Application of dibromodimethyl hydantoin as disinfectant

A technology of dibromodimethylhydantoin and dimethylhydantoin, which is applied in the field of application of dibromodimethylhydantoin as a disinfectant, can solve the problem of low solubility, easy decomposition of aqueous solution, and impact on Disinfectant application and other issues, to achieve the effect of increased solubility and fast dissolution speed

Inactive Publication Date: 2004-09-01
SHANGHAI HAIJIN DISINFECTION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The killing effect is good, but its fatal disadvantage is that it has a strong pungent smell, which seriously damages the sterilized items, and the aqueous solution is easy to decompose and unstable, and it is easy to produce carcinogens such as chloroform when used for water disinfection
Dichlorhydantoin and bromochlorohydantoin disinfectants (Zhao Chunlan et al., Chinese Journal of Disinfection, 1999; 16(4): 205-208; Xu Yan, etc., China Disinfection Journal; 1999; 16 (4): 235-237), although the disinfection effect has been improved, their solubility is very small, only about 0.2wt%, which greatly affects their application as a disinfectant in the field of disinfection

Method used

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  • Application of dibromodimethyl hydantoin as disinfectant

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] The production of embodiment 1 dibromohydantoin disinfection powder

[0044] All raw materials are passed through a 60-mesh sieve, and then dried at a temperature of 50-60° C. for 8 hours. After drying, the moisture content is controlled at 0.1%. Then take by weighing 80 kilograms of dibromohydantoin, 14 kilograms of dimethylhydantoin, 24 kilograms of sodium bicarbonate, 30 kilograms of sodium sulfate, and 52 kilograms of sodium carbonate, put into a mixer and mix for 30 minutes, and mix the powder The content measurement of available bromine, measured value 50% is qualified, and this qualified mixed powder is put into packaging machine bagging, and every bag weighs 4 grams, and the available bromine content of every gram is 500mg.

Embodiment 2

[0045] The production of embodiment 2 dibromohydantoin disinfection tablets

[0046] All raw materials are passed through a 60-mesh sieve, and then dried at a temperature of 50-60° C. for 6 hours. After drying, the moisture content is controlled at 0.1%. Then take by weighing 116 kilograms of dibromohydantoin, 24 kilograms of dimethylhydantoin, 12 kilograms of sodium bicarbonate, 2 kilograms of citric acid, 14 kilograms of sodium sulfate, 30 kilograms of sodium hydroxide, 2 kilograms of magnesium stearate, put Put into mixer and mix for 30 minutes, the content measurement of available bromine is carried out to mixed powder, measured value 50% is qualified, the qualified mixed powder is put into tabletting machine tabletting, and the weight of setting every piece is 1 gram (± 5%), simultaneously detect the hardness of the pressed tablet: get 10 pressed tablets, let it fall naturally at 1 meter above the ground, the floor is a wooden floor, if more than 7 pieces are not broken, ...

Embodiment 3

[0047] Example 3 Preparation of disinfectant with dibromohydantoin

[0048] Take 1g of dibromohydantoin, dissolve it in 20ml of acetone solvent, it can be quickly dissolved, and then dilute it 5000 times with distilled water to form a dibromohydantoin disinfectant containing 10mg / L of effective bromine, which can be used for water disinfection.

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Abstract

The present invention utilizes dibromodimethylhydantoin and adds solubilization agent and disintegrating agent to make them into composition, and makes said composition into disinfectant tablet and disinfectant powder, so that the solubility of dibromodimethylhydantoin can be greatly raised, and its dissolving speed is quick. The above-mentioned disinfectant tablet or disinfectant powder can be dissolved in the water, and can be made into disinfectant liquor, and can be used. Its use concentration is effective bromine content 1-3000 mg / L, and its bacteriocidal effect is obviously higher than that of chlorine-containing disinfectant. It is high-efficiency, broad-spectrum, safe, low-toxic and good in stability.

Description

technical field [0001] The invention relates to the application of a halogen-containing disinfectant, in particular to the application of dibromodimethylhydantoin (dibromohydantoin) as a disinfectant. Background technique [0002] Among the disinfectants currently used, halogen-containing disinfectants are a large class of disinfectants that are widely used and occupy a large market in the field of disinfection. Among halogen-containing disinfectants, only chlorine-containing disinfectants and iodine-containing disinfectants are currently used as disinfectants. The former includes sodium hypochlorite, bleaching powder, sodium dichloroisocyanurate, trichloroisocyanuric acid, and chlorinated trisodium phosphate; The latter mainly includes iodophor, iodine wine, iodine tincture, etc. Iodine-containing disinfectants are a type of intermediate-effect disinfectants, which can only kill general bacterial propagules, viruses, and fungi, but cannot kill bacterial spores, so their app...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N47/28
Inventor 薛广波
Owner SHANGHAI HAIJIN DISINFECTION TECH
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