CN109647384A - Graphene-supported nano-TiO2The preparation method of/Ag optic catalytic composite material - Google Patents
Graphene-supported nano-TiO2The preparation method of/Ag optic catalytic composite material Download PDFInfo
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- CN109647384A CN109647384A CN201910095550.9A CN201910095550A CN109647384A CN 109647384 A CN109647384 A CN 109647384A CN 201910095550 A CN201910095550 A CN 201910095550A CN 109647384 A CN109647384 A CN 109647384A
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- 239000002131 composite material Substances 0.000 title claims abstract description 39
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 230000003197 catalytic effect Effects 0.000 title claims abstract description 14
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 30
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 17
- 238000003756 stirring Methods 0.000 claims abstract description 15
- 238000000926 separation method Methods 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims abstract description 13
- 239000007787 solid Substances 0.000 claims abstract description 13
- 238000002156 mixing Methods 0.000 claims abstract description 12
- 230000008569 process Effects 0.000 claims abstract description 11
- 239000000243 solution Substances 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000012545 processing Methods 0.000 claims abstract description 10
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(I) nitrate Inorganic materials [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000007864 aqueous solution Substances 0.000 claims abstract description 9
- 238000001354 calcination Methods 0.000 claims abstract description 9
- 239000000843 powder Substances 0.000 claims abstract description 9
- 238000009777 vacuum freeze-drying Methods 0.000 claims abstract description 9
- 238000001027 hydrothermal synthesis Methods 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims abstract description 7
- 238000001914 filtration Methods 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 239000011259 mixed solution Substances 0.000 claims abstract description 7
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 13
- 238000001035 drying Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 4
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 abstract description 3
- 238000002604 ultrasonography Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 9
- 101710134784 Agnoprotein Proteins 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000001699 photocatalysis Effects 0.000 description 4
- 238000007146 photocatalysis Methods 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 230000000845 anti-microbial effect Effects 0.000 description 2
- 230000003115 biocidal effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 229940088710 antibiotic agent Drugs 0.000 description 1
- 230000003385 bacteriostatic effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 description 1
- 230000006652 catabolic pathway Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000005216 hydrothermal crystallization Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002114 nanocomposite Substances 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000011941 photocatalyst Substances 0.000 description 1
- 238000012913 prioritisation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- FJOLTQXXWSRAIX-UHFFFAOYSA-K silver phosphate Chemical compound [Ag+].[Ag+].[Ag+].[O-]P([O-])([O-])=O FJOLTQXXWSRAIX-UHFFFAOYSA-K 0.000 description 1
- 229910021649 silver-doped titanium dioxide Inorganic materials 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/48—Silver or gold
- B01J23/50—Silver
-
- B01J35/39—
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
- B01J37/082—Decomposition and pyrolysis
Abstract
The present invention relates to a kind of graphene-supported nano-TiOs2The preparation method of/Ag optic catalytic composite material, step is: by high-purity Ti powder, AgNO3It is the mixing of 0.8 ~ 8:0.05 ~ 2:1 mass ratio that aqueous solution and graphene oxide water solution, which press solid content, stirs, ultrasound, is stirred at room temperature, until it is uniformly mixed；Mixed solution is placed in reaction kettle, 110 ~ 200 DEG C of hydro-thermal reaction 1-8 h；Mixed liquor and cooling are taken out, is separated by solid-liquid separation through filtering, centrifuging process, vacuum freeze drying processing obtains graphene-supported nano-TiO2The predecessor of/Ag composite material；The predecessor calcination processing that will be obtained, is finally made graphene-supported nano-TiO2/ Ag composite material.Operation of the present invention is simple, and process is easy to control, and the composite structure of preparation is stablized, and epigranular, antibacterial activity is good, remove indoor formaldehyde, anti-mildew, in terms of have broad application prospects.
Description
Technical field
The present invention relates to a kind of graphene-supported nano-TiOs2The preparation method of/Ag optic catalytic composite material, belongs to light and urges
Change field of composite material preparation.
Background technique
In recent years, with the improvement of living standards, the fast development of industry, gas toxic, harmful, difficult to degrade and organic
Waste water etc. is increasing, seek it is a kind of efficiently, low energy consumption, free of contamination degradation pathway it is very urgent.1972,
Fujishima and Honda first discovery TiO2Electrode energy photocatalytic water generates H2, since then, TiO2As a kind of nontoxic, high-ratio surface,
The n-type semiconductor that oxidability is strong, stability is good, anti-microbial property is lasting, cheap is widely studied.In certain energy
Under illumination, TiO2Harmful substance in environment can be degraded to CO2And H2The innocuous substances such as O.TiO2Also have antibacterial and sterilization double
Weight effect, but conventional nano-TiO2Material adsorption capacity is poor, can there is easy to reunite, difficult separation and recovery, stream in practical applications
The problems such as losing waste.Graphene is a kind of crystalline material of plane, has the periodic structure of similar honeycomb coaly.Study table
Bright, graphene has good electric property and excellent mechanical strength and stability, these characteristics enable graphene conduct
The new material of transmission electrons and holes more better than other materials.In addition, quality, biggish specific surface area etc. that graphene is lighter
Characteristic can carry out some materials composite modified.
Prepare TiO2The method of base optic catalytic composite material has many articles and patent document is related to, and Wang Zhao etc. is to aoxidize
Graphene and butyl titanate are raw material, are prepared for TiO using one step of hydro-thermal method2/ graphene composite photocatalyst material, it is prepared
TiO2For anatase crystal, photocatalytic activity is apparently higher than the TiO prepared under the same terms2.Xu Hui etc. uses hydrothermal crystallization method
Prepare the different Ag/TiO of Ag doping2Nano composite antibiotic material, the TiO in composite material2All exist with anatase crystal,
And under non-illuminated conditions, nanometer Ag/TiO2Composite material has stronger anti-microbial property.CN102219179A discloses one kind
Titania-doped film of Ag and preparation method thereof, anti-biotic material, photocatalysis, in terms of play an important role.
At present about graphene-supported nano-TiO2The research work of/Ag composite material is also rarely found, CN102872889A
Disclose a kind of graphene/silver orthophosphate/titanium dioxide double function composite material and preparation method, prepared composite material
Can the certain density organic pollutant of fast degradation under visible light illumination, and there is efficient sterilizing bacteriostatic activity, but do not exist
TiO2Photocatalysis performance on have new breakthrough and raising.
Summary of the invention
In order to overcome the shortcomings in the prior art, the present invention provides a kind of graphene-supported nano-TiO2/ Ag photocatalysis is compound
Material and preparation method thereof is stablized according to the composite structure of the method for the present invention preparation, and epigranular, antibacterial activity is more preferable,
Remove indoor formaldehyde, anti-mildew, in terms of have a extensive future.
To achieve the goals above, the invention is realized by the following technical scheme:
A kind of graphene-supported nano-TiO2/ Ag optic catalytic composite material and preparation method thereof carries out as follows:
(1) by high-purity Ti powder, AgNO3It is 0.8 ~ 8:0.05 ~ 2:1 quality that aqueous solution and graphene oxide water solution, which press solid content,
It than mixing, stirs at room temperature, stirring duration is greater than 30 minutes, and mixing speed is greater than 100 rpms, is then ultrasonically treated 30 points
More than clock, finally continue stirring 30 minutes to be uniformly mixed up to it；
(2) mixed solution that step (1) obtains is placed in reaction kettle, in 110 ~ 200 DEG C of at a temperature of hydro-thermal reaction 1-8 h；
(3) step (2) reaction completion and mixed liquor after cooling are taken out, is separated by solid-liquid separation through filtering, centrifuging process, after separation
Solid after vacuum freeze drying, obtain graphene-supported nano-TiO2The predecessor of/Ag composite material；
(4) graphene-supported nano-TiO is finally made through calcination processing in the predecessor for obtaining step (3)2/ Ag composite material.
The present invention by adopting the above technical scheme has the advantage that compared with prior art
The present invention is using the graphene of unique nanostructure as carrier, due to the introducing of graphene and Ag, so that catalysis material
TiO2Performance enhancement, prepared composite material not only expands TiO2Optical response range, also can inhibit light induced electron and hole
It is compound, reach synergetic antibacterial effect, especially removal indoor formaldehyde, anti-mildew, degradable organic pollutant etc. effect are more preferable；This
Invention preparation method is easy to operate, and process is easy to control, economic and environment-friendly.
Further, prioritization scheme of the invention are as follows:
High-purity Ti powder in the step (1) is graininess, and mesh number is greater than 200 mesh, and Ti content is greater than 99%；AgNO3Aqueous solution is dense
Degree is 0.01 ~ 1mol/L；Graphene oxide water solution mass concentration is 0.05% ~ 5%.
Vacuum freeze-drying technique condition is in the step (3): temperature is -50 DEG C ~ 30 DEG C, and drying time is 10 ~ 60
H, vacuum degree 1Pa ~ 300Pa.
Calcination processing process conditions are in the step (4): under the conditions of nitrogen protection, temperature is 300 DEG C ~ 800 DEG C, permanent
The warm time is 0.5-6 h, and heating rate is 0.2-5 DEG C/min.
Specific embodiment
The present invention is described in detail with reference to embodiments, but embodiment does not do any type of limit to the present invention
It is fixed.
Embodiment 1:
A kind of graphene-supported nano-TiO2The preparation method of/Ag optic catalytic composite material carries out as follows:
(1) AgNO of Zn powder, 0.05mol/L are taken3Aqueous solution and 0.5% graphene oxide water solution, by solid content be 0.8:
The mass ratio of 0.05:1 mixes, and stirs 35min, mixing speed 150r/min at room temperature, is ultrasonically treated 40min, finally continues to stir
30 minutes are mixed to be uniformly mixed up to it；
(2) obtained mixed solution is placed in reaction kettle, in 130 DEG C of at a temperature of hydro-thermal reaction 4 h；
(3) step (2) reaction completion and mixed liquor after cooling are taken out, is separated by solid-liquid separation through filtering, centrifuging process, after separation
Solid after vacuum freeze drying (temperature be -50 DEG C ~ 30 DEG C, drying time 10-60h, vacuum degree 1Pa ~ 300Pa), obtain
To graphene-supported nano-TiO2The predecessor of/Ag composite material；
(4) by obtained predecessor through calcination processing, for the control of calcine technology temperature at 300 DEG C, constant temperature time is 3 h, heating speed
Rate is 2 DEG C/min, and graphene-supported nano-TiO is finally made2/ Ag composite material.
Embodiment 2:
A kind of graphene-supported nano-TiO2The preparation method of/Ag optic catalytic composite material carries out as follows:
(1) AgNO of Zn powder, 0.1mol/L are taken3Aqueous solution and 1% graphene oxide water solution, be 2:0.5:1 by solid content
Mass ratio mixing, stirs 40min, mixing speed 200r/min at room temperature, is ultrasonically treated 40min, finally continues stirring 30 minutes
To be uniformly mixed up to it；
(2) obtained mixed solution is placed in reaction kettle, in 150 DEG C of at a temperature of hydro-thermal reaction 6 h；
(3) step (2) reaction completion and mixed liquor after cooling are taken out, is separated by solid-liquid separation through filtering, centrifuging process, after separation
Solid after vacuum freeze drying (temperature be -50 DEG C ~ 30 DEG C, drying time 10-60h, vacuum degree 1Pa ~ 300Pa), obtain
To graphene-supported nano-TiO2The predecessor of/Ag composite material；
(4) by obtained predecessor through calcination processing, for the control of calcine technology temperature at 600 DEG C, constant temperature time is 2 h, heating speed
Rate is that graphene-supported nano-TiO is finally made in 1 DEG C/min2/ Ag composite material.
Embodiment 3:
A kind of graphene-supported nano-TiO2The preparation method of/Ag optic catalytic composite material carries out as follows:
(1) AgNO of Zn powder, 0.5mol/L are taken3Aqueous solution and 1% graphene oxide water solution, be 4:0.8:1 by solid content
Mass ratio mixing, stirs 50min, mixing speed 200r/min at room temperature, is ultrasonically treated 50min, finally continues stirring 30 minutes
To be uniformly mixed up to it；
(2) obtained mixed solution is placed in reaction kettle, in 180 DEG C of at a temperature of hydro-thermal reaction 4 h；
(3) step (2) reaction completion and mixed liquor after cooling are taken out, is separated by solid-liquid separation through filtering, centrifuging process, after separation
Solid after vacuum freeze drying (temperature be -50 DEG C ~ 30 DEG C, drying time 10-60h, vacuum degree 1Pa ~ 300Pa), obtain
To graphene-supported nano-TiO2The predecessor of/Ag composite material；
(4) by obtained predecessor through calcination processing, for the control of calcine technology temperature at 500 DEG C, constant temperature time is 3 h, heating speed
Rate is 0.2 DEG C/min, and graphene-supported nano-TiO is finally made2/ Ag composite material.
Embodiment 4:
A kind of graphene-supported nano-TiO2The preparation method of/Ag optic catalytic composite material carries out as follows:
(1) AgNO of Zn powder, 0.1mol/L are taken3Aqueous solution and 3% graphene oxide water solution, by solid content be 5:1:1 matter
Amount stirs 45min, mixing speed 200r/min than mixing at room temperature, is ultrasonically treated 40min, finally continue stirring 30 minutes with
It is uniformly mixed up to it；
(2) obtained mixed solution is placed in reaction kettle, in 150 DEG C of at a temperature of hydro-thermal reaction 3 h；
(3) step (2) reaction completion and mixed liquor after cooling are taken out, is separated by solid-liquid separation through filtering, centrifuging process, after separation
Solid after vacuum freeze drying (temperature be -50 DEG C ~ 30 DEG C, drying time 10-60h, vacuum degree 1Pa ~ 300Pa), obtain
To graphene-supported nano-TiO2The predecessor of/Ag composite material；
(4) by obtained predecessor through calcination processing, for the control of calcine technology temperature at 800 DEG C, constant temperature time is 1.5 h, heating
Rate is 5 DEG C/min, and graphene-supported nano-TiO is finally made2/ Ag composite material.
The above is only the preferred embodiment of the present invention, it is noted that although making referring to preferred embodiment to the present invention
It is described in detail, for those of ordinary skill in the art, several improvement and profit can be carried out to technical solution of the present invention
Decorations, but the spirit and scope of technical solution of the present invention is not departed from, these modifications and embellishments are also considered to be within the scope of the present invention.
Claims (4)
1. a kind of graphene-supported nano-TiO2The preparation method of/Ag optic catalytic composite material, which is characterized in that as follows
It carries out:
(1) by high-purity Ti powder, AgNO3It is 0.8 ~ 8:0.05 ~ 2:1 quality that aqueous solution and graphene oxide water solution, which press solid content,
It than mixing, stirs at room temperature, stirring duration is greater than 30 minutes, and mixing speed is greater than 100 rpms, is then ultrasonically treated 30 points
More than clock, finally continue stirring 30 minutes to be uniformly mixed up to it；
(2) mixed solution that step (1) obtains is placed in reaction kettle, in 110 ~ 200 DEG C of at a temperature of hydro-thermal reaction 1-8 h；
(3) step (2) reaction completion and mixed liquor after cooling are taken out, is separated by solid-liquid separation through filtering, centrifuging process, after separation
Solid after vacuum freeze drying, obtain graphene-supported nano-TiO2The predecessor of/Ag composite material；
(4) graphene-supported nano-TiO is finally made through calcination processing in the predecessor for obtaining step (3)2/ Ag composite material.
2. graphene-supported nano-TiO as described in claim 12The preparation method of/Ag optic catalytic composite material, feature exist
In the high-purity Ti powder in the step (1) is graininess, and mesh number is greater than 200 mesh, and Ti content is greater than 99%；AgNO3Aqueous solution is dense
Degree is 0.01 ~ 1mol/L；Graphene oxide water solution mass concentration is 0.05% ~ 5%.
3. graphene-supported nano-TiO as described in claim 12The preparation method of/Ag optic catalytic composite material, feature exist
In vacuum freeze-drying technique condition is in the step (3): temperature is -50 DEG C ~ 30 DEG C, and drying time is 10 ~ 60 h, very
Reciprocal of duty cycle 1Pa ~ 300Pa.
4. graphene-supported nano-TiO as described in claim 12The preparation method of/Ag optic catalytic composite material, feature exist
In calcination processing process conditions are in the step (4): under the conditions of nitrogen protection, temperature is 300 DEG C ~ 800 DEG C, when constant temperature
Between be 0.5-6 h, heating rate be 0.2-5 DEG C/min.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110523409A (en) * | 2019-09-18 | 2019-12-03 | 福建工程学院 | A kind of graphene doping Ag/TiO2Photocatalysis coating and preparation method thereof |
| CN111183979A (en) * | 2020-01-31 | 2020-05-22 | 合肥学院 | High-efficiency composite inorganic antibacterial agent and preparation method thereof |
| CN111592803A (en) * | 2020-06-08 | 2020-08-28 | 亚士漆(上海)有限公司 | Bio-based water-based paint and preparation method and application thereof |
| CN111888901A (en) * | 2020-08-14 | 2020-11-06 | 北京创新环科环保科技有限公司 | Doped composite TiO2The VOC removing material and the preparation method thereof |
| CN112156805A (en) * | 2020-10-19 | 2021-01-01 | 西安工程大学 | Preparation of silver-doped soft carbon-carbon nitride-TiO by using waste cotton2Method for compounding materials |
| CN114130188A (en) * | 2021-10-26 | 2022-03-04 | 甘肃旭康材料科技有限公司 | Preparation method of air purification composite material and air purification composite material |
| CN114702902A (en) * | 2022-03-28 | 2022-07-05 | 深圳爱比釉新材料有限公司 | Inorganic building coating with formaldehyde removing function and preparation method thereof |
| CN116656165A (en) * | 2023-07-05 | 2023-08-29 | 李晶 | Preparation method of water-based antibacterial paint filler |
| CN116656186A (en) * | 2023-07-05 | 2023-08-29 | 李晶 | Preparation method of graphene antibacterial water-based paint |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110523409B (en) * | 2019-09-18 | 2022-07-19 | 福建工程学院 | Ag/TiO doped graphene2Photocatalytic coating and preparation method thereof |
| CN110523409A (en) * | 2019-09-18 | 2019-12-03 | 福建工程学院 | A kind of graphene doping Ag/TiO2Photocatalysis coating and preparation method thereof |
| CN111183979A (en) * | 2020-01-31 | 2020-05-22 | 合肥学院 | High-efficiency composite inorganic antibacterial agent and preparation method thereof |
| CN111592803A (en) * | 2020-06-08 | 2020-08-28 | 亚士漆(上海)有限公司 | Bio-based water-based paint and preparation method and application thereof |
| CN111592803B (en) * | 2020-06-08 | 2021-12-14 | 亚士漆(上海)有限公司 | Bio-based water-based paint and preparation method and application thereof |
| CN111888901A (en) * | 2020-08-14 | 2020-11-06 | 北京创新环科环保科技有限公司 | Doped composite TiO2The VOC removing material and the preparation method thereof |
| CN112156805B (en) * | 2020-10-19 | 2022-12-09 | 西安工程大学 | Preparation of silver-doped soft carbon-carbon nitride-TiO by using waste cotton 2 Method for compounding materials |
| CN112156805A (en) * | 2020-10-19 | 2021-01-01 | 西安工程大学 | Preparation of silver-doped soft carbon-carbon nitride-TiO by using waste cotton2Method for compounding materials |
| CN114130188A (en) * | 2021-10-26 | 2022-03-04 | 甘肃旭康材料科技有限公司 | Preparation method of air purification composite material and air purification composite material |
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| CN114702902A (en) * | 2022-03-28 | 2022-07-05 | 深圳爱比釉新材料有限公司 | Inorganic building coating with formaldehyde removing function and preparation method thereof |
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