CN108926979B - Graphene aldehyde removing agent and preparation method thereof - Google Patents
Graphene aldehyde removing agent and preparation method thereof Download PDFInfo
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- CN108926979B CN108926979B CN201810761946.8A CN201810761946A CN108926979B CN 108926979 B CN108926979 B CN 108926979B CN 201810761946 A CN201810761946 A CN 201810761946A CN 108926979 B CN108926979 B CN 108926979B
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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
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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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Abstract
The graphene aldehyde removing agent provided by the invention comprises the following raw materials in percentage by weight: 1 to 20 percent of graphene, 0.1 to 1 percent of polyvinylpyrrolidone, 5 to 25 percent of lithium magnesium silicate, 0.5 to 2 percent of sodium pyrophosphate, 0.5 to 2 percent of hydroxyethyl cellulose, 0.1 to 1 percent of 2-amino-2-methyl-1-propanol, 3 to 15 percent of glycerol, 1 to 20 percent of ethylene urea and 20 to 90 percent of water, wherein the total content of the components is 100 percent. The preparation method comprises the following steps: adding polyvinylpyrrolidone into water to prepare polyvinylpyrrolidone solution; adding graphene, and dispersing to obtain a graphene dispersion liquid; transferring to a dispersion kettle, adding hydroxyethyl cellulose, adding 2-amino-2-methyl-1-propanol, and dispersing at high speed for 10-30 min; adding sodium pyrophosphate and lithium magnesium silicate, and dispersing at high speed for 10-30 min; and finally, adding glycerol and ethylene urea, and dispersing for 10-30min to obtain the graphene aldehyde removing agent.
Description
Technical Field
The invention relates to an indoor air purification material, in particular to a graphene aldehyde removal agent and a preparation method thereof.
Background
Formaldehyde has been identified by the world health organization as a carcinogenic and teratogenic substance, widely recognized as the first indoor killer. Various artificial boards for decoration inevitably contain a certain amount of formaldehyde; in a newly decorated indoor environment, the formaldehyde has a long incubation period of several years, and has mutagenicity, carcinogenicity and reproductive toxicity. The data show that a concentration of formaldehyde exceeding 0.06 mg per cubic meter of air causes mild asthma to the child; above 0.1 mg, can feel peculiar smell; above 0.5 mg, it may irritate eyes and even tear, and above 0.6 mg, it may cause discomfort or pain in throat; above 1 mg, nausea, vomiting, cough, chest distress, asthma, and even edema can be caused; if it exceeds 30 mg, it will immediately cause death. At present, a plurality of methods and tools for removing formaldehyde exist in society, but the effect is not satisfactory. For example, removal of formaldehyde by diatom ooze coating, over time, is ineffective once the surface is full or results in the reverse release of formaldehyde, which is particularly unsuitable for southern areas; in addition, the utilization of biological enzyme, catalyst, ozone, etc. causes problems of low practical utilization rate, secondary pollution, etc.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art and provides a graphene aldehyde remover which can efficiently absorb formaldehyde in air and react the formaldehyde into a stable and nontoxic compound and a preparation method thereof.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a graphene aldehyde removing agent comprises the following raw materials in percentage by weight:
graphene 1-20%, polyvinylpyrrolidone 0.1-1%, lithium magnesium silicate 5-25%, sodium pyrophosphate 0.5-2%, hydroxyethyl cellulose 0.5-2%, 2-amino-2-methyl-1-propanol 0.1-1%, glycerol 3-15%, ethylene urea 1-20%, water 20-90%, and the total content of the above components is 100%.
In order to optimize the technical scheme, the adopted measures further comprise:
a preparation method of a graphene aldehyde removing agent comprises the following steps:
step one, adding polyvinylpyrrolidone into water, and stirring to dissolve the polyvinylpyrrolidone to obtain a polyvinylpyrrolidone solution;
step two, adding graphene into the polyvinylpyrrolidone solution prepared in the step one, and dispersing for 5min to 20min to prepare a graphene dispersion liquid;
transferring the graphene dispersion liquid prepared in the step two to a dispersion kettle provided with a high-speed dispersion machine, slowly adding hydroxyethyl cellulose, then adding 2-amino-2-methyl-1-propanol, and keeping high-speed dispersion for 10min to 30 min;
step four, adding sodium pyrophosphate and magnesium lithium silicate into the dispersion kettle in the step three, and dispersing at a high speed for 10-30 min;
and step five, sequentially adding glycerol and ethylene urea into the dispersion kettle in the step four, and dispersing for 10-30min to obtain the graphene aldehyde removing agent.
In the second step, ultrasonic dispersion is adopted.
In the third step, the rotating speed of the dispersion machine is adjusted to 1000r/min to 3000 r/min.
In the fifth step, the rotating speed of the dispersion machine is adjusted to 500r/min to 1000 r/min.
Compared with the prior art, the invention has the advantages that:
(1) the graphene aldehyde clearing agent can more efficiently and quickly capture and adsorb formaldehyde in air, and reacts with the formaldehyde to form a stable compound harmless to human beings;
(2) the graphene aldehyde cleaning agent is solid hydrogel, is not required to be sprayed in the air or on base materials such as wall surfaces and plates like a common aldehyde cleaning agent, is only required to be placed at indoor corners, has no construction process requirement, and is convenient to use;
(3) the graphene aldehyde clearing agent disclosed by the invention is safe, harmless and pollution-free, and does not release any substances to the environment except for water evaporation after being placed for a long time.
Detailed Description
The present invention will be described in further detail with reference to examples.
A graphene aldehyde removing agent comprises the following raw materials in percentage by weight:
graphene 1-20%, polyvinylpyrrolidone 0.1-1%, lithium magnesium silicate 5-25%, sodium pyrophosphate 0.5-2%, hydroxyethyl cellulose 0.5-2%, 2-amino-2-methyl-1-propanol 0.1-1%, glycerol 3-15%, ethylene urea 1-20%, water 20-90%, and the total content of the above components is 100%.
A preparation method of a graphene aldehyde removing agent comprises the following steps:
step one, adding polyvinylpyrrolidone into water, and stirring to dissolve the polyvinylpyrrolidone to obtain a polyvinylpyrrolidone solution;
step two, adding graphene into the polyvinylpyrrolidone solution prepared in the step one, and then performing ultrasonic dispersion for 5min to 20min to prepare a graphene dispersion solution;
step three, transferring the graphene dispersion liquid prepared in the step two into a dispersion kettle provided with a high-speed dispersion machine, adjusting the rotating speed of the dispersion machine to be 1000r/min to 3000r/min, slowly adding hydroxyethyl cellulose, then adding 2-amino-2-methyl-1-propanol, and keeping high-speed dispersion for 10min to 30 min;
step four, adding sodium pyrophosphate and magnesium lithium silicate into the dispersion kettle in the step three, and dispersing at a high speed for 10-30 min;
and step five, sequentially adding glycerol and ethylene urea into the dispersing kettle in the step four, adjusting the rotating speed of a dispersing machine to be 500r/min to 1000r/min, and dispersing for 10min to 30min to obtain the graphene aldehyde removing agent.
The following is illustrated by specific examples.
The first embodiment is as follows:
a graphene aldehyde removing agent is prepared from the following raw materials in percentage by weight:
0.5 percent of polyvinylpyrrolidone
6 percent of graphene
1 percent of hydroxyethyl cellulose
2-amino-2-methyl-1-propanol 0.2%
9 percent of glycerin
Sodium pyrophosphate 0.5%
5 percent of magnesium lithium silicate
Ethylene urea 2%
And (5) 75.8% of water.
The preparation method comprises the following steps:
step one, adding 0.5% of polyvinylpyrrolidone into 75.8% of water, and stirring to dissolve the polyvinylpyrrolidone to obtain a polyvinylpyrrolidone solution;
step two, adding 6% of graphene into the polyvinylpyrrolidone solution prepared in the step one, and performing ultrasonic dispersion for 10min to prepare a graphene dispersion liquid;
step three, transferring the graphene dispersion liquid prepared in the step two into a dispersion kettle provided with a high-speed dispersion machine, adjusting the rotating speed of the dispersion machine to be 1000r/min, slowly adding 1% of hydroxyethyl cellulose, then adding 0.2% of 2-amino-2-methyl-1-propanol, and keeping high-speed dispersion for 30 min;
step four, adding 0.5 percent of sodium pyrophosphate and 5 percent of magnesium lithium silicate into the dispersion kettle in the step three, and dispersing for 15min at a high speed;
and step five, sequentially adding 9% of glycerol and 2% of ethylene urea into the dispersing kettle in the step four, adjusting the rotating speed of a dispersing machine to 800r/min, and dispersing for 10min to obtain the graphene aldehyde removing agent.
Example two:
a graphene aldehyde removing agent is prepared from the following raw materials in percentage by weight:
0.3 percent of polyvinylpyrrolidone
10 percent of graphene
Hydroxyethyl cellulose 1.5%
2-amino-2-methyl-1-propanol 0.2%
15 percent of glycerin
1 percent of sodium pyrophosphate
10 percent of magnesium lithium silicate
10 percent of ethylene urea
52 percent of water.
The preparation method comprises the following steps:
step one, adding 0.3% of polyvinylpyrrolidone into 52% of water, and stirring to dissolve the polyvinylpyrrolidone to obtain a polyvinylpyrrolidone solution;
step two, adding 10% of graphene into the polyvinylpyrrolidone solution prepared in the step one, and performing ultrasonic dispersion for 10min to prepare a graphene dispersion liquid;
step three, transferring the graphene dispersion liquid prepared in the step two into a dispersion kettle provided with a high-speed dispersion machine, adjusting the rotating speed of the dispersion machine to be 1500r/min, slowly adding 1.5% of hydroxyethyl cellulose, then adding 0.2% of 2-amino-2-methyl-1-propanol, and keeping high-speed dispersion for 10 min;
step four, adding 1% of sodium pyrophosphate and 10% of magnesium lithium silicate into the dispersion kettle in the step three, and dispersing for 20min at a high speed;
and step five, sequentially adding 15% of glycerol and 10% of ethylene urea into the dispersing kettle in the step four, adjusting the rotating speed of a dispersing machine to be 1000r/min, and dispersing for 15min to obtain the graphene aldehyde removing agent.
Example three:
a graphene aldehyde removing agent is prepared from the following raw materials in percentage by weight:
polyvinylpyrrolidone 1%
2 percent of graphene
2 percent of hydroxyethyl cellulose
2-amino-2-methyl-1-propanol 1%
5 percent of glycerin
1.5 percent of sodium pyrophosphate
8 percent of magnesium lithium silicate
Ethylene urea 15%
And (5) 64.5 percent of water.
The preparation method comprises the following steps:
step one, adding 1% of polyvinylpyrrolidone into 64.5% of water, and stirring to dissolve the polyvinylpyrrolidone to obtain a polyvinylpyrrolidone solution;
step two, adding 2% of graphene into the polyvinylpyrrolidone solution prepared in the step one, and performing ultrasonic dispersion for 18min to prepare a graphene dispersion liquid;
step three, transferring the graphene dispersion liquid prepared in the step two into a dispersion kettle provided with a high-speed dispersion machine, adjusting the rotating speed of the dispersion machine to 2500r/min, slowly adding 2% of hydroxyethyl cellulose, then adding 1% of 2-amino-2-methyl-1-propanol, and keeping high-speed dispersion for 15 min;
step four, adding 1.5 percent of sodium pyrophosphate and 8 percent of magnesium lithium silicate into the dispersion kettle in the step three, and dispersing for 30min at a high speed;
and step five, sequentially adding 5% of glycerol and 15% of ethylene urea into the dispersing kettle in the step four, adjusting the rotating speed of a dispersing machine to be 1000r/min, and dispersing for 30min to obtain the graphene aldehyde removing agent.
The prepared graphene aldehyde removing agent is solid hydrogel and only needs to be placed at indoor corners, has no construction process requirement, is convenient to use, does not release any substance after long-time placement after water evaporation, is safe, harmless and pollution-free; the graphene aldehyde removing agent disclosed by the invention can efficiently and quickly capture and adsorb formaldehyde in air, and reacts with the formaldehyde to form a stable compound harmless to human beings.
While the preferred embodiments of the present invention have been illustrated, various changes and modifications may be made by one skilled in the art without departing from the scope of the invention.
Claims (1)
1. A preparation method of a graphene aldehyde removing agent comprises the following steps of (by weight percentage), 6% of graphene, 1% of hydroxyethyl cellulose, 9% of glycerol and 75.8% of water; the method is characterized in that: also comprises 0.5 percent of polyvinylpyrrolidone, 0.2 percent of 2-amino-2-methyl-1-propanol, 0.5 percent of sodium pyrophosphate, 5 percent of magnesium lithium silicate and 2 percent of ethylene urea; the preparation method of the graphene aldehyde removing agent comprises the following steps:
step one, adding 0.5% of polyvinylpyrrolidone into 75.8% of water, and stirring to dissolve the polyvinylpyrrolidone to obtain a polyvinylpyrrolidone solution;
step two, adding 6% of graphene into the polyvinylpyrrolidone solution prepared in the step one, and performing ultrasonic dispersion for 10min to prepare a graphene dispersion liquid;
step three, transferring the graphene dispersion liquid prepared in the step two into a dispersion kettle provided with a high-speed dispersion machine, adjusting the rotating speed of the dispersion machine to be 1000r/min, slowly adding 1% of hydroxyethyl cellulose, then adding 0.2% of 2-amino-2-methyl-1-propanol, and keeping high-speed dispersion for 30 min;
step four, adding 0.5 percent of sodium pyrophosphate and 5 percent of magnesium lithium silicate into the dispersion kettle in the step three, and dispersing for 15min at a high speed;
step five, sequentially adding 9% of glycerol and 2% of ethylene urea into the dispersing kettle in the step four, adjusting the rotating speed of a dispersing machine to 800r/min, and dispersing for 10min to obtain the graphene aldehyde removing agent;
the prepared graphene aldehyde removing agent is solid hydrogel, and can capture and adsorb formaldehyde in air and react with the formaldehyde to form a stable compound harmless to human beings.
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| CN108926979B true CN108926979B (en) | 2021-03-09 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102220056A (en) * | 2010-10-29 | 2011-10-19 | 立邦涂料（中国）有限公司 | Low-odor latex paint composite capable of reducing indoor formaldehyde content |
| CN106310909A (en) * | 2016-11-09 | 2017-01-11 | 浙江大学宁波理工学院 | Anion formaldehyde removing agent and preparation method thereof |
| CN106318073A (en) * | 2016-08-25 | 2017-01-11 | 钱小平 | Waterborne protective coating |
| CN107008100A (en) * | 2016-01-27 | 2017-08-04 | 天津明源机械设备有限公司 | A kind of new type gel formula formaldehyde remover |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5270981B2 (en) * | 2008-06-27 | 2013-08-21 | 株式会社オーシカ | Formaldehyde scavenger and woody material using the same |
| CN105597515A (en) * | 2016-01-01 | 2016-05-25 | 东莞市正林化工科技有限公司 | Formaldehyde absorbent and preparing method thereof |
| CN105969016B (en) * | 2016-05-19 | 2018-05-04 | 厦门富思特新材料科技有限公司 | A kind of reflective insulation multicolor finish and preparation method thereof |
| CN106497284B (en) * | 2016-10-25 | 2018-09-07 | 宁波新安涂料有限公司 | A kind of reflective insulation texture multicolor finish and preparation method thereof |
| CN106867350A (en) * | 2017-03-04 | 2017-06-20 | 南京市雨花台区绿宝工业设计服务中心 | It is a kind of except the preparation method of methanal paint |
| CN107586488A (en) * | 2017-09-13 | 2018-01-16 | 陈景芳 | The emulsion paint of formaldehyde can be absorbed |
| CN107876095B (en) * | 2017-11-22 | 2018-09-28 | 广东中盛新型环保科技有限公司 | A kind of Metal Porous-Organic material and preparation method for indoor air purification |
-
2018
- 2018-07-12 CN CN201810761946.8A patent/CN108926979B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102220056A (en) * | 2010-10-29 | 2011-10-19 | 立邦涂料（中国）有限公司 | Low-odor latex paint composite capable of reducing indoor formaldehyde content |
| CN107008100A (en) * | 2016-01-27 | 2017-08-04 | 天津明源机械设备有限公司 | A kind of new type gel formula formaldehyde remover |
| CN106318073A (en) * | 2016-08-25 | 2017-01-11 | 钱小平 | Waterborne protective coating |
| CN106310909A (en) * | 2016-11-09 | 2017-01-11 | 浙江大学宁波理工学院 | Anion formaldehyde removing agent and preparation method thereof |
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Effective date of registration: 20220428 Address after: 315800 Yingluo 186, Daqi Yingluo village, Beilun, Ningbo, Zhejiang Patentee after: NINGBO XIN'AN PAINT CO.,LTD. Address before: 315100 Ningbo Higher Education Park, Zhejiang Province, No. 1 Qian Hunan Road, Ningbo Institute of Technology, Zhejiang University, Branch of Biological and Chemical Engineering Patentee before: Ningbo Institute of Technology, Zhejiang University Patentee before: Ningbo fengqingyang Environmental Protection Technology Co., Ltd |