CN106179295A - A kind of photocatalytic activity Carbon fibe and preparation method thereof - Google Patents
A kind of photocatalytic activity Carbon fibe and preparation method thereof Download PDFInfo
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- CN106179295A CN106179295A CN201610549125.9A CN201610549125A CN106179295A CN 106179295 A CN106179295 A CN 106179295A CN 201610549125 A CN201610549125 A CN 201610549125A CN 106179295 A CN106179295 A CN 106179295A
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- activated carbon
- carbon fiber
- photocatalytic activity
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 230000001699 photocatalysis Effects 0.000 title claims abstract description 32
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 68
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 56
- 239000007822 coupling agent Substances 0.000 claims abstract description 19
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 239000000725 suspension Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 8
- 239000002904 solvent Substances 0.000 claims description 8
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 229910000077 silane Inorganic materials 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- 230000004580 weight loss Effects 0.000 claims description 5
- 239000002318 adhesion promoter Substances 0.000 claims description 3
- 150000001298 alcohols Chemical group 0.000 claims description 2
- 150000002632 lipids Chemical class 0.000 claims description 2
- 150000003961 organosilicon compounds Chemical class 0.000 claims 1
- 229920000049 Carbon (fiber) Polymers 0.000 abstract description 11
- 239000004917 carbon fiber Substances 0.000 abstract description 10
- 239000003054 catalyst Substances 0.000 abstract description 8
- 230000003197 catalytic effect Effects 0.000 abstract description 7
- 239000000835 fiber Substances 0.000 abstract description 7
- 238000012545 processing Methods 0.000 abstract description 5
- 239000005416 organic matter Substances 0.000 abstract description 4
- 238000011161 development Methods 0.000 abstract description 2
- HGWOWDFNMKCVLG-UHFFFAOYSA-N [O--].[O--].[Ti+4].[Ti+4] Chemical compound [O--].[O--].[Ti+4].[Ti+4] HGWOWDFNMKCVLG-UHFFFAOYSA-N 0.000 abstract 1
- 238000000889 atomisation Methods 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 230000001737 promoting effect Effects 0.000 abstract 1
- 239000007921 spray Substances 0.000 abstract 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 238000001179 sorption measurement Methods 0.000 description 6
- 239000004408 titanium dioxide Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 150000003377 silicon compounds Chemical class 0.000 description 5
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000011941 photocatalyst Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 241000790917 Dioxys <bee> Species 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 239000002156 adsorbate Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- XUPYJHCZDLZNFP-UHFFFAOYSA-N butyl butanoate Chemical compound CCCCOC(=O)CCC XUPYJHCZDLZNFP-UHFFFAOYSA-N 0.000 description 2
- 239000004202 carbamide Substances 0.000 description 2
- 235000013877 carbamide Nutrition 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 150000003608 titanium Chemical class 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910002551 Fe-Mn Inorganic materials 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- -1 felt Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- STZCRXQWRGQSJD-GEEYTBSJSA-M methyl orange Chemical compound [Na+].C1=CC(N(C)C)=CC=C1\N=N\C1=CC=C(S([O-])(=O)=O)C=C1 STZCRXQWRGQSJD-GEEYTBSJSA-M 0.000 description 1
- 229940012189 methyl orange Drugs 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- STZCRXQWRGQSJD-UHFFFAOYSA-M sodium;4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate Chemical class [Na+].C1=CC(N(C)C)=CC=C1N=NC1=CC=C(S([O-])(=O)=O)C=C1 STZCRXQWRGQSJD-UHFFFAOYSA-M 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000008096 xylene 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/18—Carbon
-
- 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
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/28023—Fibres or filaments
-
- 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
-
- B01J35/39—
-
- B01J35/58—
Abstract
The present invention relates to activated carbon field, be specifically related to a kind of photocatalytic activity Carbon fibe and preparation method thereof.The present invention, by vacuum microwave environment, with atomization coupling agent spray treatment activated carbon fiber, then soaks in nanometer titanium dioxide titanium solution, makes activated carbon fiber grafted nano titanium oxide, and drying obtains photocatalytic activity carbon fiber after processing.The present invention, by being grafted on activated carbon fiber by the nano titanium oxide with visible ray high catalytic activity, makes activated carbon fiber while having absorbability, also has visible light catalytic function concurrently.The preparation method of the present invention is simple, and preparation cost is low, and the photochemical catalyst activated carbon fibre property prepared is excellent, significant to the application development promoting decomposing organic matter.
Description
Technical field
The present invention relates to activated carbon field, be specifically related to a kind of photocatalytic activity Carbon fibe and preparation method thereof.
Background technology
Activated carbon fiber (ACF) is the third generation adsorption material after widely used granular active carbon, Powdered Activated Carbon
Material, it is that raw material is made by fiber, has that specific surface area is big, aperture is moderate, be evenly distributed, adsorption rate is fast, impurity is few
Advantage；The fibre diameter of activated carbon fiber is 5 ~ 20 μm, and specific surface area is averagely at 1000 ~ 3000m2About/g, average pore size exists
1.0 ~ 4.0nm, micropore is uniformly distributed in fiber surface.Compared with activated carbon, activated carbon fiber micropore size is little and uniform, structure
Simply, fast for the absorption small-molecule substance rate of adsorption, adsorption rate is high, easy desorption.Contact area with adsorbate
Greatly, and adsorbing material can be made to be fully utilized with uniform contact and absorption.Adsorption efficiency is high, and have fiber, felt, cloth and
The various very thin statement such as paper, the direct opening of hole is at fiber surface, and the evolving path that its adsorbate arrives adsorption potential is short, and this
The external surface area of body relatively internal surface area exceeds two orders of magnitude.
Although active carbon fiber felt has above advantage, but should in purification of water quality, air cleaning, waste gas (water) improvement etc.
With absorption saturated after cannot work on.General processing method is for regeneration or changes raw material.So can cause in use
Inconvenience and being substantially increased of use cost.
China Patent Publication No. CN105597805A discloses ferrum, nitrogen-doped titanium dioxide load carbon fiber composite photocatalyst
Agent and preparation method thereof, this invention utilizes collosol and gel and dipping method to prepare Fe-Mn cycle and transference TiO2Load carbon fiber is combined
Catalyst (is called for short (Fe, N)/TiO2@CF), by introducing ferrum and nitrogen-atoms in the catalyst, thus at TiO2Conduction band and valence band
Between introduce impurity energy level, reduce the band-gap energy of catalyst, improve the visible light catalytic performance of catalyst；Utilize load carbon
Fiber (being called for short CF) is possible not only to make material be easily recycled, and adds the repeat performance of catalyst, and adds photoproduction
The effective mobility of electronics, reduces the recombination probability of electron hole, thus improves the photo-quantum efficiency of catalysis material.
China Patent Publication No. CN103100378A discloses a kind of activated carbon fiber loaded titanium dioxide optical catalyst
Preparation method, the technology using oxidation modification and homogeneous precipitation to combine prepares Titanium dioxide/active carbon fiber photocatalyst, main
Want the step to be: by NACF, take out after soaking 1 hour in hydrogen peroxide, after deionized water rinsing, be dried in an oven
Take out stand-by after 4 hours；With certain mol proportion preparation titanium salt and the mixed solution of carbamide, uniform stirring is stand-by after 3 hours；At Jiang
NACF after reason is placed in the mixed solution of titanium salt and carbamide, stirs 5 hours under the conditions of 80 DEG C, after question response is complete
Take out NACF to dry in 100 DEG C of baking ovens；The NACF roasting 2 at 500 DEG C under nitrogen is protected that will dry
Hour, i.e. obtain Titanium dioxide/active carbon fiber photocatalyst.
In prior art, all use chemical method synthesis of titanium dioxide, be then grafted on activated carbon fiber surface so that system
The titanium dioxide particle diameter skewness obtained, is grafted loosely, thus the photocatalysis reducing prepared photocatalytic activity carbon fiber is lived
Property and service life.Therefore, the present invention provide that a kind of photocatalytic activity is high, the photocatalytic activity Carbon fibe of length in service life and
Preparation method, makes up the deficiencies in the prior art.
Summary of the invention
It is an object of the invention to solve above technical problem, it is provided that a kind of photocatalytic activity Carbon fibe and preparation side thereof
Method, by being grafted on activated carbon fiber by the nano titanium oxide with visible ray high catalytic activity, makes activated carbon fiber exist
While there is absorbability, also have visible light catalytic function concurrently.
For solve the problems referred to above, the present invention by the following technical solutions:
A kind of photocatalytic activity Carbon fibe, including following raw material in parts by weight:
Activated carbon fiber 80-120 weight portion；
Nano titanium oxide 0.1-10 weight portion；
Coupling agent 5-20 weight portion.
Further, described nano titanium oxide is pure nanometer anatase titania, and particle diameter is 5-10nm, has from dividing
Dissipate and single dispersibility, do not precipitate with the made solution of this nano titanium oxide is not stratified.
Further, described coupling agent is promoted by the adhesive force of the silane coupler of 15-20 weight portion, 8-10 weight portion
Agent, the solvent composition of 70-77 weight portion；
Further, described adhesion promoter is modified organic silicon compound, and described solvent is alcohols or lipid solvent, as
Methanol, ethanol, glycerol, isopropanol, ethylene glycol, ethyl acetate, butyl butyrate.
The preparation method of above-mentioned photocatalytic activity Carbon fibe, comprises the following steps:
(1) NACF is dried in microwave vacuum dryer to water content less than 0.3%；
(2) activated carbon fiber is processed with coupling agent atomizing spraying；
(3) step (2) is processed the activated carbon fiber obtained in microwave vacuum dryer, be dried to 5min thermal weight loss loss
Less than 0.5%；
(4) nano titanium oxide is configured to suspension, the activated carbon fiber that step (3) obtains is placed in suspension, soak
0.5-5h, then filters；
(5) step (4) processes the activated carbon fiber obtained to be dried in microwave vacuum dryer to water content less than 0.5%,
To photocatalytic activity Carbon fibe.
Further, the temperature being dried in described step (1) is 60-100 DEG C, and the temperature being dried in step (3) is 80-
200 DEG C, the temperature being dried in step (5) is 80-200 DEG C.
Further, in described step (4) suspension, the mass concentration of nano titanium oxide is 0.1-10%.
Further, in described step (5), the vacuum of microwave vacuum dryer is-0.06 ~-0.08MPa.
One photocatalytic activity Carbon fibe of the present invention and preparation method thereof, compared with prior art, its prominent feature and
Excellent effect is:
1. the present invention is by being grafted on the nano titanium oxide with visible ray high catalytic activity on activated carbon fiber, makes activity
Carbon fiber, while having absorbability, also has visible light catalytic function concurrently.
2. the present invention is grafted the pure nanometer anatase titania that particle diameter is 5-10nm, grafting jail on activated carbon fiber
Leaning on, difficult drop-off, service life is long, can permanently effective decomposing organic matter.
3. the preparation method of the present invention is simple, and preparation cost is low, and the photochemical catalyst activated carbon fibre property prepared is excellent, to rush
The application development entering decomposing organic matter is significant.
Detailed description of the invention
Below by way of detailed description of the invention, the present invention is described in further detail, but this should be interpreted as the present invention
Scope be only limitted to Examples below.In the case of without departing from said method thought of the present invention, according to ordinary skill
Various replacements that knowledge and customary means are made or change, should be included in the scope of the present invention.
Embodiment 1
A kind of photocatalytic activity Carbon fibe, raw material includes activated carbon fiber 80g, and particle diameter is the pure dichloride in anatase type dioxy of 5-10nm
Changing titanium 10g, coupling agent 5g, its preparation method is as follows:
(1) by NACF in microwave vacuum dryer, it is dried at 60 DEG C to water content less than 0.3%；
(2) processing activated carbon fiber with coupling agent atomizing spraying, described coupling agent is by the silane coupler of 15 weight portions, 8 weight
The modified organic silicon compound of part, the methanol composition of 70 weight portions；
(3) activated carbon fiber step (2) process obtained is in microwave vacuum dryer, is dried to 5min interior-heat at 80 DEG C
Weightless loss is less than 0.5%；
(4) pure nanometer anatase titania is configured to suspension, the activated carbon fiber that step (3) obtains is placed in suspension
In, soak 0.5-5h, then filter；In described suspension, the mass concentration of pure nanometer anatase titania is 10%；
(5) activated carbon fiber step (4) process obtained is in microwave vacuum dryer, is dried to water content little at 80 DEG C
In 0.5%, obtain photocatalytic activity Carbon fibe.
Embodiment 2
A kind of photocatalytic activity Carbon fibe, raw material includes activated carbon fiber 120g, and particle diameter is the pure dichloride in anatase type two of 5-10nm
Titanium oxide 10g, coupling agent 20g, its preparation method is as follows:
(1) by NACF in microwave vacuum dryer, it is dried at 100 DEG C to water content less than 0.3%；
(2) processing activated carbon fiber with coupling agent atomizing spraying, described coupling agent is by the silane coupler of 20 weight portions, 10 weight
The modified organic silicon compound of part, the ethyl acetate composition of 77 weight portions；
(3) activated carbon fiber step (2) process obtained is in microwave vacuum dryer, is dried to 5min at 200 DEG C
Thermal weight loss loss is less than 0.5%；
(4) pure nanometer anatase titania is configured to suspension, the activated carbon fiber that step (3) obtains is placed in suspension
In, soak 0.5-5h, then filter；In described suspension, the mass concentration of pure nanometer anatase titania is 0.1%；
(5) activated carbon fiber step (4) process obtained is in the microwave vacuum dryer that vacuum is-0.07MPa,
It is dried at 200 DEG C to water content less than 0.5%, obtains photocatalytic activity Carbon fibe.
Embodiment 3
A kind of photocatalytic activity Carbon fibe, raw material includes activated carbon fiber 100g, and particle diameter is the pure dichloride in anatase type two of 5-10nm
Titanium oxide 4.6g, coupling agent 15g, its preparation method is as follows:
(1) by NACF in microwave vacuum dryer, it is dried at 80 DEG C to water content less than 0.3%；
(2) processing activated carbon fiber with coupling agent atomizing spraying, described coupling agent is by the silane coupler of 18 weight portions, 9 weight
The modified organic silicon compound of part, the ethanol composition of 73 weight portions；
(3) activated carbon fiber step (2) process obtained is in microwave vacuum dryer, is dried to 5min at 140 DEG C
Thermal weight loss loss is less than 0.5%；
(4) pure nanometer anatase titania is configured to suspension, the activated carbon fiber that step (3) obtains is placed in suspension
In, soak 0.5-5h, then filter；In described suspension, the mass concentration of pure nanometer anatase titania is 3.6%, solvent
For water；
(5) activated carbon fiber step (4) process obtained is in the microwave vacuum dryer that vacuum is-0.06MPa,
It is dried at 160 DEG C to water content less than 0.5%, obtains photocatalytic activity Carbon fibe.
Embodiment 4
A kind of photocatalytic activity Carbon fibe, raw material includes activated carbon fiber 95g, and particle diameter is the pure dichloride in anatase type dioxy of 5-10nm
Changing titanium 5.6g, coupling agent 8g, its preparation method is as follows:
(1) by NACF in microwave vacuum dryer, it is dried at 80 DEG C to water content less than 0.3%；
(2) processing activated carbon fiber with coupling agent atomizing spraying, described coupling agent is by the silane coupler of 18 weight portions, 9 weight
The modified organic silicon compound of part, the isopropanol composition of 72 weight portions；
(3) activated carbon fiber step (2) process obtained is in microwave vacuum dryer, is dried to 5min at 150 DEG C
Thermal weight loss loss is less than 0.5%；
(4) pure nanometer anatase titania is configured to suspension, the activated carbon fiber that step (3) obtains is placed in suspension
In, soak 0.5-5h, then filter；In described suspension, the mass concentration of pure nanometer anatase titania is 7.2%, solvent
For water；
(5) activated carbon fiber step (4) process obtained is in the microwave vacuum dryer that vacuum is-0.08MPa,
It is dried at 150 DEG C to water content less than 0.5%, obtains photocatalytic activity Carbon fibe.
300mL aqueous solution instills the saturated methyl orange solution of 5ml, as contaminant water A, takes the work that 5g embodiment 3 obtains
Property carbon fiber, add in contaminant water A, under natural optical condition, do adsorption-decomposition function experiment, 6h completes decolouring；Continue after having decoloured
Constantly changing to new 300mL contaminant water A, after changing liquid 600 times, activated carbon fiber still can be under natural optical condition, in 8h
Complete methyl orange aqueous solution decolouring.
Take activated carbon fiber that 1000g embodiment 3 obtains under conditions of natural light, with 500m3/ h is passed through 10mg/m3's
Formaldehyde exhaust-gas 10 hours, after testing, in outlet exhaust, concentration of formaldehyde is 0.04mg/m3, go through 30 days and all there is above effect；
Take activated carbon fiber that 1000g embodiment 3 obtains under conditions of natural light, with 500m3/ h is passed through 10mg/m3Diformazan
Benzene exhaust air 10 hours, after testing, in outlet exhaust, xylene concentration is 0.1mg/m3, go through 30 days and all there is above effect.
To sum up, the activated carbon fiber of the present invention is long for service life, and photocatalytic activity is high, can permanently effective decomposing organic matter.
Claims (8)
1. a photocatalytic activity Carbon fibe, it is characterised in that include following raw material in parts by weight:
Activated carbon fiber 80-120 weight portion；
Nano titanium oxide 0.1-10 weight portion；
Coupling agent 5-20 weight portion.
A kind of photocatalytic activity Carbon fibe the most according to claim 1, it is characterised in that described nano titanium oxide is pure
Nanometer anatase titania, particle diameter is 5-10nm.
A kind of photocatalytic activity Carbon fibe the most according to claim 1, it is characterised in that described coupling agent is by 15-20 weight
The amount silane coupler of part, the adhesion promoter of 8-10 weight portion, the solvent composition of 70-77 weight portion.
A kind of photocatalytic activity Carbon fibe the most according to claim 3, it is characterised in that described adhesion promoter is for changing
Property organo-silicon compound, described solvent is alcohols or lipid solvent.
5. the preparation method of a photocatalytic activity Carbon fibe as claimed in claim 1, it is characterised in that comprise the following steps:
(1) NACF is dried in microwave vacuum dryer to water content less than 0.3%；
(2) activated carbon fiber is processed with coupling agent atomizing spraying；
(3) step (2) is processed the activated carbon fiber obtained in microwave vacuum dryer, be dried to 5min thermal weight loss loss
Less than 0.5%；
(4) nano titanium oxide is configured to suspension, the activated carbon fiber that step (3) obtains is placed in suspension, soak
0.5-5h, then filters；
(5) step (4) processes the activated carbon fiber obtained to be dried in microwave vacuum dryer to water content less than 0.5%,
To photocatalytic activity Carbon fibe.
The preparation method of a kind of photocatalytic activity Carbon fibe the most according to claim 5, it is characterised in that: described step
(1) temperature being dried in is 60-100 DEG C, and the temperature being dried in step (3) is 80-200 DEG C, and the temperature being dried in step (5) is
80-200℃。
The preparation method of a kind of photocatalytic activity Carbon fibe the most according to claim 5, it is characterised in that: described step
(4) in suspension, the mass concentration of nano titanium oxide is 0.1-10%.
The preparation method of a kind of photocatalytic activity Carbon fibe the most according to claim 5, it is characterised in that: described step
(5) in, the vacuum of microwave vacuum dryer is-0.06 ~-0.08MPa.
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| CN108607371A (en) * | 2018-06-15 | 2018-10-02 | 南京水杯子科技股份有限公司 | One kind antibacterial carbon membrane with multi-layer structure and preparation method thereof |
| CN110560024A (en) * | 2019-08-13 | 2019-12-13 | 久保清新材料科技(上海)有限公司 | Preparation method of photocatalytic coating for inorganic material |
| CN111073429A (en) * | 2019-12-17 | 2020-04-28 | 济南大学 | Self-layering polymer cement photocatalytic coating and preparation method and application thereof |
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| CN103866567A (en) * | 2012-12-11 | 2014-06-18 | 罗莱家纺股份有限公司 | Pilling resistant liquid, and method for improving pilling of woven cotton fabric |
| CN105268400A (en) * | 2015-09-30 | 2016-01-27 | 江苏苏通碳纤维有限公司 | Method for supporting nanometer titanium dioxide on active carbon fibers |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108607371A (en) * | 2018-06-15 | 2018-10-02 | 南京水杯子科技股份有限公司 | One kind antibacterial carbon membrane with multi-layer structure and preparation method thereof |
| CN110560024A (en) * | 2019-08-13 | 2019-12-13 | 久保清新材料科技(上海)有限公司 | Preparation method of photocatalytic coating for inorganic material |
| CN111073429A (en) * | 2019-12-17 | 2020-04-28 | 济南大学 | Self-layering polymer cement photocatalytic coating and preparation method and application thereof |
| CN111073429B (en) * | 2019-12-17 | 2022-03-25 | 济南大学 | Self-layering polymer cement photocatalytic coating and preparation method and application thereof |
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