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476706

Sigma-Aldrich

Polyaniline (emeraldine base)

average Mw ~10,000

Sinonimo/i:

Emeraldine base polyaniline

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About This Item

Numero CAS:
25233-30-1
Numero MDL:
MFCD00241446
Codice UNSPSC:
12352103
ID PubChem:
24871293
NACRES:
NA.23

PM

average Mw ~10,000

Livello qualitativo

100

Solubilità

m-cresol: soluble
DMAC: soluble
DMF: soluble
DMSO: soluble
NMP: soluble

InChI

1S/C3H4BrN3.ClH/c1-2-3(4)6-7-5-2;/h1H3,(H,5,6,7);1H
LYCWKZFKTMHXQA-UHFFFAOYSA-N

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Categorie correlate

Descrizione generale

Polyaniline (PAni) emeraldine salt can be prepared by protonation of PAni emeraldine base (PAni-EB). PAni-EB forms at pH>7. It′s mechanism against corrosive agents has been explained in a study.
Polyaniline (emeraldine base) (PANI) is an intrinsic conductive polymer which consists of a ring structure attached with nitrogen substituted derivatives. It has an emeraldine type of oxidation state that exists in the form of its base. It exhibits high corrosion resistance and can be used in the development of electrochemical devices.

Applicazioni

Polyaniline (PANI) forms a conjugating system that can be used for a variety of semiconducting applications. It is also widely used as protective coatings and hole transporting layers (HTLs) for organic electronics and chemical sensing.
The polymer acts as an anticorrosive additive. Epoxy paints may be modified using PAni-EB.

Caratteristiche e vantaggi

Undoped form of conducting polymer (non-conductive).

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

Dispositivi di protezione individuale

Eyeshields, Gloves, type N95 (US)

Certificati d'analisi (COA)

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Study of epoxy and alkyd coatings modified with emeraldine base form of polyaniline.
Armelin E, et al.
Progress in Organic Coatings, 58(4), 316-322 (2007)
Emeraldine Base Polyaniline as an Alternative to Poly(3,4-ethylenedioxythiophene) as a Hole-Transporting Layer
Higgins RWT, et al.
Advances in Functional Materials, 11(6), 407-402 (2001)
Corrosion protection of iron/steel by emeraldine base polyaniline: an X-ray photoelectron spectroscopy study.
Fahlman M, et al.
Synthetic Metals, 85(1-3), 1323-1326 (1997)
Anticorrosion performances of epoxy coatings modified with polyaniline: A comparison between the emeraldine base and salt forms
Armelin E, et al.
Progress in Organic Coatings, 65(1), 88-93 (2009)
Suitability of emeraldine base polyaniline-PVA composite film for carbon dioxide sensing.
Irimia-Vladu M and Fergus JW
Synthetic Metals, 156(21-24), 1401-1407 (2006)
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