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Erschienen in: Polymer Bulletin 6/2016

20.11.2015 | Original Paper

One-step synthesis of triarm block copolymers by simultaneous atom transfer radical and ring-opening polymerization

verfasst von: Temel Öztürk, Mahmut Yavuz, Melahat Göktaş, Baki Hazer

Erschienen in: Polymer Bulletin | Ausgabe 6/2016

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Abstract

One-step synthesis of poly(MMA-b-CL) triarm block copolymers was carried out by atom transfer radical polymerization of methyl methacrylate (MMA) and ring-opening polymerization of ε-caprolactone (CL) using 3-chloro-1,2-propanediol trifunctional initiator. The triarm block copolymers comprising one poly-MMA arm and two poly-CL arms were synthesized by changing some polymerization conditions such as monomer/initiator concentration, polymerization time. The effect of the reactions conditions on the polydispersity and molecular weights was also investigated. The block lengths of the block copolymers were calculated by using 1H-nuclear magnetic resonance (1H-NMR) spectrum. It was observed that the block length could be altered by varying the monomer and initiator concentrations. The characterization of the products was achieved by using 1H-NMR, Fourier-transform infrared spectroscopy, gel-permeation chromatography, differential scanning calorimetry, thermogravimetric analysis and fractional precipitation techniques.

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Metadaten
Titel
One-step synthesis of triarm block copolymers by simultaneous atom transfer radical and ring-opening polymerization
verfasst von
Temel Öztürk
Mahmut Yavuz
Melahat Göktaş
Baki Hazer
Publikationsdatum
20.11.2015
Verlag
Springer Berlin Heidelberg
Erschienen in
Polymer Bulletin / Ausgabe 6/2016
Print ISSN: 0170-0839
Elektronische ISSN: 1436-2449
DOI
https://doi.org/10.1007/s00289-015-1558-2

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