A light-driven deployable flexible mechanism and its preparation method
A flexible mechanism and light-driven technology, applied in coatings and other directions, can solve the problems of large mass and volume, complex structural design, and large impact of deployable mechanisms, and achieve the effect of simple driving process, strong wavelength selectivity, and abundant light sources
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Embodiment 1
[0063] A preparation method of a light-driven expandable flexible mechanism, the specific steps are:
[0064] (1) The thermal expansion coefficient of parallel and uniform arrangement on the glass plate is 3×10 -6 ℃ -1 The polyimide yarn with an arrangement density of 50 / 10cm; and, adding substance b (simethicone) and photoresponsive filler (carbon nanomaterial) to polymer a (polydimethylsiloxane) Form a mixture; the quality of simethicone is 15% of polydimethylsiloxane; the quality of carbon nanomaterial is 1% of polydimethylsiloxane;
[0065] (2) Apply the mixture prepared in step (1) to the surface of the glass plate that arranges the fibers / yarns by scraping, and ensure that the fibers / yarns are completely soaked and wrapped by the mixture, and put into an oven at 60 Curing at ℃ for 4 hours to form a film, forming an extraction layer with a thickness of 1.8mm (after the subsequent film is extracted in a solvent, the extraction layer will become an active layer);
[0066...
Embodiment 2
[0072] A preparation method of a light-driven expandable flexible mechanism, the specific steps are:
[0073] (1) The thermal expansion coefficient of parallel and uniform arrangement on the glass plate is 4×10 -6 ℃ -1The glass fiber filaments with an arrangement density of 70 / 10cm; and, adding substance b (simethicone) and photoresponsive fillers (gold nanoparticles) to polymer a (polyvinylidene fluoride) to form a mixture; dimethyl The mass of base silicone oil is 19% of polyvinylidene fluoride; the mass of gold nanoparticles is 3% of polyvinylidene fluoride;
[0074] (2) Apply the mixture prepared in step (1) to the surface of the glass plate where the fibers / yarns are arranged by scraping, and ensure that the fibers / yarns are completely soaked and wrapped by the mixture, and put into an oven at 65 Cured at ℃ for 4 hours to form a film, forming an extraction layer with a thickness of 1.9 mm (after the subsequent film is extracted in a solvent, the extraction layer will be...
Embodiment 3
[0081] A preparation method of a light-driven expandable flexible mechanism, the specific steps are:
[0082] (1) The thermal expansion coefficient of parallel and uniform arrangement on the glass plate is 4×10 -6 ℃ -1 The glass fiber filaments with an arrangement density of 80 / 10cm; and, adding substance b (simethicone) and photoresponsive fillers (silver nanoparticles) to polymer a (polymethyl methacrylate) to form a mixture; The quality of simethicone is 22% of polymethyl methacrylate; the quality of silver nanoparticles is 4% of polymethyl methacrylate;
[0083] (2) Apply the mixture prepared in step (1) to the surface of the glass plate where the fibers / yarns are arranged by scraping, and ensure that the fibers / yarns are completely soaked and wrapped by the mixture, and put into an oven at 70 Cure at ℃ for 3 hours to form a film, forming an extraction layer with a thickness of 2 mm (after the subsequent film is extracted in a solvent, the extraction layer will become an...
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