CN106188597A - 一种抗静电阻燃改性pet/pe复合离型膜 - Google Patents

一种抗静电阻燃改性pet/pe复合离型膜 Download PDF

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CN106188597A
CN106188597A CN201610590945.2A CN201610590945A CN106188597A CN 106188597 A CN106188597 A CN 106188597A CN 201610590945 A CN201610590945 A CN 201610590945A CN 106188597 A CN106188597 A CN 106188597A
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於险峰
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Ji Xiangbao (taicang) Material Science And Technology Development Co Ltd
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Abstract

本发明涉及离型膜技术领域，提供了一种抗静电阻燃型改性PET/PE复合离型膜，包括基膜、抗静电层、离型层和阻燃层，所述基膜由PET/PE薄膜通过改性复合而成；由聚硅酸乙酯涂料构成的抗静电涂层具有良好的导电性，能够把离型膜表面的静电带走，达到抗静电；阻燃层中的纳米三氧化二锑与二乙基次膦酸发生缩合反应促进了成炭，不仅促进了PET/PE复合离型膜的结晶，而且增加了熔融吸热量，大大提高了PET/PE复合离型膜的阻燃性能，具有良好的抗静电和阻燃性能。

Description

一种抗静电阻燃改性PET/PE复合离型膜
技术领域
本发明涉及离型膜技术领域，具体涉及一种抗静电阻燃改性PET/PE复合离型膜。
背景技术
聚对苯二甲酸乙二醇酯（PET）是一种重要的工程塑料，具有优良的物理机械性能；聚乙烯（PE）是乙烯经聚合制得的一种热塑性树脂，具有优良的耐低温性能（最低使用温度可达-100~-70℃），化学稳定性好。。改性PET/PE离型膜就是以PET/PE薄膜为基材，并在PET/PE薄膜的表面涂上一层硅油，所以也叫硅油膜，使PET/PE薄膜的表面光滑，从而降低PET/PE薄膜表面的张力，使其具有较好的离型力，达到离型的效果。
改性PET离型膜常规厚度从25μm至150μm。有冷热撕和光哑面之分，经过防静电和防划伤处理，产品具有很好的吸附性和贴合性。
改性PET离型膜现已被广泛应包装、印刷、丝印、移印、铭板、薄膜开关、柔性线路、绝缘制品、线路板、激光防伪、贴合、电子、密封材料用膜、反光材料、防水材料、医药 (膏药用纸)、卫生用纸、胶粘制品、模切冲型加工等行业领域。
为了提高PET离型膜的阻燃性能，通常采用的方法是在PET离型膜中添加阻燃剂及其它固体粉料助剂。虽然能够带来某些性能的显著提高，但改性剂与PET在相容性、嵌入的程度、分布范围等方面存在不足，影响了PET离型膜的力学性能。现有的离型膜中的阻燃剂发挥的阻燃效果较为一般，无法满足某些特定要求，同时也存在抗静电性能差，因此，有必要开发一种抗静电性能优良、机械性能良好，具有耐高温阻燃效果的改性PET/PE复合离型膜。
发明内容
本发明的目的在于，提供一种具有抗静电性能优良、机械性能良好，具有耐高温阻燃效果的改性PET/PE复合离型膜。
为解决上述技术问题，实现上述目的，本发明的技术方案如下：
本发明所述的一种抗静电阻燃改性PET/PE复合离型膜，包括基膜、抗静电层、离型层和阻燃层，所述基膜为聚酯、聚碳酸酯复合改性薄膜；所述的抗静电层设置于基膜与离型层之间，所述的抗静电涂层由聚硅酸乙酯涂料构成；所述的离型层设置于基膜的一面；所述的阻燃层设置于基膜的无离型层的一侧外表面，所述的阻燃层阻燃剂为复合阻燃剂。
所述的基膜按重量份计包括以下重量份组分：PET 40-60份、PE 30-50份、端氢硅油20-30份、改性蒙脱土3-7份、纳米氮化钛3-5份、石蜡0.5-1.5份；
所述的离型层包括以下重量份的组分：导电聚合物树脂20-40份、甲基含氢硅油20-40份、乙烯基有机硅树脂30-50份、引发剂0.5-1.5份、抗氧化剂0.1-1.0份、增韧剂3-7份、稀释剂18-35份。
优选的，所述的基膜按重量份计包括以下重量份组分：PET 45-55份、PE 35-45份、端氢硅油22-28份、改性蒙脱土4-6份、纳米氮化钛3-4份、石蜡0.8-1.2份；
所述的离型层按重量份计，包括以下重量份的组分：导电聚合物树脂25-35份、甲基含氢硅油25-35份、乙烯基有机硅树脂35-45份、引发剂0.6-1.4份、抗氧化剂0.2-0.8份、增韧剂4-6份、稀释剂23-31份。
优选的，所述的基膜按重量份计包括以下重量份组分：PET50份、PE 40份、端氢硅油25份、改性蒙脱土5份、纳米氮化钛4份、石蜡1份；
所述的离型层按重量份计，包括以下重量份的组分：导电聚合物树脂28-32份、甲基含氢硅油28-32份、乙烯基有机硅树脂38-42份、引发剂0.8-1.2份、抗氧化剂0.4-0.6份、增韧剂5-6份、稀释剂25-28份。
优选的，所述的基膜中改性蒙脱土的平均粒径约为10纳米。
优选的，所述的基膜中纳米氮化钛的平均粒径约为18纳米。
优选的，所述基膜的厚度为20-100微米。
优选的，所述抗静电层的厚度为5-20纳米。
优选的，所述离型层的厚度为5-30纳米。
优选的，所述离型层中的稀释剂为乙二醇甲醚。
优选的，所述的阻燃层中复合阻燃剂由纳米三氧化二锑和二乙基次膦酸铝按重量比1:1.5复配而成。
优选的，所述阻燃层的厚度为1-10纳米。
本发明的有益效果是：本发明的基膜由PET/PE薄膜，通过改性复合而成，纳米氮化钛具有较高的熔点、良好的导热性及环境稳定性，可以大大提高 PET/PE离型膜材料的力学性能、成型结晶性能和热稳定性能；由聚硅酸乙酯涂料构成的抗静电涂层具有良好的导电性，能够把离型膜表面的静电带走，从而达到抗静电的效果，且效果稳定、良好；阻燃层由复合阻燃剂纳米三氧化二锑和二乙基次膦酸铝复配而成，两种阻燃剂协同阻燃，纳米三氧化二锑表面的羟基与二乙基次膦酸发生缩合反应促进了成炭，不仅促进了PET/PE复合离型膜的结晶，而且增加了熔融吸热量，大大提高了PET/PE复合离型膜的阻燃性能，本发明的改性PET/PE复合离型膜具有优异的机械性能，可加工性好。
具体实施方式
下面通过具体实施例对本发明做进一步的说明，但实施例并不限制本发明的保护范围。
下面实施例1-6所述的抗静电阻燃改性PET/PE复合离型膜，包括基膜、抗静电层、离型层和阻燃剂层，所述基膜为聚酯、聚碳酸酯复合改性薄膜；所述的抗静电层设置于基膜与离型层之间，所述的抗静电涂层由聚硅酸乙酯涂料构成；所述的离型层设置于基膜的一面；所述的阻燃层设置于基膜的无离型层的一侧外表面，所述的阻燃层阻燃剂为复合阻燃剂，所述复合阻燃剂由纳米三氧化二锑和二乙基次膦酸铝按重量比1:1.5复配而成。
实施例1
一种抗静电阻燃改性PET/PE复合离型膜，所述的基膜按重量份计包括以下重量份组分：PET 40份、PE 30份、端氢硅油20份、改性蒙脱土3份、纳米氮化钛3份、石蜡0.5份，所述基膜薄膜厚度为20微米；
所述的离型层包括以下重量份的组分：导电聚合物树脂20份、甲基含氢硅油20份、乙烯基有机硅树脂30份、引发剂0.5份、抗氧化剂0.1份、增韧剂3份、乙二醇甲醚18份，所述离型层厚度为5纳米；
将涂布好的基膜经过热固化、光固化制备而成，热固化温度为90℃，时间20s；热固化强度为90W/cm、剂量为150J/cm2、光照射时间20s制备而成所述的抗静电阻燃改性PET/PE复合离型膜，所述的抗静电层厚度为5纳米，所述阻燃层厚度为1纳米。
实施例2
一种抗静电阻燃改性PET/PE复合离型膜，所述的基膜按重量份计包括以下重量份组分：PET 60份、PE 50份、端氢硅油30份、改性蒙脱土7份、纳米氮化钛5份、石蜡1.5份，所述的基膜厚度为100微米；
所述的离型层包括以下重量份的组分：导电聚合物树脂40份、甲基含氢硅油40份、乙烯基有机硅树脂50份、引发剂1.5份、抗氧化剂1.0份、增韧剂7份、乙二醇甲醚35份，所述离型层厚度为30纳米；
将涂布好的基膜经过热固化、光固化制备而成，热固化温度为110℃，时间12s；热固化强度为110W/cm、剂量为350J/cm2、光照射时间8s制备而成所述的抗静电阻燃改性PET/PE复合离型膜，所述的抗静电层厚度为20纳米，所述阻燃层厚度为10纳米。
实施例3
一种抗静电阻燃改性PET/PE复合离型膜，所述的基膜按重量份计包括以下重量份组分：PET 45份、PE 35份、端氢硅油22份、改性蒙脱土4份、纳米氮化钛3份、石蜡0.8份，所述基膜厚度为40微米；
所述的离型层包括以下重量份的组分：导电聚合物树脂25份、甲基含氢硅油25份、乙烯基有机硅树脂35份、引发剂0.6份、抗氧化剂0.2份、增韧剂4份、乙二醇甲醚23份，所述离型层厚度为10纳米；
将涂布好的基膜经过热固化、光固化制备而成，热固化温度为95℃，时间18s；热固化强度为95W/cm、剂量为200J/cm2、光照射时间18s制备而成所述的抗静电阻燃改性PET/PE复合离型膜，所述的抗静电层厚度为10纳米，所述阻燃层厚度为2纳米。
实施例4
一种抗静电阻燃改性PET/PE复合离型膜，所述的基膜按重量份计包括以下重量份组分：PET 55份、PE 45份、端氢硅油28份、改性蒙脱土6份、纳米氮化钛4份、石蜡1.2份，所述基膜厚度为80微米；
所述的离型层包括以下重量份的组分：导电聚合物树脂35份、甲基含氢硅油35份、乙烯基有机硅树脂45份、引发剂1.4份、抗氧化剂0.8份、增韧剂6份、乙二醇甲醚31份，所述离型层厚度为25纳米；
将涂布好的基膜经过热固化、光固化制备而成，热固化温度为105℃，时间14s；热固化强度为105W/cm、剂量为300J/cm2、光照射时间10s制备而成所述的抗静电阻燃改性PET/PE复合离型膜，所述的抗静电层厚度为15纳米，所述阻燃层厚度为8纳米。
实施例5
一种抗静电阻燃改性PET/PE复合离型膜，所述的基膜按重量份计包括以下重量份组分：PET 50份、PE 40份、端氢硅油25份、改性蒙脱土5份、纳米氮化钛4份、石蜡1份，所述基膜厚度为50微米；
所述的离型层按重量份计，包括以下重量份的组分：导电聚合物树脂28份、甲基含氢硅油28份、乙烯基有机硅树脂38份、引发剂0.8份、抗氧化剂0.4份、增韧剂5份、乙二醇甲醚25份，所述离型层厚度为20纳米；
将涂布好的基膜经过热固化、光固化制备而成，热固化温度为100℃，时间16s；热固化强度为100W/cm、剂量为220J/cm2、光照射时间14s制备而成所述的抗静电阻燃改性PET/PE复合离型膜，所述的抗静电层厚度为15纳米，所述阻燃层厚度为5纳米。
实施例6
一种抗静电阻燃改性PET/PE复合离型膜，所述的基膜按重量份计包括以下重量份组分：PET 50份、PE 40份、端氢硅油25份、改性蒙脱土5份、纳米氮化钛4份、石蜡1份，所述基膜厚度为60微米；
所述的离型层按重量份计，包括以下重量份的组分：导电聚合物树脂32份、甲基含氢硅油32份、乙烯基有机硅树脂42份、引发剂1.2份、抗氧化剂0.6份、增韧剂6份、乙二醇甲醚28份，所述离型层厚度为20纳米；
将涂布好的基膜经过热固化、光固化制备而成，热固化温度为100℃，时间16s；热固化强度为100W/cm、剂量为250J/cm2、光照射时间12s制备而成所述的抗静电阻燃改性PET/PE复合离型膜，所述的抗静电层厚度为15纳米，所述阻燃层厚度为5纳米。
需要说明的是，以上实施例仅用以说明本发明的技术方案而非限制。尽管参照较佳实施例对本发明进行了详细说明，本领域的普通技术人员应当理解，可以对发明的技术方案进行修改或者等同替换，而不脱离本发明技术方案的范围，其均应涵盖在本发明的权利要求范围中。

Claims (10)

1.一种抗静电阻燃改性PET/PE复合离型膜，其特征在于，包括基膜、抗静电层、离型层和阻燃层，所述基膜为聚酯、聚碳酸酯复合改性薄膜；所述的抗静电层设置于所述基膜与所述离型层之间，所述的抗静电涂层由聚硅酸乙酯涂料构成；所述的离型层设置于所述基膜的一面；所述的阻燃层设置于所述基膜的无离型层的一侧外表面，所述的阻燃层阻燃剂为复合阻燃剂。
2.如权利要求1所述的一种抗静电阻燃改性PET/PE复合离型膜，其特征在于，所述的基膜按重量份计包括以下重量份组分：PET 40-60份、PE 30-50份、端氢硅油20-30份、改性蒙脱土3-7份、纳米氮化钛3-5份、石蜡0.5-1.5份；
所述的离型层按重量份计包括以下重量份的组分：导电聚合物树脂20-40份、甲基含氢硅油20-40份、乙烯基有机硅树脂30-50份、引发剂0.5-1.5份、抗氧化剂0.1-1.0份、增韧剂3-7份、稀释剂18-35份。
3.如权利要求1-2任意一项所述的一种抗静电阻燃改性PET/PE复合离型膜，其特征在于，所述的基膜中的改性蒙脱土的平均粒径约为10纳米。
4.如权利要求1-2任意一项所述的一种抗静电阻燃改性PET/PE复合离型膜，其特征在于，所述的基膜中的纳米氮化钛的平均粒径约为18纳米。
5.如权利要求1-2任意一项所述的一种抗静电阻燃改性PET/PE复合离型膜，其特征在于，所述基膜的厚度为20-100微米。
6.如权利要求1-2任意一项所述的一种抗静电阻燃改性PET/PE复合离型膜，其特征在于，所述抗静电层的厚度为5-20纳米。
7.如权利要求1-2任意一项所述的一种抗静电阻燃改性PET/PE复合离型膜，其特征在于，所述离型层的厚度为5-30纳米。
8.如权利要求1-2任意一项所述的一种抗静电阻燃改性PET/PE复合离型膜，其特征在于，所述离型层中的稀释剂为乙二醇甲醚。
9.如权利要求1-2任意一项所述的一种抗静电阻燃改性PET/PE复合离型膜，其特征在于，所述的复合阻燃剂由纳米三氧化二锑和二乙基次膦酸铝按重量比1:1.5复配而成。
10.如权利要求1-2任意一项所述的一种抗静电阻燃改性PET/PE复合离型膜，其特征在于，所述阻燃层的厚度为1-10纳米。
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