CN112602722A - Air purification gel and preparation method thereof - Google Patents

Air purification gel and preparation method thereof Download PDF

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Publication number
CN112602722A
CN112602722A CN202011484320.0A CN202011484320A CN112602722A CN 112602722 A CN112602722 A CN 112602722A CN 202011484320 A CN202011484320 A CN 202011484320A CN 112602722 A CN112602722 A CN 112602722A
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component
gel
water
mixed solution
chlorine dioxide
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陈博
鲁海海
烟小亿
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Shaanxi Houyi Energy Saving Environmental Protection New Material Technology Co ltd
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Shaanxi Houyi Energy Saving Environmental Protection New Material Technology Co ltd
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
    • A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/18—Vapour or smoke emitting compositions with delayed or sustained release
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/01—Deodorant compositions
    • A61L9/012—Deodorant compositions characterised by being in a special form, e.g. gels, emulsions
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
    • A61L9/04—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air without heating
    • A61L9/048—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air without heating air treating gels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/38—Removing components of undefined structure
    • B01D53/44—Organic components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/72—Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/76—Gas phase processes, e.g. by using aerosols
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/10—Oxidants
    • B01D2251/108—Halogens or halogen compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/708—Volatile organic compounds V.O.C.'s
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/91—Bacteria; Microorganisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/06—Polluted air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/10—Gas phase, e.g. by using aerosols

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Abstract

The invention discloses an air purification gel which comprises a component A and a component B, wherein the component A and the component B are hermetically stored, the component A comprises a PH regulator, a slow release agent, a gel stabilizer, a bactericide and water, the component B comprises a chlorine dioxide precursor and a gel, the component B is added into the component A to form a gel, and the mass ratio of the component A to the component B is 1: 0.1-0.3. The invention also discloses a preparation method of the air purification gel, which adopts the super absorbent resin as a carrier and adds the gel stabilizer, so that the gel is not easy to break after long-term use, and the sustained release time of the chlorine dioxide is longer.

Description

Air purification gel and preparation method thereof
Technical Field
The invention belongs to the technical field of air purification, relates to an air purification gel, and further relates to a preparation method of the gel.
Background
Chlorine dioxide is an internationally recognized broad-spectrum, efficient and safe disinfectant, has no three-cause effect (carcinogenesis, teratogenesis and mutation), has a good killing effect on bacteria, mould, fungi, viruses, spores and the like, has the functions of removing aldehyde, deodorizing, removing TVOC, preserving, bleaching and the like, and is widely applied to industries such as drinking water, municipal sewage, industrial circulating water, aquaculture, medical treatment, food processing and preserving.
Because chlorine dioxide is unstable, when the chlorine dioxide is used for air purification, the traditional method generally adopts a water solution spraying mode, is limited by the spraying range and frequency, and cannot kill harmful substances in the air in real time and all-around manner without dead angles. Although some air purification gel products for slowly releasing chlorine dioxide exist in China at present, most of the air purification gel products have the defects of poor gel stability and short slow release time, and the application of the products is limited.
Disclosure of Invention
The invention aims to provide an air purification gel.
The invention also aims to provide a preparation method of the aerogel, which adopts the super absorbent resin as a carrier and adds the gel stabilizer, so that the aerogel is not easy to break after long-term use, and the sustained release time of the chlorine dioxide is longer.
The first technical scheme is that the air purification gel comprises a component A and a component B which are stored in a sealed mode, wherein the component A comprises a PH regulator, a slow release agent, a gel stabilizer, a bactericide and water, the component B comprises a chlorine dioxide precursor and a gelling agent, the component B is added into the component A, the gel can be formed within 5min, and the mass ratio of the component A to the component B is 1: 0.1-0.3.
The first technical scheme of the invention is also characterized in that the component A is liquid preserved in a sealing way, and the component B is solid particles or powder preserved in a sealing way.
The second technical scheme adopted by the invention is that the preparation method of the air purification gel comprises the steps of preparing a component A and a component B;
the preparation process of the component A is as follows:
step 1, adding a slow release agent into water, stirring and completely dissolving the slow release agent into the water to obtain a mixed solution A;
step 2, adding a pH regulator into the mixed solution A, stirring and completely dissolving the pH regulator in the mixed solution A to obtain a mixed solution B;
step 3, adding a gel stabilizer into the mixed solution B, stirring and completely dissolving the gel stabilizer into the mixed solution B to obtain a mixed solution C;
step 4, adding the bactericide into the mixed solution C, stirring and completely dissolving the bactericide into the mixed solution C to obtain a component A;
the preparation process of the component B is as follows: and (3) physically and uniformly mixing the chlorine dioxide precursor and the gel to obtain the chlorine dioxide gel.
The second technical solution adopted by the present invention is further characterized in that,
in the component A, the mass ratio of water to the slow release agent is 1: 0.001-0.02; the mass ratio of the water to the pH regulator is 1: 0.05-1: 0.15; the mass ratio of the water to the gel stabilizer is 1: 0.001-0.01; the mass ratio of the water to the bactericide is 1: 0.0001-0.001.
The water in the component A is deionized water or distilled water, and the slow release agent is one of sodium carboxymethyl cellulose, polyacrylamide, polyethylene glycol, polyvinyl alcohol, polyvinylpyrrolidone, carbomer and guar gum.
The pH regulator in the component A is one of citric acid, boric acid, oxalic acid, sodium dihydrogen phosphate, potassium dihydrogen phosphate, disodium hydrogen phosphate and dipotassium hydrogen phosphate, and the pH value of a solution system is controlled to be 3.0-6.0 by the pH regulator.
The gel stabilizer in the component A is one of calcium chloride and magnesium chloride; the bactericide is one of sodium chlorite or sodium hypochlorite.
The mass ratio of the chlorine dioxide precursor to the gelling agent in the component B is 1: 0.5-2.
The chlorine dioxide precursor in the component B is one of sodium chlorite or potassium chlorite; the gel is one of polyacrylic acid type super absorbent resin, polyvinyl alcohol type super absorbent resin, polyoxy hydrocarbon type super absorbent resin and carboxymethyl cellulose type super absorbent resin.
The invention has the following beneficial effects:
1. the air purification gel provided by the invention contains the component A and the component B which are stored in a sealed manner, and the components A and B are mixed when in use, so that the air purification gel is safe and convenient to use and has a wide application range.
2. The reaction speed is controlled by adopting a pH regulator, so that the chlorine dioxide gas is slowly and stably released.
3. The super absorbent resin is used as a carrier, and the gel stabilizer is added, so that the gel is not easy to break after long-term use, and the sustained release time of the chlorine dioxide is longer.
4. The released chlorine dioxide gas can kill harmful substances in the air in all directions without dead corners.
Drawings
FIG. 1 is a graph showing the change of chlorine dioxide concentration at the mouth of a 200ml transparent PE bottle when air purification gel samples provided in examples 1 to 4 and comparative examples 1 to 2 in the preparation method of air purification gel of the present invention are respectively placed in the transparent PE bottle.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The invention relates to an air purification gel, which comprises a component A and a component B, wherein the component A and the component B are respectively stored in a sealed manner, the component A comprises a PH buffering agent, a slow release agent, a gel stabilizing agent, a bactericide and water, the component B comprises a chlorine dioxide precursor and a gel, when the air purification gel is used, the component B is added into the component A to form a gel, and the gel can slowly release chlorine dioxide gas, kill viruses and bacteria in the air and decompose toxic and harmful gases in the air.
The component A is prepared according to the following steps:
step 1, adding a slow release agent into water, stirring and completely dissolving the slow release agent into the water to obtain a mixed solution A, wherein in the step 1, the water is deionized water or distilled water, and the slow release agent is one or a combination of more of sodium carboxymethyl cellulose, polyacrylamide, polyethylene glycol, polyvinyl alcohol, polyvinyl pyrrolidone, carbomer and guar gum and mainly has the function of reducing the volatilization speed of water and the release speed of chlorine dioxide.
In the step 1, the mass ratio of water to the sustained-release agent is 1: 0.001-0.02.
Step 2, adding a pH regulator into the mixed solution A, stirring and completely dissolving the pH regulator in the mixed solution A to obtain a mixed solution B;
in the step 2, the pH regulator is one or a combination of more of citric acid, boric acid, oxalic acid, sodium dihydrogen phosphate, potassium dihydrogen phosphate, disodium hydrogen phosphate and dipotassium hydrogen phosphate, and the pH value of the system is controlled to be 3.0-6.0.
The mass ratio of the water to the pH regulator is 1: 0.05-0.15.
Step 3, adding a gel stabilizer into the mixed solution B, stirring and completely dissolving the gel stabilizer into the mixed solution B to obtain a mixed solution C;
in the step 3, the gel stabilizer is one or a mixture of calcium chloride and magnesium chloride, and mainly has the functions of changing the water absorption performance of the gel, adjusting the dosage of the gel and further changing the strength of the gel.
The mass ratio of the water to the gel stabilizer is 1: 0.001-0.01.
Step 4, adding the bactericide into the mixed solution C, stirring and completely dissolving the bactericide into the mixed solution C to obtain a component A; the mass ratio of the water to the bactericide is 1: 0.0001-0.001.
In the step 4, the bactericide is one of sodium chlorite or sodium hypochlorite and has the function of preventing the component A from deteriorating in the long-time standing process.
And (4) mechanically stirring at normal temperature in steps 1-4.
The component B is formed by physically mixing a chlorine dioxide precursor and a gel.
The chlorine dioxide precursor is sodium chlorite or potassium chlorite, and reacts with the acidic substance in the component A to generate chlorine dioxide gas.
The gel is one or a mixture of more of polyacrylic acid type super absorbent resin, polyvinyl alcohol type super absorbent resin, polyoxy hydrocarbon type super absorbent resin and carboxymethyl cellulose type super absorbent resin, can absorb a large amount of water to swell but not dissolve, provides a carrier for chlorine dioxide gas, and delays the release speed of the chlorine dioxide gas.
The mass ratio of the chlorine dioxide precursor to the gel is 1: 0.5-2.
The gel agent in the component B is solid particles, so that the gel agent is prevented from caking when being mixed with the component A, and the chlorine dioxide precursor can be solid powder or solid particles.
The mass ratio of the component A to the component B is 1: 0.1-1: 0.3.
Embodiments of the present invention will be described in detail with reference to examples.
Example 1
The preparation method of the air purification gel comprises a component A and a component B, wherein the preparation process of the component A is as follows:
step 1, adding 100g of deionized water into a 200ml beaker, starting stirring, adding 2g of carboxymethyl cellulose disodium salt, and stirring to completely dissolve.
And 2, adding 15g of sodium dihydrogen phosphate dihydrate into the solution obtained in the step 1, and stirring to completely dissolve the sodium dihydrogen phosphate dihydrate.
And 3, adding 1g of anhydrous calcium chloride into the solution obtained in the step 2, and stirring to completely dissolve the calcium chloride.
And 4, adding 0.1g of sodium chlorite (with the purity of 80%) into the solution obtained in the step 3, and stirring to completely dissolve the sodium chlorite to obtain the component A.
8g of sodium chlorite (purity 80%) and 4g of polyacrylic acid type super absorbent resin are mixed and stirred evenly to obtain the component B.
Adding the component B into the component A, slightly shaking to uniformly disperse, swelling with polyacrylic acid type super absorbent resin, and forming air purification gel after 5 min.
Example 2
A preparation method of air purification gel specifically comprises the following steps:
step 1, adding 100g of deionized water into a 200ml beaker, starting stirring, adding 0.1g of polyethylene glycol 4000, and stirring to completely dissolve.
And 2, adding 2g of sodium dihydrogen phosphate dihydrate and 3g of disodium hydrogen phosphate dihydrate into the solution obtained in the step 1, and stirring to completely dissolve the sodium dihydrogen phosphate dihydrate and the disodium hydrogen phosphate dihydrate.
And 3, adding 0.1g of magnesium chloride hexahydrate into the solution obtained in the step 2, and stirring to completely dissolve the magnesium chloride.
And 4, adding 0.01g of sodium hypochlorite (with the purity of 60%) into the solution obtained in the step 3, and stirring to completely dissolve the sodium hypochlorite to obtain the component A.
Mixing 10g sodium chlorite (purity 80%), 10g polyacrylic acid type super absorbent resin, 5g carboxymethyl cellulose type super absorbent resin and 5g polyoxyhydrocarbon type super absorbent resin uniformly to obtain component B.
Adding the component B into the component A, slightly shaking to uniformly disperse, and swelling with mixture of polyacrylic acid type super absorbent resin, carboxymethyl cellulose type super absorbent resin and polyoxyalkane type super absorbent resin after absorbing water for 5min to form air purification gel.
Example 3
A preparation method of air purification gel specifically comprises the following steps:
step 1, adding 100g of deionized water into a 200ml beaker, starting stirring, adding 1g of polyethylene glycol 4000, and stirring to completely dissolve.
Step 2, 9g of sodium dihydrogen phosphate dihydrate and 1g of citric acid monohydrate were added to the solution obtained in step 1, and the mixture was stirred to be completely dissolved.
And 3, adding 0.5g of magnesium chloride hexahydrate into the solution obtained in the step 2, and stirring to completely dissolve the magnesium chloride.
And 4, adding 0.05g of sodium hypochlorite (with the purity of 60%) into the solution obtained in the step 3, and stirring to completely dissolve the sodium hypochlorite to obtain the component A.
Mixing 10g sodium chlorite (purity 80%) and 10g polyvinyl alcohol type super absorbent resin uniformly to obtain component B.
Adding the component B into the component A, slightly shaking to uniformly disperse, swelling with the polyvinyl alcohol type super absorbent resin, and forming air purification gel after 5 min.
Example 4
Step 1, adding 100g of deionized water into a 200ml beaker, starting stirring, adding 15g of polyacrylamide (with the molecular weight of 500 ten thousand), and stirring to completely dissolve.
And 2, adding 5g of citric acid and 3g of disodium hydrogen phosphate dihydrate into the solution obtained in the step 1, and stirring to completely dissolve.
And 3, adding 0.8g of anhydrous calcium chloride into the solution obtained in the step 2, and stirring to completely dissolve the calcium chloride.
And 4, adding 0.02g of sodium chlorite (purity of 60%), and stirring to completely dissolve to obtain the component A.
Mixing 10g sodium chlorite (purity 80%) and 10g carboxymethyl cellulose type super absorbent resin uniformly to obtain component B.
Adding the component B into the component A, slightly shaking to uniformly disperse, swelling with carboxymethyl cellulose type super absorbent resin, and forming air purification gel after 5 min.
Comparative example 1
In the preparation method of example 1, the polyethylene glycol 4000 added in step 1 was removed, and the remaining steps were unchanged, to finally obtain comparative example 1.
Comparative example 2
In the preparation method of example 3, the magnesium chloride hexahydrate added in step 3 was removed, and the remaining steps were unchanged, to finally obtain comparative example 2.
Chlorine dioxide Release Effect
The air purification gel samples provided in examples 1 to 4 and comparative examples 1 to 2 were placed in 200ml transparent PE bottles, respectively, and chlorine dioxide gas was released through the opening, and the change of chlorine dioxide concentration at the bottle opening with time is shown in FIG. 1.
The change in appearance of each air purifying gel in the bottle is shown in table 1.
TABLE 1 change in appearance of air purification gels over time
Figure BDA0002838928980000081
Experimental results show that the air purification gel provided by the embodiments 1-4 of the invention has the effect of stably releasing chlorine dioxide for a long time, the release concentration of chlorine dioxide is reduced more smoothly, and the appearance of the gel is not changed greatly after the gel is placed for a long time. The invention controls the PH value of the system reasonably, and achieves the effect of slowly releasing chlorine dioxide under the combined action of the slow-release agent and the gel stabilizer. Comparative example 1 removed the slow release agent and the release rate of chlorine dioxide was not controllable. Comparative example 2 has removed the gel stabilizer, the high water absorbent resin swelling multiple is too big, there are spaces among the particles, cause the chlorine dioxide release rate too fast. Comparative example 1 and comparative example 2 released chlorine dioxide at a higher concentration in the early stage, but the duration was short, the gel became white after 1 month and chlorine dioxide had been released substantially completely.

Claims (9)

1. The air purification gel is characterized by comprising a component A and a component B which are stored in a sealed mode, wherein the component A comprises a PH regulator, a slow release agent, a gel stabilizer, a bactericide and water, the component B comprises a chlorine dioxide precursor and a gelling agent, the component B is added into the component A to form the gel, and the mass ratio of the component A to the component B is 1: 0.1-0.3.
2. An air purification gel according to claim 1, wherein the component A is a liquid stored in a sealed manner, and the component B is a solid particle or powder stored in a sealed manner.
3. The method for preparing an air purification gel according to claims 1-2, wherein the method comprises the following steps: comprises a preparation component A and a preparation component B;
the preparation process of the component A is as follows:
step 1, adding a slow release agent into water, stirring and completely dissolving the slow release agent into the water to obtain a mixed solution A;
step 2, adding a pH regulator into the mixed solution A, stirring and completely dissolving the pH regulator in the mixed solution A to obtain a mixed solution B;
step 3, adding a gel stabilizer into the mixed solution B, stirring and completely dissolving the gel stabilizer into the mixed solution B to obtain a mixed solution C;
step 4, adding the bactericide into the mixed solution C, stirring and completely dissolving the bactericide into the mixed solution C to obtain a component A;
the preparation process of the component B is as follows: and (3) physically and uniformly mixing the chlorine dioxide precursor and the gel to obtain the chlorine dioxide gel.
4. The method of claim 3, wherein the gel further comprises: in the component A, the mass ratio of water to the slow release agent is 1: 0.001-0.02; the mass ratio of the water to the pH regulator is 1: 0.05-1: 0.15; the mass ratio of the water to the gel stabilizer is 1: 0.001-0.01; the mass ratio of the water to the bactericide is 1: 0.0001-0.001.
5. The method of claim 3, wherein the gel further comprises: the water in the component A is deionized water or distilled water, and the slow release agent is at least one of sodium carboxymethyl cellulose, polyacrylamide, polyethylene glycol, polyvinyl alcohol, polyvinylpyrrolidone, carbomer and guar gum.
6. The method of claim 3, wherein the gel further comprises: the pH regulator in the component A is at least one of citric acid, boric acid, oxalic acid, sodium dihydrogen phosphate, potassium dihydrogen phosphate, disodium hydrogen phosphate and dipotassium hydrogen phosphate, and the pH value of a solution system is controlled to be 3.0-6.0 by the pH regulator.
7. The method of claim 3, wherein the gel further comprises: the gel stabilizer in the component A is one of calcium chloride and magnesium chloride; the bactericide is one of sodium chlorite or sodium hypochlorite.
8. The method of claim 3, wherein the gel further comprises: the mass ratio of the chlorine dioxide precursor to the gelling agent in the component B is 1: 0.5-2.
9. The method of claim 7, wherein the gel further comprises: the chlorine dioxide precursor in the component B is one of sodium chlorite or potassium chlorite; the gel is at least one of polyacrylic acid type super absorbent resin, polyvinyl alcohol type super absorbent resin, polyoxy hydrocarbon type super absorbent resin and carboxymethyl cellulose type super absorbent resin.
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113521981A (en) * 2021-08-07 2021-10-22 宁波远大检测技术有限公司 Two-component slow-release formaldehyde-removing composition
CN113712039A (en) * 2021-10-14 2021-11-30 长沙尚洁环保科技有限公司 Chlorine dioxide slow-release material and preparation method thereof
CN113893670A (en) * 2021-10-28 2022-01-07 大庆中环评价检测有限公司 Non-toxic indoor long-acting disinfection gel product
CN114618402A (en) * 2022-01-21 2022-06-14 广西环保产业发展研究院有限公司 Shoe cabinet odor-removal mildew-proof agent gel and preparation method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105145626A (en) * 2015-07-30 2015-12-16 竹安（北京）生物科技发展有限公司 Aroma type immobilized gel-like chlorine dioxide air cleanser
CN107853295A (en) * 2017-10-23 2018-03-30 深圳市壹岚科技有限公司 A kind of controllable type sustained release air purifying preparation and preparation method thereof
CN110477005A (en) * 2019-08-23 2019-11-22 银河环保科技(天津)有限公司 A kind of medicinal air freshening bactericide
CN110574764A (en) * 2019-08-23 2019-12-17 银河环保科技(天津)有限公司 Slow-release chlorine dioxide gel powder and preparation method thereof
CN111097270A (en) * 2018-10-26 2020-05-05 浙江地球村环保科技有限公司 Air purification gel box and use method and application thereof
CN111328829A (en) * 2020-04-01 2020-06-26 董波 Slow-release air disinfection powder and preparation method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105145626A (en) * 2015-07-30 2015-12-16 竹安（北京）生物科技发展有限公司 Aroma type immobilized gel-like chlorine dioxide air cleanser
CN107853295A (en) * 2017-10-23 2018-03-30 深圳市壹岚科技有限公司 A kind of controllable type sustained release air purifying preparation and preparation method thereof
CN111097270A (en) * 2018-10-26 2020-05-05 浙江地球村环保科技有限公司 Air purification gel box and use method and application thereof
CN110477005A (en) * 2019-08-23 2019-11-22 银河环保科技(天津)有限公司 A kind of medicinal air freshening bactericide
CN110574764A (en) * 2019-08-23 2019-12-17 银河环保科技(天津)有限公司 Slow-release chlorine dioxide gel powder and preparation method thereof
CN111328829A (en) * 2020-04-01 2020-06-26 董波 Slow-release air disinfection powder and preparation method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113521981A (en) * 2021-08-07 2021-10-22 宁波远大检测技术有限公司 Two-component slow-release formaldehyde-removing composition
CN113712039A (en) * 2021-10-14 2021-11-30 长沙尚洁环保科技有限公司 Chlorine dioxide slow-release material and preparation method thereof
CN113893670A (en) * 2021-10-28 2022-01-07 大庆中环评价检测有限公司 Non-toxic indoor long-acting disinfection gel product
CN114618402A (en) * 2022-01-21 2022-06-14 广西环保产业发展研究院有限公司 Shoe cabinet odor-removal mildew-proof agent gel and preparation method thereof

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