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Method for preparing material slowly releasing chlorine dioxide and application thereof

A technology of chlorine dioxide and composite materials, applied in the direction of botany equipment and methods, applications, chemicals for biological control, etc., can solve the problems of difficult large-scale application, fruit and vegetable pollution, low efficiency, etc., and achieve high-efficiency antibacterial Sterilization, strong bactericidal ability, simple preparation effect

Active Publication Date: 2012-01-18
INST OF CHEM CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the above methods are either costly and inefficient, or cause pollution to fruits and vegetables, making it difficult to apply on a large scale

Method used

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  • Method for preparing material slowly releasing chlorine dioxide and application thereof

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Embodiment 1

[0025] Embodiment 1, the preparation method of chlorine dioxide sustained-release agent material and its application

[0026] Method I

[0027] 1. Preparation of Chlorine Dioxide Sustained Release Material

[0028] First configuration 500mL mass percent concentration is 20% sodium chlorate aqueous solution, then 1Kg gac (purchased from Sinopharm Chemical Reagent Co., Ltd., product catalog number is 10006792) is immersed in this sodium chlorate aqueous solution, after standing 10 minutes, filter And collect activated carbon, dry at 40 DEG C for 24 hours, and cool naturally, sodium chlorate can be uniformly loaded on the inner wall of the activated carbon channel, forming a sodium chlorate-activated carbon composite material loaded with sodium chlorate, the sodium chlorate in the composite material The loading amount is 7.4% (mass percentage).

[0029] Dissolving oxalic acid and citric acid in water to prepare a mixed aqueous solution containing oxalic acid and citric acid, wh...

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Abstract

The invention discloses a method for preparing a material slowly releasing chlorine dioxide and application thereof. The material releasing chlorine dioxide, provided by the invention, a comprise A and a component B which are respectively packed individually, wherein the component A is a compound material obtained after adsorbed substances are loaded on an absorbing medium; the adsorbed substances are one or two components in a disinfectant; the disinfectant comprises a component a, a component b and a component c; the component a is soluble chlorate; the component b is oxalic acid or solubleoxalate; the component c is citric acid; the component B is an activating agent; and the activating agent comprises other components in the disinfectant except the adsorbed substances. The material slowly releasing chlorine dioxide, with a nano composite structure, provided by the invention, can be used for slowly releasing chlorine dioxide gas in long action, prolonging the effective service life of an antistaling agent and effectively inhibiting and killing bacteria, and has good anticorrosive, mildewproof and freshness-preserving effects on fruits and vegetables.

Description

technical field [0001] The invention relates to a preparation method and application of a chlorine dioxide slow-release material. Background technique [0002] my country is a large country of fruit and vegetable production. The fruits and vegetables produced are of various varieties, high quality, unique flavor, and are highly competitive in the market. However, due to the lack of efficient storage and preservation technology, the quality of fruits and vegetables has declined and serious waste has occurred. With the gradual improvement of people's quality of life, people's demand for fresh fruits and vegetables is also gradually increasing. The preservation of fruits and vegetables in the process of picking, transporting, selling and eating has become a very important issue. During the storage and circulation of fruits and vegetables, a large number of bacteria and other pathogenic microorganisms grow, which is an important reason for affecting the taste of fruits and vege...

Claims

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Application Information

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IPC IPC(8): A01N59/00A01N25/18A01P3/00A01P1/00
Inventor 万立骏宋卫国李萍
Owner INST OF CHEM CHINESE ACAD OF SCI
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