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482552

Sigma-Aldrich

Polypyrrole

greener alternative

doped, 5 wt % dispersion in H2O, conductivity >0.005 S/cm (dried cast film)

Synonyme(s) :

PPy

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About This Item

Numéro CAS:
30604-81-0
Numéro MDL:
MFCD00284347
Code UNSPSC :
12352103
Nomenclature NACRES :
NA.23

Niveau de qualité

100

Contient

proprietary organic acids as dopant

Caractéristiques du produit alternatif plus écologique

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

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Concentration

5 wt % dispersion in H2O

Autre catégorie plus écologique

Enabling,

InChI

1S/C4H5N/c1-2-4-5-3-1/h1-5H

Clé InChI

KAESVJOAVNADME-UHFFFAOYSA-N

Description générale

Polypyrrole (PPy) is a conductive and highly stable polymer, doped with proprietary organic acids. It may be prepared by standard electrochemical technique. PPy may also be prepared by reacting β-napthalene sulfonic acid (NSA) and ammonium peroxo-disulphate in aqueous medium. The charges on the surfaces can be easily modified by doping the polymer during its synthesis.Solubility and conductivity measurements of PPy doped with camphor sulfonic and dodecyl benzene sulfonic acid has been reported.
Polypyrrole(PPy) is a π-conjugated conductive polymer that can be electrochemically synthesized and deposited on a variety of surfaces. The deposited PPy can be used in a wide range of sensor based applications due to the following properties:
  • Ion exchange capacity.
  • Electrochromic effects.
  • Redox activity.
  • Corrosion resistant.
  • Catalytic activity.

We are committed to bringing you Greener Alternative Products, which adhere to one or more of the 12 Principles of Green Chemistry. This product enables flexible high-performance energy conversion and storage and thus has been enhanced for energy efficiency. Click here for more information.

Application

Conducting polymers may be used in electronics, chemical sensors.
PPy can be used in the development of devices including:
  • conductive sensors for quality monitoring
  • blended with nanotubes for supercapacitors
  • nanowire actuators
  • biosensors for drug delivery
  • CO2 absorption materials

Conditionnement

Packaged in poly bottles

Code de la classe de stockage

10 - Combustible liquids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

Certificats d'analyse (COA)

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Electrochemical sensors based on conducting polymer?polypyrrole.
Ramanavicius A, et al.
Electrochimica Acta, 51(27), 6025-6037 (2006)
Polypyrrole nanowire actuators.
Berdichevsky Y and Lo Y
Advanced Materials, 18(1), 122-125 (2006)
Conducting polymers in electronic chemical sensors
Janata J and Josowicz M
Nature Materials, 2, 19-24 (2003)
N-doped polypyrrole-based porous carbons for CO2 capture.
Sevilla M, et al.
Advances in Functional Materials, 21(14), 2781-2787 (2011)
Miniaturized water quality monitoring pH and conductivity sensors.
Banna MH, et al.
Sensors and Actuators B, Chemical, 193(27), 434-441 (2014)
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