CN108587336A - A kind of water nano thermal-insulating external-wall coating and preparation method thereof - Google Patents
A kind of water nano thermal-insulating external-wall coating and preparation method thereof Download PDFInfo
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- 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
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- C09D133/00—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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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- 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
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/004—Reflecting paints; Signal paints
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C08K3/22—Oxides; Hydroxides of metals
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- C08K3/20—Oxides; Hydroxides
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- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The invention discloses a kind of water nano thermal-insulating external-wall coating and preparation method thereof, raw material includes the component of following parts by weight：35 50 parts of aqueous acrylic emulsion, 5 15 parts of nano zine oxide, 5 10 parts of modified Nano ATO slurries, 5 15 parts of nano pulp, 38 parts of nano-titanium dioxide, 0.2 0.5 parts of dispersant, 0.4 0.8 parts of thickener, 0.2 0.4 parts of levelling agent, 0.5 2.5 parts of coalescents, 0.6 1.6 parts of silane coupling agent, 15 25 parts of deionized water.The coating of the present invention can effectively reflect thermal energy conduction, blocking radiant heat, infrared heat be prevented to be transmitted to inside, infrared ray and ultraviolet light effectively in barrier sunlight penetrate wall, it is substantially reduced the thermal energy that heat source is transmitted to internal environment by wall, low energy consumption, heat insulation and preservation effect is notable and service life is long, and preparation method is simple, is suitable for large-scale production and application.
Description
Technical field
The present invention relates to nano heat-insulating function new material technology fields, and in particular to a kind of water nano thermal-insulating external-wall coating
And preparation method thereof.
Background technology
With the development of China's building industry, the energy-efficient importance in house is increasingly shown especially.Common exterior coating can be inhaled
The infrared ray in sunlight is received, and is translated into thermal energy, coating temperature is caused to increase, heat is from coating to ground, then the bottom of by
Material inwardly conducts, and leads to the raising of temperature in house or container.As long as can theoretically be carried out to heat radiation effective anti-
It penetrates or obstructs, so that it may to effectively act as the effect of heat-insulation and heat-preservation, such as use Silicates material.Classical wall thermal insulating every
Hot material includes phenolic resin synthetic material, polyurethane material, glass fiber material, alumina silicate rock wool, mineral wool, rubber and plastic, soft
Wood, perlite etc..These materials are there is thick and heavy, the shortcomings of construction is cumbersome, poor water resistance.
In order to overcome these defects, people develop heat reflection coatings in recent years.Compared with common coating, this coating can
With more reflection or scattering infrared ray, and there is certain heat-blocking action.Current existing heat reflection coatings are mostly solvent type
Or water dilution type coating.
A kind of heat insulation coating disclosed in Chinese patent CN1583894, by film forming agent, mica powder, hollow ceramic
Heat-barrier material constitutes the compound heat insulating coat to solar heat reflection and barrier, has the spies such as thermal coefficient is low, heat reflectivity is high
Point, but its used resin is solvent type resin, and there are problem of environmental pollutions.
Based on this, it is necessary to a kind of water nano thermal-insulating external-wall coating and preparation method thereof is proposed, to solve the prior art
The problem of.
Invention content
In view of the above-mentioned analysis to the prior art, a kind of water nano thermal-insulating external-wall coating of present invention offer and its preparation side
Method, the coating can effectively reflect thermal energy conduction, blocking radiant heat, infrared heat be prevented to be transmitted to inside, effectively obstruct the sun
Infrared ray and ultraviolet light in light penetrate wall, hence it is evident that reduce heat source and be transmitted to the thermal energy of internal environment by wall, low energy consumption, every
Hot heat insulation effect is notable and service life is long, and preparation method is simple, is suitable for large-scale production and application.
In order to achieve the above object, the present invention is achieved through the following technical solutions：
A kind of water nano thermal-insulating external-wall coating, raw material include the component of following parts by weight：
35-50 parts of aqueous acrylic emulsion, 5-15 parts of nano zine oxide, 5-10 parts of modified Nano ATO slurries, nano pulp 5-15
Part, 3-8 parts of nano-titanium dioxide, 0.2-0.5 parts of dispersant, 0.4-0.8 parts of thickener, 0.2-0.4 parts of levelling agent, coalescents
0.5-2.5 parts, 0.6-1.6 parts of silane coupling agent, 15-25 parts of deionized water.
Preferably, raw material includes the component of following parts by weight：42 parts of aqueous acrylic emulsion, 10 parts of nano zine oxide,
7.5 parts of modified Nano ATO slurries, 10 parts of nano pulp, 5.5 parts of nano silicon dioxide, 0.3 part of dispersant, 0.6 part of thickener,
0.3 part of levelling agent, 1.3 parts of coalescents, 1.1 parts of coupling agent, 20 parts of deionized water.
Preferably, the aqueous acrylic emulsion is Styrene And Chloroalkyl Acrylates copolymer emulsion, pure acrylic acid polymerized emulsion or has
Machine silicon-acrylate copolymer emulsion.
Preferably, it is 1 that the nano pulp, which is weight ratio,:1:It 1 nano oxidized cobalt liquor, nano oxidized ferrous solution and receives
The mixture of rice oxidation copper solution, and the solid content of nano pulp is 20-40%.
Preferably, the nano-titanium dioxide is the rutile type nano titanic oxide of grain size 20-50nm.
Preferably, the dispersant is non-ionic dispersing agent；The thickener is non-ionic hydrophobic modified polyurethane
Block copolymer；The levelling agent is water-borne acrylate copolymer；The coalescents are ethylene glycol or ethylene glycol diether.
The present invention also provides the preparation methods of above-mentioned water nano thermal-insulating external-wall coating, include the following steps：
（1）By nano zine oxide, nano-titanium dioxide, 1/3 deionized water and silane coupling agent after mixing in 60 DEG C of water-baths
Back flow reaction 10-14h, is then cooled to room temperature, and product obtains silane coupler modified nanometer by centrifuging and washing
Zinc oxide and nano-titanium dioxide；
（2）Modified Nano ATO slurries and nano pulp are added sequentially in aqueous acrylic emulsion, in turning for 800-900rpm
Under speed, it is dispersed with stirring 10-20min, adds step（1）In modification nano zine oxide and nano-titanium dioxide, in 500-
5-10min is stirred under the rotating speed of 600rpm, then adds remaining deionized water, dispersant, thickener, levelling agent and film forming
Auxiliary agent, then under 300-400rpm rotating speeds, continue to disperse 25-35min to get water nano thermal-insulating external-wall coating.
Preferably, the viscosity of the water nano thermal-insulating external-wall coating is（30±2）s.
Compared with prior art, the present invention having following advantageous effect：
（1）The present invention is first modified processing using silane coupled coupling agent to nano phase ag_2 o and nano-titanium dioxide, then
It is mixed again with aqueous acrylic emulsion, since modified nano zine oxide, nano-titanium dioxide and aqueous acrylic emulsion have
Preferable compatibility can be dispersed in aqueous acrylic emulsion, so that coating has stronger heat-insulating capability, it can
Effectively reflection, the far and near infrared ray of scattering, ultraviolet light, and act synergistically with other components, give full play to various different materials
Barrier and reflection to the far and near infrared ray and ultraviolet light of different-waveband, near infrared ray and ultraviolet light to solar radiation have
Fine shield effectiveness can effectively realize the internal-external temperature difference heat transfer of coated base material, energy-saving heat-insulating heat insulation effect.
（2）The present invention is by adding modified Nano ATO slurries and nano pulp, it can be achieved that excellent with aqueous acrylic emulsion
Gesture is complementary, and the modified Nano ATO and nano pulp used is inorganic nanoparticles, can effectively penetrate into aqueous acrylic emulsion
In, reinforcement is carried out to it, meanwhile, these inorganic nanoparticles have the characteristics that thermal emissivity is high, can assign film radiativity
The advantages of coating, further increases the heat-insulating and energy-saving performance of film.
（3）The preparation process of the water nano thermal-insulating external-wall coating of the present invention is simple, industrialized production easy to implement.
To sum up, coating of the invention can effectively reflect thermal energy conduction, blocking radiant heat, prevent in infrared heat is transmitted to
Portion, the infrared ray and ultraviolet light effectively obstructed in sunlight penetrate wall, hence it is evident that reduce heat source and be transmitted to internal environment by wall
Thermal energy, low energy consumption, heat insulation and preservation effect is notable and service life is long, and preparation method is simple, suitable for mass producing and answering
With.
Specific implementation mode
Form by the following examples is described in further detail the above of the present invention again, but should not be by this
The range for being interpreted as the above-mentioned theme of the present invention is only limitted to following embodiment, all based on the technology realized belonging to the above of the present invention
It all belongs to the scope of the present invention.
Embodiment 1
A kind of water nano thermal-insulating external-wall coating, raw material include the component of following parts by weight：
35 parts of aqueous acrylic emulsion, 5 parts of nano zine oxide, 5 parts of modified Nano ATO slurries, 5 parts of nano pulp, nano-silica
Change 3 parts of titanium, 0.2 part of dispersant, 0.4 part of thickener, 0.2 part of levelling agent, 0.5 part of coalescents, 0.6 part of silane coupling agent, go
15 parts of ionized water.
Wherein, the aqueous acrylic emulsion is Styrene And Chloroalkyl Acrylates copolymer emulsion.
Wherein, it is 1 that the nano pulp, which is weight ratio,:1:1 nano oxidized cobalt liquor, nano oxidized ferrous solution and nanometer
The mixture of copper solution is aoxidized, and the solid content of nano pulp is 20-40%.
Wherein, the nano-titanium dioxide is the rutile type nano titanic oxide of grain size 20-50nm.
Wherein, the dispersant is non-ionic dispersing agent；The thickener is that non-ionic hydrophobic modified polyurethane is embedding
Section copolymer；The levelling agent is water-borne acrylate copolymer；The coalescents are ethylene glycol.
The present invention also provides the preparation methods of above-mentioned water nano thermal-insulating external-wall coating, include the following steps：
（1）By nano zine oxide, nano-titanium dioxide, 1/3 deionized water and silane coupling agent after mixing in 60 DEG C of water-baths
Back flow reaction 10h, is then cooled to room temperature, and product obtains silane coupler modified nano oxygen by centrifuging and washing
Change zinc and nano-titanium dioxide；
（2）Modified Nano ATO slurries and nano pulp are added sequentially in aqueous acrylic emulsion, in the rotating speed of 800rpm
Under, it is dispersed with stirring 10min, adds step（1）In modification nano zine oxide and nano-titanium dioxide, 500rpm turn
Speed is lower to stir 5min, then adds remaining deionized water, dispersant, thickener, levelling agent and coalescents, then
Under 300rpm rotating speeds, continue to disperse 25min to get water nano thermal-insulating external-wall coating.
Wherein, the viscosity of the water nano thermal-insulating external-wall coating is 28s.
Embodiment 2
A kind of water nano thermal-insulating external-wall coating, raw material include the component of following parts by weight：
50 parts of aqueous acrylic emulsion, 15 parts of nano zine oxide, 10 parts of modified Nano ATO slurries, 15 part, nanometer two of nano pulp
8 parts of titanium oxide, 0.5 part of dispersant, 0.8 part of thickener, 0.4 part of levelling agent, 0.5-2.5 parts of coalescents, silane coupling agent 1.6
Part, 25 parts of deionized water.
Wherein, the aqueous acrylic emulsion is pure acrylic acid polymerized emulsion.
Wherein, it is 1 that the nano pulp, which is weight ratio,:1:1 nano oxidized cobalt liquor, nano oxidized ferrous solution and nanometer
The mixture of copper solution is aoxidized, and the solid content of nano pulp is 20-40%.
Wherein, the nano-titanium dioxide is the rutile type nano titanic oxide of grain size 20-50nm.
Wherein, the dispersant is non-ionic dispersing agent；The thickener is that non-ionic hydrophobic modified polyurethane is embedding
Section copolymer；The levelling agent is water-borne acrylate copolymer；The coalescents are ethylene glycol diether.
The present invention also provides the preparation methods of above-mentioned water nano thermal-insulating external-wall coating, include the following steps：
（1）By nano zine oxide, nano-titanium dioxide, 1/3 deionized water and silane coupling agent after mixing in 60 DEG C of water-baths
Back flow reaction 14h, is then cooled to room temperature, and product obtains silane coupler modified nano oxygen by centrifuging and washing
Change zinc and nano-titanium dioxide；
（2）Modified Nano ATO slurries and nano pulp are added sequentially in aqueous acrylic emulsion, in the rotating speed of 900rpm
Under, it is dispersed with stirring 20min, adds step（1）In modification nano zine oxide and nano-titanium dioxide, 600rpm turn
Speed is lower to stir 10min, then adds remaining deionized water, dispersant, thickener, levelling agent and coalescents, then
Under 400rpm rotating speeds, continue to disperse 35min to get water nano thermal-insulating external-wall coating.
Preferably, the viscosity of the water nano thermal-insulating external-wall coating is 32s.
Embodiment 3
A kind of water nano thermal-insulating external-wall coating, raw material include the component of following parts by weight：
42 parts of aqueous acrylic emulsion, 10 parts of nano zine oxide, 7.5 parts of modified Nano ATO slurries, nano pulp 10 part, nanometer
5.5 parts of silica, 0.3 part of dispersant, 0.6 part of thickener, 0.3 part of levelling agent, 1.3 parts of coalescents, 1.1 parts of coupling agent,
20 parts of deionized water.
Wherein, the aqueous acrylic emulsion is organosilicon-acrylic acid copolymer emulsion.
Wherein, it is 1 that the nano pulp, which is weight ratio,:1:1 nano oxidized cobalt liquor, nano oxidized ferrous solution and nanometer
The mixture of copper solution is aoxidized, and the solid content of nano pulp is 20-40%.
Wherein, the nano-titanium dioxide is the rutile type nano titanic oxide of grain size 20-50nm.
Wherein, the dispersant is non-ionic dispersing agent；The thickener is that non-ionic hydrophobic modified polyurethane is embedding
Section copolymer；The levelling agent is water-borne acrylate copolymer；The coalescents are ethylene glycol diether.
The present invention also provides the preparation methods of above-mentioned water nano thermal-insulating external-wall coating, include the following steps：
（1）By nano zine oxide, nano-titanium dioxide, 1/3 deionized water and silane coupling agent after mixing in 60 DEG C of water-baths
Back flow reaction 12h, is then cooled to room temperature, and product obtains silane coupler modified nano oxygen by centrifuging and washing
Change zinc and nano-titanium dioxide；
（2）Modified Nano ATO slurries and nano pulp are added sequentially in aqueous acrylic emulsion, in the rotating speed of 850rpm
Under, it is dispersed with stirring 15min, adds step（1）In modification nano zine oxide and nano-titanium dioxide, 550rpm turn
Speed is lower to stir 7.5min, then adds remaining deionized water, dispersant, thickener, levelling agent and coalescents, then
Under 350rpm rotating speeds, continue to disperse 30min to get water nano thermal-insulating external-wall coating.
Preferably, the viscosity of the water nano thermal-insulating external-wall coating is 30s.
Embodiment 4
A kind of water nano thermal-insulating external-wall coating, raw material include the component of following parts by weight：
40 parts of aqueous acrylic emulsion, 12 parts of nano zine oxide, 6 parts of modified Nano ATO slurries, 7 parts of nano pulp, nano-silica
Change 7 parts of titanium, 0.4 part of dispersant, 0.5 part of thickener, 0.2 part of levelling agent, 2 parts of coalescents, 1 part of silane coupling agent, deionization
25 parts of water.
Wherein, the aqueous acrylic emulsion is Styrene And Chloroalkyl Acrylates copolymer emulsion.
Wherein, it is 1 that the nano pulp, which is weight ratio,:1:1 nano oxidized cobalt liquor, nano oxidized ferrous solution and nanometer
The mixture of copper solution is aoxidized, and the solid content of nano pulp is 20-40%.
Wherein, the nano-titanium dioxide is the rutile type nano titanic oxide of grain size 20-50nm.
Wherein, the dispersant is non-ionic dispersing agent；The thickener is that non-ionic hydrophobic modified polyurethane is embedding
Section copolymer；The levelling agent is water-borne acrylate copolymer；The coalescents are ethylene glycol or ethylene glycol diether.
The present invention also provides the preparation methods of above-mentioned water nano thermal-insulating external-wall coating, include the following steps：
（1）By nano zine oxide, nano-titanium dioxide, 1/3 deionized water and silane coupling agent after mixing in 60 DEG C of water-baths
Back flow reaction 11h, is then cooled to room temperature, and product obtains silane coupler modified nano oxygen by centrifuging and washing
Change zinc and nano-titanium dioxide；
（2）Modified Nano ATO slurries and nano pulp are added sequentially in aqueous acrylic emulsion, in the rotating speed of 900rpm
Under, it is dispersed with stirring 13min, adds step（1）In modification nano zine oxide and nano-titanium dioxide, 500rpm turn
Speed is lower to stir 6min, then adds remaining deionized water, dispersant, thickener, levelling agent and coalescents, then
Under 300rpm rotating speeds, continue to disperse 35min to get water nano thermal-insulating external-wall coating.
Wherein, the viscosity of the water nano thermal-insulating external-wall coating is 29s.
Embodiment 5
A kind of water nano thermal-insulating external-wall coating, raw material include the component of following parts by weight：
45 parts of aqueous acrylic emulsion, 7 parts of nano zine oxide, 9 parts of modified Nano ATO slurries, 7 parts of nano pulp, nano-silica
Change 4 parts of titanium, 0.3 part of dispersant, 0.5 part of thickener, 0.2 part of levelling agent, coalescents.5 parts, 1.2 parts of silane coupling agent, go from
22 parts of sub- water.
Wherein, the aqueous acrylic emulsion is organosilicon-acrylic acid copolymer emulsion.
Wherein, it is 1 that the nano pulp, which is weight ratio,:1:1 nano oxidized cobalt liquor, nano oxidized ferrous solution and nanometer
The mixture of copper solution is aoxidized, and the solid content of nano pulp is 20-40%.
Wherein, the nano-titanium dioxide is the rutile type nano titanic oxide of grain size 20-50nm.
Wherein, the dispersant is non-ionic dispersing agent；The thickener is that non-ionic hydrophobic modified polyurethane is embedding
Section copolymer；The levelling agent is water-borne acrylate copolymer；The coalescents are ethylene glycol.
The present invention also provides the preparation methods of above-mentioned water nano thermal-insulating external-wall coating, include the following steps：
（1）By nano zine oxide, nano-titanium dioxide, 1/3 deionized water and silane coupling agent after mixing in 60 DEG C of water-baths
Back flow reaction 13h, is then cooled to room temperature, and product obtains silane coupler modified nano oxygen by centrifuging and washing
Change zinc and nano-titanium dioxide；
（2）Modified Nano ATO slurries and nano pulp are added sequentially in aqueous acrylic emulsion, in the rotating speed of 880rpm
Under, it is dispersed with stirring 12min, adds step（1）In modification nano zine oxide and nano-titanium dioxide, 550rpm turn
Speed is lower to stir 8min, then adds remaining deionized water, dispersant, thickener, levelling agent and coalescents, then
Under 330rpm rotating speeds, continue to disperse 30min to get water nano thermal-insulating external-wall coating.
Wherein, the viscosity of the water nano thermal-insulating external-wall coating is 31s.
Experimental example
The coating of embodiment 1-5 is uniformly coated on glass surface with wet film maker, coating thickness is 80 μm, then to it
Parameters of film and optical property are tested, and the results are shown in Table 1.
1 performance test results of table
| Sample | Surface drying time | Ultraviolet ray transmissivity（%） | Infrared light transmission（%） | Sheltering coefficient Sc |
| Embodiment 1 | 18 | 5.5 | 6.5 | 0.65 |
| Embodiment 2 | 16 | 4.6 | 6.8 | 0.62 |
| Embodiment 3 | 14 | 4.2 | 5.6 | 0.56 |
| Embodiment 4 | 15 | 5.2 | 5.9 | 0.58 |
| Embodiment 5 | 17 | 5.0 | 6.3 | 0.60 |
| Comparative example | - | 58 | 62 | 0.96 |
Wherein, comparative example is blank glass.
As it can be seen from table 1 the surface drying time of the coating of the present invention is fast, and to the near infrared ray and ultraviolet light of solar radiation
There is fine shield effectiveness.
To sum up, coating of the invention can effectively reflect thermal energy conduction, blocking radiant heat, prevent in infrared heat is transmitted to
Portion, the infrared ray and ultraviolet light effectively obstructed in sunlight penetrate wall, hence it is evident that reduce heat source and be transmitted to internal environment by wall
Thermal energy, low energy consumption, heat insulation and preservation effect is notable and service life is long, and preparation method is simple, suitable for mass producing and answering
With.
It is merely a preferred embodiment of the present invention, is not intended to restrict the invention, although with reference to aforementioned implementation described in upper
Invention is explained in detail for example, for those skilled in the art, still can be to foregoing embodiments
Recorded technical solution is modified or equivalent replacement of some of the technical features.All spirit in the present invention
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of water nano thermal-insulating external-wall coating, which is characterized in that its raw material includes the component of following parts by weight：
35-50 parts of aqueous acrylic emulsion, 5-15 parts of nano zine oxide, 5-10 parts of modified Nano ATO slurries, nano pulp 5-15
Part, 3-8 parts of nano-titanium dioxide, 0.2-0.5 parts of dispersant, 0.4-0.8 parts of thickener, 0.2-0.4 parts of levelling agent, coalescents
0.5-2.5 parts, 0.6-1.6 parts of silane coupling agent, 15-25 parts of deionized water.
2. water nano thermal-insulating external-wall coating according to claim 1, which is characterized in that its raw material includes following parts by weight
Component：42 parts of aqueous acrylic emulsion, 7.5 parts of modified Nano ATO slurries, 10 parts of nano pulp, is received 10 parts of nano zine oxide
5.5 parts of silica of rice, 0.3 part of dispersant, 0.6 part of thickener, 0.3 part of levelling agent, 1.3 parts of coalescents, coupling agent 1.1
Part, 20 parts of deionized water.
3. water nano thermal-insulating external-wall coating according to claim 1, the aqueous acrylic emulsion is styrene-propene
Sour copolymer emulsion, pure acrylic acid polymerized emulsion or organosilicon-acrylic acid copolymer emulsion.
4. water nano thermal-insulating external-wall coating according to claim 1, the nano pulp is that weight ratio is 1:1:1 receives
The mixture of rice oxidation cobalt liquor, nano oxidized ferrous solution and nano oxidized copper solution, and the solid content of nano pulp is 20-
40%。
5. water nano thermal-insulating external-wall coating according to claim 1, the nano-titanium dioxide is grain size 20-50nm's
Rutile type nano titanic oxide.
6. water nano thermal-insulating external-wall coating according to claim 1, the dispersant is non-ionic dispersing agent；It is described
Thickener is non-ionic hydrophobic modified polyurethane block copolymer；The levelling agent is water-borne acrylate copolymer；It is described
Coalescents are ethylene glycol or ethylene glycol diether.
7. according to the preparation method of claim 1-6 any one of them water nano thermal-insulating external-wall coatings, which is characterized in that packet
Include following steps：
（1）By nano zine oxide, nano-titanium dioxide, 1/3 deionized water and silane coupling agent after mixing in 60 DEG C of water-baths
Back flow reaction 10-14h, is then cooled to room temperature, and product obtains silane coupler modified nanometer by centrifuging and washing
Zinc oxide and nano-titanium dioxide；
（2）Modified Nano ATO slurries and nano pulp are added sequentially in aqueous acrylic emulsion, in turning for 800-900rpm
Under speed, it is dispersed with stirring 10-20min, adds step（1）In modification nano zine oxide and nano-titanium dioxide, in 500-
5-10min is stirred under the rotating speed of 600rpm, then adds remaining deionized water, dispersant, thickener, levelling agent and film forming
Auxiliary agent, then under 300-400rpm rotating speeds, continue to disperse 25-35min to get water nano thermal-insulating external-wall coating.
8. the preparation method of water nano thermal-insulating external-wall coating according to claim 7, which is characterized in that described aqueous to receive
Rice thermal-insulating external-wall coating viscosity be（30±2）s.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114523528A (en) * | 2022-03-17 | 2022-05-24 | 苏州昆仑绿建木结构科技股份有限公司 | Ultraviolet-resistant and super-hydrophobic laminated wood and preparation method thereof |
| CN114773893A (en) * | 2022-04-25 | 2022-07-22 | 安徽省建筑科学研究设计院 | Preparation method of infrared reflection emulsion with surface modified colloidal particles |
| CN115141523A (en) * | 2022-07-05 | 2022-10-04 | 江苏菲华至宁高新材料科技有限公司 | Novel aqueous nano heat-preservation heat-insulation reflective coating and preparation method thereof |
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| CN101665648A (en) * | 2009-09-29 | 2010-03-10 | 武汉理工大学 | Preparation method of heat-reflecting insulation coating |
| CN104710883A (en) * | 2015-03-23 | 2015-06-17 | 苏州市神龙门窗有限公司 | Transparent coating for glass window and door and preparation method of transparent coating |
| CN106167657A (en) * | 2015-05-22 | 2016-11-30 | 刘生金 | A kind of aqueous glass transparent reflective heat-insulating coating and preparation method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101665648A (en) * | 2009-09-29 | 2010-03-10 | 武汉理工大学 | Preparation method of heat-reflecting insulation coating |
| CN104710883A (en) * | 2015-03-23 | 2015-06-17 | 苏州市神龙门窗有限公司 | Transparent coating for glass window and door and preparation method of transparent coating |
| CN106167657A (en) * | 2015-05-22 | 2016-11-30 | 刘生金 | A kind of aqueous glass transparent reflective heat-insulating coating and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114523528A (en) * | 2022-03-17 | 2022-05-24 | 苏州昆仑绿建木结构科技股份有限公司 | Ultraviolet-resistant and super-hydrophobic laminated wood and preparation method thereof |
| CN114773893A (en) * | 2022-04-25 | 2022-07-22 | 安徽省建筑科学研究设计院 | Preparation method of infrared reflection emulsion with surface modified colloidal particles |
| CN115141523A (en) * | 2022-07-05 | 2022-10-04 | 江苏菲华至宁高新材料科技有限公司 | Novel aqueous nano heat-preservation heat-insulation reflective coating and preparation method thereof |
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Application publication date: 20180928 |