Synthesis of Well-Defined Rod-Coil Block Copolymers Containing Trifluoromethylated Poly(phenylene oxide)s by Chain-Growth Condensation Polymerization and Atom Transfer Radical Polymerization

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Well-defined trifluoromethylated poly(phenylene oxide)s were synthesized via nucleophilic aromatic substitution (S(N)Ar) reaction by a chain-growth polymerization manner. Polymerization of potassium 4-fluoro-3-(trifluoromethyl)phenolate in the presence of an appropriate initiator yielded polymers with molecular weights of similar to 4000 and polydispersity indices of <1.2, which were characterized by (1)H nuclear magnetic resonance spectroscopy and gel permeation chromatography. Initiating sites for atom transfer radical polymerization (ATRP) were introduced at the either side of chain ends of the poly(phenylene oxide), and used for ATRP of styrene and methyl methacrylate, yielding well-defined rod-coil block copolymers. Differential scanning calorimetry study indicated that the well-defined trifluoromethylated poly(phenylene oxide)s showed high crystallinity and were immiscible with polystyrene. (C) 2010 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 48: 1049-1057, 2010
Publisher
JOHN WILEY SONS INC
Issue Date
2010-03
Language
English
Article Type
Article
Citation

JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY, v.48, no.5, pp.1049 - 1057

ISSN
0887-624X
DOI
10.1002/pola.23859
URI
http://hdl.handle.net/10203/98286
Appears in Collection
NT-Journal Papers(저널논문)CH-Journal Papers(저널논문)
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