The use of the DPE radical polymerization method for the synthesis of chromophore-labelled polymers and block copolymers |
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Authors: | Tomaz Kos Yusuf Yagci Turgut Nugay |
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Affiliation: | a Lehrstuhl für Makromolekulare Stoffe, Technische Universität München, Lichtenbergstr. 4, D-85747 Garching, Germany b Istanbul Technical University, Department of Chemistry, Maslak 34469, Turkey c Bogazici University, Department of Chemistry, Bebek, Istanbul, Turkey |
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Abstract: | Two analogues of diphenylethene carrying phenanthrene (1-(9-phenanthryl)-1-phenylethene (PPE)) and anthracene (1-(2-anthryl)-1-phenylethene (APE)) units were used in radical polymerization of styrene (St) and methyl methacrylate (MMA) at 80 °C using AIBN as initiator. Because of the nature of the polymerization, the resulting polymers possess the corresponding chromophoric groups. Using the methodology of a DPE system, these labelled polymers were further used for the synthesis of block copolymers. In this way poly(methyl methacrylate)-b-poly(styrene) and poly(methyl methacrylate)-b-poly(acrylonitrile) with molar masses of 60,000-90,000 g/mol were synthesized. Incorporation of the chromophoric groups into both homo- and block copolymers was confirmed by spectral measurements. |
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Keywords: | DPE system Radical polymerization Block copolymers Labelling Chromophoric group Anthracene Phenanthrene |
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