Nonlinear rheological and thermo-oxidative aging behaviors of carbon black filled natural rubber nanocomposites mediated by a deep eutectic solvent based on 4-methyl-5,7-dihydroxycoumarin and tetrabutylammonium bromide

IF 8.1 2区材料科学 Q1 ENGINEERING, MANUFACTURING Composites Part A: Applied Science and Manufacturing Pub Date : 2025-02-11 DOI:10.1016/j.compositesa.2025.108798

Benteng Liu , Yihu Song , Miao Du , Qiang Zheng

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Abstract

Deep eutectic solvents (DESs) are able to promote vulcanization and improve mechanical properties of rubber nanocomposites. Investigated are rheological and thermo-oxidative aging behaviors of carbon black (CB) filled natural rubber (NR) nanocomposites mediated by a developed DES, revealing that the presence of DES could significantly promote vulcanization of NR and dispersibility of CB, the latter being related to polar interactions between DES and CB. DES interferes with the Payne effect by improving the onset strain amplitude and weakening the storage modulus decay and the loss modulus overshoot in the nonlinear viscoelasticity region without influencing mechanisms of Mullins effect during cyclic uniaxial tension at large strains. During long-term thermo-oxidative aging, DES influences the evolutions of mechanical properties and Mullins effect depending on the composition. This work is helpful for mediating the CB dispersity, NR crosslinking, strain softening and thermal-oxidative aging behavior of NR nanocomposites for design and manufacture of high-performance products.

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基于4-甲基-5,7-二羟基香豆素和四丁基溴化铵的深共熔溶剂介导的炭黑填充天然橡胶纳米复合材料的非线性流变和热氧化老化行为

深共晶溶剂（DESs）能够促进橡胶纳米复合材料的硫化，改善其力学性能。研究了一种新型DES介导的炭黑填充天然橡胶纳米复合材料的流变学和热氧化老化行为，发现DES的存在可以显著促进NR的硫化和炭黑的分散性，而炭黑的分散性与DES与炭黑的极性相互作用有关。在不影响大应变下循环单轴拉伸Mullins效应机制的情况下，DES通过提高起始应变幅值、减弱非线性粘弹性区的存储模量衰减和损耗模量超调来干扰Payne效应。在长期热氧化老化过程中，DES会影响材料的力学性能和Mullins效应的演变。研究结果有助于调控纳米复合材料的炭黑分散、NR交联、应变软化和热氧化老化行为，为高性能产品的设计和制造提供依据。

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文献相关原料

公司名称

产品信息

麦克林

ZnO

阿拉丁

N-Cyclohexyl-2-benzothiazolesulfenamide

来源期刊

Composites Part A: Applied Science and Manufacturing 工程技术-材料科学：复合

CiteScore

15.20

自引率

5.70%

发文量

492

审稿时长

30 days

期刊介绍： Composites Part A: Applied Science and Manufacturing is a comprehensive journal that publishes original research papers, review articles, case studies, short communications, and letters covering various aspects of composite materials science and technology. This includes fibrous and particulate reinforcements in polymeric, metallic, and ceramic matrices, as well as 'natural' composites like wood and biological materials. The journal addresses topics such as properties, design, and manufacture of reinforcing fibers and particles, novel architectures and concepts, multifunctional composites, advancements in fabrication and processing, manufacturing science, process modeling, experimental mechanics, microstructural characterization, interfaces, prediction and measurement of mechanical, physical, and chemical behavior, and performance in service. Additionally, articles on economic and commercial aspects, design, and case studies are welcomed. All submissions undergo rigorous peer review to ensure they contribute significantly and innovatively, maintaining high standards for content and presentation. The editorial team aims to expedite the review process for prompt publication.