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Rubber composition for tread of truck radial tire with low hysteresis loss

A technology of rubber composition and radial tire, which is applied in special tires, tire parts, rolling resistance optimization, etc. It can solve the problems of difficult processing and unsatisfactory mechanical properties of wear resistance, etc., and achieve low hysteresis loss and excellent fuel economy. Sexuality and the effect of reducing energy consumption

Active Publication Date: 2014-10-29
QINGDAO DOUBLESTAR TIRE IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, a large number of conventional white carbon blacks are used, and there are problems such as difficult processing, wear resistance and other physical and mechanical properties of rubber materials that cannot meet the performance requirements of radial truck tires.

Method used

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  • Rubber composition for tread of truck radial tire with low hysteresis loss

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] In this embodiment, the base rubber is natural rubber. Each component of the composition of the embodiment is in parts by mass, and the specific components are shown in Table 1. The mixing of the rubber composition is carried out according to the above-mentioned preparation method of the rubber composition, and the difference from the above-mentioned preparation method is: vulcanization The rubber is then pressed into a 2.0mm thick film with a small open mill. After parking for 6 hours, use a steam plate vulcanizer to vulcanize the samples for 20min, 30min, and 40min at a temperature of 151°C. The samples are in accordance with relevant national standards. Test performance, in addition, use DMA / SDTA861e dynamic thermodynamic analyzer to test the dynamic performance of the rubber composition, using shear mode, the measurement frequency is 5Hz, the heating rate is 3°C / min, and the temperature range is -20°C to 80°C , the maximum amplitude of the force is 6N, the maximum a...

Embodiment 2

[0048] In this example, the only difference from Example 1 is that the base rubber is used in combination with natural rubber and rare earth butadiene rubber, and the performance test results of the prepared rubber composition are shown in Table 2.

[0049] Table 2 Typical performance

[0050]

[0051] .

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Abstract

The invention discloses a rubber composition for a tread of a truck radial tire with low hysteresis loss and belongs to the technical field of rubber tires. The rubber composition comprises the following components in parts by weight: 100 parts of matrix rubber, 5-7 parts of active agent, 15-30 parts of carbon black, 25-40 parts of white carbon black, 2-5 parts of silane coupling agent, 1-3 parts of white carbon black dispersant, 1-3 parts of plasticizer, 1.5-3 parts of accelerant, 3-6 parts of anti-aging agent, 1-2 parts of vulcanizing agent, 0.1-0.3 part of scorch retarder, 0-2 parts of antifatigue and 0-0.6 part of environment-friendly peptizer, wherein the matrix rubber is composed of natural rubber or natural rubber and rare earth cis-polybutadiene, the white carbon black is prepared by a high dispersing precipitation method, and the white carbon black dispersant is a higher aliphatic acid metallic soap mixture. The rubber composition disclosed by the invention has low hysteresis loss and can reduce the rolling resistance of the tire in use, so that the energy consumption of the vehicle is reduced.

Description

technical field [0001] The invention belongs to the technical field of rubber tires, in particular to a rubber composition used for treads of radial load radial tires with low hysteresis loss and a preparation method thereof. Background technique [0002] In recent years, reducing vehicle exhaust emissions has become one of the hot topics of global concern, and tires are closely related to vehicle exhaust emissions. Green tires have low rolling resistance and low fuel consumption, which can greatly reduce automobile carbon dioxide emissions. At the same time, they have better handling stability and have a positive effect on improving economic and social benefits. As is known, high speed, safety, comfort, energy saving, etc. have become the basic requirements for tire performance. It is expected that the tire has high grip (great friction between the tire and the ground, especially wet ground), low fuel consumption (small rolling resistance), low Carbon environmental protect...

Claims

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Application Information

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IPC IPC(8): C08L7/00C08L9/00C08K3/36C08K3/06C08K3/22C08K5/09B60C1/00
CPCY02T10/86
Inventor 黄义钢姜杰高绪风戚顺青李勇
Owner QINGDAO DOUBLESTAR TIRE IND CO LTD
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