CN106390740B - A kind of formaldehyde degradation by photocatalytic oxidation process film - Google Patents
A kind of formaldehyde degradation by photocatalytic oxidation process film Download PDFInfo
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- CN106390740B CN106390740B CN201611149202.8A CN201611149202A CN106390740B CN 106390740 B CN106390740 B CN 106390740B CN 201611149202 A CN201611149202 A CN 201611149202A CN 106390740 B CN106390740 B CN 106390740B
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- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title claims abstract description 275
- 238000006731 degradation reaction Methods 0.000 title claims abstract description 83
- 238000000034 method Methods 0.000 title claims abstract description 83
- 230000015556 catabolic process Effects 0.000 title claims abstract description 82
- 230000001699 photocatalysis Effects 0.000 title claims abstract description 58
- 230000003647 oxidation Effects 0.000 title claims abstract description 50
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 50
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 98
- 239000000463 material Substances 0.000 claims abstract description 52
- 238000006555 catalytic reaction Methods 0.000 claims abstract description 19
- 239000003292 glue Substances 0.000 claims description 41
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 36
- 238000009434 installation Methods 0.000 claims description 29
- 239000011248 coating agent Substances 0.000 claims description 23
- 238000000576 coating method Methods 0.000 claims description 23
- 239000002904 solvent Substances 0.000 claims description 22
- 239000004925 Acrylic resin Substances 0.000 claims description 17
- 229920000178 Acrylic resin Polymers 0.000 claims description 16
- 239000002318 adhesion promoter Substances 0.000 claims description 13
- 239000004611 light stabiliser Substances 0.000 claims description 13
- 238000002360 preparation method Methods 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims 3
- 239000002253 acid Substances 0.000 claims 1
- 150000001336 alkenes Chemical class 0.000 claims 1
- 125000004494 ethyl ester group Chemical group 0.000 claims 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 238000007146 photocatalysis Methods 0.000 abstract description 11
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000007921 spray Substances 0.000 abstract description 4
- 239000012528 membrane Substances 0.000 abstract description 3
- 239000011941 photocatalyst Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 11
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 8
- 238000003756 stirring Methods 0.000 description 6
- 238000005286 illumination Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- -1 for 24 hours Substances 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 201000004624 Dermatitis Diseases 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M acrylate group Chemical group C(C=C)(=O)[O-] NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 208000006673 asthma Diseases 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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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
- B01D53/86—Catalytic processes
- B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
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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
- B01D53/22—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 by diffusion
- B01D53/228—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 by diffusion characterised by specific membranes
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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
- B01D53/86—Catalytic processes
- B01D53/88—Handling or mounting catalysts
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- 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/063—Titanium; Oxides or hydroxides thereof
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- 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
- 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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- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
- B01J35/58—Fabrics or filaments
- B01J35/59—Membranes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20707—Titanium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/80—Type of catalytic reaction
- B01D2255/802—Photocatalytic
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- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
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Abstract
The invention discloses a kind of formaldehyde degradation by photocatalytic oxidation process films, belong to technical field of membrane.Photocatalysis technology is combined by the present invention with automobile film, building film, household film；By nano level catalysis material TiO2It is added in a certain way in automobile film, building film, household film hard conating, ensure that the original performance of product, neither change hardness, the scratch resistance performance of former film hard conating, transmitance etc., and increase the function of degradation of formaldehyde.The formaldehyde degradation by photocatalytic oxidation process film of the present invention, short relative to general photocatalyst spray service life, degradation of formaldehyde film of the present invention can use 2 years or more, improve product service life.
Description
Technical field
The present invention relates to a kind of formaldehyde degradation by photocatalytic oxidation process films, belong to technical field of membrane.
Background technology
Formaldehyde Pollution of Indoor Air causes grave danger to human lives, includes in building living space and in automobile etc
In confined space.Indoor formaldehyde is mainly derived from interior decoration object and some leather products, also various not meet national life
The illegal material of production standard.China provides that indoor formaldehyde content is no more than 0.08mg/m3, high-concentration formaldehyde can cause eye,
Throat discomfort, uncomfortable in chest, asthma, dermatitis etc., also fearful carcinogenic risk.
Currently, there are many existing method for administering formaldehyde pollution on the market, such as microbial degradation method, plant purification, change
Learn reaction method, physical adsorption techniques, nano photo catalyzed oxidation etc..But microbial degradation method cannot be used for a long time；Plant is net
Change method is put excessively, and night keeps the gas concentration lwevel in room excessively high, unhealthful；Chemical reaction method itself can cause chemistry
Pollution；Physical adsorption process needs to consume extra energy consumption, increases cost；And the environmental protection of nano photo catalyzed oxidation degradation of formaldehyde, peace
Entirely, efficiently, energy consumption it is small.
Current formaldehyde degradation by photocatalytic oxidation process film is mostly filter membrane, not substantial formaldehyde degradation by photocatalytic oxidation process film；Other one
A little formaldehyde technologies of administering are mostly some air purifiers, spray or coating.Only TiO on the market at present2Spray, product
Inefficient and service life is very short, can be by wind, natural force after dry, the destructions such as artificial contact scrapes, from original loaded article
Upper disappearance.
Invention content
To solve the above-mentioned problems, the present invention provides a kind of formaldehyde degradation by photocatalytic oxidation process films, it is intended that does not change original automobile
Film, building film, household film performance basis on, the function of degradation of formaldehyde is increased, especially in newly-decorated house, newly buy
Furniture, the automobile newly purchased all play the role of good degradation of formaldehyde.The present invention is to combine nano photo catalyzed oxidation to harden
Liquid coating is applied to film industry, by nano-TiO2Dispersion liquid is added to the hard conating of the products such as automobile film, building film, household film
In, the performance of original automobile film, building film, household film is neither influenced, and degradation of formaldehyde can be played the role of.
The preparation method of the formaldehyde degradation by photocatalytic oxidation process film of the present invention, the formaldehyde degradation by photocatalytic oxidation process film include being dispersed with successively
Nano-TiO2Hard conating, substrate layer, installation glue-line, release film layer；The preparation method includes：(1) it configures certain density
Glue is installed, installation glue is uniformly coated in one side surface of base material；(2) by a certain amount of catalysis material TiO2It is added to basic hard painting
In layer component, then coated in another side surface of base material；Wherein, the catalysis material nano-TiO2For anatase titanium dioxide TiO2, gold
Red stone-type TiO2In the combination of any one or two kinds.
In one embodiment, the nano-TiO2Grain size be 15nm~100nm.
In one embodiment, the nano-TiO2It is anatase titanium dioxide TiO2And rutile TiO2According to mass ratio (3~
5):What the ratio of (5~7) was mixed to get.
In one embodiment, the nano-TiO2It is anatase titanium dioxide TiO2And rutile TiO2According to mass ratio 4：6 is mixed
It closes.
In one embodiment, the step (2) is specifically：Solvent ethyl acetate is added in glue container first；
Then by catalysis material TiO2It is added to fill and matching in glue container for solvent is stirred 0.5~1.5h；Add acrylic acid
Resin, 0.3~0.6h of ultrasonic disperse；Be added adhesion promoter, light stabilizer, photoinitiator etc. be sufficiently stirred 0.5 again~
1.5h obtains finely dispersed hardening bath coating；Hardening bath coating further carries out machine coating, is coated in the side table of base material
Face.
In one embodiment, the catalysis material TiO2Quality be acrylic resin in basic hard conating component
The 7%~9% of quality.
In one embodiment, the catalysis material TiO2Quality be acrylic resin in basic hard conating component
The 8% of quality.
In one embodiment, the basic hard conating component main component is the acrylic resin of UV light-cured types,
Life of product is long, and aging hard conating hardness reaches 3H, turbidity is less than 3%, and product clarity is high.
In one embodiment, in the basic hard conating component, according to the mass fraction, containing acrylic resin 8~
12 parts, 12~18 parts of solvent ethyl acetate, 0.08~0.12 part of adhesion promoter, 0.08~0.12 part of light stabilizer, light draws
Send out 0.08~0.12 part of agent.
In one embodiment, in the basic hard conating component, according to the mass fraction, contain acrylic resin 10
Part, 15 parts of solvent ethyl acetate, 0.1 part of adhesion promoter, 0.1 part of light stabilizer, 0.1 part of photoinitiator.
In one embodiment, described to be dispersed with nano-TiO2Hard conating thickness be 1~5 μm.
In one embodiment, the material of the substrate layer is any one in PET, PE, PVC, PP, PC and TPU etc.
Kind or two or more combinations.
In one embodiment, the material of the installation glue-line is acrylate, polyurethane resin, silica column
Any one in or two or more combinations.
In one embodiment, the thickness of the installation glue-line is 5~15 μm.It can be wanted according to client or specific products
It asks, control control installs glue thickness or installation glue material type to control peeling force size.
In one embodiment, the installation glue-line is mainly used to fitting installation.
In one embodiment, the release film is any one in silicon release film, fluorine release film etc..
In one embodiment, the release film is mainly used to protection installation glue.
Second object of the present invention is to provide the formaldehyde degradation by photocatalytic oxidation process film in household, building, automobile etc.
Using.
Advantages of the present invention and effect：
(1) photocatalysis technology is combined by the present invention with automobile film, building film, household film；By nano level photocatalysis material
Expect TiO2It is added in a certain way in the hard conating of automobile film, building film, household film, ensure that the original performance of product, both
Do not change hardness, the scratch resistance performance of former film hard conating, transmitance (product transmitance of the present invention reaches 88% or more) etc., and increases
The function of degradation of formaldehyde.
(2) present invention is by catalysis material TiO2Feed postition be improved, effectively increase photocatalytic degradation
The catalytic degradation effect of formaldehyde film；In addition, by controlling anatase titanium dioxide TiO2And rutile TiO2Ratio effectively improve light and urge
Change the catalytic degradation effect of degradation of formaldehyde film.
(3) formaldehyde degradation by photocatalytic oxidation process film of the invention, short relative to general photocatalyst spray service life, the present invention will
TiO2Degradation of formaldehyde film obtained from being added in hard conating can ensure TiO2Catalysis material long-term existence simultaneously works, product
It is strong that hardness reaches 3H, scratch resistance performance, can't be by wind, natural force, and the destructions such as artificial contact scrapes substantially increase the product longevity
Life.Degradation of formaldehyde film can use 2 years or more.
Description of the drawings
Fig. 1 is the structural schematic diagram of the formaldehyde degradation by photocatalytic oxidation process film of the present invention.
Specific embodiment
Here is that the present invention is specifically described.
Embodiment 1：The structure of formaldehyde degradation by photocatalytic oxidation process film
The product structure of the present invention is as shown in Figure 1.
The formaldehyde degradation by photocatalytic oxidation process film of the present invention, main includes being dispersed with nano-TiO2Hard conating, substrate layer, installation glue
Layer, release film layer.It is described to be dispersed with nano-TiO2Hard conating be located at the outermost layer of formaldehyde degradation by photocatalytic oxidation process film, thickness is 1~5
μm；The thickness for installing glue-line is 5~15 μm.Installation glue-line is mainly used to fitting installation, and release film is mainly used to protection installation glue.
Embodiment 2：The preparation of formaldehyde degradation by photocatalytic oxidation process film
Formaldehyde degradation by photocatalytic oxidation process film is prepared in accordance with the following methods：
(1) certain density installation glue is configured；
(2) installation glue is uniformly coated in one side surface of base material；It is 10 μm or so to install glue thickness；
(3) by a certain amount of catalysis material TiO2It is added in basic hard conating component, specifically：
It counts in parts by weight, 15 parts of solvent ethyl acetate is added first in glue bucket；Then by 0.8 part of photocatalysis
Material nano TiO2It is added in the bucket for fill solvent and stirs 1.5h；Add 10 parts of acrylic resins, ultrasonic disperse 0.5h；So
0.1 part of adhesion promoter, 0.1 part of light stabilizer, 0.1 part of photoinitiator etc. are added afterwards and is sufficiently stirred 1.5h again, is disperseed
Uniform hardening bath coating.Wherein nano-TiO2It is anatase titanium dioxide TiO2And rutile TiO2According to mass ratio 4:6 ratio mixing
It obtains.
(4) machine coating is carried out, previous step hard conating is coated in the other side of base material；80 ° of oven temperature is controlled, illumination is strong
Spend 280mJ/cm2, linear velocity 30m/min can obtain different-thickness according to technique, for example, thickness be 1~5 μm degradation
Formaldehyde film.
According to the method described above, it has been prepared in hard conating and has been dispersed with nano-TiO2Formaldehyde degradation by photocatalytic oxidation process film.
It is 1m to inventors tested a large hard coating surface product2, thickness be 5 μm formaldehyde degradation by photocatalytic oxidation process film it is dense in different formaldehyde
Degradation effect under degree, the results are shown in Table 1.
Degradation effect under the different concentration of formaldehyde of table 1
Note：Sample is put in 1 cubic metre of Laboratory Module, heats volatile pollutants, for 24 hours, sample detecting is dirty for daylight light irradiation
Object concentration is contaminated, removal rate is calculated.
The results show that the formaldehyde degradation by photocatalytic oxidation process film that the present embodiment method obtains can be penetrated with efficient degradation formaldehyde, product
Rate reaches 90% or more, and to reach 3H, scratch resistance performance strong for hardness, can't be by wind, natural force, and it is broken that artificial contact scrapes etc.
It is bad.In addition, since 5 μm of hard coat layer thickness is suitable, it is not easy to it fractures, it is higher in the adhesive force of base material layer surface, it can be used for a long time.
The concentration of formaldehyde being significantly larger than due to the concentration of formaldehyde in experimental situation after practical finishing under normal circumstances, and hard coat layer thickness with
Conventional vehicle film, building film, household film thickness are suitable, illustrate that the formaldehyde degradation by photocatalytic oxidation process film of the present embodiment can be adapted for preparing
Automobile film, building film, household film etc..The formaldehyde degradation by photocatalytic oxidation process film of the present invention is shown in normal domestic environment through simulation test
It is middle certain by formaldehyde effect using still having after 2 years, in 2.07mg/m3In the environment of be put into test film process remain to for 24 hours
Reach 28% or more degradation rate.
In addition, it is 1m that inventor, which also compares the surface area that the present embodiment obtains,2, different hard coat layer thickness photocatalysis drop
The Degradation Formaldehyde effect of formaldehyde film is solved, the results are shown in Table 2.
The Degradation Formaldehyde effect of the formaldehyde degradation by photocatalytic oxidation process film of the different hard coat layer thickness of table 2
Note：Sample is put in 1 cubic metre of Laboratory Module, heats volatile pollutants, for 24 hours, sample detecting is dirty for daylight light irradiation
Object concentration is contaminated, removal rate is calculated.
As shown in Table 2, in the case of 1~4 μm of hard conating, all also good degradation effect,
Embodiment 3：The preparation of formaldehyde degradation by photocatalytic oxidation process film
Formaldehyde degradation by photocatalytic oxidation process film is prepared in accordance with the following methods：
(1) certain density installation glue is configured；
(2) installation glue is uniformly coated in one side surface of base material；It is 5 μm or so to install glue thickness；
(3) by a certain amount of catalysis material TiO2Dispersion liquid is added in basic hard conating component, specifically：
It counts in parts by weight, 13 parts of solvent ethyl acetate is added first in glue bucket；Then by 0.7 part of photocatalysis
Material nano TiO2It is added in the bucket for fill solvent and stirs 1.5h；Add 8 parts of acrylic resins, ultrasonic disperse 0.5h；So
0.08 part of adhesion promoter, 0.08 part of light stabilizer, 0.08 part of photoinitiator etc. are added afterwards and is sufficiently stirred 1.5h again, is divided
Dissipate uniform hardening bath coating.Wherein nano-TiO2It is anatase titanium dioxide TiO2And rutile TiO2According to mass ratio 4:6 ratio is mixed
What conjunction obtained.
(4) machine coating is carried out, previous step hard conating is coated in the other side of base material；Difference can be obtained according to technique
The degradation of formaldehyde film of thickness.
It is 1m by the surface area being prepared according to the method described above2, be dispersed with nano-TiO in hard conating2Hard coat layer thickness
For 5 μm of formaldehyde degradation by photocatalytic oxidation process film, the formaldehyde degradation by photocatalytic oxidation process film that the present embodiment method obtains can be produced with efficient degradation formaldehyde
Product transmitance reaches 90% or more, is placed in concentration of formaldehyde 2.12mg/m3Environment in handle for 24 hours, as a result show Degradation Formaldehyde rate
It is 73.6%.
Embodiment 4：The preparation of formaldehyde degradation by photocatalytic oxidation process film
Formaldehyde degradation by photocatalytic oxidation process film is prepared in accordance with the following methods：
(1) certain density installation glue is configured；
(2) installation glue is uniformly coated in one side surface of base material；It is 5 μm or so to install glue thickness；
(3) by a certain amount of catalysis material TiO2Dispersion liquid is added in basic hard conating component, specifically：
It counts in parts by weight, 17 parts of solvent ethyl acetate is added first in glue bucket；Then by 0.9 part of photocatalysis
Material nano TiO2It is added in the bucket for fill solvent and stirs 1.5h；Add 12 parts of acrylic resins, ultrasonic disperse 0.5h；So
0.12 part of adhesion promoter, 0.12 part of light stabilizer, 0.12 part of photoinitiator etc. are added afterwards and is sufficiently stirred 1.5h again, is divided
Dissipate uniform hardening bath coating.Wherein nano-TiO2It is anatase titanium dioxide TiO2And rutile TiO2According to mass ratio 4:6 ratio is mixed
What conjunction obtained.
(4) machine coating is carried out, previous step hard conating is coated in the other side of base material；Difference can be obtained according to technique
The degradation of formaldehyde film of thickness.
It is 1m by the surface area being prepared according to the method described above2, be dispersed with nano-TiO in hard conating2Hard coat layer thickness
For 5 μm of formaldehyde degradation by photocatalytic oxidation process film, product transmitance reaches 89%, is placed in concentration of formaldehyde 2.12mg/m3Environment in handle
For 24 hours, as a result show that Degradation Formaldehyde rate is 72.8%.
Embodiment 5：The preparation of formaldehyde degradation by photocatalytic oxidation process film
Formaldehyde degradation by photocatalytic oxidation process film is prepared in accordance with the following methods：
(1) certain density installation glue is configured；
(2) installation glue is uniformly coated in one side surface of base material；It is 10 μm or so to install glue thickness；
(3) by a certain amount of catalysis material TiO2It is added in basic hard conating component, specifically：
It counts in parts by weight, 15 parts of solvent ethyl acetate is added first in glue bucket；Then by 0.8 part of photocatalysis
Material nano TiO2It is added in the bucket for fill solvent and stirs 1.5h；Add 10 parts of acrylic resins, ultrasonic disperse 0.5h；So
0.1 part of adhesion promoter, 0.1 part of light stabilizer, 0.1 part of photoinitiator etc. are added afterwards and is sufficiently stirred 1.5h again, is disperseed
Uniform hardening bath coating.Wherein nano-TiO2It is anatase titanium dioxide TiO2And rutile TiO2According to mass ratio 5:5 ratio mixing
It obtains.
(4) machine coating is carried out, previous step hard conating is coated in the other side of base material；80 ° of oven temperature is controlled, illumination is strong
Spend 280mJ/cm2, linear velocity 30m/min can obtain different-thickness according to technique, for example, thickness be 1~5 μm degradation
Formaldehyde film.
It is 1m by the surface area being prepared according to the method described above2, be dispersed with nano-TiO in hard conating2Hard coat layer thickness
For 5 μm of formaldehyde degradation by photocatalytic oxidation process film, product transmitance reaches 89%, is placed in concentration of formaldehyde 2.12mg/m3Environment in handle
For 24 hours, as a result show that Degradation Formaldehyde rate is 62.1%.
Embodiment 6：The preparation of formaldehyde degradation by photocatalytic oxidation process film
Formaldehyde degradation by photocatalytic oxidation process film is prepared in accordance with the following methods：
(1) certain density installation glue is configured；
(2) installation glue is uniformly coated in one side surface of base material；It is 10 μm or so to install glue thickness；
(3) by a certain amount of catalysis material TiO2It is added in basic hard conating component, specifically：
It counts in parts by weight, 15 parts of solvent ethyl acetate is added first in glue bucket；Then by 0.8 part of photocatalysis
Material nano TiO2It is added in the bucket for fill solvent and stirs 1.5h；Add 10 parts of acrylic resins, ultrasonic disperse 0.5h；So
0.1 part of adhesion promoter, 0.1 part of light stabilizer, 0.1 part of photoinitiator etc. are added afterwards and is sufficiently stirred 1.5h again, is disperseed
Uniform hardening bath coating.Wherein nano-TiO2It is anatase titanium dioxide TiO2And rutile TiO2According to mass ratio 7:3 ratio mixing
It obtains.
(4) machine coating is carried out, previous step hard conating is coated in the other side of base material；80 ° of oven temperature is controlled, illumination is strong
Spend 280mJ/cm2, linear velocity 30m/min can obtain different-thickness according to technique, for example, thickness be 1~5 μm degradation
Formaldehyde film.
It is 1m by the surface area being prepared according to the method described above2, be dispersed with nano-TiO in hard conating2Hard coat layer thickness
For 5 μm of formaldehyde degradation by photocatalytic oxidation process film, product transmitance reaches 88%, is placed in concentration of formaldehyde 2.12mg/m3Environment in handle
For 24 hours, as a result show that Degradation Formaldehyde rate is 58.8%.Comparative example 1,5,6, inventor has found, in anatase titanium dioxide TiO2And golden red
Stone-type TiO2According to mass ratio 4:In the case of 6 mixing, the TiO of both configurations2It is fully cooperateed in the components system of hard conating
Effect, effectively increases light degradation effect of formaldehyde.
Embodiment 7：The preparation of formaldehyde degradation by photocatalytic oxidation process film
Formaldehyde degradation by photocatalytic oxidation process film is prepared in accordance with the following methods：
(1) certain density installation glue is configured；
(2) installation glue is uniformly coated in one side surface of base material；It is 10 μm or so to install glue thickness；
(3) by a certain amount of catalysis material TiO2It is added in basic hard conating component, specifically：
It counts in parts by weight, 15 parts of solvent ethyl acetate is added first in glue bucket；Then by 0.8 part of photocatalysis
Material nano TiO2It is added in the bucket for fill solvent and stirs 1.5h；10 parts of acrylic resins are added, 1.5h is stirred；Then plus
Enter 0.1 part of adhesion promoter, 0.1 part of light stabilizer, 0.1 part of photoinitiator etc. and be sufficiently stirred 1.5h again, is uniformly dispersed
Hardening bath coating.Wherein nano-TiO2It is anatase titanium dioxide TiO2And rutile TiO2According to mass ratio 4:6 ratio is mixed to get
's.
(4) machine coating is carried out, previous step hard conating is coated in the other side of base material；80 ° of oven temperature is controlled, illumination is strong
Spend 280mJ/cm2, linear velocity 30m/min can obtain different-thickness according to technique, for example, thickness be 1~5 μm degradation
Formaldehyde film.
It is 1m by the surface area being prepared according to the method described above2, be dispersed with nano-TiO in hard conating2Hard coat layer thickness
For 5 μm of formaldehyde degradation by photocatalytic oxidation process film, product transmitance reaches 82%, is placed in concentration of formaldehyde 2.12mg/m3Environment in handle
For 24 hours, as a result show that Degradation Formaldehyde rate is 62.9%.
Embodiment 8：The preparation of formaldehyde degradation by photocatalytic oxidation process film
Formaldehyde degradation by photocatalytic oxidation process film is prepared in accordance with the following methods：
(1) certain density installation glue is configured；
(2) installation glue is uniformly coated in one side surface of base material；It is 10 μm or so to install glue thickness；
(3) by a certain amount of catalysis material TiO2It is added in basic hard conating component, specifically：
It counts in parts by weight, 15 parts of solvent ethyl acetate is added first in glue bucket；Then by 0.8 part of photocatalysis
Material nano TiO2It is added to ultrasonic disperse 0.5h in the bucket for fill solvent；10 parts of acrylic resins are added, 1.5h is stirred；So
0.1 part of adhesion promoter, 0.1 part of light stabilizer, 0.1 part of photoinitiator etc. are added afterwards and is sufficiently stirred 1.5h again, is disperseed
Uniform hardening bath coating.Wherein nano-TiO2It is anatase titanium dioxide TiO2And rutile TiO2According to mass ratio 4:6 ratio mixing
It obtains.
(4) machine coating is carried out, previous step hard conating is coated in the other side of base material；80 ° of oven temperature is controlled, illumination is strong
Spend 280mJ/cm2, linear velocity 30m/min can obtain different-thickness according to technique, for example, thickness be 1~5 μm degradation
Formaldehyde film.
It is 1m by the surface area being prepared according to the method described above2, be dispersed with nano-TiO in hard conating2Hard coat layer thickness
For 5 μm of formaldehyde degradation by photocatalytic oxidation process film, product transmitance reaches 84%, is placed in concentration of formaldehyde 2.12mg/m3Environment in handle
For 24 hours, as a result show that Degradation Formaldehyde rate is 63.1%.
Although the present invention has been described by way of example and in terms of the preferred embodiments, it is not limited to the present invention, any to be familiar with this skill
The people of art can do various change and modification, therefore the protection model of the present invention without departing from the spirit and scope of the present invention
Enclosing be subject to what claims were defined.
Claims (6)
1. a kind of preparation method of formaldehyde degradation by photocatalytic oxidation process film, which is characterized in that the formaldehyde degradation by photocatalytic oxidation process film includes successively
It is dispersed with nano-TiO2Hard conating, substrate layer, installation glue-line, release film layer；The preparation method includes：(1) it prepares certain
The installation glue of concentration uniformly coats installation glue in one side surface of base material；(2) by a certain amount of catalysis material TiO2It is added to base
In plinth hard conating component, then coated in another side surface of base material；Specifically：Solvent acetic acid is added in glue container first
Ethyl ester；Then by catalysis material TiO2It is added to fill and matching in glue container for solvent is stirred 0.5~1.5h；Add third
Olefin(e) acid resin, 0.3~0.6h of ultrasonic disperse；Adhesion promoter is added, light stabilizer, photoinitiator be sufficiently stirred 0.5 again~
1.5h obtains finely dispersed hardening bath coating；Hardening bath coating further carries out machine coating, is coated in the side table of base material
Face；The catalysis material TiO2Addition quality be 7%~9% of acrylic resin quality in basic hard conating component；Its
In, the nano-TiO2It is anatase titanium dioxide TiO2And rutile TiO2According to mass ratio 4：6 mixing；It is described to be dispersed with nano-TiO2
Hard conating thickness be 1~5 μm.
2. according to the method described in claim 1, it is characterized in that, the catalysis material TiO2Quality be basic hard conating
The 8% of acrylic resin quality in component.
3. according to the method described in claim 1, it is characterized in that, in the basis hard conating component, according to the mass fraction, contain
There are 8~12 parts of acrylic resin, 12~18 parts of solvent ethyl acetate, 0.08~0.12 part of adhesion promoter, light stabilizer
0.08~0.12 part, 0.08~0.12 part of photoinitiator.
4. according to the method described in claim 1, it is characterized in that, in the basis hard conating component, according to the mass fraction, contain
There are 10 parts of acrylic resin, 15 parts of solvent ethyl acetate, 0.1 part of adhesion promoter, 0.1 part of light stabilizer, photoinitiator 0.1
Part.
5. the formaldehyde degradation by photocatalytic oxidation process film being prepared according to any the method for Claims 1 to 4.
6. application of the formaldehyde degradation by photocatalytic oxidation process film in terms of automobile, household, finishing described in claim 5.
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| CN107234842A (en) * | 2017-06-02 | 2017-10-10 | 东莞市纳利光学材料有限公司 | One kind is except formaldehyde pad pasting and preparation method thereof |
| CN113318556B (en) * | 2021-04-29 | 2023-03-10 | 江苏开放大学（江苏城市职业学院） | High-ductility flowable formaldehyde scavenger and preparation process thereof |
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Denomination of invention: A photocatalytic degradation of formaldehyde film Effective date of registration: 20231012 Granted publication date: 20180821 Pledgee: Yunongshang Financial Leasing Co.,Ltd. Pledgor: JIANGYIN TONGLI OPTOELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: Y2023980060795 |