2-Oxepanone, polymer with alpha-hydro-omega-hydroxypoly(oxy(methyl-1,2-ethanediyl)) ether with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol (3:1)and 1,1-methylenebis(4-isocyanatocyclohexane)
2-Oxepanone, polymer with alpha-hydro-omega-hydroxypoly(oxy(methyl-1,2-ethanediyl)) ether with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol (3:1)and 1,1-methylenebis(4-isocyanatocyclohexane)