CN110424063A - A kind of preparation method of the chemical fibre in the atom level site of constant temperature catalyzing foul gas - Google Patents
A kind of preparation method of the chemical fibre in the atom level site of constant temperature catalyzing foul gas Download PDFInfo
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- CN110424063A CN110424063A CN201910787193.2A CN201910787193A CN110424063A CN 110424063 A CN110424063 A CN 110424063A CN 201910787193 A CN201910787193 A CN 201910787193A CN 110424063 A CN110424063 A CN 110424063A
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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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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/54—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polymers of unsaturated nitriles
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/90—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyamides
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/08—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyacrylonitrile as constituent
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/12—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyamide as constituent
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/16—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds as constituent
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Catalysts (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The present invention relates to a kind of preparation methods of the chemical fibre in the atom level site of constant temperature catalyzing foul gas；Spinning polymer is dissolved in organic solvent, and Pd/CeO is added2Catalyst, agitating and heating dissolve spinning polymer, obtain body fluid before electrostatic spinning；Body fluid before electrostatic spinning is placed in the syringe of electrospinning device, stainless steel spinning head acceleration voltage is 5~50kv, pushes syringe from the polymer collection that spinning head sprays on the aluminium foil coating collector of ground connection；Polymer is distributed in distilled water, 30~60min of ultrasound, then impregnates in the hot water under 50~90 DEG C of bath temperature, to leach spinning polymer；Drying in baking oven is placed it in, the chemical fibre of atom level active site is obtained.The present invention provides chemical fibre, can be used for the catalyst of constant temperature catalyzing degradation foul gas, under room temperature to hydrogen sulfide, sulfur dioxide, ammonia catalysis degradation modulus up to 95% or more.
Description
Technical field
The invention belongs to catalysis technical fields and foul gas to administer field, be related to a kind of original of constant temperature catalyzing foul gas
The preparation method of the chemical fibre in sub- grade site.
Background technique
According to the definition of GB14554-93 " emission standard for odor pollutants ", foul gas is that all stimulation olfactory organs draw
Play the gaseous matter of people's unhappiness and damage living environment.It can be divided into the compound of sulfur-bearing, nitrogenous change according to chemical composition
Object, halogen and derivative, the organic matter of oxygen, hydro carbons etc. are closed, animal and plant body is broadly divided into and secretes pollution sources, domestic pollution source and industry
Pollution sources three classes source.Foul gas distribution is wide, it is big to influence, it other than the olfactory organ of stimulation people makes one to feel unhappiness,
Also have an adverse effect to the respiratory system of people, digestive system, endocrine system, nervous system and spirit, in the case of high concentration
It is even dead to will lead to acute poisoning.
The method of processing foul gas has combustion method, oxidizing process, absorption process, absorption method, neutralisation and bioanalysis etc. at present,
They have respective limitation, and if biological decomposition method is influenced by microbial activity, operating cost is higher.Active carbon adsorption
It is unobvious to the gas effectiveness that humidity is big, and it be easy to cause secondary environmental pollution.Patent CN109603484A discloses a kind of place
Manage the advanced oxidation system of organic exhaust gas and foul gas, but need to consume a large amount of water, electric power etc..Patent CN108371882A
A kind of refuse landfill stench processing system and its processing method are disclosed, needs to use heating generator and heat is carried out to foul smell
Solution, needs to handle at high temperature.Patent CN109045896A discloses a kind of optically catalytic TiO 2 foul gas processing unit
And its processing method, but without foul gas of almost degrading.Nanofiber filter can be prepared by electrostatic spinning technique
Material, can be used for disposable breathing mask, air-conditioning filter net and air purifier etc., and fiber has biggish specific surface area, can inhale
Pernicious gas in attached air.Patent CN108993167 A discloses a kind of preparation of composite antibacterial Electrospun nano-fibers film
And application, it is used for mask antibacterial air-filtering material, but the foul gas in the air that cannot degrade.
Patent CN109119649A disclose a kind of monatomic catalyst of cobalt that cobalt atom is anchored on carbon nano-fiber and
Preparation method and application；It is to prepare monatomic catalyst by electrostatic spinning technique, is forged using electrostatic spinning techinque and high temperature
Burning the monatomic catalyst of cobalt being prepared has many advantages, such as that diameter is small, aperture is small, porosity is high, fiber homogeneity is good, can answer
For fuel cell, metal-air battery.But about the chemical fibre constant temperature catalyzing degradation foul gas with atom level site
The report of aspect and application are not yet.
Summary of the invention
The purpose of the present invention is to overcome the disadvantages of the prior art, and it is fine to provide a kind of chemistry with atom level active site
Dimension.Catalytic degradation atmosphere pollution monatomic for room temperature, monatomic active site are got well than the catalytic activity of nanocluster, institute
With we study be atom level active site.The chemical fibre of this method preparation has atom level discrete sites, catalytic effect
It is good, it can be applied to air conditioner filter screen, wallpaper etc., new thinking and method can be provided for the degradation of foul gas.
The palladium that the patent of Publication No. CN108993134A proposes a kind of low-temperature microwave enhanced oxidation cerium load is monatomic
The method of catalyst degradation esters VOCs.The solution for the oxidation-containing cerium made first, by palladium chloride or tetrachloro-palladium potassium chlorate and hydroboration
The solution of oxidation-containing cerium is added in sodium together, and monatomic catalyst Pd/CeO is made in obtained precipitated product is dry, calcining2.I
Utilize catalyst Pd/CeO2, monatomic catalyst is made by electrostatic spinning technique and fiber is combined together degradation effluvium
Body.
The technical solution adopted by the invention is as follows:
A kind of preparation method of the chemical fibre in the atom level site of constant temperature catalyzing foul gas, comprising the following steps:
(1) body fluid before electrostatic spinning is prepared:
Spinning polymer is dissolved in organic solvent, and Pd/CeO is added2Catalyst, the agitating and heating at 60~100 DEG C
50~70min dissolves spinning polymer, forms the solution that mass fraction is 10~20%, is cooled to room temperature, obtains Static Spinning
Body fluid before silk；
(2) chemical fibre of palladium atom level active site is synthesized:
Body fluid before electrostatic spinning is placed in the syringe of electrospinning device, stainless steel spinning head acceleration voltage be 5~
50kv is 20%~60% in relative humidity, and environment temperature is the polymerization that promotion syringe is sprayed from spinning head at 10~30 DEG C
Object is collected on the aluminium foil coating collector of ground connection；Polymer is distributed in distilled water, under 50~90 DEG C of bath temperature
Then 30~60min of ultrasound impregnates 24~48h, in 50~90 DEG C of hot water to leach spinning polymer；Place it in baking oven
Middle drying obtains the chemical fibre of atom level active site.
The mass ratio of catalyst and spinning polymer is 1:5~20 in the step 1).
The feed rate of electrostatic spinning is 0.1~2ml/h in the step 2).
Syringe is 10~60ml polypropylene syringe in the step 2).
The distance between collector and syringe needle are 10~25cm in the step 2).
Drying condition is placed in 80~120 DEG C of baking ovens dry 20~30h in the step 2).
Spinning polymer in the step (1) is polyurethanes (PU), polyamide (PA), polyacrylonitrile (PAN)
One or both of Deng.
Organic solvent in the step (1) is dimethyl sulfoxide (DMSO), dimethylformamide (DMF), dimethyl second
The one or two of amide (DMA).
The chemical fibre of the atom level active site is the catalyst that can be used for constant temperature catalyzing degradation foul gas, excellent
Selection of land, under room temperature to hydrogen sulfide, sulfur dioxide, ammonia catalysis degradation modulus up to 95% or more.
Chemical fibre of the invention can be used for the processing foul gas such as air conditioner filter screen, wallpaper.
Compared with prior art, the invention has the following advantages:
1. being not less than by the chemical fibre specific surface area with atom level active site prepared by electrostatic spinning technique
700m2/ g, can largely contact and foul gas of degrading.
2. chemical fibre has atom level active site, atom utilization is high, and degradation effect is 95% or more.
3. chemical fibre may be used as air conditioner filter screen, wallpaper, Portable safety is at low cost, and stability is good, and validity period is 1~2
Year.
Specific embodiment
Below in conjunction with case study on implementation of the present invention, the technical solution in case study on implementation of the present invention is carried out clearly and completely
Description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
A kind of preparation method of the chemical fibre in the atom level site of constant temperature catalyzing foul gas, comprising the following steps:
(1) body fluid before electrostatic spinning is prepared:
Spinning polymer is dissolved in organic solvent, and Pd/CeO is added2Catalyst, the agitating and heating at 60~100 DEG C
50~70min dissolves spinning polymer, forms the solution that mass fraction is 10~20%, is cooled to room temperature, obtains Static Spinning
Body fluid before silk, the mass ratio of catalyst and spinning polymer is 1:5~20 in the solution；
(2) chemical fibre of palladium atom level active site is synthesized:
Body fluid before electrostatic spinning is placed in the syringe of electrospinning device, the feed rate of electrostatic spinning is 0.1~
2ml/h, stainless steel spinning head acceleration voltage are 5~50kv, are 20%~60% in relative humidity, environment temperature is 10~30 DEG C
Under, push 10~60ml polypropylene syringe from the polymer collection that spinning head sprays on the aluminium foil coating collector of ground connection,
The distance between collector and syringe needle are 10~25cm；Polymer is distributed in distilled water, in 50~90 DEG C of bath temperature
Then lower ultrasonic 30~60min impregnates 24~48h, in 50~90 DEG C of hot water to leach spinning polymer；Place it in 80
Dry 20~30h, obtains the chemical fibre of atom level active site in~120 DEG C of baking ovens.
Spinning polymer in the step (1) is polyurethanes (PU), polyamide (PA), polyacrylonitrile (PAN)
One or both of Deng.
Organic solvent in the step (1) is dimethyl sulfoxide (DMSO), dimethylformamide (DMF), dimethyl second
The one or two of amide (DMA).
The chemical fibre of the atom level active site is the catalyst that can be used for constant temperature catalyzing degradation foul gas, excellent
Selection of land, under room temperature to hydrogen sulfide, sulfur dioxide, ammonia catalysis degradation modulus up to 95% or more.
Chemical fibre of the invention can be used for the processing foul gas such as air conditioner filter screen, wallpaper.
Embodiment 1
(1) body fluid before electrostatic spinning is prepared:
Polyacrylonitrile is dissolved in dimethyl sulfoxide, and Pd/CeO is added2Catalyst, agitating and heating 50min makes at 60 DEG C
Polyacrylonitrile dissolution forms the solution that mass fraction is 10%, is cooled to room temperature, obtains body fluid before electrostatic spinning, the solution
The mass ratio of middle catalyst and polyacrylonitrile is 1:5.
(2) chemical fibre of palladium atom level active site is synthesized:
Body fluid before electrostatic spinning is placed in the syringe of electrospinning device, the feed rate of electrostatic spinning is 0.1ml/
H, stainless steel spinning head acceleration voltage are 5kv, are 20% in relative humidity, and environment temperature is to push 10ml polypropylene at 10 DEG C
Syringe from the polymer collection that spinning head sprays on the aluminium foil coating collector of ground connection, the distance between collector and syringe needle
For 10cm；Polymer is distributed in distilled water, the ultrasound 30min under 50 DEG C of bath temperature, then in 50 DEG C of hot water
It impregnates for 24 hours, to leach spinning polymer.Dry 20h in 80 DEG C of baking ovens is placed it in, the chemistry for obtaining atom level active site is fine
Dimension.
The test of catalytic performance carries out in plasma reactor, voltage 25KV, hydrogen sulfide, ammonia, sulfur dioxide
Content is detected by gas chromatograph.Foul gas initial concentration is 100mg/m3, air speed 2000h-1, use gas chromatograph
Detect the concentration of reactants and products.The chemical fibre catalytic performance of palladium atom level active site the results are shown in Table 1.
Embodiment 2
(1) body fluid before electrostatic spinning is prepared:
Polyurethanes, polyamide are dissolved in dimethylformamide, and Pd/CeO is added2Catalyst stirs at 80 DEG C
Mixing heating 60min makes polyurethanes, polyamide dissolution, forms the solution that mass fraction is 15%, is cooled to room temperature, obtains
Body fluid before electrostatic spinning, the mass ratio of catalyst and polyurethanes, polyamide is 1:5:5 in the solution.
(2) chemical fibre of palladium atom level active site is synthesized:
Body fluid before electrostatic spinning is placed in the syringe of electrospinning device, the feed rate of electrostatic spinning is 0.5ml/
H, stainless steel spinning head acceleration voltage are 20kv, are 40% in relative humidity, and environment temperature is to push 20ml polypropylene at 20 DEG C
Syringe from the polymer collection that spinning head sprays on the aluminium foil coating collector of ground connection, the distance between collector and syringe needle
For 15cm；Polymer is distributed in distilled water, the ultrasound 50min under 60 DEG C of bath temperature, then in 60 DEG C of hot water
30h is impregnated, to leach spinning polymer.Dry 25h in 100 DEG C of baking ovens is placed it in, the chemistry of atom level active site is obtained
Fiber.
The test of catalytic performance carries out in plasma reactor, voltage 25KV, hydrogen sulfide, ammonia, sulfur dioxide
Content is detected by gas chromatograph.Foul gas initial concentration is 100mg/m3, air speed 2000h-1, use gas chromatograph
Detect the concentration of reactants and products.The chemical fibre catalytic performance of palladium atom level active site the results are shown in Table 1.
Embodiment 3
(1) body fluid before electrostatic spinning is prepared:
Polyamide is dissolved in dimethylformamide and dimethyl acetamide, and Pd/CeO is added2Catalyst stirs at 90 DEG C
Mixing heating 60min dissolves polyamide, forms the solution that mass fraction is 15%, is cooled to room temperature, obtains electrostatic spinning precursor
Liquid, dimethylformamide and the mass ratio of dimethyl acetamide are 1:1 in the solution, and the mass ratio of catalyst and polyamide is
1:15。
(2) chemical fibre of palladium atom level active site is synthesized:
Body fluid before electrostatic spinning is placed in the syringe of electrospinning device, the feed rate of electrostatic spinning is 1ml/h,
Stainless steel spinning head acceleration voltage is 25kv, is 50% in relative humidity, and environment temperature is to push 40ml polypropylene note at 25 DEG C
From the polymer collection that spinning head sprays on the aluminium foil coating collector of ground connection, the distance between collector and syringe needle are emitter
20cm；Polymer is distributed in distilled water, ultrasound 50min, then soaks in 80 DEG C of hot water under 80 DEG C of bath temperature
40h is steeped, to leach spinning polymer.Dry 25h in 100 DEG C of baking ovens is placed it in, the chemistry for obtaining atom level active site is fine
Dimension.
The test of catalytic performance carries out in plasma reactor, voltage 25KV, hydrogen sulfide, ammonia, sulfur dioxide
Content is detected by gas chromatograph.Foul gas initial concentration is 100mg/m3, air speed 2000h-1, use gas chromatograph
Detect the concentration of reactants and products.The chemical fibre catalytic performance of palladium atom level active site the results are shown in Table 1.
Embodiment 4
(1) body fluid before electrostatic spinning is prepared:
Polyamide, polyacrylonitrile are dissolved in dimethyl acetamide, and Pd/CeO is added2Catalyst, stirring adds at 100 DEG C
Hot 70min makes polyamide, polyacrylonitrile dissolution, forms the solution that mass fraction is 20%, is cooled to room temperature, obtains electrostatic spinning
Preceding body fluid, the mass ratio of catalyst and polyamide, polyacrylonitrile is 1:10:10 in the solution.
(2) chemical fibre of palladium atom level active site is synthesized:
Body fluid before electrostatic spinning is placed in the syringe of electrospinning device, the feed rate of electrostatic spinning is 2ml/h,
Stainless steel spinning head acceleration voltage is 50kv, is 60% in relative humidity, and environment temperature is to push 60ml polypropylene note at 30 DEG C
From the polymer collection that spinning head sprays on the aluminium foil coating collector of ground connection, the distance between collector and syringe needle are emitter
25cm；Polymer is distributed in distilled water, ultrasound 60min, then soaks in 90 DEG C of hot water under 90 DEG C of bath temperature
48h is steeped, to leach spinning polymer.Dry 30h in 120 DEG C of baking ovens is placed it in, the chemistry for obtaining atom level active site is fine
Dimension.
The test of catalytic performance carries out in plasma reactor, voltage 25KV, hydrogen sulfide, ammonia, sulfur dioxide
Content is detected by gas chromatograph.Foul gas initial concentration is 100mg/m3, air speed 2000h-1, use gas chromatograph
Detect the concentration of reactants and products.The chemical fibre catalytic performance of palladium atom level active site the results are shown in Table 1.
1 catalytic performance table of table
The method of cost accounting of the invention: the cost of such as air conditioner filter screen mainly includes chemical fibre, precious metal palladium and chlorine
Change the price of cerium, it is assumed that strainer length and width a height of 15cm*10cm*0.1cm, volume 15cm3, chemical fibre density is 0.2g/cm3,
That fiber quality used is 3g, it is assumed that load capacity of the palladium on fiber is 0.2%, then the palladium quality needed is 0.006g,
The price of palladium chloride is in 350 pieces/g or so, and wherein palladium content is 59.5%, then needing palladium chloride 0.01g, cost is 3.5 yuan,
Chemical fibre price is 10 yuan 1 jin, 0.06 yuan of the fiber cost needed, and cerium chloride is 1g/ member, the chlorine of 0.6g needed or so
Changing cerium cost is 0.6 yuan, and adding up cost is 4.16 yuan, and thus cost of the invention is low, sees cost not higher than 10 pieces at present
Money.
Claims (8)
1. a kind of preparation method of the chemical fibre in the atom level site of constant temperature catalyzing foul gas, comprising the following steps:
(1) body fluid before electrostatic spinning is prepared:
Spinning polymer is dissolved in organic solvent, and Pd/CeO is added2Catalyst, at 60~100 DEG C agitating and heating 50~
70min dissolves spinning polymer, forms the solution that mass fraction is 10~20%, is cooled to room temperature, before obtaining electrostatic spinning
Body fluid；
(2) chemical fibre of palladium atom level active site is synthesized:
Body fluid before electrostatic spinning is placed in the syringe of electrospinning device, stainless steel spinning head acceleration voltage is 5~50kv,
It is 20%~60% in relative humidity, environment temperature is at 10~30 DEG C, and the polymer for pushing syringe to spray from spinning head is received
Collection is on the aluminium foil coating collector of ground connection；Polymer is distributed in distilled water, it is ultrasonic under 50~90 DEG C of bath temperature
Then 30~60min impregnates 24~48h, in 50~90 DEG C of hot water to leach spinning polymer；It places it in baking oven and does
It is dry, obtain the chemical fibre of atom level active site.
2. the method as described in claim 1, it is characterized in that the mass ratio of catalyst and spinning polymer is in the step 1)
1:5~20.
3. the method as described in claim 1, it is characterized in that the feed rate of electrostatic spinning is 0.1~2ml/ in the step 2)
h。
4. the method as described in claim 1, it is characterized in that syringe is 10~60ml polypropylene syringe in the step 2).
5. the method as described in claim 1, it is characterized in that in the step 2) the distance between collector and syringe needle be 10~
25cm。
6. the method as described in claim 1, it is characterized in that drying condition is placed in 80~120 DEG C of baking ovens in the step 2)
Dry 20~30h.
7. the method as described in claim 1, it is characterized in that spinning polymer is polyurethanes, polyamide or polyacrylonitrile
One or two.
8. the method as described in claim 1, it is characterized in that organic solvent is dimethyl sulfoxide, dimethylformamide or dimethyl
The one or two of acetamide.
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| CN201910787193.2A CN110424063B (en) | 2019-08-25 | 2019-08-25 | Preparation method of chemical fiber for catalyzing atomic-level sites of malodorous gas at normal temperature |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910787193.2A CN110424063B (en) | 2019-08-25 | 2019-08-25 | Preparation method of chemical fiber for catalyzing atomic-level sites of malodorous gas at normal temperature |
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| CN110424063A true CN110424063A (en) | 2019-11-08 |
| CN110424063B CN110424063B (en) | 2022-03-25 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1544731A (en) * | 2003-11-26 | 2004-11-10 | 北京理工大学 | Catalyst and process for preparing nano carbon fiber and three-dimensional ordered nano carbon fiber packed structure |
| US20140072700A1 (en) * | 2012-09-07 | 2014-03-13 | Volkswagen Group Of America | Methods for preparing carbon hybrid materials |
| CN104707604A (en) * | 2015-02-01 | 2015-06-17 | 北京化工大学 | Preparation method of metal or metal oxide particle-containing CeO2 fiber catalyst |
| CN108193500A (en) * | 2016-12-08 | 2018-06-22 | 中国科学院大连化学物理研究所 | Catalyst that composite nano fiber and composite nano fiber support and its preparation and application |
-
2019
- 2019-08-25 CN CN201910787193.2A patent/CN110424063B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1544731A (en) * | 2003-11-26 | 2004-11-10 | 北京理工大学 | Catalyst and process for preparing nano carbon fiber and three-dimensional ordered nano carbon fiber packed structure |
| US20140072700A1 (en) * | 2012-09-07 | 2014-03-13 | Volkswagen Group Of America | Methods for preparing carbon hybrid materials |
| CN104707604A (en) * | 2015-02-01 | 2015-06-17 | 北京化工大学 | Preparation method of metal or metal oxide particle-containing CeO2 fiber catalyst |
| CN108193500A (en) * | 2016-12-08 | 2018-06-22 | 中国科学院大连化学物理研究所 | Catalyst that composite nano fiber and composite nano fiber support and its preparation and application |
Non-Patent Citations (1)
| Title |
|---|
| 孟永德: "《无机非金属材料综合实验》", 31 December 2018, 暨南大学出版社 * |
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