A kind of hydrogel seaweed fiber and preparation method thereof
A technology of hydrogel seaweed and seaweed fiber, which is applied in the fields of fiber chemical characteristics, wet spinning method, pharmaceutical formula, etc. It can solve the problems of poor application of wound cleaning and care, low fiber strength, and long gelation time, etc. problem, achieve the effect of inhibiting Staphylococcus aureus, improving three-dimensional porous structure, improving wet strength and flexibility
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Embodiment 1
[0032] A preparation method of hydrogel seaweed fiber, comprising the following steps:
[0033](1) Clean the kelp salvaged in seawater with clear water, dry it in an oven at a constant temperature of 60°C until the weight percentage of water is 18%, take it out and pulverize it and pass through a 50-mesh sieve to obtain kelp powder; weigh 30g of kelp powder, put the weighed kelp into a beaker, add 1L of 3% sodium hydroxide solution to the beaker, soak for 6h, filter, remove the filtrate, and add 200mL of purified water to the beaker containing the soaked kelp , put the beaker in a water-bath shaking pot at 70°C for 60 minutes, take it out and cool it to room temperature, and then store the beaker in a refrigerator at 4°C for 10 hours; take the beaker out of the refrigerator, and adjust the pH with 5% hydrochloric acid to 4.2, then transfer the beaker to an ultrasonic oscillator, use 180W power, sonicate for 50 minutes, centrifuge, and collect the supernatant; add a mass fracti...
Embodiment 2
[0041] A preparation method of hydrogel seaweed fiber, comprising the following steps:
[0042] (1) Clean the kelp salvaged in seawater with clear water, dry it in an oven at a constant temperature of 60°C until the weight percentage of water is 15%, take it out and pulverize it and pass through a 50-mesh sieve to obtain kelp powder; weigh 35g of kelp powder, put the weighed kelp into a beaker, add 1L of 5% sodium hydroxide solution to the beaker, soak for 8 hours, filter, remove the filtrate, and add 250mL of purified water to the beaker containing the soaked kelp , put the beaker in a water-bath shaking pot at 80°C for 50 minutes, take it out and cool it to room temperature, then store the beaker in a refrigerator at 4°C for 8 hours; take the beaker out of the refrigerator, and adjust the pH with 4% hydrochloric acid to 4.4, then transfer the beaker to an ultrasonic oscillator, use 220W power, sonicate for 50 minutes, centrifuge, and collect the supernatant; add a mass fract...
Embodiment 3
[0050] A preparation method of hydrogel seaweed fiber, comprising the following steps:
[0051] (1) Clean the kelp salvaged in seawater with clear water, dry it in an oven at a constant temperature of 60°C until the weight percentage of water is 20%, take it out and pulverize it and pass through a 50-mesh sieve to get kelp powder; weigh 40g of kelp powder, put the weighed kelp into a beaker, add 1L of 4% sodium hydroxide solution to the beaker, soak for 8 hours, filter, remove the filtrate, and add 300mL of purified water to the beaker containing the soaked kelp , put the beaker in a water-bath shaking pot at 70°C for 60 minutes, take it out and cool it to room temperature, then store the beaker in a refrigerator at 4°C for 12 hours; take the beaker out of the refrigerator, and adjust the pH with 3% hydrochloric acid to 4.4, then transfer the beaker to an ultrasonic oscillator, use 200W power, sonicate for 60 minutes, centrifuge, and collect the supernatant; add a mass fractio...
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