CN108654360A - A kind of automobile-used cleanser of ira situ degradation VOCs - Google Patents
A kind of automobile-used cleanser of ira situ degradation VOCs Download PDFInfo
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- CN108654360A CN108654360A CN201810423135.7A CN201810423135A CN108654360A CN 108654360 A CN108654360 A CN 108654360A CN 201810423135 A CN201810423135 A CN 201810423135A CN 108654360 A CN108654360 A CN 108654360A
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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
- B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
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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
- B01D53/8678—Removing components of undefined structure
- B01D53/8687—Organic components
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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
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
Abstract
The present invention relates to automobile-used cleanser technical fields, and in particular to a kind of automobile-used cleanser of ira situ degradation VOCs, the automobile-used cleanser of the ira situ degradation VOCs are made of the substance of following parts by weight：5~15 parts by weight of kaolin, 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 diallyl dimethyl ammoniumchloride, 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.The automobile-used cleanser of the ira situ degradation VOCs of the present invention can adsorb interior formaldehyde, and carry out situ catalytic degradation in adsorption site, have catalytic degradation efficiency height, thorough feature of degrading.
Description
Technical field
The present invention relates to automobile-used cleanser technical fields, and in particular to a kind of automobile-used cleanser of ira situ degradation VOCs.
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 the automobile-used net of ira situ degradation VOCs 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 automobile-used cleanser of ira situ degradation VOCs, by following parts by weight
Substance be made：5~15 parts by weight of kaolin, 3~12 parts by weight of organic titanate, 3~4 parts by weight of silane coupling agent, oxidation
5~8 parts by weight of graphene, 1~5 parts by weight of foaming agent, 80~150 parts by weight of acrylic resin, 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 kaolin, metal ion and organic titanate,
Kaolin and organic titanate can be made to enter in the hole of porous carbon fiber, then carry out closing thermal response, obtain metal from
Titania-doped (the M-TiO of son2), it can have efficient catalytic performance in wider wave-length coverage, pass through M-TiO2To height
Ridge soil is further modified, and the modified kaolin with catalytic performance is generated in the hole of porous carbon fiber, i.e., modified porous
Carbon fiber finally reacts modified porous carbon fiber with diallyl dimethyl ammoniumchloride, and modified porous carbon fiber is made to carry
Positive charge, then the modified porous carbon fiber for waiting for positive charge is stirred to react with negatively charged graphite oxide, using graphite oxide
Alkene is further modified modified porous carbon fiber, improves the performance of its catalytic degradation VOCs.The ira situ degradation of the present invention
The automobile-used cleanser of VOCs contains abundant pore structure, and specific surface area is high, can adsorb indoor VOCs；And changing in hole
Property kaolin VOCs can be catalytically decomposed in adsorption site, have the characteristics that high catalytic efficiency, degradation it is thorough.
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 automobile-used cleanser of ira situ degradation VOCs, is made of the substance of following parts by weight：Kaolin 5
~15 parts by weight, 3~12 parts by weight of organic titanate, 0.1~1 parts by weight of soluble metallic salt, 1~3 weight of silane coupling agent
Part, is gathered at 5~8 parts by weight of graphene oxide, 3~8 parts by weight of diallyl dimethyl ammoniumchloride, 1~5 parts by weight of foaming agent
80~150 parts by weight of allyl resin, 2~10 parts by weight of inorganic acid, 10~50 parts by weight of solvent.Under optimum condition, the original position
The automobile-used cleanser of degradation VOCs, is made of the substance of following parts by weight：6~12 parts by weight of kaolin, organic titanate 5~10
Parts by weight, 0.3~0.8 parts by weight of soluble metallic salt, 1.2~1.8 parts by weight of silane coupling agent, 5~8 weight of graphene oxide
Part, 3~8 parts by weight of diallyl dimethyl ammoniumchloride, 1~5 parts by weight of foaming agent, 100~120 weight of acrylic resin
Part, 3~6 parts by weight of inorganic acid, 10~50 parts by weight of solvent.
The present invention also provides a kind of preparation methods of the automobile-used cleanser of the ira situ degradation VOCs, 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, kaolin, soluble metallic salt, silane coupling agent and organic titanate are mixed in a solvent
Close uniformly after, obtain mixed system, then be added inorganic acid adjust mixed system pH value be acidity, then ultrasound 15~
30min, then 3~6h of sealing reaction at 80~120 DEG C, obtains modified porous carbon fiber；
(3) by modified porous carbon fiber 15~30min of ultrasonic disperse in a solvent, diallyl dimethyl is then added
Ammonium chloride continues 30~45min of ultrasound, is subsequently added into graphene oxide, is dried after stirring 30~45min, obtains ira situ degradation
The automobile-used cleanser of VOCs.
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.
Contain abundant pore structure in kaolin, the VOCs of air can be adsorbed, in order to improve kaolinic specific surface
It is long-pending, further include modifying kaolin processing under optimum condition, in the present invention, the modifying kaolin treatment process is：It will be high
After the soil grinding uniformly of ridge, 3~6h is then calcined at 300~500 DEG C.It is further preferred that the kaolinic grain size is 200
~300 mesh.
It is ultrasonic after porous carbon fiber is mixed with kaolin, metal ion and organic titanate, kaolin can be made and had
Organic titanate enters in the hole of porous carbon fiber, then carries out closing thermal response, obtains metal ion doped titanium dioxide (M-
TiO2), it can have efficient catalytic performance in wider wave-length coverage, pass through M-TiO2Kaolin is further modified,
The modified kaolin with catalytic performance is generated in the hole of porous carbon fiber, i.e., modified porous carbon fiber.Under optimum condition,
The organic titanate is selected from tetraethyl titanate, tetramethoxy titanate ester, tetraisopropyl titanate, tetrabutyl titanate, four positive fourth of metatitanic acid
At least one of ester.
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.
The present invention is doped modification using metal ion to titanium dioxide, to widen titanium dioxide to visible light
Sensibility so that it can have an efficient catalytic performance in wider wave-length coverage, under optimum condition, the soluble metal
Salt is selected from soluble transition metal salt, for example, can be soluble manganese salt, soluble tungsten salt, soluble ferric iron salt, soluble copper salt,
At least one of soluble gold salt, soluble silver salt, soluble platinum salt, soluble rhodium salt or soluble palladium salt.
In the present invention, modified porous carbon fiber is reacted with diallyl dimethyl ammoniumchloride, makes modified porous carbon fiber
Dimension carries positive charge, then the modified porous carbon fiber for waiting for positive charge is stirred to react with negatively charged graphite oxide, using oxygen
Graphite alkene is further modified modified porous carbon fiber, improves the performance of its catalytic degradation VOCs.
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 automobile-used cleanser of the ira situ degradation VOCs of the present invention contains abundant pore structure, and specific surface area is high, can inhale
Attached indoor VOCs；And the modified kaolin in hole can be catalytically decomposed VOCs in adsorption site, have catalysis effect
The feature that rate is high, degradation is thorough.
The present invention will be described in detail by way of examples below.
Embodiment 1
A kind of automobile-used cleanser of ira situ degradation VOCs, is made of the substance of following parts by weight：8 parts by weight of kaolin, titanium
8 parts by weight of sour tetra-ethyl ester, 0.5 parts by weight of nickel acetate, silane coupling agent KH792
1.5 parts by weight, 4 parts by weight of graphene oxide, 4 parts by weight of diallyl dimethyl ammoniumchloride, N ,-two nitrous of N '
Five methine tetramine of base, 3 parts by weight, 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 automobile-used cleanser of the ira situ degradation VOCs, 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) by after kaolin grinding uniformly, 200 mesh sieve is crossed, then calcines 5h at 400 DEG C；
Porous carbon fiber, kaolin, nickel acetate, silane coupling agent KH792 and tetraethyl titanate are mixed in ethanol
After even, mixed system is obtained, hydrochloric acid (2M) is then added and adjusts the pH value of mixed system for 5.8,15~30min of ultrasound, then
3~6h of sealing reaction, obtains modified porous carbon fiber at 80~120 DEG C；
(3) by modified porous carbon fiber 15~30min of ultrasonic disperse in ethanol, diallyl dimethyl is then added
Ammonium chloride continues 30~45min of ultrasound, is subsequently added into graphene oxide, after stirring 30~45min, obtains ira situ degradation VOCs
Automobile-used cleanser.
Embodiment 2
A kind of automobile-used cleanser of ira situ degradation VOCs, is made of the substance of following parts by weight：12 parts by weight of kaolin, titanium
5 parts by weight of sour tetra-isopropyl, 0.8 parts by weight of iron chloride, silane coupling agent KH5801.8 parts by weight, 6 parts by weight of graphene oxide,
5 parts by weight of diallyl dimethyl ammoniumchloride, N, 2 parts by weight of N '-dinitrosopentamethlyene tetramines, acrylic resin 100
Parts by weight, 3 parts by weight of hydrochloric acid (3M), 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) by after kaolin grinding uniformly, 200 mesh sieve is crossed, then calcines 5h at 350 DEG C；
Porous carbon fiber, kaolin, iron chloride, silane coupling agent KH580 and tetraisopropyl titanate are mixed in water
After even, mixed system is obtained, hydrochloric acid (3M) is then added and adjusts the pH value of mixed system for 5.3,15~30min of ultrasound, then
Sealing reaction 4h, obtains modified porous carbon fiber at 100 DEG C；
(3) by modified porous carbon fiber 15~30min of ultrasonic disperse in water, diallyl dimethyl chlorine is then added
Change ammonium, continue 30~45min of ultrasound, be subsequently added into graphene oxide, after stirring 30~45min, obtains ira situ degradation VOCs's
Automobile-used cleanser.
Embodiment 3
A kind of automobile-used cleanser of ira situ degradation VOCs, is made of the substance of following parts by weight：6 parts by weight of kaolin, titanium
Sour four methyl esters, 10 parts by weight, 0.3 parts by weight of nitrate, 1.2 parts by weight of Silane coupling agent KH550,6 parts by weight of graphene oxide,
7 parts by weight of diallyl dimethyl ammoniumchloride, 3 parts by weight of 4,4- oxobenzenesulfonyl hydrazide, 120 parts by weight of acrylic resin,
Sulfuric acid (2M)
6 parts by weight, 40 parts by weight of ethyl 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) by after kaolin grinding uniformly, 200 mesh sieve is crossed, then calcines 4h at 400 DEG C；
Porous carbon fiber, kaolin, silver nitrate, Silane coupling agent KH550 and tetramethoxy titanate ester are mixed in ethanol
After even, mixed system is obtained, it is 6 that sulfuric acid (2M), which is then added, and adjusts the pH value of mixed system, then 15~30min of ultrasound exists
Sealing reaction 3h, obtains modified porous carbon fiber at 120 DEG C；
(3) by modified porous carbon fiber 15~30min of ultrasonic disperse in ethanol, diallyl dimethyl is then added
Ammonium chloride continues 30~45min of ultrasound, is subsequently added into graphene oxide, after stirring 30~45min, obtains ira situ degradation VOCs
Automobile-used cleanser.
Embodiment 4
A kind of automobile-used cleanser of ira situ degradation VOCs, is made of the substance of following parts by weight：15 parts by weight of kaolin, titanium
3 parts by weight of sour four methyl esters, 1 parts by weight of silver nitrate, silane coupling agent KH590
3 parts by weight, 5 parts by weight of graphene oxide, 8 parts by weight of diallyl dimethyl ammoniumchloride, 5 weight of sodium carbonate
Part, 80 parts by weight of acrylic resin, 10 parts by weight of inorganic acid, hydrochloric acid (2M)
10 parts by weight, 10 parts by weight of water.
(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) by after kaolin grinding uniformly, 200 mesh sieve is crossed, then calcines 3h at 500 DEG C；
Porous carbon fiber, kaolin, silver nitrate, silane coupling agent KH590 and tetramethoxy titanate ester are uniformly mixed in water
Afterwards, mixed system is obtained, it is 4.5 that hydrochloric acid (2M), which is then added, and adjusts the pH value of mixed system, and reaction is then sealed at 80 DEG C
6h obtains modified porous carbon fiber；
(3) by modified porous carbon fiber 15~30min of ultrasonic disperse in water, diallyl dimethyl chlorine is then added
Change ammonium, continue 30~45min of ultrasound, be subsequently added into graphene oxide, after stirring 30~45min, obtains ira situ degradation VOCs's
Automobile-used cleanser.
Embodiment 5
A kind of automobile-used cleanser of ira situ degradation VOCs, is made of the substance of following parts by weight：5 parts by weight of kaolin, titanium
12 parts by weight of sour four N-butyl, 0.1 parts by weight of manganese chloride, silane coupling agent
KH5901 parts by weight, 8 parts by weight of graphene oxide, 3 parts by weight of diallyl dimethyl ammoniumchloride, sodium carbonate 1
Parts by weight, 150 parts by weight of acrylic resin, 2 parts by weight of hydrochloric acid (2M), 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) by after kaolin grinding uniformly, 200 mesh sieve is crossed, then calcines 6h at 300 DEG C；
Porous carbon fiber, kaolin, manganese chloride, silane coupling agent KH590 and tetra-n-butyl titanate are mixed in acetone
After uniformly, mixed system is obtained, hydrochloric acid (2M) is then added and adjusts the pH value of mixed system for 6.3,15~30min of ultrasound, so
The sealing reaction 3h at 100 DEG C afterwards, obtains modified porous carbon fiber；
(3) by modified porous carbon fiber 15~30min of ultrasonic disperse in acetone, diallyl dimethyl is then added
Ammonium chloride continues 30~45min of ultrasound, is subsequently added into graphene oxide, after stirring 30~45min, obtains ira situ degradation VOCs
Automobile-used cleanser.
Comparative example 1
A kind of automobile-used cleanser of ira situ degradation VOCs, is made of the substance of following parts by weight：8 parts by weight of kaolin, titanium
8 parts by weight of sour tetra-ethyl ester, silane coupling agent KH7921.5 parts by weight, 4 parts by weight of graphene oxide, diallyl dimethyl chlorine
Change 4 parts by weight of ammonium, N, 3 parts by weight of N '-dinitrosopentamethlyene tetramines, 105 parts by weight of acrylic resin, 50 weight of ethyl alcohol
Part.
The preparation method of the automobile-used cleanser of the ira situ degradation VOCs, 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) by after kaolin grinding uniformly, 200 mesh sieve is crossed, then calcines 5h at 400 DEG C；
In ethanol after mixing by porous carbon fiber, kaolin, silane coupling agent KH792 and tetraethyl titanate, it obtains
To mixed system, 15~30min of ultrasound, then 3~6h of sealing reaction at 80~120 DEG C, obtains modified porous carbon fiber；
(3) by modified porous carbon fiber 15~30min of ultrasonic disperse in ethanol, diallyl dimethyl is then added
Ammonium chloride continues 30~45min of ultrasound, is subsequently added into graphene oxide, after stirring 30~45min, obtains ira situ degradation VOCs
Automobile-used cleanser.
Comparative example 2
A kind of automobile-used cleanser of ira situ degradation VOCs, is made of the substance of following parts by weight：8 parts by weight of kaolin, titanium
8 parts by weight of sour tetra-ethyl ester, 0.5 parts by weight of nickel acetate, silane coupling agent KH792
1.5 parts by weight, 4 parts by weight of diallyl dimethyl ammoniumchloride, N, 3 weight of N '-dinitrosopentamethlyene tetramines
Measure part, 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 automobile-used cleanser of the ira situ degradation VOCs, 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) by after kaolin grinding uniformly, 200 mesh sieve is crossed, then calcines 5h at 400 DEG C；
Porous carbon fiber, kaolin, nickel acetate, silane coupling agent KH792 and tetraethyl titanate are mixed in ethanol
After even, mixed system is obtained, hydrochloric acid (2M) is then added and adjusts the pH value of mixed system for 5.8,15~30min of ultrasound, then
3~6h of sealing reaction, obtains modified porous carbon fiber at 80~120 DEG C.
Experiment test：
Purification of the automobile-used cleanser of ira situ degradation VOCs in 1-5 of the embodiment of the present invention and comparative example 1-2 to VOCs
It can evaluate and be carried out in the straight type polytetrafluoroethylene (PTFE) pipe reactor of Φ 20mm, long 200mm, by the automobile-used cleanser of ira situ degradation VOCs
Be added polytetrafluoroethylene (PTFE) pipe reactor in, then by polytetrafluoroethylene (PTFE) pipe reactor be evacuated to pressure be -1.0KPa, then to
Unstripped gas is injected in polytetrafluoroethylene (PTFE) pipe reactor to normal pressure, tests purification of the VOCs catalytic purifications agent to VOCs under different time
Rate, unstripped gas group become：VOCs concentration 21ppm (is 3 in molar ratio by formaldehyde, benzene,toluene,xylene:2:1:1), remaining is
Air.Reaction carries out under 25 DEG C of atmospheric pressure environments, and experimental result is as shown in table 1~4.
Table 1：The purifying property of VOCs catalytic purification agent PARA FORMALDEHYDE PRILLS(91,95)s in embodiment and comparative example
| 2h | 24h | 15 days | |
| Embodiment 1 | 41.6 | 79.2 | 98.5 |
| Embodiment 2 | 40.3 | 76.1 | 98.0 |
| Embodiment 3 | 36.0 | 74.6 | 94.2 |
| Embodiment 4 | 34.8 | 69.2 | 93.12 |
| Embodiment 5 | 29.1 | 72.5 | 96.2 |
| Comparative example 1 | 13.2 | 51.8 | 91.3 |
| Comparative example 2 | 23.6 | 60.8 | 88.8 |
Table 2：The purifying property of VOCs catalytic purifications agent in embodiment and comparative example to benzene
| 2h | 24h | 15 days | |
| Embodiment 1 | 42.3 | 76.6 | 93.1 |
| Embodiment 2 | 41.1 | 73.9 | 93.7 |
| Embodiment 3 | 37.16 | 72.8 | 89.7 |
| Embodiment 4 | 36.0 | 67.6 | 88.6 |
| Embodiment 5 | 30.8 | 70.6 | 91.2 |
| Comparative example 1 | 16.6 | 51.6 | 81.1 |
| Comparative example 2 | 18.4 | 59.3 | 84.8 |
Table 3：The purifying property of VOCs catalytic purifications agent in embodiment and comparative example to toluene
Table 4：The purifying property of VOCs catalytic purification agent paraxylene in embodiment and comparative example
| 2h | 24h | 15 days | |
| Embodiment 1 | 40.6 | 71.9 | 86.6 |
| Embodiment 2 | 45.6 | 78.9 | 95.8 |
| Embodiment 3 | 38.2 | 72.2 | 91.5 |
| Embodiment 4 | 39.1 | 70.8 | 88.9 |
| Embodiment 5 | 37.5 | 67.6 | 87.6 |
| Comparative example 1 | 29.7 | 60.0 | 83.0 |
| Comparative example 2 | 20.3 | 55.7 | 76.2 |
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 (7)
1. a kind of automobile-used cleanser of ira situ degradation VOCs, which is characterized in that be made of the substance of following parts by weight：Kaolin 5
~15 parts by weight, 3~12 parts by weight of organic titanate, 0.1~1 parts by weight of soluble metallic salt, 1~3 weight of silane coupling agent
Part, is gathered at 5~8 parts by weight of graphene oxide, 3~8 parts by weight of diallyl dimethyl ammoniumchloride, 1~5 parts by weight of foaming agent
80~150 parts by weight of allyl resin, 2~10 parts by weight of inorganic acid, 10~50 parts by weight of solvent.
2. the automobile-used cleanser of ira situ degradation VOCs according to claim 1, which is characterized in that by the object of following parts by weight
Matter is made：6~12 parts by weight of kaolin, 5~10 parts by weight of organic titanate, 0.3~0.8 parts by weight of soluble metallic salt, silicon
1.2~1.8 parts by weight of alkane coupling agent, 5~8 parts by weight of graphene oxide, 3~8 parts by weight of diallyl dimethyl ammoniumchloride,
1~5 parts by weight of foaming agent, 100~120 parts by weight of acrylic resin, 3~6 parts by weight of inorganic acid, 10~50 parts by weight of solvent.
3. the automobile-used cleanser of ira situ degradation VOCs according to claim 1, which is characterized in that the organic titanate choosing
From at least one of tetraethyl titanate, tetramethoxy titanate ester, tetraisopropyl titanate, tetrabutyl titanate, tetra-n-butyl titanate.
4. the automobile-used cleanser of ira situ degradation VOCs according to claim 1, which is characterized in that the silane coupling agent choosing
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.
5. the automobile-used cleanser of ira situ degradation VOCs according to claim 1, which is characterized in that the soluble metallic salt
Selected from soluble manganese salt, soluble molybdenum salt, soluble ferric iron salt, soluble nickel salt, soluble gold salt, soluble silver salt, solubility
At least one of platinum salt, soluble rhodium salt or soluble palladium salt.
6. the automobile-used cleanser of ira situ degradation VOCs according to claim 1, which is characterized in that the foaming agent is selected from even
At least one of nitrogen compound, sulfonyl hydrazines compound, nitroso compound and carbonate.
7. the automobile-used cleanser of ira situ degradation VOCs according to claim 1, which is characterized in that the solvent is selected from third
Ketone, N,N-dimethylformamide, N-Methyl pyrrolidone, DMAC N,N' dimethyl acetamide, ethyl alcohol, acetic acid, ethyl acetate, tetrahydrochysene furan
It mutters, at least one of dimethyl sulfoxide (DMSO) and water.
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Application publication date: 20181016 |