In-situ polymerization strategy for antistatic graphene oxide/polyamide (PA10T/10I) composites with high performance

IF 2.6 4区化学 Q3 POLYMER SCIENCE

Journal of Polymer Research Pub Date : 2025-03-24 DOI:10.1007/s10965-025-04332-0

Chao Yang, Hongyu Liu, Jiachun Zhong, Zejun Pu

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引用次数: 0

Abstract

A sustainable copolymer derived from natural sources, poly(decamethylene terephthalamide/decamethylene isophthalamide) (PA10T/10I), was synthesized along with a series of PA10T/10I composites incorporating graphene oxide (GO) at concentrations ranging from 0.05 to 1 wt.% via an efficient in-situ polymerization method. The study investigated the impact of varying GO content on the performance of PA10T/10I/GO composites. Antistatic property tests demonstrated that even a small amount of GO significantly reduced the surface resistance of PA10T/10I, with notable improvements observed at just 1 wt.%, enhancing the antistatic properties of the PA10T/10I matrix. Additionally, Differential Scanning Calorimetry (DSC) analysis revealed that the crystallization properties of PA10T/10I were improved by the incorporation of GO, with minimal changes in the melting points of the PA10T/10I/GO composites. The melting temperatures remained in the range of 289.6 ~ 281.9 ℃as the GO content varied from 0.05 to 1 wt.%. Thermogravimetric Analysis (TGA) and Heat Deflection Temperature (HDT) results showed that the PA10T/10I/GO composites exhibited excellent thermal stability, with PA10T/10I/GO-5 (containing 1 wt.% GO) achieving a higher HDT of 105.9 ℃, surpassing that of the PA10T/10I matrix by approximately 10 ℃. Mechanical testing indicated that the tensile strength of PA10T/10I/GO-5 was approximately 28.20% higher than that of PA10T/10I, while the bending strength increased by about 23.03%. This study presents an efficient approach for fabricating polyamide composites with outstanding antistatic, crystallization, thermal resistance, and mechanical properties via in-situ polymerization, thereby facilitating the practical application of GO-based fillers.

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通过一种高效的原位聚合方法，合成了一种从天然资源中提取的可持续共聚物--聚（十甲基对苯二甲酰胺/十甲基间苯二甲酰胺）（PA10T/10I）以及一系列含有氧化石墨烯（GO）的 PA10T/10I 复合材料，氧化石墨烯的浓度范围为 0.05 至 1 wt.%。研究调查了不同的 GO 含量对 PA10T/10I/GO 复合材料性能的影响。抗静电性能测试表明，即使少量的 GO 也能显著降低 PA10T/10I 的表面电阻，仅 1 wt.% 的 GO 就能明显改善 PA10T/10I 基体的抗静电性能。此外，差示扫描量热仪（DSC）分析表明，加入 GO 后，PA10T/10I 的结晶特性得到了改善，PA10T/10I/GO 复合材料的熔点变化极小。随着 GO 含量从 0.05 wt.% 到 1 wt.% 的变化，熔点温度保持在 289.6 ~ 281.9 ℃ 之间。热重分析（TGA）和热变形温度（HDT）结果表明，PA10T/10I/GO 复合材料具有极佳的热稳定性，其中 PA10T/10I/GO-5（含 1 wt.% GO）的 HDT 高达 105.9 ℃，比 PA10T/10I 基体的 HDT 高出约 10 ℃。机械测试表明，PA10T/10I/GO-5 的拉伸强度比 PA10T/10I 高出约 28.20%，而弯曲强度则提高了约 23.03%。该研究提出了一种通过原位聚合制造具有优异抗静电、结晶、耐热和机械性能的聚酰胺复合材料的有效方法，从而促进了基于 GO 的填料的实际应用。

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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.