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- W4206524805 abstract "Abstract The combination of shape memory effects and multi‐functionalities in smart materials is becoming one of the hottest research directions in the field of actuators and robotics. In this study, N ‐hydroxyethyl‐3,3‐dimethyl‐6‐nitroindoline spiropyran (SP) is chemically grafted into a polyurethane matrix to prepare ultraviolet light‐actuated shape memory thermoplastic polyurethane, which first integrates three unique properties including shape memory, photochromism, and mechanochromism. The FTIR, WAXD, SAXS, DSC, TGA, and shape memory tests reveal that the shape memory transformation temperature of 4.6 wt% SP‐based shape memory polyurethane is 41.2 °C, and it has the highest shape memory performance, as indicated by shape fixation and shape recovery ratios of 97.4% and 93.7%, respectively. Furthermore, “bionic fingers” with diversely selective actuation properties are fabricated, which exhibit a series of programmable multi‐segment motions to meet potential applications in the field of soft actuators." @default.
- W4206524805 created "2022-01-25" @default.
- W4206524805 creator A5028702225 @default.
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- W4206524805 date "2022-01-28" @default.
- W4206524805 modified "2023-10-12" @default.
- W4206524805 title "Smart Shape Memory Polyurethane with Photochromism and Mechanochromism Properties" @default.
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- W4206524805 doi "https://doi.org/10.1002/mame.202100778" @default.
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