CN104985891B - A kind of energy-efficient heat shielding cooling anticorrosion coating material - Google Patents
A kind of energy-efficient heat shielding cooling anticorrosion coating material Download PDFInfo
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- CN104985891B CN104985891B CN201310566201.3A CN201310566201A CN104985891B CN 104985891 B CN104985891 B CN 104985891B CN 201310566201 A CN201310566201 A CN 201310566201A CN 104985891 B CN104985891 B CN 104985891B
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Abstract
The present invention relates to a kind of energy-efficient heat shielding cooling anticorrosion coating materials, the 3-layer composite material being made of anti-corrosion bottom, heat insulation middle layer, heat radiation surface layer, anti-corrosion bottom is epoxy zinc-rich paint, and heat insulation middle layer is 35 50 by weight by three component coating and curing agent：1 is formed, and heat radiation surface layer is using polyurethane resin as the composite cover of film forming matter.Compared with prior art, the present invention has the advantages that integrate anti-corrosion, heat rejection, heat reflection and heat radiation.
Description
Technical field
The present invention relates to a kind of anticorrosion coating material and preparation method thereof, more particularly, to a kind of energy-efficient heat shielding
Cooling anticorrosion coating material and preparation method thereof.
Background technology
Cause the surface temperatures such as building, industrial equipment, means of transport excessively high to industrial production and people by sun heat radiation
Daily life bring problems and inconvenience.And on the other hand, oil product storage tank, Thermal Equipment, winter building etc. are mostly
In compared with the higher temperature of environment, heat loss is present in throughout the year in these objects, consumes the substantial amounts of energy.Therefore, it is heat-insulated
The research of thermal insulation coatings has great economic benefit and social benefit with application.That studies a kind of feature of environmental protection has heat-insulation and heat-preservation
The energy-saving coating of function is the target that coating industry is pursued always.For this purpose, oneself has multinomial patent application, such as Chinese patent
" the solar heat intelligent temperature control coating " of CN1621459, " a kind of solar heat reflecting and heat insulating coating " of CN1583908,
" radioresistant insulating water paint " of CN1249321A, in these coating or exist can reflected wavelength range have limitation, thermal insulation separation
There is the reflectivity deficiency to visible ray and infrared light, for far infrared in the defects of thermal effect deficiency, film are elastic slightly worse
Without high reflectivity or in the presence of that can only be prepared into white coating, then there are the weakness such as heat insulation difference for other color varieties.
Silicon magnesium aluminium composite thermo-insulating coating described in Chinese patent CN1105090A is made of simaldrate nitride with adhesive, is a kind of painting
It is that thermal conductivity factor is low to be brushed in the characteristics of adiabatic coating in pipeline, equipment, this coating, is mainly used as keeping the temperature, but coating layer thickness
More than 2.5mm, which need to be reached, just has certain heat insulation and preservation effect；Heat insulating coatings described in Chinese patent CN1106051A
Production method is：Using into pulp material, light filler, binding agent and water, but its coating layer thickness just has significantly in more than 3.8mm
Heat insulation effect is a kind of thermal insulation coatings of thick matter type.
The content of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of collection anti-corrosion, thermal resistances
Cool down anticorrosion coating material in the energy-efficient heat shielding of one every, heat reflection and heat radiation.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of energy-efficient heat shielding cooling anticorrosion coating material, is by anti-corrosion bottom, heat insulation middle layer, heat radiation surface layer structure
Into 3-layer composite material,
The anti-corrosion bottom is epoxy zinc-rich paint,
The heat insulation middle layer is 35-50 by weight by three component coating and curing agent：1 is formed,
The heat radiation surface layer is using polyurethane resin as the composite cover of film forming matter.
Three component coating of the heat insulation middle layer include following components and parts by weight content：
Component A：Epoxy resin 100, additive 50-120, rust resisting pigment 8-25,
B component：Nanoporous substance 100-200, glass microballoon 20-30,
Component C：Mixed solvent 40-70.
The epoxy resin is plain edition epoxy resin or modified epoxy, and the additive is filled out selected from constitution
One or more of material, surfactant, levelling agent or coupling agent, the mixed solvent for benzene class, alcohols, esters and its
The mixture of the three of derivative or the wherein mixture of the two, the curing agent are amine curing agent.
The plain edition epoxy resin be bisphenol-A liquid epoxy resin or bisphenol A-type solid epoxy, it is described
Bisphenol-A liquid epoxy resin include commercially available E-55, E-51 or E-44 bisphenol-A liquid epoxy resin, the bisphenol-A
Type solid epoxy includes commercially available E-42, E-35, E-31, E-20, E-12, E-06 or E-03 bisphenol A-type solids epoxy tree
Fat,
The constitution filler include blanc fixe, blanc fixe, precipitated calcium carbonate, talcum powder, china clay, mica powder,
Flake asbestos, silica flour, magnesium carbonate, titanium dioxide, zinc oxide or zinc sulphide,
The surfactant include neopelex, long-chain polyamino phthalein amine phosphate, bunching acid sodium-salt,
Octadecane acid amide ethyl, dimethyl, beta-hydroxyethyl amine trinitrate, octadecane acid amide propyl or dimethyl beta-hydroxyethyl press three phosphorus
Acid dihydride salt,
The levelling agent is polyester organosilicon,
The coupling agent includes vinyl silanes, methacrylic acid oxysilane, amino silane or hydrocarbyl si lanes,
The mixed solvent is that volume ratio is 2-5：1 dimethylbenzene and the mixed solvent of n-butanol, volume ratio 1.5-
4：1 toluene and the mixed solvent of isopropanol, volume ratio 1.5-3：2-3：The mixing of the toluene of 1-2, methanol and ethyl acetate
Solvent, volume ratio 2-5：Mixed solvent, the volume ratio 3-6 that 1 toluene is with n-butanol：1 dimethylbenzene and isobutanol
Mixed solvent, volume ratio 2-4：1-3：1 ethyl acetate, the mixed solvent of toluene and n-butanol or volume ratio are 2-5: 1
The mixed solvent of toluene and isobutanol,
The amine curing agent is ethylenediamine, triethylenetetramine, polyamide, diethyl amino propylamine or modified amine cure
Agent, the modified amine curing agent include one hexamethylene diamine condensation product of phenolic aldehyde, one diethylentriamine addition of epoxy propane butyl ether
The amido addition product of object, mono- aminoethyl croak throats of N or diketone propylene phthalein amine.
The rust resisting pigment is aluminium powder, glass flake, graphite, micaceous iron oxide, trbasic zinc phosphate, aluminium triphosphate, trimerization
Titanium phosphate and chromium zinc yellow, zinc tetroxy chromate, strontium chromate or organo-chromate,
The nanoporous substance is nano-aluminium oxide, nanometer di-iron trioxide, nano zircite or nanometer
Titanium dioxide.
The heat radiation surface layer uses the raw material of following components and parts by weight content：
Polyurethane resin 30-50, modified heat-insulated silicate cavity filling 5-10, sunlight reflective pigments 5-15, modification
Heat-insulated TiO2Filler 5-10, far-infrared radiation ceramic filler 5-10, glass microballoon 5-10, zinc oxide nano meter level micro mist 1-2, delustring
Agent 2-6, wetting dispersing agent 1-4, solvent 15-20, filler 5-10.
The heat-insulated silicate cavity filling of the modification is micro- for surface modification hollow silicon dioxide-alundum (Al2O3) structure
Ball improves its infrared reflective and the dispersiveness in different substrate materials, has heat-insulated and heat-insulating property,
The sunlight reflective pigments include white pigment titanium dioxide, yellow uitramarine nickel antimony titanium compound or brown
Pigment siderochrome titanium compound, the sun light reflectivity of each pigment are：White pigment 75%, yellow uitramarine 71%,
The heat-insulated TiO of the modification2Filler is TiO2Glass microballoon material is coated,
The far-infrared radiation ceramic filler is to contain alundum (Al2O3), magnesia, zinc oxide, silica, dioxy
Change the ceramic powder of chromium or titanium dioxide metal oxide composition,
The solvent is toluene, methanol, ethyl alcohol, n-butanol or ethyl acetate.
The filler is selected from one or more of zinc oxide, talcum powder, calcium carbonate, wollastonite in powder or mica powder.
The heat-insulated TiO of the modification2Filler is prepared using following methods：Glass microballoon is added in distilled water, is added
Enter amount for 1g glass microballoons/10g distilled water, 1% surfactant sodium dodecyl base benzene sulfonic acid sodium salt is added dropwise, with magnetic force thermostatic mixer
It is uniformly mixed solution and controls temperature, titanium sulfate solution is slowly added dropwise, with the pH value of ammonium hydroxide maintenance system always, reaction continues
6h, it is 7 to be washed to pH value, is obtained after drying in 600 DEG C of calcinings.
The anti-corrosion bottom, heat insulation middle layer, the thickness ratio of heat radiation surface layer are 1：4：0.8.
The anti-corrosion bottom, heat insulation middle layer, the overall thickness of heat radiation surface layer are 0.4-0.8mm.
Compared with prior art, the present invention overcomes the shortcomings that existing heat insulating coatings coating, increases by one for insulating moulding coating
Kind good heat-insulation effect, thermal conductivity factor is low, the new varieties of heat-insulation and heat-preservation heavy antisepsis, can be in the steel-structure roof and glass curtain of construction industry
Wall；Offshore drilling platform, oil tank, the petroleum pipeline of petroleum industry；Automobile, train, the aircraft surfaces of transport service；Shipbuilding industry
Shell, deck；And tank, warship, rocket, spaceship etc., prevention heat transfer is played, to reduce exposed to sun heat radiation
The surface temperature and interior environment temperature of lower equipment improve working environment, improve the effect of security.
The coating structure of metal protective coating is all divided into two parts substantially, respectively acts the primary coat bonded with anti-rust action
Layer and anti-aging and decoration function finishing coat.In order to ensure integrality, the function of metal equipment coating under severe conditions
Property and working life, realize temperature with high efficiency, corrosion-resistant purpose, pass through the antiseptic property of the protective coating to different structure, cooling
Performance, Stealth Fighter are tested, devise integrate anti-corrosion, heat rejection, heat reflection and the camouflage color of heat radiation cooling it is compound
Coating structure specifically includes advantages below：
(1) coating is made of three-decker, each serves as different effects, and bottom mainly plays closing, anti-rust action, middle level
Mainly rise heat-insulated, insulation effect, surface layer mainly plays sunlight and infrared light reflection, moreover it is possible to play the guarantor of delayed reflex attenuation
Shield acts on, and three layers of synergistic effect makes the coating have the characteristics of heat-insulated, heat preservation, stain resistance is good, and service life is long；
(2) in the prior art, heat insulating coat is generally made of the single object of hollow beads, is then employed in the present invention a variety of
The compound of function powder material include the use of the powder body material with solar reflecting properties and far infrared reflecting property,
The hollow powder body material of low thermal conductivity and the pigment with solar reflecting properties, therefore, middle level of the invention and surface layer are except tool
Have outside heat preservation and insulation, also have very strong heat reflection performance, with ensure coating it is relatively thin (overall thickness be less than or equal to 0.6 milli
Rice) in the case of remain to keep good heat insulation property；
(3) due to being with the addition of ceramic packing and heat-insulated silicate sky with infrared antiradiation effect in coating components
Heart filler and the reflexive pigment of sunlight, are effectively improved the heat insulation and preservation effect of the coating, accomplish that coating layer thickness exists
300um or so has very significant heat insulation；
(4) due to being with the addition of modified heat-insulated TiO in coating components2Filler.Glass microballoon as a kind of filler it is original it
Be in it be hollow ball shape, density is small and thermal conductivity factor is small, using its hollow thermal conductivity factor it is small the characteristics of, enhance coating every
Hot property.In addition, after coating drying, hollow beads close-packed arrays get up, and form a complete hollow separation layer, have good
Heat insulation, in the attached last layer TiO in cenosphere surface2Film, due to TiO2Sun luminous reflectance it is high, enhance its reflection
Solar radiation and the ability for preventing heat transfer, and then heat-insulated purpose.Collect energy saving, sound insulation, heat-insulation and heat-preservation multiple functions in
All over the body.
(5) the film model of coating of the present invention, sun luminous reflectance：0.8.；Hemispherical emissivity：0.85；Near-infrared
Luminous reflectance：0.8.Coating layer thickness is the model babinet of 0.5mm, and the temperature difference with blank control babinet is up to 6 DEG C or more.
Description of the drawings
Fig. 1 is the present invention coated in the structure diagram on matrix.
In figure, 1 it is matrix, 2 is anti-corrosion bottom, 3 is heat insulation middle layer, 4 is heat radiation surface layer.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
A kind of energy-efficient heat shielding cooling anticorrosion coating material, coated in the structure on matrix 1 as shown in Figure 1, being anti-
The 3-layer composite material that rotten bottom 2, heat insulation middle layer 3, heat radiation surface layer 4 are formed.The ratio between each layer thickness is bottom：Middle level：Surface layer
For 1：4：0.8, three layer coating total thickness of the present invention is 0.4-0.8mm.
The bottom of the present invention is epoxy zinc-rich paint compared with metallic matrix, such as the production of Jiangsu Orton chemistry painting industry Co., Ltd
The inorganic epoxy zinc rich primer H06-4 of product, such as the product alkali-resistant sealing primer H53-51 of Jiangsu Orton chemistry painting industry Co., Ltd.
The component of heat insulation middle layer includes consisting of and parts by weight content：
1 epoxy resin E-44 35
2 iron oxide reds 20
3 micaceous iron oxides 20
4 talcum powder 5
5 barium sulfate 8
6 aluminum pastes 1
7 organobentonites 1
8 mixed solvents 10
Mixed solvent is dimethylbenzene：N-butanol by volume 3：1 solvent being mixed to get.
The component of heat radiation surface layer includes consisting of and parts by weight content：
The specific production technology of middle heat insulation middle layer of coating of the present invention is：After feedstock analysis chemical examination is qualified, weighed by formula mixed
Bonding solvent, epoxy resin are put into Scattered Kettle, until epoxy resin dissolves, by additive, rust resisting pigment, nano-ceramic powder, glass
Glass microballon is added in mixed solution, is stirred in homogenizer, is disperseed.Gained mixed serum is put into sand mill, is adjusted
Sand mill optimum speed is saved, when grinding 48 is small, the examination and test of products is carried out, can be filtered and packaged after qualified.
The production method of the heat radiation surface layer of coating of the present invention is as follows：By the 1st~5th kind of component in example and dispersant,
Antifoaming agent etc. is mixed, then color stuffing and antiradiation powder, the heat-insulated powder in part are added in, and paste is dissipated into high speed dispersor
The ground machine of paste is ground to certain fineness, then through high speed dispersor, adds a variety of lotions, part is heat-insulated, defoams by shape
Agent, levelling agent, thickener.Stir evenly, energy-efficient heat shielding cooling anticorrosive paint of the present invention.
The anticorrosive paint being prepared is detected by HG/T4341-2012 metal surfaces with heat-reflecting insulating coating
Reach following index after testing：
Appearance of film：Film is normal
Object content/% is not waved：51
Drying time/h：
Surface drying：4
It does solid work：24
Impact resistance/cm：50
Adhesive force (pulling open method)/mpa：3
Water resistance (48h)：Film is without exception
Acid resistance (168h)：Film is without exception
Alkali resistance (168h)：Film is without exception
Salt fog resistance 720h)：Film is without exception
Sun luminous reflectance：0.8
Hemispherical emissivity：0.85
Near infrared light reflectivity：0.8
Embodiment 2
A kind of energy-efficient heat shielding cooling anticorrosion coating material, is by anti-corrosion bottom, heat insulation middle layer, heat radiation surface layer structure
Into 3-layer composite material, anti-corrosion bottom, heat insulation middle layer, the thickness ratio of heat radiation surface layer be 1: 4：0.8.It is anti-corrosion bottom, heat-insulated
Middle level, the overall thickness of heat radiation surface layer are 0.4mm.Anti-corrosion bottom is epoxy zinc-rich paint, heat insulation middle layer by three component coating and
Curing agent is 35 by weight：1 is formed, and heat radiation surface layer is using polyurethane resin as the composite cover of film forming matter.
Wherein, three component coating of heat insulation middle layer include following components and parts by weight content：
Component A：Epoxy resin 100, additive 50, rust resisting pigment 8,
B component：Nanoporous substance 100, glass microballoon 20,
Component C：Mixed solvent 40.
Epoxy resin be commercially available bisphenol-A liquid epoxy resin, additive be barite powder matter filler, mixed solvent
For dimethylbenzene：N-butanol is 2：1 mixture, curing agent use ethylenediamine.
The heat radiation surface layer uses the raw material of following components and parts by weight content：Polyurethane resin 30, modification are heat-insulated
Silicate cavity filling 5, sunlight reflective pigments 5, modified heat-insulated TiO2Filler 5, far-infrared radiation ceramic filler 5, glass
Microballon 5, zinc oxide nano meter level micro mist 1, delustering agent 2, wetting dispersing agent 1, solvent toluene 15, filler 5.
Modified heat-insulated silicate cavity filling is modified hollow silicon dioxide-alundum (Al2O3) structure microspheres for surface, improves
Its infrared reflective and the dispersiveness in different substrate materials, have heat-insulated and heat-insulating property, and sunlight reflective pigments include white
Color pigmentary titanium dioxide, yellow uitramarine nickel antimony titanium compound or brown siderochrome titanium compound, the sun light reflection of each pigment
Rate is：White pigment 75%, yellow uitramarine 71%, modified heat-insulated TiO2Filler is TiO2Coat glass microballoon material, Far-infrared spoke
Ceramic packing is penetrated as the ceramic powder containing alundum (Al2O3), filler is zinc oxide.
Modified heat-insulated TiO2Filler is prepared using following methods：Glass microballoon is added in distilled water, addition is
1g glass microballoons/10g distilled water are added dropwise 1% surfactant sodium dodecyl base benzene sulfonic acid sodium salt, make solution with magnetic force thermostatic mixer
It is uniformly mixed and controls temperature, titanium sulfate solution is slowly added dropwise, with the pH value of ammonium hydroxide maintenance system always, react and continue 6h, water
It is 7 to be washed till pH value, is obtained after drying in 600 DEG C of calcinings.
Reach following index after testing：
Appearance of film：Film is normal
Object content/% >=50 are not waved
Drying time/h：
Surface drying≤4
Do solid work≤24
Impact resistance/cm：50
Adhesive force (pulling open method)/mpa >=3
Water resistance (48h)：Film is without exception
Acid resistance (168h)：Film is without exception
Alkali resistance (168h)：Film is without exception
Salt fog resistance 720h)：Film is without exception
Sun luminous reflectance：0.8
Hemispherical emissivity：0.85
Near infrared light reflectivity：0.8
Embodiment 3
A kind of energy-efficient heat shielding cooling anticorrosion coating material, is by anti-corrosion bottom, heat insulation middle layer, heat radiation surface layer structure
Into 3-layer composite material, anti-corrosion bottom, heat insulation middle layer, the thickness ratio of heat radiation surface layer be 1：4：0.8.It is anti-corrosion bottom, heat-insulated
Middle level, the overall thickness of heat radiation surface layer are 0.6mm.
Anti-corrosion bottom is epoxy zinc-rich paint, and heat insulation middle layer is 40 by weight by three component coating and curing agent：1 structure
Into heat radiation surface layer is using polyurethane resin as the composite cover of film forming matter.
Three component coating of heat insulation middle layer include following components and parts by weight content：
Component A：Epoxy resin 100, additive 80, rust resisting pigment 20,
B component：Nanoporous substance 150, glass microballoon 25,
Component C：Mixed solvent 60.
Epoxy resin be commercially available E-55 bisphenol-A liquid epoxy resins, additive for constitution filler, surfactant,
Levelling agent, coupling agent, constitution filler is blanc fixe, surfactant is neopelex, levelling agent is polyester
Organosilicon, coupling agent are methacrylic acid oxysilane, and mixed solvent is toluene：Methanol：Ethyl acetate is 1.5 by volume：
3：The mixed solvent of 1 composition, curing agent is triethylenetetramine.
The heat radiation surface layer uses the raw material of following components and parts by weight content：
Polyurethane resin 40, modified heat-insulated silicate cavity filling 8, sunlight reflective pigments 10, modified heat-insulated TiO2
It is filler 8, far-infrared radiation ceramic filler 8, glass microballoon 8, zinc oxide nano meter level micro mist 1, delustering agent 4, wetting dispersing agent 3, molten
Agent ethyl alcohol 18, filler 51.
Modified heat-insulated silicate cavity filling is modified hollow silicon dioxide-alundum (Al2O3) structure microspheres for surface, improves
Its infrared reflective and the dispersiveness in different substrate materials, have heat-insulated and heat-insulating property, and sunlight reflective pigments include white
Color pigmentary titanium dioxide, yellow uitramarine nickel antimony titanium compound or brown siderochrome titanium compound, the sun light reflection of each pigment
Rate is: white pigment 75%, yellow uitramarine 71%, modified heat-insulated TiO2Filler is TiO2Coat glass microballoon material, Far-infrared spoke
Ceramic packing is penetrated as the ceramic powder containing magnesia, filler is wollastonite in powder, mica powder.
The heat-insulated TiO of the modification2Filler is prepared using following methods：Glass microballoon is added in distilled water, is added
Enter amount for 1g glass microballoons/10g distilled water, 1% surfactant sodium dodecyl base benzene sulfonic acid sodium salt is added dropwise, with magnetic force thermostatic mixer
It is uniformly mixed solution and controls temperature, titanium sulfate solution is slowly added dropwise, with the pH value of ammonium hydroxide maintenance system always, reaction continues
6h, it is 7 to be washed to pH value, is obtained after drying in 600 DEG C of calcinings.
Reach following index after testing：
Appearance of film：Film is normal
Object content/% is not waved：50
Drying time/h：
Surface drying：4
It does solid work：24
Impact resistance/cm：50
Adhesive force (pulling open method)/mpa >=3
Water resistance (48h)：Film is without exception
Acid resistance (168h)：Film is without exception
Alkali resistance (168h)：Film is without exception
Salt fog resistance 720h)：Film is without exception
Sun luminous reflectance：0.81
Hemispherical emissivity：0.85
Near infrared light reflectivity：0.8
Embodiment 4
A kind of energy-efficient heat shielding cooling anticorrosion coating material, is by anti-corrosion bottom, heat insulation middle layer, heat radiation surface layer structure
Into 3-layer composite material, anti-corrosion bottom, heat insulation middle layer, the thickness ratio of heat radiation surface layer be 1：4：0.8.It is anti-corrosion bottom, heat-insulated
Middle level, the overall thickness of heat radiation surface layer are 0.8mm.
Anti-corrosion bottom is epoxy zinc-rich paint, and heat insulation middle layer is 50: 1 structures by weight by three component coating and curing agent
Into heat radiation surface layer is that the three component coating using polyurethane resin as the composite cover heat insulation middle layer of film forming matter are included with the following group
Point and parts by weight content：
Component A：Epoxy resin 100, additive 120, rust resisting pigment 25,
B component：Nanoporous substance 200, glass microballoon 30,
Component C：Mixed solvent 70.
Epoxy resin be commercially available E-35 bisphenol-A liquid epoxy resins, additive for constitution filler, surfactant,
Levelling agent, coupling agent, constitution filler is blanc fixe, surfactant is neopelex, levelling agent is polyester
Organosilicon, coupling agent are methacrylic acid oxysilane, and mixed solvent is toluene: methanol：Ethyl acetate is 1.5 by volume：
3：The mixed solvent of 1 composition, curing agent is triethylenetetramine.
Heat radiation surface layer uses the raw material of following components and parts by weight content：
Polyurethane resin 50, modified heat-insulated silicate cavity filling 10, sunlight reflective pigments 15, modified heat-insulated TiO2
Filler 10, far-infrared radiation ceramic filler 10, glass microballoon 10, zinc oxide nano meter level micro mist 2, delustering agent 6, wetting dispersing agent 4,
Solvent, n-butanol 20, filler 10.
Modified heat-insulated silicate cavity filling is modified hollow silicon dioxide-alundum (Al2O3) structure microspheres for surface, improves
Its infrared reflective and the dispersiveness in different substrate materials, have heat-insulated and heat-insulating property, and sunlight reflective pigments include white
Color pigmentary titanium dioxide, yellow uitramarine nickel antimony titanium compound or brown siderochrome titanium compound, the sun light reflection of each pigment
Rate is: white pigment 75%, yellow uitramarine 71%, modified heat-insulated TiO2Filler is TiO2Coat glass microballoon material, Far-infrared spoke
Ceramic packing is penetrated as the ceramic powder containing silica, chromium dioxide composition, filler is talcum powder.
Modified heat-insulated TiO2Filler is prepared using following methods：Glass microballoon is added in distilled water, addition is
1g glass microballoons/10g distilled water are added dropwise 1% surfactant sodium dodecyl base benzene sulfonic acid sodium salt, make solution with magnetic force thermostatic mixer
It is uniformly mixed and controls temperature, titanium sulfate solution is slowly added dropwise, with the pH value of ammonium hydroxide maintenance system always, react and continue 6h, water
It is 7 to be washed till pH value, is obtained after drying in 600 DEG C of calcinings.
Reach following index after testing：
Appearance of film：Film is normal
Object content/% >=50 are not waved
Drying time/h：
Surface drying≤4
Do solid work≤24
Impact resistance/cm：50
Adhesive force (pulling open method)/mpa >=3
Water resistance (48h)：Film is without exception
Acid resistance (168h)：Film is without exception
Alkali resistance (168h)：Film is without exception
Salt fog resistance 720h)：Film is without exception
Sun luminous reflectance：0.8
Hemispherical emissivity：0.85
Near infrared light reflectivity：0.8
Coating of the present invention can be applied over the steel-structure roof and glass curtain wall of construction industry；The offshore drilling of petroleum industry is put down
Platform, oil tank, petroleum pipeline；Automobile, train, the aircraft surfaces of transport service；The shell of shipbuilding industry, deck；And tank, army
Warship, rocket, spaceship etc. play prevention heat transfer, to reduce the surface temperature equipped under the sun heat radiation and interior
Portion's environment temperature improves working environment, improves the effect of security.
Claims (8)
1. a kind of energy saving heat shielding cooling anticorrosion coating material, which is characterized in that the material be by anti-corrosion bottom, heat insulation middle layer,
The 3-layer composite material that heat radiation surface layer is formed,
The anti-corrosion bottom is epoxy zinc-rich paint,
The heat insulation middle layer is made of three component coating and curing agent by weight for 35-50 ︰ 1,
The heat radiation surface layer is using polyurethane resin as the composite cover of film forming matter；
Three component coating of the heat insulation middle layer include following components and parts by weight content：
Component A：Epoxy resin 100, additive 50-120, rust resisting pigment 8-25,
B component：Nanoporous substance 100-200, glass microballoon 20-30,
Component C：Mixed solvent 40-70；
The heat radiation surface layer is made of the raw material of following components and parts by weight content：
Polyurethane resin 30-50, modified heat-insulated silicate cavity filling 5-10, sunlight reflective pigments 5-15, modification are heat-insulated
TiO2Filler 5-10, far-infrared radiation ceramic filler 5-10, glass microballoon 5-10, zinc oxide nano meter level micro mist 1-2, delustering agent 2-
6th, wetting dispersing agent 1-4, solvent 15-20, filler 5-10, the filler be selected from zinc oxide, talcum powder, calcium carbonate, wollastonite in powder or
One or more of mica powder.
A kind of 2. energy saving heat shielding cooling anticorrosion coating material according to claim 1, which is characterized in that the epoxy
Resin is plain edition epoxy resin or modified epoxy, and the additive is selected from constitution filler, surfactant, levelling agent
Or one or more of coupling agent, the mixed solvent are the mixture of the three of benzene class, alcohols, esters and its derivative
Or wherein the mixture of the two, the curing agent are amine curing agent.
3. a kind of energy saving heat shielding cooling anticorrosion coating material according to claim 2, which is characterized in that
The plain edition epoxy resin is bisphenol-A liquid epoxy resin or bisphenol A-type solid epoxy, and described is double
Phenol A types liquid epoxies includes commercially available E-55, E-51 or E-44 bisphenol-A liquid epoxy resin, and the bisphenol A-type is consolidated
Body epoxy resin includes commercially available E-42, E-35, E-31, E-20, E-12, E-06 or E-03 bisphenol A-type solid epoxy,
The constitution filler includes blanc fixe, blanc fixe, precipitated calcium carbonate, talcum powder, china clay, mica powder, asbestos
Powder, silica flour, magnesium carbonate, titanium dioxide, zinc oxide or zinc sulphide,
The surfactant includes neopelex, long-chain polyamino phthalein amine phosphate, bunching acid sodium-salt, 18
Alkanoic acid amine ethyl, dimethyl-beta-hydroxyethyl amine trinitrate, octadecane acid amide propyl or dimethyl-beta-hydroxyethyl press triphosphoric acid
Dihydric salt,
The levelling agent is polyester organosilicon,
The coupling agent includes vinyl silanes, methacrylic acid oxysilane, amino silane or hydrocarbyl si lanes,
The mixed solvent is that volume ratio is 2-5:1 dimethylbenzene and the mixed solvent of n-butanol, volume ratio 1.5-4:1
The mixed solvent of toluene and isopropanol, volume ratio 1.5-3:2-3:The toluene of 1-2, the mixed solvent of methanol and ethyl acetate,
Volume ratio is 2-5:Mixed solvent, the volume ratio 3-6 that 1 toluene is with n-butanol:The mixing of 1 dimethylbenzene and isobutanol is molten
Agent, volume ratio 2-4:1-3:1 ethyl acetate, the mixed solvent of toluene and n-butanol or volume ratio are 2-5:1 toluene with
The mixed solvent of isobutanol,
The amine curing agent be ethylenediamine, triethylenetetramine, polyamide, diethyl amino propylamine or modified amine curing agent,
The modified amine curing agent includes one hexamethylene diamine condensation product of phenolic aldehyde, one diethylentriamine addition product of epoxy propane butyl ether, N
The amido addition product of one aminoethyl croak throat or diketone propylene phthalein amine.
4. a kind of energy saving heat shielding cooling anticorrosion coating material according to claim 1, which is characterized in that
The rust resisting pigment is aluminium powder, glass flake, graphite, micaceous iron oxide, trbasic zinc phosphate, aluminium triphosphate, tripolyphosphate
Titanium and chromium zinc yellow, zinc tetroxy chromate, strontium chromate or organo-chromate,
The nanoporous substance is nano-aluminium oxide, nanometer di-iron trioxide, nano zircite or nano-silica
Change titanium.
5. a kind of energy saving heat shielding cooling anticorrosion coating material according to claim 1, which is characterized in that
The heat-insulated silicate cavity filling of the modification is modified hollow silicon dioxide-alundum (Al2O3) structure microspheres for surface,
The sunlight reflective pigments include white pigment titanium dioxide, yellow uitramarine nickel antimony titanium compound or brown
Siderochrome titanium compound,
The heat-insulated TiO of the modification2Filler is TiO2Glass microballoon material is coated,
The far-infrared radiation ceramic filler is to contain alundum (Al2O3), magnesia, zinc oxide, silica, chromium dioxide
Or the ceramic powder of titanium dioxide metal oxide composition,
The solvent is toluene, methanol, ethyl alcohol, n-butanol or ethyl acetate.
A kind of 6. energy saving heat shielding cooling anticorrosion coating material according to claim 5, which is characterized in that the modification
Heat-insulated TiO2Filler is prepared using following methods：Glass microballoon is added in distilled water, addition for 1g glass microballoons/
10g distilled water is added dropwise l% surfactant sodium dodecyl base benzene sulfonic acid sodium salts, with magnetic force thermostatic mixer solution is made to be uniformly mixed simultaneously
Temperature is controlled, titanium sulfate solution is slowly added dropwise, with the pH value of ammonium hydroxide maintenance system always, reacts and continues 6h, being washed to pH value is
7, it is obtained after drying in 600 DEG C of calcinings.
A kind of 7. energy saving heat shielding cooling anticorrosion coating material according to claim 1, which is characterized in that the anti-corrosion
Bottom, heat insulation middle layer, the thickness ratio of heat radiation surface layer are 1:4:0.8.
A kind of 8. energy saving heat shielding cooling anticorrosion coating material according to claim 1, which is characterized in that the anti-corrosion
Bottom, heat insulation middle layer, the overall thickness of heat radiation surface layer are 0.4-0.8mm.
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| WO2019100653A1 (en) * | 2017-11-23 | 2019-05-31 | 洛阳尖端技术研究院 | Coating, preparation method therefor, and application thereof |
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| CN1515633A (en) * | 2003-01-06 | 2004-07-28 | 马承银 | Heat-isolating coating capable of reflecting solar heat ray |
| CN100506934C (en) * | 2005-12-27 | 2009-07-01 | 财团法人工业技术研究院 | High temperature insulating mould coating |
| CN1919945B (en) * | 2006-09-20 | 2010-12-29 | 江苏晨光涂料有限公司 | Elastic thin layer thermal insulation coat |
| CN100558668C (en) * | 2008-06-25 | 2009-11-11 | 陈建华 | A kind of surface modifying method of hollow glass micropearl and application thereof |
| CN101857390A (en) * | 2009-04-10 | 2010-10-13 | 中国科学院福建物质结构研究所 | Composite powder with antibacterial and heat insulation functions and preparation method and purposes thereof |
| CN102002320A (en) * | 2010-11-29 | 2011-04-06 | 长沙华润涂料有限公司 | Environmentally-friendly heat-insulating nanometer coating and preparation method thereof |
| CN102391754B (en) * | 2011-10-24 | 2014-10-08 | 沈阳建筑大学 | Double-coated hollow glass microbead heat-insulated coating and preparation method thereof |
| CN103031048A (en) * | 2012-12-14 | 2013-04-10 | 中国船舶重工集团公司第七二五研究所 | Low solar-energy absorbing energy-saving coating for ship |
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