CN106159039A - 一种带有透明涂层太阳能背板的生产工艺 - Google Patents
一种带有透明涂层太阳能背板的生产工艺 Download PDFInfo
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Abstract
本发明涉及一种带有透明涂层太阳能背板的生产工艺,包括在PET基材表面分别通过粘合剂粘接氟膜层及涂覆层,本发明太阳能电池背板采用氟膜层,其具有成本低,环保性能好,其力学性能、粘结强度也比传统背板好,背板结构更为稳定,对整个太阳能支撑保护作用更加突出,本发明将PET基材与底涂层与涂覆层结合,含氟涂层采用含有纳米三氧化铝、纳米氧化锌和纳米二氧化硅粉体中一种或一种以上混合物,可以增强背板的透明度和抗紫外线功能,整个背板具有高透明、抗紫外线功能,使用效果好,视觉美观,使用时间长。
Description
技术领域
本发明涉及太阳能组件领域,尤其涉及一种带有透明涂层太阳能背板的生产工艺。
背景技术
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,现有太阳能背板透明性能差,在长时间使用后易氧化、耐水性差,大大影响使用寿命,所以如何生产具有高性能的背板一直是该行业的研究重点。
发明内容
本申请人针对上述现有问题,进行了研究改进,提供带有透明涂层太阳能背板的生产工艺,其不仅增强了太阳能背板的透明度及抗紫外功能,还提高了太阳能背板的视觉效果,美观可靠。
本发明所采用的技术方案如下:
一种带有透明涂层太阳能背板的生产工艺,包括以下步骤:
第一步:由放卷机进行PET基材供卷;
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;
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;
第四步:在带有粘合剂的PET基材料表面复合一层氟膜层,所述氟膜层采用含有纳米三氧化铝、纳米氧化锌和纳米二氧化硅粉体中一种或一种以上混合物的含氟涂层;
第五步:将第四步中复合含氟涂料的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;
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;
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;
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一起分散在容积中形成的涂覆材料;
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;
第十步:将第九步所得背板根据客户需求进行切边、分卷;
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。
其进一步技术方案在于:
所述粘合剂由聚烯烃材料制成,所述聚烯烃材料的厚度不大于60微米。
所述涂覆层的厚度为20~60微米。
本发明的有益效果如下:
本发明太阳能电池背板采用氟膜层,其具有成本低,环保性能好,其力学性能、粘结强度也比传统背板好,背板结构更为稳定,对整个太阳能支撑保护作用更加突出,本发明将PET基材与底涂层与涂覆层结合,含氟涂层采用含有纳米三氧化铝、纳米氧化锌和纳米二氧化硅粉体中一种或一种以上混合物,可以增强背板的透明度和抗紫外线功能,整个背板具有高透明、抗紫外线功能,使用效果好,视觉美观,使用时间长。
具体实施方式
下面说明本发明的具体实施方式。
一种带有透明涂层太阳能背板的生产工艺包括以下步骤:
第一步:由放卷机进行PET基材供卷;
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;粘合剂由聚烯烃材料制成,聚烯烃材料的厚度不大于60微米。
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120℃,烘干时间为8分钟;
第四步:在带有粘合剂的PET基材料表面复合一层氟膜层,氟膜层采用含有纳米三氧化铝、纳米氧化锌和纳米二氧化硅粉体中本实施例的或本实施例的以上混合物的含氟涂层;
第五步:将第四步中复合含氟涂料的PET基材卷于纸芯上形成半成品进行晾置,晾置时间为5天;
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;粘合剂由聚烯烃材料制成,聚烯烃材料的厚度不大于60微米。
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190℃,烘干时间为12分钟;
第八步:在带有粘合剂的PET基材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一起分散在容积中形成的涂覆材料;涂覆层的厚度为20~60微米。
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5天;
第十步:将第九步所得背板根据客户需求进行切边、分卷;
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。
本发明太阳能电池背板采用氟膜层,其具有成本低,环保性能好,其力学性能、粘结强度也比传统背板好,背板结构更为稳定,对整个太阳能支撑保护作用更加突出,本发明将PET基材与底涂层与涂覆层结合,含氟涂层采用含有纳米三氧化铝、纳米氧化锌和纳米二氧化硅粉体中一种或一种以上混合物,可以增强背板的透明度和抗紫外线功能,整个背板具有高透明、抗紫外线功能,使用效果好,视觉美观,使用时间长。
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。
Claims (3)
1.一种带有透明涂层太阳能背板的生产工艺,其特征在于包括以下步骤:
第一步:由放卷机进行PET基材供卷;
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;
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;
第四步:在带有粘合剂的PET基材料表面复合一层氟膜层,所述氟膜层采用含有纳米三氧化铝、纳米氧化锌和纳米二氧化硅粉体中一种或一种以上混合物的含氟涂层;
第五步:将第四步中复合含氟涂料的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;
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;
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;
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一起分散在容积中形成的涂覆材料;
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;
第十步:将第九步所得背板根据客户需求进行切边、分卷;
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。
2.如权利要求1所述的一种带有透明涂层太阳能背板的生产工艺,其特征在于:所述粘合剂由聚烯烃材料制成,所述聚烯烃材料的厚度不大于60微米。
3.如权利要求1所述的一种带有透明涂层太阳能背板的生产工艺,其特征在于:所述涂覆层的厚度为20~60微米。
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CN201979775U (zh) * | 2011-01-06 | 2011-09-21 | 杭州联合新材科技股份有限公司 | 一种透明涂层背板 |
US20130130003A1 (en) * | 2010-04-23 | 2013-05-23 | Kolon Industries, Inc. | Back sheet for solar cell module and manufacturing method thereof |
CN103928551A (zh) * | 2013-01-10 | 2014-07-16 | 中天光伏材料有限公司 | 一种异质双面含氟型太阳电池背板 |
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US20130130003A1 (en) * | 2010-04-23 | 2013-05-23 | Kolon Industries, Inc. | Back sheet for solar cell module and manufacturing method thereof |
CN201979775U (zh) * | 2011-01-06 | 2011-09-21 | 杭州联合新材科技股份有限公司 | 一种透明涂层背板 |
CN103928551A (zh) * | 2013-01-10 | 2014-07-16 | 中天光伏材料有限公司 | 一种异质双面含氟型太阳电池背板 |
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