1,2-Cyclohexanedicarboxylic acid anhydride-di-2-propanolamine copolymer 1,2-Cyclohexanedicarboxylic anhydride-diisopropanolamine copolymer 1,3-Isobenzofurandione, hexahydro-, polymer with 1,1′-iminobis[2-propanol] 2-Propanol, 1,1′-iminobis-, polymer with hexahydro-1,3-isobenzofurandione Diisopropanolamine-hexahydrophthalic anhydride copolymer Hybrane 1500 Hybrane H 1500