CN110574764A - Slow-release chlorine dioxide gel powder and preparation method thereof - Google Patents
Slow-release chlorine dioxide gel powder and preparation method thereof Download PDFInfo
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- CN110574764A CN110574764A CN201910781756.7A CN201910781756A CN110574764A CN 110574764 A CN110574764 A CN 110574764A CN 201910781756 A CN201910781756 A CN 201910781756A CN 110574764 A CN110574764 A CN 110574764A
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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
- A01N25/02—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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- 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
- A01N25/22—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 ingredients stabilising the active ingredients
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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
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Abstract
The invention discloses a sustained-release chlorine dioxide gel powder and a preparation method thereof, wherein the formula comprises the following raw materials in parts by mass: 20-35 parts of chlorine dioxide precursor, and gel: 20-30 parts of a solvent; 10-18 parts of an activating agent; 15-25 parts of a stabilizer; a crosslinking agent: 15-25 parts of a sustained release agent: 10-15 parts. The preparation method comprises the following steps: (1) respectively putting the chlorine dioxide precursor, the gel, the activator, the stabilizer, the cross-linking agent and the sustained-release agent into a constant-temperature drying oven for drying for later use; (2) uniformly mixing the chlorine dioxide precursor and the stabilizer in the formula amount to obtain a mixture A; (3) uniformly mixing the gel, the cross-linking agent and the sustained-release agent according to the formula amount to obtain a mixture B; (4) mixing the mixture A and the mixture B, adding an activating agent with the formula amount, and uniformly mixing; (5) subpackaging and storing in dark. The product of the invention has stable property, long preservation time and convenient use, and is suitable for sterilization, disinfection and formaldehyde removal in various occasions.
Description
Technical Field
the invention relates to a sterilization disinfectant, in particular to sustained-release chlorine dioxide gel powder and a preparation method thereof.
background
Chlorine dioxide (ClO)2) A gas from yellow green to orange yellow, which is a green disinfectant recognized as safe and nontoxic internationally. ClO at normal temperature and pressure2is a yellow green to orange gas, has an irritant odor similar to chlorine, is explosive when the volume concentration in the air exceeds 10 percent, and has a melting point of-59.5 ℃ and a boiling point of 9.9 ℃. ClO2cannot be made into a compressed gas or a concentrated solution, and thus needs to be manufactured at the place of use.ClO2It is easily soluble in water, has various hydrates at low temperature, is sensitive to heat and light, and needs to be stored away from light and at low temperature. Chlorine dioxide (ClO)2) Has broad-spectrum antimicrobial effect, has no pain, teratogenesis and mutation-causing effect on higher animal cells, has the effect of eliminating formaldehyde, has high safety, is listed as an Al-grade broad-spectrum, safe and high-efficiency chrysanthemum-killing disinfectant by the World Health Organization (WHO), and is recommended to be a fourth-generation disinfectant. ClO2The product has unstable property, easy decomposition, strong corrosivity and poor use safety, is difficult to package and store as a commodity due to the fact that the product is required to be manufactured at a use place, and has certain limitation on application.
the prior patent discloses a chlorine dioxide reactor which can be operated in the using process to release chlorine dioxide, but has certain disadvantages: the release speed of chlorine dioxide can not be effectively controlled; before the use, the medicine powder needs to be added, the field operation is carried out for reaction, a great deal of inconvenience is caused, and in order to overcome the defects, a novel product which is convenient and practical and can control the release speed of the chlorine dioxide needs to be developed.
Disclosure of Invention
In order to solve the existing problems, the invention provides sustained-release chlorine dioxide gel powder and a preparation method thereof. The invention is realized by the following technical scheme.
The formula of the slow-release chlorine dioxide gel powder comprises the following raw materials in parts by mass:
20-35 parts of chlorine dioxide precursor, and gel: 20-30 parts of a solvent; 10-18 parts of an activating agent; 15-25 parts of a stabilizer; a crosslinking agent: 15-25 parts of a sustained release agent: 10-15 parts.
Preferably, the formula comprises 30 parts of chlorine dioxide precursor, a gelling agent: 28 parts of (1); 17 parts of an activating agent; 20 parts of a stabilizer; a crosslinking agent: 19 parts, sustained release agent: 14 parts of (A).
More preferably. The chlorine dioxide precursor comprises one or more of sodium chlorite, potassium chlorite, barium chlorite and magnesium chlorite; the gel is one or a mixture of two of polyacrylate and crosslinked polyethylene oxide, the slow release agent is polyethylene glycol or polyvinylpyrrolidone, and the stabilizer is a mixture consisting of one or more of anhydrous calcium chloride, anhydrous magnesium chloride, anhydrous sodium sulfate and anhydrous magnesium sulfate; the cross-linking agent is acrylamide or acrylate; the activating agent is a mixture consisting of one or more of boric acid, citric acid, tartaric acid, oxalic acid and dihydric phosphate.
Most preferably, the gel powder is used by adding 400-800 parts of water.
a preparation method of the sustained-release chlorine dioxide gel powder composed of the formula comprises the following steps:
(1) respectively putting the chlorine dioxide precursor, the gel, the activator, the stabilizer, the cross-linking agent and the sustained-release agent into a constant-temperature drying oven for drying for later use;
(2) Uniformly mixing the chlorine dioxide precursor and the stabilizer in the formula amount to obtain a mixture A;
(3) Uniformly mixing the gel, the cross-linking agent and the sustained-release agent according to the formula amount to obtain a mixture B;
(4) Mixing the mixture A and the mixture B, adding an activating agent with the formula amount, and uniformly mixing;
(5) subpackaging and storing in dark.
the invention has the beneficial effects that:
According to the sustained-release chlorine dioxide gel powder, the raw materials in each formula are dried for later use by adopting a unique preparation method, so that the moisture content in the raw materials is reduced, the final product is ensured to have more stable properties in the preservation process, and the storage time of the product is prolonged. In the preparation process, the stabilizer on the premise of chlorine dioxide is firstly isolated from mixing the chlorine dioxide precursor with the reactive agents such as the activating agent and the like, and the dried activating agent is added in the last step for mixing, so that the property of the chlorine dioxide precursor is more stable. When in use, only the outer package of the slow-release chlorine dioxide gel powder is needed to be opened, a certain amount of water is added into the gel powder, the chlorine dioxide precursor is promoted to react with the activating agent and the gel agent is combined with the cross-linking agent while stirring, and finally the slow-release chlorine dioxide gel is formed.
In a word, the sustained-release chlorine dioxide gel powder product has stable property, long storage time and convenient use, is suitable for sterilization, disinfection and formaldehyde removal in various occasions, is gel in the final use state, can reduce dust pollution in the use process, solves the defect of dust fluidity and is more convenient to use.
Detailed Description
The technical solution of the present invention will be described in more detail and fully with reference to the following embodiments.
Embodiment 1, a sustained-release chlorine dioxide gel powder, the formulation comprises the following raw materials:
30g of sodium chlorite, 28g of polyacrylate, 17g of anhydrous potassium sulfate and anhydrous calcium chloride, 20g of polyethylene glycol, 19g of acrylamide and 14g of tartaric acid and monopotassium phosphate.
A preparation method of the sustained-release chlorine dioxide gel powder composed of the formula comprises the following steps:
(1) Respectively putting 30g of sodium chlorite, 28g of polyacrylate, 17g of anhydrous potassium sulfate and anhydrous calcium chloride, 20g of polyethylene glycol, 19g of acrylamide and 14g of tartaric acid and monopotassium phosphate into a constant-temperature drying oven for drying for later use;
(2) uniformly stirring and mixing the dried sodium chlorite precursor, the stabilizer anhydrous potassium sulfate and the anhydrous calcium chloride mixture to obtain a mixture A;
(3) Uniformly mixing the gel polyacrylate, the cross-linking agent acrylamide and the sustained-release agent polyethylene glycol sustained-release agent to obtain a mixture B;
(4) Mixing the mixture A and the mixture B, adding 14g of tartaric acid and potassium dihydrogen phosphate activator, and uniformly mixing;
(5) Subpackaging and storing in dark.
use of: when the gel powder is used, 500-700g of water is added, the gel powder is stirred into a gel state, the chlorine dioxide reacts with the activating agent on the premise of slowly releasing under the control of the slow release agent, and the gel powder is suitable for sterilization, disinfection and formaldehyde removal in multiple occasions.
the specific embodiment 2 is a sustained-release chlorine dioxide gel powder, which is prepared from the following raw materials in parts by mass:
32 parts of chlorine dioxide precursor, gel: 27 parts of (1); 16 parts of an activating agent; 20 parts of a stabilizer; a crosslinking agent: 22 parts, sustained release agent: 12 parts.
Wherein the chlorine dioxide precursor comprises one or a mixture of more of sodium chlorite, potassium chlorite, barium chlorite and magnesium chlorite; the gel is one or two mixtures of polyacrylate and crosslinked polyethylene oxide, the slow release agent is polyethylene glycol or polyvinylpyrrolidone, and the stabilizer is one or more of anhydrous calcium chloride, anhydrous magnesium chloride, anhydrous sodium sulfate and anhydrous magnesium sulfate; the cross-linking agent is acrylamide or acrylate; the activator is a mixture of one or more of boric acid, citric acid, tartaric acid, oxalic acid, and dihydrogen phosphate.
A preparation method of the sustained-release chlorine dioxide gel powder composed of the formula comprises the following steps:
(1) Respectively putting the chlorine dioxide precursor, the gel, the activator, the stabilizer, the cross-linking agent and the sustained-release agent into a constant-temperature drying oven for drying for later use;
(2) Uniformly mixing the chlorine dioxide precursor and the stabilizer in the formula amount to obtain a mixture A;
(3) uniformly mixing the gel, the cross-linking agent and the sustained-release agent according to the formula amount to obtain a mixture B;
(4) mixing the mixture A and the mixture B, adding an activating agent with the formula amount, and uniformly mixing;
(5) subpackaging and storing in dark.
Use of: when the gel powder is used, 500-800 parts of water needs to be added, the gel powder is stirred into a gel state, the chlorine dioxide reacts with the activating agent on the premise of reacting with the activating agent, and the chlorine dioxide is slowly released under the control of the slow release agent, so that the gel powder is suitable for sterilization, disinfection and formaldehyde removal in multiple occasions.
embodiment 3, a sustained-release chlorine dioxide gel powder, which comprises the following raw materials in parts by mass:
28 parts of chlorine dioxide precursor, gel: 22 parts of (A); 15 parts of an activating agent; 18 parts of a stabilizer; a crosslinking agent: 21 parts, sustained release agent: 14 parts of (A).
Wherein the chlorine dioxide precursor comprises one or a mixture of more of sodium chlorite, potassium chlorite, barium chlorite and magnesium chlorite; the gel is one or two mixtures of polyacrylate and crosslinked polyethylene oxide, the slow release agent is polyethylene glycol or polyvinylpyrrolidone, and the stabilizer is one or more of anhydrous calcium chloride, anhydrous magnesium chloride, anhydrous sodium sulfate and anhydrous magnesium sulfate; the cross-linking agent is acrylamide or acrylate; the activator is a mixture of one or more of boric acid, citric acid, tartaric acid, oxalic acid, and dihydrogen phosphate.
The preparation method of the sustained-release chlorine dioxide gel powder is characterized by comprising the following steps: the method comprises the following steps:
(1) Respectively putting the chlorine dioxide precursor, the gel, the activator, the stabilizer, the cross-linking agent and the sustained-release agent into a constant-temperature drying oven for drying for later use;
(2) Uniformly mixing the chlorine dioxide precursor and the stabilizer in the formula amount to obtain a mixture A;
(3) uniformly mixing the gel, the cross-linking agent and the sustained-release agent according to the formula amount to obtain a mixture B;
(4) mixing the mixture A and the mixture B, adding an activating agent with the formula amount, and uniformly mixing;
(5) subpackaging and storing in dark.
most preferably, the gel powder is used by adding 400-800 parts of water and stirring to form a gel, the chlorine dioxide reacts with the activating agent on the premise of slowly releasing under the control of the slow-release agent, and the gel powder is suitable for sterilizing, disinfecting and removing formaldehyde on multiple occasions.
It is to be understood that the described embodiments are merely individual embodiments of the invention, rather than all embodiments. All other implementations made by those skilled in the art without any inventive work based on the embodiments of the present invention belong to the scope of the present invention.
Claims (5)
1. the slow-release chlorine dioxide gel powder is characterized in that: the formula comprises the following raw materials in parts by mass:
20-35 parts of chlorine dioxide precursor, and gel: 20-30 parts of a solvent; 10-18 parts of an activating agent; 15-25 parts of a stabilizer; a crosslinking agent: 15-25 parts of a sustained release agent: 10-15 parts.
2. The sustained-release chlorine dioxide gel powder of claim 1, wherein: the formula comprises 30 parts of chlorine dioxide precursor and a gelling agent: 28 parts of (1); 17 parts of an activating agent; 20 parts of a stabilizer; a crosslinking agent: 19 parts, sustained release agent: 14 parts of (A).
3. the sustained-release chlorine dioxide gel powder of claim 1, wherein: the chlorine dioxide precursor comprises one or more of sodium chlorite, potassium chlorite, barium chlorite and magnesium chlorite; the gel is one or a mixture of two of polyacrylate and crosslinked polyethylene oxide, the slow release agent is polyethylene glycol or polyvinylpyrrolidone, and the stabilizer is one or a mixture of more of anhydrous calcium chloride, anhydrous magnesium chloride, anhydrous sodium sulfate and anhydrous magnesium sulfate; the cross-linking agent is acrylamide or acrylate; the activating agent is a mixture consisting of one or more of boric acid, citric acid, tartaric acid, oxalic acid and dihydric phosphate; the slow release agent is polyethylene glycol or polyvinylpyrrolidone.
4. the sustained-release chlorine dioxide gel powder of claim 1, wherein: 400-800 parts of water need to be added when the gel powder is used.
5. A method for preparing a sustained-release chlorine dioxide gel powder according to claim 1, which is characterized in that: the method comprises the following steps:
(1) Respectively putting the chlorine dioxide precursor, the gel, the activator, the stabilizer, the cross-linking agent and the sustained-release agent into a constant-temperature drying oven for drying for later use;
(2) Uniformly mixing the chlorine dioxide precursor and the stabilizer in the formula amount to obtain a mixture A;
(3) Uniformly mixing the gel, the cross-linking agent and the sustained-release agent according to the formula amount to obtain a mixture B;
(4) Mixing the mixture A and the mixture B, adding an activating agent with the formula amount, and uniformly mixing;
(5) subpackaging and storing in dark.
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| CN201910781756.7A CN110574764A (en) | 2019-08-23 | 2019-08-23 | Slow-release chlorine dioxide gel powder and preparation method thereof |
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| CN201910781756.7A CN110574764A (en) | 2019-08-23 | 2019-08-23 | Slow-release chlorine dioxide gel powder and preparation method thereof |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111387204A (en) * | 2020-04-15 | 2020-07-10 | 广东爱锝医药技术研究院有限公司 | Color-changeable bactericidal gel |
| CN111493069A (en) * | 2020-04-21 | 2020-08-07 | 桂方晋 | Solid chlorine dioxide sustained release agent and preparation method thereof |
| CN111543426A (en) * | 2020-05-11 | 2020-08-18 | 赵琦 | Preparation method of slow-release chlorine dioxide gel |
| CN111587892A (en) * | 2020-05-20 | 2020-08-28 | 武汉中科先进技术研究院有限公司 | Long-acting clothes disinfectant and preparation method thereof |
| CN111838177A (en) * | 2020-08-25 | 2020-10-30 | 广东省医疗器械研究所 | Preparation method and preparation system of gel disinfectant |
| CN111903670A (en) * | 2020-06-30 | 2020-11-10 | 合肥学院 | Slow-release chlorine dioxide solid preparation and preparation method thereof |
| CN112042640A (en) * | 2020-09-10 | 2020-12-08 | 安徽理工大学 | Slow-release long-acting chlorine dioxide disinfection powder and preparation method thereof |
| CN112120017A (en) * | 2020-08-05 | 2020-12-25 | 北京易净星科技有限公司 | Nano slow-release gel bactericide and preparation method thereof |
| CN112136827A (en) * | 2020-09-29 | 2020-12-29 | 黄俊雄 | Slow-release chlorine dioxide solid gel and preparation method and application thereof |
| CN112602722A (en) * | 2020-12-16 | 2021-04-06 | 陕西厚亿节能环保新材料科技有限公司 | Air purification gel and preparation method thereof |
| CN112791673A (en) * | 2020-12-22 | 2021-05-14 | 康瑞达（福州）环保科技有限公司 | Air purification gel production process and equipment capable of quantitatively adding raw materials |
| CN112841216A (en) * | 2020-12-31 | 2021-05-28 | 山东观变生物科技有限公司 | Chlorine dioxide liquid microcapsule and preparation method thereof |
| CN113083171A (en) * | 2021-03-10 | 2021-07-09 | 叁素(浙江)新材料科技有限责任公司 | ClO of composite photocatalyst2Method for preparing sustained-release gel |
| CN113207877A (en) * | 2021-05-18 | 2021-08-06 | 陕西科技大学 | Slow-release solid chlorine dioxide and preparation method thereof |
| 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 |
| CN114403157A (en) * | 2022-02-11 | 2022-04-29 | 山东大学 | Double-component gel slow-release chlorine dioxide disinfectant and preparation method and application thereof |
| CN116019125A (en) * | 2023-03-29 | 2023-04-28 | 山东华实药业有限公司 | Chlorine dioxide slow-release gel and preparation method thereof |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111387204A (en) * | 2020-04-15 | 2020-07-10 | 广东爱锝医药技术研究院有限公司 | Color-changeable bactericidal gel |
| CN111493069A (en) * | 2020-04-21 | 2020-08-07 | 桂方晋 | Solid chlorine dioxide sustained release agent and preparation method thereof |
| CN111543426A (en) * | 2020-05-11 | 2020-08-18 | 赵琦 | Preparation method of slow-release chlorine dioxide gel |
| CN111587892A (en) * | 2020-05-20 | 2020-08-28 | 武汉中科先进技术研究院有限公司 | Long-acting clothes disinfectant and preparation method thereof |
| CN111903670A (en) * | 2020-06-30 | 2020-11-10 | 合肥学院 | Slow-release chlorine dioxide solid preparation and preparation method thereof |
| CN112120017A (en) * | 2020-08-05 | 2020-12-25 | 北京易净星科技有限公司 | Nano slow-release gel bactericide and preparation method thereof |
| CN111838177A (en) * | 2020-08-25 | 2020-10-30 | 广东省医疗器械研究所 | Preparation method and preparation system of gel disinfectant |
| CN112042640B (en) * | 2020-09-10 | 2022-05-13 | 安徽理工大学环境友好材料与职业健康研究院(芜湖) | Slow-release long-acting chlorine dioxide disinfection powder and preparation method thereof |
| CN112042640A (en) * | 2020-09-10 | 2020-12-08 | 安徽理工大学 | Slow-release long-acting chlorine dioxide disinfection powder and preparation method thereof |
| CN112136827A (en) * | 2020-09-29 | 2020-12-29 | 黄俊雄 | Slow-release chlorine dioxide solid gel and preparation method and application thereof |
| CN112602722A (en) * | 2020-12-16 | 2021-04-06 | 陕西厚亿节能环保新材料科技有限公司 | Air purification gel and preparation method thereof |
| CN112791673A (en) * | 2020-12-22 | 2021-05-14 | 康瑞达（福州）环保科技有限公司 | Air purification gel production process and equipment capable of quantitatively adding raw materials |
| CN112841216A (en) * | 2020-12-31 | 2021-05-28 | 山东观变生物科技有限公司 | Chlorine dioxide liquid microcapsule and preparation method thereof |
| CN112841216B (en) * | 2020-12-31 | 2022-07-12 | 山东观变生物科技有限公司 | Chlorine dioxide liquid microcapsule and preparation method thereof |
| CN113083171A (en) * | 2021-03-10 | 2021-07-09 | 叁素(浙江)新材料科技有限责任公司 | ClO of composite photocatalyst2Method for preparing sustained-release gel |
| CN113207877A (en) * | 2021-05-18 | 2021-08-06 | 陕西科技大学 | Slow-release solid chlorine dioxide and preparation method thereof |
| 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 |
| CN114403157A (en) * | 2022-02-11 | 2022-04-29 | 山东大学 | Double-component gel slow-release chlorine dioxide disinfectant and preparation method and application thereof |
| CN116019125A (en) * | 2023-03-29 | 2023-04-28 | 山东华实药业有限公司 | Chlorine dioxide slow-release gel and preparation method thereof |
| CN116019125B (en) * | 2023-03-29 | 2023-05-23 | 山东华实药业有限公司 | Chlorine dioxide slow-release gel and preparation method thereof |
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