CN104910786A - Solar heat absorbing material - Google Patents
Solar heat absorbing material Download PDFInfo
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- CN104910786A CN104910786A CN201510391228.2A CN201510391228A CN104910786A CN 104910786 A CN104910786 A CN 104910786A CN 201510391228 A CN201510391228 A CN 201510391228A CN 104910786 A CN104910786 A CN 104910786A
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- heat absorbing
- absorbing material
- solar energy
- energy heat
- agent
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Abstract
The invention discloses a solar heat absorbing material which comprises resin, a curing agent, an absorbent, a solvent, an additive and an absorption enhancer. According to the solar heat absorbing material, compared with the prior art, 2-bromo-2-(2-fluorophenyl)-1-cyclopropyl-ethanone and 2-(2-nitrophenyl)-3-cyano-5-methylthiophene are added to a coating so as to form an optical trap capture agent together with the resin and the absorbent, so that the solar energy absorption rate can reach 0.965-0.97 and the emission rate is 0.15-0.2.
Description
Technical field
The invention belongs to heat-sink material, belong to the solar energy heat absorbing material for flat plate collector especially.
Background technology
Along with the domestic energy, environmental issue, sun power more and more comes into one's own as the inexhaustible clean energy of one.Solar energy heat absorbing coating is coating light energy conversion being become heat energy, and by the surface of its direct brushing base material, help base material absorb solar heat, existing coating generally includes following component: resin, solidifying agent, absorption agent, solvent, auxiliary agent.Different auxiliary agents is selected, and the optical property of coating can be made to have very large difference.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of solar energy heat absorbing material of good in optical property.
The technical scheme of this technical solution problem is: a kind of solar energy heat absorbing material, comprises the material of following weight part:
Described absorption enhancer is the mixture of the bromo-2-of 2-(2-fluorophenyl)-1-cyclopropyl ethyl ketone and 2-(2-oil of mirbane amido)-3-cyano group-5-thiotolene, and the weight ratio of the bromo-2-of 2-(2-fluorophenyl)-1-cyclopropyl ethyl ketone and 2-(2-oil of mirbane amido)-3-cyano group-5-thiotolene is 1:0.8-1.5.
Described resin is epoxy modified polyurethane resin.
Described solidifying agent is drying oil alkyd resin.
Described absorption agent comprises the material of following weight part:
Manganse Dioxide 6-8
Z 250 2-4
Titanium dioxide 1-3.
Described solvent is p-Xylol.
Described auxiliary agent comprises flow agent, wetting agent, defoamer, and the weight ratio of flow agent, wetting agent, defoamer is 1:0.5-1.5:0.5-1.5.
The made coating of the present invention has excellent tack to ground, the shock-resistance of film, resistance to bend(ing), wet fastness (humid heat test 2000 hours adhesion 1 grades), thermotolerance (can 500 be reached), resistance to vapor permeability, ageing resistance is all excellent, be heated without gaseous volatilization, uvioresistant is degenerated.Coating of the present invention is used for solar energy collector, solar heat-collection plate, adopts spray nozzle, sprays.
The present invention compared with prior art, by adding the bromo-2-of 2-(2-fluorophenyl)-1-cyclopropyl ethyl ketone, 2-(2-oil of mirbane amido)-3-cyano group-5-thiotolene in coating, optical trap trapping agent is formed with resin, absorption agent, can reach 0.965-0.97 to the specific absorption of sun power, emittance is 0.15-0.2.
Embodiment
Below in conjunction with embodiment, the present invention is described in detail.
Following part all refers to weight part.
Embodiment 1:
6 parts of Manganse Dioxide, 2 parts of Z 250s, 1 part of titanium dioxide are mixed, as absorption agent 1.
Embodiment 2:
7 parts of Manganse Dioxide, 3 parts of Z 250s, 2 parts of titanium dioxides are mixed, as absorption agent 2.
Embodiment 3:
8 parts of Manganse Dioxide, 4 parts of Z 250s, 3 parts of titanium dioxides are mixed, as absorption agent 3.
Embodiment 4:
20 parts of absorption agents 1 are added 10 parts of p-Xylol, and (weight ratio of flow agent, wetting agent, defoamer is 1:0.5:0.5 for 50 parts of epoxy modified polyurethane resins, auxiliary agents 5 parts.), absorption enhancer 1 part (weight ratio of the bromo-2-of 2-(2-fluorophenyl)-1-cyclopropyl ethyl ketone and 2-(2-oil of mirbane amido)-3-cyano group-5-thiotolene is in order to 1:0.8), utilize the method for sending out of ball milling to be ground to granularity and be less than 100 orders, then add 7 parts of drying oil alkyd resins.
By made paint spay-coating on the zine plate deoiled, self-vulcanizing becomes the coating of 5um, and its solar absorptance is 0.965, and emittance is 0.2.
Embodiment 5:
25 parts of absorption agents 2 are added 15 parts of p-Xylol, and (weight ratio of flow agent, wetting agent, defoamer is 1:1:1 for 55 parts of epoxy modified polyurethane resins, auxiliary agents 8 parts.), absorption enhancer 2 parts (weight ratio of the bromo-2-of 2-(2-fluorophenyl)-1-cyclopropyl ethyl ketone and 2-(2-oil of mirbane amido)-3-cyano group-5-thiotolene is in order to 1:1), utilize the method for sending out of ball milling to be ground to granularity and be less than 100 orders, then add 10 parts of drying oil alkyd resins.
By made paint spay-coating on the zine plate deoiled, self-vulcanizing becomes the coating of 5um, and its solar absorptance is 0.975, and emittance is 0.15.
Embodiment 6:
30 parts of absorption agents 3 are added 20 parts of p-Xylol, and (weight ratio of flow agent, wetting agent, defoamer is 1:1.5:1.5 for 60 parts of epoxy modified polyurethane resins, auxiliary agents 5 parts.), absorption enhancer 3 parts (weight ratio of the bromo-2-of 2-(2-fluorophenyl)-1-cyclopropyl ethyl ketone and 2-(2-oil of mirbane amido)-3-cyano group-5-thiotolene is in order to 1:1.2), utilize the method for sending out of ball milling to be ground to granularity and be less than 100 orders, then add 12 parts of drying oil alkyd resins.
By made paint spay-coating on the zine plate deoiled, self-vulcanizing becomes the coating of 5um, and its solar absorptance is 0.962, and emittance is 0.18.
The detection method of specific absorption of the present invention and emittance detects by " the yellow group's force 2007 of research University Of Tianjin of weathering resistance solar selective absorbing coating ".
Flow agent of the present invention, wetting agent, defoamer are produced by Changfeng Chemical Plant, Shanghai.Epoxy changes Polyurethane resin, drying oil alkyd resin by the happy and auspicious coating company limited in Sichuan.The bromo-2-of 2-(2-fluorophenyl)-1-cyclopropyl ethyl ketone is produced by Wuhan Kai Lun New Chemical Material company limited.2-(2-oil of mirbane amido)-3-cyano group-5-thiotolene is produced by Shanghai Hong Bang Pharmaceutical Technology Co., Ltd.Manganse Dioxide, Z 250, titanium dioxide are technical grade.
Claims (7)
1. a solar energy heat absorbing material, comprises the material of following weight part:
2. a kind of solar energy heat absorbing material according to claim 1, it is characterized in that: described absorption enhancer is the mixture of the bromo-2-of 2-(2-fluorophenyl)-1-cyclopropyl ethyl ketone and 2-(2-oil of mirbane amido)-3-cyano group-5-thiotolene, and the weight ratio of the bromo-2-of 2-(2-fluorophenyl)-1-cyclopropyl ethyl ketone and 2-(2-oil of mirbane amido)-3-cyano group-5-thiotolene is 1:0.8-1.5.
3. a kind of solar energy heat absorbing material according to claim 1, is characterized in that: described resin is epoxy modified polyurethane resin.
4. a kind of solar energy heat absorbing material according to claim 1, is characterized in that: described solidifying agent is drying oil alkyd resin.
5. a kind of solar energy heat absorbing material according to claim 1, is characterized in that: described absorption agent comprises the material of following weight part:
Manganse Dioxide 6-8
Z 250 2-4
Titanium dioxide 1-3.
6. a kind of solar energy heat absorbing material according to claim 1, is characterized in that: described solvent is p-Xylol.
7. a kind of solar energy heat absorbing material according to claim 1, is characterized in that: described auxiliary agent comprises flow agent, wetting agent, defoamer, and the weight ratio of flow agent, wetting agent, defoamer is 1:0.5-1.5:0.5-1.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510391228.2A CN104910786A (en) | 2015-07-01 | 2015-07-01 | Solar heat absorbing material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510391228.2A CN104910786A (en) | 2015-07-01 | 2015-07-01 | Solar heat absorbing material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104910786A true CN104910786A (en) | 2015-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510391228.2A Pending CN104910786A (en) | 2015-07-01 | 2015-07-01 | Solar heat absorbing material |
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| CN (1) | CN104910786A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105238091A (en) * | 2015-11-13 | 2016-01-13 | 日出东方太阳能股份有限公司 | Solar energy absorbing film and preparing method thereof |
| CN106010033A (en) * | 2016-07-15 | 2016-10-12 | 南宁可煜能源科技有限公司 | Solar endothermic paint |
| CN107674573A (en) * | 2017-11-21 | 2018-02-09 | 广西吉宽太阳能设备有限公司 | A kind of waterborne polyurethane resin heat-absorbing paint and preparation method thereof |
| CN107779033A (en) * | 2017-11-14 | 2018-03-09 | 广西吉宽太阳能设备有限公司 | A kind of solar energy heat absorbing material |
| CN107815242A (en) * | 2017-11-21 | 2018-03-20 | 广西吉宽太阳能设备有限公司 | A kind of linseed oil base water polyurethane polyacrylic resin heat-absorbing paint |
| CN107828295A (en) * | 2017-11-21 | 2018-03-23 | 广西超星太阳能科技有限公司 | A kind of new type solar energy heat-absorbing paint and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1099782A (en) * | 1993-09-04 | 1995-03-08 | 青岛建筑工程学院 | Solar energy absorbing paint |
| CN102286243A (en) * | 2011-09-05 | 2011-12-21 | 中国科学院兰州化学物理研究所 | Method for preparing solar selective heat absorbing paint by using spinel type pigment as light absorbent |
-
2015
- 2015-07-01 CN CN201510391228.2A patent/CN104910786A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1099782A (en) * | 1993-09-04 | 1995-03-08 | 青岛建筑工程学院 | Solar energy absorbing paint |
| CN102286243A (en) * | 2011-09-05 | 2011-12-21 | 中国科学院兰州化学物理研究所 | Method for preparing solar selective heat absorbing paint by using spinel type pigment as light absorbent |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105238091A (en) * | 2015-11-13 | 2016-01-13 | 日出东方太阳能股份有限公司 | Solar energy absorbing film and preparing method thereof |
| CN105238091B (en) * | 2015-11-13 | 2018-04-24 | 日出东方太阳能股份有限公司 | A kind of solar absorbing film and preparation method thereof |
| CN106010033A (en) * | 2016-07-15 | 2016-10-12 | 南宁可煜能源科技有限公司 | Solar endothermic paint |
| CN107779033A (en) * | 2017-11-14 | 2018-03-09 | 广西吉宽太阳能设备有限公司 | A kind of solar energy heat absorbing material |
| CN107674573A (en) * | 2017-11-21 | 2018-02-09 | 广西吉宽太阳能设备有限公司 | A kind of waterborne polyurethane resin heat-absorbing paint and preparation method thereof |
| CN107815242A (en) * | 2017-11-21 | 2018-03-20 | 广西吉宽太阳能设备有限公司 | A kind of linseed oil base water polyurethane polyacrylic resin heat-absorbing paint |
| CN107828295A (en) * | 2017-11-21 | 2018-03-23 | 广西超星太阳能科技有限公司 | A kind of new type solar energy heat-absorbing paint and preparation method thereof |
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Application publication date: 20150916 |
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| RJ01 | Rejection of invention patent application after publication |