Crosslinked Natural Rubber and Styrene Butadiene Rubber Blends/Carbon Black Composites for Self-healable and Energy-saved Applications

IF 4.1 2区化学 Q2 POLYMER SCIENCE Chinese Journal of Polymer Science Pub Date : 2024-09-27 DOI:10.1007/s10118-024-3208-3

Ariya Julbust, Kwanchai Buaksuntear, Supitta Suethao, Phillip Kohl, Youli Li, Wirasak Smitthipong

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Abstract

Crosslinking natural rubber (NR) and styrene butadiene rubber (SBR) composites with carbon black (CB) have been utilized in the tire tread industry. A sulfur-based lightly crosslinker can potentially enhance the self-healing capabilities of rubber. Moreover, the rubber composites were studied for non-covalent interactions between the benzene rings of SBR and CB. In this research, rubber samples were prepared, and their structure was investigated using Fourier transform infrared (FTIR), and Raman spectroscopy. The red shift in Raman spectroscopy confirmed non-covalent interaction or hydrophobic interaction between SBR and CB in NR/SBR composites exposed to CB due to environmental change. The differential scanning calorimetry (DSC) thermograms showed that NR and SBR were incompatible. Additionally, the mechanical properties of these rubber blends were enhanced as the proportion of NR increased. The maximum self-healing performance reached 40% for the formulation containing 25 phr NR and 75 phr SBR, which also saved energy with low chain end movements. Therefore, these composites could be utilized as a semi-empirical model for studying crosslinked rubber blends, specifically in the rubber tire industry.

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用于自愈合和节能应用的交联天然橡胶和丁苯橡胶混合物/炭黑复合材料

用炭黑（CB）交联天然橡胶（NR）和丁苯橡胶（SBR）复合材料已被用于轮胎胎面行业。硫基轻交联剂有可能增强橡胶的自愈能力。此外，还对丁苯橡胶和炭黑的苯环之间的非共价相互作用进行了研究。本研究制备了橡胶样品，并使用傅立叶变换红外光谱（FTIR）和拉曼光谱对其结构进行了研究。拉曼光谱的红移证实了由于环境变化而暴露于 CB 的 NR/SBR 复合材料中 SBR 与 CB 之间的非共价作用或疏水作用。差示扫描量热法（DSC）热图显示 NR 和 SBR 不相容。此外，这些橡胶混合物的机械性能随着 NR 比例的增加而提高。在含有 25 phr NR 和 75 phr SBR 的配方中，自愈合性能最高可达 40%，同时还能通过低链端运动节省能量。因此，这些复合材料可用作研究交联橡胶共混物的半经验模型，特别是在橡胶轮胎行业。

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来源期刊

Chinese Journal of Polymer Science 化学-高分子科学

CiteScore

7.10

自引率

11.60%

发文量

218

审稿时长

6.0 months

期刊介绍： Chinese Journal of Polymer Science (CJPS) is a monthly journal published in English and sponsored by the Chinese Chemical Society and the Institute of Chemistry, Chinese Academy of Sciences. CJPS is edited by a distinguished Editorial Board headed by Professor Qi-Feng Zhou and supported by an International Advisory Board in which many famous active polymer scientists all over the world are included. The journal was first published in 1983 under the title Polymer Communications and has the current name since 1985. CJPS is a peer-reviewed journal dedicated to the timely publication of original research ideas and results in the field of polymer science. The issues may carry regular papers, rapid communications and notes as well as feature articles. As a leading polymer journal in China published in English, CJPS reflects the new achievements obtained in various laboratories of China, CJPS also includes papers submitted by scientists of different countries and regions outside of China, reflecting the international nature of the journal.