A fibrous pressure luminescent sensor and its preparation method and application
A fibrous sensor technology, applied in the direction of instruments, measuring force, measuring devices, etc., can solve the problems of unrealized devices and achieve the effects of low detection limit, high sensitivity, and high cycle stability
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Embodiment 1
[0027] (1) Preparation of fiber template: A 50-cm-long copper wire (50 μm in diameter) was wound to a 20-cm-long stainless steel wire (100 μm in diameter) to form a fiber template with a helical structure (see figure 1 );
[0028] (2) Configuration of zinc sulfide and polydimethylsiloxane mixture: mix 4.5 grams of polydimethylsiloxane prepolymer, 0.5 grams of crosslinking agent and 5 grams of zinc sulfide luminescent powder, Degassing in the oven (see figure 1 );
[0029] (3) Preparation of zinc sulfide and polydimethylsiloxane composite hollow fiber with uniaxial orientation structure: Dip the template prepared in step (1) with the mixture configured in step (2), and then put it in 160°C Cured in an oil bath for 30 seconds. Then put it into 0.1 mg / mL ferric trichloride acetone solution for ultrasonication for 2 hours, take it out and put it in ethanol, wash it in deionized water, and dry it in an oven at 80°C for 30 minutes. Form composite hollow fibers with uniaxially or...
Embodiment 2
[0032] (1) Preparation of fiber template: 50 cm long metal iron fiber (10 microns in diameter) is wound to 20 cm long metal iron fiber (50 microns in diameter) to form a fiber template of helical structure;
[0033] (2) Configuration of zinc sulfide and polydimethylsiloxane mixture: Mix 4.5 grams of polydimethylsiloxane prepolymer, 0.5 grams of crosslinking agent and 10 grams of zinc sulfide luminescent powder, Remove air bubbles in the oven;
[0034] (3) Preparation of zinc sulfide and polydimethylsiloxane composite hollow fiber with uniaxial orientation structure: Dip the template prepared in step (1) with the mixture configured in step (2), and then put it in 120°C Cured in an oil bath for 90 seconds. Then put it into 0.5 mg / ml ferric trichloride acetone solution for ultrasonication for 1 hour, take it out and put it in ethanol, wash it in deionized water, and dry it in an oven at 80°C for 60 minutes. Obtain hollow composite fiber;
[0035] (4) Preparation of a fibrous p...
Embodiment 3
[0037](1) Preparation of fiber template: 50 cm long polyvinyl alcohol fiber (100 micron in diameter) is wound to 20 cm long metal iron fiber (500 micron in diameter) to form a fiber template of thread structure;
[0038] (2) Configuration of zinc sulfide and polydimethylsiloxane mixture: mix 4.5 grams of polydimethylsiloxane prepolymer, 0.5 grams of crosslinking agent and 15 grams of zinc sulfide luminescent powder, Remove air bubbles in the oven;
[0039] (3) Preparation of zinc sulfide and polydimethylsiloxane composite hollow fiber with uniaxial orientation structure: Dip the template prepared in step (1) with the mixture configured in step (2), and then put it in 140°C Cured in an oil bath for 90 seconds. Then put it into the aqueous solution for ultrasonication for 4 hours, take it out, put it in ethanol, wash it in deionized water, and dry it in an oven at 80°C for 10 minutes. Obtain hollow composite fiber;
[0040] (4) Preparation of fibrous piezoluminescence sensor:...
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