CN109622021A - A kind of preparation method of copper ion-photo-catalytic sterilization taste removal film and its application on lamps and lanterns - Google Patents
A kind of preparation method of copper ion-photo-catalytic sterilization taste removal film and its application on lamps and lanterns Download PDFInfo
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- CN109622021A CN109622021A CN201910033637.3A CN201910033637A CN109622021A CN 109622021 A CN109622021 A CN 109622021A CN 201910033637 A CN201910033637 A CN 201910033637A CN 109622021 A CN109622021 A CN 109622021A
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- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
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- B01J27/25—Nitrates
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- 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
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- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/39—Photocatalytic properties
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V3/00—Globes; Bowls; Cover glasses
- F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
- F21V3/10—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by coatings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Abstract
The preparation method and its application on lamps and lanterns that the present invention provides a kind of copper ion-photo-catalytic sterilization taste removal film, by copper ion with and photocatalyst material by Cu/Ti molal weight percentage be 0.009~0.05 compound to obtain copper ion-photocatalyst composite material；Bacterium eliminating smell agent slurry is made in composite material and distilled water-dehydrated alcohol preparation slurry ultrasound, and copper ion-photo-catalytic sterilization taste removal film is made through heating after coating.Copper ion itself has bactericidal effect in the present invention, and under no light condition, material film equally has sterilizing deodoring performance；Copper ion doped photocatalyst photochemical catalyst can almost decompose any organic matter, and it not will cause secondary pollution, low energy consumption, material itself is lossless, in conjunction with the water and oxygen generation redox reaction in air, and the hydroxyl free radical of strong oxidizing property is formed on surface, so as to reach air cleaning, sterilization, deodorization and mould proof effect for the organic matter and the substance decompositions such as pernicious gas in air.
Description
Technical field
The present invention relates to photo-catalytic sterilization taste removals, and in particular to a kind of preparation of copper ion-photo-catalytic sterilization taste removal film
Method and its application on lamps and lanterns.
Technical background
Health substantially air, and in the atmospheric environment of our daily life and works all can exist much to body not
The toxic and harmful gas of benefit.Volatile organic contaminant is divided into four classes in indoor environment: highly volatile organic matter (VVOCs),
Volatile organic matter (VOCs), semi-volatile organic matter (SVOCs) and organic matter related with particulate matter or particulate organic matter
(POM), the pollution situation of organic matter is substantially represented with VOCs in the context of detection to indoor organic pollutant.Beauty in 1989
Bureau for Environmental Protection, state layer detects that there are indoor VOCs in more than 900.The source of VOCs is mainly by Building wood in indoor environment
What material, detergent, paint, aqueous coating, adhesive, cosmetics and detergent etc. released, furthermore also can in smoking process
It generates.
Due to people's production and life activity, so that certain micro-organisms may be present in air, including the micro- life of some cause of diseases
Including object, and cause by air the propagation of disease.Especially in the crowded environment of improper ventilation, personnel, room air is had
More microorganism exists.The indoor environment of mankind's activity includes being related to the office of the various aspects such as work, learning recreation, shopping
The various places of the relative closures such as room, classroom, gymnasium, hospital, office building.There is 70 ~ 90% time in all one's life of people in room
It inside tides over, therefore indoor environmental quality influences considerably beyond outdoor environment people's lives and work quality and health,
Therefore harmful substance in room air how is killed, such as the first generated in the formaldehyde that releases of ornament materials and living environment
The volatile contaminants such as mercaptan and all kinds of pathogenic bacteria become people and increasingly ask with concern topic.
Photochemical catalyst is otherwise known as photocatalyst, and the system of the chemical substance of catalytic action can be exactly played under the excitation of photon
Claim, a variety of Disciplinary Frontiers such as the depollution of environment, self-cleaning material, advanced new energy, high-efficiency antimicrobial can be applied to.Trace meter from
The doping of son can significantly change the micro-structure of Nano Titanium Oxide as Photocatalyst film surface, substantially increase film and electrolyte
Contact interface creates extremely advantageous condition in the transmission of solid liquid interface for carrier, and something which increases thin
The photoelectric properties of film keep the photocatalysis performance of film more prominent；In addition, part metals ion itself has bactericidal effect, in nothing
Under the conditions of light, material film equally has sterilizing deodoring performance.Photochemical catalyst can almost decompose any organic matter, and will not make
At secondary pollution, low energy consumption, and material itself is lossless, thus catalysis material using more and more extensive.The prior art
The patents such as CN201340037, CN102980068, CN2695784, CV201429058 and CN102840565 have been presented for one kind
Household air-purifying lamp is mainly utilized on the light source of lamps and lanterns and increases ultraviolet band, irradiates photocatalysis by ultraviolet light
Agent coating realizes light catalytic purifying function.Although prior art is able to achieve Air purification, but due to having used purple
Outside line lamp, be easy to cause ultraviolet light to leak outside, and ultraviolet light has serious damage to the skin and eyesight of the mankind, therefore is not indoor
The preferred plan of purification.
Summary of the invention
In view of the above-mentioned drawbacks of the prior art, the purpose of the present invention is to provide: a kind of copper ion-photo-catalytic sterilization
The preparation method of taste removal film and its application on lamps and lanterns.
To achieve the above object, the technical solution used in the present invention is: providing a kind of copper ion-photo-catalytic sterilization taste removal
The preparation method of film and its application on lamps and lanterns, the copper ion-photo-catalytic sterilization taste removal film, by copper ion and and light
Catalyst material is combined by Cu/Ti molal weight percentage for 0.009~0.05.
A kind of preparation method of copper ion-photo-catalytic sterilization taste removal film, the preparation method comprises the following steps:
(1) TiCl of a, 0.5 mol/L of measurement490 mL of solution is in 70 DEG C of 30 min of magnetic agitation, according to preset blending ratio (SiO2
Mass percentage content 5%, 10%, 15%, 20%, 30%) Na of 0.3 mol/L is slowly added dropwise2SiO3Solution, completion of dropwise addition continue
Stir 20 min；
B, it weighs Cu/Ti molal weight percentage and is 0.009 ~ 0.05% copper nitrate, and be dissolved in 15 mL dehydrated alcohols, in magnetic
Under the stirring of power blender, it is slowly added dropwise in the mixed solution obtained by previous step with 1 drop/s rate；
C, 3 mol/L ammonia spirits are slowly added dropwise and adjust pH value to 5.15, so that solution is generated precipitating, is aged 20h；
D, the mixed solution stirred evenly is placed in microwave synthetic reaction instrument, 130~150 DEG C of temperature, 100~150 W item of power
20~40 min are reacted under part, both obtain copper ion-photocatalyst (Cu after reaction2+/TiO2—SiO2) composite material；
(2) it weighs the material that 2~5 g appeal prepares to be added in 100 mL beakers, by distilled water and dehydrated alcohol according to quality
Percentage is that 1:0.1 is mixed and made into slurry, and slurries are slowly added into beaker, the quality percentage of composite material and slurries while stirring
Than for 1~3:100, then ultrasound obtains copper ion-photo-catalytic sterilization eliminating smell agent slurry to being completely dissolved；
(3) one layer of copper ion-photo-catalytic sterilization eliminating smell agent slurry is coated using the prior art in PC plate, the prior art includes leaching
Stain, spraying, roller coating, chemical deposition or lifting, are then heated in air, heating and temperature control at 60~70 DEG C,
Heating time is 30 min, obtains the copper ion-photo-catalytic sterilization taste removal film.
Copper ion material in the copper ion-photo-catalytic sterilization taste removal film is copper nitrate, the photocatalyst
Material is nano-titanium dioxide TiO2, nano silica SiO2, the Nano-meter SiO_22And nano-TiO2The mass percent of material
It is 5%~30%.
There is one kind copper ion-photo-catalytic sterilization taste removal film to be applied to lamps and lanterns, and lamps and lanterns include light source, aluminium foil shell, lamp
Reflection point on cover, acrylic board and acrylic board；It is thin that copper ion-photo-catalytic sterilization taste removal wherein is coated in cover surface
Film.
The lampshade is plate lampshade or collector lens lampshade.
The colour temperature of the lamp light source is 8000~10000 K, 6000~6500 K, 3000~3200 K, light source luminescent
Wave band is the natural light of 390~780 nm.
The copper ion-photo-catalytic sterilization taste removal film absorption spectrum wavelength is the continuous wave band of 300~800 nm.
The copper ion-photo-catalytic sterilization taste removal film is with a thickness of 0.1~10 μm.
In technical solution provided by the present invention, Cu2+Doping can make Cu2+It is caught as the shallow gesture in light induced electron-hole pair
Obtain trap, Cu2+Outer electronic structure be 3d94s0, capture the outer electronic structure that full full state is generated after a light induced electron
For 3d104s0Cu2+, there is certain stability, light induced electron is by Cu2+After capture, difficult and hole is in conjunction with to extend electricity
The recombination time of son and hole, make Cu2+/TiO2—SiO2Catalyst surface generates more hydroxyl free radicals (OH), makes film
Photocatalysis performance it is more prominent.
The present invention has the effect of positive: copper ion itself has bactericidal effect, and under no light condition, material film is same
With sterilizing deodoring performance.There is copper ion doped photocatalyst photochemical catalyst that can almost decompose any organic matter, and will not make
At secondary pollution, low energy consumption, and material itself is lossless, in conjunction with the water and oxygen generation redox reaction in air, and in table
The hydroxyl free radical (OH) and property ion (0 of face formation strong oxidizing property- 2), so as to by the organic matter and pernicious gas in air
Etc. substance decompositions, reach air cleaning, sterilization, deodorization and mould proof effect.
Specific embodiment
Embodiments of the present invention provide a kind of copper ion-photo-catalytic sterilization taste removal film, including copper ion with and light touching
The Cu/Ti molal weight percentage of catalytic material is 0.009 ~ 0.05.
Photocatalyst material mainly has nanoscale TiO in embodiment2、ZnO、CdS、WO3、Fe2O3、PbS、SnO2、ZnS、
SrTiO3、SiO2One or more of Deng.Copper ion material in copper ion-photo-catalytic sterilization taste removal film is copper nitrate, light
The material of catalyst is nano-TiO2、SiO2。
Embodiment 1
A kind of preparation method of copper ion-photo-catalytic sterilization taste removal film, the preparation method the following steps are included:
(1) prepared by copper ion and photocatalyst composite photo-catalyst
A, TiCl is measured4Solution 3mL is instilled in 5 DEG C of 280 mL deionized waters below, stirs 30 min；
B, NaOH solution is added dropwise and adjusts pH value to 7, makes TiCl4Solution generates precipitating, the white precipitate deionized water that will be obtained
Washing filters, to remove most Na+And Cl-；
C, the precipitating after washing is diluted with deionized water, and concrete content is added in the tetraethyl orthosilicate of 9 mL, be stirred continuously
As white suspension；H is added dropwise2O2(30%) to above-mentioned turbid solution and keeping stirring, until being all transformed into limpid orange
Color solution；
D, the copper nitrate that Cu/Ti molal weight percentage is 0.05 is weighed, under the stirring of magnetic stirring apparatus, with 1 drop/s speed
Rate is slowly added dropwise in the orange solution obtained by previous step and stirs evenly, and continues stirring ageing certain time；
E, above-mentioned solution is heated in water-bath 100 DEG C and keeps the temperature 5 h, obtain the composite material of copper ion and photocatalyst.
(2) copper ion-photo-catalytic sterilization taste removal film spraying
It weighs the material that 5 g appeal prepares to be added in 100 mL beakers, by distilled water and dehydrated alcohol according to mass percent
It is mixed and made into slurry for 1:0.01, slurries are slowly added into beaker while stirring, the mass percent of composite material and slurries is
3:100, then ultrasound obtains copper ion-photo-catalytic sterilization eliminating smell agent slurry to being completely dissolved；With professional spray gun spraying in lampshade
Outer surface forms the film that a layer thickness is 10 μm and obtains copper ion-then in 70 DEG C of 30 min of baking oven internal heating curing
Photo-catalytic sterilization taste removal film.
Lamp light source can be 8000~10000 K of colour temperature in present implementation.
Embodiment 2
A kind of preparation method of copper ion-photo-catalytic sterilization taste removal film, the preparation method the following steps are included:
(1) prepared by copper ion and photocatalyst composite photo-catalyst
A, TiCl is measured4Solution 3mL is instilled in 5 DEG C of 280 mL deionized waters below, stirs 30 min；
B, NaOH solution is added dropwise and adjusts pH value to 7, makes TiCl4Solution generates precipitating, the white precipitate deionized water that will be obtained
Washing filters, to remove most Na+And Cl-；
C, the precipitating after washing is diluted with deionized water, and concrete content is added in the tetraethyl orthosilicate of 3 mL, be stirred continuously
As white suspension；H is added dropwise2O2(30%) to above-mentioned turbid solution and keeping stirring, until being all transformed into limpid orange
Color solution；
D, the copper nitrate that Cu/Ti molal weight percentage is 0.03 is weighed, under the stirring of magnetic stirring apparatus, with 1 drop/s speed
Rate is slowly added dropwise in the orange solution obtained by previous step and stirs evenly, and continues stirring ageing certain time；
E, above-mentioned solution is heated in water-bath 100 DEG C and keeps the temperature 5 h, obtain the composite material of copper ion and photocatalyst.
(2) copper ion-photo-catalytic sterilization taste removal film spraying
It weighs the material that 3 g appeal prepares to be added in 100 mL beakers, by distilled water and dehydrated alcohol according to mass percent
It is mixed and made into slurry for 1:0.01, slurries are slowly added into beaker while stirring, the mass percent of composite material and slurries is
2:100, then ultrasound obtains copper ion-photo-catalytic sterilization eliminating smell agent slurry to being completely dissolved；With professional spray gun spraying in lampshade
It is 0.3 μm of film that outer surface, which forms a layer thickness, then in 70 DEG C of 30 min of baking oven internal heating curing, obtain copper from
Son-photo-catalytic sterilization taste removal film.
Lamp light source can be 6000~6500 K of colour temperature in present implementation.
Embodiment 3
A kind of preparation method of copper ion-photo-catalytic sterilization taste removal film, the preparation method the following steps are included:
(1) prepared by copper ion and photocatalyst composite photo-catalyst
A, TiCl is measured4Solution 3mL is instilled in 5 DEG C of 280 mL deionized waters below, stirs 30 min；
B, NaOH solution is added dropwise and adjusts pH value to 7, makes TiCl4Solution generates precipitating, the white precipitate deionized water that will be obtained
Washing filters, to remove most Na+And Cl-；
C, the precipitating after washing is diluted with deionized water, and concrete content is added in the tetraethyl orthosilicate of 1mL, be stirred continuously into
For white suspension；H is added dropwise2O2(30%) to above-mentioned turbid solution and keeping stirring, until being all transformed into limpid orange colour
Solution；
D, the copper nitrate that Cu/Ti molal weight percentage is 0.009 is weighed, under the stirring of magnetic stirring apparatus, with 1 drop/s speed
Rate is slowly added dropwise in the orange solution obtained by previous step and stirs evenly, and continues stirring ageing certain time；
E, above-mentioned solution is heated in water-bath 100 DEG C and keeps the temperature 5 h, obtain the composite material of copper ion and photocatalyst.
(2) copper ion-photo-catalytic sterilization taste removal film spraying
It weighs the material that 2 g appeal prepares to be added in 100 mL beakers, by distilled water and dehydrated alcohol according to mass percent
It is mixed and made into slurry for 1:0.01, slurries are slowly added into beaker while stirring, the mass percent of composite material and slurries is
1:100, then ultrasound obtains copper ion-photo-catalytic sterilization eliminating smell agent slurry to being completely dissolved；With professional spray gun spraying in lampshade
It is 0.3 μm of film that outer surface, which forms a layer thickness, then in 70 DEG C of 30 min of baking oven internal heating curing, obtain copper from
Son-photo-catalytic sterilization taste removal film.
Lamp light source can be 3000~3200 K of colour temperature in present implementation.
In above embodiments, 24 h are irradiated under natural light LED light source, the efficiency of formaldehyde degradation by photocatalytic oxidation process reaches 90.3%, ammonia
Removal rate reaches 90.5%, and benzene removal rate reaches 87.0%, TVOC removal rate and reaches 91.6%, and Escherichia coli removal rate reaches
99.81%, staphylococcus aureus removal rate is up to 90.27%；Wherein copper ion-photo-catalytic sterilization taste removal film absorption spectrum wave
The continuous wave band of a length of 300 ~ 800 nm.
In the doping Nano Titanium Oxide as Photocatalyst film of lamps and lanterns cover outer surface spraying copper ion in present embodiment, in lamp
Have under light source irradiation, the doping of micro copper ion changed dramatically the micro-structure of Nano Titanium Oxide as Photocatalyst film surface, greatly
Width increases the contact interface of film and electrolyte, creates extremely advantageous condition in the transmission of solid liquid interface for carrier,
Something which increases the photoelectric properties of film, keep the photocatalysis performance of film more prominent, safer；In addition, copper
Ion itself has bactericidal effect, and under no light condition, material film equally has sterilizing deodoring performance.Have copper ion doped
Photocatalyst photochemical catalyst can almost decompose any organic matter, and not will cause secondary pollution, and low energy consumption, and material itself is lossless
Consumption in conjunction with the water and oxygen generation redox reaction in air, and forms the hydroxyl free radical (OH) of strong oxidizing property on surface
And property ion (0- 2), so as to reach the organic matter and the substance decompositions such as pernicious gas in air air cleaning, sterilize, remove
Smelly and mould proof effect.
Claims (6)
1. a kind of copper ion-photo-catalytic sterilization taste removal film preparation method, it is characterised in that: a kind of copper ion-light touching
Matchmaker's sterilizing deodoring film, including copper ion and photocatalyst material, the copper ion with and photocatalyst material Cu/Ti molal weight
Percentage is 0.009 ~ 0.05；Copper ion-photo-catalytic sterilization taste removal film preparation method, specific steps are as follows:
(1) TiCl of a, 0.5 mol/L of measurement490 mL of solution is slowly dripped in 70 DEG C of 30 min of magnetic agitation according to preset blending ratio
Add the Na of 0.3 mol/L2SiO3Solution, completion of dropwise addition continue to stir 20 min；
B, it weighs Cu/Ti molal weight percentage and is 0.009 ~ 0.05% copper nitrate, and be dissolved in 15 mL dehydrated alcohols, in magnetic
Under the stirring of power blender, it is slowly added dropwise in the mixed solution obtained by previous step with 1 drop/s rate；
C, 3 mol/L ammonia spirits are slowly added dropwise and adjust pH value to 5.15, so that solution is generated precipitating, is aged 20h；
D, the mixed solution stirred evenly is placed in microwave synthetic reaction instrument, 130~150 DEG C of temperature, 100~150 W item of power
20~40 min are reacted under part, both obtain copper ion-photocatalyst (Cu after reaction2+/TiO2—SiO2) composite material；
(2) it weighs the material that 2 ~ 5 g appeal prepares to be added in 100 mL beakers, by distilled water and dehydrated alcohol according to quality hundred
Divide than being that 1:0.1 is mixed and made into slurry, slurries are slowly added into beaker, the mass percent of composite material and slurries while stirring
For 1 ~ 3:100, then ultrasound obtains copper ion-photo-catalytic sterilization eliminating smell agent slurry to being completely dissolved；
(3) one layer of copper ion-photo-catalytic sterilization eliminating smell agent slurry is coated using the prior art in PC plate, the prior art includes leaching
Stain, spraying, roller coating, chemical deposition or lifting, are then heated in air, heating and temperature control at 60 ~ 70 DEG C,
Heating time is 30 min, obtains the copper ion-photo-catalytic sterilization taste removal film；
The copper ion material is copper nitrate, and the material of the photocatalyst is nano-TiO2、SiO2；
Predetermined ratio in the step (1) is SiO2Mass percentage content 5%, 10%, 15%, 20%, 30%.
2. a kind of copper ion-application of the photo-catalytic sterilization taste removal film on lamps and lanterns, fitting structure includes light source, lampshade, aluminium foil
Reflection point on shell, acrylic board and acrylic board；It is characterized by: cover surface is coated with copper ion-photo-catalytic sterilization
Taste removal film.
3. a kind of copper ion-application of the photo-catalytic sterilization taste removal film on lamps and lanterns, feature exist according to claim 2
In: the lampshade is plate lampshade or collector lens lampshade.
4. a kind of copper ion-application of the photo-catalytic sterilization taste removal film on lamps and lanterns, feature exist according to claim 2
In the colour temperature of the lamp light source is 8000 ~ 10000 K, 6000 ~ 6500 K, 3000 ~ 3200 K, and light source luminescent wave band is
The natural light of 390 ~ 780 nm.
5. a kind of copper ion-application of the photo-catalytic sterilization taste removal film on lamps and lanterns, feature exist according to claim 2
In: the copper ion-photo-catalytic sterilization taste removal film absorption spectrum wavelength is the continuous wave band of 300 ~ 800 nm.
6. a kind of copper ion-application of the photo-catalytic sterilization taste removal film on lamps and lanterns, feature exist according to claim 2
In: the copper ion-photo-catalytic sterilization taste removal film is with a thickness of 0.1 ~ 10 μm.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113797927A (en) * | 2020-06-12 | 2021-12-17 | 赵石永 | Sterilization film, preparation method thereof and application thereof in lighting device |
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| CN113797927A (en) * | 2020-06-12 | 2021-12-17 | 赵石永 | Sterilization film, preparation method thereof and application thereof in lighting device |
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Application publication date: 20190416 |