SPANDEX YARN CAN BE FUN FOR ANYONE

Chemical path to polyurethane polymer used in manufacture of spandex. Spandex is especially composed of a polyurea derived through the response of the diol along with a diisocyanate. Two courses of spandex are outlined via the "macrodiols". One particular class of macrodiols is definitely the oligomer developed from tetrahydrofuran (i.You can knit