Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/14767
Title: Synthesis and characterisation of electrical conducting polymers/co-polymers based on omega functionalised 3-alkylthiophenes
Authors: MA YIFEI
Keywords: polythiophene, polystyrene, PMMA, copolymers, 3-{omega-[1-(p-vinylphenyl)]alkyl}, 11-thiophen-3-yl-undec-1-en-3-one
Issue Date: 19-May-2005
Source: MA YIFEI (2005-05-19). Synthesis and characterisation of electrical conducting polymers/co-polymers based on omega functionalised 3-alkylthiophenes. ScholarBank@NUS Repository.
Abstract: The aim of this project is to study polythiophene-polystyrene and polythiophene- PMMA graft copolymers. The project started with the synthesis of the key monomers 3-(omega-bormoalkyl)thiophenes. A series of novel polymers, poly-[3-(omega-bormoalkyl)]thiophenes, based on this monomer was synthesised and characterised. A novel monomer,3-{omega-[1-(p-vinylphenyl)]alkyl}thiophene, was synthesised and characterised. Through a two-step polymerisation procedure, a series of polystyrene- polythiophene graft copolymers was created based on this monomer. These novel copolymers were fully characterised. Synthesising and characterisation of another novel monomer, 11-thiophen-3-yl-undec-1-en-3-one, was the key for polythiopehen-PMMA graft copolymerisation. The second series of graft copolymers was found to be easier to process and had better conductivities compared to the polythiophene-PS system.
URI: http://scholarbank.nus.edu.sg/handle/10635/14767
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