轮胎橡胶含量对天然橡胶复合材料自愈合性能的影响

IF 2 4区化学 Q3 CHEMISTRY, MULTIDISCIPLINARY

Pure and Applied Chemistry Pub Date : 2024-04-15 DOI:10.1515/pac-2023-1203

Mimi Syahira Masraff, Nadras Othman, Muhamad Sharan Musa, Dai Lam Tran, Raa Khimi Shuib

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引用次数: 0

摘要

在这项研究中，我们研究了轮胎橡胶（GTR）（即橡胶尘 40 目（RD40））的负载对基于金属硫酸盐离子网络的天然橡胶（NR）内在自愈合的影响。RD40 颗粒的负载量在 10、20 和 30 phr 之间变化，以评估界面粘合、机械和动态特性以及愈合效率的最佳用量。通过膨胀试验对金属硫酸盐离子网络和共价交联进行了定量测量。此外，还研究了 RD40 负载对动态机械性能和形态特征的影响。使用万能测试仪测量了愈合前后橡胶的拉伸性能，以获得材料的愈合效率。结果表明，所开发的材料能够在室温下自动修复，无需人工干预。结果还显示，填充了 10 phr RD40 的自愈合 NR 的拉伸强度和断裂伸长率分别恢复了 92% 和 93%。这些研究结果表明了利用轮胎橡胶作为有效的可持续填充剂的益处，并加深了人们对自愈合策略以及轮胎橡胶与橡胶基质之间相互作用的理解。

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Effect of ground tyre rubber content on self-healing properties of natural rubber composites

In this investigation, we study the influence of the loading of ground tyre rubber (GTR), referred to as rubber dust 40 mesh (RD40), on the intrinsic self-healing natural rubber (NR) based on metal-thiolate ionic networks. The loading of RD40 particles was varied at 10, 20, and 30 phr to assess the optimum amount for interfacial bonding, mechanical and dynamic properties, and healing efficiency. The quantitative measurement of metal-thiolate ion networks and covalent crosslinks was assessed through swelling tests. The effects of RD40 loading on the dynamic mechanical properties and morphological characteristics were also investigated. Tensile properties of the rubbers before and after healing were measured using universal testing tester to obtain healing efficiency of the materials. The results showed that the developed materials have the ability to autonomously repair themselves at room temperature without the need for manual intervention. The results also revealed the tensile strength and elongation at break of self-healing NRs filled with 10 phr of RD40 were recovered 92 % and 93 %, respectively. The findings demonstrated the benefits of utilizing GTR as an effective sustainable filler and advanced the understanding of self-healing strategies and the interaction between ground tyre rubber and rubber matrices.

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来源期刊

Pure and Applied Chemistry 化学-化学综合

CiteScore

4.00

自引率

0.00%

发文量

审稿时长

3-8 weeks

期刊介绍： Pure and Applied Chemistry is the official monthly Journal of IUPAC, with responsibility for publishing works arising from those international scientific events and projects that are sponsored and undertaken by the Union. The policy is to publish highly topical and credible works at the forefront of all aspects of pure and applied chemistry, and the attendant goal is to promote widespread acceptance of the Journal as an authoritative and indispensable holding in academic and institutional libraries.