CN107418288A - A kind of coating additive capable of purifying air and preparation method and application - Google Patents
A kind of coating additive capable of purifying air and preparation method and application Download PDFInfo
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- CN107418288A CN107418288A CN201710593646.9A CN201710593646A CN107418288A CN 107418288 A CN107418288 A CN 107418288A CN 201710593646 A CN201710593646 A CN 201710593646A CN 107418288 A CN107418288 A CN 107418288A
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- purifying air
- additive capable
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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
- B01D53/007—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 irradiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/704—Solvents not covered by groups B01D2257/702 - B01D2257/7027
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/802—Visible light
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
- C08K7/26—Silicon- containing compounds
Abstract
The invention discloses a kind of coating additive capable of purifying air of technical field of chemical paint and preparation method and application, matched by following parts by weight：1% graphene oxide water solution：5~20 parts；Titanium source：4~5 parts；Silicon source：8~12 parts；Template：3~5 parts；Distilled water：130~150 parts, the obtained degradable organic pollutant coating additive of the present invention have it is amphipathic, oleaginous system and water-based system can stable dispersion, the present invention passes through TiO2It is immobilized to be modified in graphene oxide in mesoporous amphipathic composite, not only increase the dispersiveness of titanium dioxide, and due to graphene and mesoporous silicon oxide high standard area, formaldehyde adsorption and organic matter ability greatly improve, the hydrophobicity of graphene makes additive be more beneficial for surface alignment in coating paint film, the probability of contact organic pollution greatly improves, so as to improve degradation efficiency.
Description
Technical field
The present invention relates to technical field of chemical paint, specially a kind of coating additive capable of purifying air and its preparation side
Method and application.
Background technology
In recent years, problem of environmental pollution getting worse, the research of semiconductor light degradable organic pollutant cause people more next
More extensive interest, particularly TiO2 photochemical catalysts.TiO2 has high catalytic activity, good stability, can degrade has
The advantages that organic pollutants and non-toxic inexpensive, therefore, in medical disinfecting sterilization, sanitary wastewater and Industrial Wastewater Treatment, building work(
The fields such as energy coating, interior decoration ornament materials and solar cell are widely used.However, in coating application
In, due to TiO2 strong photocatalytic activity, film forming matter is easily degraded, in addition, addition nano-silica titanium is by coating, catalytic degradation
Organic pollution activity substantially reduces, and does not often have the effect of purification air.In order to solve problems, people bear TiO2
Carry on porous support, be added in inorganic interior wall coating or diatom ooze interior wall coating, due to no organic binder, coating is not
Can be by light degradation, and coating is porous pattern, the photocatalytic activity and durability of coating are guaranteed.But due to most of at present
The film forming matter of coating is all organic polymer, and traditional photodegradable aid still can not avoid film forming matter from being degraded and be catalyzed effect
The problem of rate is low, in addition, the light degradation material based on TiO2 can only have higher efficiency under ultraviolet light, efficiency under visible light
Lowly, this is also one of the reason for limiting its extensive use.Therefore a kind of service life length is found, is also had under visible light higher
Degradation efficiency, film forming matter is not easy to be degraded and effectively can solve existing skill by degradable organic pollutant coating additive in film
Art problem.To be come into operation therefore, we have proposed a kind of coating additive capable of purifying air and preparation method and application, with
Solve the above problems.
The content of the invention
It is an object of the invention to provide a kind of coating additive capable of purifying air and preparation method and application, with solution
The problem of being proposed in certainly above-mentioned background technology.
To achieve the above object, the present invention provides following technical scheme：A kind of coating additive capable of purifying air, this can
The coating additive of purification air is matched by following parts by weight：
1% graphene oxide water solution：5~20 parts；
Titanium source：4~5 parts；
Silicon source：8~12 parts；
Template：3~5 parts；
Distilled water：130~150 parts.
Preferably, 1% graphene oxide water solution be by 1 part of graphene oxide in 99 parts of water ultrasonic disperse 1
Removed after~3h after 2000~3000rpm centrifuges 4~8min obtained by insoluble matter.
Preferably, the titanium source is one kind in butyl titanate, isopropyl titanate or titanium tetrachloride.
Preferably, the silicon source is one kind in methyl silicate, tetraethyl orthosilicate or butyl silicate.
Preferably, a kind of preparation method of coating additive capable of purifying air, the coating additive capable of purifying air
Preparation method comprise the following steps that：
S1：5~10 part of 1% graphene oxide water solution is added in 130~150 parts of distilled water, after stirring slowly
Titanium source is added dropwise；
S2：Titanium source is dripped after continuing 2~3h of stirring at 30~40 DEG C, the template aqueous solution is then added, after mixing
It is 1~2M to add hydrochloric acid to concentration；
S3：Then 8~9 parts of silicon source is added dropwise, drips after reacting 15~24h at 30~40 DEG C, raises temperature extremely afterwards
80~120 DEG C of 20~48h of ageing obtain black mixture；
S4：Black mixture filtering is obtained into grey black solid after dry 5~10h at 60~100 DEG C；
S5：5~10h is burnt by the grey black solid in step S4 in 500 DEG C and under inert gas shielding to remove template
Agent, get product.
Preferably, in the step S2, the template aqueous solution is made for template is dissolved in 50~80 parts of water in advance
.
Preferably, in the step S5, inert gas is nitrogen or argon gas.
Preferably, a kind of coating additive capable of purifying air is applied to Discussion on architecture wall paint or added when coating disperses
Or the rear addition in finished product paint.
Compared with prior art, the beneficial effects of the invention are as follows：The degradable organic pollutant coating addition that the present invention obtains
Agent have it is amphipathic, oleaginous system and water-based system can stable dispersion, in use, it is direct to be ground into water-based/oiliness slurry
Added in corresponding coating system, it is convenient to try out.The storage stability of coating, can opening effect can also be obviously improved in water-based system
Fruit is good；
The present invention passes through TiO2It is immobilized to be modified in graphene oxide in mesoporous amphipathic composite, not only increase dioxy
Change the dispersiveness of titanium, and because graphene and mesoporous silicon oxide high standard area, formaldehyde adsorption and organic matter ability are big
It is big to improve.Because graphene has efficient electron mobility, efficient electron acceptor can be used as, photoelectricity can be efficiently separated
Son-hole pair, improve the disposal efficiency of catalyst.The addition of graphene also makes the photocatalytic activity red shift of degradation agent, makes it
Also there is certain catalytic performance under visible light, expand its application；
The hydrophobicity of graphene makes additive be more beneficial for surface alignment in coating paint film, contacts the general of organic pollution
Rate greatly improves, so as to improve degradation efficiency, further, since additive arrangement and film surface, the titanium dioxide and paint film of load
Contact probability substantially reduces, and phenomena such as efflorescence occurs so as to avoid paint film by light degradation.
Embodiment
The technical scheme in the embodiment of the present invention is clearly and completely described below, it is clear that described embodiment
Only part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the common skill in this area
The every other embodiment that art personnel are obtained under the premise of creative work is not made, belong to the model that the present invention protects
Enclose.
Embodiment one
5 part of 1% graphene oxide water solution is added in 50 parts of water, 4 parts of butyl titanates are slowly added dropwise after stirring, is dripped
Add after continuing 2~3h of stirring at 30 DEG C, then add 3 parts of template P123 and be dissolved in 80 parts of aqueous solution, salt is added after mixing
Acid to concentration is 1~2M, and 8 parts of tetraethyl orthosilicate is then added dropwise, drips after reacting 15h at 40 DEG C, raises temperature extremely afterwards
95 DEG C of ageing 30h obtain black mixture.Black mixture filtering is obtained into grey black solid after dry 10h at 60 DEG C.This is consolidated
Body 5h is burnt in 500 DEG C and under inert gas shielding with remove template produce the immobilized graphenes of TiO2 be modified it is mesoporous amphipathic compound
Material M1.
Embodiment two
10 part of 1% graphene oxide water solution is added in 80 parts of water, 5 parts of metatitanic acid isopropyls are slowly added dropwise after stirring
Ester, drip after continuing stirring 2h at 40 DEG C, 4 parts of template F127 are then added dropwise and are dissolved in 70 parts of aqueous solution, are added after mixing
Hydrochloric acid to concentration is 1~2M, and 9 parts of butyl silicate is then added dropwise, drips after reacting 15h at 40 DEG C, raises temperature afterwards
Black mixture is obtained to 120 DEG C of ageing 20h.Black mixture filtering is obtained into grey black solid after dry 5h at 100 DEG C.By this
Solid 10h is burnt in 500 DEG C and under inert gas shielding with remove template produce the immobilized graphenes of TiO2 be modified it is mesoporous amphipathic
Composite M2.
Embodiment three
15 part of 1% graphene oxide water solution is added in 50 parts, 5 parts of titanium tetrachlorides are slowly added dropwise after stirring, is dripped
Add after continuing stirring 3h at 40 DEG C, 4 parts of template P123 are then added dropwise and are dissolved in 100 parts of aqueous solution, are added after mixing
Hydrochloric acid to concentration is 1~2M, and 8 parts of methyl silicate is then added dropwise, drips after reacting 20h at 40 DEG C, raises temperature afterwards
Black mixture is obtained to 80 DEG C of ageing 48h.Black mixture filtering is obtained into grey black solid after dry 6h at 80 DEG C.This is consolidated
Body 6h is burnt in 500 DEG C and under inert gas shielding with remove template produce the immobilized graphenes of TiO2 be modified it is mesoporous amphipathic compound
Material M3.
Example IV
20 part of 1% graphene oxide water solution is added in 60 parts, 5 parts of butyl titanate is slowly added dropwise after stirring, is dripped
Add after continuing stirring 3h at 30 DEG C, 5 parts of template F68 are then added dropwise and are dissolved in 80 parts of aqueous solution, hydrochloric acid is added extremely after mixing
Concentration is 1~2M, and 9 parts of silicon source is then added dropwise, drips after reacting 15h at 30 DEG C, raises temperature afterwards to 100 DEG C of ageings
20h obtains black mixture.Black mixture filtering is obtained into grey black solid after dry 7h at 70 DEG C.By this solid in 500 DEG C
And 8h is burnt under inert gas shielding and produces the mesoporous amphipathic composite M4 of the immobilized graphene modifications of TiO2 to remove template.
Effect example 1
M1~the M4 prepared in above-described embodiment is dispersed in water, is prepared and is added admittedly containing 20% or so purification of air
Agent dispersing liquid, obtained addition agent dispersing liquid is added directly into finished product emulsion paint by 5%, is evenly applied to after stirring
On aluminium flake, after drying 7 days.It is placed on and then is placed in 450 × 350 × 350mm3 closed box, power is equipped with case
Daylight source is simulated for 128W xenon lamps, using toluene and formaldehyde as air organic pollutants, and formaldehyde and toluene are initial in case
Concentration is respectively 20.10ppm, 25.3ppm, after xenon lamp simulation daylight source irradiation 6h, tests its degradation rate, it the results are shown in Table
1：
Effect example 2
M1~the M4,0.3 part cellulose, the 0.5 part nertralizer AMP- that prepare is added in 1 part of above-described embodiment in 30 parts of water
95th, 0.5 part of dispersant, 0.3 part of wetting agent, 0.1 part of defoamer, 25 parts of rutile titanium white powder, 15 parts of calcined kaolins, 10 parts of carbon
Sour calcium adds 20 parts of acrylic emulsions and 0.5 part of coalescents after being uniformly dispersed, adjust produce one kind to appropriate viscosity can be net
Change the coating of air.It is evenly applied on aluminium flake, after drying 7 days.Then it is placed on the close of 450 × 350 × 350mm3
Power is equipped with closed box, in case and simulates daylight source for 128W xenon lamps, using toluene and formaldehyde as air organic pollutants, and case
Middle formaldehyde and toluene initial concentration is respectively 20.10ppm, 25.3ppm, after xenon lamp simulation daylight source irradiation 6h, test
Its degradation rate, it the results are shown in Table 2：
Effect example 3
The emulsion paint that obtains of all preparations is evenly applied on calcium silicate board with microporous, national standard GB15979-2002 is pressed after drying 7 days
Test antibiotic property, the results showed that, to Escherichia coli, staphylococcus aureus, Candida albicans antibiotic rate reach 99% with
On.
Effect example 4
The emulsion paint that obtains of all preparations is evenly applied on calcium silicate board with microporous, national standard GB/T1865-2009 is pressed after drying 7 days
Artificial weathering ageing resistance is tested, 800h does not occur coming off, ftractureed, bubbling and powder phenomenon-tion.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
- A kind of 1. coating additive capable of purifying air, it is characterised in that：The coating additive capable of purifying air is by following heavy Amount part is matched：1% graphene oxide water solution：5~20 parts；Titanium source：4~5 parts；Silicon source：8~12 parts；Template：3~5 parts；Distilled water：130~150 parts.
- A kind of 2. coating additive capable of purifying air according to claim 1, it is characterised in that：The 1% oxidation stone Black aqueous solution is to be centrifuged by 1 part of graphene oxide in 99 parts of water after 1~3h of ultrasonic disperse through 2000~3000rpm Removed after 4~8min obtained by insoluble matter.
- A kind of 3. coating additive capable of purifying air according to claim 1, it is characterised in that：The titanium source is metatitanic acid One kind in four butyl esters, isopropyl titanate or titanium tetrachloride.
- A kind of 4. coating additive capable of purifying air according to claim 1, it is characterised in that：The silicon source is positive silicon One kind in sour methyl esters, tetraethyl orthosilicate or butyl silicate.
- A kind of 5. preparation method of coating additive capable of purifying air according to claim 1, it is characterised in that：This can Purify comprising the following steps that for the preparation method of the coating additive of air：S1：5~10 part of 1% graphene oxide water solution is added in 130~150 parts of distilled water, is slowly added dropwise after stirring Titanium source；S2：Titanium source is dripped after continuing 2~3h of stirring at 30~40 DEG C, is then added the template aqueous solution, is added after mixing Hydrochloric acid to concentration is 1~2M；S3：Then 8~9 parts of silicon source is added dropwise, drips after reacting 15~24h at 30~40 DEG C, raise afterwards temperature to 80~ 120 DEG C of 20~48h of ageing obtain black mixture；S4：Black mixture filtering is obtained into grey black solid after dry 5~10h at 60~100 DEG C；S5：5~10h is burnt by the grey black solid in step S4 in 500 DEG C and under inert gas shielding to remove template, i.e., Obtain finished product.
- A kind of 6. preparation method of coating additive capable of purifying air according to claim 5, it is characterised in that：It is described In step S2, the template aqueous solution is made to be dissolved in template in advance in 50~80 parts of water.
- A kind of 7. preparation method of coating additive capable of purifying air according to claim 5, it is characterised in that：It is described In step S5, inert gas is nitrogen or argon gas.
- 8. a kind of coating additive capable of purifying air according to claim 1 is applied to Discussion on architecture wall paint or in coating Addition or the rear addition in finished product paint when scattered.
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Cited By (5)
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| CN108003733A (en) * | 2017-12-12 | 2018-05-08 | 桐城市桐佳装饰有限公司 | A kind of yellowing-resistant hard interior wall coating and preparation method thereof |
| CN108187633A (en) * | 2018-01-23 | 2018-06-22 | 天津科创复兴科技咨询有限公司 | A kind of formaldehyde adsorbent and its preparation method and application |
| CN110124509A (en) * | 2018-02-09 | 2019-08-16 | 燕成祥 | Light catalyst composition |
| CN111939775A (en) * | 2020-08-12 | 2020-11-17 | 南京水联天下海水淡化技术研究院有限公司 | Preparation method of solvent-resistant reverse osmosis composite membrane |
| CN113304741A (en) * | 2021-04-28 | 2021-08-27 | 上海大学 | SUSTAIN @ GQD sustainable quantum dot catalyst |
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| CN113304741A (en) * | 2021-04-28 | 2021-08-27 | 上海大学 | SUSTAIN @ GQD sustainable quantum dot catalyst |
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Application publication date: 20171201 |