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Sustained-release carrier, chlorine dioxide gel composition containing sustained-release carrier and application thereof

A slow-release carrier, chlorine dioxide technology, applied in applications, chemicals for biological control, animal repellants, etc., can solve problems such as waste, corrosion of equipment, and inconvenience in use and transportation

Pending Publication Date: 2021-04-16
深圳华运新材科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, chlorine dioxide gas is very active and unstable, and it is difficult to make compressed gas or concentrated solution. It needs to be prepared on site when used, and because chlorine dioxide gas is an explosive gas, it cannot be stored and transported, making the application range of chlorine dioxide severely restricted
[0004] At present, some research attempts to prepare chlorine dioxide solution or chlorine dioxide solid preparation with strong stability, but the stable chlorine dioxide solution needs to be activated before use, and there are still inconveniences during use and transportation
And existing chlorine dioxide solid preparation is mainly to absorb stable chlorine dioxide solution by specific adsorption carrier and mix with solid acid, stabilizer etc. Chlorine oxide gas release speed. In the preparation process of this kind of products, high-purity chlorine dioxide gas needs to be prepared in advance, but the high concentration of chlorine dioxide gas and strong oxidation characteristics are easy to corrode equipment during the preparation process, and the requirements for equipment are relatively high. High, easy to leak, and the chlorine dioxide released by this product is low in active ingredients, low in utilization rate, and serious in waste

Method used

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  • Sustained-release carrier, chlorine dioxide gel composition containing sustained-release carrier and application thereof
  • Sustained-release carrier, chlorine dioxide gel composition containing sustained-release carrier and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0090] Embodiment 1 A kind of slow-release carrier and its slow-release chlorine dioxide gel composition

[0091] (1) Preparation of slow-release carrier:

[0092] Aqueous solution preparation:

[0093] Under the condition of ice-water bath, titrate 125 parts of acrylic acid aqueous solution (80% concentration) with 25% sodium hydroxide solution to make the neutralization degree of the solution 65%, and then add 0.01 parts of N,N'-methylene Base bisacrylamide, 0.24 parts of potassium persulfate, 0.06 parts of sodium bisulfite, prepared into an aqueous solution.

[0094] Oil phase solution preparation:

[0095] Add 0.3 part of polyoxyethylene alkyl ether phosphate into 600 parts of cyclohexane and dissolve to prepare an oil phase solution.

[0096] Preparation of slow-release carrier:

[0097] Slowly raise the temperature of the oil phase solution to 70°C, drop the water phase solution into the oil phase solution under the condition of nitrogen protection, and continue the ...

Embodiment 2

[0102] Embodiment 2 A slow-release carrier and its slow-release chlorine dioxide gel composition

[0103] (1) Preparation of slow-release carrier:

[0104] Aqueous solution preparation:

[0105] Under the condition of an ice-water bath, titrate 125 parts of acrylic acid aqueous solution (80% concentration) with a 25% sodium hydroxide solution to make the neutralization degree of the solution 75%, and then add 0.01 parts of N,N'-methylene Base bisacrylamide, 0.24 parts of potassium persulfate, 0.06 parts of sodium bisulfite, prepared into an aqueous solution.

[0106] Oil phase solution preparation:

[0107] Add 0.3 part of polyoxyethylene alkyl ether phosphate into 600 parts of cyclohexane and dissolve to prepare an oil phase solution.

[0108] Preparation of slow-release carrier:

[0109]Slowly raise the temperature of the oil phase solution to 70°C, drop the water phase solution into the oil phase solution under the condition of nitrogen protection, and continue the reac...

Embodiment 3

[0115] Embodiment 3 A slow-release carrier and its slow-release chlorine dioxide gel composition

[0116] (1) Preparation of slow-release carrier:

[0117] Aqueous solution preparation:

[0118] Under the condition of an ice-water bath, titrate 125 parts of acrylic acid aqueous solution (80% concentration) with a 25% sodium hydroxide solution to make the neutralization degree of the solution 75%, and then add 0.01 parts of N,N'-methylene Base bisacrylamide, 0.24 parts of potassium persulfate, 0.06 parts of sodium bisulfite, prepared into an aqueous solution.

[0119] Oil phase solution preparation:

[0120] Add 0.3 part of polyoxyethylene alkyl ether phosphate into 600 parts of cyclohexane and dissolve to prepare an oil phase solution.

[0121] Preparation of slow-release carrier:

[0122] Slowly raise the temperature of the oil phase solution to 70°C, drop the water phase solution into the oil phase solution under the condition of nitrogen protection, and continue the rea...

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PUM

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Abstract

The invention discloses a slow-release carrier, a chlorine dioxide gel composition containing the slow-release carrier and application thereof The sustained-release carrier is prepared by adding a vinyl monomer solution containing a cross-linking agent and an initiator into a dispersion medium containing a separant and adopting a reversed-phase suspension method. The slow-release carrier has a three-dimensional network structure and a cross-linking gradient, has super-strong water absorption and water retention properties, and can be used as an excellent reaction place for various slow-release preparations. Moreover, after the slow-release carrier is loaded with a chlorine dioxide precursor, controllable slow release of chlorine dioxide can be realized, and the slow-release carrier has multiple application prospects of sterilization and disinfection, air purification, deodorization, fresh keeping and the like.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, and in particular relates to a slow-release carrier, a gel composition containing the slow-release carrier and applications thereof. Background technique [0002] Chlorine dioxide (ClO 2 ) has a high-efficiency broad-spectrum bactericidal ability. It is a strong oxidizing agent that rapidly decomposes amino acids in bacteria, viruses, and proteins with its strong oxidizing properties, and can interact with many other reducing substances, various inorganic ions, and organic substances. Compared with chlorine gas, when chlorine dioxide is used for disinfection, only oxidation reaction occurs, no chlorination reaction occurs, no carcinogens such as chlorinated hydrocarbons are produced, and the oxidation capacity is 2.6 times that of chlorine gas. [0003] However, chlorine dioxide gas is very active and unstable, and it is difficult to make compressed gas or concentrated solution. It nee...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F220/06C08F222/38C08F265/02A01N25/10A01N25/18A01N59/00A01P1/00
Inventor 不公告发明人
Owner 深圳华运新材科技有限公司
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