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Effect of functionality and loading procedure of liquid butadiene rubber on properties of silica-filled tire tread compoundsopen access

Authors
Um, Gi-YongKwon, TaehoonLee, Seong HwanKim, WoongKim, JungsooYu, SeunggunKim, KihyunLee, Jin Hong
Issue Date
Dec-2023
Publisher
Elsevier Ltd
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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대학원 (나노신소재융합공학과)
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