| abstract |
A polylactide-urethane copolymer obtainable by a process, which comprises the step of contacting:n an α, ω dihydroxyl polylactide prepolymer of general formula I nn n n n n n n n n n n n wherein:n X is NH or O, R is an alkyl or an aryl group, n and n′ are integer numbers which are substantially the same and which are comprised in the range from 20 to 140, n n a diisocyanate compound of general formula II n n n n n O═C═N—R′—N═C═O wherein: R′ is an alkyl or an aryl group and an amine or an alcohol of general formula III n R″[X′] 2 wherein: R″ is an alkyl or an aryl group and X′ is NH 2 or OHn nwith the proviso that at least one of R or R″ is an aryl group |