CN107109149A - 用于测量离型膜的剥离稳定性的方法和离型膜层合体 - Google Patents

用于测量离型膜的剥离稳定性的方法和离型膜层合体 Download PDF

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CN107109149A
CN107109149A CN201580058061.6A CN201580058061A CN107109149A CN 107109149 A CN107109149 A CN 107109149A CN 201580058061 A CN201580058061 A CN 201580058061A CN 107109149 A CN107109149 A CN 107109149A
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release
stripping
intensity
mould release
light
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CN107109149B (zh
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朴埈莹
金章淳
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LG Corp
LX Hausys Ltd
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LG Chemical Co Ltd
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Abstract

提供了用于测量离型膜的剥离稳定性的方法，所述方法包括以下步骤：制备包括粘合层和附接在粘合层的两侧的轻剥离离型膜和中剥离离型膜的层合体；通过在0.3至3.0m/分钟的剥离速度下测量轻剥离离型膜与粘合层的离型强度获得轻剥离、低速离型强度；通过在0.3至3.0m/分钟的剥离速度下测量中剥离离型膜与粘合层的离型强度获得中剥离、低速离型强度；通过在10至30m/分钟的剥离速度下测量轻剥离离型膜与粘合层的离型强度获得轻剥离、高速离型强度；通过在10至30m/分钟的剥离速度下测量中剥离离型膜与粘合层的离型强度获得中剥离、高速离型强度；以及在通式1和2的基础上测量高速离型强度平衡和低速离型强度平衡。

Description

用于测量离型膜的剥离稳定性的方法和离型膜层合体
技术领域
本发明涉及用于测量离型膜的剥离稳定性的方法和离型膜层合体。
背景技术
离型膜是有利于产品的处理和运输且可被容易地分离的膜，并且其已经用于多种用途。例如，离型膜可用作粘合膜用载体膜。在这种情况下，当使用多个离型膜时，根据各离型强度的差异，可能发生粘合剂被提起的现象或者出现粘合剂转移到离型膜上的问题。因此，需要用于选择具有剥离稳定性的离型膜的验证方法，其中由于多个离型膜之间的离型强度得以平衡，因此不会发生作为粘合膜用载体的粘合剂被提起的现象。
发明内容
技术问题
本发明的一个示例性实施方案提供了具有高可靠性和准确性的用于测量离型膜的剥离稳定性的方法。
本发明的另一示例性实施方案提供了包括具有优异剥离稳定性的离型膜的层合体，所述剥离稳定性通过用于测量离型膜的剥离稳定性的方法来测量。
技术方案
本发明的一个示例性实施方案提供了用于测量离型膜的剥离稳定性的方法，所述方法包括以下步骤：制备包括粘合层和附接在所述粘合层的两侧的轻剥离离型膜和中剥离离型膜的层合体；通过在约0.3m/分钟至约3.0m/分钟的剥离速度下测量所述轻剥离离型膜与所述粘合层的离型强度而获得轻剥离、低速离型强度；通过在约0.3m/分钟至约3.0m/分钟的剥离速度下测量所述中剥离离型膜与所述粘合层的离型强度而获得中剥离、低速离型强度；通过在约10m/分钟至约30m/分钟的剥离速度下测量所述轻剥离离型膜与所述粘合层的离型强度而获得轻剥离、高速离型强度；通过在约10m/分钟至约30m/分钟的剥离速度下测量所述中剥离离型膜与所述粘合层的离型强度而获得中剥离、高速离型强度；以及在以下通式1和2的基础上测量高速离型强度平衡和低速离型强度平衡。
[通式1]
高速离型强度平衡＝中剥离、高速离型强度/轻剥离、高速离型强度
[通式2]
低速离型强度平衡＝中剥离、低速离型强度/轻剥离、低速离型强度
用于测量离型膜的剥离稳定性的方法还可包括以下步骤：通过使用轻剥离、高速离型强度和轻剥离、低速离型强度在以下通式3的基础上测量轻剥离速度变化率；以及通过使用中剥离、高速离型强度和中剥离、低速离型强度在以下通式4的基础上测量中剥离速度变化率。
[通式3]
轻剥离速度变化率(％)＝(轻剥离、高速离型强度-轻剥离、低速离型强度)/轻剥离、低速离型强度×100
[通式4]
中剥离速度变化率(％)＝(中剥离、高速离型强度-中剥离、低速离型强度)/中剥离、低速离型强度×100
层合体的制备可包括将所述层合体在约20℃至约100℃下储存约0.5小时至约720小时的步骤。
轻剥离离型膜和中剥离离型膜可各自包括离型层和基底层的层合结构。
离型层可包含选自以下的至少一种：基于硅氧烷的离型剂、基于三聚氰胺的离型剂、基于聚烯烃的离型剂、基于环氧树脂的离型剂、丙烯酸类离型剂、基于氟的离型剂、基于纤维素的离型剂、基于石蜡的离型剂、基于环氧树脂-三聚氰胺的离型剂及其组合。
基底层可包含选自以下的至少一种：聚对苯二甲酸乙二醇酯(PET)、聚乙烯(PE)、聚乙烯醇(PVA)及其组合。
粘合层可包含选自以下的至少一种：丙烯酸类粘合剂、基于硅氧烷的粘合剂、基于橡胶的粘合剂及其组合。
本发明的另一个示例性实施方案提供了层合体，其包括：粘合层；和附接在所述粘合层的两侧的轻剥离离型膜和中剥离离型膜，其中通过用于测量离型膜的剥离稳定性的方法所测量的高速离型强度平衡和低速离型强度平衡均为约1.5至约5.0。
在层合体中，轻剥离离型膜的轻剥离速度变化率可为约100％至约300％，并且中剥离离型膜的中剥离速度变化率可为约200％至约400％。
在层合体中，轻剥离离型膜的轻剥离、低速离型强度可为约10gf/50mm至约50gf/50mm，并且中剥离离型膜的中剥离、低速离型强度可为约50gf/50mm至约200gf/50mm。
在层合体中，轻剥离离型膜的轻剥离、高速离型强度可为约10gf/50mm至约100gf/50mm，并且中剥离离型膜的中剥离、高速离型强度可为约50gf/50mm至约200gf/50mm。
有益效果
在通过用于测量离型膜的剥离稳定性的方法来确定多个离型膜之间的剥离稳定性是否优良中，可确保效率，并且可获得具有高可靠性和准确性的结果。
包括如下离型膜的层合体具有适合作为粘合膜用载体的物理特性，并且可降低将粘合膜应用于目标制品时的缺陷率：具有优异剥离稳定性，所述剥离稳定性通过用于测量离型膜的剥离稳定性的方法来测量。
附图说明
图1示意性示出根据本发明的一个示例性实施方案的层合体的截面。
图2示意性示出轻剥离离型膜的截面。
最佳实施方式
参照以下将描述的实施例，本发明的益处和特征以及实现这些益处和特征的方法将变得明显。然而，本发明不限于以下将公开的实施例，而是可以以多种其他形式实施，并且提供本实施例仅用于使本发明的公开内容完整，并且为了向本发明所属技术领域的普通技术人员全面地表述本发明的范围，并且本发明将仅由权利要求书的范围限定。在整个说明书中，相同的附图标记表示相同的构成元件。
用于测量离型膜的剥离稳定性的方法
本发明的一个示例性实施方案提供了用于测量离型膜的剥离稳定性的方法，所述方法包括以下步骤：制备包括粘合层和附接在所述粘合层的两侧的轻剥离离型膜和中剥离离型膜的层合体；通过在约0.3m/分钟至约3.0m/分钟的剥离速度下测量所述轻剥离离型膜与所述粘合层的离型强度而获得轻剥离、低速离型强度；通过在约0.3m/分钟至约3.0m/分钟的剥离速度下测量所述中剥离离型膜与所述粘合层的离型强度而获得中剥离、低速离型强度；通过在约10m/分钟至约30m/分钟的剥离速度下测量所述轻剥离离型膜与所述粘合层的离型强度而获得轻剥离、高速离型强度；通过在约10m/分钟至约30m/分钟的剥离速度下测量所述中剥离离型膜与所述粘合层的离型强度而获得中剥离、高速离型强度；以及在以下通式1和2的基础上测量高速离型强度平衡和低速离型强度平衡。
[通式1]
高速离型强度平衡＝中剥离、高速离型强度/轻剥离、高速离型强度
[通式2]
低速离型强度平衡＝中剥离、低速离型强度/轻剥离、低速离型强度
通常，离型膜被用作粘合膜的粘合层用载体，并且具有不同离型强度的两个离型膜附接在粘合层的两侧，并且可以被分销和运送。在这种情况下，只有当两个离型膜满足适当的离型强度平衡时，才可防止粘合层的提起现象。
为了确定多个离型膜是否满足对于一个粘合层的适当离型强度平衡，用于测量离型膜的剥离稳定性的方法可如下测量对层合体的剥离稳定性：制备包括粘合层和附接在所述粘合层的两侧的轻剥离离型膜和中剥离离型膜的层合体。
图1示意性示出层合体100的截面。层合体100具有这样的结构：其中轻剥离离型膜10、粘合层30和中剥离离型膜20顺序层合，并且轻剥离离型膜10和中剥离离型膜20对粘合层30具有不同的离型强度。
具体地，轻剥离离型膜10对粘合层30具有低于中剥离离型膜20的离型强度，并且当两种离型膜具有适当的离型强度平衡时，表现出优异的剥离稳定性。
用于测量离型膜的剥离稳定性的方法可包括获得轻剥离离型膜和中剥离离型膜的低速离型强度的步骤。
具体地，所述测量方法可包括以下步骤：通过在约0.3m/分钟至约3.0m/分钟的剥离速度下测量轻剥离离型膜与粘合层的离型强度而获得轻剥离、低速离型强度；以及通过在约0.3m/分钟至约3.0m/分钟的剥离速度下测量中剥离离型膜与粘合层的离型强度而获得中剥离、低速离型强度。
轻剥离离型膜和中剥离离型膜的低速离型强度可各自在约0.3m/分钟至约3.0m/分钟的剥离速度下测量，并且可具体地在约0.3m/分钟至约1.0m/分钟的剥离速度下测量。当在所述速度范围内测量各离型膜的低速离型强度，并因此，将离型膜基本上制造成产品时，可获得对离型膜的剥离稳定性的确保可靠性和准确性的结果。
此外，用于测量离型膜的剥离稳定性的方法可包括获得轻剥离离型膜和中剥离离型膜的高速离型强度的步骤。
具体地，所述测量方法可以包括以下步骤：通过在约10m/分钟至约30m/分钟的剥离速度下测量轻剥离离型膜与粘合层的离型强度而获得轻剥离、高速离型强度；以及通过在约10m/分钟至约30m/分钟的剥离速度下测量中剥离离型膜与粘合层的离型强度而获得中剥离、高速离型强度。
轻剥离离型膜和中剥离离型膜的高速离型强度可各自在约10m/分钟至约30m/分钟的剥离速度下测量，并且可具体地在约20m/分钟至约30m/分钟的剥离速度下测量。当在所述速度范围内测量各离型膜的高速离型强度，并因此，将离型膜基本上制造成产品时，可获得对离型膜的剥离稳定性的确保可靠性和准确性的结果。
用于测量离型膜的剥离稳定性的方法包括获得各个离型膜的低速离型强度和高速离型强度两者的步骤，并且可包括在通式1和2的基础上测量高速离型强度平衡和低速离型强度平衡两者的步骤。
由于所述测量方法测量高速离型强度平衡和低速离型强度平衡两者，因此当离型膜被施加并用于实际产品时，可以确保结果具有非常高的可靠性和准确性。
用于测量离型膜的剥离稳定性的方法还可包括以下步骤：通过使用轻剥离、高速离型强度和轻剥离、低速离型强度，在以下通式3的基础上测量轻剥离速度变化率；以及通过使用中剥离、高速离型强度和中剥离、低速离型强度，在以下通式4的基础上测量中剥离速度变化率。
[通式3]
轻剥离速度变化率(％)＝(轻剥离、高速离型强度-轻剥离、低速离型强度)/轻剥离、低速离型强度×100
[通式4]
中剥离速度变化率(％)＝(中剥离、高速离型强度-中剥离、低速离型强度)/中剥离、低速离型强度×100
通过进一步包括在通式3和4的基础上测量速度变化率的步骤，所述测量方法可获得对轻剥离离型膜和中剥离离型膜的离型强度平衡的更详细且准确的信息，并且可能有利的是：离型膜的剥离稳定性可能更可靠，并且可以确保更准确的结果。
在用于测量离型膜的剥离稳定性的方法中，层合体的制备可包括将所述层合体在约20℃至约100℃下储存约0.5小时至约720小时的步骤。可能有利的是，层合体在该条件下储存，从而提高了测量低速离型强度和高速离型强度的结果的可靠性。
图2示意性示出轻剥离离型膜10的截面。
参照图1和图2，轻剥离离型膜10可包括基底层11和离型层12的层合结构。在这种情况下，层合体100可为其中轻剥离离型膜的离型层12附接在粘合层30的一侧的层合体。
离型层12可包含选自以下的至少一种，具体地：基于硅氧烷的离型剂、基于三聚氰胺的离型剂、基于聚烯烃的离型剂、基于环氧树脂的离型剂、丙烯酸类离型剂、基于氟的离型剂、基于纤维素的离型剂、基于石蜡的离型剂、基于环氧树脂-三聚氰胺的离型剂及其组合。
中剥离离型膜20可具有与轻剥离离型膜10相同的层合结构。也就是说，中剥离离型膜20也可包括基底层和离型层的层合结构，并且在这种情况下，层合体100可为这样的层合体：其中中剥离离型膜的离型层附接在与附接有轻剥离离型膜的离型层12的一侧相反的侧面的层合体。
例如，轻剥离离型膜的离型层和中剥离离型膜的离型层可各自包含基于硅氧烷的离型剂。在这种情况下，可能有利的是，通过用于测量离型膜的剥离稳定性的方法获得的结果确保了高可靠性和准确性。
此外，轻剥离离型膜的基底层和中剥离离型膜的基底层可各自包含选自以下的至少一种：纸、非织造纤维、聚对苯二甲酸乙二醇酯(PET)、聚乙烯(PE)、聚乙烯醇(PVA)及其组合。例如，轻剥离离型膜的基底层和中剥离离型膜的基底层可包含聚对苯二甲酸乙二醇酯(PET)或聚乙烯(PE)，并且在这种情况下，两种基底层都具有优异的耐热性，并因此，可以通过用于测量离型膜的剥离稳定性的方法获得具有高准确性和可靠性的结果。
可通过使用离型膜而被运送和分销的粘合层可包含选自以下的至少一种，具体地：丙烯酸类粘合剂、基于硅氧烷的粘合剂、基于橡胶的粘合剂及其组合，但不限于此。
例如，粘合层可包含丙烯酸类粘合剂，并且在这种情况下，可能有利的是，可通过用于测量离型膜的剥离稳定性的方法获得剥离稳定性的准确结果。
层合体
一个示例性实施方案提供了层合体，其包括：粘合层；和附接在所述粘合层的两侧的轻剥离离型膜和中剥离离型膜，其中通过用于测量离型膜的剥离稳定性的方法所测量的高速离型强度平衡和低速离型强度平衡均为约1.5至约5.0。
高速离型强度平衡和低速离型强度平衡两者都可为约1.5至约5.0，并且可具体地为约1.7至约3.0。当高速离型强度平衡和低速离型强度平衡两者都满足所述范围时，层合体的离型膜可实现优异的剥离稳定性，并且当仅将轻剥离离型膜移除时，粘合层不会从中剥离离型膜剥离，并且可以防止粘合层被提起或者粘合剂转移到离型膜的问题。
此外，轻剥离离型膜的轻剥离速度变化率可为约300％或更小，并且可为例如约100％至约300％。此外，中剥离离型膜的中剥离速度变化率可为200％或更大，并且可为例如约200％至约400％。轻剥离速度变化率和中剥离速度变化率可通过使用通式3和4来获得。
当轻剥离离型膜和中剥离离型膜满足所述范围内的高速离型强度平衡和低速离型强度平衡，并且同时，表现出所述范围内的轻剥离速度变化率和中剥离速度变化率时，层合体的离型膜可确保优异的剥离稳定性，而无粘合层被提起或转移的现象。
具体地，轻剥离离型膜的轻剥离、低速离型强度可为约10gf/50mm至约50gf/50mm；并且中剥离离型膜的中剥离、低速离型强度可为约50gf/50mm至约200gf/50mm。也就是说，在约0.3m/分钟至约3.0m/分钟的剥离速度下对轻剥离离型膜和中剥离离型膜测量的离型强度可各自满足所述范围。当轻剥离、低速离型强度和中剥离、低速离型强度满足所述范围时，轻剥离离型膜通过预定的力被容易地剥离，而不引起轻剥离离型膜自发剥离的问题；当仅轻剥离离型膜被剥离时，由于中剥离离型膜牢固地结合在粘合膜上，因此可以防止粘合层被提起的问题。
此外，轻剥离离型膜的轻剥离、高速离型强度可以为约10gf/50mm至约100gf/50mm；并且中剥离离型膜的中剥离、高速离型强度可为约50gf/50mm至约200gf/50mm。也就是说，在约10m/分钟至约30m/分钟的剥离速度下对轻剥离离型膜和中剥离离型膜测量的离型强度可各自满足所述范围。当轻剥离、高速离型强度和中剥离、高速离型强度满足所述范围时，轻剥离离型膜通过预定的力被容易地剥离，而不引起轻剥离离型膜自发剥离的问题；当仅轻剥离离型膜被剥离时，由于中剥离离型膜牢固地结合在粘合膜上，因此可以防止粘合层被提起的问题。
下文中，将提出本发明的具体实施例。然而，提供以下所述实施例仅用于具体例示或说明本发明，并且本发明不限于此。
实施例1
制备包括丙烯酸类粘合层和附接在粘合层的两侧的轻剥离离型膜和中剥离离型膜的层合体。轻剥离离型膜和中剥离离型膜的各离型层和基底层的组分和含量示于下表1中。随后，对于轻剥离离型膜和中剥离型膜，通过在0.3m/分钟的剥离速度下测量离型强度来测量轻剥离、低速离型强度(A)和中剥离、低速离型强度(B)。随后，对于相同的层合体，通过在30m/分钟的剥离速度下测量离型强度来测量轻剥离、高速离型强度(C)和中剥离、高速离型强度(D)。随后，通过计算B/A和D/C的值来测量低速离型强度平衡和高速离型强度平衡。此外，通过使用方程(C-A)/A×100来测量轻剥离速度变化率(％)；并且通过使用方程(D-B)/B×100来测量中剥离速度变化率(％)。结果示于下表3中。
表1
实施例2
轻剥离离型膜和中剥离离型膜的各离型层和基底层的组分和含量示于下表2中，以及除组分和含量以外的使用与实施例1中相同的方式测量的低速离型强度平衡、高速离型强度平衡、轻剥离速度变化率和中剥离速度变化率。结果示于下表3中。
表2
实施例1和2中通过用于测量离型膜的剥离稳定性的方法测量的低速离型强度平衡、高速离型强度平衡、轻剥离速度变化率和中剥离速度变化率示于下表3中。
表3
在实施例1和2中，通过用于测量离型膜的剥离稳定性的方法来测量剥离稳定性，参照表3中的结果，可以看出实施例1显示出优异的剥离稳定性，因为低速离型强度平衡和高速离型强度平衡两者都满足1.5至5.0的范围。
相比之下，在实施例2中，作为通过用于测量离型膜的剥离稳定性的方法所测量的剥离稳定性的结果，可以看出低速离型强度平衡满足1.5至5.0的范围，但是高速离型强度平衡的值为1.0，并且剥离稳定性差，因为低速离型强度平衡和高速离型强度平衡不都满足1.5至5.0的范围。
此外，在实施例1中，轻剥离速度变化率为300％或更小，中剥离速度变化率为200％或更大，并且可以看出，通过使高速离型强度平衡和低速离型强度平衡满足所述范围，并且同时，显示出所述范围内的轻剥离速度变化率和所述范围内的中剥离速度变化率，层合体的离型膜确保了优异的剥离稳定性，而无层合体的离型膜被提起或转移的现象。
相比之下，在实施例2中，轻剥离速度变化率为300％或更小，但是中剥离速度变化率小于200％，并且因此可以看出，与实施例1相比剥离稳定性差。
<附图标记说明>
100：层合体
10：轻剥离离型膜
20：中剥离离型膜
30：粘合层
11：基底层
12：离型层

Claims (11)

1.一种用于测量离型膜的剥离稳定性的方法，所述方法包括以下步骤：
制备包括粘合层和附接在所述粘合层的两侧的轻剥离离型膜和中剥离离型膜的层合体；
通过在0.3m/分钟至3.0m/分钟的剥离速度下测量所述轻剥离离型膜与所述粘合层的离型强度来获得轻剥离、低速离型强度；
通过在0.3m/分钟至3.0m/分钟的剥离速度下测量所述中剥离离型膜与所述粘合层的离型强度来获得中剥离、低速离型强度；
通过在10m/分钟至30m/分钟的剥离速度下测量所述轻剥离离型膜与所述粘合层的离型强度来获得轻剥离、高速离型强度；
通过在10m/分钟至30m/分钟的剥离速度下测量所述中剥离离型膜与所述粘合层的离型强度来获得中剥离、高速离型强度；以及
在以下通式1和2的基础上测量高速离型强度平衡和低速离型强度平衡，
[通式1]
高速离型强度平衡＝中剥离、高速离型强度/轻剥离、高速离型强度
[通式2]
低速离型强度平衡＝中剥离、低速离型强度/轻剥离、低速离型强度。
2.根据权利要求1所述的方法，还包括以下步骤：
通过使用所述轻剥离、高速离型强度和所述轻剥离、低速离型强度在以下通式3的基础上测量轻剥离速度变化率；以及
通过使用所述中剥离、高速离型强度和所述中剥离、低速离型强度在以下通式4的基础上测量中剥离速度变化率，
[通式3]
轻剥离速度变化率(％)＝(轻剥离、高速离型强度-轻剥离、低速离型强度)/轻剥离、低速离型强度×100
[通式4]
中剥离速度变化率(％)＝(中剥离、高速离型强度-中剥离、低速离型强度)/中剥离、低速离型强度×100。
3.根据权利要求1所述的方法，其中所述层合体的制备包括使所述层合体在20℃至100℃下储存0.5小时至720小时的步骤。
4.根据权利要求1所述的方法，其中所述轻剥离离型膜和所述中剥离离型膜各自包括离型层和基底层的层合结构。
5.根据权利要求4所述的方法，其中所述离型层包含选自以下的至少一种：基于硅氧烷的离型剂、基于三聚氰胺的离型剂、基于聚烯烃的离型剂、基于环氧树脂的离型剂、丙烯酸类离型剂、基于氟的离型剂、基于纤维素的离型剂、基于石蜡的离型剂、基于环氧树脂-三聚氰胺的离型剂及其组合。
6.根据权利要求4所述的方法，其中所述基底层包含选自以下的至少一种：聚对苯二甲酸乙二醇酯(PET)、聚乙烯(PE)、聚乙烯醇(PVA)及其组合。
7.根据权利要求1所述的方法，其中所述粘合层包含选自以下的至少一种：丙烯酸类粘合剂、基于硅氧烷的粘合剂、基于橡胶的粘合剂及其组合。
8.一种层合体，包括：
粘合层；以及
附接在所述粘合层的两侧的轻剥离离型膜和中剥离离型膜，
其中通过根据权利要求1所述的用于测量离型膜的剥离稳定性的方法所测量的高速离型强度平衡和低速离型强度平衡均为1.5至5.0。
9.根据权利要求8所述的层合体，其中所述轻剥离离型膜的轻剥离速度变化率为100％至300％，并且
所述中剥离离型膜的中剥离速度变化率为200％至400％。
10.根据权利要求8所述的层合体，其中所述轻剥离离型膜的轻剥离、低速离型强度为10gf/50mm至50gf/50mm，并且
所述中剥离离型膜的中剥离、低速离型强度为50gf/50mm至200gf/50mm。
11.根据权利要求8所述的层合体，其中所述轻剥离离型膜的轻剥离、高速离型强度为10gf/50mm至100gf/50mm，并且
所述中剥离离型膜的中剥离、高速离型强度为50gf/50mm至200gf/50mm。
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CN114261105A (zh) * 2021-11-23 2022-04-01 航天海鹰(镇江)特种材料有限公司 一种判断钛合金与复材大曲率零件胶接质量的方法
CN114261105B (zh) * 2021-11-23 2023-10-03 航天海鹰(镇江)特种材料有限公司 一种判断钛合金与复材大曲率零件胶接质量的方法
CN117074296A (zh) * 2023-08-22 2023-11-17 派乐玛光学薄膜(东莞)有限公司 一种有机硅oca离型膜的检测方法

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