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A novel multi-block copolyester, poly(butylene succinate)-multi-poly(butylene terephthalate) (m-PBST), was synthesized by the melt/solid interfacial co-polycondensation of a melt-blend of poly(butylene succinate) (PBS) and poly(butylene terephthalate) (PBT) that had been pre-formed. In this co-polycondensation, the reaction temperature was kept between the melting temperatures (Tm) of PBS and PBT...
ABA triblock copolymers of polylactides (PLA: A) and aliphatic polycarbonates (APC: B) were prepared by ring‐opening polymerization of d‐ and l‐lactides with poly(hexamethylene carbonate) diol and poly(hexamethylene/pentamethylene carbonate) diol (PHPC) as macro‐initiators. The enantiomeric copolymers with similar block sequences (PLLA‐APC‐PLLA and PDLA‐APC‐PDLA) were mixed in a 1:1 weight ratio to...
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