Page 185 - Carbon Nanotube Fibres and Yarns

Carbon nanotube yarn structures and properties 175

Utilization (%) Modulus 15.8% 4.7% 15.6% 10.2% 3.6% 43.3% 52.1% 36.5% 57.6% 73.6% 50.3%

Tenacity 3.8% 3.2% 4.3% 2.6% 2.7% 9.5% 12.2% 9.5% 9.9% 7.6% 6.3%

Fiber (N/tex) Modulus 14.4 6.0 14.4 7.7 9.0 108.2 130 49.3 77.8 99.3 222

Tenacity Modulus 0.45 0.90 0.90 0.45 0.90 3.2 4.1 2.0 2.1 1.6 2.8

Theoretical and achieved fiber strength. Theoretical (N/tex) [107] Tenacity 91 12.0 127 28.4 92 20.9 75 17.6 250 33.5 250 33.5 250 33.5 135 21.2 135 21.2 135 21.2 441 44.1

Table 7.4 Fiber Commodity textile filaments Cellulose (cotton) Polyamide Polyester Polyacrylonitrile Polypropylene High-performance filaments [108] Spectra 1000 Dyneema purity Kevlar 29 Kevlar 49 Kevlar 149 Carbon fiber