Block copolymer synthesis in one shot: concurrent metal-free ATRP and ROP processes under sunlight

A completely metal-free strategy was developed by combining Atom Transfer Radical Polymerization (ATRP) and Ring Opening Polymerization (ROP) for the syntheses of block copolymers. These two different metal-free controlled/living polymerizations, which have no effect on each other, were concurrently...

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Bibliographic Details
Published in:Polymer chemistry 2017-05, Vol.8 (19), p.2899-2903
Main Authors: Aydogan, Cansu, Kutahya, Ceren, Allushi, Andrit, Yilmaz, Gorkem, Yagci, Yusuf
Format: Article
Language:English
Subjects:
Block copolymers
Lactones
Molecular weight distribution
Monomers
Polymerization
Spectra
Strategy
Sunlight
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Summary:A completely metal-free strategy was developed by combining Atom Transfer Radical Polymerization (ATRP) and Ring Opening Polymerization (ROP) for the syntheses of block copolymers. These two different metal-free controlled/living polymerizations, which have no effect on each other, were concurrently realized in one reaction medium. Using a specifically designed bi-functional initiator, possessing primary hydroxyl and tertiary bromide functionalities, vinyl and lactone monomers were simultaneously polymerized under sunlight, by metal-free strategies. Spectral and chromatographic results reveal that the synthetic approach applied produces block copolymers in a controlled manner, free from homopolymers, and with narrow molecular weight distributions.
ISSN:1759-9954
1759-9962
DOI:10.1039/C7PY00069C