Selective Polymerization Catalysis: Controlling the Metal Chain End Group to Prepare Block Copolyesters
2015
Zhu, Yunqing | Romain, Charles | Williams, Charlotte K.
Selective catalysis is used to prepare block copolyesters by combining ring-opening polymerization of lactones and ring-opening copolymerization of epoxides/anhydrides. By using a dizinc complex with mixtures of up to three different monomers and controlling the chemistry of the Zn–O(polymer chain) it is possible to select for a particular polymerization route and thereby control the composition of block copolyesters.
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