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

Active Publication Date: 2022-07-08
JIANGSU UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the technical problems of cumbersome dopamine polymerization process, long polymerization time and poor fabric durability, a one-pot method for preparing stable superhydrophobic antibacterial fabrics is provided

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • One-pot method for preparing stable superhydrophobic antibacterial fabrics
  • One-pot method for preparing stable superhydrophobic antibacterial fabrics
  • One-pot method for preparing stable superhydrophobic antibacterial fabrics

Examples

Experimental program
Comparison scheme
Effect test

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...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Abstract

The invention relates to a method for preparing a stable super-hydrophobic antibacterial fabric by a one-pot method. Add fluorine-free silane modifier, ultrasonically treat and mix evenly to obtain a treatment solution; then soak the washed and dried fabric in the treatment solution, perform ultrasonic treatment, take out the fabric treated with the treatment solution and place it in the treatment solution. Dry in a heated oven; and then repeat the operation for at least 3 times to obtain a stable superhydrophobic antibacterial fabric. The method of the invention is simple and time-saving, shortens the polymerization time of dopamine and simplifies the process, and enables the obtained fabric to have higher durability and better super-hydrophobicity.

Description

technical field [0001] The invention relates to the technical field of fabric surface treatment, in particular to a method for preparing a stable super-hydrophobic antibacterial fabric by a one-pot method. Background technique [0002] The lotus leaf is one of the well-known natural super-hydrophobic surfaces, on which water droplets roll easily and take away the sludge, which has a self-cleaning effect. It has been studied that this is because the nano-scale hydrophobic wax crystals gather together on the micro-convex on the surface of the lotus leaf to form a strong super-hydrophobic property. The superhydrophobicity is determined by the composition of the surface material and the microstructure. Generally, a surface with a contact angle greater than 150°C and a rolling angle less than 10°C is defined as a superhydrophobic surface. In recent years, superhydrophobic fabrics based on soft textiles have attracted attention. Superhydrophobic fabrics not only have excellent w...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06M15/37D06M11/65D06M11/83D06M13/513
CPCD06M15/37D06M11/65D06M11/83D06M13/513D06M16/00D06M2200/12Y02A50/30
Inventor 欧军飞张红亮王法军李长全房新佐雷胜阿里达·阿米法兹力
Owner JIANGSU UNIV OF TECH
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