Sterilization disinfectant and application thereof

A technology of disinfectant and stabilizer, which is applied in the field of halogenated dialkyl hydantoin sterilization and disinfectant, can solve the problems of low solubility of halogenated dialkyl hydantoin, and achieves improved sterilization effect, less damage to articles, and less corrosiveness Effect

Inactive Publication Date: 2008-08-06
NANJING TECH UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to propose an aqueous solution of halogenated dialkylhydantoin with a greatly increased content of active ingredients and excellent solubility and bactericidal effect in view of the low solubility of halogenated dialkylhydantoin in water. Aqueous solution bactericidal disinfectant and its application

Method used

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  • Sterilization disinfectant and application thereof
  • Sterilization disinfectant and application thereof
  • Sterilization disinfectant and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 11

[0039] The bactericidal test of each formula of embodiment 11

[0040] With each prescription sterilizing and disinfecting aqueous solution liquid preparation active ingredient, with Bacillus subtilis black variety spore (6.3×10 6 cuf / mL) is the test bacteria, and the suspension quantitative bactericidal test is carried out.

[0041] Test method: The test adopts the plate colony counting method of microorganisms. Firstly, the test bacteria were made into a bacterial suspension, and a certain concentration of fungicide was added. After acting for a period of time, 0.1 mL was placed in a petri dish containing a culture medium, and the petri dish was placed upside down in a 37°C incubator, and cultured for 24 hours. The number of surviving colonies in each Petri dish.

[0042] Test result: each formula aqueous solution preparation is to Bacillus subtilis black varietal spore (6.3 * 10 6 cuf / mL) and Staphylococcus aureus (1.3×10 7 cuf / mL) are shown in Table 2-Table 4.

Embodiment 4

[0044] The bactericidal rate of table 2 embodiment 4 to Bacillus subtilis black varietal spore

[0045]

Embodiment 7

[0046] Table 3 embodiment 7 is to the bactericidal rate of Bacillus subtilis black varietal spore

[0047]

[0048] The bactericidal rate of table 4 sodium dichloroisocyanurate to Bacillus subtilis black var.

[0049]

[0050]

[0051] Excerpted from "Chinese Journal of Disinfection", Volume 20, Issue 3, 2003

[0052] The bactericidal rate of table 5 bromochlorohydantoin to Bacillus subtilis black var. spores

[0053]

[0054] Excerpted from "Chinese Journal of Disinfection", Issue 4, Volume 18, 2001

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Abstract

The present invention relates to naturally degradable environment friendly halogen-containing disinfectant, and is especially disinfectant of halogeno dialkyl hydantoin aqua and its application. In room temperature, halogeno dialkyl hydantoin, stabilizer, solubilizer and and / or synergist in certain weight proportion are mixed and dissolved in water to form the liquid preparation. The liquid preparation has raised water solubility of halogeno dialkyl hydantoin and excellent disinfecting effect. The liquid preparation may be used in industrial cooling water, industry waste water, air conditioner cooling water and swimming pool water, especially oil field refilling water, as well as daily life.

Description

Technical field: [0001] The invention relates to a halogen-containing bactericidal disinfectant and its application, in particular to a halogenated dialkyl hydantoin bactericidal disinfectant and its application. Background technique: [0002] Halogenated dialkyl hydantoin is a new type of oxidizing disinfectant with high efficiency, broad spectrum, fast and safe among recently developed hydantoin disinfectants. Compared with trichloroisocyanuric acid, sodium dichloroisocyanurate, and chlorine dioxide Other halogen-containing disinfectants have the advantages of high effective halogen content, low odor, good stability, moderate effect, no irritation to skin and mucous membranes, moderate price, etc., and it can be destroyed by light, oxygen, microorganisms, etc. under natural conditions. It decomposes into ammonia and carbon dioxide in a short period of time, will not pollute the environment due to residues, and has a strong effect of killing fungi, bacteria and viruses. It...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N47/28A01P1/00A01P3/00
Inventor 崔群秦娟姚虎卿王海燕
Owner NANJING TECH UNIV
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