CN108607509A - A kind of porous graphite alkenyl air purifying preparation - Google Patents
A kind of porous graphite alkenyl air purifying preparation Download PDFInfo
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- CN108607509A CN108607509A CN201810423105.6A CN201810423105A CN108607509A CN 108607509 A CN108607509 A CN 108607509A CN 201810423105 A CN201810423105 A CN 201810423105A CN 108607509 A CN108607509 A CN 108607509A
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- 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
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- 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
- B01D53/02—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 by adsorption, e.g. preparative gas chromatography
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- 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
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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
- 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
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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
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
- D01F9/12—Carbon filaments; Apparatus specially adapted for the manufacture thereof
- D01F9/14—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments
- D01F9/20—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products
- D01F9/21—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/46—Oxides or hydroxides of elements of Groups 4 or 14 of the Periodic System; Titanates; Zirconates; Stannates; Plumbates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20707—Titanium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/80—Type of catalytic reaction
- B01D2255/802—Photocatalytic
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/40—Fibres of carbon
Abstract
The present invention relates to automobile-used cleanser technical fields, more particularly to a kind of porous graphite alkenyl air purifying preparation, 3~12 parts by weight of organic titanate, 0.1~1 parts by weight of soluble metallic salt, 1~3 parts by weight of silane coupling agent, 5~8 parts by weight of graphene oxide, 3~8 parts by weight of oxometallate, 1~12 parts by weight of melamine, 1~5 parts by weight of foaming agent, 80~150 parts by weight of acrylic resin, 2~10 parts by weight of inorganic acid, 10~50 parts by weight of solvent are made by the substance of following parts by weight in the porous graphite alkenyl air purifying preparation.It can adsorb the pernicious gas in air to the porous graphite alkenyl air purifying preparation of the present invention, and can carry out situ catalytic to pernicious gas in absorption point, have high catalytic efficiency, the thorough advantage of the high feature of removal rate.
Description
Technical field
The present invention relates to air purifying preparation technical fields, and in particular to a kind of porous graphite alkenyl air purifying preparation.
Background technology
It is easy to cause acute poisoning, less serious case that can go out when VOCs (volatile organic compounds) excessive concentration in room air
Now headache, dizzy, cough, Nausea and vomiting are in dead drunk liquor-saturated shape；Severe one will appear hepatotoxicity or even go into a coma quickly, and some can also energy
It is in peril of one's life.It hangs up one's hat in the interior that VOCs pollutes, slow poisoning, damage liver and nervous system can be caused to cause entirely
Body inability, drowsiness, pruitus etc..Some can also can cause endocrine disorder, influence sexual function；Benzene and dimethylbenzene can also damage
System, so that cause leukaemia.Oneself is caused through being determined as carcinogenic by the World Health Organization and causing deformed material by VOCs at present
The health problem that indoor environmental pollution is brought has become the new hot spot that the public attractes attention.
With the development of the social economy, automobile has become common walking-replacing tool, but containing big in automobile indoor air
The reason of VOCs of amount, generation VOCs is mainly in interior plastic parts containing a large amount of volatilizable pollutant.At present frequently with
The method of car room irritative gas of going out is to open the window, and by noxious gas emission to air, and works as environment temperature mistake
When high or too low, this discharging modes are just restricted, or substance of the purchase with adsorptivity adsorbs pernicious gas, but this
The substance of class adsorptivity mostly can only adsorb indoor pollutant, not carry out degradation treatment to it, to will produce
Secondary pollution still has larger harm to human body.
Invention content
It is of the existing technology the purpose of the invention is to overcome the problems, such as, a kind of porous graphite alkenyl air purification is provided
Agent, it can adsorb interior formaldehyde, and carry out situ catalytic degradation in adsorption site, have catalytic degradation efficiency
Height, thorough feature of degrading.
To achieve the goals above, the present invention provides a kind of porous graphite alkenyl air purifying preparation, by following parts by weight
Substance is made：3~12 parts by weight of organic titanate, 0.1~1 parts by weight of soluble metallic salt, 1~3 parts by weight of silane coupling agent,
5~8 parts by weight of graphene oxide, 3~8 parts by weight of oxometallate, 1~12 parts by weight of melamine, 1~5 weight of foaming agent
Part, 80~150 parts by weight of acrylic resin, 2~10 parts by weight of inorganic acid, 10~50 parts by weight of solvent.
Through the above technical solutions, foaming agent is added in the present invention in acrylic resin first, and carry out electrostatic spinning and
Calcining, obtains porous carbon fiber, ultrasonic after then mixing porous carbon fiber with metal ion and organic titanate, can make to have
Organic titanate and metal ion enter in the hole of porous carbon fiber, then carry out closing thermal response, can be in the sky of porous carbon
Metal ion doped titanium dioxide (M-TiO is generated in gap2), it can have efficient catalytic in wider wave-length coverage
Energy；Graphene oxide is modified by oxometallate and melamine, enables to the porous modified stone of N doping
Black alkene；It is finally that the stirring of the porous modified graphene of modified porous carbon fiber and N doping is compound, so that modified graphene is coated on
On the one hand the surface of porous carbon fiber can reduce M-TiO in carbon fiber2Eduction rate, on the other hand, additionally it is possible to improve material
To the catalytic performance of pernicious gas.The present invention porous graphite alkenyl air purifying preparation it can adsorb harmful gas in air
Body, and situ catalytic can be carried out to pernicious gas in absorption point, have high catalytic efficiency, the high feature of removal rate thoroughly excellent
Point.
Specific implementation mode
The endpoint of disclosed range and any value are not limited to the accurate range or value herein, these ranges or
Value should be understood as comprising the value close to these ranges or value.For numberical range, between the endpoint value of each range, respectively
It can be combined with each other between the endpoint value of a range and individual point value, and individually between point value and obtain one or more
New numberical range, these numberical ranges should be considered as specific open herein.
The present invention provides a kind of porous graphite alkenyl air purifying preparation, is made of the substance of following parts by weight：Organic metatitanic acid
3~12 parts by weight of ester, 0.1~1 parts by weight of soluble metallic salt, 1~3 parts by weight of silane coupling agent, 5~8 weight of graphene oxide
Measure part, 3~8 parts by weight of oxometallate, 1~12 parts by weight of melamine, 1~5 parts by weight of foaming agent, acrylic resin 80~
150 parts by weight, 2~10 parts by weight of inorganic acid, 10~50 parts by weight of solvent.Under optimum condition, the porous graphite alkenyl air
Cleanser is made of the substance of following parts by weight：5~10 parts by weight of organic titanate, 0.3~0.8 weight of soluble metallic salt
Part, 1.2~1.8 parts by weight of silane coupling agent, 5~8 parts by weight of graphene oxide, 3~8 parts by weight of oxometallate, melamine
3~8 parts by weight of amine, 1~5 parts by weight of foaming agent, 100~120 parts by weight of acrylic resin, 3~6 parts by weight of inorganic acid, solvent
10~50 parts by weight.
The present invention also provides a kind of preparation methods of the porous graphite alkenyl air purifying preparation, include the following steps：
(1) foaming agent is added in acrylic resin to be uniformly mixed, then electrostatic spinning obtains polypropylene fibre, by poly- third
Alkene fiber calcines 2~4h at 300~450 DEG C, obtains porous carbon fiber；
(2) porous carbon fiber, soluble metallic salt, silane coupling agent and organic titanate are uniformly mixed in a solvent
Afterwards, mixed system is obtained, it is acidity that inorganic acid, which is then added, and adjusts the pH value of mixed system, then 15~30min of ultrasound, then
3~6h of sealing reaction, obtains modified porous carbon fiber at 80~120 DEG C；
(3) graphene oxide is uniformly mixed in aqueous solution with oxometallate, melamine is then added, then closed
Under the conditions of, 3~8h of sealing reaction, obtains mixed system, the mixed system is then reacted 1 under microwave at 80~150 DEG C
~15min obtains porous modified graphene oxide；
(4) it by modified porous carbon fiber and porous modified graphene oxide, dries, obtains porous after stirring 30~45min
Graphene-based air purifying preparation.
Foaming agent is added in the present invention in acrylic resin first, and carries out electrostatic spinning and calcining, obtains porous carbon fiber
It ties up, under optimum condition, the electrostatic spinning process is：30~50kV of supply voltage, spinning temperature are 25~35 DEG C, relative humidity
60~75%；Multi needle spinneret unit syringe needle 25~35cm of spacing, spinneret unit syringe needle quantity are 60~90；The foaming agent
Selected from least one of azo-compound, sulfonyl hydrazines compound, nitroso compound and carbonate.
It is ultrasonic after porous carbon fiber is mixed with metal ion and organic titanate, can make organic titanate and metal from
Son enters in the hole of porous carbon fiber, then carries out closing thermal response, can generate metal ion in the gap of porous carbon
Titania-doped (M-TiO2), it has widened sensibility of the titanium dioxide to visible light, can be in wider wave-length coverage
There is efficient catalytic performance.Under optimum condition, it is different that the organic titanate is selected from tetraethyl titanate, tetramethoxy titanate ester, metatitanic acid four
At least one of propyl ester, tetrabutyl titanate, tetra-n-butyl titanate.Under optimum condition, the soluble metallic salt is selected from can
Dissolubility transition metal salt, such as can be soluble manganese salt, soluble tungsten salt, soluble ferric iron salt, soluble copper salt, soluble gold
At least one of salt, soluble silver salt, soluble platinum salt, soluble rhodium salt or soluble palladium salt.
Under optimum condition, the silane coupling agent is selected from Silane coupling agent KH550, silane coupling agent KH560, silane coupled
Agent KH570, silane coupling agent KH580, silane coupling agent KH590, silane coupling agent KH792, silane coupling agent KBM602, silane
At least one of coupling agent A151 and silane coupling A 171.
Graphene oxide is modified by oxometallate and melamine, enables to the porous of N doping change
Property graphene；It is finally that the stirring of the porous modified graphene of modified porous carbon fiber and N doping is compound, make modified graphene packet
The surface of porous carbon fiber is overlayed on, M-TiO in carbon fiber on the one hand can be reduced2Eduction rate, on the other hand, additionally it is possible to improve
Material is to the catalytic performance of pernicious gas, and under optimum condition, the oxometallate is selected from sodium molybdate, sodium tungstate, potassium molybdate, aluminium
At least one of sour sodium, sodium zincate, potassium zincate, sodium titanate, potassium titanate, nickel acid sodium, nickel acid potassium.
It is further preferred that the solvent is selected from acetone, n,N-Dimethylformamide, N-Methyl pyrrolidone, N, N- bis-
Methylacetamide, N, N- diethylformamides, ethyl alcohol, acetic acid, ethyl acetate, chloroform, tetrahydrofuran, petroleum ether, dimethyl are sub-
At least one of sulfone and water.
The porous graphite alkenyl air purifying preparation of the present invention contains abundant pore structure, and specific surface area is high, can adsorb
Pernicious gas in air, and situ catalytic can be carried out to pernicious gas in absorption point, have high catalytic efficiency, removal rate high
The characteristics of thorough advantage.
The present invention will be described in detail by way of examples below.
Embodiment 1
A kind of porous graphite alkenyl air purifying preparation, is made of the substance of following parts by weight：8 parts by weight of tetraethyl titanate,
0.5 parts by weight of nickel acetate, silane coupling agent KH7921.5 parts by weight, 4 parts by weight of graphene oxide, 4 parts by weight of sodium tungstate, trimerization
4 parts by weight of cyanamide, N, 3 parts by weight of N '-dinitrosopentamethlyene tetramines, 105 parts by weight of acrylic resin, 4 weight of hydrochloric acid (2M)
Measure part, 50 parts by weight of ethyl alcohol.
The preparation method of the porous graphite alkenyl air purifying preparation, includes the following steps：
(1) N is added in acrylic resin, N '-dinitrosopentamethlyene tetramines are uniformly mixed, and then electrostatic spinning obtains
To polypropylene fibre, the electrostatic spinning process is：Supply voltage 50kV, spinning temperature are 35 DEG C, relative humidity 75%；Spininess
Head spinneret unit syringe needle spacing 35cm, spinneret unit syringe needle quantity are 90；
Polypropylene fibre is calcined into 3h at 350 DEG C, obtains porous carbon fiber；
(2) in ethanol after mixing by porous carbon fiber, nickel acetate, silane coupling agent KH792 and tetraethyl titanate,
Obtain mixed system, it is 5.8,15~30min of ultrasound that hydrochloric acid (2M), which is then added, and adjusts the pH value of mixed system, then 80~
3~6h of sealing reaction, obtains modified porous carbon fiber at 120 DEG C；
(3) graphene oxide is uniformly mixed in aqueous solution with sodium tungstate, melamine, then confined condition is then added
Under, sealing reaction 4h, obtains mixed system, the mixed system is then reacted 10min under microwave, microwave is anti-at 120 DEG C
The power answered is 500W, and frequency 1000KHZ obtains porous modified graphene oxide；
(4) in ethanol after mixing by modified porous carbon fiber and porous modified graphene oxide, stirring 30~
It is dried after 45min, obtains porous graphite alkenyl air purifying preparation.
Embodiment 2
A kind of porous graphite alkenyl air purifying preparation, is made of the substance of following parts by weight：5 weight of tetraisopropyl titanate
Part, 0.8 parts by weight of magnesium nitrate, silane coupling agent KH5801.8 parts by weight, 6 parts by weight of graphene oxide, 3 parts by weight of sodium molybdate,
5 parts by weight of melamine, N, 2 parts by weight of N '-dinitrosopentamethlyene tetramines, 100 parts by weight of acrylic resin, hydrochloric acid (3M)
3 parts by weight, 45 parts by weight of water.
(1) N is added in acrylic resin, N '-dinitrosopentamethlyene tetramines are uniformly mixed, and then electrostatic spinning obtains
To polypropylene fibre, the electrostatic spinning process is：Supply voltage 50kV, spinning temperature are 35 DEG C, relative humidity 75%；Spininess
Head spinneret unit syringe needle spacing 35cm, spinneret unit syringe needle quantity are 90；
Polypropylene fibre is calcined into 2.5h at 400 DEG C, obtains porous carbon fiber；
(2) in water after mixing by porous carbon fiber, magnesium nitrate, silane coupling agent KH580 and tetraisopropyl titanate,
Mixed system is obtained, it is 5.3 that hydrochloric acid (3M), which is then added, and adjusts the pH value of mixed system, 15~30min of ultrasound, then 100
Sealing reaction 4h, obtains modified porous carbon fiber at DEG C；
(3) graphene oxide is uniformly mixed in aqueous solution with sodium molybdate, melamine, then confined condition is then added
Under, sealing reaction 5h, obtains mixed system, the mixed system is then reacted 5min, microwave reaction under microwave at 100 DEG C
Power be 600W, frequency 800KHZ obtains porous modified graphene oxide；
(4) in a solvent after mixing by modified porous carbon fiber and porous modified graphene oxide, stirring 30~
It is dried after 45min, obtains porous graphite alkenyl air purifying preparation.
Embodiment 3
A kind of porous graphite alkenyl air purifying preparation, is made of the substance of following parts by weight：10 parts by weight of tetramethoxy titanate ester,
0.3 parts by weight of nitrate, 1.2 parts by weight of Silane coupling agent KH550,6 parts by weight of graphene oxide, 5 parts by weight of sodium molybdate, trimerization
7 parts by weight of cyanamide, 3 parts by weight of 4,4- oxobenzenesulfonyl hydrazide, 120 parts by weight of acrylic resin, 6 parts by weight of sulfuric acid (2M), second
40 parts by weight of alcohol.
(1) 4,4- oxobenzenesulfonyl hydrazide is added in acrylic resin to be uniformly mixed, then electrostatic spinning obtains poly- third
Alkene fiber, the electrostatic spinning process are：Supply voltage 50kV, spinning temperature are 35 DEG C, relative humidity 75%；Multi needle spinneret
Unit syringe needle spacing 35cm, spinneret unit syringe needle quantity are 90；
Polypropylene fibre is calcined into 2.5h at 350 DEG C, obtains porous carbon fiber；
(2) in ethanol after mixing by porous carbon fiber, silver nitrate, Silane coupling agent KH550 and tetramethoxy titanate ester,
Mixed system is obtained, it is 6 that sulfuric acid (2M), which is then added, and adjusts the pH value of mixed system, 15~30min of ultrasound, then at 120 DEG C
3h is reacted in lower sealing, obtains modified porous carbon fiber；
(3) graphene oxide is uniformly mixed in aqueous solution with sodium molybdate, melamine, then confined condition is then added
Under, sealing reaction 5h, obtains mixed system, the mixed system is then reacted 12min under microwave, microwave is anti-at 120 DEG C
The power answered is 500W, and frequency 1000KHZ obtains porous modified graphene oxide；
(4) in a solvent after mixing by modified porous carbon fiber and porous modified graphene oxide, stirring 30~
It is dried after 45min, obtains porous graphite alkenyl air purifying preparation.
Embodiment 4
A kind of porous graphite alkenyl air purifying preparation, is made of the substance of following parts by weight：3 parts by weight of tetramethoxy titanate ester,
1 parts by weight of silver nitrate, silane coupling agent KH5903 parts by weight, 5 parts by weight of graphene oxide, 6 parts by weight of sodium molybdate, melamine
12 parts by weight, 5 parts by weight of sodium carbonate, 80 parts by weight of acrylic resin, 10 parts by weight of inorganic acid, 10 parts by weight of hydrochloric acid (2M), water
10 parts by weight.
(1) sodium carbonate is added in acrylic resin to be uniformly mixed, then electrostatic spinning obtains polypropylene fibre, described quiet
Electrospinning process is：Supply voltage 30kV, spinning temperature are 25 DEG C, relative humidity 60%；Multi needle spinneret unit syringe needle spacing
25cm, spinneret unit syringe needle quantity are 60；
Polypropylene fibre is calcined into 4h at 450 DEG C, obtains porous carbon fiber；
(2) in water after mixing by porous carbon fiber, silver nitrate, silane coupling agent KH590 and tetramethoxy titanate ester, it obtains
To mixed system, it is 4.5 that hydrochloric acid (2M), which is then added, and adjusts the pH value of mixed system, and then the sealing reaction 6h at 80 DEG C, obtains
To modified porous carbon fiber；
(3) graphene oxide is uniformly mixed in aqueous solution with sodium molybdate, melamine, then confined condition is then added
Under, sealing reaction 3h, obtains mixed system, the mixed system is then reacted 1min, microwave reaction under microwave at 150 DEG C
Power be 800W, frequency 1200KHZ obtains porous modified graphene oxide；
(4) in a solvent after mixing by modified porous carbon fiber and porous modified graphene oxide, stirring 30~
It is dried after 45min, obtains porous graphite alkenyl air purifying preparation.
Embodiment 5
A kind of porous graphite alkenyl air purifying preparation, is made of the substance of following parts by weight：12 weight of tetra-n-butyl titanate
Part, silane coupling agent KH5901 parts by weight, 8 parts by weight of graphene oxide, 8 parts by weight of sodium titanate, 1 parts by weight of melamine, carbon
1 parts by weight of sour sodium, 150 parts by weight of acrylic resin, 30 parts by weight of acetone.
(1) sodium carbonate is added in acrylic resin to be uniformly mixed, then electrostatic spinning obtains polypropylene fibre, described quiet
Electrospinning process is：Supply voltage 30kV, spinning temperature are 25 DEG C, relative humidity 60%；Multi needle spinneret unit syringe needle spacing
25cm, spinneret unit syringe needle quantity are 60；
Polypropylene fibre is calcined into 2h at 300 DEG C, obtains porous carbon fiber；
(2) in acetone after mixing by porous carbon fiber, silane coupling agent KH590 and tetra-n-butyl titanate, it obtains
Mixed system, 15~30min of ultrasound, then the sealing reaction 3h at 100 DEG C, obtains modified porous carbon fiber；
(3) graphene oxide is uniformly mixed in aqueous solution with sodium titanate, melamine, then confined condition is then added
Under, sealing reaction 8h, obtains mixed system, the mixed system is then reacted 15min, microwave reaction under microwave at 80 DEG C
Power be 300W, frequency 800KHZ obtains porous modified graphene oxide；
(4) in a solvent after mixing by modified porous carbon fiber and porous modified graphene oxide, stirring 30~
It is dried after 45min, obtains porous graphite alkenyl air purifying preparation.
Comparative example 1
A kind of porous graphite alkenyl air purifying preparation, is made of the substance of following parts by weight：8 parts by weight of tetraethyl titanate,
0.5 parts by weight of nickel acetate, silane coupling agent KH7921.5 parts by weight, 4 parts by weight of graphene oxide, 4 parts by weight of sodium tungstate, trimerization
4 parts by weight of cyanamide, 105 parts by weight of acrylic resin, 4 parts by weight of hydrochloric acid (2M), 50 parts by weight of ethyl alcohol.
The preparation method of the porous graphite alkenyl air purifying preparation, includes the following steps：
(1) acrylic resin electrostatic spinning is obtained into polypropylene fibre, the electrostatic spinning process is：Supply voltage
50kV, spinning temperature are 35 DEG C, relative humidity 75%；Multi needle spinneret unit syringe needle spacing 35cm, spinneret unit syringe needle quantity
It is 90；
Polypropylene fibre is calcined into 3h at 350 DEG C, obtains porous carbon fiber；
(2) in ethanol after mixing by porous carbon fiber, nickel acetate, silane coupling agent KH792 and tetraethyl titanate,
Obtain mixed system, it is 5.8,15~30min of ultrasound that hydrochloric acid (2M), which is then added, and adjusts the pH value of mixed system, then 80~
3~6h of sealing reaction, obtains modified porous carbon fiber at 120 DEG C；
(3) graphene oxide is uniformly mixed in aqueous solution with sodium tungstate, melamine, then confined condition is then added
Under, sealing reaction 4h, obtains mixed system, the mixed system is then reacted 10min under microwave, microwave is anti-at 120 DEG C
The power answered is 500W, and frequency 1000KHZ obtains porous modified graphene oxide；
(4) in ethanol after mixing by modified porous carbon fiber and porous modified graphene oxide, stirring 30~
It is dried after 45min, obtains porous graphite alkenyl air purifying preparation.
Comparative example 2
A kind of porous graphite alkenyl air purifying preparation, is made of the substance of following parts by weight：8 parts by weight of tetraethyl titanate,
0.5 parts by weight of nickel acetate, silane coupling agent KH7921.5 parts by weight, 4 parts by weight of graphene oxide, N, N '-dinitrosos five times
3 parts by weight of tetramine, 105 parts by weight of acrylic resin, 4 parts by weight of hydrochloric acid (2M), 50 parts by weight of ethyl alcohol.
The preparation method of the porous graphite alkenyl air purifying preparation, includes the following steps：
(1) N is added in acrylic resin, N '-dinitrosopentamethlyene tetramines are uniformly mixed, and then electrostatic spinning obtains
To polypropylene fibre, the electrostatic spinning process is：Supply voltage 50kV, spinning temperature are 35 DEG C, relative humidity 75%；Spininess
Head spinneret unit syringe needle spacing 35cm, spinneret unit syringe needle quantity are 90；
Polypropylene fibre is calcined into 3h at 350 DEG C, obtains porous carbon fiber；
(2) in ethanol after mixing by porous carbon fiber, nickel acetate, silane coupling agent KH792 and tetraethyl titanate,
Obtain mixed system, it is 5.8,15~30min of ultrasound that hydrochloric acid (2M), which is then added, and adjusts the pH value of mixed system, then 80~
3~6h of sealing reaction, obtains modified porous carbon fiber at 120 DEG C；
(3) in ethanol after mixing by modified porous carbon fiber and graphene oxide, it is dried after stirring 30~45min
It is dry, obtain porous graphite alkenyl air purifying preparation.
Experiment test：
The purifying property of porous graphite alkenyl air purifying preparation PARA FORMALDEHYDE PRILLS(91,95) in 1-5 of the embodiment of the present invention and comparative example 1-2
Evaluation carries out in the straight type polytetrafluoroethylene (PTFE) pipe reactor of Φ 20mm, long 200mm, and porous graphite alkenyl air purifying preparation is added
In polytetrafluoroethylene (PTFE) pipe reactor, unstripped gas group becomes：Concentration of formaldehyde 300mg/m3, remaining is air.Reaction is in 25 DEG C of normal pressures
It is carried out under environment, reactor gas space velocity (GHSV) is 3000h-1, experimental result is as shown in table 1.
Table 1：The purifying property of adsorbent PARA FORMALDEHYDE PRILLS(91,95) in embodiment and comparative example
The preferred embodiment of the present invention has been described above in detail, and still, the present invention is not limited thereto.In the skill of the present invention
In art conception range, technical scheme of the present invention can be carried out a variety of simple variants, including each technical characteristic with it is any its
Its suitable method is combined, and it should also be regarded as the disclosure of the present invention for these simple variants and combination, belongs to
Protection scope of the present invention.
Claims (8)
1. a kind of porous graphite alkenyl air purifying preparation, which is characterized in that be made of the substance of following parts by weight：Organic titanate
3~12 parts by weight, 0.1~1 parts by weight of soluble metallic salt, 1~3 parts by weight of silane coupling agent, 5~8 weight of graphene oxide
Part, 3~8 parts by weight of oxometallate, 1~12 parts by weight of melamine, 1~5 parts by weight of foaming agent, acrylic resin 80~
150 parts by weight, 2~10 parts by weight of inorganic acid, 10~50 parts by weight of solvent.
2. porous graphite alkenyl air purifying preparation according to claim 1, which is characterized in that by the substance of following parts by weight
It is made：5~10 parts by weight of organic titanate, 0.3~0.8 parts by weight of soluble metallic salt, 1.2~1.8 weight of silane coupling agent
Part, 5~8 parts by weight of graphene oxide, 3~8 parts by weight of oxometallate, 3~8 parts by weight of melamine, 1~5 weight of foaming agent
Measure part, 100~120 parts by weight of acrylic resin, 3~6 parts by weight of inorganic acid, 10~50 parts by weight of solvent.
3. porous graphite alkenyl air purifying preparation according to claim 1, which is characterized in that the foaming agent is selected from azo
At least one of compound, sulfonyl hydrazines compound, nitroso compound and carbonate.
4. porous graphite alkenyl air purifying preparation according to claim 1, which is characterized in that the organic titanate is selected from
At least one of tetraethyl titanate, tetramethoxy titanate ester, tetraisopropyl titanate, tetrabutyl titanate, tetra-n-butyl titanate.
5. porous graphite alkenyl air purifying preparation according to claim 1, which is characterized in that the soluble metallic salt choosing
From soluble manganese salt, soluble tungsten salt, soluble ferric iron salt, soluble copper salt, soluble gold salt, soluble silver salt, soluble platinum
At least one of salt, soluble rhodium salt or soluble palladium salt.
6. porous graphite alkenyl air purifying preparation according to claim 1, which is characterized in that the silane coupling agent is selected from
Silane coupling agent KH550, silane coupling agent KH560, silane coupling agent KH570, silane coupling agent KH580, silane coupling agent
In KH590, silane coupling agent KH792, silane coupling agent KBM602, silane coupling A 151 and silane coupling A 171 at least
It is a kind of.
7. porous graphite alkenyl air purifying preparation according to claim 1, which is characterized in that the oxometallate is selected from
In sodium molybdate, sodium tungstate, potassium molybdate, sodium aluminate, sodium zincate, potassium zincate, sodium titanate, potassium titanate, nickel acid sodium, nickel acid potassium at least
It is a kind of.
8. porous graphite alkenyl air purifying preparation according to claim 1, which is characterized in that the solvent be selected from acetone,
N,N-dimethylformamide, N-Methyl pyrrolidone, DMAC N,N' dimethyl acetamide, N, N- diethylformamides, ethyl alcohol, acetic acid,
At least one of ethyl acetate, chloroform, tetrahydrofuran, petroleum ether, dimethyl sulfoxide (DMSO) and water.
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