Enhancing properties of chlorinated ethylene propylene diene monomer/chlorinated acrylonitrile butadiene rubber (ClEM/ClNR) composites through TESPT and APTES modified nanosilica

IF 2.6 4区化学 Q3 POLYMER SCIENCE

Journal of Polymer Research Pub Date : 2025-02-11 DOI:10.1007/s10965-025-04293-4

S. Arunkumar, S. Vijayakumar

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Abstract

This study investigates the enhancement of rubber properties through the incorporation of nanosilica (NS) modified with bis[3-(triethoxysilyl)propyl]tetrasulfide (TESPT) and γ-aminopropyltriethoxysilane (APTES) in chlorinated ethylene propylene diene monomer/chlorinated acrylonitrile butadiene rubber (ClEM/ClNR) composites. The dispersal of NS within the rubber matrix is crucial for improving properties. An in-situ surface modification method was employed, treating NS with TESPT. This approach significantly improved filler dispersion and compatibility with the ClEM/ClNR matrix. Curing studies demonstrated faster scorch time, cure time, and increased maximum torque for the APTES-modified nanosilica (APTES-NS) incorporated ClEM/ClNR compounds compared to pure ClEM/ClNR, NS-filled ClEM/ClNR composites, and TESPT-modified nanosilica (TESPT-NS)-filled ClEM/ClNR composites. The chemical connections formed between APTES's silanol groups and the NS surface contributed to enhanced curing efficiency and mechanical properties. Moreover, APTES-NS exhibited improved abrasion resistance, solvent swelling resistance, and compression set due to nanosilica's higher reinforcing efficiency. Overall, APTES-NS presents a promising avenue for tailoring properties in rubber-matrix composites.

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通过 TESPT 和 APTES 改性纳米二氧化硅提高氯化乙丙橡胶/氯化丙烯腈丁二烯橡胶 (ClEM/ClNR) 复合材料的性能

本研究探讨了在氯化乙丙二烯单体/氯化丙烯腈丁二烯橡胶（ClEM/ClNR）复合材料中加入双[3-(三乙氧基硅)丙基]四硫化物（TESPT）和γ-氨基丙基三乙氧基硅烷（APTES）改性的纳米二氧化硅（NS）来提高橡胶性能的问题。NS在橡胶基质中的分散对改善性能至关重要。我们采用了一种原位表面改性方法，用 TESPT 处理 NS。这种方法大大改善了填料的分散性以及与 ClEM/ClNR 基质的相容性。固化研究表明，与纯 ClEM/ClNR、NS 填充 ClEM/ClNR 复合材料和 TESPT 改性纳米二氧化硅 (TESPT-NS) 填充 ClEM/ClNR 复合材料相比，APTES 改性纳米二氧化硅 (APTES-NS) 填充 ClEM/ClNR 复合材料的焦烧时间、固化时间更快，最大扭矩也更大。APTES 的硅烷醇基团与 NS 表面之间形成的化学连接有助于提高固化效率和机械性能。此外，由于纳米二氧化硅的增强效率更高，APTES-NS 的耐磨性、耐溶剂溶胀性和压缩永久变形都得到了改善。总之，APTES-NS 为定制橡胶基复合材料的性能提供了一条很有前景的途径。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

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.