One-pot method for preparing stable superhydrophobic antibacterial fabrics
A kind of antibacterial fabric and super-hydrophobic technology, which is applied in the direction of resistance to media-borne diseases, textiles and papermaking, and liquid-repellent fibers. It can solve the problems of poor durability of fabrics, cumbersome polymerization process of dopamine, and long polymerization time. Effects of superhydrophobicity, shortened polymerization time, and simplified process
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Embodiment 1
[0028] The one-pot method for preparing stable superhydrophobic antibacterial fabric includes the following steps:
[0029] (1) Dopamine hydrochloride and silver nitrate are added in 50mL of dehydrated alcohol, so that the mass concentration of dopamine hydrochloride in dehydrated alcohol is 6mg / mL, and the mass concentration of silver nitrate in dehydrated alcohol is 4.8mg / mL, after sonicating for 1 min and mixing, adjust the pH to 8.5 with 1M, pH=8 Tris-HCl buffer solution, then add 100 μL of hexadecyltrimethoxysilane, ultrasonically treat for 5 min and mix well to obtain the treatment solution;
[0030] (2) Wash the fabric with deionized water and ethanol respectively, and then place it in an oven at 60 ° C to dry; soak the cleaned and dried fabric in the above-mentioned treatment solution, ultrasonically treat it for 5min, and take out the treatment solution after the above-mentioned treatment solution. The fabric was dried in an oven at 100 °C; then the stable superhydro...
Embodiment 2
[0058] The one-pot method for preparing stable superhydrophobic antibacterial fabric includes the following steps:
[0059] (1) Dopamine hydrochloride and silver nitrate are added in 50mL of dehydrated alcohol, so that the mass concentration of dopamine hydrochloride in dehydrated ethanol is 6mg / mL, and the mass concentration of silver nitrate in dehydrated ethanol is 4.2mg / mL, after sonicating for 1 min and mixing, adjust the pH to 8.3 with 1M, pH=8 Tris-HCl buffer solution, then add 100 μL hexadecyltrimethoxysilane, ultrasonically treat for 5 min and mix well to obtain the treatment solution;
[0060] (2) Wash the fabric with deionized water and ethanol respectively, and then place it in an oven at 75 ° C for drying; soak the cleaned and dried fabric in the above-mentioned treatment solution, ultrasonically treat it for 5min, and take out the treatment solution after the above-mentioned treatment solution. The fabric was dried in an oven at 80 °C; then the stable superhydro...
Embodiment 3
[0063] The one-pot method for preparing stable superhydrophobic antibacterial fabric includes the following steps:
[0064] (1) Dopamine hydrochloride and silver nitrate are added in 50mL of dehydrated alcohol, so that the mass concentration of dopamine hydrochloride in dehydrated ethanol is 6mg / mL, and the mass concentration of silver nitrate in dehydrated ethanol is 4.2mg After sonicating for 1 min and mixing, adjust the pH to 9 with 1M, pH=8 Tris-HCl buffer solution, then add 100 μL hexadecyltrimethoxysilane, sonicate for 5 min and mix to obtain the treatment solution;
[0065] (2) Wash the fabric with deionized water and ethanol respectively, and then place it in an oven at 90 ° C for drying; soak the cleaned and dried fabric in the above-mentioned treatment solution, ultrasonically treat it for 5 min, and take out the treated solution. The fabric was dried in an oven at 90 °C; then the stable superhydrophobic antibacterial fabric was obtained after repeating the operation...
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