Results 11 to 20 of about 36,934 (216)

Transdutores potenciométricos a base de polímeros condutores: aplicações analíticas Potentiometric transducers based in conducting polymers: analytical applications

open access: yesQuímica Nova, 1997
A review is given about the most relevant advances on the analytical applications of conducting polymers in potentiometric sensors. These organic polymers represent a new class of materials with conducting properties due to its doping by ions.
Laércio Rover Júnior   +2 more
doaj   +1 more source

Electrochemical synthesis and characterization of bilayers of poly(O-aminophenol)/ polypyrrole/lignin composites for enhanced charge storage in supercapacitors

open access: yesBulletin of the Chemical Society of Ethiopia, 2016
Using simple electrosynthesis methods a single and bilayer of conducting polymers, polypyrrole and poly(o-aminophenol) with biopolymer lignin hybrid composites were formed on gold electrodes.
S. Admassie
doaj   +1 more source

Preparation and Characterization of Conducting Polymer Latices by Chemical Polymerization of Aniline or Anisidine in Presence of Latex: Study of Their Electroactivity and Anti-Corrosion Properties [PDF]

open access: yesعلوم و تکنولوژی پلیمر, 2013
Poly (vinylacetate-co-butylmethacrylate) was prepared in presence of potassium persulphate as an oxidizing agent in aqueous solution of dodecylbenzene sulfonate sodium as an emulsifying agent. Then, aniline was polymerized by chemical oxidation method at
Bakhshali Massoumi   +1 more
doaj   +1 more source

Avant-Garde Polymer/Graphene Nanocomposites for Corrosion Protection: Design, Features, and Performance

open access: yesCorrosion and Materials Degradation, 2023
Polymeric coatings have been widely selected for the corrosion resistance of metallic surfaces. Both the conducting and non-conducting polymers have been applied for corrosion confrontation.
Ayesha Kausar   +3 more
doaj   +1 more source

Effect of doped and undoped POMA on the morphology and miscibility of blends with Poly(vinylidene fluoride) (PVDF)

open access: yesMaterials Research, 1999
The effect of the addition of small amounts of doped and undoped poly(o-methoxyaniline) (POMA) on the morphology of melt crystallized PVDF was investigated by means of polarized light optical microscopy.
I.S. Rocha   +3 more
doaj   +1 more source

Antimicrobial Activities of Conducting Polymers and Their Composites

open access: yesMacromol, 2022
Conducting polymers, mainly polyaniline (PANI) and polypyrrole (PPY) with positive charges bind to the negatively charged bacterial membrane to interfere with bacterial activities. After this initial electrostatic adherence, the conducting polymers might
Moorthy Maruthapandi   +4 more
doaj   +1 more source

Functional Conducting Polymers via Thiol-ene Chemistry

open access: yesBiosensors, 2012
We demonstrate here that thiol-ene chemistry can be used to provide side-chain functionalized monomers based on 3,4-propylenedioxythiophene (ProDOT) containing ionic, neutral, hydrophobic, and hydrophilic side chains.
David C. Martin, Kathleen E. Feldman
doaj   +1 more source

Application of Conducting Polymer Nanostructures to Electrochemical Biosensors

open access: yesMolecules, 2020
Over the past few decades, nanostructured conducting polymers have received great attention in several application fields, including biosensors, microelectronics, polymer batteries, actuators, energy conversion, and biological applications due to their ...
Waleed A. El-Said   +3 more
doaj   +1 more source

Gas Sensors Based on Conducting Polymers

open access: yesSensors, 2007
The gas sensors fabricated by using conducting polymers such as polyaniline (PAni), polypyrrole (PPy) and poly (3,4-ethylenedioxythiophene) (PEDOT) as the active layers have been reviewed. This review discusses the sensing mechanism and configurations of
Gaoquan Shi, Hua Bai
doaj   +1 more source

Voltammetric and Spectroscopic Investigation of Electrogenerated Oligo-Thiophenes: Effect of Substituents on the Energy-Gap Value

open access: yesApplied Sciences, 2022
Oligothiophenes are especially appealing due to their promising applications in different fields, including photosensitive devices. In this context, anchoring a selected substituent on the main structure of the starting material can induce changes in ...
Maria I. Pilo   +6 more
doaj   +1 more source

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