CN106799877A - 一种柔性电热膜及其制备方法 - Google Patents
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Abstract
本发明公开了一种柔性电热膜及其制备方法,该柔性电热膜为三层复合结构且包括依次层叠布置的柔性基材、电热功能层、封装层;柔性基材为聚酰亚胺膜、聚酯膜或者聚丙乙烯膜;电热功能层为镉镍合金箔或者铁铬铝合金箔;封装层为导热硅脂、导热胶或者导热粘接膏;该柔性电热膜结构简单、节能环保、制备工艺简单,成本低,且易于规模化生产。该制备方法包括以下工艺步骤:a、裁剪镉镍或者铁铬铝合金箔并完成电热功能层制作;b、通过热固性粘结性树脂将电热功能层贴合到柔性基材表面;c、于烤箱中进行热固化处理,以完成柔性电热片制作;d、在柔性电热片贴有电热功能层的一面贴上或涂上封装层;该制备方法能够有效地生产制备上述柔性电热膜。
Description
技术领域
本发明涉及电热膜技术领域,尤其涉及一种柔性电热膜及其制备方法。
背景技术
柔性发热膜因具有柔软形变特性,可进行任意形状的设计和加工,适合于各种异型件表面应用,因而研究及应用越来越广泛。
如何进一步简化柔性发热膜的结构及制备工艺,提供一种简单、节能环保、易于工业生产的发热膜具有重要价值。
发明内容
本发明的目的在于提供一种柔性电热膜,该柔性电热膜具有以下优点,具体为:1、结构简单、节能环保;2、制备工艺简单,成本低,且易于规模化生产。
本发明的另一目的在于提供一种柔性电热膜的制备方法,该制备方法能够有效地生产制备上述柔性电热膜。
为达到上述目的,本发明通过以下技术方案来实现。
一种柔性电热膜,该柔性电热膜为三层复合结构,且柔性电热膜包括有依次层叠布置的柔性基材、电热功能层、封装层;
柔性基材为聚酰亚胺膜、聚酯膜或者聚丙乙烯膜;
电热功能层为镉镍合金箔或者铁铬铝合金箔;
封装层为导热硅脂、导热胶或者导热粘接膏。
一种柔性电热膜的制备方法,包括有以下工艺步骤,具体为:
a、将镉镍合金箔或者铁铬铝合金箔依据要求剪裁成设计图形,以完成电热功能层制作;
b、在电热功能层一面涂布热固性粘结性树脂,然后通过热固性粘结性树脂将电热功能层贴合到柔性基材表面,柔性基材为聚酰亚胺膜、聚酯膜或者聚丙乙烯膜;
c、将贴合有电热功能层的柔性基材置于烤箱中进行热固化处理,以完成柔性电热片制作;
d、在柔性电热片贴有电热功能层的一面贴上或涂上封装层,以完成柔性发热膜制作,封装层为导热硅脂、导热胶或者导热粘接膏。
其中,所述热固性粘结性树脂为聚酰亚胺树脂、环氧树脂、丙烯酸树脂、酚醛树脂或者有机硅树脂。
其中,所述步骤c中的热固化处理为低温热固化处理,固化温度为30℃-200℃。
本发明的有益效果为:本发明所述的一种柔性电热膜,该柔性电热膜为三层复合结构,且柔性电热膜包括有依次层叠布置的柔性基材、电热功能层、封装层;柔性基材为聚酰亚胺膜、聚酯膜或者聚丙乙烯膜;电热功能层为镉镍合金箔或者铁铬铝合金箔;封装层为导热硅脂、导热胶或者导热粘接膏。该柔性电热膜具有以下优点,具体为:1、结构简单、节能环保;2、制备工艺简单,成本低,且易于规模化生产。
本发明的另一有益效果为:本发明所述的一种柔性电热膜的制备方法,其包括有以下工艺步骤,具体为:a、将镉镍合金箔或者铁铬铝合金箔依据要求剪裁成设计图形,以完成电热功能层制作;b、在电热功能层一面涂布热固性粘结性树脂,然后通过热固性粘结性树脂将电热功能层贴合到柔性基材表面,柔性基材为聚酰亚胺膜、聚酯膜或者聚丙乙烯膜;c、将贴合有电热功能层的柔性基材置于烤箱中进行热固化处理,以完成柔性电热片制作;d、在柔性电热片贴有电热功能层的一面贴上或涂上封装层,以完成柔性发热膜制作,封装层为导热硅脂、导热胶或者导热粘接膏。通过上述工艺步骤设计,该制备方法能够有效地生产制备上述柔性电热膜。
附图说明
下面利用附图来对本发明进行进一步的说明,但是附图中的实施例不构成对本发明的任何限制。
图1为本发明的结构示意图。
图2为本发明另一种实施方式的结构示意图。
在图1和图2中包括有:
1——柔性基材
2——电热功能层
3——封装层。
具体实施方式
下面结合具体的实施方式来对本发明进行说明。
实施例一,如图1所示,一种柔性电热膜,其为三层复合结构,且柔性电热膜包括有依次层叠布置的柔性基材1、电热功能层2、封装层3。
其中,柔性基材1为聚酰亚胺膜;电热功能层2为镉镍合金箔,其型号为Cr15Ni60,且设计为折叠形状(如图1所示),封装层3为导热硅脂。
需进一步指出,本实施例一的柔性电热膜具有以下优点,具体为:1、结构简单、节能环保;2、制备工艺简单,成本低,且易于规模化生产。
需进一步解释,本实施例一的柔性电热膜可以采用以下制备方法制备而成,具体的,一种柔性电热膜的制备方法,其包括有以下工艺步骤,具体为:
a、将型号为Cr15Ni60的镉镍合金箔按照设计要求剪裁成折叠形状,以完成电热功能层2制作;
b、在电热功能层2一面涂布环氧树脂,然后通过环氧树脂将电热功能层2贴合到柔性基材1表面,柔性基材1为聚酰亚胺膜;
c、将贴合有电热功能层2的柔性基材1置于烤箱中进行热固化处理,固化温度为100℃,以完成柔性电热片制作;
d、在柔性电热片贴有电热功能层2的一面贴上或涂上封装层3,以完成柔性发热膜制作,封装层3为导热硅脂。
通过上述工艺步骤设计,该制备方法能够有效地生产制备本实施例一的柔性电热膜。
实施例二,如图1所示,一种柔性电热膜,其为三层复合结构,且柔性电热膜包括有依次层叠布置的柔性基材1、电热功能层2、封装层3。
其中,柔性基材1为聚酯膜;电热功能层2为镉镍合金箔,其型号为Cr15Ni60,且设计为放条形状(如图2所示),封装层3为导热硅脂。
需进一步指出,本实施例二的柔性电热膜具有以下优点,具体为:1、结构简单、节能环保;2、制备工艺简单,成本低,且易于规模化生产。
需进一步解释,本实施例二的柔性电热膜可以采用以下制备方法制备而成,具体的,一种柔性电热膜的制备方法,其包括有以下工艺步骤,具体为:
a、将型号为Cr15Ni60的镉镍合金箔按照设计要求剪裁成放条形状,以完成电热功能层2制作;
b、在电热功能层2一面涂布环氧树脂,然后通过环氧树脂将电热功能层2贴合到柔性基材1表面,柔性基材1为聚酯膜;
c、将贴合有电热功能层2的柔性基材1置于烤箱中进行热固化处理,固化温度为50℃,以完成柔性电热片制作;
d、在柔性电热片贴有电热功能层2的一面贴上或涂上封装层3,以完成柔性发热膜制作,封装层3为导热硅脂。
通过上述工艺步骤设计,该制备方法能够有效地生产制备本实施例二的柔性电热膜。
实施例三,如图1所示,一种柔性电热膜,其为三层复合结构,且柔性电热膜包括有依次层叠布置的柔性基材1、电热功能层2、封装层3。
其中,柔性基材1为聚丙乙烯膜;电热功能层2为镉镍合金箔,其型号为Cr15Ni60,且设计为放条形状(如图2所示),封装层3为导热硅脂。
需进一步指出,本实施例三的柔性电热膜具有以下优点,具体为:1、结构简单、节能环保;2、制备工艺简单,成本低,且易于规模化生产。
需进一步解释,本实施例三的柔性电热膜可以采用以下制备方法制备而成,具体的,一种柔性电热膜的制备方法,其包括有以下工艺步骤,具体为:
a、将型号为Cr15Ni60的镉镍合金箔按照设计要求剪裁成放条形状,以完成电热功能层2制作;
b、在电热功能层2一面涂布环氧树脂,然后通过环氧树脂将电热功能层2贴合到柔性基材1表面,柔性基材1为聚丙乙烯膜;
c、将贴合有电热功能层2的柔性基材1置于烤箱中进行热固化处理,固化温度为60℃,以完成柔性电热片制作;
d、在柔性电热片贴有电热功能层2的一面贴上或涂上封装层3,以完成柔性发热膜制作,封装层3为导热硅脂。
通过上述工艺步骤设计,该制备方法能够有效地生产制备本实施例三的柔性电热膜。
以上内容仅为本发明的较佳实施例,对于本领域的普通技术人员,依据本发明的思想,在具体实施方式及应用范围上均会有改变之处,本说明书内容不应理解为对本发明的限制。
Claims (4)
1.一种柔性电热膜,其特征在于:该柔性电热膜为三层复合结构,且柔性电热膜包括有依次层叠布置的柔性基材(1)、电热功能层(2)、封装层(3);
柔性基材(1)为聚酰亚胺膜、聚酯膜或者聚丙乙烯膜;
电热功能层(2)为镉镍合金箔或者铁铬铝合金箔;
封装层(3)为导热硅脂、导热胶或者导热粘接膏。
2.一种柔性电热膜的制备方法,其特征在于,包括有以下工艺步骤,具体为:
a、将镉镍合金箔或者铁铬铝合金箔依据要求剪裁成设计图形,以完成电热功能层(2)制作;
b、在电热功能层(2)一面涂布热固性粘结性树脂,然后通过热固性粘结性树脂将电热功能层(2)贴合到柔性基材(1)表面,柔性基材(1)为聚酰亚胺膜、聚酯膜或者聚丙乙烯膜;
c、将贴合有电热功能层(2)的柔性基材(1)置于烤箱中进行热固化处理,以完成柔性电热片制作;
d、在柔性电热片贴有电热功能层(2)的一面贴上或涂上封装层(3),以完成柔性发热膜制作,封装层(3)为导热硅脂、导热胶或者导热粘接膏。
3.根据权利要求2所述的一种柔性电热膜的制备方法,其特征在于:所述热固性粘结性树脂为聚酰亚胺树脂、环氧树脂、丙烯酸树脂、酚醛树脂或者有机硅树脂。
4.根据权利要求2所述的一种柔性电热膜的制备方法,其特征在于:所述步骤c中的热固化处理为低温热固化处理,固化温度为30℃-200℃。
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