Influence of modified halloysite nanotube on the properties of poly(ether ether ketone)

IF 2.7 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY Journal of Materials Research Pub Date : 2024-05-02 DOI:10.1557/s43578-024-01351-3

Naved Siraj, S. A. R. Hashmi, Sarika Verma

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Abstract

This study focuses on the modification of halloysite nanotubes (diameter 30–70 nm and length 1–3 µ) using concentrated sulphuric acid to create modified HNTs (mHNTs) and investigates their impact on the properties of PEEK material. Co-rotating twin screw extrusion is employed to incorporate various loadings of mHNTs into the PEEK matrix. The experimental results demonstrate a significant increase in hardness, impact strength, elongation at break, tensile and flexural strengths, and tensile modulus with increasing mHNT concentration. The mHNTs function as bridging tools and reinforcing agents within the polar-nonpolar hybrid system, facilitating compatibility between the blend partners. The composites exhibit improved dynamic thermal and mechanical properties compared to the pure PEEK. The composite materials are further characterized using techniques such as TGA, FESEM, DSC, DMA and FTIR. The enhanced effects observed in the developed composites are attributed to improved interfacial adhesion and favorable interactions between the PEEK matrix and the mHNTs.

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改性哈洛石纳米管对聚（醚醚酮）性能的影响

本研究的重点是使用浓硫酸对哈洛来石纳米管（直径 30-70 nm，长度 1-3 µ）进行改性，从而产生改性 HNTs（mHNTs），并研究其对 PEEK 材料性能的影响。采用同向旋转双螺杆挤压法将不同负载量的 mHNTs 加入 PEEK 基体中。实验结果表明，随着 mHNT 浓度的增加，硬度、冲击强度、断裂伸长率、拉伸和弯曲强度以及拉伸模量都有显著提高。mHNT 在极性-非极性混合体系中起到桥接工具和增强剂的作用，促进了混合伙伴之间的兼容性。与纯 PEEK 相比，复合材料具有更好的动态热性能和机械性能。使用 TGA、FESEM、DSC、DMA 和 FTIR 等技术对复合材料进行了进一步表征。在所开发的复合材料中观察到的增强效果归因于 PEEK 基体与 mHNTs 之间界面粘附性的改善和有利的相互作用。

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来源期刊

Journal of Materials Research 工程技术-材料科学：综合

CiteScore

4.50

自引率

3.70%

发文量

362

审稿时长

2.8 months

期刊介绍： Journal of Materials Research (JMR) publishes the latest advances about the creation of new materials and materials with novel functionalities, fundamental understanding of processes that control the response of materials, and development of materials with significant performance improvements relative to state of the art materials. JMR welcomes papers that highlight novel processing techniques, the application and development of new analytical tools, and interpretation of fundamental materials science to achieve enhanced materials properties and uses. Materials research papers in the following topical areas are welcome. • Novel materials discovery • Electronic, photonic and magnetic materials • Energy Conversion and storage materials • New thermal and structural materials • Soft materials • Biomaterials and related topics • Nanoscale science and technology • Advances in materials characterization methods and techniques • Computational materials science, modeling and theory