What will happen if polyacrylonitrile is heated in inert atmosphere?
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polyacrylonitrile is first thermally oxidized in air at 230 °C to form an oxidized polyacrylonitrile fiber and then carbonized above 1000 °C in inert atmosphere to make carbon fibers found in a variety of both high-tech and common daily applications such as civil and military aircraft primary and secondary structures, missiles, solid propellant rocket motors, pressure vessels, fishing rods, tennis rackets and bicycle frames.
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