Ethylene Polymerization-Induced Self-Assembly (PISA) of Poly(ethylene oxide)-block-polyethylene Copolymers via RAFT

被引：31

作者：

Bergerbit, Cedric ^{[1
]}

Baffie, Florian ^{[1
]}

Wolpers, Arne ^{[1
]}

Dugas, Pierre-Yves ^{[1
]}

Boyron, Olivier ^{[1
]}

Taam, Manel ^{[1
]}

Lansalot, Muriel ^{[1
]}

Monteil, Vincent ^{[1
]}

D'Agosto, Franck ^{[1
]}

机构：

[1] Univ Claude Bernard Lyon 1, Univ Lyon, CPE Lyon, CNRS,UMR 5265,C2P2, 43 Bd 11 Novembre 1918, F-69616 Villeurbanne, France

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2020年 / 59卷 / 26期

关键词：

block copolymers; crystallization; ethylene; reversible addition-fragmentation chain transfer (RAFT); self-assembly; OLEFIN POLYMERIZATION; BLOCK-COPOLYMERS; CRYSTALLIZATION; NANOPARTICLES; CORES;

D O I：

10.1002/anie.202001741

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Poly(ethylene oxide) (PEO) with dithiocarbamate chain ends (PEO-SC(=S)-N(CH3)Ph and PEO-SC(=S)-NPh2, named PEO-1 and PEO-2, respectively) were used as macromolecular chain-transfer agents (macro-CTAs) to mediate the reversible addition-fragmentation chain transfer (RAFT) polymerization of ethylene in dimethyl carbonate (DMC) under relatively mild conditions (80 degrees C, 80 bar). While only a slow consumption of PEO-1 was observed, the rapid consumption of PEO-2 led to a clean chain extension and the formation of a polyethylene (PE) segment. Upon polymerization, the resulting block copolymers PEO-b-PE self-assembled into nanometric objects according to a polymerization-induced self-assembly (PISA).

引用

页码：10385 / 10390

页数：6

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Univ Lyon, Université Claude Bernard Lyon 1, CPE Lyon, CNRS, UMR 5265, Chemistry, Catalysis, Polymers and Processes , 43 Bd du 11 Novembre 1918, Villeurbanne
69616, France
Adv Mater, 2020, 26 (10471-10476):
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