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530573

Sigma-Aldrich

Polypyrrole

doped, conductivity 30 S/cm (bulk), extent of labeling: 20 wt. % loading, composite with carbon black

Sinonimo/i:

PPy

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About This Item

Numero CAS:
30604-81-0
Numero MDL:
MFCD00284347
Codice UNSPSC:
12352103
ID PubChem:
24877760
NACRES:
NA.23

Forma fisica

solid

contiene

proprietary organic sulfonic acid as dopant

Grado di funzionalizzazione

20 wt. % loading

Punto di fusione

>300 °C

Solubilità

H2O: insoluble
organic solvents: insoluble

InChI

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

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Descrizione generale

Polypyrrole (PPy) is a conductive and highly stable polymer. It may be prepared by a 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. Electrosensitivity and lower oxidation potential of PPy make it potentially useful for drug delivery, chemical sensors, batteries, ion selective electrodes, biosensor and biochemistry research. 5
Polypyrrole (PPy) is a widely used heterocyclic polymer that is highly conductive and is majorly used in electrochemical applications. It is a cost efficient conducting polymer that has a stable oxidation and high solubility in water. It has a high degree of flexibility than polyaniline and has a density that facilitates a higher capacitance per unit volume.

Applicazioni

Inherently conducting polymer based additive. Loading of polypyrrole in carbon black typically 20%. Stable up to at least 300°C in air.
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.
Conducting polymer.
Conductive additive for thermoplasitics and thermosets.

Confezionamento

Packaged in glass bottles

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Certificati d'analisi (COA)

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