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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

✍ Scribed by Mussie G. Alemseghed; Srinivas Gowrisanker; John Servello; Mihaela C. Stefan

Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
295 KB
Volume
210
Category
Article
ISSN
1022-1352

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✦ Synopsis

Abstract

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^.

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