Space Survivability of Main-Chain and Side-Chain POSS-Kapton Polyimides

Kapton(R)Kapton polyimde (PI) is extensively used in solar arrays, spacecraft thermal blankets, and space inflatable structures. Upon exposure to atomic oxygen (AO) in low Earth orbit (LEO), Kapton(R) is severely degraded. An effective approach to prevent this erosion is chemically bonding polyhedra...

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Main Authors: Tomczak, Sandra J, Wright, Michael E, Guenthner, Andrew J, Pettys, Brian J, Brunsvold, Amy L, Knight, Casey, Minton, Timothy K, Vij, Vandana, McGrath, Laura M, Mabry, Joseph M
Format: Conference Proceeding
Language:English
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Summary:Kapton(R)Kapton polyimde (PI) is extensively used in solar arrays, spacecraft thermal blankets, and space inflatable structures. Upon exposure to atomic oxygen (AO) in low Earth orbit (LEO), Kapton(R) is severely degraded. An effective approach to prevent this erosion is chemically bonding polyhedral oligomeric silsesquioxane (POSS) into the polyimide matrix by copolymerization of POSS-diamine with the polyimide monomers. POSS is a silicon and oxygen cage-like structure surrounded by organic groups and can be polymerizable.
ISSN:0094-243X
DOI:10.1063/1.3076863