Chemical path to polyurethane polymer Utilized in creation of spandex. Spandex is principally composed of a polyurea derived through the reaction of the diol along with a diisocyanate. Two lessons of spandex are defined via the "macrodiols". Just one class of macrodiols is definitely the oligomer developed from tetrahydrofuran (i. https://murrayi295rss3.thecomputerwiki.com/user