Washable super-hydrophobic cotton fabric as well as preparation method and applications thereof
A super-hydrophobic, washing-resistant technology, applied in the direction of separation methods, chemical instruments and methods, textiles and papermaking, etc., can solve the problems of loss of super-hydrophobic properties, complex preparation process, harsh conditions, etc. low cost and simple method
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specific Embodiment approach 1
[0032] Specific embodiment one: the preparation method of washing-resistant superhydrophobic cotton cloth in this embodiment is carried out according to the following steps:
[0033]Step 1: Clean the cotton cloth with deionized water, ethanol, and deionized water ultrasonically three times, and then dry it; in step 1, the drying temperature is 50° C., and the drying time is 0.5 h, and it is used for later use.
[0034] Step 2, soak the cotton cloth treated in step 1 in an acetone solution of 0.5g / L epoxy resin for 30min, take it out and dry it at room temperature for 10min;
[0035] Step 3. Soak the cotton cloth treated in Step 2 in an aqueous solution of 2 g / L polyethyleneimine for 30 minutes, and dry it at 50°C for 20 minutes after taking it out;
[0036] Step 4: Ultrasonic disperse 0.5g of epoxidized silicon dioxide in 100mL of deionized water to obtain a silicon dioxide solution, then place the cotton treated in step 3 in the silicon dioxide solution for 30 minutes, take i...
specific Embodiment approach 2
[0045] Specific embodiment two: the preparation method of washing-resistant superhydrophobic cotton cloth in this embodiment is carried out according to the following steps:
[0046] Step 1: Clean the cotton cloth three times with deionized water, ethanol, and deionized water ultrasonically, and then dry it; in step 1, the drying temperature is 60° C., and the drying time is 1 hour, and it is used for later use.
[0047] Step 2, soak the cotton cloth treated in step 1 in an acetone solution of 0.5g / L epoxy resin for 30min, take it out and dry it at room temperature for 10min;
[0048] Step 3. Soak the cotton cloth treated in Step 2 in an aqueous solution of 2 g / L polyethyleneimine for 30 minutes, and dry it at 50°C for 20 minutes after taking it out;
[0049] Step 4: Ultrasonic disperse 0.2g of epoxidized silicon dioxide in 100mL of deionized water to obtain a silicon dioxide solution, then place the cotton treated in step 3 in the silicon dioxide solution for 30 minutes, take...
specific Embodiment approach 3
[0053] Specific embodiment three: the preparation method of washing-resistant superhydrophobic cotton cloth in this embodiment is carried out according to the following steps:
[0054] Step 1: Clean the cotton cloth three times with deionized water, ethanol, and deionized water ultrasonically, and then dry it; in step 1, the drying temperature is 60° C., and the drying time is 1 hour, and it is used for later use.
[0055] Step 2. Soak the cotton cloth treated in step 1 in an acetone solution of 1.0g / L epoxy resin for 30 minutes, take it out and dry it at room temperature for 10 minutes;
[0056] Step 3. Soak the cotton cloth treated in Step 2 in an aqueous solution of 5g / L polyethyleneimine for 30 minutes, and dry it at 50°C for 20 minutes after taking it out;
[0057] Step 4: Ultrasonic disperse 5g of epoxidized silica in 100mL of deionized water to obtain a silica solution, then place the cotton treated in step 3 in the silica solution for 30 minutes, take it out and dry it...
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