Effect of functionality and loading procedure of liquid butadiene rubber on properties of silica-filled tire tread compoundsopen access
- Authors
- Um, Gi-Yong; Kwon, Taehoon; Lee, Seong Hwan; Kim, Woong; Kim, Jungsoo; Yu, Seunggun; Kim, Kihyun; Lee, Jin Hong
- Issue Date
- Dec-2023
- Publisher
- Elsevier BV
- Keywords
- Functionality; Liquid butadiene rubber; Loading procedure; Silane coupling reaction; Tire tread compound
- Citation
- Polymer Testing, v.129
- Indexed
- SCIE
SCOPUS
- Journal Title
- Polymer Testing
- Volume
- 129
- URI
- https://scholarworks.gnu.ac.kr/handle/sw.gnu/68791
- DOI
- 10.1016/j.polymertesting.2023.108283
- ISSN
- 0142-9418
1873-2348
- Abstract
- This study explores the utilization of liquid butadiene rubber (LqBR) as a processing aid in tire tread compounds, as a replacement for treated distillate aromatic extract (TDAE) oil, which is known to contribute to the extraction of organic materials during tire aging. Additionally, the influence of the silane-terminated functional group in LqBR and the procedure of LqBR addition are investigated. The results demonstrate a significant reduction in organic extraction when employing silane-terminated LqBR as a processing aid. Moreover, the performance of tire tread compounds is comparable or even superior to those incorporating TDAE oil, particularly when 80 % silane-terminated LqBR is added after the mixing of silica and coupling agent. The enhanced performance is attributed to homogeneous silica dispersion and robust filler-rubber interaction. These findings offer valuable insights into the optimization procedure for developing tire tread compounds utilizing functionalized LqBR as a processing aid, with the aim of improving tire tread applications. © 2023 The Authors
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