Elastomers and Composites

  • 제59권2호
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  • Pages.64-72
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  • 2024
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  • 2092-9676(pISSN)
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  • 2288-7725(eISSN)
한국고무학회 (The Rubber Society of Korea)
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Effect of Functionalized BR Content on the Wear Particulate Matters and Physical Properties in TBR Tire Tread Compounds

  • Junhwan Jeong (School of Chemical Engineering, Pusan National University) ;
  • Sanghoon Song (School of Chemical Engineering, Pusan National University) ;
  • Jin Uk Ha (Chassis & Materials Research Laboratory, Korea Automotive Technology Institute) ;
  • Daedong Park (Chassis & Materials Research Laboratory, Korea Automotive Technology Institute) ;
  • Jaeyun Kim (R&D Department, Kumho Petrochemical) ;
  • Yeongmin Jung (R&D Department, Kumho Petrochemical) ;
  • Donghyuk Kim (R&D Department, Hankook Tire & Technology) ;
  • Kiwon Hwang (R&D Department, Hankook Tire & Technology) ;
  • Sungwook Chung (School of Chemical Engineering, Pusan National University) ;
  • Wonho Kim (School of Chemical Engineering, Pusan National University)
  • 투고 : 2024.03.29
  • 심사 : 2024.06.28
  • 발행 : 2024.06.30
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초록

As air pollution continues to increase owing to increasing traffic centered in urban areas, the tire industry is researching methods to reduce particulate matter. In this study, functionalized lithium butadiene rubber (F-LiBR) was applied to a natural rubber (NR)/butadiene rubber (BR) blend compound often used in truck bus radial (TBR) tire treads. The effect of the functional group that can react with carbon black (CB) in BR was investigated in terms of the dispersion of CB and the compound performance, including the generation of particulate matter. Compounds that were substituted with F-LiBR exhibited enhanced interaction with CB, resulting in excellent filler dispersion. Although F-LiBR exhibited lower crosslinking density and inferior abrasion resistance due to its high vinyl content, the compound with 30 phr of F-LiBR was advantageous in terms of its rolling resistance due to the excellent filler dispersion, which was also effective in reducing the amount of generated particulate matter (up to 56% reduction for PM2.5, and 67% reduction for PM10). The results confirmed the benefits of the introduction of functional groups into TBR tire tread compounds, which can aid in improving the fuel efficiency and reducing particulate matter generation.

키워드

과제정보

This research was supported by a Ministry of Trade, Industry, and Energy grant funded by the Korean Government [Project Number 20003901].

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