Elastic yarn with nano composite functional material attached to surface and preparation method of flexible fabric sensor
A technology of elastic yarns and functional materials, applied in fabrics, instruments, textiles, etc., can solve the problems of poor bonding between materials and fabric substrates, complicated preparation processes, and high environmental requirements, and achieve simple, fast, and high-efficiency dip-dyeing and weaving processes. Effect of sensitivity and wide detection range
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[0035] A method for preparing elastic yarn with nanocomposite functional material attached to the surface, such as figure 1 and figure 2 shown, including the following steps:
[0036] S1. Prepare a carbon nanomaterial dispersion, dissolve the carbon nanomaterial with super flexibility and mechanical properties (mass fraction of 0.01%-0.2%) into the dispersant, and ultrasonicate it for 0.1-2h under the power of 50-300w to make it Mix well to prepare a uniform dispersion of carbon nanomaterials of 1-1.5 mg / ml. Among them, the carbon nanomaterials can be carbon nanotubes, graphene, reduced graphene oxide RGO, etc., and the dispersants can be anhydrous ethanol, N,N-dimethylformamide, cyclohexane, and the like.
[0037] S2. Prepare an elastic high polymer solution, dissolve the elastic high polymer (mass fraction of 0.2%-2%) into a dispersant, stir for 0.1-3 hours, and configure to obtain an elastic high polymer solution of 10-15 mg / ml. The elastic high polymer can be TPU, TPE,...
Embodiment 1
[0049] A method for preparing elastic yarn with nano-composite functional materials attached to the surface, comprising the following steps:
[0050] S1. Dissolve carbon nanomaterials with a mass fraction of 0.01% into a dispersant, and ultrasonicate for 0.1-2 hours at a power of 50-300w to make them fully mixed to prepare a uniform dispersion of 1 mg / ml carbon nanomaterials.
[0051] S2. Dissolve the elastic high polymer with a mass fraction of 0.2% into the dispersant, stir for 0.1 to 3 hours, and configure to obtain a 10 mg / ml elastic high polymer solution.
[0052] S3, fully mixing and stirring the above-mentioned carbon nanomaterial dispersion liquid and the above-mentioned elastic polymer solution for 0.5-2h, and ultrasonicating for 0.1-2h at a power of 100-300W to prepare a uniformly dispersed nanocomposite functional material.
[0053] S4, soak the elastic yarn in ethanol solution for 1-60min for pretreatment.
[0054] S5. Pass the pretreated elastic yarn at a certain...
Embodiment 2
[0062] A method for preparing elastic yarn with nano-composite functional materials attached to the surface, comprising the following steps:
[0063] S1. Dissolve carbon nanomaterials with a mass fraction of 0.2% into a dispersant, and ultrasonicate for 0.1-2 hours at a power of 50-300w to make them fully mixed to prepare a uniform dispersion of carbon nanomaterials of 1 mg / ml.
[0064] S2. Dissolve the elastic high polymer with a mass fraction of 2% into the dispersant, stir for 0.1 to 3 hours, and configure to obtain a 10 mg / ml elastic high polymer solution.
[0065] S3, fully mixing and stirring the above-mentioned carbon nanomaterial dispersion liquid and the above-mentioned elastic polymer solution for 0.5-2h, and ultrasonicating for 0.1-2h at a power of 100-300W to prepare a uniformly dispersed nanocomposite functional material.
[0066] S4, soak the elastic yarn in ethanol solution for 1-60min for pretreatment.
[0067] S5. Pass the pretreated elastic yarn at a certain...
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