Monoprotic peroxyacetic acid solid granular disinfectant

Abstract

The invention relates to a monoprotic peroxyacetic acid solid granular disinfectant which is easier to store and transport and enables a prepared peroxyacetic acid solution to be more stable, lower in corrosiveness as well as safe, convenient and reliable to use. The monoprotic peroxyacetic acid solid granular disinfectant is prepared from inorganic peroxide, tetraacetyl ethylenediamine, a surface active agent, a PH value regulator, a stabilizer, a corrosion inhibitor and a peroxyacetic acid concentration indicator.

Description

technical field [0001] The invention relates to a monobasic peroxyacetic acid solid particle disinfectant. Background technique [0002] As a traditional disinfection material, the mechanism of action of chlorine-containing disinfection materials is to hydrolyze to generate hypochlorous acid molecules, and use the oxidation of hypochlorous acid molecules to sterilize and disinfect. However, when chlorine-containing disinfectants are used for disinfection, the hypochlorous acid ion (OCL-) decomposed by the hypochlorous acid molecule HCIO is easy to form carcinogenic chloroform (CHCL-) with impurities in water. 3 ) or trichlorophenol, so chlorine-containing disinfectants are rarely used for disinfection, and peroxide disinfectants are commonly used. [0003] Peroxide disinfectant has strong oxidizing ability, various microorganisms are very sensitive to it, and can kill all microorganisms. Such disinfectants include hydrogen peroxide, peracetic acid, chlorine dioxide, and oz...

AI Technical Summary

Problems solved by technology

The former (CN1128257A) mixes the coated tetraacetylethylenediamine and the coated sodium perborate in a certain molar ratio, and then dissolves the mixed solid in a certain amount of normal temperature water to produce peracetic acid. Although it solves the problems of difficult storage, transportation and inconvenient use, the solubility is poor, the preparation speed is slow, and the active ingredients are volatile; the latter (CN15422000A) will contain acetyl activators, inorganic peroxides and surfactants to form solid medicaments , although the production speed of peracetic acid has been accelerated, the problem of poor stability and high corrosiveness of peracetic acid has not been solved

[0006] Chinese patent document 3 (CN102415380A) discloses a kind of solid generating agent that is made up of tetraacetylethylenediamine, inorganic peroxide, anionic surfactant and anticorrosion agent, in this scheme, although solve stability and Corrosion problem, but the pH value of the solution is not controlled. Peroxides and acyl compounds need to be under weakly alkaline conditions to generate peracetic acid, and when the alkalinity is too strong, the generated peracetic acid decomposes quickly, resulting in the use of low rate

Chinese patent document 4 (CN102964285A) discloses a kind of solid generating agent that is made up of acetylsalicylic acid, tetraacetylethylenediamine, sodium percarbonate, surfactant, corrosion inhibitor and pH regulator, in this scheme, although The pH value of the solution is controlled, but there is no requirement for the dosage form process, no peroxide stabilizer is added, there is still a requirement for the temperature of the dissolving water, a mixing step is required, the dissolution rate is slow, and there is no indication of the concentration of peracetic acid

[0010] 2. The existing peracetic acid solid generating agent is a mixture of powder and granules, so it is not easy to mix, it is not convenient for quantitative sampling of small demand, and the use is limited; and it is easy to absorb moisture and agglomerate, which is not conducive to long-term stable storage

[0011] 3. Peracetic acid is a strong oxidant, which is highly corrosive to metals. The use of low-efficiency corrosion inhibitors cannot fully protect the objects to be sterilized, and has severe corrosion effects on metals such as copper and carbon steel.

[0012] 4. Peracetic acid has poor stability and is easy to decompose to release oxygen, which leads to the reduction of effective content. The prior art does not involve the use of peracetic acid stabilizers, so its service life is shorter

[0013] 5. Only when the amount of peracetic acid produced reaches a certain concentration, can the purpose of disinfection for a specific microorganism be achieved within a certain period of time, and the current technology does not mention the concentration indicator of peracetic acid, which is not conducive to its safe use

Images