抗氧化剂增强聚醚醚酮-碳纤维复合材料的界面附着力和力学性能

IF 4.1 2区化学 Q2 POLYMER SCIENCE

Polymer Pub Date : 2025-04-15 DOI:10.1016/j.polymer.2025.128415

Hideyuki Uematsu , Toumu Aratama , Ken Sudo , Yukino Ito , Ayaka Yamaguchi , Akinori Fukushima , Shinji Sugihara , Fumihiro Nishimura , Masachika Yamane , Shuichi Tanoue

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引用次数: 0

摘要

研究了抗氧化剂对聚醚醚酮（PEEK）与碳纤维（CF）界面粘附性能及聚醚醚酮/碳纤维力学性能的影响。在PEEK中加入磷和酚类抗氧化剂，可使PEEK/CF的界面抗剪强度提高30 ~ 50%。抗氧剂的加入使其弹性模量提高了40%，但发生了粘结破坏。电子自旋共振光谱和熔融态流变特性分析认为，抗氧化剂通过增加苯氧自由基和苯基自由基的生成来增强界面相互作用。微观拉曼光谱分析表明，界面相互作用的改善抑制了PEEK晶体在界面处的形成，导致了内聚失败。抗氧化剂的加入不仅提高了PEEK/CF的界面附着力，而且抑制了PEEK/CF的界面断裂。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Antioxidant-enhanced interfacial adhesion and mechanical properties of polyetheretherketone–carbon fiber composites

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Antioxidant-enhanced interfacial adhesion and mechanical properties of polyetheretherketone–carbon fiber composites

The effects of antioxidants on the interfacial adhesion between polyetheretherketone (PEEK) and carbon fiber (CF) and the mechanical properties of PEEK/CF were investigated. The interfacial shear strength of PEEK/CF was improved 30–50 % by adding phosphorus and phenolic antioxidants to PEEK. Its elastic modulus was increased by 40 %, and cohesive failure occurred with the addition of the antioxidants. Electron spin resonance spectroscopy and rheological property analysis of the molten state assumed that the antioxidants helped enhance the interfacial interaction owing to an increase in phenoxy radicals and the generation of phenyl radicals. Micro-Raman spectroscopy indicated that the improved interfacial interactions suppressed the formation of PEEK crystals at the interphase, resulting in cohesive failure. The addition of antioxidants not only improved the interfacial adhesion of PEEK/CF but also suppressed the interfacial fracture of PEEK/CF.

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来源期刊

Polymer 化学-高分子科学

CiteScore

7.90

自引率

8.70%

发文量

959

审稿时长

32 days

期刊介绍： Polymer is an interdisciplinary journal dedicated to publishing innovative and significant advances in Polymer Physics, Chemistry and Technology. We welcome submissions on polymer hybrids, nanocomposites, characterisation and self-assembly. Polymer also publishes work on the technological application of polymers in energy and optoelectronics. The main scope is covered but not limited to the following core areas: Polymer Materials Nanocomposites and hybrid nanomaterials Polymer blends, films, fibres, networks and porous materials Physical Characterization Characterisation, modelling and simulation* of molecular and materials properties in bulk, solution, and thin films Polymer Engineering Advanced multiscale processing methods Polymer Synthesis, Modification and Self-assembly Including designer polymer architectures, mechanisms and kinetics, and supramolecular polymerization Technological Applications Polymers for energy generation and storage Polymer membranes for separation technology Polymers for opto- and microelectronics.