11 April 2017 The research of vacuum thermal cycling resistant transparent shape memory polyimide and its application in space flexible electronics
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Abstract
In this paper, the high temperature polyimide-based shape memory polymers were exposed to simulated vacuum thermal cycling environments from −170 °C to +170 °C up to 600 hours for an accelerated irradiation. The effects of vacuum thermal cycling on optical transmittance, stretchable shape memory effects, thermomechanical and thermal properties were evaluated. Even if they experienced 600 hours of vacuum thermal cycling irradiation, the glass transition temperatures (Tg), optical transmittance, thermal stability, and the shape memory effects had no significant changes. The results are quite instructive in selecting and evaluating material for aerospace structures. polyimide-based shape memory polymers also shows great potential application in large-area space flexible electronics.
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Hui Gao, Hui Gao, Longnan Huang, Longnan Huang, Xin Lan, Xin Lan, Liwu Liu, Liwu Liu, Yanju Liu, Yanju Liu, Jinsong Leng, Jinsong Leng, } "The research of vacuum thermal cycling resistant transparent shape memory polyimide and its application in space flexible electronics", Proc. SPIE 10165, Behavior and Mechanics of Multifunctional Materials and Composites 2017, 101651B (11 April 2017); doi: 10.1117/12.2259938; https://doi.org/10.1117/12.2259938
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