CN106206799A - 一种耐刮磨太阳能背板的生产工艺 - Google Patents
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Abstract
本发明涉及一种耐刮磨太阳能背板的生产工艺,本发明生产的太阳能背板由PET基材,抗刮耐磨涂层及涂覆层构成,通过在耐候层表面设置抗刮耐磨涂层,其不仅提高了水汽阻隔性,使水汽透过率达到0.001g/m2·d,还能达到有效的抗刮耐磨作用,避免了太阳能背板在运输过程中易划破刮伤的问题,大大的提高了太阳能背板的使用寿命。
Description
技术领域
本发明涉及太阳能组件领域,尤其涉及一种耐刮磨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,目前传统的太阳能背板拉伸强度差,在长途运输过程中易划破刮伤,大大影响了背板的使用寿命,降低了光转化效率。
发明内容
本申请人针对上述现有问题,进行了研究改进,提供一种耐刮磨太阳能背板的生产工艺,利用本发明工艺生产的太阳能背板具有较好的耐刮耐磨性,大大提高了太阳能背板的使用寿命。
本发明所采用的技术方案如下:
一种耐刮磨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抗刮耐磨涂层;所述抗刮耐磨涂层为高分散纳米多孔型气相SIO2材料改性的氟树脂涂层,氟树脂涂涂层为聚偏氟乙烯、聚三氟氯乙烯、聚四氟乙烯或四氟乙烯与乙烯的共聚物;
第五步:将第四步中复合抗刮耐磨涂层的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;
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混合形成的涂覆材料;
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:
所述抗刮耐磨涂层在30~150℃之间固化完全形成物色透明的硬化涂层,所述抗刮耐磨涂层的厚度为2~50μm。
本发明的有益效果如下:
利用本发明生产的太阳能背板结构简单,通过在耐候层表面设置抗刮耐磨涂层,其不仅提高了水汽阻隔性,使水汽透过率达到0.001g/m2·d,还能达到有效的抗刮耐磨作用,避免了太阳能背板在运输过程中易划破刮伤的问题,大大的提高了太阳能背板的使用寿命。
具体实施方式
下面说明本发明的具体实施方式。
一种耐刮磨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℃,烘干时间为7分钟;
第四步:在带有粘合剂的PET基材料表面复合一层抗刮耐磨涂层;抗刮耐磨涂层为高分散纳米多孔型气相SIO2材料改性的氟树脂涂层,氟树脂涂涂层为聚偏氟乙烯、聚三氟氯乙烯、聚四氟乙烯或四氟乙烯与乙烯的共聚物;抗刮耐磨涂层在30~150℃之间固化完全形成物色透明的硬化涂层,抗刮耐磨涂层的厚度为2μm。
第五步:将第四步中复合抗刮耐磨涂层的PET基材卷于纸芯上形成半成品进行晾置,晾置时间为1天;
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℃,烘干时间为7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;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;
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;
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。
利用本发明生产的太阳能背板结构简单,通过在耐候层表面设置抗刮耐磨涂层,其不仅提高了水汽阻隔性,使水汽透过率达到0.001g/m2·d,还能达到有效的抗刮耐磨作用,避免了太阳能背板在运输过程中易划破刮伤的问题,大大的提高了太阳能背板的使用寿命。
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 (2)
1.一种耐刮磨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抗刮耐磨涂层;所述抗刮耐磨涂层为高分散纳米多孔型气相SIO2材料改性的氟树脂涂层,氟树脂涂涂层为聚偏氟乙烯、聚三氟氯乙烯、聚四氟乙烯或四氟乙烯与乙烯的共聚物;
第五步:将第四步中复合抗刮耐磨涂层的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;
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混合形成的涂覆材料;
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所述的一种耐刮磨太阳能背板的生产工艺,其特征在于:所述抗刮耐磨涂层在30~150℃之间固化完全形成物色透明的硬化涂层,所述抗刮耐磨涂层的厚度为2~50μm。
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CN103681915A (zh) * | 2013-11-25 | 2014-03-26 | 昆山永翔光电科技有限公司 | 高散热太阳能电池背板 |
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 |
CN104409543A (zh) * | 2014-11-13 | 2015-03-11 | 无锡中洁能源技术有限公司 | 一种抗老化太阳能电池背板及其制备方法 |
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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 |
CN103681915A (zh) * | 2013-11-25 | 2014-03-26 | 昆山永翔光电科技有限公司 | 高散热太阳能电池背板 |
CN104409543A (zh) * | 2014-11-13 | 2015-03-11 | 无锡中洁能源技术有限公司 | 一种抗老化太阳能电池背板及其制备方法 |
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Application publication date: 20161207 |