CN106206843A - 一种高水汽透过率太阳能背板的生产工艺 - Google Patents
一种高水汽透过率太阳能背板的生产工艺 Download PDFInfo
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Abstract
本发明涉及一种高水汽透过率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由PET基材、硅氧化物涂层、涂覆层构成,通过在PET基材一侧粘接硅氧化物涂层,其能使太阳能背板拉伸强度好,热收缩率及水汽透过率高。
Description
技术领域
本发明涉及领域,尤其是一种高水汽透过率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,热伸缩率较低,水汽透过率较差,产品性能有待提高。
发明内容
本申请人针对上述现有问题,进行了研究改进,提供一种高水汽透过率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热伸缩率高、水汽透过率好。
本发明所采用的技术方案如下:
一种高水汽透过率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硅氧化物涂层;所述硅氧化物涂层为氧化硅涂层或二氧化硅涂层中的任意一种;
第五步:将第四步中复合硅氧化物涂层的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。
本发明的有益效果如下:
利用本发明工艺生产的太阳能背板结构简单,通过在PET基材一侧粘接硅氧化物涂层,其能使太阳能背板拉伸强度好,热收缩率及水汽透过率高。
具体实施方式
下面说明本发明的具体实施方式。
一种高水汽透过率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硅氧化物涂层;硅氧化物涂层为氧化硅涂层或二氧化硅涂层中的任意本实施例的;
第五步:将第四步中复合硅氧化物涂层的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190℃,烘干时间为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;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。
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 (1)
1.一种高水汽透过率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硅氧化物涂层;所述硅氧化物涂层为氧化硅涂层或二氧化硅涂层中的任意一种;
第五步:将第四步中复合硅氧化物涂层的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。
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103187467A (zh) * | 2011-12-30 | 2013-07-03 | 苏州中来光伏新材股份有限公司 | 一种自呼吸型太阳电池背板及其加工工艺 |
CN103646979A (zh) * | 2013-12-23 | 2014-03-19 | 安徽格林开思茂光电科技股份有限公司 | 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 |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN103187467A (zh) * | 2011-12-30 | 2013-07-03 | 苏州中来光伏新材股份有限公司 | 一种自呼吸型太阳电池背板及其加工工艺 |
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 |
CN103646979A (zh) * | 2013-12-23 | 2014-03-19 | 安徽格林开思茂光电科技股份有限公司 | 太阳能电池背板 |
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