2-Oxepanone, polymer with 1,1'-methylenebis(4-isocyanatobenzene) and 2,2'-(1,4-phenylenebis(oxy))bis(ethanol), isocyanate-terminated 68609-95-0 Caprolactone, hydroquinone bis(2-hydroxyethyl) ether, methylenebis(4-phenylisocyanate) polymer, isocyanate terminated