Assertion: pan | /r/HasProperty | oxidized
Facets:
value: in air
type: LOCATION
value: thermally
type: MANNER
value: at 230 °c
type: TEMPORAL
Source sentences:
text: PAN is first thermally oxidized in air at 230 °C to form an oxidized PAN 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.