Preparation method for hydroxyethyl cellulose hemostatic gauze
A technology of hydroxyethyl cellulose and hemostatic gauze, which is applied in ultrasonic/sonic fiber processing, non-woven fabrics, medical science, etc., can solve problems such as increasing surgical risks, endangering life and health, and affecting surgical quality, so as to reduce blood flow Speed, increase water absorption rate, increase the effect of water absorption ratio
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[0014] Example 1:
[0015] Weigh a certain amount of hydroxyethyl cellulose and dissolve it in distilled water, stir evenly to prepare a hydroxyethyl cellulose solution with a concentration of 1wt%, and then place the solution in an ultrasonic treatment device for ultrasonic treatment. The ultrasonic frequency is 30kHz, ultrasonic power of 300W, ultrasonic treatment time of 25min, after ultrasonic treatment, washing with 85% ethanol solution, drying at constant temperature to obtain hydroxyethyl cellulose powder.
[0016] Weigh a certain amount of hydroxyethyl cellulose powder that has been processed by ultrasonic technology and dissolve it in distilled water, stir it evenly, and prepare a hydroxyethyl cellulose solution with a concentration of 5 wt%, which is the spinning solution, and then the spinning solution It is placed in an electrostatic spinning device for spinning. The spinning process parameters are set as: the inner diameter of the spinneret is 0.4mm, the flow rate of t...
Example Embodiment
[0017] Example 2:
[0018] Weigh a certain amount of hydroxyethyl cellulose and dissolve it in distilled water, stir evenly to prepare a hydroxyethyl cellulose solution with a concentration of 2wt%, and then place the solution in an ultrasonic treatment device for ultrasonic treatment. The ultrasonic frequency is The ultrasonic power is 35kHz, the ultrasonic power is 350W, and the ultrasonic treatment time is 20min. After ultrasonic treatment, it is washed with 85% ethanol solution and dried at constant temperature to obtain hydroxyethylcellulose powder.
[0019] Weigh a certain amount of hydroxyethyl cellulose powder that has been processed by ultrasonic technology and dissolve it in distilled water, stir it evenly, and prepare a hydroxyethyl cellulose solution with a concentration of 5 wt%, which is the spinning solution, and then the spinning solution It is placed in an electrostatic spinning device for spinning. The spinning process parameters are set as: the inner diameter of ...
Example Embodiment
[0020] Example 3:
[0021] Weigh a certain amount of hydroxyethyl cellulose and dissolve it in distilled water, stir evenly to prepare a hydroxyethyl cellulose solution with a concentration of 2wt%, and then place the solution in an ultrasonic treatment device for ultrasonic treatment. The ultrasonic frequency is The ultrasonic power is 35kHz, the ultrasonic power is 350W, and the ultrasonic treatment time is 20min. After ultrasonic treatment, it is washed with 85% ethanol solution and dried at constant temperature to obtain hydroxyethylcellulose powder.
[0022] Weigh a certain amount of hydroxyethyl cellulose powder treated by ultrasonic technology and dissolve it in distilled water, stir evenly, and prepare a hydroxyethyl cellulose solution with a concentration of 10 wt%, which is the spinning solution, and then the spinning solution It is placed in an electrostatic spinning device for spinning. The spinning process parameters are set as: the inner diameter of the spinneret is 0...
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