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Sigma-Aldrich

Polyaniline (emeraldine salt) short chain, grafted to lignin

powder

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About This Item

CAS Number:
313949-90-5
MDL number:
MFCD03458091
UNSPSC Code:
12352103
PubChem Substance ID:
24879915
NACRES:
NA.23

form

powder

contains

ligno-sulfonic acid as dopant

particle size

2-3 μm

pH

1.95 (5 wt. % in H2O)

conductivity

1-2 S/cm (pressed pellet)

SMILES string

Nc1ccc(N)cc1

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General description

Polyaniline (emeraldine salt) short chain, grafted to lignin (PANI-LIG) is an intrinsic conductive polymer with good electrical and optical properties. PANI is grafted with lignin to enhance the tensile strength and the bulk modulus of the polymer. It can be used for a variety of optoelectronic applications.

Application

Additive in polymer blends and liquid dispersions for corrosion resistant coatings; antistatic fabrics, coatings, and packaging; conductive inks and adhesives; printed circuit boards; radar and microwave absorption; EMI/RFI shielding; sensors.
PANI-LIG can be used in a variety of applications such as energy harvesting, dye sensitized solar cells, biosensors, and synthesis of ruthenium nanoparticles.

Features and Benefits

Inherently conductive polymer. Redox active up to a pH of 9.

Chem/Phys Resistance

Stable at 300 °C for 30 mins. Insoluble in most solvents. Dispersible over a wide pH range in water and polar, protic organic solvents including isopropanol, DMSO, DMF, and NMP.

Other Notes

Shake well before use.

Pictograms

CorrosionExclamation mark
GHS05,GHS07

Signal Word

Danger

Hazard Statements

H315,H318,H335

Hazard Classifications

Eye Dam. 1 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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Enhanced strain response and energy harvesting capabilities of electrostrictive polyurethane composites filled with conducting polyaniline
Jaaoh D, et al.
Composites Science and Technology, 122(2), 97-103 (2016)
Novel Polymer Stabilized Water Soluble Ru-Nanoparticles as Aqueous Colloidal Fischer-Tropsch Catalysts
Gual A, et al.
Topics in Catalysis, 56(13-14), 1208-1219 (2013)
Conducting polymers and their applications to biosensors: emphasizing on foodborne pathogen detection
Arshak K, et al.
IEEE Sensors Journal, 9(12), 1942-1951 (2009)
Laser Processed Antimicrobial Nanocomposite Based on Polyaniline Grafted Lignin Loaded with Gentamicin-Functionalized Magnetite
Visan AI, et al.
Polymers, 11(2), 283-283 (2019)

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