FASCINATION ABOUT SPANDEX YARN LA GI

Chemical path to polyurethane polymer used in manufacture of spandex. Spandex is especially made up of a polyurea derived in the reaction of the diol in addition to a diisocyanate. Two classes of spandex are outlined because of the "macrodiols". One class of macrodiols would be the oligomer manufactured from tetrahydrofuran (i.Subsequently, DuPont