Page 63 - Carbon Nanotube Fibres and Yarns

54 Carbon Nanotube Fibers and Yarns

Reference [11, 30, 45, 52, 63, 66] [9] [37] [57] [58] [19, 67] [68–70] [71]

Direct-spinning Direct-spinning Bath-spinning Bath-spinning Rotating-anchor Rotating-anchor Rotating-anchor Rotating-anchor

Method

Apparent density [g/cc] 1.0 1.0 – 1.3–1.8 0.38–0.64 – – –

Gauge [mm] 20 – 10 20 50 3.2 4.8 –
Typical properties of CNT fibers produced by the floating catalyst method.

Diameter [μm] 7 2–20 10–150 – 50–190 57.3 50 –

Electrical [10 6 S/m] 0.7–0.8 – 0.5 2.24 0.3 0.36 – 0.19–0.22

Tensile strength [GPa] – – 0.4–1.25 3.3–4.2 0.25–0.28 – 0.8–1.3 –

Specific strength [N/tex] 0.8–2 1.2–2.2 0.2–0.75 – 0.44–0.65 a 0.9 0.84 0.45–0.5 a Estimated using original paper’s data.

Table 3.1 Linear density [tex] 0.02–0.1 0.05–0.5 0.11–0.92 – 0.83–2.09 1.4–3.8 1–2.5 1.3–10