CN107384296A - 一种光伏薄膜和金属复合用的热熔粘胶剂 - Google Patents
一种光伏薄膜和金属复合用的热熔粘胶剂 Download PDFInfo
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Abstract
本发明公开了一种光伏薄膜和金属复合用的热熔粘胶剂,包括有用于涂覆于金属基材一侧的金属胶和用于涂覆于光伏薄膜一侧的光伏薄膜胶,该金属胶和光伏薄膜胶在热熔状态下相互贴紧并在冷却后粘合。本发明的优点是粘胶稳定性好、绝缘性好等。
Description
技术领域
本发明涉及一种热熔粘胶剂,具体是指一种光伏薄膜和金属复合用的热熔粘胶剂。
背景技术
随着光伏技术的发展,以铜铱镓硒薄膜为代表的薄膜太阳能光伏产品不断出现。这些太阳能光伏产品都需要依随承载体进行装机发电,限于承载体几何形状和装机承重,需要占用大量的平面空间资源。此外,现有技术中,光伏电池的承载体都是事先根据安装位置和用途提前制造出来,然后再将光伏电池通过支架或者紧固件固定于其上。
另外一方面,在目前的建筑物的门窗框架或者公路护栏、路灯等金属框架占用了大量的受光面积,而如果能将这些面积利用起来进行光伏发电,则极大地提高了光伏产品占用额外安装空间的问题。但是现有技术中存在的问题是:
(1)缺乏一种稳定的粘胶剂将光伏薄膜材料复合于金属基材上。
发明内容
本发明的目的是为了克服现有技术存在的缺点和不足,而提供一种光伏薄膜和金属复合用的热熔粘胶剂,该热熔粘胶剂粘胶稳定性好、绝缘性好。
为实现上述目的,本发明的技术方案是包括有用于涂覆于金属基材一侧的金属胶和用于涂覆于光伏薄膜一侧的光伏薄膜胶,该金属胶和光伏薄膜胶在热熔状态下相互贴紧并在冷却后粘合;
该金属胶包括以下组分,以质量份数计:
尼龙型共聚酰胺 45-50份
乙烯-醋酸乙烯共聚物 15-20份
萜烯树脂 10-15份;
C9石油树脂 10-15份;
微晶蜡或石蜡 3-5份;
邻苯二甲酸二酯丁 1-2份
2,6-二叔丁基-4-甲基苯酚 0.5-1.5份;
叔丁基过氧化-2乙基己基-碳酸酯 0.5-1份;
气相二氧化硅 0-1份;
该光伏薄膜胶包括以下组分,以质量份数计:
乙烯-醋酸乙烯共聚物 45-50份
尼龙型共聚酰胺 15-20份
萜烯树脂 10-15份;
C9石油树脂 10-15份;
微晶蜡或石蜡 5-6份;
邻苯二甲酸二酯丁 1-2份
2,6-二叔丁基-4-甲基苯酚 0.5-1.5份;
叔丁基过氧化-2乙基己基-碳酸酯 0.5-1份。
进一步设置是所述乙烯-醋酸乙烯共聚物中乙烯部分的质量占整个乙烯-醋酸乙烯共聚物的质量比为50-55wt%。
本发明的上述配合的热熔粘胶剂,适用于由多种金属元素组成的金属基材和由多种金属非金属元素组成的光伏薄膜的复合。其具有以下匹配的优点和创新机理:
(1)采用不同组分配置的金属胶和光伏薄膜胶,分别用于涂覆于金属基材一侧和光伏薄膜一侧,然后以金属胶和光伏薄膜胶之间相互复合,这种配合设置,考虑了多种金属元素组成的金属基材和由多种金属和非金属基材组成的光伏薄膜表面的黏接特性,分别由不同组分配方的金属胶和光伏薄膜胶进行匹配粘合,然后再将处于相似组分体系的金属胶和光伏薄膜胶进行复合,从而极大地提高了黏接稳定性,该热熔粘胶剂的剥离强度提高到了极佳状态(150N/CM),从而便于保持复合后的成品保持表面平整度。
(2)金属胶和光伏薄膜胶中设置不同组分的EVA组分,该EVA组分具有优秀的电绝缘及刚性、耐磨性、柔韧性、耐应力开裂性、冲击性及低温黏合性,通过该EVA组分,使得本发明的热熔胶粘剂本身就成了绝缘层和耐冲击层,从而能够在光伏薄膜和金属复合后的产品(光伏多金属结构材料)在后续进行冷弯加工工艺进行成型时,能够防止光伏薄膜和金属之间的热熔胶层在折弯处出现断裂,导致绝缘失效,同时也方便将该材料做成卷材。
(3)本发明的金属胶一侧设置45-50份(大量)比例的尼龙型共聚酰胺,使得本发明在光伏薄膜和金属之间形成的热熔胶层在该金属胶的一侧形成具有水密性的密封层,从而防止水分子从金属和光伏薄膜之间相互转移,极大地提高了防腐性,而另一侧的光伏薄膜胶中设置15-20份的尼龙型共聚酰胺是为了保障金属胶之间和光伏薄膜胶之间复合的粘性强度。
具体实施方式
下面通过实施例对本发明进行具体的描述,只用于对本发明进行进一步说明,不能理解为对本发明保护范围的限定,该领域的技术工程师可根据上述发明的内容对本发明作出一些非本质的改进和调整。
实施例1
本实施例1包括有用于涂覆于金属基材一侧的金属胶和用于涂覆于光伏薄膜一侧的光伏薄膜胶,该金属胶和光伏薄膜胶在热熔状态下相互贴紧并在冷却后粘合;
该金属胶包括以下组分,以质量份数计:
尼龙型共聚酰胺 45份
乙烯-醋酸乙烯共聚物 15份
萜烯树脂 10份;
C9石油树脂 10份;
微晶蜡或石蜡 3份;
邻苯二甲酸二酯丁 1份
2,6-二叔丁基-4-甲基苯酚 0.5份;
叔丁基过氧化-2乙基己基-碳酸酯 0.5份;
该光伏薄膜胶包括以下组分,以质量份数计:
乙烯-醋酸乙烯共聚物 50份
尼龙型共聚酰胺 20份
萜烯树脂 15份;
C9石油树脂15份;
微晶蜡或石蜡 6份;
邻苯二甲酸二酯丁 2份
2,6-二叔丁基-4-甲基苯酚 1.5份;
叔丁基过氧化-2乙基己基-碳酸酯 1份。
本实施例所述乙烯-醋酸乙烯共聚物中乙烯部分的质量占整个乙烯-醋酸乙烯共聚物的质量比为50-55wt%,优选为50wt%。
本实施例尼龙型共聚酰胺软化点180(℃):±5 耐低温性能(℃) ≤-20延伸率(%)≥400使用温度(℃):200-230 特性:粘合性强、抗张强度大、低温柔韧性佳、热稳定好。
本实施例优选适用于金属基材为铜或钛。
实施例2
本实施例2包括有用于涂覆于金属基材一侧的金属胶和用于涂覆于光伏薄膜一侧的光伏薄膜胶,该金属胶和光伏薄膜胶在热熔状态下相互贴紧并在冷却后粘合;
该金属胶包括以下组分,以质量份数计:
尼龙型共聚酰胺 50份
乙烯-醋酸乙烯共聚物 20份
萜烯树脂 15份;
C9石油树脂 15份;
微晶蜡或石蜡 5份;
邻苯二甲酸二酯丁 2份
2,6-二叔丁基-4-甲基苯酚 1.5份;
叔丁基过氧化-2乙基己基-碳酸酯 1份;
气相二氧化硅 1份;
该光伏薄膜胶包括以下组分,以质量份数计:
乙烯-醋酸乙烯共聚物 45份
尼龙型共聚酰胺 15份
萜烯树脂 10份;
C9石油树脂 10份;
微晶蜡或石蜡 5份;
邻苯二甲酸二酯丁 1份
2,6-二叔丁基-4-甲基苯酚 0.5份;
叔丁基过氧化-2乙基己基-碳酸酯 0.5份。
本实施例优选适用于金属基材为热镀锌板基材或不锈钢基材。
实施例3
本实施例3包括有用于涂覆于金属基材一侧的金属胶和用于涂覆于光伏薄膜一侧的光伏薄膜胶,该金属胶和光伏薄膜胶在热熔状态下相互贴紧并在冷却后粘合;
该金属胶包括以下组分,以质量份数计:
尼龙型共聚酰胺 47份
乙烯-醋酸乙烯共聚物 18份
萜烯树脂 12份;
C9石油树脂 14份;
微晶蜡或石蜡 3.7份;
邻苯二甲酸二酯丁 1.6份
2,6-二叔丁基-4-甲基苯酚 1.2份;
叔丁基过氧化-2乙基己基-碳酸酯 0.8份;
气相二氧化硅0.2份;
该光伏薄膜胶包括以下组分,以质量份数计:
乙烯-醋酸乙烯共聚物 48份
尼龙型共聚酰胺 47份
萜烯树脂12份;
C9石油树脂 14份;
微晶蜡或石蜡 5.5份;
邻苯二甲酸二酯丁2份
2,6-二叔丁基-4-甲基苯酚 1.4份;
叔丁基过氧化-2乙基己基-碳酸酯 0.7份。
本实施例所述乙烯-醋酸乙烯共聚物中乙烯部分的质量占整个乙烯-醋酸乙烯共聚物的质量比为50-55wt%,优选为50wt%。
本实施例优选适用于金属基材为铝合金基材、铝基材。
本实施例所述乙烯-醋酸乙烯共聚物中乙烯部分的质量占整个乙烯-醋酸乙烯共聚物的质量比为50-55wt%,优选为50wt%。
制备例
本发明的金属胶和光伏薄膜胶均采用将各组分投入高速混合机混合均匀;然后将混合好的物料投入到双螺杆挤出机中,熔融后挤出,即得该金属胶和光伏薄膜胶,两种热熔胶分装使用。
Claims (2)
1.一种光伏薄膜和金属复合用的热熔粘胶剂,其特征在于:包括有用于涂覆于金属基材一侧的金属胶和用于涂覆于光伏薄膜一侧的光伏薄膜胶,该金属胶和光伏薄膜胶在热熔状态下相互贴紧并在冷却后粘合;
该金属胶包括以下组分,以质量份数计:
尼龙型共聚酰胺 45-50份
乙烯-醋酸乙烯共聚物 15-20份
萜烯树脂 10-15份;
C9石油树脂 10-15份;
微晶蜡或石蜡 3-5份;
邻苯二甲酸二酯丁 1-2份
2,6-二叔丁基-4-甲基苯酚 0.5-1.5份;
叔丁基过氧化-2乙基己基-碳酸酯 0.5-1份;
气相二氧化硅 0-1份;
该光伏薄膜胶包括以下组分,以质量份数计:
乙烯-醋酸乙烯共聚物 45-50份
尼龙型共聚酰胺 15-20份
萜烯树脂 10-15份;
C9石油树脂 10-15份;
微晶蜡或石蜡 5-6份;
邻苯二甲酸二酯丁 1-2份
2,6-二叔丁基-4-甲基苯酚 0.5-1.5份;
叔丁基过氧化-2乙基己基-碳酸酯 0.5-1份。
2.根据权利要求1所述的一种光伏薄膜和金属复合用的热熔粘胶剂,其特征在于:所述乙烯-醋酸乙烯共聚物中乙烯部分的质量占整个乙烯-醋酸乙烯共聚物的质量比为50-55wt%。
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