CN107573770A - A kind of interior wall removes formaldehyde-latex paint and preparation method thereof - Google Patents
A kind of interior wall removes formaldehyde-latex paint and preparation method thereof Download PDFInfo
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- CN107573770A CN107573770A CN201710646596.6A CN201710646596A CN107573770A CN 107573770 A CN107573770 A CN 107573770A CN 201710646596 A CN201710646596 A CN 201710646596A CN 107573770 A CN107573770 A CN 107573770A
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Abstract
The invention discloses a kind of interior wall except formaldehyde-latex paint and preparation method thereof, a kind of formaldehyde-latex paint that removes of interior wall mainly include VAE emulsions：30 40 parts；Except Formaldehyde as Additives：0.5 5 parts；Superfine alumina silicate：13 parts；Filler：20 40 parts；Nano-meter SiO_22：5 10 parts；Thickener：25 parts；Dispersant：0.5 2 parts；Defoamer：13 parts；Water：15 30 parts.It is described except Formaldehyde as Additives is titanium dioxide graphene composite material, by titanium dichloride load on graphene, enhance TiO2Photocatalysis efficiency.The present invention is first by superfine alumina silicate, filler, Nano-meter SiO_22Powder, dispersant, water mixed grinding, are then mixed into other reagents, progressively accelerate to be mixed with emulsion paint.Emulsion property prepared by the present invention is homogeneous, low smell, and the efficiency of purifying formaldehyde is notable.
Description
Technical field
The invention belongs to paint field, and in particular to a kind of interior wall removes formaldehyde-latex paint and preparation method thereof.
Background technology
Emulsion paint has the advantages that easy for construction, dried coating film is quick, good permeability compared with other coating, emulsion paint quilt
It is widely applied in interior wall and exterior wall, because exterior wall is vulnerable to the influence of weather, it is necessary to have fabulous anti-for the invasion and attack of rainwater
It is water-based.At present, in order to reach preferable filming performance, coalescents and antifreezing agent are all contained in common commercially available emulsion paint.
Contain substantial amounts of organic volatile in emulsion paint（VOC）, the main component in organic volatile is formaldehyde, and formaldehyde is tight
Heavily contaminated environment, is harmful to human body, or even can cause the symptom such as headache, Nausea and vomiting, weak, and serious also resulting in is taken out
Jerk, go into a coma, injury human liver, kidney, brain and nervous system, cause the serious consequences such as failure of memory, be chronically at height
The environment for spending formaldehyde can also be carcinogenic.
At present except the physical method of formaldehyde includes ventilation method and active carbon adsorption, the method for ventilation removes formaldehyde
Time it is longer and efficiency is low, formaldehyde is still present in air, does not remove formaldehyde fundamentally；Added in emulsion paint
Activated carbon is the formaldehyde adsorption by activated carbon, but formaldehyde is still stored in activated carbon, potential safety hazard be present.
Nano TiO 2 powder and rare earth material are added except the chemical method of formaldehyde is included in emulsion paint, but in breast
In shellac varnish add nano TiO 2 powder method can with catalytic degradation formaldehyde, but Titanium Dioxide oxidation efficiency compared with
It is low；The method that rare earth filler is added in emulsion paint can be with catalytic degradation formaldehyde, but adds a small amount of rare earth filler catalysis effect
Rate is low, and the efficiency of catalytic degradation formaldehyde can be improved by adding more rare earth filler, but also human body can be caused to radiate simultaneously
Injury.
The content of the invention
It is an object of the invention to provide a kind of interior wall except formaldehyde-latex paint and preparation method thereof, the emulsion paint is main
Including VAE emulsions, except the compositions such as Formaldehyde as Additives, superfine alumina silicate, the preparation method of the emulsion paint it is simple to operation.The present invention
Using VAE emulsions, coalescents and antifreezing agent are not added, effectively reduce the content of formaldehyde in emulsion paint.
Main following technical scheme of the invention is realized：A kind of interior wall removes formaldehyde-latex paint, is calculated according to mass parts main
Including following component：VAE emulsions：30-40 parts；Except Formaldehyde as Additives：0.5-5 parts；Superfine alumina silicate：1-3 parts；Filler：20-40
Part；Nano-meter SiO_22：5-10 parts；Thickener：2-5 parts；Dispersant：0.5-2 parts；Defoamer：1-3 parts；Water：15-30 parts.
The VAE emulsions are the abbreviations of vinyl acetate-ethylene copolymerization emulsions, and it using vinyl acetate and vinyl monomer is basic to be
Raw material, add the macromolecule emulsion that emulsifying agent and initiator are formed by the copolymerization of high pressure emulsion polymerization.VAE emulsions are by acetic acid
Ethene（Content is between 70%-95%）It is made with vinyl monomer through being copolymerized, there is preferable pliability, resistance to acids and bases, weather resisteant,
And there is good compatibility and film forming characteristics, it is widely used in coating for internal and external wall.Because VAE has preferable film forming
Characteristic, therefore addition can not even add coalescents less.
It is described except Formaldehyde as Additives is titanium dioxide-graphene composite material, be by titanium dichloride load on graphene.Stone
Black alkene is one kind with SP2The hexangle type two-dimension plane structure of hybridized orbit composition, therefore there is larger specific surface area, high electricity
Sub- transporting, good electrical and thermal conductivity.When graphene and TiO2Compound tense, the unique electron transport property of graphene can make
The recombination rate for obtaining photo-generated carrier substantially reduces, so as to greatly strengthen TiO2Photocatalysis effect；It can strengthen again simultaneously
The absorption of PARA FORMALDEHYDE PRILLS(91,95), expand photoresponse scope, improve photo-catalysis capability.It is described except Formaldehyde as Additives is titanium dioxide-graphene
Composite, graphene is reduced by graphene oxide and obtained, the graphene oxide in the titanium dioxide-graphene complex
Weight ratio with titanium dioxide is 0.1-0.5.
When light is irradiated to nano-TiO2On particulate, light induced electron-hole pair is formed, light induced electron and photohole can
Reacted with direct and cell membrane, cell membrane or cell constituent, cause cell function unit to inactivate and reach the effect of sterilization
Fruit；On the other hand, photohole obtains electronic capability with very strong, can also make the oxygen activation in air, produces active oxygen and oneself
By base, reactive oxygen species and free radicals have very high reactivity, when pollutant is adsorbed in its surface, will with free electron or
Hole combines, and redox reaction occurs, so as to reach the purpose for eliminating pollution.
The superfine alumina silicate has the characteristics of intensity is high, oil absorption is low, easily scattered, and has cellular ultramicropore knot
Structure, it is porous material, can effectively adsorbs the formaldehyde in air.Then in titanium dioxide-graphene composite material
TiO2The formaldehyde of superfine alumina silicate absorption is subjected to catalytic degradation.
The Nano-meter SiO_22Powder can increase that frictional behaviour of emulsion paint, increase the compactness of emulsion paint film, so as to
Increase the water resistance of emulsion paint film.
The filler is the one or more in kaolin, powdered whiting, diatomite, talcum powder, wollastonite, described to fill out
The particle diameter of material is 800-1200 mesh.The particle diameter of filler directly affects the consistency of emulsion paint film, the thinner emulsion paint of particle diameter of filler
Film it is finer and close, water resistance is better.
In order to preferably realize the present invention, further, the thickener be hydroxymethyl cellulose, hydroxyethyl cellulose,
Any one in methylcellulose, hydroxypropyl methyl cellulose.
A kind of interior wall except the preparation method of formaldehyde-latex paint, mainly include the following steps that：
Step A, by superfine alumina silicate, filler, Nano-meter SiO_22It is placed in grinder after powder, dispersant, water are well mixed
Row grinding, the average grain diameter of grinding are more than 400 mesh；
Step B, by the solution ground in step A, defoamer, hydroxyethyl cellulose, except Formaldehyde as Additives, thickener, defoamer,
VAE emulsions mix, and first stir 30min in 400-600r/min rotating speeds, are then stirred under 1200-1500r/min rotating speeds.
In order to preferably realize the present invention, further, milling time is 20-35min in the step A.Milling time
It is not easy long, is on the one hand waste of resource, is on the other hand the activity loss that heating causes dispersant when preventing grinding.
Beneficial effects of the present invention：
（1）Using VAE emulsions, coalescents are not added, effectively reduce the content of formaldehyde；
（2）Using titanium dioxide-graphene composite material as formaldehyde formulations are removed, by TiO2It is loaded on graphene, enhances
TiO2Photocatalysis efficiency；
（3）Using superfine alumina silicate formaldehyde adsorption, the then TiO in titanium dioxide-graphene composite material2Further photocatalysis
Degradation of formaldehyde；
（4）Using first by superfine alumina silicate, filler, Nano-meter SiO_22It is well mixed that powder, dispersant, water are ground into slurry；Then mix
Other compositions are closed, rotating speed is incrementally increased and prepares emulsion paint, the emulsion paint performance of preparation is homogeneous, stably.
Brief description of the drawings
Nothing.
Embodiment
Embodiment 1：
A kind of formaldehyde-latex paint that removes of interior wall mainly includes 35 parts of VAE emulsions, 0.5 part of titanium dioxide-graphene composite material, surpassed
Thin 2 parts of alumina silicate, 35 parts of talcum powder, Nano-meter SiO_225 parts of powder, 3 parts of hydroxyethyl cellulose, 1 part of dispersant, 1 part of defoamer, water
20 parts.
A kind of interior wall mainly includes except the preparation method of formaldehyde-latex paint：First by superfine alumina silicate, talcum powder, nanometer
SiO2After powder, dispersant, water mix in beaker, it is put into grinder and is ground 20min；Then mixed in flask
VAE emulsions, defoamer, hydroxyethyl cellulose, except Formaldehyde as Additives, thickener, defoamer, using reinforcement electric mixer in rotating speed
400r/min stirs 30min, is then stirred using high speed dispersing stirrer under 1500r/min rotating speeds.The titanium dioxide
Graphene is reduced by graphene oxide and obtained, the weight ratio of the graphene oxide and titanium dioxide in titanium-graphene complex
For 0.1.
The water resistance experiment of emulsion paint：The emulsion paint of preparation is coated uniformly on the sample board of cleaning, under room temperature condition
Drying and forming-film, 96h in water is immersed in by the 2/3 of emulsion paint film test piece, it is parallel to make 3 samples.Purifying formaldehyde rate method of testing is held
Row JC/T1074-2008《Function of purifying indoor air coating material purification function》Defined class requirement is tested.
Drawn by test, the emulsion paint film forming for preparing of the present invention is preferable, paint film appearance is smooth, without lump, good hand touch,
Glossiness is good；Emulsion paint film smell is small, and water resistance is preferable, does not occur bubble, dry linting, obvious discoloration etc. during survey water resistance
Defects of film coating phenomenon.The purifying formaldehyde rate for drawing emulsion paint after tested is 95%, clean-up effect persistence 86%, breast of the invention
Shellac varnish performance is homogeneous, low smell, except effect of formaldehyde is notable.
Embodiment 2：
A kind of interior wall mainly includes 40 parts of VAE emulsions, 1 part of titanium dioxide-graphene composite material, ultra-fine except formaldehyde-latex paint
3 parts of alumina silicate, 35 parts of talcum powder, Nano-meter SiO_228 parts of powder, 3 parts of hydroxyethyl cellulose, 1 part of dispersant, 1 part of defoamer, water 25
Part.
A kind of interior wall mainly includes except the preparation method of formaldehyde-latex paint：First by superfine alumina silicate, talcum powder, nanometer
SiO2Powder, dispersant, water mix in beaker, are put into grinder are ground 20min afterwards；Then add VAE emulsions,
Defoamer, hydroxyethyl cellulose, it is well mixed except Formaldehyde as Additives, thickener, defoamer, using reinforcement electric mixer in rotating speed
400r/min stirs 30min, is then stirred using high speed dispersing stirrer under 1500r/min rotating speeds.The titanium dioxide
Graphene is reduced by graphene oxide and obtained, the weight ratio of the graphene oxide and titanium dioxide in titanium-graphene complex
For 0.2.
The method of testing of the present embodiment repeats no more with embodiment 1.
Drawn by test, the emulsion paint film forming for preparing of the present invention is preferable, paint film appearance is smooth, without lump, good hand touch,
Glossiness is good；Emulsion paint film smell is small, and water resistance is preferable, does not occur bubble, dry linting, obvious discoloration etc. during survey water resistance
Defects of film coating phenomenon.The purifying formaldehyde rate for drawing emulsion paint after tested is 97%, clean-up effect persistence 90%, breast of the invention
Shellac varnish performance is homogeneous, low smell, except effect of formaldehyde is notable.
Compared to embodiment 1, embodiment adds the content of titanium dioxide-graphene, superfine alumina silicate, finds emulsion paint
Purifying formaldehyde rate increase compared to embodiment 1, but not significantly, but purifying formaldehyde effect persistence does not become compared to embodiment 1
Good, this is primarily due to the content increase of titanium dioxide-graphene amount increase, photo-catalysis capability increase, while superfine alumina silicate,
The formaldehyde amount increase of absorption, increase the amount of optically catalytic TiO 2 formaldehyde.
It is described above, be only presently preferred embodiments of the present invention, any formal limitation not done to the present invention, it is every according to
Any simply modification, the equivalent variations made according to the technical spirit of the present invention to above example, each fall within the protection of the present invention
Within the scope of.
Claims (6)
1. a kind of interior wall removes formaldehyde-latex paint, it is characterised in that the main following component for including calculating in parts by mass：
VAE emulsions：30-40 parts；
Except Formaldehyde as Additives：0.5-5 parts；
Superfine alumina silicate：1-3 parts；
Filler：20-40 parts；
Nano-meter SiO_22：5-10 parts；
Thickener：2-5 parts；
Dispersant：0.5-2 parts；
Defoamer：1-3 parts；
Water：15-30 parts.
2. a kind of interior wall according to claim 1 removes formaldehyde-latex paint, it is characterised in that described except Formaldehyde as Additives is two
Titanium oxide-graphene composite material, in the titanium dioxide-graphene composite material graphene reduced by graphene oxide and
, the weight ratio of the graphene oxide and titanium dioxide is 0.1-0.5.
3. a kind of interior wall according to claim 1 removes formaldehyde-latex paint, it is characterised in that the filler be kaolin,
One or more in powdered whiting, diatomite, talcum powder, wollastonite, the particle diameter of the filler is 800-1200 mesh.
4. a kind of interior wall according to claim 1 removes formaldehyde-latex paint, it is characterised in that the thickener is methylol
Any one in cellulose, hydroxyethyl cellulose, methylcellulose, hydroxypropyl methyl cellulose.
5. a kind of interior wall according to claim 1 except the preparation method of formaldehyde-latex paint, it is characterised in that mainly include
Following steps：
Step A, by superfine alumina silicate, filler, Nano-meter SiO_22It is placed in grinder and is ground after powder, dispersant, water mixing
Mill, the average grain diameter of the material after grinding are more than 400 mesh；
Step B, by the solution mixture foam killer ground in step A, hydroxyethyl cellulose, except Formaldehyde as Additives, thickener, defoaming
Agent, VAE emulsions, stir, and first 30min are stirred in 400-600r/min rotating speeds, then under 1200-1500r/min rotating speeds
Stir.
6. a kind of interior wall according to claim 5 except the preparation method of formaldehyde-latex paint, it is characterised in that the step
Milling time is 20-35min in A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710646596.6A CN107573770A (en) | 2017-08-01 | 2017-08-01 | A kind of interior wall removes formaldehyde-latex paint and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710646596.6A CN107573770A (en) | 2017-08-01 | 2017-08-01 | A kind of interior wall removes formaldehyde-latex paint and preparation method thereof |
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| CN107573770A true CN107573770A (en) | 2018-01-12 |
Family
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| CN201710646596.6A Withdrawn CN107573770A (en) | 2017-08-01 | 2017-08-01 | A kind of interior wall removes formaldehyde-latex paint and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108587263A (en) * | 2018-05-14 | 2018-09-28 | 青岛瑞利特新材料科技有限公司 | A kind of graphene inorganic interior wall coating and preparation method thereof |
| CN110420556A (en) * | 2019-07-26 | 2019-11-08 | 绍兴百立盛新材料科技有限公司 | One kind is except formaldehyde Total heat exchange film and preparation method thereof |
| CN110669388A (en) * | 2018-07-03 | 2020-01-10 | 立邦涂料（中国）有限公司 | Green-selected VAE formaldehyde-resistant emulsion paint composition with low VOC and capability of reducing indoor formaldehyde content |
| CN111944337A (en) * | 2020-08-10 | 2020-11-17 | 天津单从新材料科技有限公司 | Heatable photocatalyst coating and preparation method thereof |
| CN112029316A (en) * | 2020-08-21 | 2020-12-04 | 浙江工业大学 | Photocatalyst coating and coating thereof |
| CN113493633A (en) * | 2020-04-02 | 2021-10-12 | 吴朝宁 | Mildew-proof antibacterial formaldehyde-removing emulsion paint |
| CN114702902A (en) * | 2022-03-28 | 2022-07-05 | 深圳爱比釉新材料有限公司 | Inorganic building coating with formaldehyde removing function and preparation method thereof |
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| CN101693803A (en) * | 2009-10-08 | 2010-04-14 | 广东三和化工科技有限公司 | Nano insecticidal water paint |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108587263A (en) * | 2018-05-14 | 2018-09-28 | 青岛瑞利特新材料科技有限公司 | A kind of graphene inorganic interior wall coating and preparation method thereof |
| CN110669388A (en) * | 2018-07-03 | 2020-01-10 | 立邦涂料（中国）有限公司 | Green-selected VAE formaldehyde-resistant emulsion paint composition with low VOC and capability of reducing indoor formaldehyde content |
| CN110420556A (en) * | 2019-07-26 | 2019-11-08 | 绍兴百立盛新材料科技有限公司 | One kind is except formaldehyde Total heat exchange film and preparation method thereof |
| CN113493633A (en) * | 2020-04-02 | 2021-10-12 | 吴朝宁 | Mildew-proof antibacterial formaldehyde-removing emulsion paint |
| CN111944337A (en) * | 2020-08-10 | 2020-11-17 | 天津单从新材料科技有限公司 | Heatable photocatalyst coating and preparation method thereof |
| CN112029316A (en) * | 2020-08-21 | 2020-12-04 | 浙江工业大学 | Photocatalyst coating and coating thereof |
| CN112029316B (en) * | 2020-08-21 | 2021-11-09 | 浙江工业大学 | Photocatalyst coating and coating thereof |
| CN114702902A (en) * | 2022-03-28 | 2022-07-05 | 深圳爱比釉新材料有限公司 | Inorganic building coating with formaldehyde removing function and preparation method thereof |
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Application publication date: 20180112 |
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