Issue 37, 2022

Simultaneous reinforcement of the electrical and mechanical properties of carbon nanotube fibers by using a natural cross-linkable thermosetting polymer

Abstract

A simple and efficient reinforcement strategy for the mechanical and electrical properties of carbon nanotube (CNT) fibers is developed by using natural urushiol as an eco-friendly cross-linking agent. This strategy is a sequential process including infiltration and cross-linking of urushiol onto CNT fibers. Based on this process, the tensile strength (430 ± 20 MPa), modulus (8.6 ± 1.0 GPa), toughness (12.7 ± 1.3 MJ m−3), and electrical conductivity (1616 ± 115 S cm−1) of CNT fibers increase to 1.32 ± 0.01 GPa, 37.0 ± 2.1 GPa, 31.1 ± 2.6 MJ m−3, and 4053 ± 200 S cm−1 with the photochemical cross-linking process and to 0.92 ± 0.09 GPa, 21.3 ± 3.9 GPa, 20.5 ± 2.3 MJ m−3, and 7430 ± 447 S cm−1 with the thermal cross-linking process, respectively.

Graphical abstract: Simultaneous reinforcement of the electrical and mechanical properties of carbon nanotube fibers by using a natural cross-linkable thermosetting polymer

Supplementary files

Article information

Article type
Paper
Submitted
21 3 2022
Accepted
22 7 2022
First published
23 7 2022

J. Mater. Chem. C, 2022,10, 13974-13980

Simultaneous reinforcement of the electrical and mechanical properties of carbon nanotube fibers by using a natural cross-linkable thermosetting polymer

H. J. Cho, C. Yoon, J. Park, H. Kang, I. In, S. M. Kim and Y. Kim, J. Mater. Chem. C, 2022, 10, 13974 DOI: 10.1039/D2TC01139E

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