CN105642248A - Formaldehyde filter screen composite material for air purifier and preparation method thereof - Google Patents
Formaldehyde filter screen composite material for air purifier and preparation method thereof Download PDFInfo
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- CN105642248A CN105642248A CN201510974423.8A CN201510974423A CN105642248A CN 105642248 A CN105642248 A CN 105642248A CN 201510974423 A CN201510974423 A CN 201510974423A CN 105642248 A CN105642248 A CN 105642248A
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- activated carbon
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- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title claims abstract description 95
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 239000002131 composite material Substances 0.000 title abstract description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 87
- 238000003756 stirring Methods 0.000 claims abstract description 39
- 239000011159 matrix material Substances 0.000 claims abstract description 34
- 239000002105 nanoparticle Substances 0.000 claims abstract description 27
- 238000006243 chemical reaction Methods 0.000 claims abstract description 14
- 239000002904 solvent Substances 0.000 claims abstract description 7
- 239000000243 solution Substances 0.000 claims description 72
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 40
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 33
- 239000011259 mixed solution Substances 0.000 claims description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- 238000005406 washing Methods 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 21
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical group CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 claims description 18
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 18
- 239000013543 active substance Substances 0.000 claims description 18
- 239000004305 biphenyl Substances 0.000 claims description 12
- 239000003999 initiator Substances 0.000 claims description 12
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 11
- 239000000839 emulsion Substances 0.000 claims description 11
- 229910017604 nitric acid Inorganic materials 0.000 claims description 11
- 238000002203 pretreatment Methods 0.000 claims description 10
- BQZJOQXSCSZQPS-UHFFFAOYSA-N 2-methoxy-1,2-diphenylethanone Chemical group C=1C=CC=CC=1C(OC)C(=O)C1=CC=CC=C1 BQZJOQXSCSZQPS-UHFFFAOYSA-N 0.000 claims description 9
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 claims description 9
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical group [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 9
- 239000004141 Sodium laurylsulphate Substances 0.000 claims description 9
- 239000003822 epoxy resin Substances 0.000 claims description 9
- 229920000647 polyepoxide Polymers 0.000 claims description 9
- 239000011780 sodium chloride Substances 0.000 claims description 9
- 235000019333 sodium laurylsulphate Nutrition 0.000 claims description 9
- 238000005119 centrifugation Methods 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 8
- 239000008367 deionised water Substances 0.000 claims description 8
- 229910021641 deionized water Inorganic materials 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- 230000009514 concussion Effects 0.000 claims description 6
- 239000004064 cosurfactant Substances 0.000 claims description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 5
- 239000010936 titanium Substances 0.000 claims description 5
- 229910052719 titanium Inorganic materials 0.000 claims description 5
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical group [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 claims description 4
- 239000004094 surface-active agent Substances 0.000 claims description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract description 21
- 230000015556 catabolic process Effects 0.000 abstract description 11
- 238000006731 degradation reaction Methods 0.000 abstract description 11
- 238000001035 drying Methods 0.000 abstract description 10
- 239000004408 titanium dioxide Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- 238000001179 sorption measurement Methods 0.000 abstract description 6
- 238000004132 cross linking Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 230000004298 light response Effects 0.000 abstract description 3
- 230000004044 response Effects 0.000 abstract description 3
- 230000003197 catalytic effect Effects 0.000 abstract 1
- 239000003431 cross linking reagent Substances 0.000 abstract 1
- 238000002156 mixing Methods 0.000 abstract 1
- 230000001699 photocatalysis Effects 0.000 abstract 1
- 230000009257 reactivity Effects 0.000 abstract 1
- 239000011941 photocatalyst Substances 0.000 description 30
- 239000012153 distilled water Substances 0.000 description 18
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 17
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical group CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 13
- 229920000642 polymer Polymers 0.000 description 12
- 229930040373 Paraformaldehyde Natural products 0.000 description 11
- 229920002866 paraformaldehyde Polymers 0.000 description 11
- 239000013078 crystal Substances 0.000 description 8
- 239000002253 acid Substances 0.000 description 6
- 239000003513 alkali Substances 0.000 description 6
- 239000000178 monomer Substances 0.000 description 6
- 239000011148 porous material Substances 0.000 description 6
- 229910001868 water Inorganic materials 0.000 description 6
- 206010013786 Dry skin Diseases 0.000 description 5
- 230000009471 action Effects 0.000 description 5
- 230000000274 adsorptive effect Effects 0.000 description 5
- 238000013019 agitation Methods 0.000 description 5
- 235000011114 ammonium hydroxide Nutrition 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000004448 titration Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 2
- 241001466460 Alveolata Species 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- -1 hydroxyl free radical Chemical class 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
- 239000008782 xin-kang 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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/261—Synthetic macromolecular compounds obtained by reactions only involving carbon to carbon unsaturated bonds
-
- 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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
-
- 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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
-
- 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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/265—Synthetic macromolecular compounds modified or post-treated polymers
- B01J20/267—Cross-linked polymers
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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
-
- 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
- B01J21/18—Carbon
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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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/06—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing polymers
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D2255/00—Catalysts
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- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Catalysts (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The invention provides a formaldehyde filter screen composite material for an air purifier and a preparation method thereof. The method comprises the steps of: mixing a solvent with a crosslinking agent, stirring, adding poly-1,4-diphenyl diacetylene and mesoporous titanium dioxide nanoparticles; stirring to obtain a first mixed liquor; adding activated carbon fiber to the first mixed liquor for crosslinking reaction; and drying to obtain the formaldehyde filter screen composite material for the air purifier. The invention uses activated carbon fiber as the matrix material with large specific surface area and high adsorption activity to ensure great adsorption capacity of the composite material. The screened mesoporous titanium dioxide nanoparticles with high UV response and poly-1,4-diphenyl diacetylene with visible light response are compounded to greatly improve the photocatalytic reactivity of the composite material, and improve the degradation rate of formaldehyde by the composite material. The experimental results show that the formaldehyde filter screen composite material for air purifier prepared by the invention has high adsorption capacity and catalytic degradation capabilities.
Description
Technical field
The present invention relates to composite functional material technical field, particularly relate to a kind of air purifier formaldehyde filter screen matrix material and its preparation method.
Background technology
Formaldehyde is indoor common air pollutant, and finishing material is the main source of pollution of formaldehyde, secondly also derives from the exchange of domestic pollution and indoor-outdoor air, and at present, indoor formaldehyde gas is the number one killer of harm Modern Family health.
Air purifier is the effective means of a kind of effective removal indoor formaldehyde gas, common are gac filter screen and photocatalyst filter screen. Activated charcoal strainer adopts the aluminium honeycomb of through-hole structure, plastic honeycomb or paper wasp nest to be carrier. Compared with tradition activated charcoal strainer, activated charcoal strainer has more excellent gasdynamics performance, and volume density is little, and specific surface area is big, adsorption efficiency height, and air resistance coefficient is little. Alveolate activated carbon capable filter screen uploads attached powdered carbon at polyurethane foam to make, its carbon content is at about 35%-50%, there is the efficient absorption property of gac, can be used for purification of air, remove the pollutent in volatile organic compounds formaldehyde, toluene, hydrogen sulfide, chlorobenzene and air.
Photocatalyst filter screen, taking nano titanium oxide photocatalyst as raw material, makes photocatalyst be attached to different substances surface with minimum uniform particles in conjunction with state-of-the-art technology. Photocatalyst is taking sunlight, fluorescent lamp, UV-light as the energy, excites the electronics (e in valence band-) transit to conduction band, valence band produces corresponding hole (h+), generate active oxygen and the hydroxyl free radical with pole strong oxidation, the obnoxious flavour oxygenolysis such as formaldehyde are become harmless CO2And H2O, reaches purification air, decomposes the object of harmful organic substance. But, gac filter screen PARA FORMALDEHYDE PRILLS(91,95) reach absorption saturated after just lose the removal function of PARA FORMALDEHYDE PRILLS(91,95); Photocatalyst filter screen is due to nano-TiO2UV-light is only had good response by itself, and to visible light-responded poor, therefore the clearance of PARA FORMALDEHYDE PRILLS(91,95) is subject to the restriction of illumination to a great extent.
Therefore, develop a kind of formaldehyde filter screen matrix material with strong absorption property and high ultraviolet-visible response ability to be of great practical significance.
Summary of the invention
The main purpose of the present invention is to provide a kind of air purifier formaldehyde filter screen matrix material and its preparation method, has higher adsorptive power and catalyzed degradation ability.
For reaching above object, the technical solution used in the present invention is:
A preparation method for air purifier formaldehyde filter screen matrix material, comprises the following steps: mixed with linking agent by solvent, stirs, adds poly-1,4-diphenyl diacetylene and mesoporous TiO 2 nano particle, obtain the first mixed solution after stirring; In described first mixed solution, add activated carbon fiber carry out crosslinking reaction, after dry, obtain air purifier formaldehyde filter screen matrix material.
Preferably, described linking agent is epoxy resin.
Preferably, poly-1,4-diphenyl diacetylene is prepared as follows: add in hexanaphthene by 1,4-diphenyl diacetylene and initiator, forms the 2nd mixed solution; By surfactant dissolves in NaCl solution, concussion, adds described 2nd mixed solution, forms white emulsion after concussion; Adding cosurfactant in described white emulsion, stir, be placed in the lower irradiations such as UV-light and carry out photopolymerization reaction, washing, centrifugation, obtains poly-1,4-diphenyl diacetylene.
Preferably, described initiator is benzoin methyl ether.
Preferably, described tensio-active agent is sodium lauryl sulphate.
Preferably, described cosurfactant is 1-amylalcohol
Preferably, described mesoporous TiO 2 nano particle is prepared as follows: be dissolved in deionized water by template, stirs, and drips and adds titanium source compound, obtains the 3rd mixed solution; By described 3rd mixed solution heating, adjust ph, moves in hydro-thermal autoclave, reacts, decompress filter, washing at 150-170 DEG C, dry, obtains mesoporous TiO 2 nano particle after roasting.
Preferably, described template is cetyl trimethylammonium bromide
Preferably, also comprise and activated carbon fiber is carried out pre-treatment: activated carbon fiber is placed in NaOH solution and soaks, washing, extruding; Described activated carbon fiber is placed in dilute nitric acid solution soak, washing, extruding; Described activated carbon fiber is placed in ethanolic soln soak, washing, dry.
Accordingly, the present invention also provides a kind of air purifier formaldehyde filter screen matrix material, is poly-1,4-diphenyl diacetylene-mesoporous TiO 2/activated carbon fiber, wherein, take activated carbon fiber as body material.
The present invention provides a kind of air purifier formaldehyde filter screen matrix material and its preparation method, comprise the following steps: solvent is mixed with linking agent, stir, add poly-1,4-diphenyl diacetylene and mesoporous TiO 2 nano particle, obtain the first mixed solution after stirring; In described first mixed solution, add activated carbon fiber carry out crosslinking reaction, after dry, obtain air purifier formaldehyde filter screen matrix material. Compared with prior art, the present invention take activated carbon fiber as body material, and it has bigger specific surface area and high adsorption activity, it is ensured that the adsorptive power that matrix material is bigger. On the other hand, carrying out compound by screening the mesoporous TiO 2 nano particle with high ultraviolet light response and visible light-responded poly-1,4-diphenyl diacetylene, the light substantially increasing matrix material urges reactive behavior, it is to increase the degradation rate of matrix material PARA FORMALDEHYDE PRILLS(91,95).Experimental result shows, air purifier formaldehyde filter screen matrix material prepared by the present invention has higher adsorptive power and catalyzed degradation ability.
Embodiment
Those skilled in the art below describe for disclosing the present invention so that can realize the present invention. Preferred embodiment in below describing only as an example, it may occur to persons skilled in the art that other apparent modification.
The present invention provides the preparation method of a kind of air purifier formaldehyde filter screen matrix material, comprise the following steps: solvent is mixed with linking agent, stir, add poly-1,4-diphenyl diacetylene and mesoporous TiO 2 nano particle, obtain the first mixed solution after stirring; In described first mixed solution, add activated carbon fiber carry out crosslinking reaction, after dry, obtain air purifier formaldehyde filter screen matrix material.
Preferably, described solvent is preferably acetone; Described linking agent is preferably epoxy resin; Drying temperature is preferably 70-90 DEG C, it is more preferable to be 80 DEG C. Concrete, comprise the following steps: 100ml solvent is added in the there-necked flask of 250ml, then add 1.5g linking agent, stir, add poly-1,4-diphenyl diacetylene and mesoporous TiO 2 nano particle under stirring, after stirring 2h, obtain the first mixed solution; In described first mixed solution, add activated carbon fiber carry out crosslinking reaction, after 5h in the baking oven of 80 DEG C dry 24h, obtain poly-1,4-diphenyl diacetylene-mesoporous TiO 2/activated carbon fiber screen material, namely plant air purifier formaldehyde filter screen matrix material.
Preferably, also comprise and activated carbon fiber is carried out pre-treatment: activated carbon fiber is placed in NaOH solution and soaks, washing, extruding, described activated carbon fiber is placed in dilute nitric acid solution soak, washing, extruding, described activated carbon fiber is placed in ethanolic soln soak, washing, dry. wherein, the concentration of NaOH solution is preferably 0.4-0.6mol/L, it is more preferable to be 0.5mol/L, and in NaOH solution, soak time is preferably 0.4-1h, it is more preferable to be 0.5h, the concentration of dilute nitric acid solution is preferably 0.4-0.6mol/L, it is more preferable to be 0.5mol/L, and in dilute nitric acid solution, soak time is preferably 0.4-1h, it is more preferable to be 0.5h, the concentration of ethanolic soln is preferably 0.4-0.6mol/L, it is more preferable to be 0.5mol/L, and in ethanolic soln, soak time is preferably 0.4-1h, it is more preferable to be 0.5h, drying temperature is preferably 100-150 DEG C, it is more preferable to be 120 DEG C, time of drying is preferably 20-30h, it is more preferable to be 24h. the pre-treatment step of activated carbon fiber is preferably: after the NaOH solution that activated carbon fiber is placed in 0.5mol/L soaks 0.5h, unnecessary alkali is removed three times with distilled water wash, after completing, moisture unnecessary for activated carbon fiber is pressed dry, after the dilute nitric acid solution putting into 0.5mol/L soaks 0.5h, distilled water wash goes out unnecessary acid for three times, after completing, moisture unnecessary for activated carbon fiber is pressed dry, after the ethanolic soln that activated carbon fiber is placed in after completing 0.5mol/L soaks 0.5h, distilled water wash goes out unnecessary ethanol for three times, 120 DEG C of dry 24h obtain pretreated activated carbon fiber in an oven again. the present invention is by carrying out pre-treatment to activated carbon fiber, it is to increase the pore structure of activated carbon fiber inside, some impurity things, it is to increase specific surface area and adsorptive power.
Preferably, described poly-1,4-diphenyl diacetylene is prepared as follows: add in hexanaphthene by 1,4-diphenyl diacetylene and initiator, forms the 2nd mixed solution;By surfactant dissolves in NaCl solution, concussion, adds described 2nd mixed solution, forms white emulsion after concussion; Adding cosurfactant in described white emulsion, stir, irradiate and carry out photopolymerization reaction under being placed in UV-light, washing, centrifugation, obtains poly-1,4-diphenyl diacetylene.
Wherein, described initiator is preferably benzoin methyl ether; Described tensio-active agent is preferably sodium lauryl sulphate; Described cosurfactant is preferably 1-amylalcohol. In described 2nd mixed solution, the massfraction of 1,4-diphenyl diacetylene is preferably 8-15%, it is more preferable to be 10%; The massfraction of initiator is preferably 0.8-0.15%, it is more preferable to be 0.1%. The concentration of NaCl solution is preferably 0.1-0.5mol/l, it is more preferable to be 0.3mol/l; The irradiation time of UV-light is preferably 10-20h, it is more preferable to be 12h.
Preferably, described mesoporous TiO 2 nano particle is prepared as follows: be dissolved in deionized water by template, stirs, and drips and adds titanium source compound, obtains the 3rd mixed solution; By described 3rd mixed solution heating, adjust ph, moves in hydro-thermal autoclave, reacts, decompress filter, washing at 150-170 DEG C, dry, obtains mesoporous TiO 2 nano particle after roasting.
Wherein, described template is preferably cetyl trimethylammonium bromide; Described titanium source compound is preferably titanium tetrachloride; Described pH value is preferably 8-9; Maturing temperature is preferably 400-500 DEG C, it is more preferable to be 450 DEG C. The rate of addition of titanium source compound is preferably 0.5-2D/s, it is more preferable to be 1D/s, and the temperature of reaction of hydro-thermal autoclave is preferably 160-170 DEG C, it is more preferable to be 160 DEG C; Drying temperature is preferably 80-100 DEG C, it is more preferable to be 80-90 DEG C; Roasting time is preferably 0.5-2h, it is more preferable to be 1h; The temperature rise rate of roasting is preferably 0.5-2 DEG C/min, it is more preferable to be 1 DEG C/min.
Air purifier formaldehyde filter screen matrix material of the present invention combines by body material and active material, mainly utilize the activated carbon fiber of high absorption capacity for matrix, by compound macromolecular polymer photocatalyst and what inorganic nano photocatalyst activity material realized.
Air purifier formaldehyde filter screen matrix material prepared by the present invention is poly-1,4-diphenyl diacetylene-mesoporous TiO 2/activated carbon fiber, wherein, with activated carbon fiber body material. Mesoporous TiO 2 is Detitanium-ore-type and rutile-type mixed crystal titanium dioxide, and the aperture of mesoporous TiO 2 is preferably distributed in 4-5nm, and specific surface area is 340m2/ g, poly-1,4-diphenyl diacetylene size of particles is 40-50nm. In matrix material, TiO2Shared massfraction is 30-40%, and massfraction shared by poly-1,4-diphenyl diacetylene is 10-20%, and the clearance of matrix material 48h PARA FORMALDEHYDE PRILLS(91,95) is up to 99%.
As can be seen from above scheme, a kind of air purifier formaldehyde filter screen matrix material provided by the invention has following positively effect: (1), with activated carbon fiber body material, there is bigger specific surface area and high adsorption activity, it is ensured that the adsorptive power that matrix material is bigger. (2), be there is the mixed crystal titanium oxide inorganic photocatalyst and visible light-responded poly-1 of high ultraviolet light response by screening, 4-diphenyl diacetylene high molecular polymer photocatalyst compound, the light substantially increasing matrix material urges reactive behavior, it is to increase the degradation rate of matrix material PARA FORMALDEHYDE PRILLS(91,95).
In order to understand the present invention further, technical scheme provided by the invention being described in detail below in conjunction with embodiment, protection scope of the present invention is not limited by the following examples.
The raw material that the embodiment of the present invention adopts and chemical reagent are commercial.
Hexanaphthene used in the present embodiment, sodium lauryl sulphate, 1,4-diphenyl diacetylene monomer, 1-amylalcohol, benzoin methyl ether, all originate from Tianjin Ke Miou chemical reagent company limited; Cetyl trimethylammonium bromide, titanium tetrachloride all originate from Chemical Reagent Co., Ltd., Sinopharm Group; Activated carbon fiber is purchased from Qinhuangdao city Zi Chuan Carbon fibe company limited; Acetone is purchased from Xilong Chemical Co., Ltd, and epoxy resin is purchased from Wuhan Hong Xinkang Fine Chemical Co., Ltd.
Comparative example 1
(1), high molecular polymer photocatalyst is poly-1, 4-diphenyl diacetylene: the sodium lauryl sulphate taking 1g is dissolved in the NaCl solution of 0.3mol/l of 2ml, concuss makes tensio-active agent fully dissolve and obtains transparent solution, then the 1 of 10% massfraction is added, the initiator benzoin methyl ether hexanaphthene mixed solution of 4-diphenyl diacetylene monomer and 1% massfraction, concuss is to the emulsion forming white, add 0.5ml another tensio-active agent 1-amylalcohol, mix after forming mixed solution, under agitation being placed in the lower 12h of irradiation such as UV-light occurs photopolymerization reaction to generate poly-1, 4-diphenyl diacetylene nano-high molecule Polymer photocatalyst, then unnecessary tensio-active agent is removed with alcohol solution washing, centrifugation goes out product, (2), inorganic nano photocatalyst is nanometer mixed crystal titanium dioxide: takes 3g tensio-active agent-cetyl trimethylammonium bromide and is dissolved in 200mL deionized water, stirs after evenly, by the TiCl of 22mL4Slowly being added drop-wise in above-mentioned solution, keeping dripping speed is 1D/s, keeps solution to clarify in titration process. Being moved into by settled solution in three-necked bottle, heating, occur after muddy 10min until solution, the ammoniacal liquor adjust ph adding 1: 1 is to 8-9, moved into water again, in thermal high reactor, at 160 DEG C, reacted 10h, decompress filter, washing, 80 DEG C of-90 DEG C of dryings, obtain powdered sample. Put into muffle furnace with the temperature rise rate roasting 1h of 1 DEG C/min at 450 DEG C, obtained mixed crystal TiO2Jie hole powder body material, the pore size distribution of mesoporous TiO 2 is at 4-5nm, and specific surface area is 340m2/ g, (3), poly-1, 4-diphenyl diacetylene-mesoporous TiO 2/activated carbon fiber screen material: activated carbon fiber pre-treatment: after the NaOH solution that activated carbon fiber first puts into 0.5mol/L soaks 0.5h, unnecessary alkali is gone out for three times with distilled water wash, after completing, moisture unnecessary for activated carbon fiber is pressed dry, after the dilute nitric acid solution putting into 0.5mol/L soaks 0.5h, distilled water wash goes out unnecessary acid for three times, after completing, moisture unnecessary for activated carbon fiber is pressed dry, after the ethanolic soln that activated carbon fiber is placed in after completing 0.5mol/L soaks 0.5h, distilled water wash goes out unnecessary ethanol for three times, 120 DEG C of dry 24h obtain pretreated activated carbon fiber carrier in an oven again. 100ml acetone is added in the there-necked flask of 250ml, then 1.5g epoxy resin is added, stir into solution, under stirring, the poly-1,4-diphenyl diacetylene of 1g is added, after stirring 2h, 5g activated carbon fiber carrier is added and above-mentioned solution carries out crosslinked action, after 5h, the activated carbon fiber of negative photocatalyst-bearing nanoparticle dry 24h in the baking oven of 80 DEG C being obtained poly-1,4-diphenyl diacetylene/activated carbon fiber screen material, the degradation rate of this matrix material PARA FORMALDEHYDE PRILLS(91,95) is 85%
Comparative example 2
(1), high molecular polymer photocatalyst is poly-1, 4-diphenyl diacetylene: the sodium lauryl sulphate taking 1g is dissolved in the NaCl solution of 0.3mol/l of 2ml, concuss makes tensio-active agent fully dissolve and obtains transparent solution, then the 1 of 10% massfraction is added, the initiator benzoin methyl ether hexanaphthene mixed solution of 4-diphenyl diacetylene monomer and 1% massfraction, concuss is to the emulsion forming white, add 0.5ml another tensio-active agent 1-amylalcohol, mix after forming mixed solution, under agitation being placed in the lower 12h of irradiation such as UV-light occurs photopolymerization reaction to generate poly-1, 4-diphenyl diacetylene nano-high molecule Polymer photocatalyst, then unnecessary tensio-active agent is removed with alcohol solution washing, centrifugation goes out product,(2), inorganic nano photocatalyst is nanometer mixed crystal titanium dioxide: takes 3g tensio-active agent-cetyl trimethylammonium bromide and is dissolved in 200mL deionized water, stirs after evenly, by the TiCl of 22mL4Slowly being added drop-wise in above-mentioned solution, keeping dripping speed is 1D/s, keeps solution to clarify in titration process. Being moved into by settled solution in three-necked bottle, heating, occur after muddy 10min until solution, the ammoniacal liquor adjust ph adding 1: 1 is to 8-9, moved into water again, in thermal high reactor, at 160 DEG C, reacted 10h, decompress filter, washing, 80 DEG C of-90 DEG C of dryings, obtain powdered sample. Putting into muffle furnace with the temperature rise rate roasting 1h of 1 DEG C/min at 450 DEG C, obtained mesoporous TiO 2 nano particle, the pore size distribution of mesoporous TiO 2 is at 4-5nm, and specific surface area is 340m2/ g, (3), poly-1, 4-diphenyl diacetylene-mesoporous TiO 2/activated carbon fiber screen material: activated carbon fiber pre-treatment: after the NaOH solution that activated carbon fiber first puts into 0.5mol/L soaks 0.5h, unnecessary alkali is gone out for three times with distilled water wash, after completing, moisture unnecessary for activated carbon fiber is pressed dry, after the dilute nitric acid solution putting into 0.5mol/L soaks 0.5h, distilled water wash goes out unnecessary acid for three times, after completing, moisture unnecessary for activated carbon fiber is pressed dry, after the ethanolic soln that activated carbon fiber is placed in after completing 0.5mol/L soaks 0.5h, distilled water wash goes out unnecessary ethanol for three times, 120 DEG C of dry 24h obtain pretreated activated carbon fiber carrier in an oven again. 100ml acetone is added in the there-necked flask of 250ml, then 1.5g epoxy resin is added, stir into solution, under stirring, add 4g mesoporous TiO 2 nano particle, being added by 5g activated carbon fiber carrier after stirring 2h and carry out crosslinked action in above-mentioned solution, after 5h, the activated carbon fiber of negative photocatalyst-bearing nanoparticle dry 24h in the baking oven of 80 DEG C is obtained mesoporous TiO 2/activated carbon fiber screen material, the degradation rate of this matrix material PARA FORMALDEHYDE PRILLS(91,95) is 87%.
Embodiment 1
(1), high molecular polymer photocatalyst is poly-1, 4-diphenyl diacetylene: the sodium lauryl sulphate taking 1g is dissolved in the NaCl solution of 0.3mol/l of 2ml, concuss makes tensio-active agent fully dissolve and obtains transparent solution, then the 1 of 10% massfraction is added, the initiator benzoin methyl ether hexanaphthene mixed solution of 4-diphenyl diacetylene monomer and 1% massfraction, concuss is to the emulsion forming white, add 0.5ml another tensio-active agent 1-amylalcohol, mix after forming mixed solution, under agitation being placed in the lower 12h of irradiation such as UV-light occurs photopolymerization reaction to generate poly-1, 4-diphenyl diacetylene nano-high molecule Polymer photocatalyst, then unnecessary tensio-active agent is removed with alcohol solution washing, centrifugation goes out product, (2), inorganic nano photocatalyst is nanometer mixed crystal titanium dioxide: takes 3g tensio-active agent-cetyl trimethylammonium bromide and is dissolved in 200mL deionized water, stirs after evenly, by the TiCl of 22mL4Slowly being added drop-wise in above-mentioned solution, keeping dripping speed is 1D/s, keeps solution to clarify in titration process. Being moved into by settled solution in three-necked bottle, heating, occur after muddy 10min until solution, the ammoniacal liquor adjust ph adding 1: 1 is to 8-9, moved into water again, in thermal high reactor, at 160 DEG C, reacted 10h, decompress filter, washing, 80 DEG C of-90 DEG C of dryings, obtain powdered sample.Putting into muffle furnace with the temperature rise rate roasting 1h of 1 DEG C/min at 450 DEG C, obtained mesoporous TiO 2 nano particle, the pore size distribution of mesoporous TiO 2 is at 4-5nm, and specific surface area is 340m2/ g, (3), poly-1, 4-diphenyl diacetylene-mesoporous TiO 2/activated carbon fiber screen material: activated carbon fiber pre-treatment: after the NaOH solution that activated carbon fiber first puts into 0.5mol/L soaks 0.5h, unnecessary alkali is gone out for three times with distilled water wash, after completing, moisture unnecessary for activated carbon fiber is pressed dry, after the dilute nitric acid solution putting into 0.5mol/L soaks 0.5h, distilled water wash goes out unnecessary acid for three times, after completing, moisture unnecessary for activated carbon fiber is pressed dry, after the ethanolic soln that activated carbon fiber is placed in after completing 0.5mol/L soaks 0.5h, distilled water wash goes out unnecessary ethanol for three times, 120 DEG C of dry 24h obtain pretreated activated carbon fiber carrier in an oven again. 100ml acetone is added in the there-necked flask of 250ml, then 1.5g epoxy resin is added, stir into solution, under stirring, add 1g poly-1,4-diphenyl diacetylene and 4g mesoporous TiO 2 nano particle, after stirring 2h, 5g activated carbon fiber carrier is added and above-mentioned solution carries out crosslinked action, after 5h, the activated carbon fiber of negative photocatalyst-bearing nanoparticle dry 24h in the baking oven of 80 DEG C is obtained poly-1,4-diphenyl diacetylene-mesoporous TiO 2/activated carbon fiber screen material, the degradation rate of this matrix material PARA FORMALDEHYDE PRILLS(91,95) is 99%.
Embodiment 2
(1), high molecular polymer photocatalyst is poly-1, 4-diphenyl diacetylene: the sodium lauryl sulphate taking 1g is dissolved in the NaCl solution of 0.3mol/l of 2ml, concuss makes tensio-active agent fully dissolve and obtains transparent solution, then the 1 of 10% massfraction is added, the initiator benzoin methyl ether hexanaphthene mixed solution of 4-diphenyl diacetylene monomer and 1% massfraction, concuss is to the emulsion forming white, add 0.5ml another tensio-active agent 1-amylalcohol, mix after forming mixed solution, under agitation being placed in the lower 12h of irradiation such as UV-light occurs photopolymerization reaction to generate poly-1, 4-diphenyl diacetylene nano-high molecule Polymer photocatalyst, then unnecessary tensio-active agent is removed with alcohol solution washing, centrifugation goes out product, (2), inorganic nano photocatalyst is nanometer mixed crystal titanium dioxide: takes 3g tensio-active agent-cetyl trimethylammonium bromide and is dissolved in 200mL deionized water, stirs after evenly, by the TiCl of 22mL4Slowly being added drop-wise in above-mentioned solution, keeping dripping speed is 1D/s, keeps solution to clarify in titration process. Being moved into by settled solution in three-necked bottle, heating, occur after muddy 10min until solution, the ammoniacal liquor adjust ph adding 1: 1 is to 8-9, moved into water again, in thermal high reactor, at 160 DEG C, reacted 10h, decompress filter, washing, 80 DEG C of-90 DEG C of dryings, obtain powdered sample. Putting into muffle furnace with the temperature rise rate roasting 1h of 1 DEG C/min at 450 DEG C, obtained mesoporous TiO 2 nano particle, the pore size distribution of mesoporous TiO 2 is at 4-5nm, and specific surface area is 340m2/ g, (3), poly-1, 4-diphenyl diacetylene-mesoporous TiO 2/activated carbon fiber screen material: activated carbon fiber pre-treatment: after the NaOH solution that activated carbon fiber first puts into 0.5mol/L soaks 0.5h, unnecessary alkali is gone out for three times with distilled water wash, after completing, moisture unnecessary for activated carbon fiber is pressed dry, after the dilute nitric acid solution putting into 0.5mol/L soaks 0.5h, distilled water wash goes out unnecessary acid for three times, after completing, moisture unnecessary for activated carbon fiber is pressed dry, after the ethanolic soln that activated carbon fiber is placed in after completing 0.5mol/L soaks 0.5h, distilled water wash goes out unnecessary ethanol for three times, 120 DEG C of dry 24h obtain pretreated activated carbon fiber carrier in an oven again.100ml acetone is added in the there-necked flask of 250ml, then 1.5g epoxy resin is added, stir into solution, under stirring, add 1.5g poly-1,4-diphenyl diacetylene and 3.5g mesoporous TiO 2 nano particle, after stirring 2h, 5g activated carbon fiber carrier is added and above-mentioned solution carries out crosslinked action, after 5h, the activated carbon fiber of negative photocatalyst-bearing nanoparticle dry 24h in the baking oven of 80 DEG C is obtained poly-1,4-diphenyl diacetylene-mesoporous TiO 2/activated carbon fiber screen material, the degradation rate of this matrix material PARA FORMALDEHYDE PRILLS(91,95) is 98%.
Embodiment 3
(1), high molecular polymer photocatalyst is poly-1, 4-diphenyl diacetylene: the sodium lauryl sulphate taking 1g is dissolved in the NaCl solution of 0.3mol/l of 2ml, concuss makes tensio-active agent fully dissolve and obtains transparent solution, then the 1 of 10% massfraction is added, the initiator benzoin methyl ether hexanaphthene mixed solution of 4-diphenyl diacetylene monomer and 1% massfraction, concuss is to the emulsion forming white, add 0.5ml another tensio-active agent 1-amylalcohol, mix after forming mixed solution, under agitation being placed in the lower 12h of irradiation such as UV-light occurs photopolymerization reaction to generate poly-1, 4-diphenyl diacetylene nano-high molecule Polymer photocatalyst, then unnecessary tensio-active agent is removed with alcohol solution washing, centrifugation goes out product, (2), inorganic nano photocatalyst is nanometer mixed crystal titanium dioxide: takes 3g tensio-active agent-cetyl trimethylammonium bromide and is dissolved in 200mL deionized water, stirs after evenly, by the TiCl of 22mL4Slowly being added drop-wise in above-mentioned solution, keeping dripping speed is 1D/s, keeps solution to clarify in titration process. Being moved into by settled solution in three-necked bottle, heating, occur after muddy 10min until solution, the ammoniacal liquor adjust ph adding 1: 1 is to 8-9, moved into water again, in thermal high reactor, at 160 DEG C, reacted 10h, decompress filter, washing, 80 DEG C of-90 DEG C of dryings, obtain powdered sample. Putting into muffle furnace with the temperature rise rate roasting 1h of 1 DEG C/min at 450 DEG C, obtained mesoporous TiO 2 nano particle, the pore size distribution of mesoporous TiO 2 is at 4-5nm, and specific surface area is 340m2/ g, (3), poly-1, 4-diphenyl diacetylene-mesoporous TiO 2/activated carbon fiber screen material: activated carbon fiber pre-treatment: after the NaOH solution that activated carbon fiber first puts into 0.5mol/L soaks 0.5h, unnecessary alkali is gone out for three times with distilled water wash, after completing, moisture unnecessary for activated carbon fiber is pressed dry, after the dilute nitric acid solution putting into 0.5mol/L soaks 0.5h, distilled water wash goes out unnecessary acid for three times, after completing, moisture unnecessary for activated carbon fiber is pressed dry, after the ethanolic soln that activated carbon fiber is placed in after completing 0.5mol/L soaks 0.5h, distilled water wash goes out unnecessary ethanol for three times, 120 DEG C of dry 24h obtain pretreated activated carbon fiber carrier in an oven again. 100ml acetone is added in the there-necked flask of 250ml, then 1.5g epoxy resin is added, stir into solution, under stirring, add 2g poly-1,4-diphenyl diacetylene and 3g mesoporous TiO 2 nano particle, after stirring 2h, 5g activated carbon fiber carrier is added and above-mentioned solution carries out crosslinked action, after 5h, the activated carbon fiber of negative photocatalyst-bearing nanoparticle dry 24h in the baking oven of 80 DEG C is obtained poly-1,4-diphenyl diacetylene-mesoporous TiO 2/activated carbon fiber screen material, the degradation rate of this matrix material PARA FORMALDEHYDE PRILLS(91,95) is 96%.
More than show and describe the ultimate principle of the present invention, the advantage of main characteristic sum the present invention. The technician of the industry should understand; the present invention is not restricted to the described embodiments; the principle of the just the present invention described in above-described embodiment and specification sheets; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the scope of claimed the present invention. The present invention require protection domain by appending claims and etc. jljl define.
Claims (10)
1. the air purifier preparation method of formaldehyde filter screen matrix material, it is characterised in that, comprise the following steps:
Solvent is mixed with linking agent, stirs, add poly-1,4-diphenyl diacetylene and mesoporous TiO 2 nano particle, after stirring, obtain the first mixed solution;
In described first mixed solution, add activated carbon fiber react, after dry, obtain air purifier formaldehyde filter screen matrix material.
2. preparation method according to claim 1, it is characterised in that, described linking agent is epoxy resin.
3. preparation method according to claim 1, it is characterised in that, described poly-1,4-diphenyl diacetylene is prepared as follows:
1,4-diphenyl diacetylene and initiator are added in hexanaphthene, forms the 2nd mixed solution;
By surfactant dissolves in NaCl solution, concussion, adds described 2nd mixed solution, forms white emulsion after concussion;
Adding cosurfactant in described white emulsion, stir, be placed in the lower irradiations such as UV-light and carry out photopolymerization reaction, washing, centrifugation, obtains poly-1,4-diphenyl diacetylene.
4. preparation method according to claim 3, it is characterised in that, described initiator is benzoin methyl ether.
5. preparation method according to claim 3, it is characterised in that, described tensio-active agent is sodium lauryl sulphate.
6. preparation method according to claim 3, it is characterised in that, described cosurfactant is 1-amylalcohol.
7. preparation method according to claim 1, it is characterised in that, described mesoporous TiO 2 nano particle is prepared as follows:
Template is dissolved in deionized water, stirs, drip and add titanium source compound, obtain the 3rd mixed solution;
By described 3rd mixed solution heating, adjust ph, moves in hydro-thermal autoclave, reacts, decompress filter, washing at 150-170 DEG C, dry, obtains mesoporous TiO 2 nano particle after roasting.
8. preparation method according to claim 7, it is characterised in that, described template is cetyl trimethylammonium bromide.
9. preparation method according to claim 1, it is characterised in that, also comprise and activated carbon fiber is carried out pre-treatment:
Activated carbon fiber is placed in NaOH solution soak, washing, extruding;
Described activated carbon fiber is placed in dilute nitric acid solution soak, washing, extruding;
Described activated carbon fiber is placed in ethanolic soln soak, washing, dry.
10. an air purifier formaldehyde filter screen matrix material, it is characterised in that, it is poly-1,4-diphenyl diacetylene-mesoporous TiO 2/activated carbon fiber, wherein, take activated carbon fiber as body material.
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| CN111659349A (en) * | 2020-06-16 | 2020-09-15 | 天津清科环保科技有限公司 | Self-assembled honeycomb activated carbon-nano particle module and preparation method thereof |
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