Interfacial synthesis of long polyindole fibers | Zendy

Koiry S. P. | Zendy; Saxena Vibha | Zendy; Sutar Dayanand | Zendy; Bhattacharya S. | Zendy; Aswal D. K. | Zendy; Gupta S. K. | Zendy; Yakhmi J. V. | Zendy

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Interfacial synthesis of long polyindole fibers

Author(s) -

Koiry S. P.,

Saxena Vibha,

Sutar Dayanand,

Bhattacharya S.,

Aswal D. K.,

Gupta S. K.,

Yakhmi J. V.

Publication year - 2006

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.25245

Subject(s) - polymerization , monomer , aqueous solution , polymer chemistry , fourier transform infrared spectroscopy , dichloromethane , materials science , interfacial polymerization , chemical engineering , analytical chemistry (journal) , chemistry , polymer , organic chemistry , composite material , solvent , engineering

Polyindole fibers upto a length of 1000 μm and ∼ 25 μm in diameter have been reproducibly synthesized by interfacial polymerization, which was performed at a stationary interface of aqueous (FeCl 3 solution)/organic (indole in dichloromethane) biphasic system. On the other hand, disturbing the aqueous/organic interface by constant stirring of solution—termed as bulk polymerization—resulted in globular (average size ∼ 2 μm) polyindole. The results of Fourier transform infrared spectroscopy revealed that polymerization takes place at carbon atoms located at positions 2 and 3 in indole monomer, and this has explained origin of different polyindole morphology obtained in interfacial and bulk polymerization. Cyclic voltammograms recorded as a function of scan rate indicated a high electroactivity of the synthesized polyindole. © 2006 Wiley Periodicals, Inc. J Appl Polym Sci 103: 595–599, 2007

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