CN104164170A - Low-gloss high-reflectivity thermal-insulation powder paint - Google Patents
Low-gloss high-reflectivity thermal-insulation powder paint Download PDFInfo
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- CN104164170A CN104164170A CN201410428588.0A CN201410428588A CN104164170A CN 104164170 A CN104164170 A CN 104164170A CN 201410428588 A CN201410428588 A CN 201410428588A CN 104164170 A CN104164170 A CN 104164170A
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Abstract
The invention relates to a powder paint, particularly a low-gloss high-reflectivity thermal-insulation powder paint. The powder paint is prepared by adding nano zirconium dioxide, a curing accelerator, a cold pigment, a filler and assistants into high-acid-value super-weather-resistance carboxyl-terminated matting polyester used as a base material. The low-gloss high-reflectivity thermal-insulation powder paint only has 3-7 units of gloss, has the ultraviolet long-wave/medium-wave and infrared reflectivity of higher than 85%, can effectively obstruct 85-90% of the sunlight long/short-wave heat source, has greatly lower the short-wave absorptivity and low heat conductivity coefficient (not more than 0.0563 W/m.K), has favorable weather resistance and thermal insulation property, and can low lower the thermal-insulation function due to the pollution on the coated film surface. The low-gloss high-reflectivity thermal-insulation powder paint has light gloss, high reflectivity, low heat conductivity coefficient, low heat storage coefficient and other heat engineering properties, and is an energy-saving environment-friendly paint which has the advantages of zero VOC (volatile organic compound) emission, high adhesiveness, long service life, thermal insulation, moisture resistance, flame retardancy, electric insulation, fire resistance and no peculiar smell.
Description
Technical field
The present invention relates to a kind of powder coating, be specifically related to the high reflective thermal-insulating heat-insulating powder coating of a kind of low light.
Background technology
General architectural exterior insulation is used polyurethane foam more, the materials such as extruded polystyrene XPS and molded polystyrene EPS, but construction cost is high, complicated operation, affected greatly by constructional method, be prone to heat bridge phenomenon, the reflection function of sunlight is often controlled by environmental pollution, along with seriously polluted, progressively decline.
Summary of the invention
The object of this invention is to provide the high reflective thermal-insulating heat-insulating powder coating of a kind of low light, this powder coating has that coating gloss is stable, good environmental protection, the feature that exterior durability is good.
The high reflective thermal-insulating heat-insulating powder coating of low light of the present invention, is that to take the super weather resistant end of high acid value carboxyl delustring polyester be base-material, adds nano zircite, solidifying agent, cold pigment, filler and auxiliary agent to make.
The powder coating of preferably following two formulas of the present invention:
(1) the described high reflective thermal-insulating heat-insulating powder coating of low light, by the raw material of following mass percent, made:
(2) the described high reflective thermal-insulating heat-insulating powder coating of low light, by the raw material of following mass percent, made:
Wherein:
The super weather resistant end of the preferred high acid value of described resin carboxyl delustring polyester, trade names are SJ3800, Anhui Shenjian New Material Co., Ltd. provides.
Described solidifying agent is beta-hydroxy alkylamide, and trade names are β-HAA, and Ningbo Zhihua Chemistry Co., Ltd. provides.
The preferred trade names of described nano zircite are VK-R50W, and brilliant auspicious (Shanghai) novel material company limited provides.
The preferred trade names of described flow agent are Hensic H-136 organic silicon modified by polyether flow agent, Guangzhou Heng Sike trade Co., Ltd.
The described preferred Lu Borun sand streak of sand streak agent agent, trade names are TF-1830, He Ying international trade (Shanghai) Co., Ltd. provides.
Described st-yrax is provided by South Sea medicine.
The preferred German Bi Ke air release agent of described air release agent, trade names are CERAFLOUR 961.
The cold pigment that described inorganic cold pigment optimization good fortune Lu (Suzhou) type material company limited provides.
The preferred trade names of described oxidation inhibitor are 1010, chemical name four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester.
The high reflective thermal-insulating heat-insulating powder coating of described low light is cured under 195～205 ℃, the condition of 10～15min, and completion of cure.
Powder coating of the present invention has avidity widely, very strong cohesiveness and superior thermal and insulating performance, and the exquisiteness of filming, and tone is elegant.
It is base-material that the high reflective thermal-insulating heat-insulating powder coating of low light of the present invention be take the super weather resistant end of high acid value carboxyl delustring polyester, adds nano zircite, inorganic cold pigment, filler and relevant auxiliary agent to be prepared from.The high reflective thermal-insulating heat-insulating powder coating of this low light only has the gloss (adopting 60 ° of glossometers) of 3～7 unit.The thermal source that can effectively intercept sunlight length ripple 85%-90%, significantly reduces shortwave specific absorption, its thermal conductivity≤0.0563W/ (mk) (25 ℃ of envrionment temperatures), and the heat that coating is absorbed subtracts greatly.And there is good weathering resistance, can not reduce incubation and thermal insulation function because being controlled by the pollution of film coated surface.Even if be coated in indoorly, can make too room temp reduce 4-6 ℃.In hot summer, reduce heat absorption, eliminated the baking oven effect of attic, in the cold winter, reduce heat-energy losses, significantly improve the comfort level in house and commercial applications, play effect cool in summer and warm in winter.
In the present invention, the super weather resistant end of the high acid value carboxyl delustring polyester using, powder coating is when being heating and curing reaction, can realize inner multi-component reaction, become nonhomogeneous system, thereby coatingsurface is uniform-distribution with the material that do not dissolve each other, after baking, just having reached reduction film coated surface gloss is 3～7 units (60 ° of angle glossometers).
In the present invention, in the high reflective thermal-insulating heat-insulating powder coating of low light coating, nano zircite possesses special optical characteristics, to ultraviolet long wave, in involve infrared reflection rate up to more than 85%, thermal conductivity is extremely low, can reach 0.04W/m.K, can effectively stop heat conduction, heat-insulation and heat-preservation efficiency can reach 90% left and right, and fractional energy savings reaches more than 80%, and the adiabatic grade of coating reaches R-30.1.Concrete principle is after coating is dried, nanoparticle is closely filled the space between coating, form complete air heat-insulation layer, and himself low thermal conductivity can force the transfer time of heat in coating elongated, make coating thermal conductivity also lower, can effectively hinder the generation of thermal radiation, thermal conduction and thermal convection, thereby reach desirable heat insulation and preservation effect simultaneously.Comprehensive various performance, when the addition of nano zircite (Gu containing) be prescription quality 4.5 ‰ time, net effect the best." reflection-type insulation " is that more traditional " insulation of material type " more advanced heat is transmitted adiabatic system, can more effectively reach the effect that summer is heat insulation, be incubated winter, is the energy conserving system being widely used in American-European countries at present.
Production process of the present invention is as follows:
By specific client, determine that energy saving and environment friendly high reflective thermal-insulating heat-insulating powder coating formula → the high reflective thermal-insulating heat-insulating powder coating of title raw material → machine batch mixing → coextrusion in batch mixing pot → compressing tablet material → pulverizing → grinding → mistake screen sizing → energy saving and environment friendly low light product detects packing → finished product by filling a prescription
The coating curing process of powder coating is as follows:
Under workpiece surface pre-treatment → the spray high reflective thermal-insulating of energy saving and environment friendly low light heat-insulating powder coating → 195～205 ℃/10～15min condition, heat levelling, solidify → Workpiece inspection warehouse-in.
Beneficial effect of the present invention is as follows:
It is base-material that powder coating of the present invention mainly be take the super weather resistant end of high acid value carboxyl delustring polyester, and adds appropriate solidifying agent and cold pigment, filler, nano zircite etc., and through melting mixing, cooling crush and sieving makes; Powder coating of the present invention has the thermal properties such as low light, high-reflectivity, low thermal conductivity, low heat storage coefficient, is the energy-saving and environment-friendly paint of a kind of zero VOC discharge, high tack, long lifetime, heat-insulation and heat-preservation, moisture retardant, insulation fire prevention, free from extraneous odour; It is completely curing that this powder coating can be realized 195～205 ℃, 10～15min, and it is simple to have formula, and coating gloss is stable, cost is lower, can effectively reduce the generation of thermal radiation, thermal conduction and thermal convection, thereby reaches desirable heat insulation and heat insulation effect.Its Application Areas is wide, productivity is high and energy-conserving and environment-protective, is widely used in the special insulation engineering thermal insulations of complex structure build such as the house public buildings such as construction wall, oil, chemical industry, metallurgy, electric power, all kinds of special-shaped pipeline, tower body.
Embodiment
Below in conjunction with embodiment, the present invention is described further.
In embodiment: the super weather resistant end of high acid value carboxyl delustring polyester is SJ3800, solidifying agent is β-HAA, flow agent is Hensic H-136 organic silicon modified by polyether flow agent, sand streak agent is the agent of Lu Borun TF-1830 sand streak, air release agent is German Bi Ke CERAFLOUR 961 air release agents, oxidation inhibitor is antioxidant 1010, Suzhou good fortune Lu inorganic cold pigment etc.
Embodiment 1
Adopt formula (1)
Embodiment 2
Adopt formula (1)
Embodiment 3
Adopt formula (1)
The performance test results that embodiment 1-3 powder coating is filmed is as shown in table 1:
Table 1 embodiment 1-3 powder coating film performance table with test results
| Test event | Pliability test | Shock test | Drawing test | 60 ° of gloss | Cross-hatching sticking power |
| Reference standard | GB/T6742-2007 | GB/T1732-1993 | GB/T9753-2007 | GB/T9754-2007 | GB/T9286-1998 |
| Embodiment 1 | 5mm | 50kg.cm | 6.5mm | 5 gloss unit | 0 grade |
| Embodiment 2 | 5mm | 50kg.cm | 6.3mm | 4 gloss unit | 0 grade |
| Embodiment 3 | 5mm | 50kg.cm | 7.2mm | 7 gloss unit | 0 grade |
Embodiment 4
Adopt formula (2)
Embodiment 5
Adopt formula (2)
Embodiment 6
Adopt formula (2)
The performance test results that embodiment 4-6 powder coating is filmed is as shown in table 2:
Table 2 embodiment 4-6 powder coating film performance table with test results
To two kinds of outdoor powder coating formula (coating A: plane effect powder coating under the high reflective thermal-insulating heat-insulating powder coating formula (embodiment 1,4) of two kinds of energy-conserving and environment-protective mentioned in embodiment and normal condition; B: sand streak effect powder coating) carry out comparative accelerated deterioration test.Test event was QUV-B test, and test condition is 50 ℃ of UV illumination 4 hours, in 40 ℃ of Water, steam circulation tests 4 hours.Test sample plate is the curing aluminium material model of spraying.Heat insulation and the conventional outdoor coatings ageing test result of the high reflective thermal-insulating of low light is as shown in table 3 below:
Heat insulation and the conventional outdoor coatings ageing test result of the high reflective thermal-insulating of table 3 low light
The high reflective thermal-insulating heat-insulating powder coating of low light its total color difference after weathering test of these table data presentation energy-conserving and environment-protective is slightly less than conventional outdoor powder coating, and QUV-B test 1000 hours, it is protected light rate and is greater than 50%, visible by the prepared high reflective thermal-insulating heat-insulating powder coating of this embodiment, there is good outdoor resistance to deterioration.
To two kinds of outdoor powder coating formula (coating A: plane effect powder coating under the high reflective thermal-insulating heat-insulating powder coating formula (embodiment 1,4) of two kinds of energy-conserving and environment-protective mentioned in embodiment and normal condition; B: sand streak effect powder coating) carry out the test of comparative heat insulating effect.The testing method of U.S. Military heat reflection coatings in 1976 of take is basis, uses for reference the testing method of Domestic Scientific Research unit from making heat insulation tester.Test adopts thermopair to heat, and from room temperature, starts thermometric (in wall, temperature remains on 150 ℃) when heating room temp reaches 150 ℃, continues to finish to test after 70 minutes.At interval of 5 minutes records hull-skin temperature of the coating of surveying once.Heat insulation and the conventional outdoor coatings heat insulating of the high reflective thermal-insulating of low light test result is as shown in table 4 below:
Heat insulation and the conventional outdoor coatings heat insulating of the high reflective thermal-insulating of table 4 low light test result
From table 4, be not difficult to find out the relation between different ingredients powder coating and the surface temperature of coating.Nano zircite add the surface temperature that has reduced coating, reduce its thermal conductivity, thereby improve the heat-proof quality of coating, play good heat insulation effect.
Claims (7)
1. the high reflective thermal-insulating heat-insulating powder coating of low light, is characterized in that: the super weather resistant end of the high acid value of take carboxyl delustring polyester is base-material, adds nano zircite, solidifying agent, inorganic cold pigment, filler and auxiliary agent to make.
2. the high reflective thermal-insulating heat-insulating powder coating of low light according to claim 1, is characterized in that being made by the raw material of following mass percent:
3. the high reflective thermal-insulating heat-insulating powder coating of low light according to claim 1, is characterized in that being made by the raw material of following parts by weight:
4. according to the high reflective thermal-insulating heat-insulating powder coating of low light described in claim 1,2 or 3, it is characterized in that the super weather resistant end of high acid value carboxyl dull polyester resin is SJ3800.
5. according to the high reflective thermal-insulating heat-insulating powder coating of low light described in claim 1,2 or 3, it is characterized in that solidifying agent is beta-hydroxy alkylamide.
6. according to the high reflective thermal-insulating heat-insulating powder coating of low light described in claim 1,2 or 3, it is characterized in that oxidation inhibitor is four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester.
7. according to the high reflective thermal-insulating heat-insulating powder coating of low light described in claim 1,2 or 3, it is characterized in that this powder coating, at 195～205 ℃, is cured under the condition of 10～15min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410428588.0A CN104164170A (en) | 2014-08-27 | 2014-08-27 | Low-gloss high-reflectivity thermal-insulation powder paint |
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| CN201410428588.0A CN104164170A (en) | 2014-08-27 | 2014-08-27 | Low-gloss high-reflectivity thermal-insulation powder paint |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104762002A (en) * | 2015-04-16 | 2015-07-08 | 河北韶乐新材料科技有限公司 | Electrostatic coating powdered paint and preparation method thereof |
| CN104946088A (en) * | 2015-07-14 | 2015-09-30 | 山东朗法博粉末涂装科技有限公司 | High-performance corona-resistant powder coating for varnished wire and preparation method and application thereof |
| CN106402580A (en) * | 2015-07-28 | 2017-02-15 | 天津佳华炜业建材科技有限公司 | Industrial pipeline with fireproof thermal insulation coating and preparation method thereof |
| CN106590332A (en) * | 2016-11-18 | 2017-04-26 | 长安大学 | Preparation method for road thermosetting powder paint and thermosetting powder coating |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102190786A (en) * | 2011-03-28 | 2011-09-21 | 黄山永佳三利科技有限公司 | Dull polyester resin and preparation method thereof |
| CN103122205A (en) * | 2013-02-27 | 2013-05-29 | 山东朗法博粉末涂装科技有限公司 | Low-temperature curing super-weatherability powder coating |
-
2014
- 2014-08-27 CN CN201410428588.0A patent/CN104164170A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102190786A (en) * | 2011-03-28 | 2011-09-21 | 黄山永佳三利科技有限公司 | Dull polyester resin and preparation method thereof |
| CN103122205A (en) * | 2013-02-27 | 2013-05-29 | 山东朗法博粉末涂装科技有限公司 | Low-temperature curing super-weatherability powder coating |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104762002A (en) * | 2015-04-16 | 2015-07-08 | 河北韶乐新材料科技有限公司 | Electrostatic coating powdered paint and preparation method thereof |
| CN104946088A (en) * | 2015-07-14 | 2015-09-30 | 山东朗法博粉末涂装科技有限公司 | High-performance corona-resistant powder coating for varnished wire and preparation method and application thereof |
| CN106402580A (en) * | 2015-07-28 | 2017-02-15 | 天津佳华炜业建材科技有限公司 | Industrial pipeline with fireproof thermal insulation coating and preparation method thereof |
| CN106590332A (en) * | 2016-11-18 | 2017-04-26 | 长安大学 | Preparation method for road thermosetting powder paint and thermosetting powder coating |
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