Slightly alkaline low-corrosion peroxyacetic acid effervescent tablet disinfectant

Abstract

The invention discloses a slightly alkaline low-corrosion peroxyacetic acid effervescent tablet disinfectant which can be more easily stored and transported and is capable of enabling a prepared peroxyacetic acid solution to be more stable and be smaller in corrosivity. The slightly alkaline low-corrosion peroxyacetic acid effervescent tablet disinfectant is prepared from tetraacetyl ethylenediamine, peroxides, an effervescent disintegrant, a surfactant, an adhesive, a coating membrane, a stabilizer, a corrosion inhibitor and a peroxyacetic acid concentration indicator.

Description

technical field [0001] The invention relates to a weakly alkaline and low-corrosion peracetic acid effervescent tablet 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...

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 Corrosiveness problem, but did not control the pH value of the solution, (peroxides and acyl compounds need to be under weak alkaline conditions to generate peracetic acid, and when the alkalinity is too strong, the generated peracetic acid decomposes quickly, resulting in less utilization)

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 formulation 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 the corrosiveness is still somewhat high

[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 object to be disinfected.

[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

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