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MilliporeSigma

181315

Polyacrylonitrile

average Mv 150,000

Synonym(s):

Vinyl cyanide

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About This Item

Linear Formula:
(C3H3N)n
CAS Number:
25014-41-9
NACRES:
NA.23
PubChem Substance ID:
24850927
UNSPSC Code:
12162002
MDL number:
MFCD00084395

Key Documents

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Product Name

Polyacrylonitrile, average Mv 150,000

InChI

1S/C3H3N/c1-2-3-4/h2H,1H2

SMILES string

C=CC#N

InChI key

NLHHRLWOUZZQLW-UHFFFAOYSA-N

mol wt

average Mv 150,000

refractive index

n20/D 1.514

transition temp

Tm 317 °C
Tg 85 °C

density

1.184 g/mL at 25 °C (lit.)

Quality Level

200

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Application

Polyacrylonitrile (PAN) is used as polymeric carbon precursor to form carbon fibers, electrospun activated carbon materials having meso-macro pores, carbon black additives.These are consecutively used in hydrogen storage, EMI shielding, electrochemistry, separation processes. It may find applications in PAN based single walled carbon nanotube composites.

General description

PAN molecule has strong polar nitrile groups.It is relatively insoluble in nature. PAN based carbon fibers possess very high strength compared to other polymeric precursors. When subjected to heat treatment, it can produce high carbon yield giving rise to thermally stable, highly oriented, graphite like molecular structure. Generating carbon-fiber from PAN based fiber is a combination of three processes-- namely stabilization, carbonization and graphitization.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
MKCZ8295
0000493804
0000493804
MKCZ5873
0000483657

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Polyacrylonitrile single-walled carbon nanotube composite fibers.
Sreekumar TV, et al.
Advanced Materials, 16(1), 58-61 (2004)
A review of heat treatment on polyacrylonitrile fiber.
Rahaman MS, et al.
Polymer Degradation and Stability, 92(8), 1421-1432 (2007)
Ji Sun Im et al.
Journal of colloid and interface science, 314(1), 32-37 (2007-06-19)
Mesoporous activated carbon samples were prepared from electrospun PAN-based carbon fibers using physical activation with silica. Textural characterization was performed using nitrogen adsorption at 77 K. The BET specific surface area and pore size distribution of silica activated carbon materials
Fluorination effects of carbon black additives for electrical properties and EMI shielding efficiency by improved dispersion and adhesion.
Im JS, et al.
Carbon, 47(11), 2640-2647 (2009)
Ji Sun Im et al.
Journal of colloid and interface science, 318(1), 42-49 (2007-11-09)
Polyacrylonitrile (PAN)-based carbon nanofibers (CNFs) were prepared by using electrospinning method and heat treatment to get the media for hydrogen adsorption storage. Potassium hydroxide and zinc chloride activations were conducted to increase specific surface area and pore volume of CNFs.
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Articles

Electrospinning: Enabling Nanostructured Materials

Electrospinning technique applications discussed, emphasizing control of nanofibers and assembly into 3D architectures.

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