Controlled polymerization of α-methyl-β-pentyl-β- propiolactone by a discrete zinc alkoxide complex

Kathleen M. Schreck, Marc A. Hillmyer

Research output: Contribution to journalArticlepeer-review

18 Scopus citations


We report the zinc(II) alkoxide-mediated ring opening polymerization of α-methyl-β-pentyl-β-propiolactone. The polymerization proceeds to high conversion and in the absence of significant transesterification to yield polymers with narrow molecular weight distributions. Poly(α-methyl- β-pentyl-β-propiolactone), PMPP, is an amorphous, low glass transition material that forms immiscible blends with polylactide (PLA). PMPP-b-PLA diblock copolymers, for use as potential blend compatibilizers, were synthesized in a controlled manner by sequential monomer addition. Graphical Abstract

Original languageEnglish (US)
Pages (from-to)7177-7185
Number of pages9
Issue number34
StatePublished - Aug 16 2004

Bibliographical note

Funding Information:
This work was supported by the David and Lucile Packard Foundation and the Toyota Motor Corporation. The authors thank Professor William Tolman for generous access to his laboratories, Dr. Letitia Yao for assistance and helpful conversation regarding NMR experiments, Dr. Dana Reed for assistance with MALDI measurements, and Laurie Breyfogle for supplying ligand for LZnOEt synthesis.


  • Poly(2-methyl-3-hydroxyoctanoate)
  • Polylactide block copolymers
  • Ring opening polymerization
  • Substituted β-lactones
  • Synthetic polyhydroxyalkanoates


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