The mechanism of antibacterial finishing of textiles

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Antibacterial finishing of textiles Antibacterial fabrics

1. Mechanism of antibacterial finishing of fabrics

Antibacterial fabrics Finishing is based on three mechanisms: controlled release; the regeneration principle; and barrier or blocking action.

1.1 Controlled release: Antibacterial-finished fabrics release antibacterial agents in a controlled manner at a certain temperature and humidity at a rate sufficient to kill or Inhibits the growth of bacteria or fungi.

1.2 Regeneration principle: When the fabrics treated with special antibacterial finishing agents are washed or irradiated by rays, the covalent bonds between the finishing agents and fibers on the fabrics are broken and continue to Bactericides are regenerated from the ground to achieve sustained antibacterial effects.

1.3 Barrier or blocking effect: Preventing microorganisms from passing through the fabric by forming an inert physical barrier layer or coating on the fabric; or coating the fabric The membrane with direct surface contact activity, when bacteria come into contact with the antibacterial finishing agent, destroys the metabolism of the cell wall through adsorption and other effects, preventing the growth of bacteria.

2. From a bacteriological point of view, antibacterial finishing agents can achieve bacteriostatic or sterilizing purposes through the following ways:

2.1 Chemically react with proteins in bacterial cells to destroy their functions;

2.2 Make various proteins in bacterial cells Metabolic inactivation, thereby killing bacteria;

2.3 Inhibit the production of robes, block DNA synthesis, and inhibit their growth;

2.4 Destroy the energy release system in cells;

2.5 Accelerate the phosphate redox system and disrupt the normal growth system of cells ;

2.6 Through charge adsorption, the cell wall of bacteria is broken, thereby killing bacteria;

2.7 Hinder the generation of electron transfer system and amino acid transesterification.

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