CAS
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Polyacrylonitrile,mw 150000
CAS
25014-41-9
Catalog Number
ACM25014419-1
Category
Polymer/Macromolecule
Molecular Weight
average Mw 150,000
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Specification
Synonyms
2-Propenenitrile,homopolymer
Melting Point
317°C
Density
1.184
Appearance
solid
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Polyacrylonitrile
Application of Polyacrylonitrile in Carbon Nanofiber Preparation
Nataraj S K, et al. Progress in polymer science, 2012, 37(3): 487-513.
Polyacrylonitrile (PAN) is a well-known polymer with good stability and mechanical properties that has been widely used in the production of carbon nanofibers (CNF). Among the various precursors to produce CNFs, PAN has high carbon yield and flexibility for tailoring the structure of the final CNFs as well as the ease of obtaining stabilized products due to the formation of a ladder structure via nitrile polymerization.
Preparation method of PAN-based CNFs
· PAN nanofibers can first be prepared by a variety of methods, e.g., vapor growth, arc discharge, laser ablation, chemical vapor deposition and electrospinning.
· The PAN nanofibers are then carbonized to obtain PAN-based CNFs. Carbonizing involves the heat treatment of the stabilized PAN fibers to remove non-carbon elements in the form of different gases ranging from 700 to 1500 °C in an inert atmosphere.
Protocol
Preparation and Properties of Polyacrylonitrile
The main monomer for preparing polyacrylonitrile is acrylonitrile (AN), which can be produced from petroleum, natural gas, coal, calcium carbide, etc., and has a variety of process routes. Currently the propylene ammoxidation method is widely used.
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