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Optimized interfacial compatibility of carbon fiber and epoxy resin via controllable thickness and activated ingredients of polydopamine layer

  • Carbon Letters
  • Abbr : Carbon Lett.
  • 2024, 34(1), pp.351-359
  • DOI : 10.1007/s42823-023-00638-5
  • Publisher : Korean Carbon Society
  • Research Area : Natural Science > Natural Science General > Other Natural Sciences General
  • Received : March 4, 2023
  • Accepted : September 17, 2023
  • Published : February 1, 2024

Wu Dongliang 1 Xing Yuxuan 1 Zhang Denglu 2 Hao Zhenna 1 Dong Qi 1 Han Yongqin 1 Liu Lei 1 Wang Maoju 3 Zhang Ruliang 1

1Shandong University of Science and Technology
2Linyi Luyi Textile Co., Ltd., Linyi, People’s Republic of China
3Qingdao Huashijie Environment Technology Co., Ltd., Qingdao, People’s Republic of China

Accredited

ABSTRACT

In this work, the trend in the performance of carbon fiber (CF) and its composite during self-polymerization of polydopamine (PDA) at carbon fiber surface was investigated by varying the self-polymerization time of dopamine in an aqueous solution. Research has shown that the PDA coating elevated the surface roughness and polarity of the inert fiber. The tensile strength of single carbon fiber was significantly improved, especially after 9 h of polydopamine self-polymerization, increasing by 18.64% compared with that of desized carbon fiber. Moreover, the interlaminar shear strength (ILSS) of CF-PDA9-based composites was 35.06% higher than that of desized CF-based composites. This research will provide a deep insight into the thickness and activated ingredients of dopamine oxidation and self-polymerization on interfacial compatibility of carbon fiber/epoxy resin composites.

Citation status

Scopus Citation Counts (2) This is the result of checking the information with the same ISSN, publication year, volume, and start page between articles in KCI and the SCOPUS journals. (as of 2024-10-01)

* References for papers published after 2023 are currently being built.