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Carbon Nanotube Threads

Since its discovery, carbon nanotube (CNT) has attracted many interests in different technology fields due to its extraordinary properties. Properties such as, high strength, great electrical and thermal conductivity, light weight and flexibility made CNT one of the best materials for wide range of applications. However, from its name it can be understood that CNT is a nanoscale material which is very small to be applied for the production of daily products. Researchers all around the world are working on finding methods and techniques which could produce new materials with the extraordinary properties of CNT.
One of these research is focusing on the production of high strength threads that can be used in the manufacturing of fabrics, cables and ropes. An international group of scientists were able to produce a flexible conductive thread that is a quarter of the thickness of human hair. The produced threads are ten times the tensile strength of steel yet are highly flexible with high electrical and thermal conductivity. The technique followed in the study was based on the spinning out of the CNT fibers from chlorosulfonic acid solution.
More details of the process can be found in the paper published at Science 11 Jan 2013: Vol. 339, Issue 6116, pp. 182-186.
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