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Prescription of low-heat generation tire casing bottom layer glue of pneumatic tyre

A pneumatic tire, low heat generation technology, applied in special tires, tire parts, transportation and packaging, etc., can solve the problems of tire shoulder damage, tire life reduction, etc., to improve tire load capacity, prolong service life, The effect of improving high-speed performance

Inactive Publication Date: 2009-08-19
万达集团股份有限公司
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0002] Due to our country's vast geography, logistics and transportation occupy an important position. At present, domestic overloading is still serious. Tires are often damaged due to long-distance and overloaded transportation, which leads to early damage to the tire shoulder and reduces the life of the tire.

Method used

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Embodiment Construction

[0015] A formulation of low-heat undertread rubber for pneumatic tires, the main components of which are raw rubber, white carbon black, carbon black, accelerators, anti-aging systems, zinc oxide, stearic acid, sulfur, and other components, and is characterized in that Its weight ratio is:

[0016] Raw rubber 85~110 ​​parts

[0017] White carbon black 5~15 parts

[0018] Carbon black N375 30~40 parts

[0019] Accelerator NS 0.8~2.0 parts

[0020] Anti-aging system 2.0~4.0 parts

[0021] Zinc oxide 2.0~5.0 parts

[0022] Stearic acid 1.5~3.0 parts

[0023] Sulfur 0.8~2.0 parts

[0024] Other components 8.0~10.0 parts

[0025] Its preferred weight ratio is:

[0026] 100 parts raw rubber

[0027] White carbon black 10 parts

[0028] Carbon black N375 35 parts

[0029] Accelerator NS 1.6 parts

[0030] Anti-aging system 3 servings

[0031] Zinc oxide 4 parts

[0032] 2.5 parts of stearic acid

[0033] Sulfur 1.2 parts

[0034] 9 parts of other components.

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Abstract

The invention provides a formulation for low-heat tread bottom rubber of pneumatic tire. The formulation mainly contains the components with the following weight portions: 85 to 110 portions of raw rubber, 5 to 15 portions of white carbon black, 30 to 40 portions of carbon black N375, 0.8 to 2.0 portions of promoter, 2.0 to 4.0 portions of anti-aging system, 2.0 to 5.0 portions of zinc oxide, 1.5 to 3.0 portions of stearic acid, 0.8 to 2.0 portions of sulfur and 8.0 to 10.0 portions of other components. The invention improves the tire high-speed performance, increases the tire loading capacity and prolongs the tire service life.

Description

Technical field: [0001] The invention relates to a formula belonging to automobile tires. Background technique: [0002] Due to our country's vast geography, logistics and transportation occupy an important position. At present, the domestic overload phenomenon is still serious, and tires are often damaged due to long-distance and overloaded transportation, which leads to early damage to the tire shoulder and reduces the life of the tire. Invention content: [0003] The purpose of the present invention is to provide a low-heat-generating undertread rubber formula for pneumatic tires. This formula uses carbon black and white carbon black together, and rationally uses white carbon black and carbon black to improve the performance of the rubber compound. After adopting low heat generation formula, it can improve the high-speed performance of the tire, increase the load-carrying capacity of the tire, and prolong the service life of the tire. [0004] The invention provides a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L21/00C08K13/02C08K3/04C08K3/36B60C1/00
Inventor 柳云典侯春明郑侠
Owner 万达集团股份有限公司
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