CN109453799A - The nanometer titanic oxide material of nitrogen-doped carbon material cladding and its application - Google Patents
The nanometer titanic oxide material of nitrogen-doped carbon material cladding and its application Download PDFInfo
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- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 239000003575 carbonaceous material Substances 0.000 title claims abstract description 41
- 239000000463 material Substances 0.000 title claims abstract description 26
- 238000005253 cladding Methods 0.000 title claims abstract description 24
- 239000004753 textile Substances 0.000 claims abstract description 39
- 238000004140 cleaning Methods 0.000 claims abstract description 28
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 230000001699 photocatalysis Effects 0.000 claims abstract description 9
- 238000007146 photocatalysis Methods 0.000 claims abstract description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000001301 oxygen Substances 0.000 claims abstract description 7
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 7
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000000126 substance Substances 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 24
- 239000006185 dispersion Substances 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 10
- 239000002270 dispersing agent Substances 0.000 claims description 9
- 150000002894 organic compounds Chemical class 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 5
- 239000008367 deionised water Substances 0.000 claims description 5
- 229910021641 deionized water Inorganic materials 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 239000000243 solution Substances 0.000 claims description 4
- 229920001661 Chitosan Polymers 0.000 claims description 3
- 108010010803 Gelatin Proteins 0.000 claims description 3
- USDJGQLNFPZEON-UHFFFAOYSA-N [[4,6-bis(hydroxymethylamino)-1,3,5-triazin-2-yl]amino]methanol Chemical compound OCNC1=NC(NCO)=NC(NCO)=N1 USDJGQLNFPZEON-UHFFFAOYSA-N 0.000 claims description 3
- 229920000159 gelatin Polymers 0.000 claims description 3
- 239000008273 gelatin Substances 0.000 claims description 3
- 235000019322 gelatine Nutrition 0.000 claims description 3
- 235000011852 gelatine desserts Nutrition 0.000 claims description 3
- -1 phenolic aldehyde amine Chemical class 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- HFUCTUICUORVIW-UHFFFAOYSA-N 3-aminobutane-1,1,1-triol Chemical compound CC(N)CC(O)(O)O HFUCTUICUORVIW-UHFFFAOYSA-N 0.000 claims description 2
- 240000007594 Oryza sativa Species 0.000 claims 1
- 235000007164 Oryza sativa Nutrition 0.000 claims 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 1
- 235000013339 cereals Nutrition 0.000 claims 1
- 235000009566 rice Nutrition 0.000 claims 1
- 239000000377 silicon dioxide Substances 0.000 claims 1
- 229910052719 titanium Inorganic materials 0.000 claims 1
- 239000010936 titanium Substances 0.000 claims 1
- 230000003197 catalytic effect Effects 0.000 abstract description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 4
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 abstract description 4
- GCNLQHANGFOQKY-UHFFFAOYSA-N [C+4].[O-2].[O-2].[Ti+4] Chemical compound [C+4].[O-2].[O-2].[Ti+4] GCNLQHANGFOQKY-UHFFFAOYSA-N 0.000 abstract description 4
- 239000011248 coating agent Substances 0.000 abstract description 4
- 238000000576 coating method Methods 0.000 abstract description 4
- 229910003481 amorphous carbon Inorganic materials 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 abstract description 2
- 229910052799 carbon Inorganic materials 0.000 abstract description 2
- 229910002804 graphite Inorganic materials 0.000 abstract description 2
- 239000010439 graphite Substances 0.000 abstract description 2
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 abstract description 2
- 150000003233 pyrroles Chemical class 0.000 abstract 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 30
- 238000006731 degradation reaction Methods 0.000 description 9
- 230000015556 catabolic process Effects 0.000 description 8
- 239000004744 fabric Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 239000010453 quartz Substances 0.000 description 5
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 description 2
- 238000002835 absorbance Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000000505 pernicious effect Effects 0.000 description 2
- 206010011224 Cough Diseases 0.000 description 1
- 229930040373 Paraformaldehyde Natural products 0.000 description 1
- HGWOWDFNMKCVLG-UHFFFAOYSA-N [O--].[O--].[Ti+4].[Ti+4] Chemical compound [O--].[O--].[Ti+4].[Ti+4] HGWOWDFNMKCVLG-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000622 irritating effect Effects 0.000 description 1
- 229920002866 paraformaldehyde Polymers 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- WGYKZJWCGVVSQN-UHFFFAOYSA-N propylamine Chemical compound CCCN WGYKZJWCGVVSQN-UHFFFAOYSA-N 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000012855 volatile organic compound 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
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/24—Nitrogen compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- 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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/46—Oxides or hydroxides of elements of Groups 4 or 14 of the Periodic Table; Titanates; Zirconates; Stannates; Plumbates
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/73—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof
- D06M11/74—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbon or graphite; with carbides; with graphitic acids or their salts
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Textile Engineering (AREA)
- Biomedical Technology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Catalysts (AREA)
Abstract
The present invention relates to a kind of nanometer titanic oxide material of nitrogen-doped carbon material cladding and its applications.The nanometer titanic oxide material is: being coated with nitrogen-doped carbon material, the mass ratio of the nanometer titanium dioxide carbon and nitrogen-doped carbon material are as follows: 1:1~1:3 in nanometer titanium dioxide carbon surface；The partial size of the nano-titanium dioxide is 20~80nm, and the nitrogen-doped carbon material is: being made of chemical structures such as pyrroles, pyridine, graphite, amorphous carbon.Nitrogen-doped carbon material of the invention itself oxygen reduction catalytic activity with higher, by nitrogen-doped carbon material to nano-TiO2It is modified to carry out in-stiu coating, nano-TiO can not only be improved2Dispersibility and photocatalysis stability, and its adsorptivity is improved, to improve its catalytic performance and efficiency.On this basis, by the carbon-coated nano-TiO of N doping2It is dispersed in water, textile is impregnated, obtain air automatically cleaning textile, there is technical advantage and novelty.
Description
Technical field
The present invention relates to a kind of nanometer titanic oxide material of nitrogen-doped carbon material cladding and its applications.
Background technique
Pollutant in air is mainly volatile organic compounds, including vehicle exhaust, industrial discharge pernicious gas,
The irritative gas etc. generated when aldehydes pernicious gas that indoor furniture releases, smoking.By nano-TiO2Arrange indoor spinning
On fabric, such as carpet, curtain and cushion, or arrange onto automobile interior trim material, using photocatalysis characteristic degradation room
Harmful substance in interior air environment, for the environment of living of improvement people, improving people's health level has ten for this
Divide important meaning.Therefore, the research of air cleaning textile and application have significant economic value and social value.
Nano-TiO2With excellent photocatalysis characteristic, but nano-TiO2There is bad dispersibility in application process in powder
And catalytic performance the problem of declining, nano-TiO at present2Method of modifying have its dispersion improved by method chemically or physically
Property, and and Nano-meter SiO_22The methods of doping vario-property, for nano-TiO2Dispersibility and application performance be significantly improved, but work
Skill is complicated, and practical application difficulty is larger.
Summary of the invention
One of the objects of the present invention is to provide a kind of nanometer titanic oxide materials of nitrogen-doped carbon material cladding.
The second object of the present invention is to provide the preparation method of the nanometer titanic oxide material of nitrogen-doped carbon material cladding.
The third object of the present invention is that the nanometer titanic oxide material for providing nitrogen-doped carbon material cladding is urged as light
Application of the agent in degradation organic compound.
In order to achieve the above objectives, the present invention adopts the following technical scheme:
A kind of nanometer titanic oxide material of nitrogen-doped carbon material cladding, it is characterised in that the nanometer titanic oxide material
It is: is coated with nitrogen-doped carbon material, the matter of the nanometer titanium dioxide carbon and nitrogen-doped carbon material in nanometer titanium dioxide carbon surface
Measure ratio are as follows: 1:1~1:3；The partial size of the nano-titanium dioxide is 20~80nm, and the nitrogen-doped carbon material is: by pyrrole
It coughs up, the chemical structures composition such as pyridine, graphite, amorphous carbon.
A method of preparing the nanometer titanic oxide material of above-mentioned nitrogen-doped carbon material cladding, it is characterised in that the party
The specific steps of method are as follows:
A. the organic compound simultaneously containing nitrogen and oxygen element is dissolved in deionized water or the HCL solution of 1mol/L
In, form the aqueous solution of 3~10wt%；Then in aqueous solution according to nano-TiO2With simultaneously containing nitrogen and oxygen element
Nano-TiO is added in the ratio of organic compound mass ratio 1:1~1:32, stir and be allowed to uniformly mixed；Then by gained mixture
Dry 8~10h in 120~150 DEG C of baking oven, by moisture removal；
B. it is small to be heat-treated 8~12 under an inert atmosphere under the conditions of 700~1000 DEG C for mixture step a obtained
When, obtain black powder, i.e. the modified Nano TiO of nitrogen-doped carbon material cladding2。
Contain the organic compound of nitrogen and oxygen element while above-mentioned are as follows: chitosan, gelatin, phenolic aldehyde amine, three hydroxyl first
Base aminopropane or trimethylol melamine.
A kind of nanometer titanic oxide material of above-mentioned nitrogen-doped carbon material cladding is as light-catalysed application.
A kind of nanometer titanic oxide material of above-mentioned nitrogen-doped carbon material cladding is as photocatalysis in organic compound of degrading
The application of object.
A kind of air automatically cleaning textile, the nanometer titanic oxide material conduct coated using above-mentioned nitrogen-doped carbon material
Photocatalysis, it is characterised in that the air automatically cleaning textile is the nanometer titanium dioxide titanium for coating the nitrogen-doped carbon material
Material is dispersed in water, and is impregnated to textile surface, and air automatically cleaning textile is obtained.
The specific steps of the preparation method of above-mentioned air automatically cleaning textile are as follows: the N doping carbon materials for obtaining step b
The nanometer titanic oxide material of material cladding is fully ground partial size < 1 μm, is dispersed in containing the water-soluble of the aqueous hyper-dispersant of 2wt%
In liquid, the aqueous hyper-dispersant is according to patent " aqueous hyper-dispersant of nonionic polyurethane class and preparation method thereof
(201510979174.1) " method preparation, obtains modified Nano TiO2Content is the dispersion liquid of 10wt%；Textile is impregnated
5~10min in the dispersion liquid, it is dry under room temperature, obtain air automatically cleaning textile.
The present invention is by nitrogen-doped carbon material to nano-TiO2The method of in-stiu coating realizes nano-TiO2Stable dispersion
With the raising of catalytic performance.Nitrogen-doped carbon material oxygen reduction catalytic activity with higher itself, passes through nitrogen-doped carbon material pair
Nano-TiO2It is modified to carry out in-stiu coating, nano-TiO can not only be improved2Dispersibility and photocatalysis stability, and improve it
Adsorptivity, to improve its catalytic performance and efficiency.On this basis, by the carbon-coated nano-TiO of N doping2It is dispersed in water
In, textile is impregnated, air automatically cleaning textile is obtained, there is technical advantage and novelty.
Specific embodiment
The contents of the present invention are exemplified below, but not limited to the examples range.
Embodiment one: air automatically cleaning textile 1#Preparation
(a) trihydroxy methyl aminopropane 30g is weighed, is dissolved in 330mL deionized water, stirring and dissolving.Then nanometer is added
TiO210g is dispersed with stirring uniformly.Then the dispersion liquid is transferred in baking oven, dry 10h, removes water under the conditions of 120 DEG C
Point.
(b) mixture for eliminating moisture for obtaining step a is put into quartz boat, is placed in tube furnace, in N2Under protection,
It is heat-treated 12h under the conditions of 700 DEG C, obtains the modified Nano TiO of nitrogen-doped carbon material cladding2。
(c) the modified Nano TiO for obtaining step b2On the basis of being fully ground, it is dispersed in and makes water by oneself containing 2wt%
In the water of property hyper-dispersant, modified Nano TiO is obtained2Content is the dispersion liquid of 10wt%.By this modified Nano TiO2Dispersion liquid
It is impregnated into the surface of textile, drying under room temperature obtains air automatically cleaning textile 1#。
Embodiment two: air automatically cleaning textile 2#Preparation
(a) trimethylol melamine 20g is weighed, is dissolved in 330mL deionized water, stirring and dissolving.Then nanometer is added
TiO210g is dispersed with stirring uniformly.Then the dispersion liquid is transferred in baking oven, dry 10h, removes water under the conditions of 130 DEG C
Point.
(b) mixture for eliminating moisture for obtaining step a is put into quartz boat, is placed in tube furnace, in N2Under protection,
It is heat-treated 11h under the conditions of 800 DEG C, obtains the modified Nano TiO of nitrogen-doped carbon material cladding2。
(c) the modified Nano TiO for obtaining step b2On the basis of being fully ground, it is dispersed in and makes water by oneself containing 2wt%
In the water of property hyper-dispersant, modified Nano TiO is obtained2Content is the dispersion liquid of 10wt%.By this modified Nano TiO2Dispersion liquid
It is impregnated into the surface of textile, drying under room temperature obtains air automatically cleaning textile 2#。
Embodiment three: air automatically cleaning textile 3#Preparation
(a) chitosan 10g is weighed, is dissolved in the HCL solution of 330mL 1mol/L, stirring and dissolving.Then nanometer is added
TiO210g is dispersed with stirring uniformly.Then the dispersion liquid is transferred in baking oven, dry 10h, removes water under the conditions of 140 DEG C
Point.
(b) mixture for eliminating moisture for obtaining step a is put into quartz boat, is placed in tube furnace, in N2Under protection,
It is heat-treated 10h under the conditions of 900 DEG C, obtains the modified Nano TiO of nitrogen-doped carbon material cladding2。
(c) the modified Nano TiO for obtaining step b2On the basis of being fully ground, it is dispersed in and makes water by oneself containing 2wt%
In the water of property hyper-dispersant, modified Nano TiO is obtained2Content is the dispersion liquid of 10wt%.By this modified Nano TiO2Dispersion liquid
It is impregnated into the surface of textile, drying under room temperature obtains air automatically cleaning textile 3#。
Example IV: air automatically cleaning textile 4#Preparation
(a) phenolic aldehyde amine 10g is weighed, is dissolved in the HCL solution of 330mL 1mol/L, stirring and dissolving.Then nanometer is added
TiO210g is dispersed with stirring uniformly.Then the dispersion liquid is transferred in baking oven, dry 10h, removes water under the conditions of 150 DEG C
Point.
(b) mixture for eliminating moisture for obtaining step a is put into quartz boat, is placed in tube furnace, in N2Under protection,
It is heat-treated 8h under the conditions of 1000 DEG C, obtains the modified Nano TiO of nitrogen-doped carbon material cladding2。
(c) the modified Nano TiO for obtaining step b2On the basis of being fully ground, it is dispersed in and makes water by oneself containing 2wt%
In the water of property hyper-dispersant, modified Nano TiO is obtained2Content is the dispersion liquid of 10wt%.By this modified Nano TiO2Dispersion liquid
It is impregnated into the surface of textile, drying under room temperature obtains air automatically cleaning textile 4#。
Embodiment five: air automatically cleaning textile 5#Preparation
(a) gelatin 10g is weighed, is dissolved in 330mL deionized water, stirring and dissolving.Then nano-TiO is added210g, stirring
It is uniformly dispersed.Then the dispersion liquid is transferred in baking oven, dry 10h, removes moisture under the conditions of 150 DEG C.
(b) mixture for eliminating moisture for obtaining step a is put into quartz boat, is placed in tube furnace, in N2Under protection,
It is heat-treated 9h under the conditions of 800 DEG C, obtains the modified Nano TiO of nitrogen-doped carbon material cladding2。
(c) the modified Nano TiO for obtaining step b2On the basis of being fully ground, it is dispersed in and makes water by oneself containing 2wt%
In the water of property hyper-dispersant, modified Nano TiO is obtained2Content is the dispersion liquid of 10wt%.By this modified Nano TiO2Dispersion liquid
It is impregnated into the surface of textile, drying under room temperature obtains air automatically cleaning textile 5#。
Embodiment six: the detection of air automatically cleaning properties of textile
Air automatically cleaning textile in above-described embodiment is taken to be tested for the property, test result is shown in Table 1.
Test method is as follows: selecting the identical organic glass drier of two specifications as reaction unit, organic glass is not
It can be reacted with formaldehyde gas, and translucency is good.Compound concentration is the formalin 100mL of 10ppm, is placed in surface plate, is placed
In drier bottom, for simulating formaldehyde environment, ceramic air permeable plate is put in centre.Put in culture dish 100mL distilled water be used as to
Liquid is surveyed, fabric is held in culture dish upper layer with rubber band, is placed on permeable-gas ceramics plate, covers grournd glass lid.Entirely filling
Place the ultraviolet lamp of 48W (wavelength 365nm) in top set portion.Ultraviolet lamp is opened, after 3h, light is divided using acetylacetone,2,4-pentanedione
Degree method measures content of formaldehyde in prepare liquid.Fabric photocatalysis Degradation Formaldehyde performance is characterized by Degradation Formaldehyde rate.Degradation Formaldehyde rate
It is calculated with following formula:
In formula: M-Degradation Formaldehyde rate；C0The absorbance of prepare liquid after-placement original cloth；It is to be measured after C-placement finish fabric
The absorbance of liquid.
The Degradation Formaldehyde rate of 1 air automatically cleaning textile of table
| Sample number into spectrum | Degradation Formaldehyde rate |
| 1# | 50% |
| 2# | 55% |
| 3# | 70% |
| 4# | 60% |
| 5# | 65% |
As it can be seen from table 1 air automatically cleaning textile PARA FORMALDEHYDE PRILLS(91,95) has obvious degradation effect under ultraviolet light.
Claims (7)
1. a kind of nanometer titanic oxide material of nitrogen-doped carbon material cladding, it is characterised in that the nanometer titanic oxide material is:
Nitrogen-doped carbon material, the mass ratio of the nano-titanium dioxide and nitrogen-doped carbon material are coated on nano-titanium dioxide surface
Are as follows: 1:1~1:3；The partial size of the nano-titanium dioxide is 20~80nm.
2. a kind of method for the nanometer titanic oxide material for preparing nitrogen-doped carbon material cladding according to claim 1,
It is characterized in that the specific steps of this method are as follows:
A. the organic compound simultaneously containing nitrogen and oxygen element is dissolved in the HCL solution of deionized water or 1mol/L,
Form the aqueous solution of 3~10wt%;Then in aqueous solution according to itrogenous organic substance and nano-TiO2The ratio of mass ratio 1:1~3:1
Nano-TiO is added in example2, stir and be allowed to uniformly mixed；Then by gained mixture dry 8 in 120~150 DEG C of baking oven~
10h, by moisture removal；
B. mixture step a obtained is heat-treated 8~12 hours under the conditions of 700~1000 DEG C, obtains under an inert atmosphere
To black powder, i.e. the modified Nano TiO of nitrogen-doped carbon material cladding2。
3. according to the method described in claim 2, it is characterized in that containing organising for nitrogen and oxygen element while described
Close object are as follows: chitosan, gelatin, phenolic aldehyde amine, trihydroxy methyl aminopropane or trimethylol melamine.
4. a kind of nanometer titanic oxide material of nitrogen-doped carbon material cladding according to claim 1 is answered as light-catalysed
With.
5. a kind of nanometer titanic oxide material of nitrogen-doped carbon material cladding according to claim 1 is being dropped as photocatalysis
Solve the application of organic compound.
6. a kind of air automatically cleaning textile, the nano-silica coated using nitrogen-doped carbon material according to claim 1
Change titanium material as photocatalysis, it is characterised in that the air automatically cleaning textile is received what the nitrogen-doped carbon material coated
Rice titanic oxide material is dispersed in water, and is impregnated to textile surface, is obtained air automatically cleaning textile.
7. air automatically cleaning textile according to claim 6, it is characterised in thatThe airThe preparation of automatically cleaning textile
The specific steps of method are as follows: the nanometer titanic oxide material for the nitrogen-doped carbon material cladding that step b is obtained is fully ground grain
Diameter < 1 μm；It is dispersed in the aqueous solution containing the aqueous hyper-dispersant of 2wt%, obtains modified Nano TiO2Content is the dispersion of 10wt%
Liquid；Textile is immersed in 5~10min in the dispersion liquid, drying under room temperature obtains air automatically cleaning textile.
Priority Applications (1)
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| WO2023241152A1 (en) * | 2022-06-16 | 2023-12-21 | 天津大学 | Preparation method for hollow nitrogen-doped carbon-coated titanium dioxide photocatalyst |
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