CN110180601A - A kind of improvement photo-catalytic nano silver is compound except formaldehyde eliminates the unusual smell spray and preparation method thereof - Google Patents

A kind of improvement photo-catalytic nano silver is compound except formaldehyde eliminates the unusual smell spray and preparation method thereof Download PDF

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Publication number
CN110180601A
CN110180601A CN201910446264.2A CN201910446264A CN110180601A CN 110180601 A CN110180601 A CN 110180601A CN 201910446264 A CN201910446264 A CN 201910446264A CN 110180601 A CN110180601 A CN 110180601A
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CN
China
Prior art keywords
titanium dioxide
unusual smell
compound except
nano silver
except formaldehyde
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910446264.2A
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Chinese (zh)
Inventor
王孟强
孙文明
张伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BEIJING CAS EAST ASIA NANO MATERIAL TECHNOLOGY Co Ltd
Original Assignee
BEIJING CAS EAST ASIA NANO MATERIAL TECHNOLOGY Co Ltd
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Application filed by BEIJING CAS EAST ASIA NANO MATERIAL TECHNOLOGY Co Ltd filed Critical BEIJING CAS EAST ASIA NANO MATERIAL TECHNOLOGY Co Ltd
Priority to CN201910446264.2A priority Critical patent/CN110180601A/en
Publication of CN110180601A publication Critical patent/CN110180601A/en
Pending legal-status Critical Current

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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
    • A01N59/16—Heavy metals; Compounds thereof
    • 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
    • B01D53/86—Catalytic processes
    • B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
    • 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
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/24—Nitrogen compounds
    • 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
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/26—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24
    • B01J31/38—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24 of titanium, zirconium or hafnium
    • 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

Abstract

A kind of improvement photo-catalytic nano silver is compound except formaldehyde eliminates the unusual smell spray and preparation method thereof.The invention belongs to technical field of function materials, and ingredient is environmentally protective, can efficiently remove formaldehyde under visible light, applied widely, solve the above problem of the existing technology.It is compound except formaldehyde eliminates the unusual smell spray that specifically the present invention relates to a kind of improvement photo-catalytic nano silver, by following weight percent at being grouped as: nitrogen-doped titanium dioxide 1-16%, anatase titanium dioxide 1-10%, nano-silver colloid 0.1-2%, 2- imidazolidinone 1-10%, dispersing agent 0-2%, ethyl alcohol 50-75%, surplus are pure water.The present invention also provides preparation methods.

Description

A kind of improvement photo-catalytic nano silver is compound except formaldehyde eliminates the unusual smell spray and preparation method thereof
Technical field
The invention belongs to technical field of function materials, compound except formaldehyde sprays in particular to a kind of improvement photo-catalytic nano silver The application field of agent.
Background technique
Formaldehyde is a kind of volatile organic compound, and colourless to have special odor, soluble easily in water, in China, toxic chemical is excellent It first controls and is located at second in list.The main harm performance of formaldehyde to the stimulation of skin and mucosa, it is specific it can to eye, Skin and respiratory tract generate stimulation, cause nervous system, and the malfunction of immune system and endocrine system is long-term to inhale Receiving formaldehyde gas can give rise to diseases, the serious life security that can jeopardize human body.It therefore must be to the pollution of room air Object is administered, and makes its control within national standard, goes back our healthy and safe living environment.
Except formaldehyde products mainly have physics and chemical two ways present in existing market.
The physical absorption of physics mode such as active carbon etc., practical adsorbance is limited, needs to replace in time after adsorption saturation Otherwise it will cause secondary pollution.
Chemical mode has efficiently except effect of formaldehyde, but its final effect of many products can all be used ring on the market The limitation in border such as discloses Formaldehyde Pollution of Indoor Air application No. is 201210279279.2 Chinese invention patent and removes catalyst, Shen Please number for 201310567823.8 a Chinese invention patent disclose a kind of Nano titanium dioxide solution and preparation method thereof and Except the method for formaldehyde, the above invention contains titanium dioxide, and the principle of decomposing formaldehyde mainly relies on the light of titanium dioxide to urge Change and the organic pollutants such as formaldehyde are decomposed into carbon dioxide and water, but since titanium dioxide is ultraviolet light catalyst, maximum is inhaled Application can only be eventually led in 387nm or so, therefore under unglazed or visible light conditions to no effect or effect is weak by receiving wavelength Range has significant limitation.
The patent CN103461381A of the East Asia Zhong Ke Nono-material Science & Technology Ltd. equally exists the office of application range It is sex-limited.
Therefore in view of the above shortcomings, develop environmental-friendly and can be under visible light efficiently except formaldehyde materials Related research staff's problem to be solved.
Summary of the invention
The present invention provides a kind of improvement photo-catalytic nano silver is compound except formaldehyde spray and preparation method thereof, ingredient It is environment-protecting and non-poisonous, the formaldehyde that can be efficiently removed in environment under visible light is realized, it is applied widely, it solves above-mentioned existing The deficiency of technology.
The present invention has the characteristics that following and function:
(1) nitrogen-doped titanium dioxide and titanium dioxide share: having expanded photo-catalytic nano silver by adding nitrogen-doped titanium dioxide It is compound except formaldehyde eliminates the unusual smell the application range of spray, realize the formaldehyde that can be efficiently removed in environment under natural light.
(2) nano silver: the strong killing of the superpower permeance property of nano silver and inhibition various bacteria.
The present invention takes technical solution below: a kind of improvement photo-catalytic nano silver is compound except formaldehyde eliminates the unusual smell spray.Its It is characterized in that: comprising the following raw materials by weight percent: nitrogen-doped titanium dioxide 1-16%, anatase titanium dioxide 1- 10%, nano-silver colloid 0.1-2%, 2- imidazolidinone 1-10%, dispersing agent 0-2%, ethyl alcohol 50-75%, surplus are pure water.
The nitrogen-doped titanium dioxide can make by oneself or commercially available acquisition.
The anatase titanium dioxide granular size 5-15nm.
The nano-silver colloid can make or commercially available acquisition.
The dispersing agent is polyethylene glycol 200, polyethylene glycol 400, nonylphenol polyoxyethylene ether, aliphatic alcohol polyethenoxy Ether, one of lauryl sodium sulfate or combinations thereof.
It is compound except formaldehyde eliminates the unusual smell spray that the present invention also provides a kind of improvement photo-catalytic nano silver, by following weight percent The raw material of ratio forms: nitrogen-doped titanium dioxide 1-16%, anatase titanium dioxide 1-10%, nano-silver colloid 0.1-2%, 2- imidazoles Alkanone 1-10%, dispersing agent 0-2%, ethyl alcohol 50-75%, surplus are pure water.
It is a kind of that prepare the foregoing photo-catalytic nano silver that improves compound except formaldehyde eliminates the unusual smell the preparation method of spray, including Following step:
(1) it takes nitrogen-doped titanium dioxide as claimed in claim 2 to be distributed in pure water, 20-40min is sufficiently stirred at room temperature, obtain To stable nitrogen-doped titanium dioxide aqueous solution.
(2) it takes anatase titanium dioxide as claimed in claim 2 to be distributed in pure water, 20- is sufficiently stirred at room temperature 40min obtains stable titanium dioxide aqueous solution.
(3) it takes nano-silver colloid as claimed in claim 2,2- imidazolidinone, dispersing agent to be added in pure water, stirs at room temperature 20-40min obtains mixed liquor.
(4) step (1)-(3) mixed liquor is added separately in alcohol, 20-40min is sufficiently stirred at room temperature, obtains A kind of improvement photo-catalytic nano silver is compound except formaldehyde eliminates the unusual smell spray.
It is preferred that step (1)-(4) mixing time be 30min.
The present invention has the advantage that: formaldehyde is efficiently removed under visible light, sterilizing ability is strong, low manufacture cost, construction letter It is single.
Specific embodiment
Nitrogen-doped titanium dioxide used in embodiment is " the nitrogen-doped nanometer TiO such as bibliography Wang Quan loyalty2Preparation And its photocatalytic activity " in correlation technique preparation, using urea as nitrogen source, tetrabutyl titanate is titanium source, and N:Ti molar ratio is 2: 1, calcination temperature is 500 DEG C, calcination time 2h, and Detitanium-ore-type nitrogen-doped titanium dioxide photocatalyst clear in structure is made.
Nano-silver colloid solution used in embodiment can pass through self-control or commercially available acquisition.It is by with lower section in the present invention Method self-control: first by the AgNO of 2mL 5mmol/L3It is diluted to 25mL, is heated to 65 DEG C, it is 0.4% that 5mL mass fraction, which is added dropwise, Tea polyphenols aqueous solution, continue stir 2h to get.
Embodiment 1
A kind of improvement photo-catalytic nano silver is compound except formaldehyde eliminates the unusual smell spray, and by following weight percent at being grouped as: nitrogen is mixed Miscellaneous titanium dioxide 12g, anatase titanium dioxide 3g, nano-silver colloid 0.5g, 2- imidazolidinone 3g, polyethylene glycol 200 0.2g, Alcohol 50g, pure water 31.3g.
Specific preparation process is as follows:
(1) it takes nitrogen-doped titanium dioxide 12g to be distributed in 11.3g pure water, 30min is sufficiently stirred at room temperature, obtain N doping two Titanium oxide solution.
(2) it takes 3g anatase titanium dioxide to be distributed in 10g pure water, 30min is sufficiently stirred at room temperature, obtain titanium dioxide Titanium solution.
(3) nano-silver colloid 0.5g is taken respectively, 2- imidazolidinone 3g, polyethylene glycol 200 0.2g are dissolved in 10g pure water, room temperature Lower stirring 30min, obtains mixed solution.
(4) step (1)-(3) mixed liquor is added separately in 50g alcohol, 30min is sufficiently stirred, obtain improving light Catalyst nano silver is compound except formaldehyde eliminates the unusual smell spray.
Embodiment 2
Remove formaldehyde germicidal spray under a kind of visible light, by following weight percent at being grouped as: nitrogen-doped titanium dioxide 6g, it is sharp Titanium ore type titanium dioxide 5g, nano-silver colloid 1.6g, 2- imidazolidinone 5g, polyethylene glycol 400 0.2g, alcohol 50g, pure water 32.2g。
Specific preparation process is as follows:
(1) it takes nitrogen-doped titanium dioxide 6g to be distributed in 12.2g pure water, 30min is sufficiently stirred at room temperature, obtain N doping dioxy Change titanium solution.
(2) it takes 5g anatase titanium dioxide to be distributed in 10g pure water, 30min is sufficiently stirred at room temperature, obtain titanium dioxide Titanium solution.
(3) nano-silver colloid 1.6g is taken respectively, 2- imidazolidinone 5g, lauryl sodium sulfate 0.2g are dissolved in 10g pure water, room Temperature is lower to stir 30min, obtains mixed solution.
(4) step (1)-(3) mixed liquor is added separately in 50g alcohol, 30min is sufficiently stirred, obtain improving light Catalyst nano silver eliminates the unusual smell spray except formaldehyde.
Test case 1
It weighs under the visible light in embodiment 1-2 except each 10g of formaldehyde germicidal spray, is respectively put into, initial formaldehyde solubility is 50mg/ m31m3Sealed compartment in, then measure sealed compartment in concentration of formaldehyde change with time, concrete outcome is shown in Table 1.
As seen from the data in Table 1, embodiment 1-2 has efficiently except formaldehyde ability.
Above-described embodiment mode should not be understood the limitation of pairs of protection scope of the present invention, all without departing substantially from present inventive concept Change or equivalent substitute be included in protection scope of the present invention.
1 test case of table, 1 result.

Claims (6)

1. a kind of improvement photo-catalytic nano silver is compound except formaldehyde eliminates the unusual smell spray, it is characterised in that: be made of following material composition: Nitrogen-doped titanium dioxide, anatase titanium dioxide, nano-silver colloid, 2- imidazolidinone, dispersing agent, ethyl alcohol, pure water.
2. a kind of improvement photo-catalytic nano silver according to claim 1 is compound except formaldehyde eliminates the unusual smell spray, which is characterized in that It comprises the following raw materials by weight percent: nitrogen-doped titanium dioxide 1-16%, anatase titanium dioxide 1-10%, nano-silver colloid 0.1-2%, 2- imidazolidinone 1-10%, dispersing agent 0-2%, ethyl alcohol 50-75%, surplus are pure water.
3. a kind of improvement photo-catalytic nano silver according to claim 1 is compound except formaldehyde eliminates the unusual smell spray, it is characterised in that Its granular size of the anatase titanium dioxide is 5-15nm.
4. a kind of improvement photo-catalytic nano silver according to claim 1 is compound except formaldehyde eliminates the unusual smell spray, it is characterised in that The dispersing agent be polyethylene glycol 200, polyethylene glycol 400, nonylphenol polyoxyethylene ether, fatty alcohol polyoxyethylene ether, 12 One of sodium alkyl sulfate or combinations thereof.
5. a kind of photo-catalytic nano silver that improves described in claim 1 is compound except formaldehyde eliminates the unusual smell the preparation method of spray, special Sign is, mainly comprises the steps that
(1) it takes nitrogen-doped titanium dioxide as claimed in claim 2 to be distributed in pure water, 20-40min is sufficiently stirred at room temperature, obtain To stable nitrogen-doped titanium dioxide aqueous solution；
(2) it takes anatase titanium dioxide as claimed in claim 2 to be distributed in pure water, 20-40min is sufficiently stirred at room temperature, Obtain stable titanium dioxide aqueous solution；
(3) it takes nano-silver colloid as claimed in claim 2,2- imidazolidinone, dispersing agent to be added in pure water, stirs 20- at room temperature 40min obtains mixed liquor；
(4) step (1)-(3) mixed liquor is added separately in alcohol, 20-40min is sufficiently stirred at room temperature, obtains one kind It is compound except formaldehyde eliminates the unusual smell spray to improve photo-catalytic nano silver.
6. a kind of photo-catalytic nano silver that improves according to claim 5 is compound except formaldehyde eliminates the unusual smell the preparation method of spray, It is characterized in that, step (1)-(4) mixing time is 30min.
CN201910446264.2A 2019-05-27 2019-05-27 A kind of improvement photo-catalytic nano silver is compound except formaldehyde eliminates the unusual smell spray and preparation method thereof Pending CN110180601A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112121633A (en) * 2020-09-25 2020-12-25 山东德慧环境科技有限公司 Peculiar smell scavenger and preparation method thereof
CN112625568A (en) * 2021-01-08 2021-04-09 成都彰铭启科技有限公司 Preparation method of aldehyde-removing composite coating for artificial board
CN115068651A (en) * 2022-06-09 2022-09-20 深圳乙奇生物科技有限公司 Nanometer photolysis degerming odor-removing spray and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103461381A (en) * 2013-07-05 2013-12-25 北京中科东亚纳米材料科技有限公司 Preparation method of composite disinfectant used for removing formaldehyde and peculiar smell
CN104826264A (en) * 2015-05-20 2015-08-12 浙江冰虫环保科技有限公司 Environment-friendly efficient photocatalyst formaldehyde scavenger
CN108926994A (en) * 2018-07-04 2018-12-04 绍兴臣工新材料科技有限公司 Visible light removes the multifunctional air cleaning agent and its preparation method of formaldehyde and antibacterial
US20190009249A1 (en) * 2015-12-28 2019-01-10 Shanghai Kumhosunny Plastics Co., Ltd. Self-Formaldehyde-scavenging heat-resistant ABS material and preparation method therefor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103461381A (en) * 2013-07-05 2013-12-25 北京中科东亚纳米材料科技有限公司 Preparation method of composite disinfectant used for removing formaldehyde and peculiar smell
CN104826264A (en) * 2015-05-20 2015-08-12 浙江冰虫环保科技有限公司 Environment-friendly efficient photocatalyst formaldehyde scavenger
US20190009249A1 (en) * 2015-12-28 2019-01-10 Shanghai Kumhosunny Plastics Co., Ltd. Self-Formaldehyde-scavenging heat-resistant ABS material and preparation method therefor
CN108926994A (en) * 2018-07-04 2018-12-04 绍兴臣工新材料科技有限公司 Visible light removes the multifunctional air cleaning agent and its preparation method of formaldehyde and antibacterial

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112121633A (en) * 2020-09-25 2020-12-25 山东德慧环境科技有限公司 Peculiar smell scavenger and preparation method thereof
CN112625568A (en) * 2021-01-08 2021-04-09 成都彰铭启科技有限公司 Preparation method of aldehyde-removing composite coating for artificial board
CN115068651A (en) * 2022-06-09 2022-09-20 深圳乙奇生物科技有限公司 Nanometer photolysis degerming odor-removing spray and preparation method thereof
CN115068651B (en) * 2022-06-09 2024-03-12 深圳乙奇生物科技有限公司 Nanometer photo-degerming deodorizing spray and preparation method thereof

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Application publication date: 20190830