CN109021639A - A kind of high-efficiency solar heat-absorbing material and preparation method thereof - Google Patents
A kind of high-efficiency solar heat-absorbing material and preparation method thereof Download PDFInfo
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Abstract
The present invention provides a kind of high-efficiency solar heat-absorbing material and preparation method thereof, is prepared by following component: organic siliconresin, graphene, carbon fiber, butyl acrylate, hydroxylating linseed oil, lauryl sodium sulfate, nano-powder, metal nitrate, curing agent, optical absorbing agent, film forming agent, polyethylene glycol, organic solvent and polyether modified polysiloxan defoaming agent.Heat-absorbing material prepared by the present invention has excellent solar absorption performance, and using the Heat Conduction Material with photocatalysis migration performance, solar absorption range can not only be increased, the heating conduction of heat-absorbing material can also be enhanced simultaneously, make heat-absorbing material service life with higher, and reaction process condition is mild, production cost is low, is easy to carry out industrialization large-scale production.
Description
Technical field
The invention belongs to solar energy materials technical fields, and in particular to a kind of high-efficiency solar heat-absorbing material and its preparation side
Method.
Background technique
Solar thermal utilization is a kind of important form of Solar use, is referred to solar radiant energy with solar thermal collector
It collects, the process that thermal energy is used is converted by the interaction with substance.With the problem of energy shortage increasingly
Seriously, enterprise is increasing to the investment of energy-saving and emission-reduction measure, so that people are more and more extensive to the research of solar thermal utilization
With deeply, solar thermal utilization will have more vast potential for future development.
Solar energy heat absorbing material is for absorbing the core function part of luminous energy in sunlight absorption system, commonly used in too
In positive energy heat collecting element or solar selectively absorbing material system.Good heat absorption efficiency is the basic of solar energy heat absorbing material
It is required that.Currently, what is generallyd use on the market is the spraying black organic coating on the heat-absorbing plate core of flat plate collector, such as black fluorine
Carbon resin, black epoxy, black polyurethane resin etc., due to this type coating using ordinary resin material as adhesive,
And using common carbon black or black pigment as chromogen, therefore have the following problems: 1. materials are not weather-proof, are easy too early dusting
With fade；2., so that its material emissivity is very high, causing the thermal efficiency of plate solar collector lower without spectral selection.
In addition, more options aluminium carries out reacting life with nitrogen as sputter cathode when prepared by existing solar energy heat absorbing material
At the film of gradual change form membrane, this film is suitable only for using under low-temperature vacuum environment, and anti-baking property is poor；Using inteferometer coating
The film of preparation it is anti-baking property be better than gradual change film preparation film, but prepare when require to optical constant, thickness of each layer etc. into
The accurate control of row, thus preparation process is complicated and the prices of raw materials are expensive.
Publication No. CN104446489A discloses a kind of solar energy thermal-power-generating absorber basis material and its preparation side
Method, component and each component mass fraction are as follows: 25-50 parts of silicon carbide, 8-15 parts of silica, and 1-6 parts of aluminum oxide, carbonization
2-5 parts of aluminium, BaO0.12-0.36 parts of barium monoxide, 3-6 parts of surfactant, SiAlON0.1-0.6 parts, cesium carbonate 0.22-0.84
Part, 0.45-1.35 parts of molybdenum trioxide, 0.18-1.25 parts of glass fibre.Publication No. CN107815241A discloses one kind too
Positive energy plate selective heat-absorbing material and preparation method thereof, is prepared: nano-grade spinel type by the raw material of following mass fraction
5-10 parts of pigment, 4-8 parts of nickel powder, linseed oil base water polyurethane -30-50 parts of polyacrylic resin, drying oil alkyd resin 8-
12 parts, 4-8 parts of anhydrous propanone, EFKA35704-8 parts, SN-50274-12 parts, 8-20 parts of polyether modified polysiloxan defoaming agent；It is described
Linseed oil base water polyurethane-polyacrylic resin synthesis primary raw material is hydroxylating linseed oil, isophorone diisocyanate
Ester, polyethers N210(Mn=1000), 2,2- dihydromethyl propionic acid, diglycol, stannous octoate, dibutyl tin dilaurate,
Triethylamine, acetone, methyl methacrylate, butyl acrylate, lauryl sodium sulfate, potassium peroxydisulfate and sodium bicarbonate.More than
The solar energy heat absorbing material of two kinds of prior art preparations, although having good endothermic effect, its preparation process complexity is simultaneously
And related material is relatively expensive, and the weatherability of heat-absorbing material is unsatisfactory, its service life is caused not grown.
In summary, it is therefore desirable to a kind of better solar energy heat absorbing material, to improve the deficiencies in the prior art.
Summary of the invention
The object of the present invention is to provide a kind of high-efficiency solar heat-absorbing material and preparation method thereof, heat absorptions prepared by the present invention
Material has excellent solar absorption performance, and using the Heat Conduction Material with photocatalysis migration performance, can not only increase
Solar absorption range, while can also enhance the heating conduction of heat-absorbing material, make heat-absorbing material service life with higher, and
Reaction process condition is mild, and production cost is low, is easy to carry out industrialization large-scale production.
The present invention provides the following technical solutions:
A kind of high-efficiency solar heat-absorbing material, the raw material including following parts by weight: 12-18 parts of organic siliconresin, graphene 15-22
Part, 17-24 parts of carbon fiber, 10-15 parts of butyl acrylate, 12-17 parts of hydroxylating linseed oil, 6-11 parts of lauryl sodium sulfate,
14-18 parts of nano-powder, 12-17 parts of metal nitrate, 5-9 parts of curing agent, 8-13 parts of optical absorbing agent, 7-11 parts of film forming agent, poly- second
6-9 parts of glycol, 4-7 parts of organic solvent and 4-7 parts of polyether modified polysiloxan defoaming agent.
Preferably, the heat-absorbing material includes the raw material of following parts by weight: 14-18 parts of organic siliconresin, graphene 15-20
Part, 19-24 parts of carbon fiber, 10-13 parts of butyl acrylate, 14-17 parts of hydroxylating linseed oil, 6-10 parts of lauryl sodium sulfate,
14-17 parts of nano-powder, 15-17 parts of metal nitrate, 5-7 parts of curing agent, 8-11 parts of optical absorbing agent, 7-9 parts of film forming agent, poly- second two
6-8 parts of alcohol, 5-7 parts of organic solvent and 4-6 parts of polyether modified polysiloxan defoaming agent.
Preferably, the heat-absorbing material includes the raw material of following parts by weight: 16 parts of organic siliconresin, 19 parts of graphene, carbon
22 parts of fiber, 10 parts of butyl acrylate, 14 parts of hydroxylating linseed oil, 7 parts of lauryl sodium sulfate, 17 parts of nano-powder, metal
15 parts of nitrate, 6 parts of curing agent, 10 parts of optical absorbing agent, 7 parts of film forming agent, 6 parts of polyethylene glycol, 5 parts of organic solvent and polyether-modified silicon
5 parts of oily defoaming agent.
A kind of preparation method of high-efficiency solar heat-absorbing material, including following preparation step:
A, organic siliconresin and butyl acrylate are imported in reaction kettle, is reacted in the case where temperature is 85-88 DEG C, pressure is 3-5MPa
0.8-1.1h sequentially adds polyethylene glycol, hydroxylating linseed oil and optical absorbing agent, is warming up to 105-110 DEG C and is stirred to react 0.5-
0.6h obtains mixture one；
B, graphene, carbon fiber and nano-powder are mixed to import in organic solvent and impregnates 3-3.5h, add dodecyl sulphur
Sour sodium imports in ball mill after mixing, carries out wet-milling 1.5-1.8h, obtains mixture two；
C, mixture two, mixture one and metal nitrate are mixed and is imported in batch mixer, heated at 92-95 DEG C and stirred and is anti-
12-16min is answered, then is cooled to 65-68 DEG C, vacuum distillation reaction 0.8-1h is carried out, obtains mixture three；
D, mixture three, curing agent, film forming agent and polyether modified polysiloxan defoaming agent are mixed and is imported in double screw extruder, melting
It squeezes out, imports compression moulding in mold, finished product can be obtained.
Preferably, the organic siliconresin of the step a be epoxy modified silicone resin, polyester modified organic silicon resin and
Bloom organic siliconresin 2:2:1 in mass ratio is mixed.
Preferably, the optical absorbing agent of the step a is cobalt copper-manganese oxide, the black and organic carbon black 1:1:2 in mass ratio of enamel
It mixes.
Preferably, the nano-powder of the step b is nano-titanium dioxide, nano nickel, nano cupric oxide and nano silicon nitride
Titanium 2:1:2:1 in mass ratio is mixed.
Preferably, the organic solvent of the step b is ethylene glycol phenyl ether, cyclohexanone and butyl acetate 1:1:2 in mass ratio
It mixes.
Preferably, the metal nitrate of the step c includes ferric nitrate, manganese nitrate, copper nitrate, chromic nitrate and cobalt nitrate.
Preferably, the film forming agent of the step d the preparation method comprises the following steps: gelatin and deionized water are mixed imports blender
In, 15min is heated and be stirred to react at 65 DEG C, adds dimethiconol, is continued to keep the temperature and is stirred to react
Film forming agent can be obtained in 20min.
The beneficial effects of the present invention are:
Heat-absorbing material prepared by the present invention has excellent solar absorption performance, and using leading with photocatalysis migration performance
Hot material can not only increase solar absorption range, while can also enhance the heating conduction of heat-absorbing material, have heat-absorbing material
There is higher service life, and reaction process condition is mild, production cost is low, is easy to carry out industrialization large-scale production.
Organic siliconresin in the present invention is that epoxy modified silicone resin, polyester modified organic silicon resin and bloom are organic
The proportion of silicone resin can give full play to the performance of organic siliconresin, belong to while cost is reduced under the ratio
Thermosetting material has excellent thermo oxidative stability and electrical insulation capability, and has in terms of weatherability and waterproof performance and dash forward
Advantage out；In addition, the further polycondensation of organic siliconresin forms highly cross-linked dimensional network structure when thermal oxide occurs, from
And weatherability can be further enhanced, to further increase the corresponding performance of finished product prepared by the present invention.
Optical absorbing agent in the present invention is the proportion of cobalt copper-manganese oxide, the black and organic carbon black of enamel, is prepared under the ratio
Finished product be shown as appearance of black, be conducive to improve the absorptivity to sunlight, to improve heat absorption rate.
Nano-powder in the present invention is the proportion of nano-titanium dioxide, nano nickel, nano cupric oxide and Nano titanium nitride,
Under the ratio, can further reduce the cost, and the above nanometer grade powder can be formed in mixture system it is good
Dispersion further increases the weather resistance of the finished-product material of preparation.
Organic solvent in the present invention is the proportion of ethylene glycol phenyl ether, cyclohexanone and butyl acetate, is formed under the ratio
Organic solvent, have good dissolubility energy, while also have preferable volatility, be conducive to it is subsequent reflux with decompression steam
Evaporate reaction, it is ensured that removal of the organic solvent in subsequent preparation process.
The gelatin used in film forming agent in the present invention can promote the extension property and waterproofness for preparing finished product
Energy.
Specific embodiment
Embodiment 1
A kind of high-efficiency solar heat-absorbing material, the raw material including following parts by weight: 12 parts of organic siliconresin, 22 parts of graphene, carbon
17 parts of fiber, 10 parts of butyl acrylate, 12 parts of hydroxylating linseed oil, 11 parts of lauryl sodium sulfate, 18 parts of nano-powder, metal
17 parts of nitrate, 9 parts of curing agent, 13 parts of optical absorbing agent, 7 parts of film forming agent, 6 parts of polyethylene glycol, 7 parts of organic solvent and polyether-modified silicon
4 parts of oily defoaming agent.
A kind of preparation method of high-efficiency solar heat-absorbing material, including following preparation step:
A, organic siliconresin and butyl acrylate are imported in reaction kettle, react 1.1h in the case where temperature is 88 DEG C, pressure is 5MPa,
Polyethylene glycol, hydroxylating linseed oil and optical absorbing agent are sequentially added, 110 DEG C is warming up to and is stirred to react 0.6h, obtain mixture one；
B, graphene, carbon fiber and nano-powder are mixed to import in organic solvent and impregnates 3.5h, add dodecyl sulphate
Sodium imports in ball mill after mixing, carries out wet-milling 1.8h, obtains mixture two；
C, mixture two, mixture one and metal nitrate are mixed and is imported in batch mixer, heated and be stirred to react at 95 DEG C
16min, then 68 DEG C are cooled to, vacuum distillation reaction 1h is carried out, mixture three is obtained；
D, mixture three, curing agent, film forming agent and polyether modified polysiloxan defoaming agent are mixed and is imported in double screw extruder, melting
It squeezes out, imports compression moulding in mold, finished product can be obtained.
The organic siliconresin of step a is epoxy modified silicone resin, polyester modified organic silicon resin and bloom organosilicon
Resin 2:2:1 in mass ratio is mixed.
The optical absorbing agent of step a is cobalt copper-manganese oxide, the black and organic carbon black 1:1:2 in mass ratio of enamel is mixed.
The nano-powder of step b is nano-titanium dioxide, nano nickel, nano cupric oxide and Nano titanium nitride in mass ratio 2:
1:2:1 is mixed.
The organic solvent of step b is that ethylene glycol phenyl ether, cyclohexanone and butyl acetate 1:1:2 in mass ratio are mixed.
The metal nitrate of step c includes ferric nitrate, manganese nitrate, copper nitrate, chromic nitrate and cobalt nitrate.
Importing in blender the preparation method comprises the following steps: gelatin and deionized water are mixed for the film forming agent of step d, adds at 65 DEG C
Heat is simultaneously stirred to react 15min, adds dimethiconol, continues to keep the temperature and be stirred to react 20min, film forming can be obtained
Agent.
Embodiment 2
A kind of high-efficiency solar heat-absorbing material, the raw material including following parts by weight: 18 parts of organic siliconresin, 20 parts of graphene, carbon
19 parts of fiber, 13 parts of butyl acrylate, 17 parts of hydroxylating linseed oil, 6 parts of lauryl sodium sulfate, 17 parts of nano-powder, metal
17 parts of nitrate, 5 parts of curing agent, 8 parts of optical absorbing agent, 7 parts of film forming agent, 6 parts of polyethylene glycol, 7 parts of organic solvent and polyether-modified silicon
6 parts of oily defoaming agent.
A kind of preparation method of high-efficiency solar heat-absorbing material, including following preparation step:
A, organic siliconresin and butyl acrylate are imported in reaction kettle, react 1.1h in the case where temperature is 88 DEG C, pressure is 5MPa,
Polyethylene glycol, hydroxylating linseed oil and optical absorbing agent are sequentially added, 110 DEG C is warming up to and is stirred to react 0.6h, obtain mixture one；
B, graphene, carbon fiber and nano-powder are mixed to import in organic solvent and impregnate 3h, add lauryl sodium sulfate,
It imports in ball mill after mixing, carries out wet-milling 1.5h, obtain mixture two；
C, mixture two, mixture one and metal nitrate are mixed and is imported in batch mixer, heated and be stirred to react at 95 DEG C
12min, then 65 DEG C are cooled to, vacuum distillation reaction 0.8h is carried out, mixture three is obtained；
D, mixture three, curing agent, film forming agent and polyether modified polysiloxan defoaming agent are mixed and is imported in double screw extruder, melting
It squeezes out, imports compression moulding in mold, finished product can be obtained.
The organic siliconresin of step a is epoxy modified silicone resin, polyester modified organic silicon resin and bloom organosilicon
Resin 2:2:1 in mass ratio is mixed.
The optical absorbing agent of step a is cobalt copper-manganese oxide, the black and organic carbon black 1:1:2 in mass ratio of enamel is mixed.
The nano-powder of step b is nano-titanium dioxide, nano nickel, nano cupric oxide and Nano titanium nitride in mass ratio 2:
1:2:1 is mixed.
The organic solvent of step b is that ethylene glycol phenyl ether, cyclohexanone and butyl acetate 1:1:2 in mass ratio are mixed.
The metal nitrate of step c includes ferric nitrate, manganese nitrate, copper nitrate, chromic nitrate and cobalt nitrate.
Importing in blender the preparation method comprises the following steps: gelatin and deionized water are mixed for the film forming agent of step d, adds at 65 DEG C
Heat is simultaneously stirred to react 15min, adds dimethiconol, continues to keep the temperature and be stirred to react 20min, film forming can be obtained
Agent.
Embodiment 3
A kind of high-efficiency solar heat-absorbing material, the raw material including following parts by weight: 16 parts of organic siliconresin, 19 parts of graphene, carbon
22 parts of fiber, 10 parts of butyl acrylate, 14 parts of hydroxylating linseed oil, 7 parts of lauryl sodium sulfate, 17 parts of nano-powder, metal
15 parts of nitrate, 6 parts of curing agent, 10 parts of optical absorbing agent, 7 parts of film forming agent, 6 parts of polyethylene glycol, 5 parts of organic solvent and polyether-modified silicon
5 parts of oily defoaming agent.
A kind of preparation method of high-efficiency solar heat-absorbing material, including following preparation step:
A, organic siliconresin and butyl acrylate are imported in reaction kettle, react 0.8h in the case where temperature is 88 DEG C, pressure is 3MPa,
Polyethylene glycol, hydroxylating linseed oil and optical absorbing agent are sequentially added, 110 DEG C is warming up to and is stirred to react 0.6h, obtain mixture one；
B, graphene, carbon fiber and nano-powder are mixed to import in organic solvent and impregnate 3h, add lauryl sodium sulfate,
It imports in ball mill after mixing, carries out wet-milling 1.8h, obtain mixture two；
C, mixture two, mixture one and metal nitrate are mixed and is imported in batch mixer, heated and be stirred to react at 92 DEG C
12min, then 68 DEG C are cooled to, vacuum distillation reaction 1h is carried out, mixture three is obtained；
D, mixture three, curing agent, film forming agent and polyether modified polysiloxan defoaming agent are mixed and is imported in double screw extruder, melting
It squeezes out, imports compression moulding in mold, finished product can be obtained.
The organic siliconresin of step a is epoxy modified silicone resin, polyester modified organic silicon resin and bloom organosilicon
Resin 2:2:1 in mass ratio is mixed.
The optical absorbing agent of step a is cobalt copper-manganese oxide, the black and organic carbon black 1:1:2 in mass ratio of enamel is mixed.
The nano-powder of step b is nano-titanium dioxide, nano nickel, nano cupric oxide and Nano titanium nitride in mass ratio 2:
1:2:1 is mixed.
The organic solvent of step b is that ethylene glycol phenyl ether, cyclohexanone and butyl acetate 1:1:2 in mass ratio are mixed.
The metal nitrate of step c includes ferric nitrate, manganese nitrate, copper nitrate, chromic nitrate and cobalt nitrate.
Importing in blender the preparation method comprises the following steps: gelatin and deionized water are mixed for the film forming agent of step d, adds at 65 DEG C
Heat is simultaneously stirred to react 15min, adds dimethiconol, continues to keep the temperature and be stirred to react 20min, film forming can be obtained
Agent.
Comparative example 1
It is detected using regular solar heat-absorbing material in the prior art.
The finished product for detecting above embodiments and comparative example preparation, obtains following detection data:
Table one:
| Detection project | Examination criteria | Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example 1 |
| Appearance | Range estimation | Smooth, uniform color | Smooth, uniform color | Smooth, uniform color | Smooth, uniform color |
| Wearability (L/ μm) | SY/T0315 | 16.8 | 17.1 | 17.1 | 13.5 |
| Waterproofness (for 24 hours) | Range estimation | It is not blistering, do not fall off | It is not blistering, do not fall off | It is not blistering, do not fall off | It is not blistering, do not fall off |
| Impact resistance (- 30 DEG C/J) | SY/T0315 | 4.3 | 4.1 | 4.5 | 3.8 |
| Bending resistance (- 30 DEG C) | SY/T0315 | Flawless | Flawless | Flawless | Slight crackle |
| Adhesive force (grade) | SY/T0315 | 1 | 1 | 1 | 1 |
| Adhesive strength (MPa) | GB/T6329 | 96 | 95 | 98 | 93 |
| Heat-resisting quantity (1000 DEG C, 7 days) | Nothing | It is unchanged | It is unchanged | It is unchanged | It is unchanged |
| Transmissivity (%) | Nothing | 95 | 96 | 96 | 90 |
| Emissivity (%, 1000 DEG C) | Nothing | 8 | 7 | 7 | 16 |
| Ir-absorbance (%, 800 DEG C) | Nothing | 90 | 91 | 91 | 90 |
By the resulting experimental data of table one, it can be deduced that, the properties of the finished product of preparation method preparation of the invention are significantly excellent
Different from common product in the prior art, and the preferred preparation method in the embodiment of the present invention 3, obtain at moral character
It can be the most excellent.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although referring to aforementioned reality
Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features.It is all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of high-efficiency solar heat-absorbing material, which is characterized in that the raw material including following parts by weight: organic siliconresin 12-18
Part, 15-22 parts of graphene, 17-24 parts of carbon fiber, 10-15 parts of butyl acrylate, 12-17 parts of hydroxylating linseed oil, dodecyl
6-11 parts of sodium sulphate, 14-18 parts of nano-powder, 12-17 parts of metal nitrate, 5-9 parts of curing agent, 8-13 parts of optical absorbing agent, film forming
7-11 parts of agent, 6-9 parts of polyethylene glycol, 4-7 parts of organic solvent and 4-7 parts of polyether modified polysiloxan defoaming agent.
2. a kind of high-efficiency solar heat-absorbing material according to claim 1, which is characterized in that the heat-absorbing material include with
The raw material of lower parts by weight: 14-18 parts of organic siliconresin, 15-20 parts of graphene, 19-24 parts of carbon fiber, butyl acrylate 10-13
Part, 14-17 parts of hydroxylating linseed oil, 6-10 parts of lauryl sodium sulfate, 14-17 parts of nano-powder, metal nitrate 15-17
Part, 5-7 parts of curing agent, 8-11 parts of optical absorbing agent, 7-9 parts of film forming agent, 6-8 parts of polyethylene glycol, 5-7 parts of organic solvent and polyether-modified
4-6 parts of silicon oil foam killer.
3. a kind of high-efficiency solar heat-absorbing material according to claim 1, which is characterized in that the heat-absorbing material include with
The raw material of lower parts by weight: 16 parts of organic siliconresin, 19 parts of graphene, 22 parts of carbon fiber, 10 parts of butyl acrylate, hydroxylating flax
Oil 14 parts, 7 parts of lauryl sodium sulfate, 17 parts of nano-powder, 15 parts of metal nitrate, 6 parts of curing agent, 10 parts of optical absorbing agent, at
7 parts of film, 6 parts of polyethylene glycol, 5 parts of organic solvent and 5 parts of polyether modified polysiloxan defoaming agent.
4. a kind of described in any item preparation methods of high-efficiency solar heat-absorbing material of claim 1-3, which is characterized in that including
Following preparation step:
A, organic siliconresin and butyl acrylate are imported in reaction kettle, is reacted in the case where temperature is 85-88 DEG C, pressure is 3-5MPa
0.8-1.1h sequentially adds polyethylene glycol, hydroxylating linseed oil and optical absorbing agent, is warming up to 105-110 DEG C and is stirred to react 0.5-
0.6h obtains mixture one；
B, graphene, carbon fiber and nano-powder are mixed to import in organic solvent and impregnates 3-3.5h, add dodecyl sulphur
Sour sodium imports in ball mill after mixing, carries out wet-milling 1.5-1.8h, obtains mixture two；
C, mixture two, mixture one and metal nitrate are mixed and is imported in batch mixer, heated at 92-95 DEG C and stirred and is anti-
12-16min is answered, then is cooled to 65-68 DEG C, vacuum distillation reaction 0.8-1h is carried out, obtains mixture three；
D, mixture three, curing agent, film forming agent and polyether modified polysiloxan defoaming agent are mixed and is imported in double screw extruder, melting
It squeezes out, imports compression moulding in mold, finished product can be obtained.
5. a kind of preparation method of high-efficiency solar heat-absorbing material according to claim 4, which is characterized in that the step
The organic siliconresin of a be epoxy modified silicone resin, polyester modified organic silicon resin and bloom organic siliconresin in mass ratio
2:2:1 is mixed.
6. a kind of preparation method of high-efficiency solar heat-absorbing material according to claim 4, which is characterized in that the step
The optical absorbing agent of a is cobalt copper-manganese oxide, the black and organic carbon black 1:1:2 in mass ratio of enamel is mixed.
7. a kind of preparation method of high-efficiency solar heat-absorbing material according to claim 4, which is characterized in that the step
The nano-powder of b be nano-titanium dioxide, nano nickel, nano cupric oxide and Nano titanium nitride 2:1:2:1 in mass ratio mix and
At.
8. a kind of preparation method of high-efficiency solar heat-absorbing material according to claim 4, which is characterized in that the step
The organic solvent of b is that ethylene glycol phenyl ether, cyclohexanone and butyl acetate 1:1:2 in mass ratio are mixed.
9. a kind of preparation method of high-efficiency solar heat-absorbing material according to claim 4, which is characterized in that the step
The metal nitrate of c includes ferric nitrate, manganese nitrate, copper nitrate, chromic nitrate and cobalt nitrate.
10. a kind of preparation method of high-efficiency solar heat-absorbing material according to claim 4, which is characterized in that the step
The film forming agent of rapid d imports in blender the preparation method comprises the following steps: gelatin and deionized water are mixed, and heats and stirs anti-at 65 DEG C
15min is answered, dimethiconol is added, continues to keep the temperature and be stirred to react 20min, film forming agent can be obtained.
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|---|---|---|---|---|
| CN111393988A (en) * | 2020-04-28 | 2020-07-10 | 西安钧盛新材料科技有限公司 | Graphene-based ultra-black extinction coating and preparation method thereof |
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2018
- 2018-06-27 CN CN201810676105.7A patent/CN109021639A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111393988A (en) * | 2020-04-28 | 2020-07-10 | 西安钧盛新材料科技有限公司 | Graphene-based ultra-black extinction coating and preparation method thereof |
| CN111393988B (en) * | 2020-04-28 | 2021-11-16 | 西安钧盛新材料科技有限公司 | Graphene-based ultra-black extinction coating and preparation method thereof |
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