Polyacrylonitrile
Polyacrylonitrile (PAN) is a synthetic polymer made from acrylonitrile monomer. It is a versatile polymer with a wide range of applications in various fields including space and astronautical engineering. PAN fibers are used as a precursor material for the production of carbon fibers, which are widely used in the aerospace industry due to their high strength-to-weight ratio and excellent thermal and electrical conductivity. PAN-based carbon fibers are used in the construction of spacecraft, satellites, and launch vehicles. PAN is also used as a binder in solid rocket propellants due to its high carbon content and ability to withstand high temperatures. Additionally, PAN is used as a radiation shielding material in spacecraft and space habitats due to its high hydrogen content, which makes it an effective shield against cosmic radiation.
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