Elastomers and Composites

The Rubber Society of Korea (한국고무학회)
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Influence of Blending Method on the Generation of Wear Particulate Matters and Physical Properties in TBR Tire Tread Compounds

  • Sanghoon Song (School of Chemical Engineering, Pusan National University) ;
  • Junhwan Jeong (School of Chemical Engineering, Pusan National University) ;
  • Jin Uk Ha (Advanced Materials R&D Department, Korea Automotive Technology Institute) ;
  • Daedong Park (Advanced Materials R&D Department, Korea Automotive Technology Institute) ;
  • Gyeongchan Ryu (School of Chemical Engineering, Pusan National University) ;
  • Donghyuk Kim (School of Chemical Engineering, Pusan National University) ;
  • Kiwon Hwang (Hankook Tire & Technology Co., Ltd R&D Center) ;
  • Sungwook Chung (School of Chemical Engineering, Pusan National University) ;
  • Wonho Kim (School of Chemical Engineering, Pusan National University)
  • Received : 2023.10.15
  • Accepted : 2023.11.09
  • Published : 2023.12.31
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Abstract

Because particulate matter has emerged as a major contributor to air pollution, the tire industry has conducted studies to reduce particulate matters from tires by improving tire performance. In this study, we compared the conventional blending method, in which rubber, filler, and additives are mixed simultaneously, to the Y-blending method, in which masterbatches are blended. We manufactured carbon black (CB)-filled natural rubber (NR)/butadiene rubber (BR) blend and silica-filled epoxidized NR/BR blend compounds to compare the effects of the two blending methods on the physical properties of the compounds and the amount of particulate matter generated. The Y-blending method provided uniform filler distribution in the heterogeneous rubber matrix, improved processability, and exhibited low rolling resistance. This method also improved physical properties owing to the excellent filler-rubber interaction. The results obtained from measuring the generation of particulate matter indicated that, the Y-blending method reduced PM2.5 particulate matter generation from the CB-filled and silica-filled compounds by 38% and 60%, and that of PM10 by 29% and 67%, respectively. This confirmed the excellence of the Y-blending method regarding the physical properties of truck bus radial tire tread compounds and reduced particulate matter generated.

Keywords

Acknowledgement

This research was supported by the Ministry of Trade, Industry, and Energy Grant funded by the Korean Government [Project Number 20003901]. This research was supported by the The Rubber Society of Korea Scholarship in 2021.

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