碳纳米管(CNTs)、氨基硅烷功能化CNTs、tespt功能化CNTs和1-十八醇功能化CNTs对EPDM/SBR纳米复合材料力学性能和抗膨胀性能影响的比较研究

IF 2.6 4区 化学 Q3 POLYMER SCIENCE
S. Vishvanathperumal, K. N. Ramu, J. Vasantheroy, K. A. V. Roossvelt Prabhu
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引用次数: 0

摘要

本研究考察了碳纳米管(CNTs)、3-氨基丙基三乙氧基硅烷(APTES)功能化碳纳米管(sCNTs)、双(三乙氧基硅丙基)四硫化物(TESPT)功能化碳纳米管(tCNTs)和1-十八醇功能化碳纳米管(cCNTs)对乙烯-丙烯-二烯单体/苯乙烯-丁二烯橡胶(EPDM/SBR)复合材料流变行为、力学性能、形貌、耐磨性、抗溶胀性、压缩集和交联密度的影响。填料含量从0到8phr(百份橡胶)不等。在流变性能方面,填料含量越高,最小转矩、最大转矩、增量转矩和固化率指数越高,而焦化时间和最佳固化时间越短。无论填料类型如何,增加填料含量会导致更高的复合粘度,缩短固化时间,增强交联密度,提高硫化胶的耐磨性和硬度。对于所有类型的填料,撕裂强度,压缩集和抗膨胀性能均随填料含量的增加而增加。然而,拉伸强度随着填料含量的增加而增加,但超过这个阈值后,所有填料类型的拉伸强度都明显下降。在任何给定的填充物含量下,与sccnts、tCNTs和cccnts相比,CNTs表现出优越的压缩凝固性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Comparative study on the effect of carbon nanotubes (CNTs), aminosilane-functionalized CNTs, TESPT-functionalized CNTs and 1-octadecanol-functionalized CNTs on the mechanical properties and swelling resistance of EPDM/SBR nanocomposites

The present study examines the effects of carbon nanotubes (CNTs), 3-aminopropyltriethoxysilane (APTES)-functionalized CNTs (sCNTs), bis(triethoxysilylpropyl) tetrasulfide (TESPT)-functionalized CNTs (tCNTs), and 1-octadecanol-functionalized CNTs (cCNTs) on the rheometric behavior, mechanical properties, morphology, abrasion resistance, swelling resistance, compression set, and crosslinking density of ethylene-propylene-diene monomer/styrene-butadiene rubber (EPDM/SBR) composites. The filler content was varied from 0 to 8 phr (parts per hundred rubber). In terms of rheometric behavior, properties such as minimum torque, maximum torque, delta torque, and cure rate index increased with higher filler content, while scorch time and optimum cure time decreased. Regardless of the filler type, increasing the filler content led to higher compound viscosity, reduced cure time, enhanced crosslink density, and improved abrasion resistance and hardness of the vulcanizates. For all filler types, tear strength, compression set, and swelling resistance showed a consistent increase with rising filler content. However, tensile strength increased with filler content up to 5 phr but declined noticeably beyond this threshold for all filler types. At any given filler content, CNTs demonstrated superior compression set performance compared to sCNTs, tCNTs, and cCNTs.

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来源期刊
Journal of Polymer Research
Journal of Polymer Research 化学-高分子科学
CiteScore
4.70
自引率
7.10%
发文量
472
审稿时长
3.6 months
期刊介绍: Journal of Polymer Research provides a forum for the prompt publication of articles concerning the fundamental and applied research of polymers. Its great feature lies in the diversity of content which it encompasses, drawing together results from all aspects of polymer science and technology. As polymer research is rapidly growing around the globe, the aim of this journal is to establish itself as a significant information tool not only for the international polymer researchers in academia but also for those working in industry. The scope of the journal covers a wide range of the highly interdisciplinary field of polymer science and technology, including: polymer synthesis; polymer reactions; polymerization kinetics; polymer physics; morphology; structure-property relationships; polymer analysis and characterization; physical and mechanical properties; electrical and optical properties; polymer processing and rheology; application of polymers; supramolecular science of polymers; polymer composites.
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