Technical yarns are produced to meet the functional requirements of their intended end-use. With the advent of new technologies, the growing needs of technical yarns in the wake of health and hygiene of consumers are being fulfilled without compromising the issues related to safety, human health and environment. In this chapter, some novel technical yarns such as reflective yarns, UV protected yarns, metal yarns and antimicrobial yarns are described in detail. Moreover, some of the very newly derived technical yarns such as anti-static yarns, anti-stress yarns, anti-allergic yarns, auxetic yarns, shape memory yarns and soluble yarns are briefly introduced.
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