When the basic conditions such as nutrients, moisture, oxygen and the right temperature are in place, textiles are excellent media for the growth of microorganisms. Their large surface area facilitates the growth of microorganisms. In order to reduce the harm of harmful microorganisms to people and prevent the spread between people, people and animals, and animals and animals, we must artificially control the growth and reproduction of microorganisms in textiles [1]. Durable antibacterial finishing is a very effective method. It can reduce the odor produced by microbial degradation of fabrics, kill or inhibit bacteria, reduce harm to the human body, and play a health care role. However, the ideal antibacterial finishing and its process should meet the following conditions: non-toxic, not causing skin allergies or discomfort; not affecting the performance or appearance of textiles; compatible with conventional processing techniques and resistant to multiple washings. The finishing process must be environmentally friendly, and the inherent functions of the finishing agent must be maintained after finishing. The finished product must be durable and retain the required functions and wearability of the fabric.
Antibacterial mechanism
There are several ways for antibacterial agents to inhibit or kill bacteria. Different types of antibacterial agents have different antibacterial mechanisms, which can be summarized as follows:
(1) Inactivate various metabolisms in bacterial cells and kill bacteria;
(2) Chemically react with proteins in cells and destroy their functions;
(3) Inhibit sporulation, block DNA synthesis, and inhibit cell growth;
(4) Accelerate the phosphoric acid chloride reduction system and disrupt the normal growth system of cells;
(5) Destroy the energy release system in cells﹔
(６)Hinder the electron transfer system and the process of amino acid transesterification﹔
(7) Through the adsorption of electrostatic field, the cell wall is destroyed and the bacteria are killed.
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