Carbon fiber-based intelligent fabric and preparation method thereof
A carbon fiber and carbon fiber material technology, applied in the field of strain sensing materials, can solve the problems of poor bonding force and unsatisfactory sensitivity of flexible strain sensors.
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[0034] The second aspect of the present invention also proposes a method for preparing the above-mentioned carbon fiber-based smart fabric. The preparation method includes the following steps:
[0035] The carbon fiber dispersion preparation step comprises dispersing the carbon fibers in an organic solvent and adding water to obtain a carbon fiber dispersion;
[0036] The resin-coated carbon fiber material preparation step is to mix the coated resin monomer with the carbon fiber dispersion to react, and dry to constant weight to obtain the resin-coated carbon fiber material;
[0037] The functional slurry preparation step is to mix the resin-coated carbon fiber material with the interface bonding material to prepare the functional slurry;
[0038] The preparation step of the carbon fiber-based smart fabric includes arranging the functional slurry on the fabric through a foam method, and preparing the carbon fiber-based smart fabric after curing.
[0039] The preparation metho...
Embodiment 1
[0053] Disperse 10g of short carbon fibers in 100mL of petroleum ether, drop 1mL of Span-80 at the same time, stir magnetically until uniformly dispersed, and heat up the dispersion solution to 60°C for 1.0h to form a uniform short carbon fiber dispersion.
[0054] 1 g of toluene-2,4-diisocyanate was added to the short carbon fiber dispersion and mixed. After reacting for 1 hour, the obtained solid was dried to a constant weight to obtain a polyurea resin-coated carbon fiber.
[0055] Mix polyurea resin-coated carbon fiber with anionic water-based polyurethane at a mass ratio of 8:2, and form a uniform solution by magnetic stirring to obtain a functional slurry.
[0056] Put the nylon spandex elastic fabric in a Soxhlet extractor containing acetone solution, gradually increase the temperature of the acetone solution from 0°C to 50°C, and circulate and reflux at 50°C for 2 hours, then dry the nylon spandex elastic fabric Pretreated nylon spandex elastic fabric.
[0057] The fu...
Embodiment 2
[0066] Disperse 10g of short carbon fibers in 200mL of petroleum ether, drop in 3mL of Span-80 at the same time, magnetically stir until uniformly dispersed, and heat up the dispersion solution to 40°C for 0.5h to form a uniform short carbon fiber dispersion.
[0067] 1.5 g of toluene-2,4-diisocyanate was added to the short carbon fiber dispersion and mixed. After reacting for 1 hour, the obtained solid was dried to a constant weight to obtain a polyurea resin-coated carbon fiber.
[0068] Mix polyurea resin-coated carbon fiber with anionic water-based polyurethane at a mass ratio of 7:3, and form a uniform solution by magnetic stirring to obtain a functional slurry.
[0069] Put the nylon spandex elastic fabric in a Soxhlet extractor containing acetone solution, gradually increase the temperature of the acetone solution from 0°C to 70°C, and circulate and reflux at 70°C for 5 hours, then dry the nylon spandex elastic fabric Pretreated nylon spandex elastic fabric.
[0070] T...
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