CN108976928A - A kind of novel nano air cleaning interior wall coating and preparation method thereof - Google Patents
A kind of novel nano air cleaning interior wall coating and preparation method thereof Download PDFInfo
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- CN108976928A CN108976928A CN201810922518.9A CN201810922518A CN108976928A CN 108976928 A CN108976928 A CN 108976928A CN 201810922518 A CN201810922518 A CN 201810922518A CN 108976928 A CN108976928 A CN 108976928A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D125/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
- C09D125/02—Homopolymers or copolymers of hydrocarbons
- C09D125/04—Homopolymers or copolymers of styrene
- C09D125/08—Copolymers of styrene
- C09D125/14—Copolymers of styrene with unsaturated esters
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D143/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Coating compositions based on derivatives of such polymers
- C09D143/04—Homopolymers or copolymers of monomers containing silicon
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/66—Additives characterised by particle size
- C09D7/67—Particle size smaller than 100 nm
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- 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
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- 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
- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
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- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
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- Paints Or Removers (AREA)
Abstract
It is by Nano-meter SiO_2 the invention discloses a kind of novel nano air cleaning interior wall coating and preparation method thereof2‑TiO2Aerogels and anion material, by mixing prepared nanoporous aerogel photochemical catalyst/anion material dispersion liquid with silicone acrylic emulsion or styrene-acrylic emulsion, and are added the auxiliary agents such as appropriate dispersing agent, wetting agent, coalescing agent, defoaming agent and obtain as the functional filler in coating.Coating of the present invention is added to the aerogel particles with high efficiency of additive capability and the photocatalytic particle with photocatalytic Degradation, the efficient absorption effect of aeroge can promote Photocatalytic Degradation Process, anion material can decompose the moisture content of Photocatalytic Degradation Process generation, to further promote further absorption of the aeroge to toxic and harmful gas, absorption/photocatalytic degradation acts synergistically and mutually promotes, pernicious gas and the bacterium in air can be more effectively eliminated, air purification effect will be highly efficient and permanent.
Description
Technical field
The invention belongs to environment protection type functional coating and technical field of air purification, it is related in a kind of novel nano air cleaning
Wall coating and preparation method thereof.
Background technique
With the continuous development and progress of resource-efficient and environment friendly society, the use of solvent based coating is by one
Fixed limitation, the exploitation of coating start gradually trend high-performance, top grade, multi-functional and environmentally protective direction and develop, water
Property coating especially air purification type coating comes into being, and becomes the hot spot of people's growing interest and research in recent years.Such as
A kind of light catalyzed coating with photocatalytic activity and absorption property is invented in patent ZL 02810799.3, wherein adsorbent
Based on the silicate or diatomite of magnesium or calcium, photochemical catalyst is then with TiO2Or based on ZnO, coating sheet is applied as solvent borne
Material.Patent ZL 200510011793.8 provides a kind of light catalyzed coating modified by nitrogen dopen Nano titanium dioxide, the patent intermediary
What is continued is that the nanometer for adulterating nitrogen is added in water paint, makes it have photocatalysis.Patent CN1962776A is provided
A kind of composite air purifying paint, it is using water, water-based emulsion as main component, by adding anion slurry, antibacterial agent, plant
Aromatic, can sustained release anion and to pernicious gases removals with higher such as formaldehyde, benzene, ammonia in air
Rate.Currently, air purifying paint is by TiO in coating mostly2The photocatalytic Degradation of equal photocatalytic activities particle is negative
Ionization achievees the effect that air cleaning using adsorbents such as diatomite.However it is reported that individually addition absorption in coating
Particle and photocatalytic particle, often due to adsorption saturation and the photocatalytic degradation limit of sorbent particles and photocatalytic particle and
Keep air purification effect unobvious.
Summary of the invention
In order to solve the problems in the prior art, the present invention provides a kind of novel nano air cleaning interior wall coating and its system
Preparation Method solves the problems, such as that air purifying paint clean-up effect is bad in the prior art.
It is net containing air in the coating the technical scheme is that a kind of novel nano air cleaning interior wall coating
Change the factor,
The air cleaning factor is made of aeroge photocatalytic particle and anion material particle, wherein
The aeroge photocatalytic particle is TiO2-SiO2Composite aerogel particle；
The anion material is at least one of nano-tourmaline or opal shale powder；
The air cleaning factor accounts for the 5~20% of coating gross mass, preferably 5~10%, most preferably 15%；Its
In, the TiO2-SiO2The mass ratio of composite aerogel particle and anion material is 1:10~1:50, preferably 1:20.
The TiO2-SiO2Composite aerogel particle is prepared as follows: first by ethyl orthosilicate or methyl orthosilicate
Complex sol is prepared by sol-gal process with butyl titanate, is aged after becoming gel, is changed by exchange of solvent/surface
Property processing, be most dried afterwards through CO 2 supercritical, obtain composite aerogel, after grinding obtain composite aerogel particle.
The TiO2-SiO2Composite aerogel particle is modified by the surface silane coupling agent KH560.
The TiO2-SiO2The particle size range of composite aerogel particle is 0.1-2 μm, preferably 0.1-1 μm.
The particle size range of the anion material tourmaline or opal shale Ultramicro-powder is < 200nm.
The particle size range of the anion material tourmaline or opal shale Ultramicro-powder is for≤100nm.
The coating is grouped as by following groups by mass percentage:
Wherein, the lotion is the mixed emulsion of styrene-acrylic emulsion or silicone acrylic emulsion or both；
The anti-settling agent is aqueous hectorite powder；
The dispersing agent is 731 dispersing agent of complex polyelectrolyte particle type or calgon；
The wetting agent is GENAPOL BE 2410 or P100 alkyl polyoxyethylene ether；
The defoaming agent is Digao Foamex N；
The coalescing agent is ethylene glycol monobutyl ether or acrylic acid double cyclopentenyl oxygen ethyl ester.
Further include auxiliary agent in coating of the present invention, the present invention it is adjuvant used be well known to those skilled in the art be used for
Auxiliary agent of coating, including dispersing agent, coalescing agent, defoaming agent, levelling agent, wetting agent, thickener etc., this field masterful technique
Personnel can determine its selection and dosage by the prior art.The preferably described auxiliary agent of the present invention is by anti-settling agent, dispersing agent, wetting
Agent, coalescing agent, defoaming agent composition.
A kind of preparation method of novel nano air cleaning interior wall coating, including following processing steps:
(1) anti-settling agent, wetting agent and dispersing agent joined in water in proportion first, stirs evenly, then by nanometer airsetting
Glue photochemical catalyst and anion material are distributed in solution, are stirred well to it and are completely dispersed, obtain dispersion liquid；High speed dispersion revolving speed
For 5000r/min, the high speed dispersion time is that 30min reaches the dispersibility of dispersion liquid when ultrasonic dispersing time is 10min
Optimum state.
(2) auxiliary agents such as water, lotion, defoaming agent, coalescing agent are added into dispersion liquid obtained by step (1), continues stirring and obtains
Obtain uniform coating.
The beneficial effects of the present invention are: the present invention is based on the high efficiency of additive capability of aeroge, TiO2Photochemical catalyst is good
Photocatalysis performance and anion material performance capable of releasing negative ion are prepared for a kind of novel nano combined air cleaning painting
Material.Contain a certain amount of aeroge adsorber particles with high efficiency of additive capability in this kind of coating and there is photocatalysis performance
TiO2Photochemical catalyst and anion material performance capable of releasing negative ion.The present invention is added to simultaneously in coating to be had efficiently
The efficient absorption effect of the aerogel particles of absorption property and photocatalytic particle with photocatalytic Degradation, aeroge can
Promote Photocatalytic Degradation Process, anion material can decompose the moisture content of Photocatalytic Degradation Process generation, to further promote
Further absorption of the aeroge to toxic and harmful gas, absorption/photocatalytic degradation act synergistically and mutually promote, can more have
Pernicious gas and bacterium in air are eliminated in effect ground, and compared with current air purifying paint, air purification effect will be more high
It imitates and permanent.
Detailed description of the invention
Fig. 1 is the preparation technology figure of dispersion liquid in embodiment coating；
Fig. 2 is the preparation technology figure of embodiment novel nano air purifying paint.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below to specific reality of the invention
The mode of applying is described in detail.In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention.But
The invention can be embodied in many other ways as described herein, and those skilled in the art can be without prejudice to this hair
Similar improvement is done in the case where bright intension, therefore the present invention is not limited to the specific embodiments disclosed below.
The air cleaning factor in the present invention is Nano-meter SiO_22-TiO2Aerogels and anion material, aeroge
It is a kind of lightweight mesoporous material, has the characteristics that high Kong Rong and high-specific surface area, there is efficient absorption property.TiO2It is with light
The photosemiconductor material of catalysis, can generate hydroxyl free radical after its light, can effectively decomposing formaldehyde, benzene etc. are organic
Object, and can also oxidation removal nitrogen oxides and sulfide etc., have air purification effect, strong oxidation can also well
The cell wall of bacterium and the protein of solidification virus are destroyed, to have bactericidal effect well.Anion material has simultaneously
Natural permanent spontaneous electrode, can generate the negative oxygen ion with very strong redox, have excellent antibacterial
Sterilizing function.The present invention is by the high efficiency of additive capability of aeroge, TiO2The photocatalysis performance and anion material of photochemical catalyst are certainly
The function that hair generates negative oxygen ion is combined together, and develops the coating with excellent air cleaning performance.Coating energy of the present invention
Formaldehyde, benzene, ammonia, PM2.5 and other harmful substances effectively in purification air, solve current air pollution problem inside rooms, realize
Green people occupies.
The mechanism of present invention purification air:
The extremely strong adsorptivity of aeroge can quickly adsorb the pollutants such as the formaldehyde in air, then in TiO2Light is urged
Under the action of agent, react HCHO+O2→CO2+H2O；There is electrostatic field phenomenons around tourmaline particles, have natural
Permanent spontaneous electrode, hydrone can be ionized into H with the water function in moisture and air caused by degradation reaction+
And OH-Ion.Due to H+Movement speed (H quickly+Movement speed be OH-18 times), shift to the cathode of permanent electrode rapidly,
An electronics is absorbed, H is become2It spills into air, and OH-Then H is formed with other hydrone3O2 -。H3O2 -As air bear from
Son.The anion of negative oxygen ion institute band and the cation of harmful substance institute band occur cohesion and are deposited to ground as biggish agglomerates
Face plays the role of removing harmful substance in air.The synergistic effect energy of aeroge, photochemical catalyst and anion material three
Enough harmful substances more effectively eliminated in air, keep air purification effect highly efficient and permanent.
Embodiment 1
Preparation contains TiO2-SiO2The composite air purifying paint of composite aerogel and anion material:
With TiO2-SiO2Composite aerogel and anion material are matching for the composite air purifying paint of the air cleaning factor
System:
(1) TiO is prepared using CO 2 supercritical drying process first2-SiO2Composite aerogel, detailed process is as follows:
Using ethyl orthosilicate or methyl orthosilicate as silicon source, butyl titanate is titanium source, and using sol-gel method, the two is mixed in proportion
The TiO that Ti/Si molar ratio is 1:4 is obtained after conjunction2-SiO2Trim,ethylchlorosilane and n-hexane is added in complex sol in colloidal sol,
Solvent replacement/surface modification treatment is carried out to it using n-hexane/trim,ethylchlorosilane after gelling, is most faced afterwards through carbon dioxide is super
Boundary is dried, and obtains the TiO2-SiO2 composite aerogel that Ti/Si molar ratio is 1:4.Using silane coupling agent KH560 to receiving
Rice TiO2-SiO2Composite aerogel carries out surface and is modified, and nano-TiO can be improved2-SiO2Point of composite aerogel particle in water
Dissipate property.
(2) TiO for taking the 1.0g above method to prepare2-SiO238.0g is added in composite aerogel and 20.0g anion material
Water, 2.0g wetting agent, 0.5g dispersing agent and 1.5g anti-settling agent, in 5000r/min high speed dispersion, the high speed dispersion time is
30min makes the dispersibility of dispersion liquid reach optimum state when ultrasonic dispersing time is 10min.
(3) into dispersion liquid prepared by (2), 40.0g styrene-acrylic emulsion, 0.5g defoaming agent and 1.5g film forming is added and is helped
Agent, low speed disperses 2h, then high speed dispersion (5000r/min) 30min under the revolving speed of 1000r/min.Then by mixed emulsion
PH value is adjusted to 7.8-8.0.Final filtration discharging obtains stable nano-TiO2-SiO2Aeroge/anion material composite air
Purify coating.
Claims (10)
1. a kind of novel nano air cleaning interior wall coating, it is characterised in that: contain the air cleaning factor in the coating,
The air cleaning factor is made of aeroge photocatalytic particle and anion material particle, wherein
The aeroge photocatalytic particle is TiO2-SiO2Composite aerogel particle；
The anion material is at least one of nano-tourmaline or opal shale powder；
The air cleaning factor accounts for the 5~20% of coating gross mass, wherein the TiO2-SiO2Composite aerogel particle and negative
The mass ratio of ionic material is 1:10~1:50.
2. the novel nano air cleaning interior wall coating according to requiring 1, it is characterised in that: the TiO2-SiO2Compound airsetting
Micelle is prepared as follows: passing through collosol and gel legal system by ethyl orthosilicate or methyl orthosilicate and butyl titanate first
Standby complex sol, is aged after becoming gel, by exchange of solvent/surface modification treatment, most afterwards through CO 2 supercritical
It is dried, obtains composite aerogel, composite aerogel particle is obtained after grinding.
3. the novel nano air cleaning interior wall coating according to requiring 2, it is characterised in that: the TiO2-SiO2Compound airsetting
Micelle is modified by the surface silane coupling agent KH560.
4. the novel nano air cleaning interior wall coating according to requiring 1, it is characterised in that: the TiO2-SiO2Compound airsetting
The particle size range of micelle is 0.1-2 μm.
5. novel nano air cleaning interior wall coating according to claim 1, it is characterised in that: the anion material electricity
The particle size range of gas stone or opal shale Ultramicro-powder is < 200nm.
6. novel nano air cleaning interior wall coating according to claim 5, it is characterised in that: the anion material electricity
The particle size range of gas stone or opal shale Ultramicro-powder is for≤100nm.
7. novel nano air cleaning interior wall coating according to claim 1, it is characterised in that: the air cleaning factor
Account for the 5~10% of coating gross mass.
8. novel nano air cleaning interior wall coating according to claim 1, it is characterised in that: the TiO2-SiO2It is compound
The mass ratio of aerogel particles and anion material is 1:20.
9. novel nano air cleaning interior wall coating according to claim 1, it is characterised in that: the coating, by quality
Percentage is grouped as by following groups:
Wherein, the lotion is the mixed emulsion of styrene-acrylic emulsion or silicone acrylic emulsion or both；
The anti-settling agent is aqueous hectorite powder；
The dispersing agent is 731 dispersing agent of complex polyelectrolyte particle type or calgon；
The wetting agent is GENAPOL BE 2410 or P100 alkyl polyoxyethylene ether；
The defoaming agent is Digao Foamex N；
The coalescing agent is ethylene glycol monobutyl ether or acrylic acid double cyclopentenyl oxygen ethyl ester.
10. a kind of preparation method of novel nano air cleaning interior wall coating, it is characterised in that: including following processing steps:
(1) anti-settling agent, wetting agent described in claim 9 and dispersing agent joined in water in proportion first, stirs evenly, then will
Nanoporous aerogel photochemical catalyst and anion material are distributed in solution, are stirred well to it and are completely dispersed, obtain dispersion liquid；
(2) water, lotion, defoaming agent, coalescing agent are added into dispersion liquid obtained by step (1), continues stirring to obtain and uniformly applies
Material.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110437695A (en) * | 2019-08-14 | 2019-11-12 | 向军辉 | A kind of multi-functional photocatalyst aeroge coatings for furniture and preparation method thereof |
| CN110484071A (en) * | 2019-08-29 | 2019-11-22 | 河南浩丰铝业科技发展有限公司 | A kind of aluminum paste metallic paint and preparation method thereof |
| CN115353358A (en) * | 2022-08-31 | 2022-11-18 | 慕林健康负氧离子医用建材(深圳)集团有限公司 | Negative oxygen ion health mud for purifying air, preventing condensation and inhibiting bacteria and preparation method thereof |
| CN115948081A (en) * | 2022-01-10 | 2023-04-11 | 中建材科创新技术研究院(山东)有限公司 | Aerogel interior wall coating with purification function |
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| KR101296880B1 (en) * | 2013-03-20 | 2013-08-14 | (주) 에스아이이엔지 | Insulation coating composition having a function of flame retardancy and heat-resisting property |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110437695A (en) * | 2019-08-14 | 2019-11-12 | 向军辉 | A kind of multi-functional photocatalyst aeroge coatings for furniture and preparation method thereof |
| CN110484071A (en) * | 2019-08-29 | 2019-11-22 | 河南浩丰铝业科技发展有限公司 | A kind of aluminum paste metallic paint and preparation method thereof |
| CN110484071B (en) * | 2019-08-29 | 2021-05-04 | 河南浩丰铝业科技发展有限公司 | Aluminum paste metal coating and preparation method thereof |
| CN115948081A (en) * | 2022-01-10 | 2023-04-11 | 中建材科创新技术研究院(山东)有限公司 | Aerogel interior wall coating with purification function |
| CN115948081B (en) * | 2022-01-10 | 2023-09-26 | 中建材科创新技术研究院(山东)有限公司 | Aerogel interior wall coating for purification function |
| CN115353358A (en) * | 2022-08-31 | 2022-11-18 | 慕林健康负氧离子医用建材(深圳)集团有限公司 | Negative oxygen ion health mud for purifying air, preventing condensation and inhibiting bacteria and preparation method thereof |
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Application publication date: 20181211 |