The observation of a conductivity threshold on the electrorheological effect of p-phenylenediamine oxidized with p-benzoquinone

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389013%3A_____%2F15%3A00447792" target="_blank" >RIV/61389013:_____/15:00447792 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/70883521:28610/15:43873181

Výsledek na webu

<a href="http://dx.doi.org/10.1039/C5TC02119G" target="_blank" >http://dx.doi.org/10.1039/C5TC02119G</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1039/C5TC02119G" target="_blank" >10.1039/C5TC02119G</a>

Jazyk výsledku

angličtina

Název v původním jazyce

The observation of a conductivity threshold on the electrorheological effect of p-phenylenediamine oxidized with p-benzoquinone

Popis výsledku v původním jazyce

p-Phenylenediamine was oxidized with p-benzoquinone in the presence of 0.1?5 M methanesulfonic acid (MSA) solutions. The resulting methanesulfonate salts of 2,5-(di-p-phenylenediamine)-1,4-benzoquinone are semiconducting and the particles were further suspended in silicone oil in a weight ratio of 1:9 in order to create novel electrorheological fluids. Conductivity measurements using the two-point method along with dielectric spectroscopy were carried out in order to investigate their electrical and dielectric properties, including their silicone-oil suspensions. The higher the concentration of MSA was present during the synthesis, the higher the conductivity was observed. Nevertheless, a certain threshold of the ER effect has been found and a furthersignificant increase in conductivity causes only a slight ER effect enhancement. At an electric field strength of 1.5 kV mm1, the observed yield stresses read at the low shear rate values were 11.5 Pa, 20.3 Pa, 24.5 Pa, and 28.2 Pa for pa

Název v anglickém jazyce

The observation of a conductivity threshold on the electrorheological effect of p-phenylenediamine oxidized with p-benzoquinone

Popis výsledku anglicky

p-Phenylenediamine was oxidized with p-benzoquinone in the presence of 0.1?5 M methanesulfonic acid (MSA) solutions. The resulting methanesulfonate salts of 2,5-(di-p-phenylenediamine)-1,4-benzoquinone are semiconducting and the particles were further suspended in silicone oil in a weight ratio of 1:9 in order to create novel electrorheological fluids. Conductivity measurements using the two-point method along with dielectric spectroscopy were carried out in order to investigate their electrical and dielectric properties, including their silicone-oil suspensions. The higher the concentration of MSA was present during the synthesis, the higher the conductivity was observed. Nevertheless, a certain threshold of the ER effect has been found and a furthersignificant increase in conductivity causes only a slight ER effect enhancement. At an electric field strength of 1.5 kV mm1, the observed yield stresses read at the low shear rate values were 11.5 Pa, 20.3 Pa, 24.5 Pa, and 28.2 Pa for pa

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

CD - Makromolekulární chemie

OECD FORD obor

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Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2015

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Journal of Materials Chemistry C

ISSN

2050-7526

e-ISSN

—

Svazek periodika

3

Číslo periodika v rámci svazku

38

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

8

Strana od-do

9973-9980

Kód UT WoS článku

000361835600026

EID výsledku v databázi Scopus

2-s2.0-84942474951