About: The oxidation of aniline with p-benzoquinone and its impact on the preparation of the conducting polymer, polyaniline

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The reaction between aniline and p-benzoquinone in an aqueous solution of methanesulfonic acid (MSA) yields 2,5-dianilino-p-benzoquinone. It forms salts with MSA, which are conducting, the maximum conductivity being 2.6 104 S cm1 when the preparation was carried out in 5 M MSA. After deprotonation to the base form, the conductivity was reduced to 1013 S cm1. Paramagnetic centres (1.0 107 mol mg1) have been detected in the salt by electron paramagnetic resonance and their concentration was correspondingly reduced after the conversion to the base. The molecular structure was analysed by infrared spectroscopy and confirmed by laser-desorption-ionization mass spectrometry. The formation of polyaniline in this reaction was ruled out on the basis of chromatographic methods and UV–visible spectra. The impact of this reaction on the preparation of polyaniline, where p-benzoquinone is produced and 2,5-dianilino-p-benzoquinone may represent a major by-product, is discussed. The reaction between aniline and p-benzoquinone in an aqueous solution of methanesulfonic acid (MSA) yields 2,5-dianilino-p-benzoquinone. It forms salts with MSA, which are conducting, the maximum conductivity being 2.6 104 S cm1 when the preparation was carried out in 5 M MSA. After deprotonation to the base form, the conductivity was reduced to 1013 S cm1. Paramagnetic centres (1.0 107 mol mg1) have been detected in the salt by electron paramagnetic resonance and their concentration was correspondingly reduced after the conversion to the base. The molecular structure was analysed by infrared spectroscopy and confirmed by laser-desorption-ionization mass spectrometry. The formation of polyaniline in this reaction was ruled out on the basis of chromatographic methods and UV–visible spectra. The impact of this reaction on the preparation of polyaniline, where p-benzoquinone is produced and 2,5-dianilino-p-benzoquinone may represent a major by-product, is discussed. (en)
Title	The oxidation of aniline with p-benzoquinone and its impact on the preparation of the conducting polymer, polyaniline The oxidation of aniline with p-benzoquinone and its impact on the preparation of the conducting polymer, polyaniline (en)
skos:prefLabel	The oxidation of aniline with p-benzoquinone and its impact on the preparation of the conducting polymer, polyaniline The oxidation of aniline with p-benzoquinone and its impact on the preparation of the conducting polymer, polyaniline (en)
skos:notation	RIV/61389013:_____/14:00427487!RIV15-GA0-61389013
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GA13-00270S)
http://linked.open...iv/cisloPeriodika	June
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Walterová, Zuzana Horský, Jiří Stejskal, Jaroslav Trchová, Miroslava Pilař, Jan Bober, Patrycja
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav makromolekulární chemie AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	35526
http://linked.open...ai/riv/idVysledku	RIV/61389013:_____/14:00427487
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	aniline; p-benzoquinone; 2,5-dianilino-p-benzoquinone (en)
http://linked.open.../riv/klicoveSlovo	5-dianilino-p-benzoquinone 2 aniline p-benzoquinone
http://linked.open...odStatuVydavatele	CH - Švýcarská konfederace
http://linked.open...ontrolniKodProRIV	[A7AF171BF7A5]
http://linked.open...i/riv/nazevZdroje	Synthetic Metals
http://linked.open...in/vavai/riv/obor	CD
http://linked.open...ichTvurcuVysledku	6 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Hybrid composites based on conducting polymers
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	192
http://linked.open...iv/tvurceVysledku	Horský, Jiří Stejskal, Jaroslav Trchová, Miroslava Walterová, Zuzana Pilař, Jan Bober, Patrycja
http://linked.open...ain/vavai/riv/wos	000336473900010
issn	0379-6779
number of pages	8 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.synthmet.2014.03.014

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