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- Title
Synthesis of Novel μ-Star Copolymers with Poly( N-Octyl Benzamide) and Poly(ε-Caprolactone) Miktoarms through Chain-Growth Condensation Polymerization, Styrenics-Assisted Atom Transfer Radical Coupling, and Ring-Opening Polymerization.
- Authors
Huang, Chih‐Feng; Aimi, Junko; Lai, Kuan‐Yu
- Abstract
Star copolymers are known to phase separate on the nanoscale, providing useful self-assembled morphologies. In this study, the authors investigate synthesis and assembly behavior of miktoarm star (μ-star) copolymers. The authors employ a new strategy for the synthesis of unprecedented μ-star copolymers presenting poly( N-octyl benzamide) (PBA) and poly(ε-caprolactone) (PCL) arms: a combination of chain-growth condensation polymerization, styrenics-assisted atom transfer radical coupling, and ring-opening polymerization. Gel permeation chromatography, mass-analyzed laser desorption/ionization mass spectrometry, and 1H NMR spectroscopy reveal the successful synthesis of a well-defined (PBA11)2-(PCL15)4 μ-star copolymer ( Mn,NMR ≈ 12 620; Đ = 1.22). Preliminary examination of the PBA2PCL4 μ-star copolymer reveals assembled nanofibers having a uniform diameter of ≈20 nm.
- Subjects
CHEMICAL synthesis; COPOLYMERS; NANOCHEMISTRY; CAPROLACTONES; BENZAMIDE
- Publication
Macromolecular Rapid Communications, 2017, Vol 38, Issue 3, pn/a
- ISSN
1022-1336
- Publication type
Article
- DOI
10.1002/marc.201600607