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Polymer Bulletin
Erschienen in: Polymer Bulletin 8/2019

01.11.2018 | Original Paper

Synthesis and chemical properties of pyrophosphoric acid-doped polyaniline and copolymers of o-phenylenediamine with aniline and 3,4-ethylenedioxythiophene

verfasst von: Isao Yamaguchi, Sayo Kinugawa, Aohan Wang

Erschienen in: Polymer Bulletin | Ausgabe 8/2019

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Abstract

The homopolymers of aniline (P(ANi)PA) and o-phenylenediamine (P(PDA)PA) along with the copolymers of PDA with aniline (ANi) (P(PDA/ANi)PA) and 3,4-ethylenedioxythiophene (P(PDA/EDOT)PA) were synthesized via a polycondensation reaction that was initiated with ammonium persulfate in the presence of pyrophosphoric acid (PA). Treating the polymers with an alkaline resulted in the generation of the corresponding neutral polymers. The content of the NH2 groups within the polymers, which contained a P(PDA) unit, was determined by analyzing the N-acetylated polymers using 1H NMR spectroscopy. Elastic gels were obtained by dipping the PA cross-linked polymers into an organic solvent. The UV–Vis spectra for P(ANi)PA and P(PDA/ANi)PA exhibited absorption peaks corresponding to the cation radical (polaron) and dication (bipolaron) bands. The electrical conductivities of P(ANi)PA and P(PDA/ANi)PA were higher than those of the corresponding neutral polymers.
Vorheriger Artikel Selective high capacity adsorption of Au(III) from aqueous solution by poly(glycidyl methacrylate) functionalized with 2,6-diaminopyridine
Nächster Artikel High gel-strength hybrid hydrogels based on modified starch through surface cross-linking technique

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Metadaten
Titel
Synthesis and chemical properties of pyrophosphoric acid-doped polyaniline and copolymers of o-phenylenediamine with aniline and 3,4-ethylenedioxythiophene
verfasst von
Isao Yamaguchi
Sayo Kinugawa
Aohan Wang
Publikationsdatum
01.11.2018
Verlag
Springer Berlin Heidelberg
Erschienen in
Polymer Bulletin / Ausgabe 8/2019
Print ISSN: 0170-0839
Elektronische ISSN: 1436-2449
DOI
https://doi.org/10.1007/s00289-018-2590-9

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