Synthesis of ABC and CABAC Triphilic Block Copolymers by ATRP Combined with 'Click' Chemistry

ATRP using poly(propylene oxide) monofunctional macroinitiator was carried out with solketal methacrylate (SMA) and the non‐reactive PPO having two N3 terminal groups was removed by dissolution in an excess of n‐hexane. The resulting azido terminated AB diblock copolymer was ‘clicked’ with an α‐alky...

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Veröffentlicht in:	Macromolecular rapid communications. 2008-07, Vol.29 (12-13), p.1140-1146
Hauptverfasser:	Kyeremateng, Samuel Oppong, Amado, Elkin, Blume, Alfred, Kressler, Jörg
Format:	Artikel
Sprache:	eng
Schlagworte:	atom transfer radical polymerization (ATRP) click chemistry fluoropolymers monolayers water-soluble polymers
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container_title	Macromolecular rapid communications.
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creator	Kyeremateng, Samuel Oppong Amado, Elkin Blume, Alfred Kressler, Jörg
description	ATRP using poly(propylene oxide) monofunctional macroinitiator was carried out with solketal methacrylate (SMA) and the non‐reactive PPO having two N3 terminal groups was removed by dissolution in an excess of n‐hexane. The resulting azido terminated AB diblock copolymer was ‘clicked’ with an α‐alkyne fluorinated compound, followed by acid hydrolysis of the SMA units, a triphilic ABC triblock copolymer was prepared. ATRP of SMA with a difunctional PPO macroinitiator to give ABA triblock copolymer was also carried out. The terminal Br was again exchanged with N3, ‘clicked’ with the α‐alkyne fluorinated compound and likewise hydrolyzed to give a triphilic CABAC pentablock copolymer, i.e., hydrophilic, oleophilic, and fluorophilic blocks were combined.
doi_str_mv	10.1002/marc.200800058
format	Article
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The resulting azido terminated AB diblock copolymer was ‘clicked’ with an α‐alkyne fluorinated compound, followed by acid hydrolysis of the SMA units, a triphilic ABC triblock copolymer was prepared. ATRP of SMA with a difunctional PPO macroinitiator to give ABA triblock copolymer was also carried out. 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subjects	atom transfer radical polymerization (ATRP) click chemistry fluoropolymers monolayers water-soluble polymers
title	Synthesis of ABC and CABAC Triphilic Block Copolymers by ATRP Combined with 'Click' Chemistry
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