CN108465490A - It is a kind of to load the preparation method for having nano titanium dioxide porous material - Google Patents
It is a kind of to load the preparation method for having nano titanium dioxide porous material Download PDFInfo
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- CN108465490A CN108465490A CN201810251664.3A CN201810251664A CN108465490A CN 108465490 A CN108465490 A CN 108465490A CN 201810251664 A CN201810251664 A CN 201810251664A CN 108465490 A CN108465490 A CN 108465490A
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- 239000011148 porous material Substances 0.000 title claims abstract description 45
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 238000002360 preparation method Methods 0.000 title claims abstract description 31
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000000839 emulsion Substances 0.000 claims abstract description 21
- 229920002818 (Hydroxyethyl)methacrylate Polymers 0.000 claims abstract description 16
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 claims abstract description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 13
- 150000001875 compounds Chemical class 0.000 claims abstract description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 30
- 239000000178 monomer Substances 0.000 claims description 21
- 238000007720 emulsion polymerization reaction Methods 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 14
- 238000005406 washing Methods 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 13
- 238000002791 soaking Methods 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 239000003431 cross linking reagent Substances 0.000 claims description 8
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 claims description 7
- 239000008367 deionised water Substances 0.000 claims description 7
- 229910021641 deionized water Inorganic materials 0.000 claims description 7
- 235000019441 ethanol Nutrition 0.000 claims description 7
- HVUMOYIDDBPOLL-XWVZOOPGSA-N Sorbitan monostearate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O HVUMOYIDDBPOLL-XWVZOOPGSA-N 0.000 claims description 6
- 239000003995 emulsifying agent Substances 0.000 claims description 6
- 239000003999 initiator Substances 0.000 claims description 6
- 125000003011 styrenyl group Chemical group [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 claims description 6
- KUDUQBURMYMBIJ-UHFFFAOYSA-N 2-prop-2-enoyloxyethyl prop-2-enoate Chemical compound C=CC(=O)OCCOC(=O)C=C KUDUQBURMYMBIJ-UHFFFAOYSA-N 0.000 claims description 5
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 4
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 4
- 235000019394 potassium persulphate Nutrition 0.000 claims description 4
- WHNPOQXWAMXPTA-UHFFFAOYSA-N 3-methylbut-2-enamide Chemical compound CC(C)=CC(N)=O WHNPOQXWAMXPTA-UHFFFAOYSA-N 0.000 claims description 3
- NWGKJDSIEKMTRX-AAZCQSIUSA-N Sorbitan monooleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O NWGKJDSIEKMTRX-AAZCQSIUSA-N 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 3
- -1 glycol ester Chemical class 0.000 claims description 3
- PRXRUNOAOLTIEF-ADSICKODSA-N Sorbitan trioleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC[C@@H](OC(=O)CCCCCCC\C=C/CCCCCCCC)[C@H]1OC[C@H](O)[C@H]1OC(=O)CCCCCCC\C=C/CCCCCCCC PRXRUNOAOLTIEF-ADSICKODSA-N 0.000 claims description 2
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 2
- 230000002209 hydrophobic effect Effects 0.000 claims description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 2
- 238000007654 immersion Methods 0.000 claims description 2
- 239000007858 starting material Substances 0.000 claims description 2
- 239000004094 surface-active agent Substances 0.000 claims description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 4
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 abstract description 2
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 230000000379 polymerizing effect Effects 0.000 abstract 1
- 230000001699 photocatalysis Effects 0.000 description 5
- 238000006116 polymerization reaction Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000007146 photocatalysis Methods 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- 239000010936 titanium Substances 0.000 description 4
- 238000003911 water pollution Methods 0.000 description 4
- 238000003915 air pollution Methods 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- DNXHEGUUPJUMQT-CBZIJGRNSA-N Estrone Chemical compound OC1=CC=C2[C@H]3CC[C@](C)(C(CC4)=O)[C@@H]4[C@@H]3CCC2=C1 DNXHEGUUPJUMQT-CBZIJGRNSA-N 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- 230000010718 Oxidation Activity Effects 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 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
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 125000004494 ethyl ester group Chemical group 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 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
- 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
-
- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/26—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24
- B01J31/38—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24 of titanium, zirconium or hafnium
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Polymerisation Methods In General (AREA)
- Catalysts (AREA)
Abstract
The invention discloses a kind of preparation methods for loading and having nano titanium dioxide porous material, this method utilizes the interior phase that nano-titanium dioxide and graphene oxide compound aqueous solution are that High Internal Phase Emulsion polymerize, by Water-In-Oil High Internal Phase Emulsion polymerizing styrene and hydroxy ethyl methacrylate, obtaining area load has nano titanium dioxide porous material.The preparation process of the present invention is simple, and the load of preparation has nano titanium dioxide porous material to have lightweight, ventilative performance, can be by nano-TiO2Payload reduces nano-TiO on porous material2Corrosion to porous material.
Description
Technical field
The present invention relates to catalysis material technical fields, and in particular to a kind of load has nano titanium dioxide porous material
Preparation method.
Background technology
The environmental problems such as water pollution, air pollution become the significant threat of human health, to water pollution, air pollutants
Thoroughly processing is our hope.Photocatalysis technology, which is close grows up about ten years, can be effectively treated water pollution, air pollution
Means, light-catalysed principle are can to generate high oxidation activity species in water under solar radiation by photochemical catalyst, make to have
The technology of machine contaminant degradation, therefore, photocatalysis technology are a kind of simple and environmentally-friendly solution water pollution, air pollution problems inherent
Method.In numerous photochemical catalysts, nano-titanium dioxide（TiO2）Because it has many advantages, such as that efficient, nontoxic, chemical property is stablized,
A kind of photochemical catalyst with large-scale application potentiality is become, however, nano-TiO2Usually exist in powder form, at it
Occurring the shortcomings of being not easily recycled utilization on, porous material has larger specific surface area, and exists in the form of bulk material,
It is easy to use, as nano-TiO2Carrier can solve its deficiency being not easily recycled, but porous material especially high score
Sub- porous material and nano-TiO2Active force is not strong, in the photocatalytic process it is also possible to corrosion porous material.Therefore, it is necessary to
Improvement loads the preparation method for having nano titanium dioxide porous material.
Invention content
To solve the deficiencies in the prior art, the purpose of the present invention is to provide one kind can be by nano-TiO2Payload is in more
On Porous materials, and reduce nano-TiO2There is the preparation side of nano titanium dioxide porous material to the load of the corrosion of porous material
Method.
In order to realize that above-mentioned target, the present invention adopt the following technical scheme that：
It is a kind of to load the preparation method for having nano titanium dioxide porous material, including following preparation process：
S1, nano-titanium dioxide and graphene oxide is soluble in water, ultrasonic disperse 30min are added initiator after standing, obtain
Phase solution in High Internal Phase Emulsion polymerization；
S2, in the reactor according to a certain percentage mixes styrene and hydroxy ethyl methacrylate, and certain proportion is added
Toluene, crosslinking agent and emulsifier be uniformly mixed, obtain monomer solution；
S3, phase solution in High Internal Phase Emulsion polymerization is added dropwise to dropwise in the reactor for being contained with monomer solution, after completion of dropwise addition,
Mixing speed is improved to 700 turns/min, 30min is stirred, obtains emulsion system, emulsion system is transferred in fixed container,
It seals, react 12h under conditions of 60 DEG C, reaction solution deionized water washing by soaking after reaction reuses ethyl alcohol immersion
Washing, being dried to obtain load has nano titanium dioxide porous material.
Preferably, in abovementioned steps S1, the mass ratio of nano-titanium dioxide and graphene oxide is 4:1~1:4, nanometer two
The gross mass of titanium oxide and graphene oxide is 2 ~ 4% of phase solution in High Internal Phase Emulsion polymerization.
More preferably, in abovementioned steps S1, initiator is water soluble starter, and dosage is styrene and methacrylic acid
The 0.1 ~ 10% of hydroxyethyl ester gross mass.
It is highly preferred that foregoing initiators are one kind in potassium peroxydisulfate, ammonium persulfate, V40 and V50.
It is further preferred that in abovementioned steps S2, the molar ratio of styrene and hydroxy ethyl methacrylate is 80:20
~98:2。
Specifically, in abovementioned steps S2, the quality of toluene is styrene and hydroxy ethyl methacrylate gross mass
10 ~ 200%, crosslinking agent is the hydrophobic compound that molecule includes two C=C, and quality is styrene and hydroxyethyl methacrylate
Base ethyl ester gross mass 2 ~ 20%.
Preferably, aforementioned crosslinking agent is in divinylbenzene, ethylene glycol diacrylate and dimethyl acrylamide acid glycol ester
One kind.
More preferably, in abovementioned steps S2, emulsifier is nonionic surface active agent, and quality is styrene, methyl
The 2 ~ 20% of dihydroxypropyl ethyl ester, toluene and crosslinking agent gross mass.
It is highly preferred that aforementioned emulsifier is one or more in Span-60, Span-80 and Span-85.
It is further preferred that in above mentioned steps S3, the volume ratio of phase solution and monomer solution is in High Internal Phase Emulsion polymerization
98: 2~74: 26。
The invention has the beneficial effects that：
（1）The technical process of the present invention is easy to operate, of low cost, can adapt to extensive actual production；
（2）Load prepared by the present invention has nano titanium dioxide porous material that can realize photocatalysis under ultraviolet, visible light；
（3）Load prepared by the present invention has nano titanium dioxide porous material, and recycling for nano-titanium dioxide may be implemented,
And under the isolation of graphene oxide, corrosion of the photocatalysis to porous material is avoided；
（4）It is light, ventilative that load prepared by the present invention has the advantages that nano titanium dioxide porous material has.
Description of the drawings
Fig. 1 is the scanning electron microscope (SEM) photograph that load has nano titanium dioxide porous material in the embodiment of the present invention 1.
Specific implementation mode
Specific introduce is made to the present invention below in conjunction with the drawings and specific embodiments.
Embodiment 1
It is a kind of to load the preparation method for having nano titanium dioxide porous material, including following preparation process：
S1,4g nano-titanium dioxides and 1g graphene oxides are dissolved in 125mL water, ultrasonic disperse 30min, are added after standing
0.2g potassium peroxydisulfates obtain phase solution in High Internal Phase Emulsion polymerization；
Styrene and hydroxy ethyl methacrylate are 80 in molar ratio by S2, in the reactor:20 mixing, it is mixed to obtain 2g
Object is closed, 0.2g toluene, 0.2g divinylbenzenes and 0.24g Span-60 is added and is uniformly mixed, obtains monomer solution；
S3, phase solution in High Internal Phase Emulsion polymerization is added dropwise to dropwise in the reactor for being contained with monomer solution, High Internal Phase Emulsion
The volume ratio of phase solution and monomer solution is 74 in polymerization:26, after completion of dropwise addition, mixing speed is improved to 700 turns/min, is stirred
30min is mixed, emulsion system is obtained, emulsion system is transferred in fixed container, reacts 12h under conditions of sealing, 60 DEG C, instead
Reaction solution deionized water washing by soaking after answering, reuses ethyl alcohol washing by soaking, being dried to obtain load has nano-silica
Change titanium porous material.
Embodiment 2
It is a kind of to load the preparation method for having nano titanium dioxide porous material, including following preparation process：
S1,1g nano-titanium dioxides and 4g graphene oxides are dissolved in 250mL water, ultrasonic disperse 30min, are added after standing
0.002g ammonium persulfates obtain phase solution in High Internal Phase Emulsion polymerization；
Styrene and hydroxy ethyl methacrylate are 98 in molar ratio by S2, in the reactor:2 mixing obtain 2g mixing
Object is added 4g toluene, 0.04g ethylene glycol diacrylates and 0.12g Span-80 and is uniformly mixed, obtains monomer solution；
S3, phase solution in High Internal Phase Emulsion polymerization is added dropwise to dropwise in the reactor for being contained with monomer solution, High Internal Phase Emulsion
The volume ratio of phase solution and monomer solution is 98 in polymerization:2, after completion of dropwise addition, mixing speed is improved to 700 turns/min, is stirred
30min is mixed, emulsion system is obtained, emulsion system is transferred in fixed container, reacts 12h under conditions of sealing, 60 DEG C, instead
Reaction solution deionized water washing by soaking after answering, reuses ethyl alcohol washing by soaking, being dried to obtain load has nano-silica
Change titanium porous material.
Embodiment 3
It is a kind of to load the preparation method for having nano titanium dioxide porous material, including following preparation process：
S1,2g nano-titanium dioxides and 2g graphene oxides are dissolved in 100mL water, ultrasonic disperse 30min, are added after standing
0.004g V40 obtain phase solution in High Internal Phase Emulsion polymerization；
Styrene and hydroxy ethyl methacrylate are 80 in molar ratio by S2, in the reactor:20 mixing, it is mixed to obtain 2g
Object is closed, 0.2g toluene, 0.2g divinylbenzenes and 0.24g Span-60 is added and is uniformly mixed, obtains monomer solution；
S3, phase solution in High Internal Phase Emulsion polymerization is added dropwise to dropwise in the reactor for being contained with monomer solution, High Internal Phase Emulsion
The volume ratio of phase solution and monomer solution is 74 in polymerization:26, after completion of dropwise addition, mixing speed is improved to 700 turns/min, is stirred
30min is mixed, emulsion system is obtained, emulsion system is transferred in fixed container, reacts 12h under conditions of sealing, 60 DEG C, instead
Reaction solution deionized water washing by soaking after answering, reuses ethyl alcohol washing by soaking, being dried to obtain load has nano-silica
Change titanium porous material.
Embodiment 4
It is a kind of to load the preparation method for having nano titanium dioxide porous material, including following preparation process：
S1,1g nano-titanium dioxides and 2g graphene oxides are dissolved in 100mL water, ultrasonic disperse 30min, are added after standing
0.2g V50 obtain phase solution in High Internal Phase Emulsion polymerization；
Styrene and hydroxy ethyl methacrylate are 85 in molar ratio by S2, in the reactor:15 mixing, it is mixed to obtain 2g
Object is closed, 4g toluene, 0.4g dimethyl acrylamide acid glycol esters and 0.128g Span-60 is added and is uniformly mixed, obtains monomer solution；
S3, phase solution in High Internal Phase Emulsion polymerization is added dropwise to dropwise in the reactor for being contained with monomer solution, High Internal Phase Emulsion
The volume ratio of phase solution and monomer solution is 85 in polymerization:15, after completion of dropwise addition, mixing speed is improved to 700 turns/min, is stirred
30min is mixed, emulsion system is obtained, emulsion system is transferred in fixed container, reacts 12h under conditions of sealing, 60 DEG C, instead
Reaction solution deionized water washing by soaking after answering, reuses ethyl alcohol washing by soaking, being dried to obtain load has nano-silica
Change titanium porous material.
Embodiment 5
It is a kind of to load the preparation method for having nano titanium dioxide porous material, including following preparation process：
S1,2g nano-titanium dioxides and 1g graphene oxides are dissolved in 100mL water, ultrasonic disperse 30min, are added after standing
0.2g potassium peroxydisulfates obtain phase solution in High Internal Phase Emulsion polymerization；
Styrene and hydroxy ethyl methacrylate are 85 in molar ratio by S2, in the reactor:15 mixing, it is mixed to obtain 2g
Object is closed, 2g toluene, 0.4g divinylbenzenes and 0.1g Span-60 is added and is uniformly mixed, obtains monomer solution；
S3, phase solution in High Internal Phase Emulsion polymerization is added dropwise to dropwise in the reactor for being contained with monomer solution, High Internal Phase Emulsion
The volume ratio of phase solution and monomer solution is 92 in polymerization:8, after completion of dropwise addition, mixing speed is improved to 700 turns/min, stirring
30min obtains emulsion system, and emulsion system is transferred in fixed container, reacts 12h under conditions of sealing, 60 DEG C, reacts
After reaction solution deionized water washing by soaking, reuse ethyl alcohol washing by soaking, being dried to obtain load has nanometer titanium dioxide
Titanium porous material.
The load prepared in embodiment 1 has the microscopic appearance of nano titanium dioxide porous material as shown in Figure 1, can see
Go out, sulfur materials are in porous structure.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiments or example in can be combined in any suitable manner.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the invention is not limited in any way above-described embodiment, all to be obtained by the way of equivalent substitution or equivalent transformation
Technical solution is all fallen in protection scope of the present invention.
Claims (10)
1. a kind of loading the preparation method for having nano titanium dioxide porous material, which is characterized in that including following preparation process：
S1, nano-titanium dioxide and graphene oxide is soluble in water, ultrasonic disperse 30min are added initiator after standing, obtain
Phase solution in High Internal Phase Emulsion polymerization；
S2, in the reactor according to a certain percentage mixes styrene and hydroxy ethyl methacrylate, and certain proportion is added
Toluene, crosslinking agent and emulsifier be uniformly mixed, obtain monomer solution；
S3, phase solution in High Internal Phase Emulsion polymerization is added dropwise to dropwise in the reactor for being contained with monomer solution, after completion of dropwise addition,
Mixing speed is improved to 700 turns/min, 30min is stirred, obtains emulsion system, emulsion system is transferred in fixed container,
It seals, react 12h under conditions of 60 DEG C, reaction solution deionized water washing by soaking after reaction reuses ethyl alcohol immersion
Washing, being dried to obtain load has nano titanium dioxide porous material.
2. according to claim 1 load the preparation method for having nano titanium dioxide porous material, which is characterized in that described
In step S1, the mass ratio of nano-titanium dioxide and graphene oxide is 4:1~1:4, nano-titanium dioxide and graphene oxide
Gross mass is 2 ~ 4% of phase solution in High Internal Phase Emulsion polymerization.
3. according to claim 1 load the preparation method for having nano titanium dioxide porous material, which is characterized in that described
In step S1, initiator is water soluble starter, and dosage is the 0.1 of styrene and hydroxy ethyl methacrylate gross mass
~10%。
4. according to claim 3 load the preparation method for having nano titanium dioxide porous material, which is characterized in that described
Initiator is one kind in potassium peroxydisulfate, ammonium persulfate, V40 and V50.
5. according to claim 1 load the preparation method for having nano titanium dioxide porous material, which is characterized in that described
In step S2, the molar ratio of styrene and hydroxy ethyl methacrylate is 80:20~98:2.
6. according to claim 1 load the preparation method for having nano titanium dioxide porous material, which is characterized in that described
In step S2, the quality of toluene is the 10 ~ 200% of styrene and hydroxy ethyl methacrylate gross mass, and crosslinking agent is molecule
Include the hydrophobic compound of two C=C, quality is styrene and hydroxy ethyl methacrylate gross mass 2 ~ 20%.
7. according to claim 6 load the preparation method for having nano titanium dioxide porous material, which is characterized in that described
Crosslinking agent is one kind in divinylbenzene, ethylene glycol diacrylate and dimethyl acrylamide acid glycol ester.
8. having the preparation method of nano titanium dioxide porous material according to a kind of load described in claim 1, which is characterized in that institute
It states in step S2, emulsifier is nonionic surface active agent, and quality is styrene, hydroxy ethyl methacrylate, first
The 2 ~ 20% of benzene and crosslinking agent gross mass.
9. having the preparation method of nano titanium dioxide porous material according to a kind of load according to any one of claims 8, which is characterized in that institute
It is one or more in Span-60, Span-80 and Span-85 to state emulsifier.
10. a kind of load according to claim 1 has the preparation method of nano titanium dioxide porous material, feature to exist
In in the step S3, the volume ratio of phase solution and monomer solution is 98 in High Internal Phase Emulsion polymerization: 2~74: 26.
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| CN201810251664.3A CN108465490A (en) | 2018-03-26 | 2018-03-26 | It is a kind of to load the preparation method for having nano titanium dioxide porous material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110423298A (en) * | 2019-07-06 | 2019-11-08 | 湖北大学 | A kind of water-oil separating SiO2/ polystyrene composite porous material preparation method |
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