Polyacrylonitrile (PAN) polymers with low polydispersity index (PDI) and carbon fibers made therefrom

Australia Patent

APP PUB NO AU-2014370386-A1
SERIAL NO

2014370386

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A method for synthesizing polyacrylonitrile (PAN) polymer with a narrow molecular weight distribution is disclosed. The preferred PAN polymer has a PDI (Mw/Mn) of about 2 or less. Such PAN polymer is synthesized by controlled/living radical polymerization using a special RAFT (Reversible Addition-Fragmentation Chain Transfer) agent. Also disclosed is a method for producing carbon fibers from PAN polymer with low PDI.

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