CN209680108U - One kind having accumulation of energy photoelectrocatalysis type air cleaning laminated film - Google Patents
One kind having accumulation of energy photoelectrocatalysis type air cleaning laminated film Download PDFInfo
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- CN209680108U CN209680108U CN201822215912.7U CN201822215912U CN209680108U CN 209680108 U CN209680108 U CN 209680108U CN 201822215912 U CN201822215912 U CN 201822215912U CN 209680108 U CN209680108 U CN 209680108U
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Abstract
The utility model relates to technical field of polymer materials, it is concretely a kind of with accumulation of energy photoelectrocatalysis type air cleaning laminated film, it include: matrix, reflection layer, light accumulation of energy layer and photocatalysis layer, the upper surface of matrix is coated with reflection layer, the upper surface of reflection layer is coated with light accumulation of energy layer, the smooth accumulation of energy layer is the patterned structures of cube, there are non-reflective gaps between each light storage cube, photocatalysis layer is coated in the upper surface of light accumulation of energy layer, the photocatalysis layer is to be piled up to form the film containing hole shape by little particle, the utility model is while keeping frivolous feature, it can use natural light or existing light carry out accumulation of energy, without additional energy consumption, it is environmentally protective, and the utilization rate of light is high, sustainable round-the-clock purification air.
Description
Technical field
The utility model relates to technical field of polymer materials, are concretely a kind of with accumulation of energy photoelectrocatalysis type air
Purify laminated film.
Background technique
With the development of economy, environmental pollution has become the bottleneck problem of social development, and Air Contamination is for example volatilizable
Property organic matter (VOCs) has influenced the physical and mental health of people.If service life is shorter with adsorption technologies such as active carbons, absorption is full
Secondary pollution is also easy to produce with after, it is at high cost；If can only be filtered to grit, be gone to organic gas molecule with technologies such as filterings
Except efficiency is very low；If can decompose VOCs with technologies such as plasmas, but energy consumption is high, the service life is short and at high cost；These technologies are not
It is suitble to low cost large-scale use.
It is a kind of more energy-efficient air cleaning new method that organic molecule is decomposed in the photochemical catalytic oxidation of new development.Photocatalytic method
Generally using nanometer titania as catalyst, the oxidable organic matter decomposed in air under ultraviolet light is
A kind of better simply air purifying process.But because of very low (the ultraviolet light ratio one in such as daylight of the ratio of ultraviolet light in natural light
As < 4%), the utilization rate of light is not high；And ultraviolet source artificial at present is mainly mercury lamp, it has a short service life, and (500 ~ 2000 is small
When), operating power consumption is larger, and it is discarded after mercury easily cause serious environmental pollution.In addition, ultraviolet light easily causes the wound to human body
Evil.Therefore the air evolution technology application of ultraviolet catalytic oxidation decomposing organic matter is very restricted, it is difficult to scale application.
Therefore need development cost lower and efficient catalysis material and technology, and scale application can be practiced, be at present there is an urgent need to
It solves the problems, such as.
Document Chinese patent (CN1699263A) " a kind of composite material with purification and beautifying functions ", mainly uses
Long after glow luminous material, nano-photocatalyst material and antisepsis metallic compound with accumulation of energy function are combined with each other, by accumulation of energy
Luminescent material, antisepsis metallic compound and catalysis material powder are fixed etc. in the form of glaze in substrate surface, have the spy that shines
Property, degradation of contaminant and killing and inhibiting effect to bacterium.The method needs to prepare luminescence glaze at high temperature, can only make pottery
Film is prepared on the substrate resistant to high temperature such as porcelain or glass；In addition surface uses nano-titanium dioxide and silver ion composite catalyzing material
Material, belongs to ultraviolet photocatalytic material, catalytic efficiency is lower under visible light.So method is in practical applications by very big limit
System.
And it needs to carry out photocatalysis to surfaces such as many various types of substrates such as wall, furniture, plastics, metal in practical application thin
The coating of film needs that efficient visible light catalytic film can be coated at room temperature, to there is extensive adaptability.
Therefore design it is a kind of can be coated on a variety of substrates at a lower temperature have accumulation of energy photoelectrocatalysis type air
The laminated film of purification function be very it is necessary to.
Summary of the invention
The utility model breaches the problem of the prior art, devises a kind of organic/inorganic composite material in lower temperature
The laminated film with accumulation of energy photoelectrocatalysis type air-cleaning function that can be coated on a variety of substrates under (10 ~ 150 DEG C).It is special
Point is that will have the inorganic nanometer oxide particle of the inorganic fluorescent particle and photo-catalysis function of extinction energy-storage function to have with liquid
Machine compound is complex as the function slurry of coatable film forming, can be formed by curing function film under lower temperature (10 ~ 150 DEG C).
In order to achieve the above object, the utility model devises a kind of with accumulation of energy photoelectrocatalysis type air cleaning THIN COMPOSITE
Film, comprising: matrix, reflection layer, light accumulation of energy layer and photocatalysis layer, it is characterised in that: the upper surface of matrix is reflected coated with light
Layer, the upper surface of reflection layer are coated with light accumulation of energy layer, and the smooth accumulation of energy layer is the patterned structures of cube, and each light storage is vertical
There are non-reflective gaps between cube, are coated with photocatalysis layer in the upper surface of light accumulation of energy layer, the photocatalysis layer is by little particle
It piles up to form the film containing hole shape.
The reflection layer with a thickness of 1 ~ 20 micron, light accumulation of energy layer with a thickness of 1 ~ 60 micron, the thickness of photocatalysis layer
It is 0.1 ~ 2 micron.
Described matrix can be wall, furniture, plastics, metal.
Compared with prior art, the utility model can use certainly the utility model while keeping frivolous feature
Right light or existing light carry out accumulation of energy, environmentally protective without additional energy consumption, and the utilization rate of light is high, sustainable complete
Weather purifies air.Because the utility model can store luminous energy, continuous illumination, the visible light catalytic function on laminated film surface is received
Rice particle can carry out catalytic oxidation to hydrocarbon equal organic molecules and generate carbon dioxide and water, thus have disinfection, it is mould proof, kill
The purification functions such as bacterium, decomposing organic matter.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
The utility model is described further in conjunction with attached drawing.
Referring to Fig. 1, the utility model devises a kind of with accumulation of energy photoelectrocatalysis type air cleaning laminated film, comprising:
Matrix 1, reflection layer 2, light accumulation of energy layer 3 and photocatalysis layer 4, the upper surface of matrix 1 are coated with reflection layer 2, and reflection layer 2 is made
For bottom film, wavelength can be reflected in the light of 400 ~ 700nm, reflectivity is 90% or more, the upper surface of reflection layer 2
Coated with light accumulation of energy layer 3, the smooth accumulation of energy layer 3 is the patterned structures of cube, there is reflection between each light storage cube
Gap, the light that light storage layer 3 is discharged downwards are reflected into photocatalysis layer 4 by reflection layer 2 and non-reflective gap again
In, enhance catalytic action, light accumulation of energy layer 3 is used as intermediate layer film, can carry out absorbing storage simultaneously in the light of 400 ~ 700nm to wavelength
It shines, the luminous sunset glow time is coated with photocatalysis layer 4, the photocatalysis at 10 hours or more, in the upper surface of light accumulation of energy layer 3
Layer 4 is to be piled up to form the film containing hole shape by little particle, and photocatalysis layer 4 is used as surface layer film, can to wavelength 400 ~
The light of 700nm, which absorb, generates photoelectrocatalysis function, can play oxygenolysis to organic molecule.
In the utility model reflection layer 2 with a thickness of 1 ~ 20 micron, light accumulation of energy layer 3 with a thickness of 1 ~ 60 micron, light is urged
Change layer 4 with a thickness of 0.1 ~ 2 micron.
Matrix 1 can be plate or film made of a variety of materials such as wall, furniture, plastics, metal in the utility model.
In specific implementation, the utility model is prepared in accordance with the following steps:
Step 1: preparing reflection layer 2；
Step 2: reflection layer 2 is coated in the upper surface of matrix 1, room temperature or 10 ~ 150 DEG C at a temperature of dry；
Step 3: preparing light accumulation of energy layer 3；
Step 4: light accumulation of energy layer 3 is coated in the upper surface of reflection layer 2, room temperature or 10 ~ 150 DEG C at a temperature of dry in the air
It is dry；
Step 5: preparing photocatalysis layer 4；
Step 6: photocatalysis layer 4 is coated in the upper surface of light accumulation of energy layer 3, room temperature or 10 ~ 150 DEG C at a temperature of dry in the air
It is dry, obtain high efficiency photon accumulating type air cleaning laminated film.
The preparation step for preparing reflection layer 2 is as follows:
Using acrylic resin, polyurethane, epoxy, silicone resin as parent, by size in 200 ~ 400 nanometer ranges
The TiO of core-shell structure2@SiO2Or TiO2@Al2O3Parent is added in composite particles, and is uniformly dispersed, the TiO2@SiO2Or TiO2@
Al2O3The ratio of mixing of composite particles and parent is 5 ~ 30%(wt), using spraying, roller coating, blade coating, inkjet printing, silk-screen printing
Etc. techniques form film of the thickness in 1 ~ 20 micron range, as reflection layer 2.
The preparation step for preparing light accumulation of energy layer 3 is as follows:
Using polyacrylic resin, polyurethane, epoxy, silicone resin lotion as parent, by size at 1 ~ 30 micron
The long-afterglow fluorescent particle incorporation lotion of range is simultaneously uniformly dispersed, the long-afterglow fluorescent particle and lotion mix ratio be 5 ~
50%(wt), thickness is formed in 1 ~ 60 micron range using techniques such as spraying, roller coating, blade coating, inkjet printing, silk-screen printings
Film, as light accumulation of energy layer 3.
The preparation step for preparing photocatalysis layer 4 is as follows:
Using polyacrylic resin, polyurethane, epoxy, siloxanes lotion as parent, by size in 2 ~ 50 nanometer ranges
The metal oxide with visible light catalytic function mix nano-TiO2, SnO, at least one of ZnO particle lotion is added,
And be uniformly dispersed, the metal oxide with visible light catalytic function mixes nano-TiO2, SnO, ZnO particle and lotion
Mixing ratio is 0.1 ~ 5%(wt), using the techniques such as spraying, roller coating, blade coating, inkjet printing, silk-screen printing formed thickness 0.1 ~
Film in 2 micron ranges, as photocatalysis layer 4.
The TiO of core-shell structure in the utility model2@SiO2Or TiO2@Al2O3The size of composite particles is at 200 ~ 400 nanometers
It is in TiO in range2One layer of SiO is coated using sol gel process on particle2Or Al2O3Film be formed by, the SiO2
Or Al2O3Film thickness be 5 ~ 50 nanometers.
In the utility model the fluorescent material of long-afterglow fluorescent particle include it is blue, bluish-green, green, yellowish green, orange, red in extremely
Few one kind, the size of the long-afterglow fluorescent particle are prepared in 1 ~ 30 micron range using solid-phase sintering method, and the blue is
CaAl2O4:Eu2+, Sr2MgSi2O7, Sr2MgSi2O7:Eu2+,Dy3+；
Green is SrAl2O4:Eu2+；Sr(Al1-xBx)2O4:Eu2+；(Sr,Eu,Dy)0.95±x(Al,B)2O3.95±x；(Sr,
Eu,Dy)4-x(Al,B)14O25-x；
Yellow green is SrAl2O4:Eu2+,Dy3+, Sr(Al1-xBx)2O4:Eu2+,Dy3+；
Yellow is CaSi2O2N2；
Orange is Sr3Al2O5Cl2；
Red is Y2O3S:Eu3+,Mg2+,Ti4+；Y2O3S:Sm3+；Y2O3:Eu3+,Dy3+; CaO:Eu3+；Mg2SiO4:Dy3+,
Mn2+；Ca2Si5N8:Eu2+, R3+(R3+=Dy3+,Nd3+,Gd3+,Sm3+)；ATiO3:Pr3+, A=Ca,Sr,Ba 。
Metal oxide in the utility model with visible light catalytic function mixes nano-TiO2, SnO, in ZnO particle
The element mixed is at least one of H, C, N, F, Fe, Cu, Ag, Au, Pt, Ni, W, Mo, Mn, above-mentioned element and metal oxygen
The ratio of mixing of compound is 0.1 ~ 2%(atm), which can be used sol-gal process, hydrothermal synthesis method preparation, it is also possible to
The preparation such as vacuum plasma such as arc process.
The metal oxide nano TiO not mixed2, SnO, ZnO particle have wider semiconductor forbidden bandwidth (>
3.0eV), it mainly absorbs ultraviolet light (wavelength < 400nm) and there is photocatalytic oxidation.Object can be oxidized metal by mixing
The forbidden bandwidth of nanoparticle material becomes smaller (2.0 ~ 3.0eV), 400 ~ 700nm of such visible light absorbing wavelength and urged with light
Change oxidation characteristic, i.e., hydrocarbon equal organic molecules can be carried out under visible light illumination catalytic oxidation generate carbon dioxide and
Water.Therefore using such metal oxide nanoparticles mixed there is disinfection, mould proof, sterilization, decomposition to have under visible light illumination
The purification functions such as machine object.
In specific implementation, first by first layer reflection layer 2 be coated in matrix 1 on, matrix can be used as wall, plank,
Glass, plastic plate or film, metal plate or film, ceramic wafer etc. dry at a temperature of room temperature or 10 ~ 150 DEG C.
Second layer light accumulation of energy layer 3 is coated on 2 surface of first layer reflection layer again, is dried in the air at a temperature of room temperature or 10 ~ 150 DEG C
It is dry.
Last third layer photocatalysis layer 4 is coated on 3 surface of second layer light accumulation of energy layer, dries at room temperature.Work as visible light, wraps
Sunlight, natural light (scattering light), light are included, when being irradiated on the utility model, most photon energy is stored by second layer light
3 material of ergosphere is directly absorbed and is stored, and partially can be reflected back the second layer again by first layer reflection layer 2 through the light of the second layer
It is absorbed, the long-afterglow fluorescent particle in second layer light accumulation of energy layer 3 emits the photon of specific wavelength while extinction energy storage.
Photocatalytic nanometer particle in third layer photocatalysis layer 4 has absorb light photon energy after to the organic matter of adsorption such as
Formaldehyde etc. carries out catalysis oxidation decomposition reaction, generates carbon dioxide and water.Nano-catalytic particle can absorb direct irradiation to film
The photon on surface and the 3 long-afterglow fluorescent corpuscular emission of photon and second layer light accumulation of energy layer reflected by first layer reflection layer 2
The energy of photon.Can directly organic gas be catalytically decomposed when having light or light-illuminating third layer photocatalysis layer 4 daytime and purify
Air；When in evening or dark without light, because the long-afterglow fluorescent particle in second layer light accumulation of energy layer 3 can continue radiating visible light
The photon of (wavelength be 450 ~ 700nm), the nano-catalytic particle in third layer photocatalysis layer 4 can absorb the energy of this partial photonic
And continue that adsorption organic pollutant is catalytically decomposed and purifies air.
Embodiment:
Example 1:
Using non-woven fabrics as substrate, first layer reflection layer 2 is coated on matrix nonwoven interlining bottom 1, at a temperature of 25 DEG C
It dries, with a thickness of 2 microns；Again by second layer light accumulation of energy layer 3(blue light) it is coated on 2 surface of first layer reflection layer, in 25 DEG C of temperature
It is dried under degree, with a thickness of 40 microns；Last third layer photocatalysis layer 4 is coated on 3 surface of second layer light accumulation of energy layer, dries in the air at 25 DEG C
It is dry, with a thickness of 1 micron.This non-woven fabrics applies laminated film, under natural light or light-illuminating, has and absorbs light photon energy
The sustainable organic matter to adsorption includes that formaldehyde etc. plays photo-catalysis function and the functions such as decomposing organic matter, sterilization after amount.Such as
Concentration of formaldehyde, through light (LED white light, power 10W) irradiation in 2 hours, can remove formaldehyde 70% or so in 5PPM in air,
Again after 8 hours (no light), 99% or more formaldehyde can remove.
Example 2:
Using polymer P ET as substrate, first layer reflection layer 2 is coated on matrix PET substrate 1, at a temperature of 60 DEG C
Drying, with a thickness of 1 micron；Again by second layer light accumulation of energy layer 3(green light) it is coated on 2 surface of first layer reflection layer, in 60 DEG C of temperature
The lower drying of degree, with a thickness of 30 microns；Last third layer photocatalysis layer 4 is coated on 3 surface of second layer light accumulation of energy layer, dries at 60 DEG C
It is dry, with a thickness of 1 micron.This PET applies laminated film, under natural light or light-illuminating, has and absorbs light photon energy
The sustainable organic matter to adsorption includes that formaldehyde etc. plays photo-catalysis function and the functions such as decomposing organic matter, sterilization afterwards.Such as exist
Air formaldehyde concentration, through light (LED white light, power 10W) irradiation in 3 hours, can remove formaldehyde 60% or so in 5PPM, then
After 9 hours (no light), 96% or more formaldehyde can remove.
Example 3:
Using glass as substrate, first layer reflection layer 2 is coated on substrate glass substrate 1, is dried at a temperature of 120 DEG C
It is dry, with a thickness of 3 microns；Again by second layer light accumulation of energy layer 3(blue green light) it is coated on 2 surface of first layer reflection layer, in 120 DEG C of temperature
The lower drying of degree, with a thickness of 50 microns；Last third layer photocatalysis layer 4 is coated on 3 surface of second layer light accumulation of energy layer, at 120 DEG C
Drying, with a thickness of 1 micron.This glass applies laminated film, under natural light or light-illuminating, has and absorbs light photon energy
The sustainable organic matter to adsorption includes that formaldehyde etc. plays photo-catalysis function and the functions such as decomposing organic matter, sterilization after amount.Such as
Concentration of formaldehyde, through light (LED white light, power 20W) irradiation in 1 hour, can remove formaldehyde 80% or so in 10PPM in air,
Again after 5 hours (no light), 98% or more formaldehyde can remove.
Claims (3)
1. one kind has accumulation of energy photoelectrocatalysis type air cleaning laminated film, comprising: matrix (1), reflection layer (2), light accumulation of energy
Layer (3) and photocatalysis layer (4), it is characterised in that: the upper surface of matrix (1) is coated with reflection layer (2), reflection layer (2)
Upper surface be coated with light accumulation of energy layer (3), the smooth accumulation of energy layer (3) be cube patterned structures, each light storage cube it
Between there are non-reflective gap, be coated with photocatalysis layer (4) in the upper surface of light accumulation of energy layer (3), the photocatalysis layer (4) is by small
Grain is piled up to form the film containing hole shape.
2. according to claim 1 a kind of with accumulation of energy photoelectrocatalysis type air cleaning laminated film, it is characterised in that: institute
State reflection layer (2) with a thickness of 1 ~ 20 micron, light accumulation of energy layer (3) with a thickness of 1 ~ 60 micron, photocatalysis layer (4) with a thickness of
0.1 ~ 2 micron.
3. according to claim 1 a kind of with accumulation of energy photoelectrocatalysis type air cleaning laminated film, it is characterised in that: institute
Stating matrix (1) can be wall, furniture, plastics, metal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822215912.7U CN209680108U (en) | 2018-12-27 | 2018-12-27 | One kind having accumulation of energy photoelectrocatalysis type air cleaning laminated film |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109529954A (en) * | 2018-12-27 | 2019-03-29 | 苏州晶能科技有限公司 | One kind having accumulation of energy photoelectrocatalysis type air cleaning laminated film and preparation method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109529954A (en) * | 2018-12-27 | 2019-03-29 | 苏州晶能科技有限公司 | One kind having accumulation of energy photoelectrocatalysis type air cleaning laminated film and preparation method |
| CN109529954B (en) * | 2018-12-27 | 2024-03-12 | 苏州晶能科技有限公司 | Energy-storage photoelectrocatalysis type air purification composite film and preparation method thereof |
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