft tire tread rubber as well as preparation method and application thereof
  • Aircraft tire tread rubber as well as preparation method and application thereof
  • Aircraft tire tread rubber as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0055] The present invention provides the preparation method of aviation tire tread rubber described in above-mentioned scheme, comprises the following steps:

[0056] Mix the plasticized rubber of natural rubber. When the mixing temperature rises to 90-95°C, add multi-walled carbon nanotubes, multi-functional vulcanization activator and heat stabilizer to continue mixing. When the mixing temperature rises from 90-95°C When 95°C rises to 100-105°C, add Zhongchao wear-resistant carbon black, white carbon black wet-process adhesive and silane coupling agent to continue mixing. When the mixing temperature rises from 100-105°C to 140-145°C, add The obtained mixture is lowered, cooled and parked to obtain a section of mixed rubber;

[0057] Mix the first-stage compound rubber, tear-resistant resin, zinc oxide and anti-aging agent. When the temperature of the mixing rises to 120-125°C, the obtained mixture is lowered, cooled and parked to obtain the second-stage rubber compound;

...

Embodiment 1～3

[0067] The preparation raw materials of Examples 1-3 are shown in Table 4.

[0068] The preparation method of aviation tire tread rubber is as follows:

[0069] One section of mixing:

[0070] Put the natural rubber plastic compound into the internal mixer, and the mixing temperature is raised from 80°C to 90°C; put the multi-walled carbon nanotubes, multi-functional vulcanization activator, and heat stabilizer into the internal mixer according to the proportion, mix and internally knead, The mixing temperature is raised from 90°C to 100°C; put Zhongchao wear-resistant carbon black, white carbon black wet-process glue, and silane coupling agent into the internal mixer according to the proportion, mix and banbury, and the mixing temperature is raised from 100°C to 140°C; when the mixing temperature reaches 140°C, the mixture is discharged from the internal mixer to the tablet press, cooled, and parked for 16 hours to obtain a section of mixed rubber.

[0071] Two stage mixing...

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Abstract

The invention relates to the technical field of aircraft tires, in particular to aircraft tire tread rubber as well as a preparation method and application thereof. The aircraft tire tread rubber is prepared from the following preparation raw materials in parts by mass: 88-92 parts of natural rubber, 46-50 parts of medium-super wear-resistant carbon black, 12-18 parts of white carbon black wet rubber, 2-3 parts of a silane coupling agent, 1-2 parts of a heat stabilizer, 0.5-1 part of an anti-reversion agent, 1-3 parts of a multifunctional vulcanization activator, 1.5-2.0 parts of tear-resistant resin, 3-5 parts of zinc oxide, 2-5 parts of an anti-aging agent, 2.1-2.3 parts of insoluble sulfur, 1.0-1.1 parts of an accelerator and 1-2 parts of multiwalled carbon nanotubes. The tread rubber provided by the invention has the advantages of low compression heat generation, high tearing strength, good cutting resistance, good wear resistance, good flexing and cracking resistance, good ozone aging resistance, good thermal stability, high tensile strength, high elongation at break and the like, and can be used for aircraft tires.

Description

technical field [0001] The invention relates to the technical field of aviation tires, in particular to an aviation tire tread rubber and its preparation method and application. Background technique [0002] Tread rubber is a layer of rubber on which the outermost layer of the tire is in contact with the road surface and the surface is printed with patterns. With the continuous improvement of take-off and landing speeds of new aircraft, the performance requirements of tires are getting higher and higher. Aviation tires take off and land at high speed under high loads. The tread rubber needs high tensile strength, tear strength, low dynamic heat generation, good cutting resistance, good wear resistance, good flex crack resistance and heat resistance. Good stability can ensure the safety of tires. Due to the long storage time of tires, the tread rubber needs to have good ozone aging resistance. However, it is difficult for the existing tread rubber to satisfy the above perf...

Claims

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Application Information

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IPC IPC(8): C08L7/00C08L101/00C08K13/04C08K3/04C08K7/26C08K3/22C08K3/06B60C1/00
CPCC08L7/00B60C1/0016C08K2003/2296C08K2201/001C08K2201/011C08L2201/08C08L101/00C08K13/04C08K3/04C08K7/26C08K3/22C08K3/06C08K3/041
Inventor 俞华英王继泽孙乐华吴春齐彭文理
Owner 中国化工集团曙光橡胶工业研究设计院有限公司
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