CN106057946A - 含氟型太阳能背板的生产方法 - Google Patents

含氟型太阳能背板的生产方法 Download PDF

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CN106057946A
CN106057946A CN201610602271.3A CN201610602271A CN106057946A CN 106057946 A CN106057946 A CN 106057946A CN 201610602271 A CN201610602271 A CN 201610602271A CN 106057946 A CN106057946 A CN 106057946A
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黄新东
丁峰
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Wuxi Zhongjie Energy Technology Co Ltd
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Abstract

本发明涉及一种含氟型太阳能背板的生产方法，包括在PET基材表面分别通过粘合剂粘接氟膜层及涂覆层，氟膜层的布置具有成本低，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，生产成本低，减缓老化速度，提高了背板的使用寿命。

Description

含氟型太阳能背板的生产方法
技术领域
本发明涉及太阳能组件领域，尤其涉及含氟型太阳能背板的生产方法。
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，如何提高背板的性能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，提供一种含氟型太阳能背板的生产方法，其具有成本低、寿命长的优点，有效满足户外气候恶劣地区的长期使用。
本发明所采用的技术方案如下：
一种含氟型太阳能背板的生产方法，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，所述氟膜层为聚偏氟乙烯膜、聚氟乙烯膜或聚四氟乙烯膜中一种或两种以上的混合物；
第五步：将第四步中复合氟膜层的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。
作为上述技术方案的进一步改进：
所述粘合剂为聚氨酯双组分粘合剂。
所述粘合剂的厚度为3～60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，生产成本低，减缓老化速度，提高了背板的使用寿命。
具体实施方式
下面说明本发明的具体实施方式。
含氟型太阳能背板的生产方法包括以下步骤：
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；粘合剂为聚氨酯双组分粘合剂。粘合剂的厚度为3～60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氟膜层，氟膜层为聚偏氟乙烯膜、聚氟乙烯膜或聚四氟乙烯膜中本实施例的或两种以上的混合物；
第五步：将第四步中复合氟膜层的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一起分散在容积中形成的涂覆材料，涂覆层的厚度为20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。
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 (4)

1.一种含氟型太阳能背板的生产方法，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，所述氟膜层为聚偏氟乙烯膜、聚氟乙烯膜或聚四氟乙烯膜中一种或两种以上的混合物；
第五步：将第四步中复合氟膜层的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所述的含氟型太阳能背板的生产方法，其特征在于：所述粘合剂为聚氨酯双组分粘合剂。
3.如权利要求1所述的含氟型太阳能背板的生产方法，其特征在于：所述粘合剂的厚度为3～60微米。
4.如权利要求1所述的含氟型太阳能背板的生产方法，其特征在于：所述涂覆层的厚度为20～60微米。
CN201610602271.3A 2016-07-27 2016-07-27 含氟型太阳能背板的生产方法 Pending CN106057946A (zh)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102569451A (zh) * 2010-10-20 2012-07-11 苏州尚善新材料科技有限公司 含非溶剂型粘合层的太阳能电池组件背板及其制造方法
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102569451A (zh) * 2010-10-20 2012-07-11 苏州尚善新材料科技有限公司 含非溶剂型粘合层的太阳能电池组件背板及其制造方法
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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Application publication date: 20161026