CN102516838B - Bottle green heat-reflective paint - Google Patents
Bottle green heat-reflective paint Download PDFInfo
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- CN102516838B CN102516838B CN 201110429053 CN201110429053A CN102516838B CN 102516838 B CN102516838 B CN 102516838B CN 201110429053 CN201110429053 CN 201110429053 CN 201110429053 A CN201110429053 A CN 201110429053A CN 102516838 B CN102516838 B CN 102516838B
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Abstract
The invention relates to a bottle green heat-reflective paint, which belongs to the field of paints. According to the invention, a metal oxide green pigment and a titanium dioxide white pigment, both of which have high infrared reflectance, are combined with an organic resin so as to form the bottle green heat-reflective paint, thereby preventing the influence of other colored pigments on high infrared reflectance; the prepared bottle green heat-reflective paint has extremely high infrared reflectance.
Description
Technical field
The invention belongs to chemical field, particularly a kind of bottle green heat-reflective paint and preparation method thereof.
Background technology
Since the seventies, construction industry, petroleum industry, transport trade, weapon industry etc. develop rapidly, require to use the new coating of reflected solar energy, be exposed to table of equipment finishing coat temperature under solar radiant heat with reduction, thereby prevention thermal energy conduction, reach and improve Working environment, improve the purposes such as security.At present, domestic research to light heat reflection coatings is more, and is less to the research of colored heat reflection coatings, be mainly because the heat reflection efficient of light-coloured coating is higher, and the colo(u)r coating heat reflection performance is relatively poor.For satisfying the requirement of heat reflection coatings decorate properties, need a kind of colored heat reflection coatings of exploitation.At present, the Qingdao Haiyang corrosion research Yang Wanguo developed the heat reflection coatings of green black colour, Inst. of Marine Chemical Engineering also has exploitation and the sale of green heat reflection coatings, but its related green coating be add on the basis of light heat reflection coatings that phthalein is dark green, titanium is green, the pigment such as titanium chrome yellow, siderochrome are black, barba hispanica, iron oxide yellow, iron oxide red, medium chrome yellow medium yellow, these pigment have very high thermal absorptivity, the heat reflection performance of the coating that has a strong impact on.
Summary of the invention
For above-mentioned deficiency of the prior art, the invention provides a kind of bottle green heat-reflective paint that adopts organic resin and the preparation of heat reflection pigment, this bottle green heat-reflective paint has high properties of infrared reflection.For achieving the above object, the technical solution used in the present invention is:
A kind of bottle green heat-reflective paint, component is as follows according to weight percent:
Resin 10-40%,
Solidifying agent 0-30%,
Deep green heat reflection pigment 5-70%,
Titanium dioxide 5-70%,
Dispersion agent 0.3-1%,
Defoamer 0-1%,
Auxiliary rheological agents 0-1%,
Solvent 5-70%,
Described deep green reflective paint is products therefrom after metal oxide is calcined under 1000-1300 ℃, described metal oxide is one or more in chromic oxide, ferric oxide, aluminium hydroxide, titanium oxide, Neodymium trioxide, Praseodymium trioxide, yttrium oxide, wherein must contain chromic oxide, chromic oxide content is 50%-90%, and other metal oxides are 10%-50%.
Technical scheme of the present invention is preferred:
Resin 30-35%,
Solidifying agent 0-20%,
Deep green heat reflection pigment 20-25%,
Titanium dioxide 20-25%,
Dispersion agent 0.5-0.8%,
Defoamer 0-0.8%,
Auxiliary rheological agents 0-0.8%,
Solvent 5-20%.
Described resin is epoxy resin, polyether resin, acrylic resin or fluorocarbon resin, and described solidifying agent is epoxy curing agent, isocyanate curing agent or the vinylformic acid solidifying agent corresponding with resin-phase.
Described titanium dioxide is the anatase titanium dioxide of high heat reflection efficient.
Described dispersion agent is BYK-110, BYK190, and defoamer is BYK-052, BYK999, and auxiliary rheological agents is BYK-410.
Described solvent comprises butylacetate, toluene, dimethylbenzene, butanols or water.
Compared with prior art, the invention has the beneficial effects as follows: employing of the present invention itself namely has metal oxide veridian and the titanium dioxide white pigment of higher properties of infrared reflection, thereby avoided the impact of other colored pigment on properties of infrared reflection, resulting bottle green heat-reflective paint has high properties of infrared reflection.
Description of drawings
Fig. 1 is the spectral reflectivity figure of embodiment 4 gained bottle green heat-reflective paints.
The spectral reflectivity figure of Fig. 2 Comparative Examples gained bottle green heat-reflective paint.
Embodiment
The invention will be further described below in conjunction with specific embodiment.Following examples only are used for explanation the present invention, are not used in restriction protection scope of the present invention.
The preparation [preparation of heat reflection pigment 1] of embodiment 1 deep green heat reflection pigment
Chromic oxide, ferric oxide, titanium oxide, Neodymium trioxide are mixed according to 60%, 25%, 10%, 5% ratio, then the ground and mixed powder.And the uniform powder of ground and mixed progressively is added to the water, stir, form slip.Slip is inserted in constant temperature oven dry, forms green spherical reunion powder.Powder was calcined 7 hours quenching, oven dry in water at 1200 ℃.The powder of making is carried out aftertreatment, and the powder that filters out the 1 following particle diameter of μ m is as heat reflection pigment.
The preparation example 2 [preparation of heat reflection pigment 2] of embodiment 2 deep green heat reflection pigment
Chromic oxide, aluminium hydroxide, titanium oxide, Praseodymium trioxide are mixed according to 60%, 25%, 10%, 5% ratio, then the ground and mixed powder.And the uniform powder of ground and mixed progressively is added to the water, stir, form slip.Slip is inserted in constant temperature oven dry, forms green spherical reunion powder.Powder was calcined 7 hours quenching, oven dry in water at 1200 ℃.The powder of making is carried out aftertreatment, and the powder that filters out the 1 following particle diameter of μ m is as heat reflection pigment.
The preparation [preparation of heat reflection pigment 3] of embodiment 3 deep green heat reflection pigment
Chromic oxide, titanium oxide, yttrium oxide are mixed according to 80%, 15%, 5% ratio, then the ground and mixed powder.And the uniform powder of ground and mixed progressively is added to the water, stir, form slip.Slip is inserted in constant temperature oven dry, forms green spherical reunion powder.Powder was calcined 7 hours quenching, oven dry in water at 1200 ℃.The powder of making is carried out aftertreatment, and the powder that filters out the 1 following particle diameter of μ m is as heat reflection pigment.
Embodiment 4
Get respectively deep green heat reflection pigment 1100g, dispersant B YK110 30g, 30g defoamer BYK-052, the E-51 epoxy resin 1800g of titanium dioxide 1100g, embodiment 1, dispersion agent is added in the mixing solutions of dimethylbenzene 312g and butanols 208g under high-speed stirring, to be mixed evenly rear with basket type sand mill grinding 2-3 hour, obtain heat reflection coatings A component.
The B component is epoxy curing agent 450g
Embodiment 5
Get deep green heat reflection pigment 1100g and the dispersant B YK190 30g of titanium dioxide 1100g, embodiment 2 by massfraction, dispersion agent is added in 270g water under high-speed stirring, then add successively titanium dioxide and heat reflection pigment in the water that is added with dispersion agent, to be mixed evenly rear with basket type sand mill grinding 2-3 hour, obtain mill base.
In under high-speed stirring, 1500g hydroxy acryl acid resin, 30g BYK999 and 30g BYK410 being joined mill base, disperseed 60 minutes with the rotating speeds of 800 rev/mins.Obtain aqueous polyurethane heat reflection coating A component.
The B component is isocyanate curing agent 750g.
Embodiment 6
Get deep green heat reflection pigment 1100g and the dispersant B YK190 30g of titanium dioxide 1100g, embodiment 3 by massfraction, dispersion agent is added in 270g water under high-speed stirring, then add successively titanium dioxide and heat reflection pigment in the water that is added with dispersion agent, to be mixed evenly rear with basket type sand mill grinding 2-3 hour, obtain mill base.
In under high-speed stirring, 1500g fluorine carbon emulsion, 30g BYK999 and 30g BYK410 being joined mill base, disperseed 60 minutes with the rotating speeds of 800 rev/mins.Obtain fluorine carbon heat reflection coatings.
Comparative Examples
Get medium chrome yellow medium yellow 1800g, permanent violet 25g, titanium dioxide 150g, the blue or green blue 50g, perylene of phthalein black 5 grams, far infrared ceramic powder 300g and dispersant B YK190 30g by mass fraction.Under high-speed stirring, dispersion agent is added in the mixed solvent of 3120g dimethylbenzene and 208g butanols, then add successively various pigment in the water that is added with dispersion agent, to be mixed evenly rear with basket type sand mill grinding 2-3 hour, obtain mill base.
In under high-speed stirring, E-51 epoxy resin 1800g being joined mill base, disperseed 60 minutes with the rotating speeds of 800 rev/mins, obtain heat reflection coatings A component.
The B component is epoxy hardener 450g
Experimental example:
During use, A, B component were fully mixed 10 minutes under the high-speed stirring condition, adopt spraying or brush technique to be coated to equipment surface, self-vulcanizing.
Adopt spraying coating process heat reflection coatings to be sprayed to the tinplate surface of 7cm * 7cm, after film-forming on the UV-3600 spectrophotometer that Shimadzu company produces its spectral reflectance performance of test.As Fig. 1. as shown in.And the spectral reflectance performance of employing Comparative Examples as shown in Figure 2.
Contrast two figure, can find out: the bottle green heat-reflective paint that adopts the prior art exploitation, chrome yellow, permanent violet, the blue or green Lan, of phthalein perylene are black etc. has the strong tinting material that absorbs to heat owing to having used, its at the heat reflectivity of each wavelength all lower than below 80%, and the heat reflection coatings (embodiment 4) that adopts the present invention to prepare, owing to only having used deep green pigment and the TiO 2 pigment with higher thermal reflectivity, resulting bottle green heat-reflective paint has high heat reflection performance.
Claims (6)
1. bottle green heat-reflective paint, its composition and weight percent thereof are:
Described deep green reflective paint is products therefrom after metal oxide is calcined under 1000-1300 ℃, described metal oxide is several in chromic oxide, ferric oxide, aluminium hydroxide, titanium oxide, Neodymium trioxide, Praseodymium trioxide, yttrium oxide, wherein must contain chromic oxide, chromic oxide content is 50%-90%, and other metal oxides are 10%-50%.
2. bottle green heat-reflective paint according to claim 1, wherein
3. bottle green heat-reflective paint according to claim 1 and 2, described resin is epoxy resin, polyether resin, acrylic resin or fluorocarbon resin, and described solidifying agent is epoxy curing agent, isocyanate curing agent or the vinylformic acid solidifying agent corresponding with resin-phase.
4. bottle green heat-reflective paint according to claim 1 and 2, described titanium dioxide is high heat reflection efficient anatase titanium dioxide.
5. bottle green heat-reflective paint according to claim 1 and 2, described dispersion agent is BYK-110, BYK190, and defoamer is BYK-052, BYK999, and auxiliary rheological agents is BYK-410.
6. bottle green heat-reflective paint according to claim 1 and 2, described solvent comprises butylacetate, toluene, dimethylbenzene, butanols or water.
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| CN 201110429053 CN102516838B (en) | 2011-12-20 | 2011-12-20 | Bottle green heat-reflective paint |
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| CN 201110429053 CN102516838B (en) | 2011-12-20 | 2011-12-20 | Bottle green heat-reflective paint |
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| CN102516838B true CN102516838B (en) | 2013-11-06 |
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| CN104109455A (en) * | 2013-04-17 | 2014-10-22 | 中国人民解放军91872部队 | Dark color solar heat reflective cooling paint |
| CN104804554A (en) * | 2015-04-08 | 2015-07-29 | 牛无畏 | High weather-resistant multifunctional exterior wall coating material and preparation method thereof |
| CN108178966A (en) * | 2017-12-28 | 2018-06-19 | 浙江工业大学 | Super-hydrophobic anti-infrared insulating moulding coating of a kind of dark color and preparation method thereof |
| CN109021634A (en) * | 2018-07-06 | 2018-12-18 | 西南交通大学 | A kind of reflection-type coating prefabrication, reflection-type coating and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101195725A (en) * | 2007-12-29 | 2008-06-11 | 株洲时代新材料科技股份有限公司 | Heat-insulating energy-saving paint for vehicle and method for producing the same |
| CN101475218A (en) * | 2008-01-04 | 2009-07-08 | 中国科学院过程工程研究所 | Method for directly preparing pigment grade chromium hemitrioxide green by using chromic hydroxide |
| CN102002293A (en) * | 2010-11-12 | 2011-04-06 | 航天材料及工艺研究所 | Thin multifunctional solar reflecting coating and preparation method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101195725A (en) * | 2007-12-29 | 2008-06-11 | 株洲时代新材料科技股份有限公司 | Heat-insulating energy-saving paint for vehicle and method for producing the same |
| CN101475218A (en) * | 2008-01-04 | 2009-07-08 | 中国科学院过程工程研究所 | Method for directly preparing pigment grade chromium hemitrioxide green by using chromic hydroxide |
| CN102002293A (en) * | 2010-11-12 | 2011-04-06 | 航天材料及工艺研究所 | Thin multifunctional solar reflecting coating and preparation method thereof |
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Address after: 266071 Shandong Province, Qingdao city Jinhu Road No. 4 Applicant after: Marine Chemical Research Institute Address before: 266071 Shandong Province, Qingdao city Jinhu Road No. 4 Applicant before: Research Inst of Ocean Chemistry |
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