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Synthesis of Di‐block Copolymers Containing Regioregular Poly(3‐hexylthiophene) and Poly(tetrahydrofuran) by a Combination of Grignard Metathesis and Cationic Polymerizations
Author(s) -
Alemseghed Mussie G.,
Gowrisanker Srinivas,
Servello John,
Stefan Mihaela C.
Publication year - 2009
Publication title -
macromolecular chemistry and physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.57
H-Index - 112
eISSN - 1521-3935
pISSN - 1022-1352
DOI - 10.1002/macp.200900262
Subject(s) - tetrahydrofuran , cationic polymerization , polymer chemistry , copolymer , ring opening polymerization , polymerization , materials science , anionic addition polymerization , metathesis , chemistry , polymer , organic chemistry , composite material , solvent
Poly(3‐hexylthiophene)‐ block ‐poly(tetrahydrofuran) was synthesized by cationic ring‐opening polymerization of tetrahydrofuran (THF) using a poly(3‐hexylthiophene) macroinitiator. Poly(3‐hexylthiophene) macroinitiator used for the ring‐opening polymerization of THF was synthesized by reacting the hydroxypropyl end‐group with trifluoromethanesulfonic anhydride in the presence of 2,6‐di‐ tert ‐butylpyridine. 1 H NMR spectroscopy and SEC data confirmed the formation of the di‐block copolymers. Field‐effect mobility of poly(3‐hexylthiophene)‐ block ‐poly(tetrahydrofuran) was measured in a thin‐film transistor configuration and was found to be 0.009 cm 2 · V −1 · s −1 .