☆ 4.6 Article

Cyclohexene oxide mid-chain functional macromonomer of poly(ε-caprolactone): Synthesis, characterization, and photoinitiated cationic homo- and copolymerization

JOURNAL OF APPLIED POLYMER SCIENCE (2012)

Journal

JOURNAL OF APPLIED POLYMER SCIENCE

Volume 123, Issue 5, Pages 2567-2573

Publisher

WILEY

DOI: 10.1002/app.33423

Keywords

ring-opening polymerization; functionalization of polymers; macromonomers; photopolymerization; graft copolymers

Categories

Polymer Science

Funding

Firat University Scientific Research Projects Unit (FUBAP)
Harran University, The Scientific Research Council (HUBAK)

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Abstract

In this study, a novel well-defined epoxy mid-chain functional macromonomer of poly(e-caprolactone) (PCL) has been synthesized by ring-opening polymerization (ROP) of e-caprolactone (e-CL) and epoxidation on workup with 3-chloroperoxybenzoic acid. The ROP of e-CL monomer in bulk at 110 degrees C, by means of a dihydroxy functional initiator namely, 3-cyclohexene-1,1-dimethanol in conjunction with stannous-2-ethylhexanoate, (Sn(Oct)2), yielded a well-defined PCL with a cyclohexene mid-chain group. The epoxidation of the cyclohexene (CH) mid-chain group of PCL was performed using 3-chloroperoxybenzoic acid. GPC, IR, and 1H-NMR analyses revealed that a low-polydispersity macromonomer of PCL with the desired cyclohexene oxide (CHO) functionality at the mid-chain was obtained. The photoinduced cationic polymerizations of this macromonomer yielded comb-shaped and graft copolymers. (c) 2011 Wiley Periodicals, Inc. J Appl Polym Sci, 2012

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