577030
Polypyrrole
conductivity 10-50 S/cm (pressed pellet)
Synonyme(s) :
PPy
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A propos de cet article
Numéro CAS:
UNSPSC Code:
12352103
PubChem Substance ID:
NACRES:
NA.23
MDL number:
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[nH]1cccc1
InChI
1S/C4H5N/c1-2-4-5-3-1/h1-5H
InChI key
KAESVJOAVNADME-UHFFFAOYSA-N
description
Electrodes
form
solid
contains
proprietary organic sulfonic acid as dopant
greener alternative product characteristics
Design for Energy Efficiency
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sustainability
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solubility
H2O: insoluble, organic solvents: insoluble
greener alternative category
, Enabling
Quality Level
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General description
Polypyrrole (PPy) is a widely used highly conductive and highly stable heterocyclic polymer. It is majorly used in electrochemical applications. It is a cost-efficient conducting polymer that has a stable oxidation and high solubility in water. It exhibits a high degree of flexibility than polyaniline and has a density that facilitates a higher capacitance per unit volume.
PPy may be prepared by a standard electrochemical technique. It may also be prepared by reacting -napthalene sulfonic acid (NSA) and ammonium peroxo-disulfate 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 have been reported. Lectrosensitivity and lower oxidation potential of PPy make it potentially useful for drug delivery, chemical sensors, batteries, ion selective electrodes, biosensor and biochemistry research.
PPy may be prepared by a standard electrochemical technique. It may also be prepared by reacting -napthalene sulfonic acid (NSA) and ammonium peroxo-disulfate 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 have been reported. Lectrosensitivity and lower oxidation potential of PPy make it potentially useful for drug delivery, chemical sensors, batteries, ion selective electrodes, biosensor and biochemistry research.
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Application
Conducting polymer.
Conductive additive for thermoplasitics and thermosets.
Conductive additive for thermoplastics and thermosets. Polypropylene composites constitute the polymer electrolyte membrane fuel cell (PEMFC). Addition of PPy to polypropylene composites alters its conductivity.
PPy can be used for a variety of applications such as:
- electrode materials for sensors used in electrocardiography (ECG)
- formation of electrode material for a variety of energy storage applications
- encapsulation of lithium sulfide (Li2S) as a high performance cathode material
PPy is mainly used in the fabrication of a variety of electrochemical devices, which include supercapacitors, chemical sensors, dye sensitized solar cells and lithium-ion batteries.
Packaging
Packaged in glass bottles
Other Notes
Stable up to at least 290°C in air
Classe de stockage
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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Conducting polymers with superhydrophobic effects as anticorrosion coating
Intelligent Coatings for Corrosion Control, 409-430 (2014)
In-situ encapsulation of nickel nanoparticles in polypyrrole nanofibres with enhanced performance for supercapacitor
Muhamad SU, et al.
Electrochimica Acta, 249(8), 9-15 (2017)
Sensors Based on Conducting Polymers for Measurement of Physiological Parameters
Teran-Jimenez O, et al.
IEEE Sensors Journal, 17(8), 2492-2497 (2017)
Electrochemistry of nucleic acids and proteins: towards electrochemical sensors for genomics and proteomics
Palecek E, et al.
Journal of Nanoscience and Nanotechnology, 1(1), 596-612 (2005)
Facile synthesis of Li 2 S-polypyrrole composite structures for high-performance Li 2 S cathodes
She ZW, et al.
Energy & Environmental Science, 7(2), 672-676 (2014)
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