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Composite low-temperature disinfectant and preparation method thereof

A disinfectant and low-temperature technology, which is applied in the direction of disinfectants, botany equipment and methods, biocides, etc., can solve the problems that low-temperature disinfection materials cannot be purchased, the demand for low-temperature disinfection cannot be met, and the disinfection effect is weakened, so as to ensure disinfection High efficiency, no flammable and explosive hazards, no secondary residue effect

Pending Publication Date: 2021-04-02
北京中科东亚纳米材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Even if it does not freeze, its disinfection effect will be multiplied and weakened, which cannot meet the actual low-temperature disinfection needs
At present, it is not possible to buy relevant low-temperature disinfection materials in the market for low-temperature sterilization

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Step 1: Disperse 350g of 1,2 propylene glycol and 30g of sodium chloride in 500ml of pure water, stir rapidly for 2 hours (the temperature of the water bath is 40°C), and age at room temperature for 24 hours to obtain solution A.

[0026] Step 2: Add 0.25 g of sodium nitrite into 100 ml of pure water and stir rapidly for 5 hours (the temperature of the water bath is 60° C.), and age at room temperature for 24 hours to obtain solution B.

[0027] Step 3: The above solution A and solution B were mixed and stirred for 24 hours to obtain solution C.

[0028] Step 4: Mix the above solution C with 5 g of didodecyldimethyl ammonium bromide and 5 g of sodium dichloroisocyanurate to obtain solution D.

[0029] Step 5: Add 0.1 g of polyacrylic acid to the above solution D to obtain a composite low-temperature disinfection material.

Embodiment 2

[0031] Step 1: Disperse 350g of 1,2 propylene glycol and 30g of calcium chloride in 500ml of pure water, stir rapidly for 2 hours (the temperature of the water bath is 40°C), and age at room temperature for 24 hours to obtain solution A.

[0032] Step 2: Add 0.25 g of sodium polyacrylate into 100 ml of pure water and stir rapidly for 5 hours (the temperature of the water bath is 60° C.), and age at room temperature for 24 hours to obtain solution B.

[0033] Step 3: The above solution A and solution B were mixed and stirred for 24 hours to obtain solution C.

[0034] Step 4: Mix the above solution C with 5 g of polyhexamethylene biguanide and 5 g of sodium dichloroisocyanurate to obtain solution D.

[0035] Step 5: Add 0.1 g of sodium nitrite to the above solution D to obtain a composite low-temperature disinfection material.

Embodiment 3

[0037] Step 1: Disperse 350g of 1,2 propylene glycol, 15g of calcium chloride and 15g of sodium chloride in 500ml of pure water, stir rapidly for 2 hours (water bath temperature is 40°C), and age at room temperature for 24 hours to obtain solution A.

[0038] Step 2: Add 0.25 g of sodium nitrite into 100 ml of pure water and stir rapidly for 5 hours (the temperature of the water bath is 60° C.), and age at room temperature for 24 hours to obtain solution B.

[0039] Step 3: The above solution A and solution B were mixed and stirred for 24 hours to obtain solution C.

[0040] Step 4: Mix the above solution C with 5 g of didecyldimethyl ammonium chloride and 5 g of sodium dichloroisocyanurate to obtain solution D.

[0041] Step 5: Add 0.4 g of triethanolamine to the above solution D to obtain a composite low-temperature disinfection material.

[0042] It should be noted that various compounds listed in the Summary of the Invention or their combination can be selected for each c...

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PUM

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Abstract

The invention relates to a composite low-temperature disinfectant and a preparation method thereof. The invention belongs to the technical field of disinfection materials, and particularly relates tothe composite low-temperature disinfectant which is simple in process, wide in application range, efficient at low temperature, broad-spectrum in sterilization and lasting in bacteriostasis and the preparation method of the disinfectant. According to the technical scheme, an organic low-temperature material and an inorganic low-temperature material are compounded into a low-temperature component,an inorganic material and a polymer are compounded into a disinfection component, and a corrosion inhibitor and a stabilizer are compounded, so that the disinfectant capable of remarkably killing bacteria at -20 DEG C is prepared. The invention predicts that the problem that a normal-temperature disinfectant cannot be used in low-temperature environments, refrigeration houses and cold chain linksin winter can be effectively solved.

Description

technical field [0001] The invention belongs to the field of preparation of disinfection materials, in particular to a composite low-temperature disinfectant and a preparation method thereof. Background technique [0002] The food industry is a people's livelihood industry that is related to the immediate needs of the public and economic and social stability. In the context of normalized epidemic prevention and control, the importance and urgency of food safety issues have reached unprecedented heights. [0003] An important part of the food safety issue is cold chain food safety. Cold chain disinfection is an important guarantee for cold chain food safety. Regarding cold chain disinfection, in addition to returning to normal temperature for disinfection and storage or direct incineration, destruction, and landfill, it is still necessary to disinfect the surface of all cold chain foods under low temperature conditions (even below -40°C). . The development of disinfectan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/40A01N33/12A01N47/44A01N43/40A01P3/00A01P1/00A01N25/04
CPCA01N47/40A01N33/12A01N47/44A01N43/40A01N25/04
Inventor 金星孙文明张伟
Owner 北京中科东亚纳米材料科技有限公司
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