Goodyear Tire & Rubber. has filed a patent for a rubber composition for truck tires, including polyisoprene, polybutadiene rubber functionalized for silica coupling, and predominantly silica filler. The invention aims to improve tire performance and durability for trucks. GlobalData’s report on Goodyear Tire & Rubber gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Goodyear Tire & Rubber, Anti-skid tyre treads was a key innovation area identified from patents. Goodyear Tire & Rubber's grant share as of January 2024 was 75%. Grant share is based on the ratio of number of grants to total number of patents.
Rubber composition for truck tire with specific ingredients
The patent application (Publication Number: US20240034820A1) discloses a rubber composition specifically designed for truck tires. The composition includes polyisoprene, a polybutadiene rubber functionalized for coupling to silica, and a filler predominantly comprising silica. The amount of silica in the composition ranges from 45 phr to 75 phr, with specific embodiments requiring more than 50 phr and less than 65 phr of silica. The silica used should have a BET surface area of at least 190 m2/g, with minimal carbon black content ranging from less than 10 phr to 4 phr.
Furthermore, the polybutadiene rubber in the composition is specified to have certain functional groups and a glass transition temperature within a specific range. Additional components such as resin and silane are included in specific amounts to enhance the properties of the rubber composition. The patent also extends to the application of this rubber composition in truck tires, with specific mention of a 22.5-inch truck tire and its use in semi-trailer trucks. By detailing the components and their respective quantities, the patent aims to protect the unique formulation tailored for truck tires, emphasizing performance and durability in demanding road conditions.
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