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How is carbon fibre manufactured?

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How is carbon fibre manufactured?

(a) Heating

(b) Thermal degradation of PAN

(c) Cooling of PAN

(d) Thermal degradation of polyethylene

This question was posed to me by my college director while I was bunking the class.

This key question is from Polymerization topic in division Polymerization Industries of Chemical Technology

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Correct option is (b) Thermal degradation of PAN

Easy explanation: Industrial manufacture of carbon fibre is based on the thermal degradation of non-melting organic polymers such as polyacrylonitrile (PAN). Mechanical properties attainable with carbon fibres is dependent upon the crystallinity.

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