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Review of Radiation-Induced Effects in Polyimide

1
Assurance Technology Corporation, Carlisle, MA 01741, USA
2
Air Force Research Laboratory, Space Vehicles Directorate, Kirtland AFB, Albuquerque, NM 87117, USA
*
Author to whom correspondence should be addressed.
Appl. Sci. 2019, 9(10), 1999; https://doi.org/10.3390/app9101999
Received: 30 January 2019 / Revised: 3 May 2019 / Accepted: 5 May 2019 / Published: 16 May 2019
(This article belongs to the Special Issue Advances in Polyimide Films: Preparation, Properties and Applications)
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Abstract

Polyimide (PI, Kapton-H®) films are widely utilized in the spacecraft industry for their insulating properties, mechanical durability, light weight, and chemical resistance to radiation. Still PI materials remain exposed to a combination of high-energy electrons, protons, and ultraviolet (UV) photons, particles primarily responsible for radiation-induced damage in geosynchronous Earth orbit (GEO), which drastically change PI’s properties. This work reviews the effect of electron, proton, and UV photon irradiation on the material properties (morphology, absorption, mechanical properties, and charge transport) of PI. The different damaging mechanisms and chemical consequences that drive changes in the material properties of PI caused by each individual kind of irradiation will be discussed in detail. View Full-Text
Keywords: polyimide; geosynchronous Earth orbit (GEO); electron-irradiation; proton-irradiation; UV photons impingement; optical properties; charge transport; space weather polyimide; geosynchronous Earth orbit (GEO); electron-irradiation; proton-irradiation; UV photons impingement; optical properties; charge transport; space weather
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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MDPI and ACS Style

Plis, E.A.; Engelhart, D.P.; Cooper, R.; Johnston, W.R.; Ferguson, D.; Hoffmann, R. Review of Radiation-Induced Effects in Polyimide. Appl. Sci. 2019, 9, 1999.

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