Codeposition of Gallic Acid and Polyethylene Imine on Carbon Fiber Surfaces to Enhance Interfacial Properties of Epoxy Composites

IF 1 4区化学 Q4 POLYMER SCIENCE

Polymer Science, Series B Pub Date : 2023-11-30 DOI:10.1134/S1560090423701270

Lin Liu, Xin Xu, Jing Wu, Lin Zhang, Jialiang Li, Xiaoyu Zeng

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Abstract

Inspired by mussel heuristic chemistry, a novel method for improving surface wettability and adhesion of carbon fibers with epoxy resins was proposed by codepositing gallic acid and polyethylene imine on the carbon fiber surfaces in a convenient operation. The results of scanning electron microscopy, infrared, Raman and X-ray photoelectron spectra revealed that gallic acid and polyethylene imine could undergo Michael addition or Schiff base reaction and codeposit on the carbon fiber surfaces successfully. The gallic acid-polyethylene imine codeposited carbon fibers were used to fabricate epoxy matrix composites. The results of mechanical tests showed that interlaminar shear strength, flexural modulus and strength of the gallic acid-polyethylene imine codeposited carbon fiber composite were increased by 27, 38, and 27% respectively, compared with those of the untreated carbon fiber composite. The conclusion can be drawn that the gallic acid-polyethylene imine codeposition is an effective method for improving interfacial properties of carbon fiber reinforced epoxy resin matrix composites.

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没食子酸和聚亚胺在碳纤维表面共沉积以增强环氧复合材料的界面性能

摘要以贻贝启发式化学为灵感，提出了一种提高碳纤维表面润湿性和环氧树脂粘附性的新方法，即在碳纤维表面共沉积没食子酸和聚亚胺。扫描电镜、红外光谱、拉曼光谱和x射线光电子能谱结果表明，没食子酸和聚亚胺能成功地在碳纤维表面发生Michael加成反应或席夫碱反应并共沉积。采用没食子酸-聚亚胺共沉积碳纤维制备环氧基复合材料。力学试验结果表明，没食子酸-聚亚胺共沉积碳纤维复合材料的层间剪切强度、弯曲模量和强度分别比未处理的碳纤维复合材料提高了27,38,27 %。结果表明，没食子酸-聚亚胺共沉积是改善碳纤维增强环氧树脂基复合材料界面性能的有效方法。

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来源期刊

Polymer Science, Series B 化学-高分子科学

CiteScore

1.80

自引率

8.30%

发文量

审稿时长

>0 weeks

期刊介绍： Polymer Science, Series B is a journal published in collaboration with the Russian Academy of Sciences. Series B experimental and theoretical papers and reviews dealing with the synthesis, kinetics, catalysis, and chemical transformations of macromolecules, supramolecular structures, and polymer matrix-based composites (6 issues a year). All journal series present original papers and reviews covering all fundamental aspects of macromolecular science. Contributions should be of marked novelty and interest for a broad readership. Articles may be written in English or Russian regardless of country and nationality of authors. All manuscripts are peer reviewed