[24p-E102-1~18] 17.1 Carbon nanotubes & other nanocarbon materials

[24p-E102-7] Mechanical Properties of Wet-Stretched Carbon Nanotube Fibers

〇Toshihiko Fujimori^1,2, Hirotaka Inoue¹, Momoko Sakai², Yoshiya Kishibe², Daiji Yamashita¹, Takamasa Onoki¹, Daisuke Tanioka¹, Takeshi Hikata¹, Soichiro Okubo¹, Keishi Akada², Jun-ichi Fujita² (1.SEI, 2.Univ. of Tsukuba)

Keywords:carbon nanotube, mechanical properties

We report a wet-stretching process using chlorosulfuric acid (CSA) for the fabrication of high-performance carbon nanotube (CNT) fibers. The wet-stretched CNT fiber shows a lower void density and higher orientation parameter than as-made fibers, resulting in improvement of the breaking stress.