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Double chain quaternary ammonium salt complex phthalic two methylene oxide disinfectant

A double-chain quaternary ammonium salt and o-phthalaldehyde technology, applied in the direction of disinfectants, biocides, animal repellants, etc., can solve the problem of poor killing ability of viruses, spores and mixed toxins, poor anti-interference of organic matter, and bactericidal Slow speed and other problems, to achieve the effect of improving effective use efficiency, long effective period and low cost

Inactive Publication Date: 2008-04-16
GUANGDONG OCEAN UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, foreign cationic active disinfectants have been developed to the fifth generation, that is, didodecyl diquaternary ammonium salt (Gemini). After research, it is found that this type of compound has better It has a good surface activity and high bactericidal activity, and has a good response in the animal husbandry industry, but it is also found that its bactericidal rate is slow, its ability to kill viruses, spores and mixed viruses is poor, and its anti-interference ability to organic matter is poor. , the cost is also higher

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] Formula: 9kg didodecanyldimethylamine bromide, 1.5kg o-phthalaldehyde. The production process is as follows:

[0013] (1) Weigh 9 kg of didodecyldimethylammonium bromide and put it into the reaction kettle to stir.

[0014] (2) Add 1.5 kg of o-phthalaldehyde, stir for 3-5 hours, and it is ready.

Embodiment 2

[0016] Formula: 3.1kg dioctadecyl dimethyl ammonium chloride, 3.0kg didecyl dimethyl ammonium chloride, 74.5kg didodecyl dimethyl ammonium chloride, ditetradecyl dimethyl ammonium chloride Ammonium chloride 10.3kg, dihexadecyldimethylammonium chloride 4.2kg, o-phthalaldehyde 15.0kg. The production process is as follows:

[0017] (1) Weigh the double-chain quaternary ammonium salts respectively and put them into the reaction kettle to stir.

[0018] (2) Add 1.5 kg of o-phthalaldehyde, stir for 3-5 hours, and it is ready.

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PUM

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Abstract

The invention provides a non-poison and no foreign odor disinfectant containing double-chain quaternary ammonium salt and orthophthalaldehyde. The technology gist of the invention is that the material double-chain quaternary ammonium salt and orthophthalaldehyde are mixed at a ratio of 2 M : 1 M in molar content. The invention has the efficacy of both biquaternary ammonium salt and orthophthalaldehyde and is suitable for epidemic prevention disinfection, disinfection for articles of agriculture and breeding industry, inviroment disinfection, and immersion sterilization of medical device such as wet endured heatlabile endoscopes and surgical instruments.

Description

technical field [0001] The present invention relates to a chemical disinfectant. Background technique [0002] Quaternary ammonium salt is an important variety of cationic surfactants. Because of its strong adsorption capacity for negatively charged substances, it has antistatic, soft and bactericidal effects. Since DomagkG discovered that the long-chain alkyl quaternary ammonium salt has strong bactericidal properties more than half a century ago, the synthesis of cationic active disinfectants has been one of the more active fields in the research of disinfectants. At present, foreign cationic active disinfectants have been developed to the fifth generation, that is, didodecyl diquaternary ammonium salt (Gemini). After research, it is found that this type of compound has better It has a good surface activity and high bactericidal activity, and has a good response in the animal husbandry industry, but it is also found that its bactericidal rate is slow, its ability to kill ...

Claims

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Application Information

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IPC IPC(8): A01N35/04A01P1/00A01N33/04
Inventor 彭少伟宋文东林宏图
Owner GUANGDONG OCEAN UNIVERSITY
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