DETAILED NOTES ON WHAT IS SPANDEX YARN

Chemical path to polyurethane polymer used in creation of spandex. Spandex is principally composed of a polyurea derived from the response of a diol along with a diisocyanate. Two lessons of spandex are outlined through the "macrodiols". 1 course of macrodiols may be the oligomer created from tetrahydrofuran (i.Subsequently, DuPont Fibers created t