CN105860711A - Solar heat-absorbing paint - Google Patents
Solar heat-absorbing paint Download PDFInfo
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- CN105860711A CN105860711A CN201610448157.XA CN201610448157A CN105860711A CN 105860711 A CN105860711 A CN 105860711A CN 201610448157 A CN201610448157 A CN 201610448157A CN 105860711 A CN105860711 A CN 105860711A
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- solar energy
- heat absorbing
- coating
- solar heat
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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
-
- 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
Abstract
The invention discloses a solar heat-absorbing paint which is prepared from the following raw materials in parts by weight: 28-32 parts of acrylic resin, 1-3 parts of triethanolamine, 2-4 parts of nickel powder, 1.1-1.3 parts of chrome oxide green, 20-30 parts of ethanol, 8-10 parts of precipitated barium sulfate, 3-5 parts of 3-glycidyloxypropyltrimethoxysilane, 0.1-0.3 part of silicone oil, 8-10 parts of butyl acetate, 3-5 parts of dimethylbenzene and 10-20 parts of water. The coating prepared from the solar heat-absorbing paint has the advantages of high absorptivity, high thermal conductivity, low emissivity and high stability, effectively enhances the solar energy conversion rate of the heat-absorbing paint, and has favorable weather resistance and water resistance; and thus, the solar heat-absorbing paint is especially suitable to be used as the solar heat-absorbing paint for solar heat absorbers. Besides, the preparation method has the advantages of simple preparation technique, low cost, low facility request and environment-friendly production process, and can easily implement industrial production.
Description
Technical field
The present invention relates to photo-thermal technical field of solar, specifically a kind of solar energy heat absorbing coating.
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, curing 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 that the radiation of some of which frequency absorbs with being combined into the particle selection of material when radiation is by material, so that the phenomenon that radiation intensity weakens.Absorb the essence of radiation,
It is that material particle occurs by low-lying level (generally ground state) to the transition of high level (excitation 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 energy heat absorbing coating with high-absorbility, high thermal conductivity, low-E, high stability.
The present invention solves the technical scheme of technical problem:
A kind of solar energy heat absorbing coating, is made up of the raw material of following weight:
Acrylic resin 28-32 part, triethanolamine 1-3 part, nickel powder 2-4 part, chrome oxide green 1.1-1.3 part, ethanol 20-30 part, blanc fixe 8-10 part, 3-glycydoxy trimethoxy silane 3-5 part, silicone oil 0.1-0.3 part, butyl acetate 8-10 part, dimethylbenzene 3-5 part, water 10-20 part.
The concentration of described acrylic resin is 48%-53%, it is therefore preferable to 50%.
The fineness of described blanc fixe is 700-900 mesh, it is therefore preferable to 800 mesh.
The concentration of described silicone oil is 0.5%-1.5%, it is therefore preferable to 1%.
Preferably, above-mentioned solar energy heat absorbing coating, it is made up of the raw material of following weight:
Acrylic resin 30 parts, triethanolamine 2 parts, nickel powder 3 parts, chrome oxide green 1.2 parts, ethanol 25 parts, sulfate precipitate 9 parts, 3-glycydoxy trimethoxy silane 4 parts, silicone oil 0.2 part, butyl acetate 9 parts, dimethylbenzene 4 parts, 5 parts of water.
The preparation method of above-mentioned solar energy heat absorbing coating is as follows:
(1) according to the proportion by weight of above-mentioned raw materials；
(2) successively acrylic resin, triethanolamine, nickel powder, chrome oxide green, blanc fixe are added in ethanol, uniform stirring 30-35min, obtain mixture A；
(3) successively 3-glycydoxy trimethoxy silane, silicone oil, butyl acetate, dimethylbenzene are added to the water, are warming up to 65-75 DEG C, stir 50-55min, obtain mixture B；
(4) mixture B is added in mixture A, stir, the coating that must mix up；
(5) coating 120-150 mesh tiffany step (4) modulated filters, and loads in container and 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, it is especially added with that oxidation network is green and nickel powder is as absorbent, making coating have higher solar energy heat absorbing performance, therefore the ratio of this coating raising thermal efficiency is more significant；With the addition of blanc fixe, improve the physicochemical property of coating, reduce coating cost.Additionally, the preparation technology of the present invention is simple, with low cost, equipment requirement 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 energy heat absorbing coating, is made up of the raw material of following weight:
Acrylic resin 28kg, triethanolamine 1kg, nickel powder 2kg, chrome oxide green 1.1kg, ethanol 20kg, blanc fixe 8kg, 3-glycydoxy trimethoxy silane 3kg, silicone oil 0.1kg, butyl acetate 8kg, dimethylbenzene 3kg, water 10kg.
The concentration of described acrylic resin is 48%.
The fineness of described blanc fixe is 700 mesh.
The concentration of described silicone oil is 0.5%.
The preparation method of above-mentioned solar energy heat absorbing coating is as follows:
(1) according to the proportion by weight of above-mentioned raw materials；
(2) successively acrylic resin, triethanolamine, nickel powder, chrome oxide green, blanc fixe are added in ethanol, uniform stirring 30min, obtain mixture A；
(3) successively 3-glycydoxy trimethoxy silane, silicone oil, butyl acetate, dimethylbenzene are added to the water, are warming up to 65 DEG C, stir 50min, obtain mixture B；
(4) mixture B is added in mixture A, stir, the coating that must mix up；
(5) coating that step (4) modulates is filtered with 120 mesh tiffanys, load in container and seal.
Embodiment 2
A kind of solar energy heat absorbing coating, is made up of the raw material of following weight:
Acrylic resin 30kg, triethanolamine 2kg, nickel powder 3kg, chrome oxide green 1.2kg, ethanol 25kg, sulfate precipitate 9kg, 3-glycydoxy trimethoxy silane 4kg, silicone oil 0.2kg, butyl acetate 9kg, dimethylbenzene 4kg, water 5kg.
The concentration of described acrylic resin is 50%.
The fineness of described blanc fixe is 800 mesh.
The concentration of described silicone oil is 1%.
The preparation method of above-mentioned solar energy heat absorbing coating is as follows:
(1) according to the proportion by weight of above-mentioned raw materials；
(2) successively acrylic resin, triethanolamine, nickel powder, chrome oxide green, blanc fixe are added in ethanol, uniform stirring 32min, obtain mixture A；
(3) successively 3-glycydoxy trimethoxy silane, silicone oil, butyl acetate, dimethylbenzene are added to the water, are warming up to 70 DEG C, stir 52min, obtain mixture B；
(4) mixture B is added in mixture A, stir, the coating that must mix up；
(5) coating that step (4) modulates is filtered with 135 mesh tiffanys, load in container and seal.
Embodiment 3
A kind of solar energy heat absorbing coating, is made up of the raw material of following weight:
Acrylic resin 32kg, triethanolamine 3kg, nickel powder 4kg, chrome oxide green 1.3kg, ethanol 30kg, blanc fixe 10kg, 3-glycydoxy trimethoxy silane 5kg, silicone oil 0.3kg, butyl acetate 10kg, dimethylbenzene 5kg, water 20kg.
The concentration of described acrylic resin is 53%.
The fineness of described blanc fixe is 900 mesh.
The concentration of described silicone oil is 1.5%.
The preparation method of above-mentioned solar energy heat absorbing coating is as follows:
(1) according to the proportion by weight of above-mentioned raw materials；
(2) successively acrylic resin, triethanolamine, nickel powder, chrome oxide green, blanc fixe are added in ethanol, uniform stirring 35min, obtain mixture A；
(3) successively 3-glycydoxy trimethoxy silane, silicone oil, butyl acetate, dimethylbenzene are added to the water, are warming up to 75 DEG C, stir 55min, obtain mixture B；
(4) mixture B is added in mixture A, stir, the coating that must mix up；
(5) coating that step (4) modulates is filtered with 150 mesh tiffanys, load in container and seal.
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 (6)
1. a solar energy heat absorbing coating, it is characterised in that: it is made up of the raw material of following weight:
Acrylic resin 28-32 part, triethanolamine 1-3 part, nickel powder 2-4 part, chrome oxide green 1.1-1.3 part, ethanol 20-30 part, blanc fixe 8-10 part, 3-glycydoxy trimethoxy silane 3-5 part, silicone oil 0.1-0.3 part, butyl acetate 8-10 part, dimethylbenzene 3-5 part, water 10-20 part.
Solar energy heat absorbing coating the most according to claim 1, it is characterised in that: it is made up of the raw material of following weight:
Acrylic resin 30 parts, triethanolamine 2 parts, nickel powder 3 parts, chrome oxide green 1.2 parts, ethanol 25 parts, blanc fixe 9 parts, 3-glycydoxy trimethoxy silane 4 parts, silicone oil 0.2 part, butyl acetate 9 parts, dimethylbenzene 4 parts, 5 parts of water.
Solar energy heat absorbing coating the most according to claim 1, it is characterised in that: the concentration of described acrylic resin is 48%-53%.
Solar energy heat absorbing coating the most according to claim 1, it is characterised in that: the fineness of described blanc fixe is 700-900 mesh.
Solar energy heat absorbing coating the most according to claim 1, it is characterised in that: the concentration of described silicone oil is 0.5%-1.5%.
The preparation method of solar energy heat absorbing coating the most according to claim 1, it is characterised in that comprise the steps:
(1) according to the proportion by weight of above-mentioned raw materials；
(2) successively acrylic resin, triethanolamine, nickel powder, chrome oxide green, blanc fixe are added in ethanol, uniform stirring 30-35min, obtain mixture A；
(3) successively 3-glycydoxy trimethoxy silane, silicone oil, butyl acetate, dimethylbenzene are added to the water, are warming up to 65-75 DEG C, stir 50-55min, obtain mixture B；
(4) mixture B is added in mixture A, stir, the coating that must mix up；
(5) coating 120-150 mesh tiffany step (4) modulated filters, and loads in container and seals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610448157.XA CN105860711A (en) | 2016-06-21 | 2016-06-21 | Solar heat-absorbing paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610448157.XA CN105860711A (en) | 2016-06-21 | 2016-06-21 | Solar heat-absorbing paint |
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| Publication Number | Publication Date |
|---|---|
| CN105860711A true CN105860711A (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610448157.XA Withdrawn CN105860711A (en) | 2016-06-21 | 2016-06-21 | Solar heat-absorbing paint |
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| Country | Link |
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| CN (1) | CN105860711A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106336801A (en) * | 2016-08-25 | 2017-01-18 | 黄万忠 | Solar heat absorption paint |
| CN106366840A (en) * | 2016-08-25 | 2017-02-01 | 黄万忠 | Nano-modified solar energy heat absorption coating |
| CN108485413A (en) * | 2018-01-26 | 2018-09-04 | 江苏双能太阳能有限公司 | A kind of modified warming solar energy heat-absorbing paint |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101555375A (en) * | 2009-05-14 | 2009-10-14 | 上海第二工业大学 | Preparation method for solar selective heat-absorbing paint adopting nano nickel powder as absorber |
| CN102134428A (en) * | 2010-12-31 | 2011-07-27 | 西安利澳科技股份有限公司 | Solar-absorbing coating |
-
2016
- 2016-06-21 CN CN201610448157.XA patent/CN105860711A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101555375A (en) * | 2009-05-14 | 2009-10-14 | 上海第二工业大学 | Preparation method for solar selective heat-absorbing paint adopting nano nickel powder as absorber |
| CN102134428A (en) * | 2010-12-31 | 2011-07-27 | 西安利澳科技股份有限公司 | Solar-absorbing coating |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106336801A (en) * | 2016-08-25 | 2017-01-18 | 黄万忠 | Solar heat absorption paint |
| CN106366840A (en) * | 2016-08-25 | 2017-02-01 | 黄万忠 | Nano-modified solar energy heat absorption coating |
| CN108485413A (en) * | 2018-01-26 | 2018-09-04 | 江苏双能太阳能有限公司 | A kind of modified warming solar energy heat-absorbing paint |
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Application publication date: 20160817 |