CN105907216A - Solar selective heat absorbing coating - Google Patents
Solar selective heat absorbing coating Download PDFInfo
- Publication number
- CN105907216A CN105907216A CN201610448131.5A CN201610448131A CN105907216A CN 105907216 A CN105907216 A CN 105907216A CN 201610448131 A CN201610448131 A CN 201610448131A CN 105907216 A CN105907216 A CN 105907216A
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- ethyl acetate
- solar
- selective heat
- solar selective
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/32—Radiation-absorbing paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a solar selective heat absorbing coating. The solar selective heat absorbing coating is prepared from, by weight, 10-12 parts of fluorocarbon resin, 20-24 parts of acrylate resin, 10-12 parts of totally-methoxylated amino resin, 12-18 parts of ferrimanganic black, 5-7 parts of titanium dioxide, 20-40 parts of ethyl alcohol, 10-14 parts of toluenesulfonic acid, 4-6 parts of ferric oxide, 6-8 parts of nano tungsten carbide powder, 1-3 parts of organosilicone antifoaming agent, 2-4 parts of ethyl acetate, 1-3 parts of acetic ether and 10-20 parts of water. The prepared coating has high absorptivity, high thermal conductivity, low radiancy and high stability, the conversion rate of solar energy by the heat absorbing coating is effectively improved, good weather fastness and waterproof performance are achieved, and the solar selective heat absorbing coating is especially suitable for solar heat absorbers. In addition, the preparation process of the coating is simple, cost is low, the equipment requirement is low, the production process is environmentally friendly, and industrial production is easy.
Description
Technical field
The present invention relates to photo-thermal technical field of solar, specifically a kind of solar selective heat-absorbing paint.
Background technology
Along with the domestic energy, environmental issue, solar energy increasingly comes into one's own as a kind of inexhaustible clean energy resource.Solar energy heat absorbing coating is the coating that luminous energy changes into heat energy, by the surface of its direct brushing base material, helps base material to absorb solar heat, and existing coating generally includes following components: resin, firming agent, absorbent, solvent, auxiliary agent.Different auxiliary agents selects, and the optical property of coating can be made to have the biggest difference.
It is known that, solar energy absorbing coating is broadly divided into spectral selective absorbing coating and high-absorbility absorber coatings, spectral selection heat absorbing coating is that one has visible-near infrared high-selenium corn, special coating to the reflection of infrared light height, i.e. it can effectively absorb solar energy, and heat loss that after being heated, self long wave causes is the least, it is widely used in solar energy hot-cast socket, such as solar water heater, solar electrical energy generation etc..Solar energy heat absorbing coating is responsible for the important function receiving and absorbing solar energy, affects stability and the height of efficiency of whole solar energy heat absorbing system.Solar energy heat absorbing coating is a kind of functional coating, and solar radiant energy is converted into heat energy by the film made with it, and film works under outdoor conditions, it is necessary to have good weatherability and water proofing property.
There is the material of spectral selection absorption characteristic, it is necessary to be a kind of composite, be i.e. made up of absorption solar radiation and reflection absorption ftir spectroscopy two sections of material.Absorb radiation and refer to when radiation is by material,
The radiation of some of which frequency absorbs with being combined into the particle selection of material, so that the phenomenon that radiant intensity weakens.Absorb the essence of radiation, be that material particle occurs by low-lying level (generally ground state) to the transition of high level (excited state).In solar spectrum district, wavelength is maximum in the intensity of solar radiation of 0.3～2.5 μm, and the light quantum absorption to these spectral regions is crucial, therefore, coating material only exists the energy level transition corresponding with the energy of wavelength 0.3～2.5 μm photon, just has and preferably select absorbability.
Summary of the invention
It is an object of the invention to provide a kind of solar selective heat-absorbing paint with high-absorbility, high thermal conductivity, low-E, high stability.
The present invention solves the technical scheme of technical problem:
A kind of solar selective heat-absorbing paint, is made up of the raw material of following weight:
Fluorocarbon resin 10-12 part, acrylate 20-24 part, amino resins 10-12 part of full methyl-etherified, ferrimanganic mineral black 12-18 part, titanium dioxide 5-7 part, ethanol 20-40 part, toluenesulfonic acid 10-14 part, ferrum oxide 4-6 part, nano tungsten carbide 6-8 part, silicone defoamer 1-3 part, ethyl acetate 2-4 part, ethyl acetate 1-3 part, water 10-20 part.
A kind of solar selective heat-absorbing paint, it is preferable that be made up of the raw material of following weight:
Fluorocarbon resin 11 parts, acrylate 22 parts, 11 parts of the amino resins of full methyl-etherified, ferrimanganic mineral black 15 parts, titanium dioxide 6 parts, ethanol 30 parts, toluenesulfonic acid 12 parts, ferrum oxide 5 parts, nano tungsten carbide 7 parts, silicone defoamer 2 parts, ethyl acetate 3 parts, ethyl acetate 2 parts, 15 parts of water.
The preparation method of above-mentioned solar selective heat-absorbing paint is as follows:
(1) raw material is weighed by above-mentioned weight, standby；
(2) silicone defoamer is added in container, add ethyl acetate and ethyl acetate, stir evenly standby；
(3) ferrimanganic mineral black, ferrum oxide and titanium dioxide are joined in container, 200-300 turn/rotating speed of min under product that step (2) is made add, continue stirring 20-30min after adding, standby；
(4) by nano tungsten carbide, fluorocarbon resin, acrylate, the amino resins of full methyl-etherified, ethanol, toluenesulfonic acid and water mixed at high speed, disperse with ball mill or sand mill, fineness is dispersed to 20-30 mesh, be linked into clean containers for future use；
(5) under high velocity agitation, successively the product that step (2), (3), (4) prepare is added, stirring 30-40min, the paint liquid that must mix up, standby；
(6) the paint liquid 100-120 that will modulate
Mesh tiffany filters, and the paint liquid after filtering loads in container, seals.
The product have the advantages that: coating prepared by solar energy heat absorbing coating of the present invention has high-absorbility, high thermal conductivity, low-E, high stability, it is effectively increased the heat-absorbing paint conversion ratio to solar energy, and there is good weatherability and water proofing property is particularly suitable for the solar energy heat absorbing coating of solar heat absorber；Particularly adding manganese black pigment in coating makes coating have chromatic colour, adhesive force, with the addition of titanium dioxide and ferrum oxide the most wherein as absorbent, makes coating have a higher solar energy heat absorbing performance, and therefore to improve the ratio of the thermal efficiency more significant for this coating.Additionally, the preparation technology of the present invention is simple, with low cost, equipment requirements is low, production process environmental protection, it is easy to industrialized production, is suitable to popularization and application on a large scale.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further described, but the invention is not limited in these embodiments.
Embodiment 1
A kind of solar selective heat-absorbing paint, is made up of the raw material of following weight:
Fluorocarbon resin 10kg, acrylate 20kg, the amino resins 10kg of full methyl-etherified, ferrimanganic mineral black 12kg, titanium dioxide 5kg, ethanol 20kg, toluenesulfonic acid 10kg, ferrum oxide 4kg, nano tungsten carbide 6kg, silicone defoamer 1kg, ethyl acetate 2kg, ethyl acetate 1kg, water 10kg.
The preparation method of above-mentioned solar selective heat-absorbing paint is as follows:
(1) raw material is weighed by above-mentioned weight, standby；
(2) silicone defoamer is added in container, add ethyl acetate and ethyl acetate, stir evenly standby；
(3) joining in container by ferrimanganic mineral black, ferrum oxide and titanium dioxide, product step (2) made under the rotating speed of 200 turns/min adds, and continues stirring 20min after adding, standby；
(4) by nano tungsten carbide, fluorocarbon resin, acrylate, the amino resins of full methyl-etherified, ethanol, toluenesulfonic acid and water mixed at high speed, disperse with ball mill or sand mill, fineness is dispersed to 20 mesh, be linked into clean containers for future use；
(5) under high velocity agitation, successively the product that step (2), (3), (4) prepare is added, stirring 30min, the paint liquid that must mix up, standby；
(6) being filtered with 100 mesh tiffanys by the paint liquid modulated, the paint liquid after filtering loads in container, seals.
Embodiment 2
A kind of solar selective heat-absorbing paint, is made up of the raw material of following weight:
Fluorocarbon resin 11kg, acrylate 22kg, the amino resins 11kg of full methyl-etherified, ferrimanganic mineral black 15kg, titanium dioxide 6kg, ethanol 30kg, toluenesulfonic acid 12kg, ferrum oxide 5kg, nano tungsten carbide 7kg, silicone defoamer 2kg, ethyl acetate 3kg, ethyl acetate 2kg, water 15kg.
The preparation method of above-mentioned solar selective heat-absorbing paint is as follows:
(1) raw material is weighed by above-mentioned weight, standby；
(2) silicone defoamer is added in container, add ethyl acetate and ethyl acetate, stir evenly standby；
(3) joining in container by ferrimanganic mineral black, ferrum oxide and titanium dioxide, product step (2) made under the rotating speed of 250 turns/min adds, and continues stirring 25min after adding, standby；
(4) by nano tungsten carbide, fluorocarbon resin, acrylate, the amino resins of full methyl-etherified, ethanol, toluenesulfonic acid and water mixed at high speed, disperse with ball mill or sand mill, fineness is dispersed to 25 mesh, be linked into clean containers for future use；
(5) under high velocity agitation, successively the product that step (2), (3), (4) prepare is added, stirring 35min, the paint liquid that must mix up, standby；
(6) by the paint liquid that modulates with 110
Mesh tiffany filters, and the paint liquid after filtering loads in container, seals.
Embodiment 3
A kind of solar selective heat-absorbing paint, is made up of the raw material of following weight:
Fluorocarbon resin 12kg, acrylate 24kg, the amino resins 12kg of full methyl-etherified, ferrimanganic mineral black 18kg, titanium dioxide 7kg, ethanol 40kg, toluenesulfonic acid 14kg, ferrum oxide 6kg, nano tungsten carbide 8kg, silicone defoamer 3kg, ethyl acetate 4kg, ethyl acetate 3kg, water 20kg.
The preparation method of above-mentioned solar selective heat-absorbing paint is as follows:
(1) raw material is weighed by above-mentioned weight, standby；
(2) silicone defoamer is added in container, add ethyl acetate and ethyl acetate, stir evenly standby；
(3) joining in container by ferrimanganic mineral black, ferrum oxide and titanium dioxide, product step (2) made under the rotating speed of 300 turns/min adds, and continues stirring 30min after adding, standby；
(4) by nano tungsten carbide, fluorocarbon resin, acrylate, the amino resins of full methyl-etherified, ethanol, toluenesulfonic acid and water mixed at high speed, disperse with ball mill or sand mill, fineness is dispersed to 30 mesh, be linked into clean containers for future use；
(5) under high velocity agitation, successively the product that step (2), (3), (4) prepare is added, stirring 30-40min, the paint liquid that must mix up, standby；
(6) by the paint liquid that modulates with 120
Mesh tiffany filters, and the paint liquid after filtering loads in container, seals.
Above example only in order to technical scheme to be described, is not intended to limit；Although the present invention being described in detail with reference to previous embodiment, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (3)
1. a solar selective heat-absorbing paint, is characterized in that: be made up of the raw material of following weight:
Fluorocarbon resin 10-12 part, acrylate 20-24 part, amino resins 10-12 part of full methyl-etherified, ferrimanganic mineral black 12-18 part, titanium dioxide 5-7 part, ethanol 20-40 part, toluenesulfonic acid 10-14 part, ferrum oxide 4-6 part, nano tungsten carbide 6-8 part, silicone defoamer 1-3 part, ethyl acetate 2-4 part, ethyl acetate 1-3 part, water 10-20 part.
Solar selective heat-absorbing paint the most according to claim 1, is characterized in that: be made up of the raw material of following weight:
Fluorocarbon resin 11 parts, acrylate 22 parts, 11 parts of the amino resins of full methyl-etherified, ferrimanganic mineral black 15 parts, titanium dioxide 6 parts, ethanol 30 parts, toluenesulfonic acid 12 parts, ferrum oxide 5 parts, nano tungsten carbide 7 parts, silicone defoamer 2 parts, ethyl acetate 3 parts, ethyl acetate 2 parts, 15 parts of water.
The preparation method of solar selective heat-absorbing paint the most according to claim 1, it is characterised in that comprise the following steps:
(1) raw material is weighed by above-mentioned weight, standby；
(2) silicone defoamer is added in container, add ethyl acetate and ethyl acetate, stir evenly standby；
(3) ferrimanganic mineral black, ferrum oxide and titanium dioxide are joined in container, 200-300 turn/rotating speed of min under product that step (2) is made add, continue stirring 20-30min after adding, standby；
(4) by nano tungsten carbide, fluorocarbon resin, acrylate, the amino resins of full methyl-etherified, ethanol, toluenesulfonic acid and water mixed at high speed, disperse with ball mill or sand mill, fineness is dispersed to 20-30 mesh, be linked into clean containers for future use；
(5) under high velocity agitation, successively the product that step (2), (3), (4) prepare is added, stirring 30-40min, the paint liquid that must mix up, standby；
(6) paint liquid 100-120 mesh tiffany step (5) modulated filters, and the paint liquid after filtering loads in container, seals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610448131.5A CN105907216A (en) | 2016-06-21 | 2016-06-21 | Solar selective heat absorbing coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610448131.5A CN105907216A (en) | 2016-06-21 | 2016-06-21 | Solar selective heat absorbing coating |
Publications (1)
| Publication Number | Publication Date |
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| CN105907216A true CN105907216A (en) | 2016-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610448131.5A Withdrawn CN105907216A (en) | 2016-06-21 | 2016-06-21 | Solar selective heat absorbing coating |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106221488A (en) * | 2016-09-14 | 2016-12-14 | 广西南宁荣威德新能源科技有限公司 | A kind of environment-friendly and high-performance solar energy heat absorbing coating |
| CN106366833A (en) * | 2016-09-14 | 2017-02-01 | 广西南宁荣威德新能源科技有限公司 | Novel environment-friendly solar heat-absorbing coating |
| CN106398453A (en) * | 2016-09-14 | 2017-02-15 | 广西南宁荣威德新能源科技有限公司 | High-performance solar heat-absorbing coating |
| CN106398451A (en) * | 2016-09-14 | 2017-02-15 | 广西南宁荣威德新能源科技有限公司 | Novel solar heat absorption coating |
| CN106398450A (en) * | 2016-09-14 | 2017-02-15 | 广西南宁荣威德新能源科技有限公司 | Environment-friendly solar heat-absorbing coating |
| CN106398452A (en) * | 2016-09-14 | 2017-02-15 | 广西南宁荣威德新能源科技有限公司 | Solar heat absorbing coating |
| CN107523156A (en) * | 2017-07-28 | 2017-12-29 | 明光市金洋太阳能有限公司 | A kind of solar energy heat-absorbing paint |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103756482A (en) * | 2013-12-31 | 2014-04-30 | 广西吉顺能源科技有限公司 | Solar energy absorption coating for flat plates |
| CN105131741A (en) * | 2015-10-20 | 2015-12-09 | 广州慧谷工程材料有限公司 | Bulk absorption type solar selective heat absorption paint and preparation method and application thereof |
-
2016
- 2016-06-21 CN CN201610448131.5A patent/CN105907216A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103756482A (en) * | 2013-12-31 | 2014-04-30 | 广西吉顺能源科技有限公司 | Solar energy absorption coating for flat plates |
| CN105131741A (en) * | 2015-10-20 | 2015-12-09 | 广州慧谷工程材料有限公司 | Bulk absorption type solar selective heat absorption paint and preparation method and application thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106221488A (en) * | 2016-09-14 | 2016-12-14 | 广西南宁荣威德新能源科技有限公司 | A kind of environment-friendly and high-performance solar energy heat absorbing coating |
| CN106366833A (en) * | 2016-09-14 | 2017-02-01 | 广西南宁荣威德新能源科技有限公司 | Novel environment-friendly solar heat-absorbing coating |
| CN106398453A (en) * | 2016-09-14 | 2017-02-15 | 广西南宁荣威德新能源科技有限公司 | High-performance solar heat-absorbing coating |
| CN106398451A (en) * | 2016-09-14 | 2017-02-15 | 广西南宁荣威德新能源科技有限公司 | Novel solar heat absorption coating |
| CN106398450A (en) * | 2016-09-14 | 2017-02-15 | 广西南宁荣威德新能源科技有限公司 | Environment-friendly solar heat-absorbing coating |
| CN106398452A (en) * | 2016-09-14 | 2017-02-15 | 广西南宁荣威德新能源科技有限公司 | Solar heat absorbing coating |
| CN107523156A (en) * | 2017-07-28 | 2017-12-29 | 明光市金洋太阳能有限公司 | A kind of solar energy heat-absorbing paint |
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Application publication date: 20160831 |