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Sigma-Aldrich

Polyaniline (emeraldine salt)

composite (20 wt.% polyaniline on carbon black)

Synonym(s):

PANI

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About This Item

MDL number:
MFCD00284320
UNSPSC Code:
12352103
NACRES:
NA.23

Quality Level

100

contains

proprietary organic sulfonic acid

conductivity

30 S/cm (pressed pellet)

mp

>300 °C (lit.)

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General description

Inherently conducting polymer based additive. Stable up to at least 300°C in air. Polyaniline is environmentally stable and with tunable conductivity. Synthesis of polyaniline (PANI) emeraldine salt by chemical oxidation has been reported. It was observed that sulfonated dyes chemically interact with the charged backbone of PANI. PANI selectively adsorbs the sulfonated dye. Spectral, diffraction and conductivity measurements of the polymer has been reported in the same study.
Polyaniline (emeraldine salt) (PANI-ES) is a conductive polymer that is loaded with carbon that forms a composite where the nano-carbon is of 100 nm size. It has an emeraldine type oxidation state that exists in the form of its base. It is mainly used in the development of electrochemical devices.

Application

Conductive additive for thermoplastics and thermosets.
PANI can be used in the formation of a conjugating system that finds potential applications in semiconductors. It can be used in the fabrication of a variety of devices which include fuel cells, light emitting diodes supercapacitors, chemical sensors(10) and rechargeable batteries.(11)

Packaging

Packaged in glass bottles

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Conductive polymer-carbon-imidazolium composite: a simple means for constructing solid-state dye-sensitized solar cells
Ikeda N, et al.
Chemical Communications (Cambridge, England), 1733-1735 (2006)
Synthesis and characterization of metal oxide-polyaniline emeraldine salt based nanocomposite.
Kumar K, et al.
AIP Conference Proceedings, 1512(1), 166-167 null
Conduction in polyaniline emeraldine salt in the terahertz region: A temperature dependence study
Tapia A and Tominaga K
Chemical Physics Letters, 598, 39-42 (2014)
Adsorption of sulfonated dyes by polyaniline emeraldine salt and its kinetics
Mahanta D, et al.
The Journal of Physical Chemistry B, 112(3), 10153-10157 (2008)
Quartz crystal microbalance VOCs sensor based on dip coated polyaniline emeraldine salt thin films.
Ihdene Z, et al.
Sensors and Actuators B, Chemical, 203, 647-654 null
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