2006•MacromoleculesRequires access

Ring-Opening Homo- and Copolymerization of α-Methylene-ε-caprolactone

Sebastian Sinnwell, Helmut Ritter

Abstract

The ring-opening polymerization of α-methylene-ε-caprolactone (α-MCL) is presented for the first time. Poly(α-MCL) was characterized by 1 H NMR, GPC, DSC, and MALDI-TOF. The ring-opening copolymerization of α-MCL with ε-caprolactone (ε-CL) yields to formation of radically cross-linkable poly(ε-CL)s with melting points in the range of 35−54 °C depending on the copolymer composition.

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Key concepts: Copolymer, Caprolactone, Ring-opening polymerization, Methylene, Polymer chemistry, Polymerization, Ring (chemistry), Chemistry