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

被引：18
|
作者：
Huang, Chih-Feng [1 ]
Aimi, Junko [2 ]
Lai, Kuan-Yu [1 ]
机构：
[1] Natl Chung Hsing Univ, Dept Chem Engn, 250 Kuo Kuang Rd, Taichung 40227, Taiwan
[2] Natl Inst Mat Sci, Funct Mat Res Ctr, Mol Design & Funct Grp, 1-2-1 Sengen, Tsukuba, Ibaraki 3050047, Japan
来源：
MACROMOLECULAR RAPID COMMUNICATIONS | 2017年 / 38卷 / 03期
关键词：
chain-growth condensation polymerization; miktoarm star copolymer; poly(epsilon-caprolactone); poly(N-octyl benzamide); styrenices-assisted atom transfer radical coupling; LIVING ANIONIC-POLYMERIZATION; BLOCK-COPOLYMERS; CLICK CHEMISTRY; CATIONIC-POLYMERIZATION; EQUILIBRIUM-CONSTANTS; REACTION STRATEGY; POLYMERS; COMBINATION; POLYSTYRENE; MORPHOLOGY;
D O I：
10.1002/marc.201600607
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
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 (mu-star) copolymers. The authors employ a new strategy for the synthesis of unprecedented mu-star copolymers presenting poly(N-octyl benzamide) (PBA) and poly(epsilon-caprolactone) (PCL) arms: a combination of chain-growth condensation polymerization, styrenics-assisted atom transfer radical coupling, and ringopening polymerization. Gel permeation chromatography, mass-analyzed laser desorption/ionization mass spectrometry, and H-1 NMR spectroscopy reveal the successful synthesis of a well-defined (PBA(11))(2)-(PCL15)(4) mu-star copolymer (M-n,M- NMR approximate to 12 620; D = 1.22). Preliminary examination of the PBA(2)PCL(4) mu-star copolymer reveals assembled nanofibers having a uniform diameter of approximate to 20 nm.
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页数：7
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