CN101585992B - Heat insulating reflecting anticorrosive paint - Google Patents

Heat insulating reflecting anticorrosive paint Download PDF

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Publication number
CN101585992B
CN101585992B CN2009101001496A CN200910100149A CN101585992B CN 101585992 B CN101585992 B CN 101585992B CN 2009101001496 A CN2009101001496 A CN 2009101001496A CN 200910100149 A CN200910100149 A CN 200910100149A CN 101585992 B CN101585992 B CN 101585992B
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component
parts
powder
paint
coating
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CN2009101001496A
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Chinese (zh)
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CN101585992A (en
Inventor
袁泉利
蓝席建
张连军
康幼珍
朱能杰
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袁泉利
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Priority to CN2009101001496A priority Critical patent/CN101585992B/en
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Abstract

A heat insulating reflecting anticorrosive paint, in a coordinated system composed of bottom, surface and middle layer paints coated on surface of concrete or metal, is suitable for sea climate and chemical engineering air severe atmosphere, which breaks convention of making the heat reflecting surface paint in white in prior market. Surface paints in present coordinated system is added with dye infrared transparent block powder with special function or gray, yellow and brown series made of titanium yellow powder so that the color of paints is versatile, which enlarges use scale. The whole paint system has excellent heat insulating, solar heat reflecting property by rational match and good heavy-duty anticorrosive property as well as excellent weather resistance. Thickness of total dry film does not exceed 250microns. Heat reflecting effect of surface paint in various colors is similar to that of white paint which has greater reflectivity and insulating effect. Compared with a tank coating aluminum powder chlorinated rubber solvent, the tank coating the paint has inner temperature 15 DEG.. C lower, surface temperature 23 DEG.. C.

Description

Heat insulating reflecting anticorrosive paint
Technical field
The present invention relates to a kind of formulation for coating material, technology and supporting system thereof with the anticorrosion net effect of heat insulating reflecting.The supporting system of this coating is made of the end, neutral plane coating, and coated article has both heat insulation, heat reflection and heavy anticorrosive function behind concrete or coating metal surfaces.
Background technology
Most of energy of sunlight all concentrates near infrared and the visible-range, the object that is shined upon absorbs visible light and infrared energy wherein, being transformed into heat energy raises the body surface temperature, summer is under solar radiation, the solar irradiation of excess makes the appearance temperature of petrochemical complex storage tank reach seven, 80 degree, cause a series of safety and environmental issues such as oil product evaporating loss is big, temperature for low oil tank, have to adopt the method for continuous spray water to lower the temperature to storage tank, not only waste a large amount of water,, also aggravated the corrosion of metallic surface simultaneously because of the effect of spray water, increased maintenance cost and shortened work-ing life, brought serious loss to national economy.
High temperature season, all adopt air-conditioning to carry out refrigeration cool-down as boats and ships, vehicle, dwelling house, office building etc. in addition, need to consume a large amount of electric energy equally, also aggravated the tropical island effect in city simultaneously.
For reducing the thermal radiation of the sun, by improving the absorption of reflection minimizing to the sunlight heat, therefore having coating heat insulation, that reflect functions such as lowering the temperature, anticorrosion arises at the historic moment, become pressing for of painting industry, these coating have reduced sun heat radiation harm to a great extent and have had fabulous market outlook.
The 1980s, some countries of the U.S. and West Europe just developed the coating that reduces sun heat radiation harm, used in the many fields of military and civilian.
Number of patent application 200710035834.6 " a kind of thermal insulating coating that reflects the solar heat ray " is made up of the end and investment precoat two portions, provide a kind of specular reflectance included to reach 85~90% to the solar heat ray, can prevent sun heat radiation effectively, and dry coating film thickness is at the coating of 300~500 μ m.But it totally is to add oxidation Indium tin on the basis of titanium dioxide, tin tetrachloride, zinc chloride, zinc sulfate, one or more materials such as butter of antimony, oxidation Indium tin, tin tetrachloride, zinc chloride, zinc sulfate, these materials of butter of antimony have the certain absorption effect near infrared light, but generally only be applicable in transparent heat-insulated (glass) film, energy is by absorbing decay significantly after making light see through (glass) film, play the purpose that reduces room temp, it reflects back a near infrared light part (overflowing) that absorbs, major part is converted into heat energy in addition, therefore the temperature of transparent heat-insulating film also can rise, aggravation thermal conduction.Facts have proved that it is unsatisfactory that this class material is used for nontransparent heat reflection coatings effect.
The patent No. 200610017361.2 " anticorrosion paint for ceramic insulation " prospectus says that its heat-proof quality is good, reflectivity to sunlight reaches more than 85%, infrared external reflection is more than 90%, also has superior antiseptic property, with the ceramics powder is that the stopping composition cost is low, but what adopt is to be that base-material does not design rust-proofing primer again with the emulsion, so only being adapted at common occasion, uses this coating, in addition, the used main raw material of this coating comprises Rutile type Titanium Dioxide, ceramics powder, conventional raw material such as silicon dioxide colloid, these raw materials have certain heat reflection effect, but the coating materials color can only be white, totally still rely on material white effect carrying out the heat reflection cooling.Its design build is at 300 μ m in addition, but coating film thickness is 2mm (2000um) when compare test, from the heat insulating reflecting effect, thermofin is that thick more thermal resistance is high more, effect of heat insulation is good more, be heat insulation fully by increasing thickness, but silver paint can not come application by the 2000um thickness during conventional application, aluminium powder is originally as metal, the aluminium powder coating is thick more, and to be equivalent to the heat-transfer metal layer thick more, be unfavorable for heat insulating reflecting cooling on the contrary, so this comparative approach is nonsensical, this product and traditional heat insulating reflecting product are as good as.Be that with the storage tank of this coating of application and the storage tank that is not coated with relatively the two does not have comparability at all when talking about the temperature approach of the positive beneficial effect of the present invention in addition.So this coating practical effect is limited.
Above-mentioned coating patent and commercially available heat-reflecting surface painting color only are the heat insulating reflecting coating based on white, and coating is also thicker.Therefore the coating of developing a kind of thin layer, heat-insulating cooling effect is good and has a long-acting heavy anticorrosive function to save energy, protection environment, to promote benefit significant.
Summary of the invention
Technical problem to be solved by this invention is: a kind of heat insulating reflecting anticorrosive paint is provided, the heat insulating reflecting of product is effective, the heavy anticorrosive excellent performance is applicable to the supporting system of using in the heavy anticorrosive environment that comprises oceanic climate and chemical atmosphere severe environment of heat insulating reflecting anticorrosive paint.Investment precoat in the supporting system of this coating also can be made serial various colors such as Huang, palm fibre, grey except making white, and all possesses good heat reflection function is arranged, and is applied widely.
The present invention addresses the above problem the technical scheme that is adopted: heat insulating reflecting anticorrosive paint, and the supporting system of coating is divided into bottom, centre, investment precoat, and formulation for coating material is weighed with hundred parts of ratios of weight.
1, the priming paint formulating of recipe adopts the two component epoxy lacquer.
First component prescription: component B prescription:
828 Resins, epoxy 25-40 parts, 2015 solidifying agent 10-30 parts
Color stuffing 8-30 2041 solidifying agent 20-40 parts
BYK-ATU wetting dispersing agent 1-3 part butanols 3-10 part
BYK-405 flow agent 1-3 part dimethylbenzene 30-50 part
E1 defoamer 1-3 part
Butanols 3-8 part
Dimethylbenzene 3-8 part
First and second components use by mixing in 2: 1 with hundred parts of ratios of weight.
2, the intermediate layer coating formulating of recipe adopts the two component epoxy lacquer.
First component prescription: component B prescription:
828 Resins, epoxy 25-40 parts, 650 polyamide curing agent 30-50 parts
5020FPS cenosphere 5-20 part butanols 3-10 part
3000 order infrared ceramic powder 8-20 part dimethylbenzene 30-50 parts
Color stuffing 15-25 part
BYK-ATU wetting dispersing agent 1-3 part
BYK-405 flow agent 1-3 part
E1 defoamer 1-3 part
Butanols 3-8 part
Dimethylbenzene 5-15 part
First and second components use by mixing in 6: 1 with hundred parts of ratios of weight.
3, the investment precoat formulating of recipe adopts the double-component acrylic acid polyurethane lacquer.
First component prescription: component B prescription:
860 pure acrylic resin 25-50 part HDI solidifying agent 30-50 parts
3000 order infrared ceramic powder 5-15 part N-BUTYL ACETATE 3-10 parts
Titanium dioxide 8-20 part dimethylbenzene 25-40 part
Specific function pigment 0-7 part
Filler 15-25
32900 dispersion agent 1-3 parts
BYK-405 flow agent 1-3 part
Butanols 1-3 part
N-BUTYL ACETATE 3-8 part
Dimethylbenzene 3-8 part
First and second components use by mixing in 10: 1 with hundred parts of ratios of weight.
Compared with prior art, the invention has the advantages that:
1, it be by the end, in, the supporting system that constitutes of investment precoat, priming paint mainly bear and ground and inter coat between sticking power and antirust function, therefore suit in oceanic climate and chemical atmosphere severe environment, to use, be convenient to again construct to the substrate surface processing requirements is low simultaneously; Inter coat is mainly born and is reduced heat conducting heat insulating function and guarantee and the ply adhesion between the end, investment precoat, can freely arrange in pairs or groups as required or not select for use; Investment precoat is mainly born solar heat reflection function and heavy anticorrosive performances such as good weathering resistance, anti-solvent, each coating has different components, difference in functionality, the supporting convenience of each coating, production technique are general, functional, and supporting system coating reaches more than 8~10 years work-ing life;
2, coating is ultra-thin, and supporting system dry film total thickness is no more than 0.25mm, and the heat insulating reflecting performance of not only having is outstanding, and formulating of recipe has also been taken into account the requirement of environment for use simultaneously, therefore also has outstanding weathering resistance and heavy anticorrosive performance.Summer not under the spray water cooling state solvent tank of this supporting system of application with equally not spray water cooling application chlorinated rubber aluminium powder paint solvent tank compare low 15 ℃ of the inner air temperature difference, low 23 ℃ of the outside surface temperature difference; Summer not under the spray water cooling state solvent tank of this supporting system of application compare with spray water cooling application chlorinated rubber aluminium powder paint solvent tank, the internal solvent temperature difference is low-1 ℃~3 ℃, the outside surface temperature difference is low-2 ℃~4 ℃, the heat insulation and heat control performance that shows this supporting system of application under the spray water cooling state not is roughly suitable with the chlorinated rubber aluminium powder paint temperature reduction performance under the spray water cooling state, the solvent tank of this supporting system of application not only can be saved a large amount of spray waters season at summer high temperature, also avoided the corrosion of spray water, prolonged more than the anticorrosion cycle several times solvent tank.
3, because the titanium dioxide or the ceramics powder of white have higher reflectivity, can reach about 90%, but the white hot reflective coating has significant disadvantages, the one, and the single application scenario of color is limited, and the 2nd, along with the growth of time, being stained with the ash back reflection rate of making dirty will sharply descend, be unfavorable for the heat reflection cooling, and the reflectivity of common toner such as carbon black only is 2-7%, can't be applied to heat reflection coatings at all, therefore, the research and development of the heat reflection coatings of other colors are difficult points always.This coating has been broken the routine that heat-reflecting surface coating in the market can only be made white, on the basis of whitewash, add the black and titanium yellow powder of specific functionality pigment infrared transparent again and make grey color system or heat reflection coatingss of all kinds such as Yellow series or the brown series of the two produced with combination, and obtained and the proximate effect of white hot reflective coating, enlarge use occasion, had extensive applicability.
Specific functionality pigment heat reflection principle is---infrared transparent is deceived at the visible region first half and is shown black, but all show water white transparency at visible region latter half and whole near-infrared region, therefore the investment precoat heat reflection effect of grey color system and whitewash is close, still maintains higher reflectivity.Titanium yellow powder has with Rutile type Titanium Dioxide and has identical crystalline structure, thereby has an approaching reflectivity, therefore the investment precoat heat reflection effect of Yellow series and white is also close, and, also have similar heat reflection effect by black mixing of infrared transparent can be made into brown series with titanium yellow powder.
Embodiment
Below embodiments of the invention are further described:
One, formulation for coating material is weighed with weight percent.The supporting system of whole coating is divided into priming paint, middle coating, investment precoat.
1, the priming paint formulating of recipe adopts the two component epoxy lacquer.
First component prescription: component B prescription:
828 Resins, epoxy 25-40 parts, 2015 solidifying agent 10-30 parts
Color stuffing 8-30 2041 solidifying agent 20-40 parts
BYK-ATU wetting dispersing agent 1-3 part butanols 3-10 part
BYK-405 flow agent 1-3 part dimethylbenzene 30-50 part
E1 defoamer 1-3 part
Butanols 3-8 part
Dimethylbenzene 3-8 part
The described color stuffing of first component is one or more of functional antirust fillers such as titanium dioxide, red iron oxide, aluminium powder, mica powder.
The used Resins, epoxy of first component is 828 Resins, epoxy, one or more of the Resins, epoxy of models such as also available 601,6101,618.
The used solidifying agent of component B is 2015,2041 cashew nut shell oil class solidifying agent, one or more of polyamide-based solidifying agent such as also available 650,651.
First and second components use by mixing in 2: 1 with hundred parts of ratios of weight.
2, the intermediate layer coating formulating of recipe adopts the two component epoxy lacquer.
First component prescription: component B prescription:
828 Resins, epoxy 25-40 parts, 650 polyamide curing agent 30-50 parts
5020FPS cenosphere 5-20 part butanols 3-10 part
3000 order infrared ceramic powder 8-20 part dimethylbenzene 30-50 parts
Color stuffing 15-25 part
BYK-ATU wetting dispersing agent 1-3 part
BYK-405 flow agent 1-3 part
E1 defoamer 1-3 part
Butanols 3-8 part
Dimethylbenzene 5-15 part
The described color stuffing of first component is one or more of fillers such as titanium dioxide, process white, mica powder, talcum powder.
The used Resins, epoxy of first component is 828 Resins, epoxy, one or more of the Resins, epoxy of models such as also available 601,6101,618.
The used solidifying agent of component B is 650,651 polyamide-based solidifying agent, one or more of also available 2015,2041 cashew nut shell oil class solidifying agent.
First and second components use by mixing in 6: 1 with hundred parts of ratios of weight.
3, the investment precoat formulating of recipe adopts the double-component acrylic acid polyurethane lacquer.
First component prescription: component B prescription:
860 pure acrylic resin 25-50 part HDI solidifying agent 30-50 parts
3000 order infrared ceramic powder 5-15 part N-BUTYL ACETATE 3-10 parts
Titanium dioxide 8-20 part dimethylbenzene 25-40 part
Specific function pigment 0-7 part
Filler 15-25
32900 dispersion agent 1-3 parts
BYK-405 flow agent 1-3 part
Butanols 1-3 part
N-BUTYL ACETATE 3-8 part
Dimethylbenzene 3-8 part
The described specific function pigment of first component does not add when producing white coating materials.
Add 800 order titanium yellow powder 0.2-7 parts when producing the Yellow series coating materials.
Add the black powder 0.2-7 part of 800 order infrared transparents when producing grey color system coating materials.
Add 800 order titanium yellow powders and the black powder of 800 order infrared transparents when producing brown serial coating materials, the two adds total amount is 0.3-7 part.
The used titanium dioxide of first component is a rutile-type.
The described filler of first component comprises one or more of fillers such as process white, light calcium carbonate, talcum powder.
The component B solidifying agent is the HDI solidifying agent, also available one or more of solidifying agent such as TDI, 3900, PU740, PU540 of comprising.
First and second components use by mixing in 10: 1 with hundred parts of ratios of weight.
Two, production technique
The supporting system production technique of whole coating is general.
First component technology is: resin, solvent, auxiliary agent, (face) filler are added agitator kettle back sand milling to the fineness that stirs successively reach the prescription limit value, arrive the limited range after-filtration with corresponding solvent adjustment viscosity and pack.
Component B technology is: solidifying agent and solvent are stirred, pack to the limited range after-filtration with corresponding solvent adjustment viscosity.
Three, construction technology
During coating decoration first and second components being mixed use by corresponding proportioning gets final product.The typical case is supporting to be: priming paint 2 roads, 80 microns of total builds, middle coating 1 road, 90 microns of total builds, investment precoat 2 roads, 80 microns of total builds, whole supporting coating dry film total thickness is no more than 250um, and the per pass paint spraying is done solid work back (25 ℃ 24 hours) one coating under the application more at least.
The surface treatment of coated article must be up to standard, recommends to adopt Airless spraying.

Claims (3)

1. a heat insulating reflecting anticorrosive paint is characterized in that the supporting system of coating is divided into bottom, middle layer, investment precoat, and formulation for coating material is weighed with hundred parts of ratios of weight,
1), the priming paint formulating of recipe adopts the two component epoxy lacquer,
First component prescription: component B prescription:
828 Resins, epoxy 25-40 parts, 2015 solidifying agent 10-30 parts
Color stuffing 8-30 2041 solidifying agent 20-40 parts
BYK-ATU wetting dispersing agent 1-3 part butanols 3-10 part
BYK-405 flow agent 1-3 part dimethylbenzene 30-50 part
E1 defoamer 1-3 part
Butanols 3-8 part
Dimethylbenzene 3-8 part
First and second components use by mixing in 2: 1 with hundred parts of ratios of weight,
2), the intermediate layer coating formulating of recipe adopts the two component epoxy lacquer,
First component prescription: component B prescription:
828 Resins, epoxy 25-40 parts, 650 polyamide curing agent 30-50 parts
5020FPS cenosphere 5-20 part butanols 3-10 part
3000 order infrared ceramic powder 8-20 part dimethylbenzene 30-50 parts
Color stuffing 15-25 part
BYK-ATU wetting dispersing agent 1-3 part
BYK-405 flow agent 1-3 part
E1 defoamer 1-3 part
Butanols 3-8 part
Dimethylbenzene 5-15 part
First and second components use by mixing in 6: 1 with hundred parts of ratios of weight;
3), the investment precoat formulating of recipe adopts the double-component acrylic acid polyurethane lacquer,
First component prescription: component B prescription:
860 pure acrylic resin 25-50 part HDI solidifying agent 30-50 parts
3000 order infrared ceramic powder 5-15 part N-BUTYL ACETATE 3-10 parts
Titanium dioxide 8-20 part dimethylbenzene 25-40 part
Specific function pigment 0-7 part
Filler 15-25
32900 dispersion agent 1-3 parts
BYK-405 flow agent 1-3 part
Butanols 1-3 part
N-BUTYL ACETATE 3-8 part
Dimethylbenzene 3-8 part
First and second components use by mixing in 10: 1 with hundred parts of ratios of weight;
The Resins, epoxy of used also available 601,6101,618 models of 828 Resins, epoxy replaces in bottom, the intermediate layer coating first component; Investment precoat component B solidifying agent can be replaced by TDI3900, PU740, PU540 solidifying agent.
2. heat insulating reflecting anticorrosive paint according to claim 1 is characterized in that the described color stuffing of priming paint first component is one or more of titanium dioxide, red iron oxide, aluminium powder, the functional antirust color stuffing of mica powder; The described color stuffing of middle coating first component is one or more of titanium dioxide, process white, mica powder, talcum powder color stuffing; The described filler of investment precoat first component comprises one or more of process white, light calcium carbonate, talcum powder; The used titanium dioxide of described first component is rutile-type.
3. heat insulating reflecting anticorrosive paint according to claim 1, it is characterized in that described specific function pigment is for making the Yellow series investment precoat with 800 order titanium yellow powder 0.2-7 parts, make grey color system investment precoat with the black powder 0.2-7 part of 800 order infrared transparents, make brown serial investment precoat for 0.3-7 part with the black powder total amount of 800 order titanium yellow powder+infrared transparents.
CN2009101001496A 2009-06-25 2009-06-25 Heat insulating reflecting anticorrosive paint CN101585992B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN101585992B true CN101585992B (en) 2011-02-02

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Denomination of invention: Heat insulating reflecting anticorrosive paint

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