EFFECT OF TETRATHIAFULVALENE-TETRACYANOQUINODIMETHANE ADDITION ON THE MECHANICAL PROPERTIES OF POLYAMIDE 6 NANOFIBERS
Author(s)
KAZUTO TANAKA, NANAMI YAMAMURO, TSUTAO KATAYAMA
Abstract
Tetrathiafulvalene-tetracyanoquinodimethane (TTF-TCNQ) is an organic semiconductor with excellent mechanical flexibility and it is attracting attention as a material of bendable devices. Nanofibers containing TTF-TCNQ can be used as sensors and electrodes. In order to apply nanofiber nonwoven fabrics with TTF-TCNQ into practical use of a wide range of fields utilizing its mechanical flexibility, it is necessary to clarify the effect of the additive amount of TTF-TCNQ on the mechanical properties of nanofiber nonwoven fabrics. In this study, TTF-TCNQ/Polyamide 6 (PA6) nanofiber nonwoven fabric was fabricated by electrospinning method, and the effect of the additive amount of TTF-TCNQ on the mechanical properties of nanofiber nonwoven fabric was revealed by the tensile test. The tensile strength of PA6 nanofiber with 1 wt.% TTF-TCNQ was larger than that of nanofiber without TTF-TCNQ, and it fractured in a ductile manner. On the other hand, tensile strength of PA6 nanofiber with 10 wt.% TTF-TCNQ was smaller because of the aggregation of TTF-TCNQ.
Keywords
TTF-TCNQ/PA6 nanofiber nonwoven fabric, electrospinning, tensile strength, fracture behavior, volume resistivity
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