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Synthesis, polymerization and wool coating studies of 3-iso-butylpyrrole and 3-iso-pentylpyrrole

Foitzik, Richard, Kaynak, Akif, Pfeffer, Frederick and Beckmann, J. 2006, Synthesis, polymerization and wool coating studies of 3-iso-butylpyrrole and 3-iso-pentylpyrrole, Synthetic metals, vol. 156, no. 21-24, pp. 1333-1340.

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Title Synthesis, polymerization and wool coating studies of 3-iso-butylpyrrole and 3-iso-pentylpyrrole
Author(s) Foitzik, Richard
Kaynak, Akif
Pfeffer, Frederick
Beckmann, J.
Journal name Synthetic metals
Volume number 156
Issue number 21-24
Start page 1333
End page 1340
Publisher Elsevier SA
Place of publication Lausanne, Switzerland
Publication date 2006-12-01
ISSN 0379-6779
Keyword(s) polymers
acylation
substituent effects
protecting groups
reductions
textilecoating
conducting polymers
wool
Summary In a four-step method starting from pyrrole, the synthesis of 3-iso-butylpyrrole and 3-iso-pentylpyrrole, was achieved in 45 and 44% yields, respectively. Polymerization studies of these branched alkyl pyrroles are described and the results compared with those obtained for the unbranched structural isomers n-butyl and n-pentylpyrrole. A series of conductive textiles were produced by the chemical polymerization of the iso-alkylpyrroles using both solution and vapour polymerization techniques. Fabrics coated with poly-iso-alkylpyrrole formed using the solution polymerization method had a lower surface resistance than those formed using the vapour polymerization method. These conductivity results were in direct contrast to those previously obtained for 3-n-alkylpyrroles on fabrics. A remarkable crystal-like growth on the surface of the textile fabric was observed when solution polymerization of 3-iso-pentylpyrrole was employed—reinforcing the notion that subtle changes in monomer structure can drastically affect bulk polymer properties.
Notes Available online 28 November 2006.
Language eng
Field of Research 091209 Polymers and Plastics
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2006 Elsevier B.V.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30003824

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