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428329 Aldrich

Polyaniline (emeraldine salt)

average Mw >15,000, powder (Infusible), 3-100 μm particle size

Synonym: PANI

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Properties

Related Categories 3D Printing Materials for Research and Development, Emeraldine Salts, Hole Injection Layer (HIL) Materials, Hole Transport (HT) & Hole Injection Layer (HIL) Materials, Materials Science,
form   powder (Infusible)
mol wt   average Mw >15,000
particle size   3-100 μm
surface area   5-20 m2/g
conductivity   2-4 S/cm (compacted powder)
mp   >300 °C(lit.)
density   1.36 g/mL at 25 °C
bulk density   18.8 lb/cu.ft

Description

Packaging

25 g in poly bottle

5 g in glass bottle

5 g packaged in glass bottles; 25 g packaged in poly bottles

Application

Additive in polymer blends and liquid dispersions for electromagnetic shielding, charge dissipation, electrodes, batteries and sensors. Polyaniline may be used for linear actuator applications. 1

General description

Form of polyaniline complexed (doped) with proprietary organic sulfonic acid. Polyaniline is environmentally stable and with tunable conductivity.3 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. 1

Inherently conductive polymer.
Stable at 100 °C and at 200 °C for short periods. Dispersed particles tend to reaggregrate in molded articles forming conductive pathways. Acidic salt of an organic acid, incompatible with most bases.
Form of polyaniline complexed (doped) with proprietary organic sulfonic acid

Price and Availability

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
3
Protocols & Articles

Articles

3D Printing of Carbon Fiber-Reinforced Composites

3D printing is a type of additive manufacturing that can be used to rapidly fabricate components with highly customizable geometries, most typically using a layer-by-layer fabrication process. 3D pri...
Zhenyu Bo* (Ph.D Candidate at Northwestern University) and Jia Choi*, PhD, Product Manager


*Materials Science Product Management Team, MilliporeSigma, Milwaukee, WI.
Keywords: Deposition, Nanomaterials, Nanotubes

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