CN112753711A - Air purification gel and preparation method thereof - Google Patents
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- CN112753711A CN112753711A CN202011631416.5A CN202011631416A CN112753711A CN 112753711 A CN112753711 A CN 112753711A CN 202011631416 A CN202011631416 A CN 202011631416A CN 112753711 A CN112753711 A CN 112753711A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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- 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
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- 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
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- 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
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/0052—Preparation of gels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/0052—Preparation of gels
- B01J13/0056—Preparation of gels containing inorganic material and water
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/0052—Preparation of gels
- B01J13/0065—Preparation of gels containing an organic phase
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
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- B01D2251/10—Oxidants
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D2257/00—Components to be removed
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- B01D2257/704—Solvents not covered by groups B01D2257/702 - B01D2257/7027
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/45—Gas separation or purification devices adapted for specific applications
- B01D2259/4508—Gas separation or purification devices adapted for specific applications for cleaning air in buildings
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Abstract
The invention relates to the technical field of air disinfection, and discloses an air purification gel and a preparation method thereof, wherein the air purification gel comprises a component A and a component B; the component A comprises the following raw materials in parts by weight: 4-8 parts of chlorine dioxide disinfectant and 6-10 parts of high-molecular water-absorbent resin; the component B comprises the following raw materials in parts by weight: 84-90 parts of deionized water. The final air purification gel is prepared by the steps of weighing, uniformly mixing and bottling the raw materials, gel particles are rapidly generated in the air, the release time is prolonged, the effect is durable, and the effects of sterilization, disinfection, deodorization and formaldehyde removal can be exerted for a long time.
Description
Technical Field
The invention relates to the technical field of air disinfection, in particular to an air purification gel and a preparation method thereof.
Background
The air purification is to provide the whole solutions of sterilization, dust reduction, haze removal, removal of harmful decoration residues, peculiar smell and the like aiming at various indoor environmental problems, improve the living and office conditions and promote the physical and mental health. The indoor environmental pollutants and pollution sources mainly comprise radioactive gases, mold, particulate matters, decoration residues and the like.
Chlorine dioxide is popular among people because of its characteristics of strong bactericidal power, no harm to human bodies and animals, no secondary pollution to the environment, and the like. Chlorine dioxide is not only a broad-spectrum environment-friendly type sterilization disinfectant which does not generate carcinogens, but also has obvious effects on sterilization, food preservation, deodorization and the like.
The conventional chlorine dioxide solution has high volatilization speed and short effective time after being directly sprayed in the air or attached to the bottom surface of furniture and the like, can not continuously play a role after about one minute, and can only be used for one-time spraying disinfection.
Aiming at the existing related research of chlorine dioxide gel, the research finds that CN101138644B discloses an aromatic slow-release chlorine dioxide gel powder and a preparation method thereof, wherein the aromatic slow-release chlorine dioxide gel powder is composed of the following raw materials by weight: 8-24 parts of chlorine dioxide matrix, 6-20 parts of slow-release activator, 10-25 parts of stabilizer, 10-24 parts of colloid agent, 3-7 parts of cross-linking agent and 1-4 parts of solid essence, wherein the colloid agent is one or a mixture of polyacrylate, cross-linked polyethylene oxide or alginate; CN101810874B discloses a slow-release chlorine dioxide gel, a preparation method and application thereof, wherein the slow-release chlorine dioxide gel comprises the following components in percentage by weight: 0.1-5.0% of chlorine dioxide precursor, 1.0-10.0% of gelling agent, 0.01-2.0% of chelating agent, 0.1-10.0% of activating agent, 30-70% of slow release agent, 0.1-5.0% of stabilizing agent and 0.1-5.0% of deionized water, wherein the deionized water is added to 100%, and the gelling agent is one or more of sodium polyacrylate, crosslinked polyacrylic resin, crosslinked polyvinyl alcohol, agar, xanthan gum, polyethylene oxide, starch graft copolymer and vinyl acetate copolymer. The two prior arts have the common problems of complex components and poor gel effect of the used gel, and the aromatic slow-release chlorine dioxide gel powder disclosed in CN101138644B is powdery, a certain amount of water needs to be poured in the gel during use, the gel is uniformly stirred, the water amount poured in firstly is not well controlled, and the gel is not convenient during use; the slow-release chlorine dioxide gel disclosed in CN101810874B has the main function of removing indoor formaldehyde and has insufficient effect of killing bacteria in the air.
Therefore, the chlorine dioxide gel product has the advantages of simple components, good gel effect, good sterilization effect and lasting efficacy, can simultaneously remove formaldehyde and purify air, is convenient to use, and is a problem to be solved by technical personnel in the field.
Disclosure of Invention
The invention aims to provide air purification gel which can quickly generate gel particles in air, prolongs the release time and has lasting effect.
In order to achieve the purpose, the invention adopts the following technical scheme:
an air purification gel comprising a component A and a component B;
the component A comprises the following raw materials in parts by weight: 4-8 parts of chlorine dioxide disinfectant and 6-10 parts of high-molecular water-absorbent resin;
the component B comprises the following raw materials in parts by weight: 84-90 parts of deionized water.
Preferably, the chlorine dioxide comprises the following components: the ratio of sodium chlorite, citric acid, sodium chloride, sodium bicarbonate and magnesium sulfate is 4.5-5.5: 8.5-9.5: 1.5-2.5: 1-1.5: 2.5-3.5.
Another object of the present invention is to provide a method for preparing an air purification gel, comprising the steps of:
(1) weighing chlorine dioxide disinfectant and high polymer water-absorbent resin according to the proportion, pouring the chlorine dioxide disinfectant and the high polymer water-absorbent resin into a powder mixer, and fully mixing the powder to obtain a component A;
(2) bottling the component A prepared in the step (1);
(3) weighing a component B in a mass ratio with the component A, and bottling;
(4) when the composition is to be used, the component A and the component B are mixed.
Preferably, the mixing time in the step (1) is 1-2 min.
According to the technical scheme, compared with the prior art, the invention has the following beneficial effects:
1. the effective use time of the air purification gel can reach 90 days under the conditions of keeping out of the sun and normal temperature (5-25 ℃).
2. The air purification gel has the advantages that the sterilization rate of staphylococcus albus reaches 99.99%, the sterilization rate of escherichia coli reaches 99.99%, the virus fire extinguishing rate of influenza A virus H1N1 reaches 99.99%, the formaldehyde removal rate reaches 95.3%, and the TVOC removal rate reaches 96.9%.
3. The air purification gel prepared by the invention has higher content of chlorine dioxide disinfectant, adopts the high molecular water-absorbent resin as a gel, does not need stirring after the component A and the component B are mixed, immediately forms gel, and does not have the caking phenomenon. The air purification gel has simple components, good gel effect, good sterilization effect and lasting effect, and can simultaneously remove formaldehyde and purify air.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
An air purification gel comprising a component A and a component B; the component A comprises the following raw materials in parts by weight: 4 parts of chlorine dioxide disinfectant and 6 parts of high-molecular water-absorbent resin; the component B comprises the following raw materials in parts by weight: the deionized water is 84 parts. The chlorine dioxide comprises the following components: sodium chlorite, citric acid, sodium chloride, sodium bicarbonate, magnesium sulfate ratio 4.5: 8.5: 1.5: 1: 2.5.
the preparation method comprises the following steps:
(1) weighing chlorine dioxide disinfectant and high polymer water-absorbent resin according to a ratio, pouring into a powder mixing machine, and fully mixing the powder for 1min to obtain a component A;
(2) weighing the component A prepared in the step (1) according to the specification of 100 g/bottle of the total weight of the component A and the component B, and bottling;
(3) weighing a component B in a mass ratio with the component A, and bottling;
(4) when the composition is to be used, the component A and the component B are mixed.
Example 2
An air purification gel comprising a component A and a component B; the component A comprises the following raw materials in parts by weight: 6 parts of chlorine dioxide disinfectant and 8 parts of high-molecular water-absorbent resin; the component B comprises the following raw materials in parts by weight: the deionized water content is 87 parts. The chlorine dioxide comprises the following components: sodium chlorite, citric acid, sodium chloride, sodium bicarbonate, magnesium sulfate ratio of 5: 9: 2: 1.2: 3.
the preparation method comprises the following steps:
(1) weighing chlorine dioxide disinfectant and high molecular water-absorbent resin according to a ratio, pouring into a powder mixing machine, and fully mixing the powder for 1.5min to obtain a component A;
(2) weighing the component A prepared in the step (1) according to the specification of 100 g/bottle of the total weight of the component A and the component B, and bottling;
(3) weighing a component B in a mass ratio with the component A, and bottling;
(4) when the composition is to be used, the component A and the component B are mixed.
Example 3
An air purification gel comprising a component A and a component B; the component A comprises the following raw materials in parts by weight: 8 parts of chlorine dioxide disinfectant and 10 parts of high-molecular water-absorbent resin; the component B comprises the following raw materials in parts by weight: 90 parts of deionized water. The chlorine dioxide comprises the following components: sodium chlorite, citric acid, sodium chloride, sodium bicarbonate, magnesium sulfate ratio 5.5: 9.5: 2.5: 1.5: 3.5.
the preparation method comprises the following steps:
(1) weighing chlorine dioxide disinfectant and high polymer water-absorbent resin according to a ratio, pouring into a powder mixing machine, and fully mixing the powder for 2min to obtain a component A;
(2) weighing the component A prepared in the step (1) according to the specification of 100 g/bottle of the total weight of the component A and the component B, and bottling;
(3) weighing a component B in a mass ratio with the component A, and bottling;
(4) when the composition is to be used, the component A and the component B are mixed.
Example 4
The products prepared in examples 1 to 3 were subjected to the gelation test by directly mixing component A and component B without stirring, and the test results are shown in Table 1
| Item | Example 1 | Example 2 | Example 3 |
| Gel production | Immediately after | Immediately after | Immediately after |
| Agglomeration of | No obvious agglomeration | No obvious agglomeration | No obvious agglomeration |
As shown by detection, the component A and the component B in the examples 1 to 3 form gel immediately after mixing without stirring, and the gel is not caked and is complete.
Example 5
In order to verify the bactericidal effect, the removal rate of the formaldehyde agent TVOC and the disinfection aging of the air purification gel of the present invention, the following experiments were performed using the product prepared in example 2:
1) and (3) disinfection aging test:
the sample of example 2 was placed in the test area with the opening, and the outlet concentration was monitored every five days for 90 consecutive days under the conditions of dark and high humidity, and the result is shown in table 2, if the outlet concentration is greater than zero, the result is determined to be valid.
TABLE 2 Sterilization aging test results
The monitoring result shows that the air purification gel has lasting disinfection effect for more than 90 days.
2) Kill test (staphylococcus albus):
the inspection basis is as follows: disinfection Specification (2002 edition) 2.1.1.5.6, 2.1.1.9.
Quantitatively killing bacteria: the test temperature is 19-21 ℃, the test is repeated for 3 times, the average killing logarithm values of the air purification gel on the candida albicans are all more than 3.00 in 0.5min, 1min and 1.5min, and the killing effect is shown in table 3.
TABLE 3 biocidal effect of samples as received on Candida albicans
Note: negative control was grown aseptically.
According to the disinfection technical specification (2002 edition), under the experimental condition, the average killing logarithm value of the air purification gel on the candida albicans is more than 3.00 after the air purification gel is acted for 1min, and the standard requirement of the disinfection technical specification (2002 edition) is met.
3) Kill test (staphylococcus aureus):
the inspection basis is as follows: disinfection Specification (2002 edition) 2.1.1.5.6, 2.1.1.7.
Quantitatively killing bacteria: the test temperature is 19-21 ℃, the test is repeated for 3 times, the average killing logarithm value of the air purification gel on staphylococcus aureus is more than 3.00 after the air purification gel is directly acted for 0.5min, 1min and 1.5min, and the killing effect is shown in table 4.
TABLE 4 killing effect of the samples as received on Staphylococcus aureus
Note: negative control was grown aseptically.
According to the technical specification for disinfection (2002 edition), under experimental conditions, the average killing logarithm value of the air purification gel on staphylococcus aureus after 1min of original effect is more than 3.00, and the standard requirement of the technical specification for disinfection (2002 edition) is met.
4) Kill assay (influenza a virus H1N1, host: MDCK cell)
The inspection basis is as follows: disinfection Specification (2002 edition) 2.1.1.10.5;
disinfection Specification (2002 edition) 2.1.1.10.7.
Virus inactivation test: the sample stock solution was tested for 30min and the test was repeated 3 times according to "Disinfection Specification" (2002 edition) 2.1.1.10.7. The test temperature was 20 ℃. + -. 1 ℃. Neutralizer suspension identification test: referring to the identification test of chemical neutralization method of residual disinfectant in disinfection technical Specification (2002 edition) 2.1.1.10.5, the test sample is diluted 10 times and acted for 10 min. The killing effect is shown in table 5:
TABLE 5 Effect of the samples as such on the killing of influenza A H1N1
The test results of the negative control group meet all conditions specified by evaluation.
The sample stock solution is checked and acted for 30min, the test is repeated for 3 times, the average inactivation log value of the influenza A virus H1N1 is more than 6.06, and the sample is qualified for the laboratory test of the tested virus according to the evaluation regulation (the average inactivation log value is more than or equal to 4.00) 2.1.1.10.7 of disinfection technical specification (2002 edition).
Formaldehyde removal rate test:
the test basis is as follows: QB/T2761-2006
The test method comprises the following steps: the air-purifying gel (100g) of example 2 was put in a 1.5m container3The test was carried out in the test chamber and the results are shown in Table 6.
TABLE 6 Formaldehyde removal test results
And (3) test results: as shown in Table 6, it can be seen from Table 6 that the formaldehyde removal rate of the slow-release chlorine dioxide air purification gel of the invention reaches 95.3%, and the formaldehyde removal effect is good.
TVOC removal rate test:
the test basis is as follows: QB/T2761-2006
The test method comprises the following steps: 100g of slow-release chlorine dioxide air purification gel is put into 1.5m3And carrying out the test in the test cabin. The results are shown in Table 7.
TABLE 7 TVOC removal Rate test results
And (3) test results: as shown in Table 7, it can be seen from Table 7 that the TVOC removal rate of the air purification gel of the present invention reaches 96.9%, and the TVOC removal effect is good.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. An air purification gel, comprising a component a and a component B;
the component A comprises the following raw materials in parts by weight: 4-8 parts of chlorine dioxide disinfectant and 6-10 parts of high-molecular water-absorbent resin;
the component B comprises the following raw materials in parts by weight: 84-90 parts of deionized water.
2. An air purification gel as claimed in claim 1, wherein said chlorine dioxide disinfectant has the composition: the ratio of sodium chlorite, citric acid, sodium chloride, sodium bicarbonate and magnesium sulfate is 4.5-5.5: 8.5-9.5: 1.5-2.5: 1-1.5: 2.5-3.5.
3. A method of preparing an air purification gel as claimed in claim 1, comprising the steps of:
(1) weighing chlorine dioxide disinfectant and high polymer water-absorbent resin according to the proportion, pouring the chlorine dioxide disinfectant and the high polymer water-absorbent resin into a powder mixer, and fully mixing the powder to obtain a component A;
(2) bottling the component A prepared in the step (1);
(3) weighing a component B in a mass ratio with the component A, and bottling;
(4) when the composition is to be used, the component A and the component B are mixed.
4. The method for preparing air purification gel according to claim 3, wherein the mixing time in the step (1) is 1-2 min.
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| CN202011631416.5A CN112753711A (en) | 2020-12-30 | 2020-12-30 | Air purification gel and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113424824A (en) * | 2021-06-10 | 2021-09-24 | 东莞市安保医用包装科技有限公司 | Stirring-free chlorine dioxide gel and preparation method thereof |
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- 2020-12-30 CN CN202011631416.5A patent/CN112753711A/en active Pending
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| CN101194627A (en) * | 2006-12-08 | 2008-06-11 | 吴予奇 | Disinfecting and foreign flavor removing sustained-release agent in small space |
| CN102160552A (en) * | 2011-02-22 | 2011-08-24 | 天津市华阳新兴科技有限公司 | Controlled-release coated chlorine dioxide disinfectant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113424824A (en) * | 2021-06-10 | 2021-09-24 | 东莞市安保医用包装科技有限公司 | Stirring-free chlorine dioxide gel and preparation method thereof |
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Application publication date: 20210507 |