1,3-Propanediol, 2-ethyl-2-((2-propenyloxy)methyl)-, polymer with 1,3-diisocyanatomethylbenzene and alpha-hydro-omega-hydroxypoly(oxy-1,4-butanediyl) 64415-23-2 Polytetramethylene glycol 2-((allyloxy)methyl)-2-ethyl-1,3-propanediol, toluene diisocyanate polymer