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Anti-freezing disinfectant and preparation method thereof

A disinfectant and solvent technology, applied in the field of antifreeze disinfectant and its preparation, can solve the problems of chlorine-containing disinfectant corrosivity to metal and plastic, unsatisfactory disinfection effect, and harm to human health, etc., to achieve good antifreeze effect, less corrosiveness, and the effect of increasing the sterilization rate

Active Publication Date: 2021-09-07
718TH RES INST OF CHINA SHIPBUILDING INDAL CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the disinfectant that can be used at low temperature is a chlorine-containing disinfectant containing organic chlorine compounds. When this type of chlorine-containing disinfectant is used, there are the following problems: First, the disinfection effect at low temperature is not satisfactory ; Second, the organic chlorine compounds in chlorine-containing disinfectants contact with water, which will form carcinogens, namely chloroform, which is harmful to human health; third, this type of chlorine-containing disinfectants are corrosive to metals and plastics; Fourth, some products of this type of chlorine-containing disinfectant need to be mixed and used on site, which is troublesome

Method used

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  • Anti-freezing disinfectant and preparation method thereof
  • Anti-freezing disinfectant and preparation method thereof
  • Anti-freezing disinfectant and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] A kind of antifreeze disinfectant, the raw material of described disinfectant is 50% hydrogen peroxide solution, 50kg sodium acetate, 3kg propylene glycol, 4kg freezing retardant, 5kg lauryl amidopropyl betaine, 1.5kg KHCO as the raw material of described disinfectant 3 , 0.2kg sodium gluconate, 28.3kg deionized water and potassium carbonate aqueous solution.

[0036] Therefore, remove potassium carbonate aqueous solution, with the mass sum of other components in the described disinfectant final product being 100%, the massfraction of each component is: hydrogen peroxide is 4%, sodium acetate is 50%, propylene glycol is 3%, freeze retardant 4%, lauryl amidopropyl betaine 5%, KHCO 3 1.5% for sodium gluconate, 0.2% for sodium gluconate, and the rest for water.

[0037] The pH value of the disinfectant was adjusted to 8.0 with potassium carbonate aqueous solution.

[0038] Wherein, the freezing retardant is composed of polyhydroxypropyl acrylate and cationic polyacrylami...

Embodiment 2

[0046] A kind of antifreeze disinfectant, the raw material of described disinfectant is 1.5kg sodium perborate, 1.5kg sodium percarbonate, 30kg potassium formate, 8kg Virahol, 1kg freezing retardant, 2kg cocamidopropyl betaine, 2kg FeCl 2 , 0.8kg sodium gluconate, 53.2kg deionized water and potassium carbonate aqueous solution.

[0047]Therefore, remove potassium carbonate aqueous solution, with the mass sum of other components in the described disinfectant final product being 100%, the massfraction of each component is: sodium perborate is 1.5%, sodium percarbonate is 1.5%, formic acid Potassium 30%, Isopropanol 8%, Freeze Retardant 1%, Cocamidopropyl Betaine 2%, FeCl 2 2% for sodium gluconate, 0.8% for sodium gluconate, and deionized water for the rest.

[0048] The pH value of the disinfectant was adjusted to 8.2 with potassium carbonate aqueous solution.

[0049] Wherein, the freezing retardant is composed of tert-butyl polyacrylate and cationic polyacrylamide with a mo...

Embodiment 3

[0057] A kind of antifreeze disinfectant, the raw material of described disinfectant is magnesium monoperoxyphthalate hexahydrate, 20kg sodium formate, 5kg isopropanol, 10kg freezing retardant, 3kg lauramide propyl ammonium oxide, 0.5kg Cu(NO 3 ) 2 , 1kg sodium gluconate, 50.5kg deionized water and potassium carbonate aqueous solution.

[0058] Therefore, remove potassium carbonate aqueous solution, the mass fraction of each component is based on the mass sum of other components in the described disinfectant final product: 10% magnesium monoperoxyphthalate hexahydrate, Sodium formate is 20%, isopropanol is 5%, freeze retardant is 10%, lauramide propyl ammonium oxide is 3%, Cu(NO 3 ) 2 0.5% for sodium gluconate, 1% for sodium gluconate, and deionized water for the rest.

[0059] The pH value of the disinfectant was adjusted to 7.8 with potassium carbonate aqueous solution.

[0060] Wherein, the freezing retardant is composed of isobutyl polyacrylate and cationic polyacryla...

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Abstract

The invention relates to an anti-freezing disinfectant and a preparation method thereof, and belongs to the technical field of disinfection. The final product of the disinfectant is composed of a disinfection component, a freezing point reducing agent, a solvent, a freezing retardant, a surfactant, a synergist, a corrosion inhibitor, water and a pH value regulator. The final product of the disinfectant comprises the following components in percentage by mass: 3 to 10 percent of disinfection component, 20 to 50 percent of freezing point reducing agent, 3 to 8 percent of solvent, 1 to 10 percent of freezing retardant, 2 to 5 percent of surfactant, 0.5 to 2 percent of synergist, 0.2 to 1 percent of corrosion inhibitor and the balance of water, wherein the sum of the mass of the other components in the final product of the disinfectant is 100 percent; and the pH value of the disinfectant is regulated to 7.0-8.5 by using a pH value regulator. The disinfectant has a good anti-freezing effect, a good sterilizing effect, small corrosion to metals and no corrosion to plastics.

Description

technical field [0001] The invention relates to an antifreeze disinfectant and a preparation method thereof, belonging to the technical field of disinfection. Background technique [0002] At present, the commonly used disinfectants for disinfection of articles are: chlorine-containing disinfectants, peroxide disinfectants, and quaternary ammonium salt disinfectants; these disinfectants have poor sterilization effects at low temperatures, and as the temperature decreases, their The bactericidal effect showed an exponential decrease. It can be seen that the sterilizing effect of the disinfectant has a great relationship with the temperature. Effective disinfectants are used at room temperature. When used at low temperatures, their disinfection effect will be greatly reduced or even ineffective. Therefore, in order to achieve effective disinfection, the only solution is to increase the concentration of disinfectants, but this will cause disinfection. The corrosivity of the di...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N59/00A01N37/16A01N59/14A01N47/28A01N25/30A01N25/02A01P1/00
CPCA01N59/00A01N37/16A01N59/14A01N47/28A01N25/30A01N25/02
Inventor 唐金库高崧任明军
Owner 718TH RES INST OF CHINA SHIPBUILDING INDAL CORP
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