Method capable of adjusting stable release of chlorine dioxide as well as chlorine dioxide sustained-release gel
A technology of chlorine dioxide and slow-release gel, which is applied in the direction of plant growth regulators, botanical equipment and methods, gasification substances, etc. It can solve the problems of large difference in release rate before and after, and achieve stable release, good effect and use Safety, security effect and use safety effect
Active Publication Date: 2019-10-01
广州超威生物科技有限公司
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Problems solved by technology
[0029] The present invention aims at the problem that the release rate of the existing chlorine dioxide sustained-release products has a large difference before and after, and provides a method to form a suitable reaction condition by adding appropriate substances to the system, so that the pH value during the reaction process of sodium chlorite There is a gradual decrease, thereby controlling the reaction rate of sodium chlorite, thereby regulating the method for the steady release of chlorine dioxide, and the chlorine dioxide slow-release gel applying the method
Method used
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Embodiment 1-6 and comparative example 1-4
[0055] Examples 1-6 and Comparative Examples 1-4 respectively provide a chlorine dioxide slow-release gel. Each embodiment or comparative example takes each raw material according to the proportioning (mass percentage) shown in Table 1, and wherein potassium dihydrogen phosphate can be fine-tuned appropriately up and down in the recommended proportioning, guarantees that the mixed initial gel pH value is within the design range. The chlorine dioxide sustained-release gel was prepared by mixing the raw materials evenly, and the initial pH value of each sample was measured, as shown in Table 1.
[0056] The proportioning and initial pH value of the chlorine dioxide slow-release gel of table 1 embodiment 1-6 and comparative example 1-4
[0057]
[0058] Test the pH value and chlorine dioxide release rate of each of the chlorine dioxide slow-release gel samples above at different usage times.
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The invention relates to the technical field of disinfecting and sterilizing products, in particular to a method capable of adjusting stable release of chlorine dioxide as well as chlorine dioxide sustained-release gel. According to the method capable of adjusting stable release of the chlorine dioxide as well as the chlorine dioxide sustained-release gel, a sustained-release rate regulator is added into the system to regulate the initial pH value of the system to 5 to 10 and the pH value of the system is reduced gradually and stably in the process of releasing the chlorine dioxide by decomposing sodium chlorite, so that the reaction rate of the sodium chlorite is controlled, stable release of the chlorine dioxide is realized, the change of the release amount of the chlorine dioxide beforeand after is reduced, the release time is prolonged and the release time is as long as 60 days or more. The chlorine dioxide released by the chlorine dioxide sustained-release gel can maintain in a stable level for a long times, so that the effect and the use safety of products can be guaranteed well, and the chlorine dioxide sustained-release gel is suitable for persistent disinfection, odor removal, air purification and the like of space.
Description
technical field [0001] The invention relates to the technical field of chlorine-containing disinfection and sterilization products, in particular to a method for regulating the stable release of chlorine dioxide and a chlorine dioxide slow-release gel. Background technique [0002] Chlorine Dioxide Molecular Formula ClO 2 , the standard oxidation state of the chlorine atom is +4, and it is one of the few compounds that exist almost entirely as monomeric free atom groups in nature. Chlorine dioxide is a yellow to orange-red gas at room temperature, and has an irritating gas similar to chlorine gas. Chlorine dioxide is the fourth-generation chlorine-containing disinfectant after chlorine gas, sodium hypochlorite, calcium hypochlorite, sodium dichloroisocyanurate, and trichloroisocyanuric acid. Chlorine dioxide does not react with organic matter in water to form carcinogens such as trihalomethanes, and has no carcinogenic, teratogenic, or mutagenic effects on higher animal ce...
Claims
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IPC IPC(8): A01N59/00A01N25/04A01P1/00A61L9/015A61L101/08
CPCA01N25/04A01N59/00A61L9/015
Inventor 尹齐和刘亚军何佳兴
Owner 广州超威生物科技有限公司
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