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CN116284929A - 具有镜面效果可印刷镀铝复合膜制备方法及镀铝复合膜 - Google Patents

具有镜面效果可印刷镀铝复合膜制备方法及镀铝复合膜 Download PDF

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CN116284929A
CN116284929A CN202310298825.5A CN202310298825A CN116284929A CN 116284929 A CN116284929 A CN 116284929A CN 202310298825 A CN202310298825 A CN 202310298825A CN 116284929 A CN116284929 A CN 116284929A
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柳瑶
邓莎
陈文聪
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Hunan Herui Laser Technology Co ltd
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Abstract

本发明具体公开了一种具有镜面效果可印刷镀铝复合膜制备方法及镀铝复合膜，所述方法包括以下步骤：S1、制备表面光洁透亮的PET基膜；S2、选择网孔之间存在通道的网辊，采用所选择的网辊并基于预先配置的无色透明复合涂料对PET基膜进行涂布，进而得到均匀透明的复合涂布膜；S3、基于铝丝对所获得的复合涂布膜进行蒸镀。本发明通过选择表面光洁透亮的PET基膜，并对涂布网辊的结构以及涂布过程中的复合涂料进行改进，进而能够获得均匀透明的复合涂布膜，基于所得到的均匀透明的复合涂布膜进行蒸镀，即可得到具有镜面效果可印刷镀铝复合膜，且该镀铝复合膜还能在后期进行再印刷。

Description

具有镜面效果可印刷镀铝复合膜制备方法及镀铝复合膜
技术领域
本发明涉及复合膜制造技术领域，尤其涉及一种具有镜面效果可印刷镀铝复合膜及镀铝复合膜。
背景技术
现有镀铝复合膜是通过在基膜上涂布一层涂料后，经过镀铝等加工工艺后制成具有类似金属银目视效果的新材料，主要应用于塑料膜、纸等包装材料的生产，现有技术大多采用PET材质的基膜，而PET材质的基膜表面受到聚合时产生的很多微小气泡影响使得其本身以及基于其制作出来的成品膜看上去不够光洁透亮；同时，加上涂布复合涂料或多或少有颜色存在导致成品膜不具备高亮度和镜面效果。
发明内容
本发明的目的在于提供一种具有镜面效果可印刷镀铝复合膜制备方法，所述方法包括以下步骤：
S1、制备表面光洁透亮的PET基膜；
S2、选择网孔之间存在通道的网辊，采用所选择的网辊并基于预先配置的无色透明复合涂料对PET基膜进行涂布，进而得到均匀透明的复合涂布膜；
S3、基于铝丝对所获得的复合涂布膜进行蒸镀。
优选地，所述步骤S1中PET基膜制备过程中，将聚合反应温度控制在150-200℃之间，并在聚合过程中添加热稳定剂和抗氧化剂，进而延长PET基膜聚合的反应时间以及对聚合过程中热降解和热氧化的副反应进行抑制，有效提高了PET链段排列的规整性，从而大大减少了PET基膜聚合过程中所产生的微小气泡，使得该基膜表面光洁透亮且具有一定的表面张力，其中，所述热稳定剂为磷酸，抗氧化剂为亚磷酸三苯酯。
优选地，所述步骤S2中预先配置的无色透明复合涂料具体包括以下组成：
Figure BDA0004144177810000011
Figure BDA0004144177810000021
优选地，所述步骤S3蒸镀过程中蒸镀铝丝的进丝速度控制为55-60cm/min。
优选地，所述步骤S3的蒸镀过程具体为：选择纯度为99.99％且直径为1.5-2.0mm的铝丝，并在真空状态下将所选择的铝丝加热成气态铝后均匀涂布于复合涂布膜上，其中，铝丝的进丝速度为55-60cm/min，复合涂布膜上的铝层厚度为420-470埃米。
本发明还提供了一种具有镜面效果可印刷镀铝复合膜，所述镀铝复合膜基于上述所述具有镜面效果可印刷镀铝复合膜制备方法制作而成。
与现有技术比较，本发明所提供的一种具有镜面效果可印刷镀铝复合膜制备方法及镀铝复合膜，所述方法通过选择表面光洁透亮的PET基膜，并对涂布网辊的结构以及涂布过程中的复合涂料进行改进，进而能够获得均匀透明的复合涂布膜，同时，对复合涂布膜蒸镀工艺进行改进，使得复合涂布膜上的铝层厚度增加，从而最终得到具有镜面效果可印刷镀铝复合膜，而且，由于PET基膜具有一定的表面张力，使得该镀铝复合膜还能在后期进行再印刷。
附图说明
图1是本发明一种具有镜面效果可印刷镀铝复合膜制备方法的流程图。
具体实施方式
为了使本技术领域的人员更好地理解本发明的技术方案，下面结合附图对本发明作进一步的详细说明。
如图1所示，一种具有镜面效果可印刷镀铝复合膜制备方法，所述方法包括以下步骤：
S1、制备表面光洁透亮的PET基膜；
该步骤中，所述PET基膜制备过程中，将其聚合反应温度控制在150-200℃之间，并在聚合过程中添加热稳定剂和抗氧化剂，进而延长PET基膜聚合的反应时间以及对聚合过程中热降解和热氧化的副反应进行抑制，有效提高了PET链段排列的规整性，从而大大减少了PET基膜聚合过程中所产生的微小气泡，使得该基膜表面光洁透亮且具有一定的表面张力，其中，所述热稳定剂为磷酸，抗氧化剂为亚磷酸三苯酯。通过降低PET基膜聚合反应温度，一方面可以有效延长PET基膜的聚合反应时间；另一方面由于聚合反应温度降低使得其聚合反应更加温和，进而聚合反应的副反应减少，使得PET链段排列更加规整，进而减少聚合过程中的微小气泡；同时，利用热稳定剂和抗氧化剂可以有效去除副反应中的自由基以断掉其后续的副反应，从而最终得到表面光洁透亮且具有一定表面张力的PET基膜；
S2、选择网孔之间存在通道的网辊，采用所选择的网辊并基于预先配置的无色透明复合涂料对PET基膜进行涂布，进而得到均匀透明的复合涂布膜；
该步骤中，所述预先配置的无色透明复合涂料具体包括以下组成：
Figure BDA0004144177810000031
由于上述物料均不具有颜色，将上述物料依次加入反应釜中进行搅拌，直至混合均匀即可得到无色透明复合涂料；
S3、基于铝丝对所获得的复合涂布膜进行蒸镀。
该步骤中，具体为：选择纯度为99.99％且直径为1.5-2.0mm的铝丝，并在真空状态下将所选择的铝丝加热成气态铝后均匀涂布于复合涂布膜上，其中，铝丝的进丝速度为55-60cm/min，复合涂布膜上的铝层厚度为420-470埃米，通过选择高纯度铝丝并控制进丝速度为55-60cm/min，可以将原有铝层厚度400埃米增加至420-470埃米之间。
本实施例中，通过对PET基膜的生产工艺、PET基膜涂布的复合涂料组成以及蒸镀工艺进行改进，能够得到均匀透明的复合涂布膜，并使得均匀透明的复合涂布膜上的铝层厚度得到有效增加，从而最终得到具有镜面效果可印刷镀铝复合膜，而且，由于PET基膜具有一定的表面张力，使得该镀铝复合膜还能在后期进行再印刷。
本发明还提供了一种具有镜面效果可印刷镀铝复合膜，所述镀铝复合膜基于上述所述具有镜面效果可印刷镀铝复合膜制备方法制作而成。
基于所述具有镜面效果可印刷镀铝复合膜制备方法的描述，该镀铝复合膜具有相同的有益技术效果，此处不再赘述。
以上对本发明所提供的一种具有镜面效果可印刷镀铝复合膜及镀铝复合膜进行了详细介绍。本文中应用了具体个例对本发明的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本发明的核心思想。应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以对本发明进行若干改进和修饰，这些改进和修饰也落入本发明权利要求的保护范围内。

Claims (6)

1.具有镜面效果可印刷镀铝复合膜制备方法，其特征在于，所述方法包括以下步骤：
S1、制备表面光洁透亮的PET基膜；
S2、选择网孔之间存在通道的网辊，采用所选择的网辊并基于预先配置的无色透明复合涂料对PET基膜进行涂布，进而得到均匀透明的复合涂布膜；
S3、基于铝丝对所获得的复合涂布膜进行蒸镀。
2.如权利要求1所述的具有镜面效果可印刷镀铝复合膜制备方法，其特征在于，所述步骤S1中PET基膜制备过程中，将聚合反应温度控制在150-200℃之间，并在聚合过程中添加热稳定剂和抗氧化剂，进而延长PET基膜聚合的反应时间以及对聚合过程中热降解和热氧化的副反应进行抑制，有效提高了PET链段排列的规整性，从而大大减少了PET基膜聚合过程中所产生的微小气泡，使得该基膜表面光洁透亮且具有一定的表面张力，其中，所述热稳定剂为磷酸，抗氧化剂为亚磷酸三苯酯。
3.如权利要求2所述的具有镜面效果可印刷镀铝复合膜制备方法，其特征在于，所述步骤S2中预先配置的无色透明复合涂料具体包括以下组成：
Figure FDA0004144177800000011
4.如权利要求3所述的具有镜面效果可印刷镀铝复合膜制备方法，其特征在于，所述步骤S3蒸镀过程中蒸镀铝丝的进丝速度控制为55-60cm/min。
5.如权利要求4所述的具有镜面效果可印刷镀铝复合膜制备方法，其特征在于，所述步骤S3的蒸镀过程具体为：选择纯度为99.99％且直径为1.5-2.0mm的铝丝，并在真空状态下将所选择的铝丝加热成气态铝后均匀涂布于复合涂布膜上，其中，铝丝的进丝速度为55-60cm/min，复合涂布膜上的铝层厚度为420-470埃米。
6.一种具有镜面效果可印刷镀铝复合膜，其特征在于，所述镀铝复合膜基于权利要求1至5中任一项所述具有镜面效果可印刷镀铝复合膜制备方法制作而成。
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KR19990003340A (ko) * 1997-06-11 1999-01-15 이철우 증착강판 및 그의 제조방법
CN103866607A (zh) * 2014-03-25 2014-06-18 广州慧谷化学有限公司 一种高强度直镀铝水性底涂及其制备方法和应用
CN105799282A (zh) * 2014-12-31 2016-07-27 上海永超真空镀铝有限公司 一种局部仿镜面金属复合薄膜的制备方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990003340A (ko) * 1997-06-11 1999-01-15 이철우 증착강판 및 그의 제조방법
CN103866607A (zh) * 2014-03-25 2014-06-18 广州慧谷化学有限公司 一种高强度直镀铝水性底涂及其制备方法和应用
CN105799282A (zh) * 2014-12-31 2016-07-27 上海永超真空镀铝有限公司 一种局部仿镜面金属复合薄膜的制备方法

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