Abstract
In recent years, nanomaterials have been widely used in sports equipment, and their application in sportswear has also attracted wide attention. This research mainly discusses the application of nanomaterial antibacterial technology in the design of antibacterial fabrics for sports apparel. The method of adding nano‐TiO2 to the antibacterial textiles varies with the type of fiber or fabric, and the finishing method also changes accordingly. For chemical fibers, the method of blending spinning is mainly used. By adding nano‐antibacterial particles in the spinning solution, the polymer is ejected from the spinneret to make antibacterial fibers. This processing method is characterized by good antibacterial durability. The preparation of antimite finishing agent is mainly the dispersion of nanopowder. The selection of the best dispersant is mainly determined by measuring the change of the volume sedimentation rate of TiO2 after 5 days under different dosage and pH value of each dispersant. Then, the particle size of nano‐TiO2 and Ag in different dispersing conditions was tested by TEM, and finally, the best dispersing agent and dispersing process were determined. The optimum of nano‐antimite and antibacterial finishing agent is as follows: the dispersing agent is TW‐80, the amount of anhydrous ethanol in dispersing medium is 5 times that of powder, the amount of dispersing agent is 1.5 times that of powder, the pH value is 7, and the stirring time is not less than 30 min. In the preparation of nano‐antimite and antibacterial finishing agent, nanomaterials were used. The weight of nano‐TiO2 powder was 20 grams and that of Ag was 20 grams. The dispersion medium (absolute ethanol) was 100 mL of dispersant. The amount of TW‐80 was 30 g, the amount of citric acid was 60 g, the emulsion was very stable, and there was only a small amount of precipitation after being static for 5 days. Considering the characteristics of silk knitted fabric, this experiment uses the exhaustion method in the finishing process to finish the silk knitted fabric. After 50 times of washing, the antibacterial rate of Staphylococcus aureus and Escherichia coli reached 95.13% and 87.44%, respectively. This study provides guidance for the application of nanomaterials in the antibacterial field of sports clothing.
Highlights
With the continuous improvement of people’s living standards, people began to develop functional products that can inhibit the reproduction of microorganisms or kill bacteria, that is, fibers and textiles that can prevent bacteria and odors
When the dosage of the composite finishing agent is 0.5%, the TiO2 : Ag ratio is 1 : 3, 1 : 2, and 1 : 1, and the finished fabrics are numbered #1, #2, and #3. at is to say, the household alkaline detergent polyoxyethylene alkyl ether and α-olefin yellow sodium are compounded in a ratio of 9 : 1. After 20 washings, the antibacterial effect was measured by the shaking flask method
TiO2 is a kind of inorganic antibacterial agent; because of its long-lasting and broad-spectrum antibacterial properties, it does not produce drug resistance and has the advantages of thorough sterilization and no toxic side effects to the human body
Summary
With the continuous improvement of people’s living standards, people began to develop functional products that can inhibit the reproduction of microorganisms or kill bacteria, that is, fibers and textiles that can prevent bacteria and odors. With the improvement of people’s living standards, the pursuit of quality of life tends to be environmentally friendly and healthy, so new antibacterial clothing fabrics are widely used. Nano-Ag/TiO2 inorganic antibacterial powder with both advantages was selected to finish cotton fabric, and a kind of cotton fabric with antibacterial function was studied, which can be used as sports clothing fabric, and widely used as medical substrate. It provides theoretical and experimental basis for the application of the antibacterial powder in the textile field
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