Synthesis of polyurethane polymer for elasthane yarn production and yarning

In this study, flexible yarn production, which is indispensable for comfort in clothing, was investigated. Unfortunately, the production of flexible yarns has not been realized locally until today. It is tried to meet the need in the form of imports or the production of foreign companies in our country. This situation, which reduces the added value in our country, which is extremely active in the field of textile, has drawn our attention. In this sense, a study has been carried out on the feasibility of polyurethane-based flexible yarns in a prototype sense. The polymerization of different combinations between isocyanates, polyols and chain extenders was used to obtain the polyurethane polymer. Comparisons of the produced polyurethane material with the elastane raw material used in the market were made. By gaining a certain viskozity with the prepolymer solvents obtained, yarn form will be given with the help of nozzles. Keywords: Polyurethane, elastomer yarn, flexible yarn, elastik yarn