Chemical path to polyurethane polymer Employed in production of spandex. Spandex is especially composed of a polyurea derived from your response of a diol along with a diisocyanate. Two classes of spandex are described with the "macrodiols". Just one course of macrodiols will be the oligomer manufactured from tetrahydrofuran (i. https://nicholasp418wxy6.blue-blogs.com/profile