CN104985891A - Coating material with characteristics of efficiency, energy saving, heat shield, cooling and corrosion resistance - Google Patents
Coating material with characteristics of efficiency, energy saving, heat shield, cooling and corrosion resistance Download PDFInfo
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- CN104985891A CN104985891A CN201310566201.3A CN201310566201A CN104985891A CN 104985891 A CN104985891 A CN 104985891A CN 201310566201 A CN201310566201 A CN 201310566201A CN 104985891 A CN104985891 A CN 104985891A
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Abstract
The present invention relates to a coating material with characteristics of efficiency, energy saving, heat shield, cooling and corrosion resistance, wherein the coating material is a three-layer composite material formed from a corrosion resistance bottom layer, a thermal insulation middle layer and a heat radiating surface layer, the corrosion resistance bottom layer is epoxy zinc-rich paint, the thermal insulation middle layer comprises a three-component coating material and a curing agent according to a weight ratio of 35-50:1, and the heat radiating surface layer is a composite surface layer adopting a polyurethane resin as a film forming substance. Compared with the coating material in the prior art, the coating material of the present invention integrates advantages of corrosion resistance, thermal barrier, heat reflection, and heat radiation.
Description
Technical field
The present invention relates to a kind of anticorrosion coating material and preparation method thereof, especially relate to the rotten coating material of a kind of energy-efficient heat shielding reducing temperature for preventing and preparation method thereof.
Background technology
Caused by sun heat radiation that the surface temperatures such as building, industrial equipment, means of transport are too high brings problems and inconvenience to industrial production and daily life.And on the other hand, oil product storage tank, Thermal Equipment, winter building etc. be mostly in the temperature higher compared with environment, heat loss is present in these objects throughout the year, consumes a large amount of energy.Therefore, the research and apply of heat insulating coatings has great economic benefit and social benefit.The energy-saving coating with heat-insulation and heat-preservation function studying a kind of feature of environmental protection is the target that coating industry is pursued always.For this reason, oneself has multinomial patent application, as " the solar heat intelligent temperature control coating " of Chinese patent 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, heat insulating effect not enough, be coated with the slightly poor defect of film elasticity, or exist not enough to the reflectivity of visible ray and infrared light, for far infrared, not there is high reflectivity, or exist and can only be prepared into whitewash, then there is the weakness such as effect of heat insulation difference in other color variety.Described in Chinese patent CN1105090A, silicon magnesium aluminium composite thermo-insulating coating system is made up of simaldrate nitride and adhesive, it is a kind of adiabatic coating be painted on pipeline, equipment, the feature of this coating is that thermal conductivity factor is low, main be used as insulation, but coating layer thickness need reach more than 2.5mm just has certain heat insulation and preservation effect; The preparation method of the heat insulating coatings described in Chinese patent CN1106051A is: adopt into pulp material, light filler, binding agent and water, but its coating layer thickness just has obvious heat insulation effect at more than 3.8mm, is a kind of thermal insulation coatings of thick matter type.
Summary of the invention
Object of the present invention be exactly provide a kind of integrate anticorrosion to overcome defect that above-mentioned prior art exists, heat rejection, heat reflection and heat radiation energy-efficient heat shielding reducing temperature for preventing corruption coating material.
Object of the present invention can be achieved through the following technical solutions:
The rotten coating material of a kind of energy-efficient heat shielding reducing temperature for preventing is the 3-layer composite material be made up of anticorrosion bottom, heat insulation middle layer, heat radiation surface layer,
Described anticorrosion bottom is epoxy zinc-rich paint,
Described heat insulation middle layer is made up of by weight for 35-50:1 three components coating and curing agent,
Described heat radiation surface layer is take polyurethane resin as the composite cover of film forming matter.
The three components coating of described heat insulation middle layer comprises following component and weight portion content:
Component A: epoxy resin 100, additive 50-120, rust resisting pigment 8-25,
B component: nanoporous material 100-200, glass microballoon 20-30,
Component C: mixed solvent 40-70.
Described epoxy resin is plain edition epoxy resin or modified epoxy, described additive is selected from one or more in physique filler, surfactant, levelling agent or coupling agent, described mixed solvent is mixture or wherein both mixture of the three of benzene class, alcohols, ester class and derivative thereof, and described curing agent is amine curing agent.
Described plain edition epoxy resin is bisphenol-A liquid epoxy resin or bisphenol A-type solid epoxy, described bisphenol-A liquid epoxy resin comprises commercially available E-55, E-51 or E-44 bisphenol-A liquid epoxy resin, described bisphenol A-type solid epoxy comprises commercially available E-42, E-35, E-31, E-20, E-12, E-06 or E-03 bisphenol A-type solid epoxy
Described physique filler comprises 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,
Described surfactant comprises neopelex, long-chain polyamino phthalein amine phosphate, bunching acid sodium-salt, octadecane acid amide ethyl, dimethyl, beta-hydroxyethyl amine trinitrate, octadecane acid amide propyl group or dimethyl beta-hydroxyethyl by triphosphoric acid dihydric salt
Described levelling agent is polyester organosilicon,
Described coupling agent comprises vinyl silanes, methacrylic acid TMOS, amino silane or hydrocarbyl si lanes,
Mixed solvent or the volume ratio of ethyl acetate, toluene and n-butanol that the mixed solvent that the mixed solvent of toluene, methyl alcohol and ethyl acetate that the mixed solvent that the dimethylbenzene of described mixed solvent to be volume ratio be 2-5:1 and the mixed solvent of n-butanol, volume ratio are the toluene of 1.5-4:1 and isopropyl alcohol, volume ratio are 1.5-3:2-3:1-2, the volume ratio mixed solvent that to be the toluene of 2-5:1 and n-butanol be, volume ratio are the dimethylbenzene of 3-6:1 and isobutanol, volume ratio are 2-4:1-3:1 are the toluene of 2-5: 1 and the mixed solvent of isobutanol
Described amine curing agent is ethylenediamine, triethylenetetramine, polyamide, diethyl amino propylamine or modified amine curing agent, and described modified amine curing agent comprises the amido addition product of phenolic aldehyde one hexamethylene diamine condensation product, epoxy propane butyl ether one diethylentriamine addition product, N mono-aminoethyl croak throat or diketone propylene phthalein amine.
Described rust resisting pigment is aluminium powder, glass flake, graphite, micaceous iron oxide, trbasic zinc phosphate, aluminium triphosphate, titanium polyphosphate and chromium zinc yellow, zinc tetroxy chromate, strontium chromate or organo-chromate,
Described nanoporous material is nano-aluminium oxide, nanometer di-iron trioxide, nano zircite or nano titanium oxide.
Described heat radiation surface layer adopts the raw material of following component and weight portion content:
Polyurethane resin 30-50, modification heat insulation silicate cavity filling 5-10, sunshine reflective pigments 5-15, the heat insulation TiO of modification
2filler 5-10, far-infrared radiation ceramic filler 5-10, glass microballoon 5-10, zinc oxide nano meter level micro mist 1-2, delustering agent 2-6, wetting dispersing agent 1-4, solvent 15-20, filler 5-10.
The heat insulation silicate cavity filling of described modification is surface modification hollow silicon dioxide-alundum (Al2O3) structure microspheres, improves its infrared reflective and the dispersiveness in different substrate materials, has heat insulation and heat-insulating property,
Described sunshine reflective pigments comprises white pigment titanium dioxide, yellow uitramarine nickel antimony titanium compound or brown siderochrome titanium compound, and the sunshine reflectivity of each pigment is: Chinese white 75%, yellow uitramarine 71%,
The heat insulation TiO of described modification
2filler is TiO
2coated glass microballoon material,
Described far-infrared radiation ceramic filler is the ceramic powder containing alundum (Al2O3), magnesia, zinc oxide, silica, chromium dioxide or titanium dioxide metal oxide composition,
Described solvent is toluene, methyl alcohol, ethanol, n-butanol or ethyl acetate.
Described filler is selected from one or more in zinc oxide, talcum powder, calcium carbonate, wollastonite in powder or mica powder.
The heat insulation TiO of described modification
2filler adopts following methods to prepare: be added to by glass microballoon in distilled water, addition is 1g glass microballoon/10g distilled water, drip 1% surfactant sodium dodecyl base benzene sulfonic acid sodium salt, solution is mixed and control temperature with magnetic force thermostatic mixer, slow dropping titanium sulfate solution, by the pH value of ammoniacal liquor maintenance system all the time, reaction continues 6h, being washed to pH value is 7, obtains after oven dry 600 DEG C of calcinings.
The Thickness Ratio of described anticorrosion bottom, heat insulation middle layer, heat radiation surface layer is 1:4:0.8.
The gross thickness of described anticorrosion bottom, heat insulation middle layer, heat radiation surface layer is 0.4-0.8mm.
Compared with prior art, the present invention overcomes the shortcoming of existing heat insulating coatings coating, and for insulating moulding coating increases a kind of good heat-insulation effect, thermal conductivity factor is low, the new varieties of heat-insulation and heat-preservation heavy antisepsis, can at the steel-structure roof of building industry and glass curtain wall; The offshore drilling platform of petroleum industry, oil tank, petroleum pipeline; The automobile of transport service, train, aircraft surfaces; The shell of shipbuilding industry, deck; And tank, warship, rocket, spaceship etc., play prevention heat transfer, with reduce be exposed to sun heat radiation under the surface temperature of equipping and interior environment temperature, improve working environment, improve the effect of security.
The coating structure of metal protective coating is substantially all divided into two parts, has been respectively the priming coat of bonding and rust inhibition and has played finishing coat that is anti-aging and decoration function.In order to ensure metal equipment coating integrality under severe conditions, functional and working life, realize temperature with high efficiency, corrosion-resistant object, tested by the antiseptic property of the protective coating to different structure, temperature reduction performance, Stealth Fighter, devise integrate anticorrosion, heat rejection, heat reflection and heat radiation camouflage color to lower the temperature composite coating structure, specifically comprise following advantage:
(1) coating is made up of three-decker, play different effects respectively, bottom mainly rises closed, rust inhibition, middle level is mainly risen heat insulation, insulation effect, surface layer mainly plays sunshine and infrared light reflection effect, can also play the protective effect of delayed reflex decay, it is heat insulation that the cooperative effect of three layers makes this coating have, insulation, stain resistance is good, the feature of long service life;
(2) in prior art, heat insulating coat is generally made up of the single thing of hollow beads, then have employed the compound of several functions powder body material in the present invention, include the use of the powder body material with solar reflecting properties and far infrared reflecting property, low thermal conductivity hollow powder body material and there is the pigment of solar reflecting properties, therefore, middle level of the present invention and surface layer are except having heat preservation and insulation, also there is very strong heat reflection performance, to ensure that coating still can keep good heat insulation property when thinner (gross thickness is less than or equal to 0.6 millimeter);
(3) owing to the addition of the ceramic packing and heat insulation silicate cavity filling and the reflexive pigment of sunshine with infrared antiradiation effect in coating components, effectively improve the heat insulation and preservation effect of this coating, accomplish that namely coating layer thickness has very significant effect of heat insulation at about 300um;
(4) owing to the addition of the heat insulation TiO of modification in coating components
2filler.As a kind of filler distinctive feature, glass microballoon is that it is hollow ball shape, density is little and thermal conductivity factor is little, utilize the feature that its hollow thermal conductivity factor is little, strengthens the heat-proof quality of coating.In addition, after coating drying, hollow beads close-packed arrays gets up, and forms a complete hollow separation layer, has good effect of heat insulation, enclose one deck TiO on cenosphere surface
2film, due to TiO
2sunshine reflectivity high, strengthen its reflected solar radiation and stop heat conducting ability, and then reaching heat insulation object.Integrate energy-conservation, sound insulation, heat-insulation and heat-preservation several functions.
(5) the film model of coating of the present invention, its sunshine reflectivity: 0.8.; Hemispherical emissivity: 0.85; Near infrared light reflectivity: 0.8.Coating layer thickness is the model casing of 0.5mm, can reach more than 6 DEG C with the temperature difference of blank casing.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention is coated on matrix.
In figure, 1 be matrix, 2 be anticorrosion bottom, 3 be heat insulation middle layer, 4 for heat radiation surface layer.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment 1
The rotten coating material of a kind of energy-efficient heat shielding reducing temperature for preventing, is coated in structure on matrix 1 as shown in Figure 1, is anticorrosion bottom 2,3-layer composite material that heat insulation middle layer 3, heat radiation surface layer 4 are formed.The ratio of each layer thickness is bottom: middle level: surface layer is 1:4:0.8, and the present invention's three layers of total coating thickness scope are 0.4-0.8mm.
Bottom of the present invention is epoxy zinc-rich paint relative to metallic matrix, the inorganic epoxy zinc rich primer H06-4 of the product as Jiangsu Orton chemistry painting industry Co., Ltd, as the product alkali-resistant sealing primer H53-51 of Jiangsu Orton chemistry painting industry Co., Ltd.
The component of heat insulation middle layer comprises following composition and weight portion 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 is the solvent that is mixed to get of 3:1 by volume.
The component of heat radiation surface layer comprises following composition and weight portion content:
The concrete production technology of middle heat insulation middle layer of coating of the present invention is: after feedstock analysis chemical examination is qualified, mixed solvent is taken by formula, epoxy resin, put into Scattered Kettle, until epoxy resin dissolves, by additive, rust resisting pigment, nano-ceramic powder, glass microballoon add in mixed solution, stir in homogenizer, dispersion.Gained mixed serum puts into sand mill, regulates sand mill optimum speed, grinds 48 hours, carry out the examination and test of products, can filter and package after qualified.
The production method of the heat radiation surface layer of coating of the present invention is as follows: the 1st ~ 5th kind of component and dispersant, defoamer etc. in example are mixed, again color stuffing and antiradiation powder, the heat insulation powder of part are added, pasty state is fallen apart in high speed dispersor, pastel is ground to certain fineness through grinder, again through high speed dispersor, add that multiple emulsion, part are heat insulation, defoamer, levelling agent, thickener.Stir, the rotten coating of energy-efficient heat shielding reducing temperature for preventing of the present invention.
The anticorrosive paint prepared detects by HG/T4341-2012 metal surface heat-reflecting insulating coating
Reach following index after testing:
Appearance of film: film is normal
Do not wave thing content/%:51
Drying time/h:
Surface drying: 4
Do solid work: 24
Resistance to impact/cm:50
Adhesive force (pulling open method)/mpa:3
Resistance to water (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
Sunshine reflectivity: 0.8
Hemispherical emissivity: 0.85
Near infrared light reflectivity: 0.8
Embodiment 2
The rotten coating material of a kind of energy-efficient heat shielding reducing temperature for preventing, be the 3-layer composite material be made up of anticorrosion bottom, heat insulation middle layer, heat radiation surface layer, the Thickness Ratio of anticorrosion bottom, heat insulation middle layer, heat radiation surface layer is 1: 4:0.8.The gross thickness of anticorrosion bottom, heat insulation middle layer, heat radiation surface layer is 0.4mm.Anticorrosion bottom is epoxy zinc-rich paint, and heat insulation middle layer is made up of by weight for 35:1 three components coating and curing agent, and heat radiation surface layer is take polyurethane resin as the composite cover of film forming matter.
Wherein, the three components coating of heat insulation middle layer comprises following component and weight portion content:
Component A: epoxy resin 100, additive 50, rust resisting pigment 8,
B component: nanoporous material 100, glass microballoon 20,
Component C: mixed solvent 40.
Epoxy resin is commercially available bisphenol-A liquid epoxy resin, and additive is barite powder matter filler, and mixed solvent is dimethylbenzene: n-butanol is the mixture of 2:1, and curing agent adopts ethylenediamine.
Described heat radiation surface layer adopts the raw material of following component and weight portion content: polyurethane resin 30, modification heat insulation silicate cavity filling 5, sunshine reflective pigments 5, the heat insulation TiO of modification
2filler 5, far-infrared radiation ceramic filler 5, glass microballoon 5, zinc oxide nano meter level micro mist 1, delustering agent 2, wetting dispersing agent 1, solvent toluene 15, filler 5.
The heat insulation silicate cavity filling of modification is surface modification hollow silicon dioxide-alundum (Al2O3) structure microspheres, improve its infrared reflective and the dispersiveness in different substrate materials, there is heat insulation and heat-insulating property, sunshine reflective pigments comprises white pigment titanium dioxide, yellow uitramarine nickel antimony titanium compound or brown siderochrome titanium compound, the sunshine reflectivity of each pigment is: Chinese white 75%, yellow uitramarine 71%, the heat insulation TiO of modification
2filler is TiO
2coated glass microballoon material, far-infrared radiation ceramic filler is the ceramic powder containing alundum (Al2O3), and filler is zinc oxide.
The heat insulation TiO of modification
2filler adopts following methods to prepare: be added to by glass microballoon in distilled water, addition is 1g glass microballoon/10g distilled water, drip 1% surfactant sodium dodecyl base benzene sulfonic acid sodium salt, solution is mixed and control temperature with magnetic force thermostatic mixer, slow dropping titanium sulfate solution, by the pH value of ammoniacal liquor maintenance system all the time, reaction continues 6h, being washed to pH value is 7, obtains after oven dry 600 DEG C of calcinings.
Reach following index after testing:
Appearance of film: film is normal
Do not wave thing content/% >=50
Drying time/h:
Surface drying≤4
Do solid work≤24
Resistance to impact/cm:50
Adhesive force (pulling open method)/mpa >=3
Resistance to water (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
Sunshine reflectivity: 0.8
Hemispherical emissivity: 0.85
Near infrared light reflectivity: 0.8
Embodiment 3
The rotten coating material of a kind of energy-efficient heat shielding reducing temperature for preventing, be the 3-layer composite material be made up of anticorrosion bottom, heat insulation middle layer, heat radiation surface layer, the Thickness Ratio of anticorrosion bottom, heat insulation middle layer, heat radiation surface layer is 1:4:0.8.The gross thickness of anticorrosion bottom, heat insulation middle layer, heat radiation surface layer is 0.6mm.
Anticorrosion bottom is epoxy zinc-rich paint, and heat insulation middle layer is made up of by weight for 40:1 three components coating and curing agent, and heat radiation surface layer is take polyurethane resin as the composite cover of film forming matter.
The three components coating of heat insulation middle layer comprises following component and weight portion content:
Component A: epoxy resin 100, additive 80, rust resisting pigment 20,
B component: nanoporous material 150, glass microballoon 25,
Component C: mixed solvent 60.
Epoxy resin is commercially available E-55 bisphenol-A liquid epoxy resin, additive is physique filler, surfactant, levelling agent, coupling agent, physique filler is blanc fixe, surfactant is neopelex, levelling agent is polyester organosilicon, coupling agent is methacrylic acid TMOS, mixed solvent is toluene: methyl alcohol: ethyl acetate is the mixed solvent of 1.5:3:1 composition by volume, and curing agent is triethylenetetramine.
Described heat radiation surface layer adopts the raw material of following component and weight portion content:
Polyurethane resin 40, modification heat insulation silicate cavity filling 8, sunshine reflective pigments 10, the heat insulation TiO of modification
2filler 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, etoh solvent 18, filler 51.
The heat insulation silicate cavity filling of modification is surface modification hollow silicon dioxide-alundum (Al2O3) structure microspheres, improve its infrared reflective and the dispersiveness in different substrate materials, there is heat insulation and heat-insulating property, sunshine reflective pigments comprises white pigment titanium dioxide, yellow uitramarine nickel antimony titanium compound or brown siderochrome titanium compound, the sunshine reflectivity of each pigment is: Chinese white 75%, yellow uitramarine 71%, the heat insulation TiO of modification
2filler is TiO
2coated glass microballoon material, far-infrared radiation ceramic filler is for containing magnesian ceramic powder, and filler is wollastonite in powder, mica powder.
The heat insulation TiO of described modification
2filler adopts following methods to prepare: be added to by glass microballoon in distilled water, addition is 1g glass microballoon/10g distilled water, drip 1% surfactant sodium dodecyl base benzene sulfonic acid sodium salt, solution is mixed and control temperature with magnetic force thermostatic mixer, slow dropping titanium sulfate solution, by the pH value of ammoniacal liquor maintenance system all the time, reaction continues 6h, being washed to pH value is 7, obtains after oven dry 600 DEG C of calcinings.
Reach following index after testing:
Appearance of film: film is normal
Do not wave thing content/%:50
Drying time/h:
Surface drying: 4
Do solid work: 24
Resistance to impact/cm:50
Adhesive force (pulling open method)/mpa >=3
Resistance to water (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
Sunshine reflectivity: 0.81
Hemispherical emissivity: 0.85
Near infrared light reflectivity: 0.8
Embodiment 4
The rotten coating material of a kind of energy-efficient heat shielding reducing temperature for preventing, be the 3-layer composite material be made up of anticorrosion bottom, heat insulation middle layer, heat radiation surface layer, the Thickness Ratio of anticorrosion bottom, heat insulation middle layer, heat radiation surface layer is 1:4:0.8.The gross thickness of anticorrosion bottom, heat insulation middle layer, heat radiation surface layer is 0.8mm.
Anticorrosion bottom is epoxy zinc-rich paint, heat insulation middle layer is to form at 50: 1 by three components coating and curing agent by weight, and heat radiation surface layer is that the three components coating of the composite cover heat insulation middle layer taking polyurethane resin as film forming matter comprises following component and weight portion content:
Component A: epoxy resin 100, additive 120, rust resisting pigment 25,
B component: nanoporous material 200, glass microballoon 30,
Component C: mixed solvent 70.
Epoxy resin is commercially available E-35 bisphenol-A liquid epoxy resin, additive is physique filler, surfactant, levelling agent, coupling agent, physique filler is blanc fixe, surfactant is neopelex, levelling agent is polyester organosilicon, coupling agent is methacrylic acid TMOS, mixed solvent is toluene: methyl alcohol: ethyl acetate is the mixed solvent of 1.5:3:1 composition by volume, and curing agent is triethylenetetramine.
Heat radiation surface layer adopts the raw material of following component and weight portion content:
Polyurethane resin 50, modification heat insulation silicate cavity filling 10, sunshine reflective pigments 15, the heat insulation TiO of modification
2filler 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.
The heat insulation silicate cavity filling of modification is surface modification hollow silicon dioxide-alundum (Al2O3) structure microspheres, improve its infrared reflective and the dispersiveness in different substrate materials, there is heat insulation and heat-insulating property, sunshine reflective pigments comprises white pigment titanium dioxide, yellow uitramarine nickel antimony titanium compound or brown siderochrome titanium compound, the sunshine reflectivity of each pigment is: Chinese white 75%, yellow uitramarine 71%, the heat insulation TiO of modification
2filler is TiO
2coated glass microballoon material, far-infrared radiation ceramic filler is the ceramic powder containing silica, chromium dioxide composition, and filler is talcum powder.
The heat insulation TiO of modification
2filler adopts following methods to prepare: be added to by glass microballoon in distilled water, addition is 1g glass microballoon/10g distilled water, drip 1% surfactant sodium dodecyl base benzene sulfonic acid sodium salt, solution is mixed and control temperature with magnetic force thermostatic mixer, slow dropping titanium sulfate solution, by the pH value of ammoniacal liquor maintenance system all the time, reaction continues 6h, being washed to pH value is 7, obtains after oven dry 600 DEG C of calcinings.
Reach following index after testing:
Appearance of film: film is normal
Do not wave thing content/% >=50
Drying time/h:
Surface drying≤4
Do solid work≤24
Resistance to impact/cm:50
Adhesive force (pulling open method)/mpa >=3
Resistance to water (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
Sunshine reflectivity: 0.8
Hemispherical emissivity: 0.85
Near infrared light reflectivity: 0.8
Coating of the present invention can be applied over steel-structure roof and the glass curtain wall of building industry; The offshore drilling platform of petroleum industry, oil tank, petroleum pipeline; The automobile of transport service, train, aircraft surfaces; The shell of shipbuilding industry, deck; And tank, warship, rocket, spaceship etc., play prevention heat transfer, with reduce be exposed to sun heat radiation under the surface temperature of equipping and interior environment temperature, improve working environment, improve the effect of security.
Claims (10)
1. the rotten coating material of energy-efficient heat shielding reducing temperature for preventing, it is characterized in that, this material is the 3-layer composite material be made up of anticorrosion bottom, heat insulation middle layer, heat radiation surface layer,
Described anticorrosion bottom is epoxy zinc-rich paint,
Described heat insulation middle layer is made up of by weight for 35-50:1 three components coating and curing agent,
Described heat radiation surface layer is take polyurethane resin as the composite cover of film forming matter.
2. the rotten coating material of the energy-efficient heat shielding reducing temperature for preventing of one according to claim 1, it is characterized in that, the three components coating of described heat insulation middle layer comprises following component and weight portion content:
Component A: epoxy resin 100, additive 50-120, rust resisting pigment 8-25,
B component: nanoporous material 100-200, glass microballoon 20-30,
Component C: mixed solvent 40-70.
3. the rotten coating material of the energy-efficient heat shielding reducing temperature for preventing of one according to claim 2, it is characterized in that, described epoxy resin is plain edition epoxy resin or modified epoxy, described additive is selected from one or more in physique filler, surfactant, levelling agent or coupling agent, described mixed solvent is mixture or wherein both mixture of the three of benzene class, alcohols, ester class and derivative thereof, and described curing agent is amine curing agent.
4. the rotten coating material of the energy-efficient heat shielding reducing temperature for preventing of one according to claim 3, is characterized in that,
Described plain edition epoxy resin is bisphenol-A liquid epoxy resin or bisphenol A-type solid epoxy, described bisphenol-A liquid epoxy resin comprises commercially available E-55, E-51 or E-44 bisphenol-A liquid epoxy resin, described bisphenol A-type solid epoxy comprises commercially available E-42, E-35, E-31, E-20, E-12, E-06 or E-03 bisphenol A-type solid epoxy
Described physique filler comprises 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,
Described surfactant comprises neopelex, long-chain polyamino phthalein amine phosphate, bunching acid sodium-salt, octadecane acid amide ethyl, dimethyl, beta-hydroxyethyl amine trinitrate, octadecane acid amide propyl group or dimethyl beta-hydroxyethyl by triphosphoric acid dihydric salt
Described levelling agent is polyester organosilicon,
Described coupling agent comprises vinyl silanes, methacrylic acid TMOS, amino silane or hydrocarbyl si lanes,
Mixed solvent or the volume ratio of ethyl acetate, toluene and n-butanol that the mixed solvent that the mixed solvent of toluene, methyl alcohol and ethyl acetate that the mixed solvent that the dimethylbenzene of described mixed solvent to be volume ratio be 2-5:1 and the mixed solvent of n-butanol, volume ratio are the toluene of 1.5-4:1 and isopropyl alcohol, volume ratio are 1.5-3:2-3:1-2, the volume ratio mixed solvent that to be the toluene of 2-5:1 and n-butanol be, volume ratio are the dimethylbenzene of 3-6:1 and isobutanol, volume ratio are 2-4:1-3:1 are the toluene of 2-5:1 and the mixed solvent of isobutanol
Described amine curing agent is ethylenediamine, triethylenetetramine, polyamide, diethyl amino propylamine or modified amine curing agent, and described modified amine curing agent comprises the amido addition product of phenolic aldehyde one hexamethylene diamine condensation product, epoxy propane butyl ether one diethylentriamine addition product, N mono-aminoethyl croak throat or diketone propylene phthalein amine.
5. the rotten coating material of the energy-efficient heat shielding reducing temperature for preventing of one according to claim 2, is characterized in that,
Described rust resisting pigment is aluminium powder, glass flake, graphite, micaceous iron oxide, trbasic zinc phosphate, aluminium triphosphate, titanium polyphosphate and chromium zinc yellow, zinc tetroxy chromate, strontium chromate or organo-chromate,
Described nanoporous material is nano-aluminium oxide, nanometer di-iron trioxide, nano zircite or nano titanium oxide.
6. the rotten coating material of the energy-efficient heat shielding reducing temperature for preventing of one according to claim 1, it is characterized in that, described heat radiation surface layer adopts the raw material of following component and weight portion content to make:
Polyurethane resin 30-50, modification heat insulation silicate cavity filling 5-10, sunshine reflective pigments 5-15, the heat insulation TiO of modification
2filler 5-10, far-infrared radiation ceramic filler 5-10, glass microballoon 5-10, zinc oxide nano meter level micro mist 1-2, delustering agent 2-6, wetting dispersing agent 1-4, solvent 15-20, filler 5-10.
7. the rotten coating material of the energy-efficient heat shielding reducing temperature for preventing of one according to claim 6, is characterized in that,
The heat insulation silicate cavity filling of described modification is surface modification hollow silicon dioxide-alundum (Al2O3) structure microspheres,
Described sunshine reflective pigments comprises white pigment titanium dioxide, yellow uitramarine nickel antimony titanium compound or brown siderochrome titanium compound,
The heat insulation TiO of described modification
2filler is TiO
2coated glass microballoon material,
Described far-infrared radiation ceramic filler is the ceramic powder containing alundum (Al2O3), magnesia, zinc oxide, silica, chromium dioxide or titanium dioxide metal oxide composition,
Described solvent is toluene, methyl alcohol, ethanol, n-butanol or ethyl acetate.
Described filler is selected from one or more in zinc oxide, talcum powder, calcium carbonate, wollastonite in powder or mica powder.
8. the rotten coating material of the energy-efficient heat shielding reducing temperature for preventing of one according to claim 7, is characterized in that, the heat insulation TiO of described modification
2filler adopts following methods to prepare: be added to by glass microballoon in distilled water, addition is 1g glass microballoon/10g distilled water, drip 1% surfactant sodium dodecyl base benzene sulfonic acid sodium salt, solution is mixed and control temperature with magnetic force thermostatic mixer, slow dropping titanium sulfate solution, by the pH value of ammoniacal liquor maintenance system all the time, reaction continues 6h, being washed to pH value is 7, obtains after oven dry 600 DEG C of calcinings.
9. the rotten coating material of the energy-efficient heat shielding reducing temperature for preventing of one according to claim 1, it is characterized in that, the Thickness Ratio of described anticorrosion bottom, heat insulation middle layer, heat radiation surface layer is 1:4:0.8.
10. the rotten coating material of the energy-efficient heat shielding reducing temperature for preventing of one according to claim 1, it is characterized in that, the gross thickness of described anticorrosion bottom, heat insulation middle layer, heat radiation surface layer is 0.4-0.8mm.
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| CN109577095B (en) * | 2018-11-29 | 2021-04-02 | 河北宇达防锈科技有限公司 | Gas phase antirust paper suitable for high-humidity environment and preparation method thereof |
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