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Effect of non-rubber components on the wear behavior of vulcanized natural rubber nanocomposites

文献类型： 外文期刊

作者： Chen, Xiangfei 1 ; Wang, Mengyu 1 ; Kong, Yiran 1 ; Li, Zhouxian 1 ; Wang, Rui 2 ; Huang, Yajiang 1 ; Li, Guangxian 1 ;

作者机构： 1.Sichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn China, Chengdu 610065, Peoples R China

2.Chinese Acad Trop Agr Sci, Agr Prod Proc Res Inst, Zhanjiang 524001, Peoples R China

关键词： Natural rubber; Non-rubber components; Wear behavior; Crosslinked network

期刊名称：MATERIALS TODAY COMMUNICATIONS （ 影响因子：3.8； 五年影响因子：3.8 ）

ISSN：

年卷期： 2023 年 34 卷

页码：

收录情况： SCI

摘要： Non-rubber components (NRCs) in natural rubber (NR) endow NR with improved comprehensive properties. However, knowledge about their key roles in regulating the wear resistance of NR/carbon black (CB) nano-composites is still lacking. In this study, two kinds of raw rubber with high and low NRCs contents were prepared from rubber latex, and then two corresponding vulcanizates were prepared by internal mixing. It was found that NRCs accelerated the curing rate and improved the mechanical properties of NR nanocomposites. More importantly, NRCs facilitated the formation of oily films during wear and improved largely the wear resistance. This enhanced resistance to wear was also attributed to the suppression of friction-induced heating and improved resistance against thermo-oxidative aging, which led to lower damage to the crosslinked network.

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