Medical spandex strap
A technology of strapping and spandex, applied in the direction of textile, fabric, fiber type, etc., can solve the problems of general performance and easy breakage of spandex strapping, and achieve the effect of excellent tensile strength, good antibacterial performance, and improved performance.
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[0015] Example 1
[0016] A medical spandex strap woven by modified spandex fiber and bamboo fiber in a mass ratio of 5:2.
[0017] Further, the method for preparing the modified spandex fiber is:
[0018] Soak the spandex fiber in sodium hydroxide solution at 50℃ for 20min, then ultrasonic treatment for 1min, then filter, clean with deionized water, dry to constant weight, and place the spandex fiber in a vacuum reactor protected by an inert gas atmosphere , Then continue to pass in the mixed gas of dichloromethane and isocyanate at 70°C for 3 hours, then continue to pass in water vapor, keep it warm for 1 hour, then take it out, and then put it in the coupling agent solution soak for 30 minutes, then filter , Use deionized water to clean, dry to constant weight, ready.
[0019] Further, the pH of the sodium hydroxide solution is 10.
[0020] Further, the ultrasonic frequency is 30kHz, and the power is 700W.
[0021] Further, the inert gas is neon gas.
[0022] Further, the volume rati...
Example Embodiment
[0025] Example 2
[0026] A medical spandex strap woven by modified spandex fiber and bamboo fiber in a mass ratio of 5:3.
[0027] Further, the method for preparing the modified spandex fiber is:
[0028] Soak the spandex fiber in sodium hydroxide solution at 50℃ for 20min, then ultrasonic treatment for 1min, then filter, clean with deionized water, dry to constant weight, and place the spandex fiber in a vacuum reactor protected by an inert gas atmosphere , Then continue to pass in the mixed gas of dichloromethane and isocyanate at 70°C for 3 hours, then continue to pass in water vapor, keep it warm for 1 hour, then take it out, and then put it in the coupling agent solution soak for 30 minutes, then filter , Use deionized water to clean, dry to constant weight, ready.
[0029] Further, the pH of the sodium hydroxide solution is 10.
[0030] Further, the ultrasonic frequency is 30kHz, and the power is 700W.
[0031] Further, the inert gas is neon gas.
[0032] Further, the volume rati...
Example Embodiment
[0035] Example 3
[0036] A medical spandex strap woven by modified spandex fiber and bamboo fiber in a mass ratio of 5:2.3.
[0037] Further, the method for preparing the modified spandex fiber is:
[0038] Soak the spandex fiber in sodium hydroxide solution at 50℃ for 20min, then ultrasonic treatment for 1min, then filter, clean with deionized water, dry to constant weight, and place the spandex fiber in a vacuum reactor protected by an inert gas atmosphere , Then continue to pass in the mixed gas of dichloromethane and isocyanate at 70°C for 3 hours, then continue to pass in water vapor, keep it warm for 1 hour, then take it out, and then put it in the coupling agent solution soak for 30 minutes, then filter , Use deionized water to clean, dry to constant weight, ready.
[0039] Further, the pH of the sodium hydroxide solution is 10.
[0040] Further, the ultrasonic frequency is 30kHz, and the power is 700W.
[0041] Further, the inert gas is neon gas.
[0042] Further, the volume ra...
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