Antibacterial agents refer to chemical substances that can keep the growth or reproduction of certain microorganisms (yeast, bacteria, fungi, algae and viruses, etc.) below the necessary level for a certain period of time. At present, the common antibacterial agents on the market are: inorganic antibacterial agents, organic antibacterial agents, macromolecular antibacterial agents and natural antibacterial agents. A detailed analysis of these four categories!

1. Inorganic antibacterial agent

Inorganic antibacterial agents are formed by ion exchange, adsorption, alloying or compounding by using antibacterial metals loaded on a certain carrier. At present, titanium-based antibacterial agents and silver-based antibacterial agents are more commonly used. Titanium-based antibacterial agents are mainly based on materials such as TiO2 that can be activated by photocatalysis; silver-based antibacterial agents are currently the most widely used in China. Variety.

2. Organic antibacterial agent

At present, the organic antibacterial agents on the foreign market are mostly organic nitrogen-containing ionic compounds, which are similar in structure to antistatic agents, such as organic iodides, organic chlorides or their complexes, and amino acid metal salts.

3. Polymer antibacterial agent

Antibacterial polymer materials are obtained by introducing antibacterial functional groups. According to different functional groups, they can be divided into quaternary ammonium salt type, quaternary phosphonium salt type, guanidine salt type, pyridine type and organometallic copolymers. It can be introduced by homopolymerization or copolymerization, and can also be introduced by means of grafting.

4. Natural antibacterial agent

Natural antibacterial agents are extracted and refined from animals and plants. At present, the key development is ultra-fine chitosan powder, chitin and so on.

5. Graphene is antibacterial

Graphene antibacterial was created by Hefei Vigon Material Technology. Graphene antibacterial is treated with high-tech nanotechnology, making it have a wider and more efficient antibacterial and sterilizing function, and through the slow-release effect, the long-term antibacterial effect is improved.

Graphene antibacterial application range:

Graphene virus-killing and antibacterial cloth has broad application space and market prospects. It can quickly kill viruses and bacteria in the air and water. It has been widely used in masks and protective equipment, air filters, space sterilization, sanitary protection products and other fields. Applied to functional products such as clothing and fabrics, applied to food, fresh fruit, food sterilization and preservation, applied to sterilization of water and sewage, applied to sterilization and disinfection of equipment, can be used as electrostatic protection material and radiation protection material The spread of the coronavirus-like virus is an effective prevention and control weapon to eliminate the epidemic.