酚酞型聚芳醚酮与硅烷偶联剂协同改性CF/PPS复合材料

doi:10.19936/j.cnki.2096-8000.20230928.003

复合材料科学与工程 ›› 2023, Vol. 0 ›› Issue (9): 21-28.DOI: 10.19936/j.cnki.2096-8000.20230928.003

酚酞型聚芳醚酮与硅烷偶联剂协同改性CF/PPS复合材料

赵乐¹, 陈正国², 杨青², 刁春霞², 陆承志¹, 王少飞¹, 刘勇^1,3, 张辉^1,3*

1.东华大学材料科学与工程学院纤维材料改性国家重点实验室,上海201620;
2.上海碳纤维复合材料创新研究院有限公司,上海201512;
3.东华大学上海市高性能纤维复合材料省部共建协同创新中心,上海201620

收稿日期:2022-08-08 出版日期:2023-09-28 发布日期:2023-10-20
通讯作者: ^*张辉(1984—),男,博士,副研究员,主要从事高性能纤维与复合材料方面的研究,zhanghui@dhu.edu.cn。
作者简介:赵乐(1996—),男,硕士研究生,主要从事碳纤维复合材料方面的研究。
基金资助:
上海市科学技术委员会(19DZ1100800);宁波市“科技创新2025”重大专项(2019B10106);松江区科学技术攻关项目(20SJKJGG10C)

Synergistic modification of CF/PPS composites by phenolphthalein-type polyaryletherketone and silane coupling agent

ZHAO Le¹, CHEN Zhengguo², YANG Qing², DIAO Chunxia², LU Chengzhi¹, WANG Shaofei¹, LIU Yong^1,3, ZHANG Hui^1,3*

1. State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, School of Materials Science and Engineering, Donghua University, Shanghai 201620, China;
2. Shanghai Carbon Fiber Composite Innovation Research Institute Co., Ltd., Shanghai 201512, China;
3. Shanghai High Performance Fibers and Composites Center(Province-Ministry Joint), Donghua University, Shanghai 201620, China

Received:2022-08-08 Online:2023-09-28 Published:2023-10-20

摘要/Abstract

摘要： 本文使用不同浓度的KH570溶液和0.5wt%的PEK-C溶液依次对碳纤维进行改性处理,并通过模压成型制备了CF/PPS复合材料,使用X射线光电子能谱仪(XPS)、扫描电子显微镜(SEM)、X射线衍射仪(XRD)、万能材料试验机等手段表征改性后的CF/PPS复合材料。结果表明,使用2wt%的KH570溶液和0.5wt%的PEK-C溶液依次处理碳纤维后,复合材料的界面性能和弯曲性能大幅提升,相较于未经改性处理的CF/PPS复合材料,其弯曲强度由709 MPa提高至953 MPa,提升约34.4%,ILSS则由23.8 MPa提高至53.3 MPa,提升约123.9%。

关键词: PEK-C, KH570, 界面性能, CF/PPS复合材料

Abstract: In this paper, different concentrations of KH570 solution and 0.5wt% PEK-C solution were used to modify CF in turn, and CF/PPS composites were prepared by compression molding. The CF/PPS composites were characterized by means of X-ray photoelectron spectroscopy (XPS), scanning electron microscope (SEM), X-ray diffractometer (XRD), and universal material testing machine. The results show that after sequentially treating CF with 2wt% KH570 solution and 0.5wt% PEK-C solution, the interfacial properties and bending properties of the composites are significantly improved. Compared with the unmodified CF/PPS composites, its bending strength increased from 709 MPa to 953 MPa, an increase of about 34.4%, and the ILSS increased from 23.8 MPa to 53.3 MPa, an increase of about 123.9%.

Key words: PEK-C, KH570, interface performance, CF/PPS composite

中图分类号:

TB332

赵乐, 陈正国, 杨青, 刁春霞, 陆承志, 王少飞, 刘勇, 张辉. 酚酞型聚芳醚酮与硅烷偶联剂协同改性CF/PPS复合材料[J]. 复合材料科学与工程, 2023, 0(9): 21-28.

ZHAO Le, CHEN Zhengguo, YANG Qing, DIAO Chunxia, LU Chengzhi, WANG Shaofei, LIU Yong, ZHANG Hui. Synergistic modification of CF/PPS composites by phenolphthalein-type polyaryletherketone and silane coupling agent[J]. COMPOSITES SCIENCE AND ENGINEERING, 2023, 0(9): 21-28.

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酚酞型聚芳醚酮与硅烷偶联剂协同改性CF/PPS复合材料

Synergistic modification of CF/PPS composites by phenolphthalein-type polyaryletherketone and silane coupling agent

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