CN103881549A - Low-solar absorption energy-saving weather-resistant ocean grey finish paint and preparation method thereof - Google Patents
Low-solar absorption energy-saving weather-resistant ocean grey finish paint and preparation method thereof Download PDFInfo
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- CN103881549A CN103881549A CN201310625160.0A CN201310625160A CN103881549A CN 103881549 A CN103881549 A CN 103881549A CN 201310625160 A CN201310625160 A CN 201310625160A CN 103881549 A CN103881549 A CN 103881549A
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Abstract
The invention discloses low-solar absorption energy-saving weather-resistant ocean grey finish paint which consists of a component A and a component B, wherein the component A comprises the following components in percentage by mass: 35-45 percent of polyurethane resin, 25-35 percent of modified titanium dioxide, 5-15 percent of kaolin or calcium carbonate, 0.5-1.5 percent of functional black pigment, 0.1-0.3 percent of functional green pigment, 8-18 percent of solvent and 2-5 percent of aids; the component B comprises the following component in percentage by mass: 10-15 percent of aliphatic polyisocyanate. The low-solar absorption energy-saving weather-resistant ocean grey finish paint is applied to hulls above ship waterlines and outer surfaces of superstructures, adsorption of outer walls of the ships on sunlight illumination energy can be reduced, increase of temperature in the compartment is reduced, the living and working conditions of the crew are improved, and lots of cooling cost is saved.
Description
Technical field
The invention belongs to special type function material field, especially relate to a kind of low solar absorption energy-saving weatherproof type sea grey finish paint.
Background technology
When global construction industry, petroleum industry, transport trade, weapon industry etc. develop rapidly, environment-friendly temperature-reducing, raising production security aspect more and more receive domestic and international personage's concern.The research of external various cooling coatings is very active at present, a lot of fields are widely used in, as American R & D a kind of application of paints in space shuttle heat-insulation and heat-preservation, make filler with hollow ceramic microballon, this class coating can make coated article (as house) internal temperature greatly reduce, obviously reduce air-conditioning and take (saving energy 40%), have good corrosion protection, fire-retardant, water-proof function concurrently simultaneously, safety non-toxic, has been widely used in oil gas storage tank, the building construction roof of the states such as the U.S., Japan, Malaysia and Singapore.The heat insulation C16 of the council of U.S. ASTM has also formulated C1483 standard (heat-reflecting insulating coating), all technical, testing method to heat reflection coatings have been made regulation, indicate " heat-reflecting heat-insulating protective system " formally by the U.S. accept and given application in association area, as steel construction, external wall etc.In addition, the research of coating or cooling material of lowering the temperature of people's huge fund is all thrown by the country such as Japanese, Italian, and starts commercialization.It is reported, Japan comes into effect and corrects after energy law (rationally using the relevant law of the energy), and each associated companies is all accelerating to carry out solar energy shielding coating, adiabatic coating.Shipbuilding industry aspect, heat reflection type ship shell finish paint is applied on naval vessel.
The heat reflection coatings home products of covil construction is more, existing industry internal standard: JG/T235-2008, and its ratio of solar energy reflection to heat reflection coatings, hemispherical emissivity, the heat insulation temperature difference and the decay of the heat insulation temperature difference have proposed index request.Domestic about development energy-conservation, cooling coating report in recent years quantity increase to some extent, associated patent has " reflective heat-insulation paint " patent, application number: 201110114940.X, " heat reflection energy-saving coating ", application number: 201110096710.5, these patents for be all whitewash, due to the singularity of low solar energy absorbing paint, cause dark coating can obviously reduce the low solar absorption effect of coating, the coating that therefore these patents are protected is not also suitable for dark-colored paint aspect, aspect colored paint, publication " colour reflective thermal insulating coating and colour atla thereof ", application number: 201110093093.3, it has reported a kind of colo(u)r coating with reflective insulation function, employing ferrochrome is black, ferrochrome is red, cobalt blue, titan yellow, five kinds of pigment of cobalt green replace the conventional carbon black of tradition, red iron oxide, organic yellow, phthalein viridescent, the pigment such as phthalocyanine blue, , make this coating can not only meet the demand of decoration of exterior wall to color, and higher to the reflectivity of sun power, it is black pigment that but this colo(u)r coating adopts ferrochrome black, the tinting strength that ferrochrome is black is poor, while being prepared into dark-colored paint, need add a large amount of ferrochrome black, cause the reflectivity of sun power to decline obviously.Within 2011, authorize one section about " grey hull finish coat in a kind of low solar absorbing energy-saving type " patent, the patent No.: ZL200910137811.5.The extra large grey energy-saving weatherproof profile paint of solar reflecting properties excellence is not yet reported.
Summary of the invention
Because boats and ships are subject to sunlight exposure for a long time on sea; in cabin, temperature is sometimes up to more than 45 DEG C; the object of the invention is to develop the grey hull finish coat in a kind of low solar absorption sea is a kind of functional paint system; be used on naval vessel and can be coated in ship hull and superstructure; thereby reduce the absorption of naval vessel outer wall to solar light irradiation energy, reduce the raising of room temp, improve crewman's Life and job condition; save a large amount of cooling expenses, and meet the demand of naval's ash colour system outward appearance.Meanwhile, this coating also can be applicable to petrochemical industry industry if storage tank outside surface and construction industry are as the framework of steel construction and roof, thereby effectively reduces the caused temperature of the absorption of the sun power save energy that raises.
In order to realize described goal of the invention, the present invention adopts following technical scheme:
A kind of low solar absorption energy-saving weatherproof type sea grey finish paint, formed by first component and component B, the shared mass percent of first component is: urethane resin 35～45%, modifying titanium dioxide 25～35%, kaolin or fine particle calcium carbonate 5～15%, function black pigment 0.5～1.5%, functional pollution-proof pigment 0.1～0.3%, solvent 8～18%, auxiliary agent 2～5%; The shared mass percent of component B is: aliphatic polymeric isocyanate 10～15%.
Modifying titanium dioxide of the present invention is that titanium dioxide and aluminum oxide mixed calcining make.
The granularity of kaolin of the present invention or fine particle calcium carbonate is greater than 800 orders.
Function black pigment of the present invention is that ferriferous oxide, nickel oxide and chromated oxide mix and calcine and make.
Functional pollution-proof pigment of the present invention is that copper oxide, cobalt/cobalt oxide and aluminum oxide mix and calcine and make.
Solvent of the present invention is dimethylbenzene, PMA and N-BUTYL ACETATE mixed solvent.
The preparation method of a kind of low solar absorption energy-saving weatherproof type sea grey finish paint, before feeding intake, prepare: the face such as titanium dioxide, filler are accurately weighed according to the requirement of turnout, be positioned over separately in the pallet of dried and clean, putting into Electric heat oven dries, after naturally cooling, the face such as titanium dioxide, filler are packed respectively to sealing for subsequent use, and identify accordingly; Its preparation process is: (1) mixes urethane resin, solvent and auxiliary agent by proportioning, stirring at low speed 15min; (1) add kaolin or fine particle calcium carbonate,
And pigment, high speed dispersion 30min; (3) sand milling 2h, until fineness is qualified; (4) supplement the quantity of solvent of volatilizing, the qualified rear filtration of viscosity, discharging tinning makes first component; (5) while use, first component and component B are mixed in proportion.
Owing to having adopted technique scheme, the present invention has following beneficial effect:
Easily absorb this problem of sunlight for solving dark-colored paint, selected resin is the smaller the better to visible ray and near infrared absorption, requires the transparency of resin high simultaneously, and transmittance is more than 80%, and at this moment the specific absorption of sun power is low; Taking superstructure as main range of application, in resin kind, consider the weather resisteant of surface layer, therefore select the matrix resin of urethane resin as low solar absorbing energy-saving type sea grey finish paint.
In sunlight luminous energy, visible ray accounts for wherein 45%, infrared light accounts for 50%, UV-light accounts for 5%, but account for 17% for the contribution medium ultraviolet light of heat energy, general white pigment all has certain reflection-type to sunlight, rutile titanium dioxide powder has relatively large reflection to sunlight, especially UV-light is had to good reflection, adopt rutile titanium dioxide and aluminum oxide to be mixed in proportion and to calcine and obtain a kind of modifying titanium dioxide, when further improving infrared reflection function, can reduce the interpolation of black pigment, and in modifying titanium dioxide, add granularity to be greater than the white ultrafine powder of 800 object kaolin or fine particle calcium carbonate, and can in improving sunlight reflectivity, reduce the consumption of some function white pigments, it has again comparatively stable chemical property simultaneously, but due to modifying titanium dioxide, kaolin or fine particle calcium carbonate are all white, make the painting color of preparation single, need in formula, add tinting pigment, general black pigment all has compared with high visible and ir-absorbance, and ferriferous oxide, nickel oxide and chromated oxide are to have visible ray and infrared reflection, can systematic function black powder through being mixed in proportion and calcining, copper oxide, cobalt/cobalt oxide and aluminum oxide are through being mixed in proportion and calcining the functional pollution-proof powder that can generate low infrared emission, powder adds and has on a small quantity the function black powder of infrared reflection and functional pollution-proof powdered mixture as tinting pigment in formula, not only ensured the Infrared in sunlight to there is larger reflectivity but also can play the effect of Color conditioning, application sand milling technique is prepared the finish paint with good weatherability properties energy, and test result shows to have higher solar reflectance.
Auxiliary agent is the indispensable integral part of low solar absorption energy-saving coatings, can improve the correlated performance of coating.By adding of the multiple auxiliary agents such as the dispersion agent to coating, defoamer, thixotropic agent, film coalescence aid, ensure stability and the easy construction of coating system.The use of solvent is to select according to the resin system of selecting, the use of mixed type solvent is more conducive to dispersion and the spraying coating process of coating, according to the volatility of solvent, select dimethylbenzene, PMA, N-BUTYL ACETATE to mix, form the solvent of mixed type solvent as coating.
The low sun absorbs energy-saving weatherproof type sea grey finish paint, be applied to the above shell of boats and ships waterline and superstructure outside surface, can reduce the absorption of naval vessel outer wall to solar light irradiation energy, reduce the raising of cabin room temp, improve crewman's Life and job condition, save a large amount of cooling expenses; Also can in petrochemical industry accumulating industry, apply, as be coated on tank wagon, large-scale oil storage tank outside surface, freight container outside surface, improve the security of the storages such as petrochemical industry accumulating; Can in construction industry, apply, be coated on steel structural roof, can play effect anticorrosion, cooling energy-saving.
Brief description of the drawings
Fig. 1 is the production technological process that the low sun of first component of the present invention absorbs energy-saving weatherproof type sea grey finish paint.
Fig. 2 is that the low sun of the present invention absorbs energy-saving weatherproof type sea grey finish paint to solar spectrum wave band reflectance curve figure.
Embodiment
Explanation the present invention that can be detailed by the following examples, discloses object of the present invention and is intended to protect all technological improvements in the scope of the invention
The key technical indexes of the low sun absorption of the present invention energy-saving weatherproof type sea grey finish paint is as shown in table 1:
The low sun of table 1 absorbs energy-saving weatherproof type sea grey finish paint the key technical indexes
It is two component chemical reaction type coating that the low sun of the present invention absorbs energy-saving weatherproof type sea grey finish paint, and coating mainly, with two component high pressure airless spray equipment sprayings, is recommended application twice.Embodiment and products thereof detected result is in table 2～table 7.
Table 2: embodiment 1
The product detected result of table 3 embodiment 1
Table 4 embodiment 2
The product detected result of table 5 embodiment 2
Table 6 embodiment 3
The product detected result of table 7 embodiment 3
Part not in the detailed description of the invention is prior art.
Claims (7)
1. one kind low solar absorption energy-saving weatherproof type sea grey finish paint, formed by first component and component B, it is characterized in that: the shared mass percent of first component is: urethane resin 35～45%, modifying titanium dioxide 25～35%, kaolin or fine particle calcium carbonate 5 ~ 15%, function black pigment 0.5 ~ 1.5%, functional pollution-proof pigment 0.1 ~ 0.3%, solvent 8～18%, auxiliary agent 2～5%; The shared mass percent of component B is: aliphatic polymeric isocyanate 10 ~ 15%.
2. low solar absorption energy-saving weatherproof type as claimed in claim 1 sea grey finish paint, is characterized in that: described modifying titanium dioxide is that titanium dioxide and aluminum oxide mixed calcining make.
3. low solar absorption energy-saving weatherproof type as claimed in claim 1 sea grey finish paint, is characterized in that: the granularity of described kaolin or fine particle calcium carbonate is greater than 800 orders.
4. low solar absorption energy-saving weatherproof type as claimed in claim 1 sea grey finish paint, is characterized in that: described function black pigment is that ferriferous oxide, nickel oxide and chromated oxide mix and calcine and make.
5. low solar absorption energy-saving weatherproof type as claimed in claim 1 sea grey finish paint, is characterized in that: described functional pollution-proof pigment is that copper oxide, cobalt/cobalt oxide and aluminum oxide mix and calcine and make.
6. low solar absorption energy-saving weatherproof type as claimed in claim 1 sea grey finish paint, is characterized in that: described solvent is dimethylbenzene, PMA and N-BUTYL ACETATE mixed solvent.
7. a preparation method for low solar absorption energy-saving weatherproof type as claimed in claim 1 sea grey finish paint, is characterized in that: its preparation process is: (1) mixes urethane resin, solvent and auxiliary agent by proportioning, stirring at low speed 15min; (1) add kaolin or fine particle calcium carbonate, and pigment, high speed dispersion 30min; (3) sand milling 2h, until fineness is qualified; (4) supplement the quantity of solvent of volatilizing, the qualified rear filtration of viscosity, discharging tinning makes first component; (5) while use, first component and component B are mixed in proportion.
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| CN201310625160.0A CN103881549A (en) | 2013-11-29 | 2013-11-29 | Low-solar absorption energy-saving weather-resistant ocean grey finish paint and preparation method thereof |
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| CN201310625160.0A CN103881549A (en) | 2013-11-29 | 2013-11-29 | Low-solar absorption energy-saving weather-resistant ocean grey finish paint and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110669418A (en) * | 2019-10-24 | 2020-01-10 | 重庆重交再生资源开发股份有限公司 | Grey heat-reflection cooling coating and application and preparation method thereof on asphalt pavement |
| US11254817B2 (en) * | 2018-03-31 | 2022-02-22 | Certainteed Llc | Polyurethane composite material, article comprising the material and method of manufacture |
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| US5405680A (en) * | 1990-04-23 | 1995-04-11 | Hughes Aircraft Company | Selective emissivity coatings for interior temperature reduction of an enclosure |
| CN1405248A (en) * | 2002-01-30 | 2003-03-26 | 北京京安固特化工有限责任公司 | Acrylic resin sun-heat reflecting coating |
| CN101550314A (en) * | 2008-04-02 | 2009-10-07 | 上海海悦涂料有限公司 | Polyurethane heat reflection ship hull coating |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11254817B2 (en) * | 2018-03-31 | 2022-02-22 | Certainteed Llc | Polyurethane composite material, article comprising the material and method of manufacture |
| CN110669418A (en) * | 2019-10-24 | 2020-01-10 | 重庆重交再生资源开发股份有限公司 | Grey heat-reflection cooling coating and application and preparation method thereof on asphalt pavement |
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Application publication date: 20140625 |