Antibacterial silver ion compound, non-irritant silver ion antibacterial agent as well as preparation method and application of thereof

Abstract

The invention belongs to the technical field of antibiosis, particularly relates to an antibacterial silver ion compound, which further relates to a non-irritant silver ion antibacterial agent as wellas a preparation method and an application thereof. The cationic ions in the antibacterial silver ion compound are coordination cations formed by silver ions and amino acid ligands. The amino acid ligand is selected from amino acid and / or polypeptide, and the anion is selected from one or more of acetate radical, hydrogen phosphate radical, dihydrogen phosphate radical, glycerol hydrogen phosphate radical, glycerol phosphate radical, lactate radical, glycolate radical, tartrate radical, citrate radical and malate radical. The antibacterial silver ion compound disclosed by the invention has good stability and compatibility, does not generate decomposition discoloration after being placed for a long time, does not have unpleasant odor, has good salt tolerance and is non-irritant. The antibacterial agents such as antibacterial liquid, antibacterial gel and the like prepared by taking the antibacterial silver ion compound as an active ingredient have better antibacterial property, are non-irritant and can be in direct contact with a human body.

Description

technical field [0001] The invention belongs to the field of antibacterial technology, and in particular relates to a silver ion compound for antibacterial, and also relates to a nonirritating silver ion antibacterial agent and its preparation method and application. Background technique [0002] Disinfection and antibacterial products can effectively kill microorganisms such as harmful bacteria, fungi and viruses in nature, and effectively protect human health. Therefore, disinfection and antibacterial products have become an indispensable part of people's lives. Disinfection and antibacterial products can be divided into natural antibacterial agents, organic antibacterial agents and inorganic antibacterial agents according to their natural attributes. Silver ions have extremely strong bactericidal properties and are harmless to humans, so silver-based bactericides are commonly used inorganic bactericides. Silver in the silver-based antibacterial agent has two forms of nan...

AI Technical Summary

Problems solved by technology

The silver ion antibacterial agent made of silver nitrate as raw material has the following problems: silver nitrate is unstable, and will decompose after a long time so that the antibacterial effect of silver ions is reduced; nitrate is irritating to the skin and harmful to wound healing Also unfavorable, not conducive to the application in skin care cosmetics

In addition, when antibacterial agents containing silver ions are used in gels, dressings, and fabrics to form antibacterial products, silver ions are easily reduced under ultraviolet light to form black silver precipitates, which not only affect the appearance but also affect the antibacterial effect

[0004] In order to improve the stability of silver ions, ammonia water and silver nitrate are often used to form silver-ammonia complex ions, but the ammoniacal smell of silver-ammonia complex ions is heavy and the salt tolerance is poor; there are no nitrate-free electrolytic silver antibacterial agents on the market. However, the concentration of silver ions is low and the antibacterial effect is poor.