CN112831754A - 一种高附着力聚酯镀铝薄膜镀膜工艺 - Google Patents

一种高附着力聚酯镀铝薄膜镀膜工艺 Download PDF

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CN112831754A
CN112831754A CN202011615378.4A CN202011615378A CN112831754A CN 112831754 A CN112831754 A CN 112831754A CN 202011615378 A CN202011615378 A CN 202011615378A CN 112831754 A CN112831754 A CN 112831754A
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aluminum
aluminized
film
adhesion
polyester
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林善华
陈永群
张航
魏国华
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Foshan Cailong Coating Packaging Materials Co ltd
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    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/24—Vacuum evaporation
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/0021—Reactive sputtering or evaporation
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/02—Pretreatment of the material to be coated
    • C23C14/021—Cleaning or etching treatments
    • C23C14/022—Cleaning or etching treatments by means of bombardment with energetic particles or radiation
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
    • C23C14/08—Oxides
    • C23C14/081—Oxides of aluminium, magnesium or beryllium
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
    • C23C14/14—Metallic material, boron or silicon
    • C23C14/20—Metallic material, boron or silicon on organic substrates

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  • Materials Engineering (AREA)
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  • Organic Chemistry (AREA)
  • Physical Vapour Deposition (AREA)

Abstract

本发明公开了一种高附着力聚酯镀铝薄膜镀膜工艺，其特征在于，依次包括以下：S1:对镀铝基材聚酯薄膜进行等离子体预处理；S2：将经过预处理之后的基材聚酯薄膜放进镀铝设备中，在1100℃下将铝丝进行真空加热蒸发；S3：在铝蒸发的过程中通入氧气，使氧气与气态铝混合；S4：经过物理气相沉积的作用，在镀铝设备中给镀铝基材镀上铝膜。本发明所提供的高附着力聚酯镀铝薄膜镀膜工艺，操作简单，整个工艺流程中安全无污染，基材与镀铝层的附着力也相比普通镀铝膜附着力：1.5N/15mm有很大的提升，而且耗费以及能源损耗较低，可以更好的进行技术推广，具有广泛的市场应用前景。

Description

一种高附着力聚酯镀铝薄膜镀膜工艺
技术领域
本发明涉及金属镀膜领域，具体涉及一种高附着力聚酯镀铝薄膜镀膜工艺。
背景技术
镀铝膜是通过真空镀铝工艺将高纯度的铝丝在高温下蒸发成气态，之后塑料薄膜经过真空蒸发室时，气态的铝分子沉淀到塑料薄膜表面而形成的光亮金属色彩的薄膜。镀铝膜是采用特殊工艺在塑料薄膜表面镀上一层极薄的金属铝而形成的一种复合软包装材料，其中最常用的加工方法当数真空镀铝法，就是在高真空状态下通过高温将金属铝融化蒸发，使铝的蒸汽沉淀堆积到塑料薄膜表面上，从而使塑料薄膜表面具有金属光泽。
镀铝薄膜用途广泛，一般都是和其他物品复合使用，铝层与基材结合力即附着力不够时，容易发生铝层的转移，同时复合层剥离，达不到使用的要求，一般镀铝膜可以达到普通包装用要求，但是一些行业对铝层的附着力要求较高，普通镀铝膜很难满足要求。行业内对这种情况的解决方法一般有两种：1、对基材涂布化学涂层，此方法可以大大改善铝层与基材的附着力，但是不合格涂层存在环境污染和物质转移的问题,且一般价格较高。2、镀铝时对基材进行等离子处理，此方式的原理是用等离子对膜面进行清洁，同时可以增加膜面的粗糙度，以提高基材与铝层的附着力，但是此效果不明显。所以亟需一种提高镀铝层与基材附着力的镀膜工艺。
发明内容
为了解决上述技术问题，本发明的目的即在于提供一种高附着力聚酯镀铝薄膜镀膜工艺。
本发明的目的是通过以下技术方案来实现的：
一种高附着力聚酯镀铝薄膜镀膜工艺，其特征在于，依次包括以下：
S1:对镀铝基材聚酯薄膜进行等离子体预处理；
S2：将经过预处理之后的基材聚酯薄膜放进镀铝设备中，在1100℃下将铝丝进行真空加热蒸发；
S3：在铝蒸发的过程中通入氧气，使氧气与气态铝混合；
S4：经过物理气相沉积的作用，在镀铝设备中给镀铝基材镀上铝膜。
优选地，所述S4中的铝层厚度为400-550埃。
优选地，所述S4中的铝膜透氧率(cc/m2·day)≤1，透湿率(g/m2·day)≤1。
优选地，所述氧气的流量为6000sccm。
在镀铝设备的蒸发槽上方安装通气设备，在铝丝蒸发过程中混入适量的氧气，这样就使的基材上沉积的铝和氧气混合，部分铝原子就以Al-O的方式存在在基材表面。因为Al-O的化学键，相比Al-Al的键能更大，增加了铝层内部的结合力，氧原子也可以与基底材料中的其他元素形成共价键，而不是像铝原子一样只有分子间作用力，从而增加了铝与铝，铝与基材的结合力，明显改善基材与镀铝层的附着力。
本发明具有如下有益效果:
本发明所提供的高附着力聚酯镀铝薄膜镀膜工艺，操作简单，整个工艺流程中安全无污染，基材与镀铝膜的附着力也相比普通镀铝膜附着力：1.5N/15mm有很大的提升，而且耗费以及能源损耗较低，可以更好的进行技术推广，具有广泛的市场应用前景。
具体实施方式
下面结合实施例对本发明进行详细的说明，实施例仅是本发明的优选实施方式，除非另有定义，本文所使用的所有的技术和科学术语与属于本发明的技术领域的技术人员通常理解的含义相同。本文中在本发明的说明书中所使用的术语只是为了描述具体的实施例的目的，不是旨在于限制本发明。
实施例1
将等离子体预处理过的镀铝基材聚酯薄膜基材装在真空蒸镀机中，用真空泵抽真空，使镀膜中的真空度达到1.3×10-2，加热使高纯度的铝丝在1100℃的温度下溶化并蒸发成气态铝。在蒸发的过程中通入氧气，使氧气与气态铝混合，氧气的流量为6000sccm，经过物理气相沉积的作用，在气态铝微粒在移动的薄膜基材表面沉积、经冷却还原即形成一层连续而光亮的金属铝层。
实施例2
根据检测标准BB/T0030-2019，检测实施例1中形成的镀铝膜参数，得到的结果如下：
Figure BDA0002874755960000031
Figure BDA0002874755960000041
本发明所提供的高附着力聚酯镀铝薄膜镀膜工艺，操作简单，整个工艺流程中安全无污染，基材与镀铝膜的附着力3.37N/15mm也相比普通镀铝膜附着力1.5N/15mm有很大的提升，而且耗费以及能源损耗较低，可以更好的进行技术推广，具有广泛的市场应用前景。
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (4)

1.一种高附着力聚酯镀铝薄膜镀膜工艺，其特征在于，依次包括以下：
S1:对镀铝基材聚酯薄膜进行等离子体预处理；
S2：将经过预处理之后的基材聚酯薄膜放进镀铝设备中，在1100℃下将铝丝进行真空加热蒸发；
S3：在铝蒸发的过程中通入氧气，使氧气与气态铝混合；
S4：经过物理气相沉积的作用，在镀铝设备中给镀铝基材镀上铝膜。
2.根据权利要求1所述的高附着力聚酯镀铝薄膜镀膜工艺，其特征在于，所述S4中的铝层厚度为400-550埃。
3.根据权利要求1所述的高附着力聚酯镀铝薄膜镀膜工艺，其特征在于，所述S4中的铝膜透氧率(cc/m2·day)≤1，透湿率(g/m2·day)≤1。
4.根据权利要求1所述的高附着力聚酯镀铝薄膜镀膜工艺，其特征在于，所述氧气的流量为6000sccm。
CN202011615378.4A 2020-12-31 2020-12-31 一种高附着力聚酯镀铝薄膜镀膜工艺 Pending CN112831754A (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113912894A (zh) * 2021-09-16 2022-01-11 佛山市彩龙镀膜包装材料有限公司 一种透明高阻隔聚酯镀氧化铝薄膜及其制备方法
CN114044933A (zh) * 2021-11-25 2022-02-15 佛山市彩龙镀膜包装材料有限公司 一种新型夹心结构镀铝膜及其制备方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109207926A (zh) * 2018-11-15 2019-01-15 永新股份（黄山）包装有限公司 一种增强型镀铝膜及其生产工艺

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109207926A (zh) * 2018-11-15 2019-01-15 永新股份（黄山）包装有限公司 一种增强型镀铝膜及其生产工艺

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113912894A (zh) * 2021-09-16 2022-01-11 佛山市彩龙镀膜包装材料有限公司 一种透明高阻隔聚酯镀氧化铝薄膜及其制备方法
CN113912894B (zh) * 2021-09-16 2022-06-14 佛山市彩龙镀膜包装材料有限公司 一种透明高阻隔聚酯镀氧化铝薄膜及其制备方法
CN114044933A (zh) * 2021-11-25 2022-02-15 佛山市彩龙镀膜包装材料有限公司 一种新型夹心结构镀铝膜及其制备方法
CN114044933B (zh) * 2021-11-25 2022-06-10 佛山市彩龙镀膜包装材料有限公司 一种夹心结构镀铝膜及其制备方法

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Application publication date: 20210525