CN112111232A - 一种热塑粘合胶膜及其制备工艺 - Google Patents

一种热塑粘合胶膜及其制备工艺 Download PDF

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CN112111232A
CN112111232A CN202010908963.7A CN202010908963A CN112111232A CN 112111232 A CN112111232 A CN 112111232A CN 202010908963 A CN202010908963 A CN 202010908963A CN 112111232 A CN112111232 A CN 112111232A
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陈建
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Abstract

本发明公开了一种热塑粘合胶膜及其制备工艺，包括脱模衬垫和压敏粘合剂层，脱模衬垫的底面和/或顶面上涂覆有压敏粘合剂；脱模衬垫包括纸基材料、依次涂覆于纸基材料双面上的黏土涂层和聚硅氧烷层；还包括设置于压敏粘合剂层上的塑料底膜层。粘合胶膜在被单独冲压时其切面不会随着时间发生自粘，稳定性好，易冲压；且粘合胶膜在热和高温度的状态下冲压不自粘。脱模衬垫包括纸基材料、依次涂覆于所述纸基材料双面上的黏土涂层和聚硅氧烷层，使得脱模衬垫在清洗程序中不会因为吸水而遭受损坏。压敏粘合剂层上设置塑料底膜层，收卷存放和运输时，化学性质稳定，保证了使用性能。粘合胶膜的制备工艺，工艺步骤简单，制备效率高且设备成本低。

Description

一种热塑粘合胶膜及其制备工艺
技术领域
本发明属于印刷技术领域，具体涉及一种热塑粘合胶膜及其制备工艺。
背景技术
随着科技进步，传统的胶水已无法满足现今多样材料的粘结，且胶水中常使用如苯、甲苯、二甲苯、正己烷和挥发性有机化合物(VOC) 等大量的挥发性有机溶剂，会严重影响环境和危害人体健康。粘合胶膜用于固定软性印刷电路板及其增强版和类似物，由于粘合胶膜被单独冲压时，其切面不会发生自粘现象，粘合胶膜与软性印刷电路板或其增强版等粘结后再被冲压，则不会损坏软性印刷电路板或增强版的切面。
但是当传统的粘合胶膜在热和高温度的状态下冲压，冲压后的切面会发生自粘现象，这样使用性能恶化了，最坏的情况，在分离冲压物品步骤中压敏粘合剂就脱落了。另一方面，现有的粘合胶膜通常采用卷收的方式进行存放，但是在温度较高的季节和地区，受温度会使紧挨的粘合胶膜之间发生一些化学性质变化，影响其使用性能，在保管和运输方面增加了成本，不适合大范围推广。
发明内容
本发明提供了一种热塑粘合胶膜及其制备工艺，解决了粘合胶膜在热和高温度的状态下冲压自粘的技术问题。
为了解决上述技术问题，本发明所采用的技术方案是：
一方面，提供了一种热塑粘合胶膜，包括脱模衬垫和压敏粘合剂层，所述脱模衬垫的底面和/或顶面上涂覆有压敏粘合剂；所述脱模衬垫包括纸基材料、依次涂覆于所述纸基材料双面上的黏土涂层和聚硅氧烷层；还包括设置于压敏粘合剂层上的塑料底膜层。
进一步地，所述压敏粘合剂包括0.1 重量％~60 重量％的乙烯- 醋酸乙烯酯共聚物、乙烯- 丙烯酸乙酯共聚物或其组合。
另一方面，提供了一种热塑粘合胶膜的制备工艺，包括以下步骤：
S1、将纸基材料的双面上均涂覆黏土涂层，再在黏土涂层上涂覆聚硅氧烷层，得到脱模衬垫；
S2、准备压敏粘合剂，在步骤S1所制备的脱模衬垫的底面和/或顶面上均匀涂覆压敏粘合剂；
S3、待压敏粘合剂涂覆完成后，在压敏粘合剂层上铺设塑料底膜；
S4、将设有塑料底膜的面朝外进行卷收、封装。
进一步地，所述脱模衬垫的厚度为0.1~0.2mm。
进一步地，所述压敏粘合剂的涂覆厚度为0.2~0.4mm。
进一步地，所述脱模衬垫的底面和顶面上涂覆压敏粘合剂，则底面涂覆压敏粘合剂的厚度与顶面涂覆压敏粘合剂的厚度相同。
进一步地，所述压敏粘合剂包括0.1 重量％~60 重量％的乙烯- 醋酸乙烯酯共聚物、乙烯- 丙烯酸乙酯共聚物或其组合。
进一步地，所述黏土涂层、所述聚硅氧烷层和所述压敏粘合剂的涂覆均通过机械喷涂。
本发明所达到的有益效果：本发明提供的粘合胶膜，在被单独冲压时其切面不会随着时间发生自粘，稳定性好，易冲压；且粘合胶膜在热和高温度的状态下冲压不自粘。脱模衬垫包括纸基材料、依次涂覆于所述纸基材料双面上的黏土涂层和聚硅氧烷层，使得脱模衬垫在清洗程序中不会因为吸水而遭受损坏。压敏粘合剂层上设置塑料底膜层，收卷存放和运输时，化学性质稳定，保证了使用性能。本发明提供的粘合胶膜制备工艺，工艺步骤简单，制备效率高且设备成本低。
附图说明
图1为本发明实施例中粘合胶膜的剖视图。
图中：1-纸基材料；2-黏土涂层；3-聚硅氧烷层；4-压敏粘合剂层；5-塑料底膜。
具体实施方式
下面对本发明作进一步描述。以下实施例仅用于更加清楚地说明本发明的技术方案，而不能以此来限制本发明的保护范围。
如图1所示，一种热塑粘合胶膜，包括脱模衬垫和压敏粘合剂层，所述脱模衬垫的底面和/或顶面上涂覆有压敏粘合剂；所述脱模衬垫包括纸基材料、依次涂覆于所述纸基材料双面上的黏土涂层和聚硅氧烷层；还包括设置于压敏粘合剂层上的塑料底膜层。
压敏粘合剂包括0.1 重量％~60 重量％的乙烯- 醋酸乙烯酯共聚物、乙烯- 丙烯酸乙酯共聚物或其组合。
本发明提供的粘合胶膜，在被单独冲压时其切面不会随着时间发生自粘，稳定性好，易冲压；且粘合胶膜在热和高温度的状态下冲压不自粘。脱模衬垫包括纸基材料、依次涂覆于所述纸基材料双面上的黏土涂层和聚硅氧烷层，使得脱模衬垫在清洗程序中不会因为吸水而遭受损坏。压敏粘合剂层上设置塑料底膜层，收卷存放和运输时，化学性质稳定，保证了使用性能。
实施例1、
本发明实施例提供了一种热塑粘合胶膜的制备工艺，包括以下步骤：
S1、将纸基材料的双面上均涂覆黏土涂层，再在黏土涂层上涂覆聚硅氧烷层，得到脱模衬垫。本实施例中，脱模衬垫的厚度为0.1mm。
S2、准备压敏粘合剂，在步骤S1所制备的脱模衬垫的底面和顶面上均匀涂覆压敏粘合剂，压敏粘合剂通过机械喷涂装置进行涂覆，且脱模衬垫底面涂覆压敏粘合剂的厚度与脱模衬垫顶面涂覆压敏粘合剂的厚度相同。本实施例中，压敏粘合剂包括30重量％的乙烯-醋酸乙烯酯共聚物；压敏粘合剂的总的涂覆厚度为0.4mm。
S3、待压敏粘合剂涂覆完成后，在压敏粘合剂层上铺设塑料底膜。
S4、将设有塑料底膜的面朝外进行卷收、封装。
实施例2、
本发明实施例提供了一种热塑粘合胶膜的制备工艺，包括以下步骤：
S1、将纸基材料的双面上均涂覆黏土涂层，再在黏土涂层上涂覆聚硅氧烷层，得到脱模衬垫。本实施例中，脱模衬垫的厚度为0.2mm。
S2、准备压敏粘合剂，在步骤S1所制备的脱模衬垫的顶面上均匀涂覆压敏粘合剂，压敏粘合剂通过机械喷涂装置进行涂覆。本实施例中，压敏粘合剂包括60重量％的乙烯-丙烯酸乙酯共聚物；压敏粘合剂的总的涂覆厚度为0.2mm。
S3、待压敏粘合剂涂覆完成后，在压敏粘合剂层上铺设塑料底膜。
S4、将设有塑料底膜的面朝外进行卷收、封装。
实施例3、
本发明实施例提供了一种热塑粘合胶膜的制备工艺，包括以下步骤：
S1、将纸基材料的双面上均涂覆黏土涂层，再在黏土涂层上涂覆聚硅氧烷层，得到脱模衬垫。本实施例中，脱模衬垫的厚度为0.1mm。
S2、准备压敏粘合剂，在步骤S1所制备的脱模衬垫的底面和顶面上均匀涂覆压敏粘合剂，压敏粘合剂通过机械喷涂装置进行涂覆，且脱模衬垫底面涂覆压敏粘合剂的厚度与脱模衬垫顶面涂覆压敏粘合剂的厚度相同。
本实施例中，压敏粘合剂的总的涂覆厚度为0.4mm。压敏粘合剂包括15重量％的乙烯-醋酸乙烯酯共聚物和15重量％乙烯-丙烯酸乙酯共聚物；约30 重量％的部分皂化的乙烯- 醋酸乙烯酯共聚物；10重量％的完全皂化的乙烯- 醋酸乙烯酯共聚物；30％重量％的树脂。
S3、待压敏粘合剂涂覆完成后，在压敏粘合剂层上铺设塑料底膜。
S4、将设有塑料底膜的面朝外进行卷收、封装。
以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明技术原理的前提下，还可以做出若干改进和变形，这些改进和变形也应视为本发明的保护范围。

Claims (8)

1.一种热塑粘合胶膜，其特征在于，包括脱模衬垫和压敏粘合剂层，所述脱模衬垫的底面和/或顶面上涂覆有压敏粘合剂；所述脱模衬垫包括纸基材料、依次涂覆于所述纸基材料双面上的黏土涂层和聚硅氧烷层；还包括设置于压敏粘合剂层上的塑料底膜层。
2.根据权利要求1所述的一种热塑粘合胶膜，其特征在于，所述压敏粘合剂包括0.1 重量％~60 重量％的乙烯- 醋酸乙烯酯共聚物、乙烯- 丙烯酸乙酯共聚物或其组合。
3.一种热塑粘合胶膜的制备工艺，其特征在于，包括以下步骤：
S1、将纸基材料的双面上均涂覆黏土涂层，再在黏土涂层上涂覆聚硅氧烷层，得到脱模衬垫；
S2、准备压敏粘合剂，在步骤S1所制备的脱模衬垫的底面和/或顶面上均匀涂覆压敏粘合剂；
S3、待压敏粘合剂涂覆完成后，在压敏粘合剂层上铺设塑料底膜；
S4、将设有塑料底膜的面朝外进行卷收、封装。
4.根据权利要求3所述的一种热塑粘合胶膜的制备工艺，其特征在于，所述脱模衬垫的厚度为0.1~0.2mm。
5.根据权利要求3所述的一种热塑粘合胶膜的制备工艺，其特征在于，所述压敏粘合剂的涂覆厚度为0.2~0.4mm。
6.根据权利要求5所述的一种热塑粘合胶膜的制备工艺，其特征在于，所述脱模衬垫的底面和顶面上涂覆压敏粘合剂，则底面涂覆压敏粘合剂的厚度与顶面涂覆压敏粘合剂的厚度相同。
7.根据权利要求3所述的一种热塑粘合胶膜的制备工艺，其特征在于，所述压敏粘合剂包括0.1 重量％~60 重量％的乙烯- 醋酸乙烯酯共聚物、乙烯- 丙烯酸乙酯共聚物或其组合。
8.根据权利要求3所述的一种热塑粘合胶膜的制备工艺，其特征在于，所述黏土涂层、所述聚硅氧烷层和所述压敏粘合剂的涂覆均通过机械喷涂。
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113999626A (zh) * 2021-11-02 2022-02-01 芜湖徽氏新材料科技有限公司 一种锂离子电池用高剪切胶带

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Publication number Priority date Publication date Assignee Title
CN1282770A (zh) * 1999-07-29 2001-02-07 日东电工株式会社 粘合胶膜
CN111218223A (zh) * 2020-01-03 2020-06-02 深圳市光羿科技有限公司 一种柔性电子器件中间层及其制备工艺

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1282770A (zh) * 1999-07-29 2001-02-07 日东电工株式会社 粘合胶膜
CN111218223A (zh) * 2020-01-03 2020-06-02 深圳市光羿科技有限公司 一种柔性电子器件中间层及其制备工艺

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113999626A (zh) * 2021-11-02 2022-02-01 芜湖徽氏新材料科技有限公司 一种锂离子电池用高剪切胶带

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