Chemical path to polyurethane polymer Employed in creation of spandex. Spandex is especially composed of a polyurea derived in the reaction of the diol plus a diisocyanate. Two courses of spandex are outlined by the "macrodiols". One course of macrodiols would be the oligomer created from tetrahydrofuran (i. Pinpointing tourism https://henryy841egf8.wikipublicist.com/user