2-Oxepanone, polymer with 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane, 4,4-methylenebis(cyclohexanamine) and 1,1-methylenebis(4-isocyanatocyclohexane)
2-Oxepanone, polymer with 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane, 4,4-methylenebis(cyclohexanamine) and 1,1-methylenebis(4-isocyanatocyclohexane)