Organic antibacterial agent The difference between inorganic antibacterial agent and natural antibacterial agent
Release time:
2024-08-12 10:23
Antimicrobial agents are chemicals that can keep the growth or reproduction of certain microorganisms (bacteria, fungi, yeasts, algae, viruses, etc.) below the necessary level within a certain period of time.
Antibacterial agents are divided into organic, inorganic and natural three. Zinc ion antibacterial agent, compared with silver ion antibacterial, antibacterial activity is slightly worse, but its dispersion and compatibility with plastics, stability are better.
1. organic antibacterial agents are acylanilines, imidazoles, thiazoles, isothiazolone derivatives, quaternary ammonium salts, diquats, phenols, vanillin or ethyl vanillin compounds with antibacterial action. Mainly by adding to the plastic, by migrating to the plastic surface, play a sustained bactericidal effect. However, organic antibacterial agents, when applied to different varieties of plastics, need to consider its compatibility.
There are many types of organic antibacterial and mildew-proof products, such as polyurethane, silicone resin, polyolefin, polyester, etc.
2. inorganic antibacterial agent uses silver and zinc metal ions with antibacterial and bactericidal function to attach to porous material carriers such as glass, zeolite and ceramics. Metal ions with antibacterial effect are adsorbed on the surface of the carrier. When antibacterial is added to plastic, antibacterial will form a layer of metal ion distribution layer of antibacterial agent on the plastic surface, or slowly release to the plastic surface through migration. Silver ions, silver zinc ions in antibacterial agent interact with bacterial film, play the role of antibacterial and bacteriostatic. It is the dominant type of antibacterial agent currently on the market.
3. natural antibacterial agents are mainly extracted from natural plants, such as chitin, mustard, castor oil, horseradish, etc. It is easy to use, but it has limited antibacterial effect, poor heat resistance, low sterilization rate, and cannot be used for broad-spectrum long-term and in small quantities.
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