TREAD RUBBER COMPOSITION AND PNEUMATIC TIRE

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TREAD RUBBER COMPOSITION AND PNEUMATIC TIRE - A simplified explanation of the abstract

This abstract first appeared for US patent application 18615071 titled 'TREAD RUBBER COMPOSITION AND PNEUMATIC TIRE

The patent application describes tread rubber compositions and pneumatic tires with excellent abrasion resistance. The tread rubber composition contains at least 10% by mass of styrene-butadiene rubber and at least 10% by mass of polybutadiene rubber. It also meets specific criteria for hardness and swell changes before and after heat aging.

The tread rubber composition includes a significant amount of styrene-butadiene rubber and polybutadiene rubber.
The composition demonstrates specific changes in hardness and swell before and after heat aging.
The pneumatic tires made from this composition exhibit excellent abrasion resistance.

Potential Applications: - This technology can be used in the manufacturing of high-performance tires for various vehicles. - It can also be applied in industrial machinery tires that require superior abrasion resistance.

Problems Solved: - The technology addresses the need for tires with improved abrasion resistance. - It ensures better durability and longevity of pneumatic tires.

Benefits: - Enhanced abrasion resistance leads to longer tire lifespan. - Improved performance and safety on various road surfaces.

Commercial Applications: Title: High-Performance Tire Technology for Enhanced Abrasion Resistance This technology can be utilized in the production of tires for sports cars, trucks, and heavy machinery, catering to industries such as automotive, transportation, and construction.

Questions about Tread Rubber Compositions and Pneumatic Tires: 1. How does the composition of styrene-butadiene rubber and polybutadiene rubber contribute to the abrasion resistance of tires? - The combination of these rubber components enhances the overall durability and wear resistance of the tires, making them suitable for various applications.

2. What are the specific criteria for hardness and swell changes before and after heat aging, and how do they impact tire performance? - The criteria ensure that the tires maintain their structural integrity and performance under different temperature conditions, resulting in consistent performance and longevity.

Original Abstract Submitted

Provided are tread rubber compositions and pneumatic tires which are excellent in abrasion resistance. Included is a tread rubber composition containing, based on 100% by mass of a rubber component therein, 10% by mass or more of styrene-butadiene rubber and 10% by mass or more of polybutadiene rubber, and having an absolute value of change in hardness before and after heat aging, |ΔHs|, satisfying the following relationship (1) and an absolute value of change in Swell before and after heat aging, |ΔSwell|, satisfying the following relationship (2):