CN106024990A - Production process of heat absorption type solar energy back board - Google Patents
Production process of heat absorption type solar energy back board Download PDFInfo
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- CN106024990A CN106024990A CN201610607990.4A CN201610607990A CN106024990A CN 106024990 A CN106024990 A CN 106024990A CN 201610607990 A CN201610607990 A CN 201610607990A CN 106024990 A CN106024990 A CN 106024990A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 6
- 239000000463 material Substances 0.000 claims abstract description 25
- 239000010410 layer Substances 0.000 claims abstract description 21
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 19
- 239000011737 fluorine Substances 0.000 claims abstract description 19
- 239000000758 substrate Substances 0.000 claims abstract description 18
- 239000011247 coating layer Substances 0.000 claims abstract description 15
- 238000000576 coating method Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 8
- 239000003973 paint Substances 0.000 claims abstract description 8
- 238000001035 drying Methods 0.000 claims description 24
- 239000000853 adhesive Substances 0.000 claims description 18
- 230000001070 adhesive effect Effects 0.000 claims description 18
- 239000011248 coating agent Substances 0.000 claims description 6
- 229920000098 polyolefin Polymers 0.000 claims description 6
- 238000007761 roller coating Methods 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 3
- 239000005977 Ethylene Substances 0.000 claims description 3
- 239000002033 PVDF binder Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 239000000049 pigment Substances 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 239000011265 semifinished product Substances 0.000 claims description 3
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 3
- 239000011230 binding agent Substances 0.000 claims description 2
- 239000012790 adhesive layer Substances 0.000 abstract description 4
- 230000004888 barrier function Effects 0.000 abstract description 4
- 230000032683 aging Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F71/00—Manufacture or treatment of devices covered by this subclass
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- Laminated Bodies (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
本发明涉及一种吸热式太阳能背板的生产工艺，利用本发明工艺制造的太阳能背板由PET基材、含氟吸热涂料层及涂覆层构成，利用本发明工艺生产的太阳能背板结构简单、使用方便，通过在PET基材的表面通过粘结层粘接红外阻隔层，其可以保证低红外发射率，在红外阻隔层外涂覆一层含氟吸热涂料层，其能确保吸热率大于95％，防紫外老化，还能防腐蚀，涂层之间有优越的附着力性能，延长了使用寿命。The invention relates to a production process of a heat-absorbing solar backboard. The solar backboard manufactured by the process of the invention is composed of a PET base material, a fluorine-containing heat-absorbing paint layer and a coating layer. The solar backboard produced by the process of the invention is The structure is simple and easy to use. By bonding the infrared barrier layer on the surface of the PET substrate through the adhesive layer, it can ensure low infrared emissivity. A layer of fluorine-containing heat-absorbing coating layer is coated on the outside of the infrared barrier layer, which can ensure The heat absorption rate is greater than 95%, anti-ultraviolet aging, anti-corrosion, excellent adhesion performance between coatings, prolonging the service life.
Description
技术领域technical field
本发明涉及太阳能组件领域，尤其涉及一种吸热式太阳能背板的生产工艺。The invention relates to the field of solar modules, in particular to a production process of a heat-absorbing solar backboard.
背景技术Background technique
太阳能作为一种绿色环保、取之不尽的能源，无疑是取代传统火力发电的最佳选择，由于太阳能电池需要长期暴露在室外实用，所以光伏组件中的电池片需要加以保护，来防止大气中的水汽、氧气、紫外线等环境因素的影响和俯视。太阳能背板是整个太阳能电池的配件之一，主要起力学支撑和保护电池片免受环境因素渗透的作用，现有太阳能背板在高温下使用不仅会影响光转换效率，还会降低使用寿命。Solar energy, as a green and inexhaustible energy source, is undoubtedly the best choice to replace traditional thermal power generation. Since solar cells need to be exposed to the outdoors for a long time, the cells in photovoltaic modules need to be protected to prevent atmospheric pollution. The impact and overlooking of environmental factors such as water vapor, oxygen, and ultraviolet rays. The solar backsheet is one of the accessories of the whole solar cell. It mainly plays the role of mechanical support and protection of the cell from environmental factors. The use of the existing solar backsheet at high temperature will not only affect the light conversion efficiency, but also reduce the service life.
发明内容Contents of the invention
本申请人针对上述现有问题，进行了研究改进，提供一种吸热式太阳能背板的生产工艺，利用本工艺生产的太阳能背板具有使用寿命长，导热性能及光转换效率高的优点。In view of the above existing problems, the applicant has made researches and improvements, and provides a production process of a heat-absorbing solar backboard. The solar backboard produced by this process has the advantages of long service life, high thermal conductivity and high light conversion efficiency.
本发明所采用的技术方案如下：The technical scheme adopted in the present invention is as follows:
一种吸热式太阳能背板的生产工艺，包括以下步骤：A production process of a heat-absorbing solar backboard, comprising the following steps:
第一步：由放卷机进行PET基材供卷；The first step: the PET base material is supplied by the unwinder;
第二步：将配比好的粘合剂通过双辊滚涂机均匀的涂覆于PET基材的一侧表面；The second step: uniformly coat the proportioned adhesive on one side of the PET substrate through a two-roller roller coating machine;
第三步：将第二步中带涂覆粘合剂的PET基板输送至烘房中进行烘干固化，烘干温度为100～120℃，烘干时间为7～8分钟；The third step: transport the PET substrate coated with the adhesive in the second step to a drying room for drying and curing, the drying temperature is 100-120°C, and the drying time is 7-8 minutes;
第四步：在带有粘合剂的PET基材料表面复合一层含氟吸热涂料层，所述含氟吸热涂料层以枝蔓晶状PbS做颜料、乙烯与四氟乙烯的共聚物为粘结剂制成的含氟选择性吸收涂料层；The fourth step: compound a layer of fluorine-containing heat-absorbing paint layer on the surface of the PET-based material with adhesive, and the fluorine-containing heat-absorbing paint layer uses dendritic PbS as the pigment, and the copolymer of ethylene and tetrafluoroethylene is A fluorine-containing selective absorption coating layer made of a binder;
第五步：将第四步中复合含氟吸热涂料层的PET基材卷于纸芯上形成半成品进行晾置，晾置时间为1～5天；Step 5: Roll the PET substrate compounded with fluorine-containing heat-absorbing coating layer on the paper core in Step 4 to form a semi-finished product and let it air out for 1 to 5 days;
第六步：利用配比好的粘合剂通过双辊滚涂机均匀的涂覆于第五步所得PET基材的另一侧表面；Step 6: Use a well-proportioned adhesive to evenly coat the other side surface of the PET substrate obtained in the fifth step through a double-roller roller coating machine;
第七步：将第六步中带涂覆粘合剂的PET基板输送至烘房中进行烘干固化，烘干温度为130～190℃，烘干时间为7～12分钟；Step 7: Transport the PET substrate coated with adhesive in Step 6 to a drying room for drying and curing. The drying temperature is 130-190°C, and the drying time is 7-12 minutes;
第八步：在带有粘合剂的PET基材料表面复合一层涂覆层；所述涂覆层为聚四氟乙烯或聚偏氟乙烯的微小颗粒与基础树脂混合形成的涂覆材料；Step 8: Composite a coating layer on the surface of the PET-based material with adhesive; the coating layer is a coating material formed by mixing tiny particles of polytetrafluoroethylene or polyvinylidene fluoride with a base resin;
第九步：将第八步所得PET基材卷于纸芯上形成成品背板进行晾置，晾置时间为1～5天；Step 9: Roll the PET base material obtained in the eighth step on the paper core to form a finished backboard for airing, and the airing time is 1 to 5 days;
第十步：将第九步所得背板根据客户需求进行切边、分卷；Step 10: Trim and roll the backboard obtained in Step 9 according to customer needs;
第十一步：对第十步所得背板进行抽样检测，检测背板的性能及质量等级。Step 11: Sampling and testing the backplane obtained in the tenth step to check the performance and quality level of the backplane.
其进一步技术方案在于：Its further technical scheme is:
所述含氟吸收热涂层的厚度为7～15μm；The thickness of the fluorine-containing heat-absorbing coating is 7-15 μm;
所述PET基材的厚度为26～57微米；The thickness of the PET substrate is 26-57 microns;
所述粘结层由聚烯烃材料制成，所述聚烯烃材料的厚度不大于60微米。The bonding layer is made of polyolefin material, and the thickness of the polyolefin material is not greater than 60 microns.
本发明的有益效果如下：The beneficial effects of the present invention are as follows:
利用本发明工艺生产的太阳能背板结构简单、使用方便，通过在PET基材的表面通过粘结层粘接红外阻隔层，其可以保证低红外发射率，在红外阻隔层外涂覆一层含氟吸热涂料层，其能确保吸热率大于95％，防紫外老化，还能防腐蚀，涂层之间有优越的附着力性能，延长了使用寿命。The solar backboard produced by the process of the present invention is simple in structure and easy to use. By bonding the infrared barrier layer through the adhesive layer on the surface of the PET base material, it can ensure low infrared emissivity, and coat a layer containing Fluorine heat-absorbing paint layer, which can ensure a heat absorption rate greater than 95%, anti-ultraviolet aging, and anti-corrosion, with excellent adhesion between coatings, prolonging the service life.
具体实施方式detailed description
下面说明本发明的具体实施方式。Specific embodiments of the present invention will be described below.
一种吸热式太阳能背板的生产工艺包括以下步骤：A production process of a heat-absorbing solar backboard comprises the following steps:
第一步：由放卷机进行PET基材供卷；The first step: the PET base material is supplied by the unwinder;
第二步：将配比好的粘合剂通过双辊滚涂机均匀的涂覆于PET基材的一侧表面；The second step: uniformly coat the proportioned adhesive on one side of the PET substrate through a two-roller roller coating machine;
第三步：将第二步中带涂覆粘合剂的PET基板输送至烘房中进行烘干固化，烘干温度为100℃，烘干时间为7分钟；The third step: transport the PET substrate coated with the adhesive in the second step to a drying room for drying and curing, the drying temperature is 100°C, and the drying time is 7 minutes;
第四步：在带有粘合剂的PET基材料表面复合一层含氟吸热涂料层，含氟吸热涂料层以枝蔓晶状PbS做颜料、乙烯与四氟乙烯的共聚物为粘结剂制成的含氟选择性吸收涂料层；含氟吸收热涂层5的厚度为7～15μm。Step 4: Compound a layer of fluorine-containing heat-absorbing paint layer on the surface of the PET-based material with adhesive. The fluorine-containing heat-absorbing paint layer uses dendritic PbS as the pigment and a copolymer of ethylene and tetrafluoroethylene as the bond The fluorine-containing selective absorbing coating layer made of the agent; the thickness of the fluorine-containing heat-absorbing coating 5 is 7-15 μm.
第五步：将第四步中复合含氟吸热涂料层的PET基材卷于纸芯上形成半成品进行晾置，晾置时间为1天；Step 5: Roll the PET base material of the composite fluorine-containing heat-absorbing coating layer on the paper core in the fourth step to form a semi-finished product for airing, and the airing time is 1 day;
第六步：利用配比好的粘合剂通过双辊滚涂机均匀的涂覆于第五步所得PET基材的另一侧表面；Step 6: Use a well-proportioned adhesive to evenly coat the other side surface of the PET substrate obtained in the fifth step through a double-roller roller coating machine;
第七步：将第六步中带涂覆粘合剂的PET基板输送至烘房中进行烘干固化，烘干温度为130℃，烘干时间为7分钟；Step 7: Transport the PET substrate coated with adhesive in Step 6 to a drying room for drying and curing. The drying temperature is 130°C and the drying time is 7 minutes;
第八步：在带有粘合剂的PET基材料表面复合一层涂覆层；涂覆层为聚四氟乙烯或聚偏氟乙烯的微小颗粒与基础树脂混合形成的涂覆材料；Step 8: Composite a layer of coating layer on the surface of the PET-based material with adhesive; the coating layer is a coating material formed by mixing tiny particles of polytetrafluoroethylene or polyvinylidene fluoride with the base resin;
第九步：将第八步所得PET基材卷于纸芯上形成成品背板进行晾置，晾置时间为1天；Step 9: Roll the PET base material obtained in Step 8 on the paper core to form a finished backboard for airing, and the airing time is 1 day;
第十步：将第九步所得背板根据客户需求进行切边、分卷；Step 10: Trim and roll the backboard obtained in Step 9 according to customer needs;
第十一步：对第十步所得背板进行抽样检测，检测背板的性能及质量等级。Step 11: Sampling and testing the backplane obtained in the tenth step to check the performance and quality level of the backplane.
上述PET基材3的厚度为26～57微米。在本发明工艺中，上述粘结层4由聚烯烃材料制成，聚烯烃材料的厚度不大于60微米。The thickness of the above-mentioned PET substrate 3 is 26-57 microns. In the process of the present invention, the adhesive layer 4 is made of polyolefin material, and the thickness of the polyolefin material is not greater than 60 microns.
利用本发明工艺生产的太阳能背板结构简单、使用方便，通过在PET基材的表面通过粘结层粘接红外阻隔层，其可以保证低红外发射率，在红外阻隔层外涂覆一层含氟吸热涂料层，其能确保吸热率大于95％，防紫外老化，还能防腐蚀，涂层之间有优越的附着力性能，延长了使用寿命。The solar backboard produced by the process of the present invention is simple in structure and easy to use. By bonding the infrared barrier layer through the adhesive layer on the surface of the PET base material, it can ensure low infrared emissivity, and coat a layer containing The fluorine heat-absorbing coating layer can ensure that the heat absorption rate is greater than 95%, anti-ultraviolet aging, and anti-corrosion. There is excellent adhesion between the coatings, which prolongs the service life.
以上描述是对本发明的解释，不是对发明的限定，本发明所限定的范围参见权利要求，在不违背本发明的基本结构的情况下，本发明可以作任何形式的修改。The above description is an explanation of the present invention, not a limitation of the invention. For the limited scope of the present invention, refer to the claims. The present invention can be modified in any form without departing from the basic structure of the present invention.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202304031U (en) * | 2011-11-03 | 2012-07-04 | 杭州联合新材科技股份有限公司 | Solar heat collector panel |
| CN103794668A (en) * | 2014-01-22 | 2014-05-14 | 苏州幸福新能源科技有限责任公司 | PTFE two-side coated back plate and manufacturing method thereof |
| CN103943723A (en) * | 2014-04-03 | 2014-07-23 | 安徽金兑新材料科技有限公司 | High-performance solar cell backboard film manufacturing process |
| CN104350609A (en) * | 2012-06-04 | 2015-02-11 | Lg化学株式会社 | Multi-layer film and photovoltaic module |
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- 2016-07-28 CN CN201610607990.4A patent/CN106024990A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202304031U (en) * | 2011-11-03 | 2012-07-04 | 杭州联合新材科技股份有限公司 | Solar heat collector panel |
| CN104350609A (en) * | 2012-06-04 | 2015-02-11 | Lg化学株式会社 | Multi-layer film and photovoltaic module |
| CN103794668A (en) * | 2014-01-22 | 2014-05-14 | 苏州幸福新能源科技有限责任公司 | PTFE two-side coated back plate and manufacturing method thereof |
| CN103943723A (en) * | 2014-04-03 | 2014-07-23 | 安徽金兑新材料科技有限公司 | High-performance solar cell backboard film manufacturing process |
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Application publication date: 20161012 |