TW201616118A - 離型膜剝離穩定性的測定方法及離型膜層疊體 - Google Patents

離型膜剝離穩定性的測定方法及離型膜層疊體 Download PDF

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TW201616118A
TW201616118A TW104135352A TW104135352A TW201616118A TW 201616118 A TW201616118 A TW 201616118A TW 104135352 A TW104135352 A TW 104135352A TW 104135352 A TW104135352 A TW 104135352A TW 201616118 A TW201616118 A TW 201616118A
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release
speed
peeling
light
heavy
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TW104135352A
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TWI652466B (zh
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朴埈瑩
金章淳
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樂金華奧斯有限公司
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Abstract

本發明提供離型膜剝離穩定性的測定方法，上述測定方法包括：準備粘結層及在上述粘結層的兩面附著有輕剝離離型膜及重剝離離型膜的層疊體的步驟；在不同的剝離速度條件下，測定上述輕剝離離型膜和上述粘結層的離型力，來分別匯出輕剝離低速離型力、重剝離低速離型力、輕剝離高速離型力以及重剝離高速離型力的步驟；以及根據通式來測定高速離型力平衡值及低速離型力平衡值的步驟；本發明還提供層疊體，上述層疊體包括：粘結層；以及輕剝離離型膜及重剝離離型膜，形成於上述粘結層的兩面，通過上述測定方法來測定的高速及低速離型力平衡值。

Description

離型膜剝離穩定性的測定方法及離型膜層疊體
本發明涉及離型膜剝離穩定性的測定方法及離型膜層疊體。
離型膜作為使產品的處理及運輸變得容易且可易於分離的薄膜，利用為多種用途。例如，這種離型膜可用作黏結膜的承載膜。此時，當使用多個離型膜的情況下，根據各個離型力的差異，有可能產生黏結劑翹起現象或黏結劑轉移至離型膜的問題。因此，當前，需要驗證方法用來篩選離型膜，上述離型膜作為黏結膜的載體用途，使多個離型膜之間的離型力均衡，從而防止產生黏結劑翹起現象，且具有剝離穩定性。
發明所欲解決之問題
本發明的一實例提供可靠度及準確性高的離型膜剝離穩定性的測定方法。
本發明的另一實例提供層疊體，上述層疊體包括透過上述離型膜剝離穩定性的測定方法來測定的剝離穩定性優秀的離型膜。
解決問題之技術手段
本發明的一實例提供離型膜剝離穩定性的測定方法，上述離型膜剝離穩定性的測定方法包括：準備黏結層及在上述黏結層的兩面附著有輕剝離離型膜及重剝離離型膜的層疊體的步驟；在剝離速度為約0.3至約3.0m/min的條件下，測定上述輕剝離離型膜和上述黏結層的離型力，來匯出輕剝離低速離型力的步驟；在剝離速度為約0.3至約3.0m/min的條件下，測定上述重剝離離型膜和上述黏結層的離型力，來匯出重剝離低速離型力的步驟；在剝離速度為約10至約30m/min的條件下，測定上述輕剝離離型膜和上述黏結層的離型力，來匯出輕剝離高速離型力的步驟；在剝離速度為約10至約30m/min的條件下，測定上述重剝離離型膜和上述黏結層的離型力，來匯出重剝離高速離型力的步驟；以及根據以下通式1及通式2來測定高速離型力平衡值及低速離型力平衡值的步驟。
通式1
高速離型力平衡值＝重剝離高速離型力/輕剝離高速離型力。
通式2
低速離型力平衡值＝重剝離低速離型力/輕剝離低速離型力。
上述離型膜剝離穩定性的測定方法還可包括：根據以下通式3，利用上述輕剝離高速離型力及上述輕剝離低速離型力來測定輕剝離速度變化率的步驟；以及根據以下通式4，利用上述重剝離高速離型力及上述重剝離低速離型力來測定重剝離速度變化率的步驟。
通式3
輕剝離速度變化率（％）＝（輕剝離高速離型力－輕剝離低速離型力）/輕剝離低速離型力×100。
通式4
重剝離速度變化率（％）＝（重剝離高速離型力－重剝離低速離型力）/重剝離低速離型力×100。
準備上述層疊體的步驟可包括如下步驟：在約20至約100℃溫度下，將上述層疊體保管約0.5至約720小時。
上述輕剝離離型膜及上述重剝離離型膜分別可包括離型層及基材層的層疊結構。
上述離型層可包含選自由矽（silicone）類離型劑、三聚氰胺（melamine）類離型劑、聚烯烴（polyolefin）類離型劑、環氧（epoxy）類離型劑、丙烯酸（acrylic）類離型劑、氟（fluorine）類離型劑、纖維素（cellulose）類離型劑、石蠟（paraffin）類離型劑、環氧-三聚氰胺（epoxy-melamine）類離型劑及它們的組合組成的群組中的至少一種。
上述基材層可包含選自由聚對苯二甲酸乙二醇酯（PET，polyethylene terephthalate）、聚乙烯（PE，polyethylene）、聚乙烯醇（PVA，polyvinyl alcohol）及它們的組合組成的群組中的至少一種。
上述黏結層可包含選自由丙烯酸類黏結劑、矽類黏結劑、橡膠類黏結劑及它們的組合組成的群組中的至少一種。
本發明的另一實例提供層疊體，上述層疊體包括：黏結層；以及輕剝離離型膜及重剝離離型膜，形成於上述黏結層的兩面，透過請求項1之離型膜剝離穩定性的測定方法來測定的高速離型力平衡值及低速離型力平衡值均為約1.5至約5.0。
在上述層疊體中，上述輕剝離離型膜的輕剝離速度變化率可以為約100％至約300％，上述重剝離離型膜的重剝離速度變化率可以為約200％至約400％。
在上述層疊體中，上述輕剝離離型膜的輕剝離低速離型力可以為約10至約50gf/50mm，上述重剝離離型膜的重剝離低速離型力可以為約50至約200gf/50mm。
在上述層疊體中，上述輕剝離離型膜的輕剝離高速離型力可以為約10至約100gf/50mm，上述重剝離離型膜的重剝離高速離型力可以為約50至約200gf/50mm。
對照先前技術之功效
透過上述離型膜剝離穩定性的測定方法，來判斷多個離型膜之間的剝離穩定性是否優秀時，可確保有效性，且可取得可靠度及準確性高的結果。
透過上述離型膜剝離穩定性的測定方法，來測定的包含剝離穩定性優秀的離型膜的層疊體作為黏結膜的載體用途具有適當的物性，當將上述黏結膜適用于目的物品時，可降低不合格率。
參照後述的多個實施例，明確本發明的優點及特徵以及達成這些優點及特徵的方法。然而，本發明並不限定於以下公開的多個實施例，而以互相不同的多種形態來體現，本實施例僅使本發明的公開內容完整，用於使本發明所屬技術領域的普通技術人員完整地理解發明的範疇，本發明僅由發明要求保護範圍來定義。在說明書全文中，相同的附圖標記表示相同的結構要素。
離型膜剝離穩定性的測定方法
本發明的一實例提供離型膜剝離穩定性的測定方法，上述離型膜剝離穩定性的測定方法包括：準備黏結層及在上述黏結層的兩面附著有輕剝離離型膜及重剝離離型膜的層疊體的步驟；在剝離速度為約0.3至約3.0m/min的條件下，測定上述輕剝離離型膜和上述黏結層的離型力，來匯出輕剝離低速離型力的步驟；在剝離速度為約0.3至約3.0m/min的條件下，測定上述重剝離離型膜和上述黏結層的離型力，來匯出重剝離低速離型力的步驟；在剝離速度為約10至約30m/min的條件下，測定上述輕剝離離型膜和上述黏結層的離型力，來匯出輕剝離高速離型力的步驟；在剝離速度為約10至約30m/min的條件下，測定上述重剝離離型膜和上述黏結層的離型力，來匯出重剝離高速離型力的步驟；以及根據以下通式1及通式2來測定高速離型力平衡值及低速離型力平衡值的步驟。
通式1
高速離型力平衡值＝重剝離高速離型力/輕剝離高速離型力。
通式2
低速離型力平衡值＝重剝離低速離型力/輕剝離低速離型力。
通常，離型膜以黏結膜的黏結層載體用途使用，在黏結層的兩面，附著離型力互相不同的兩個離型膜來進行流通及運輸。此時，兩個離型膜滿足適當的離型力平衡性才可防止黏結層的翹起現象。
為了判斷這種多個離型膜是否對一個黏結層滿足適當的離型力平衡性，在上述離型膜剝離穩定性的測定方法中，準備黏結層及在上述黏結層的兩面附著有輕剝離離型膜及重剝離離型膜的層疊體，從而可測定上述層疊體的剝離穩定性。
圖1簡要示出上述層疊體100的截面。上述層疊體100為依次層疊輕剝離離型膜10、黏結層30及重剝離離型膜20的結構，對於上述黏結層30，上述輕剝離離型膜10及上述重剝離離型膜20具有不同的離型力。
具體地，與上述重剝離離型膜20相比，上述輕剝離離型膜10對上述黏結層30的離型力低，當兩個離型膜具有適當的離型力平衡值（balance）時，呈現優秀的剝離穩定性。
上述離型膜剝離穩定性的測定方法可包括相對於上述輕剝離離型膜及上述重剝離離型膜匯出低速離型力的步驟。
具體地，上述離型膜剝離穩定性的測定方法可包括：在剝離速度為約0.3至約3.0m/min的條件下，測定上述輕剝離離型膜和上述黏結層的離型力，來匯出輕剝離低速離型力的步驟；以及在剝離速度為約0.3至約3.0m/min的條件下，測定上述重剝離離型膜和上述黏結層的離型力，來匯出重剝離低速離型力的步驟。
上述輕剝離離型膜及重剝離離型膜的低速離型力可分別在剝離速度為約0.3至約3.0m/min的條件下測定，具體地，可在剝離速度為約0.3至約1.0m/min的條件下測定。在上述速度範圍的剝離速度中測定各個離型膜的低速剝離力，從而當實質性地被產品化時，可取得確保離型膜的剝離穩定性的可靠性及準確性的結果。
並且，上述離型膜剝離穩定性的測定方法可包括相對於上述輕剝離離型膜及上述重剝離離型膜匯出高速離型力的步驟。
具體地，上述離型膜剝離穩定性的測定方法可包括：在剝離速度為約10至約30m/min的條件下，測定上述輕剝離離型膜和上述黏結層的離型力，來匯出輕剝離高速離型力的步驟；以及在剝離速度為約10至約30m/min的條件下，測定上述重剝離離型膜和上述黏結層的離型力，來匯出重剝離高速離型力的步驟。
上述輕剝離離型膜及重剝離離型膜的高速離型力可分別在剝離速度為約10至約30m/min的條件下測定，具體地，可在剝離速度為約20至約30m/min的條件下測定。在上述速度範圍的剝離速度中測定各個離型膜的高速離型力，從而當實質性地被產品化時，可取得確保離型膜的剝離穩定性的可靠性及準確性的結果。
上述離型膜剝離穩定性的測定方法可包括：相對於各個離型膜均匯出低速離型力及高速離型力的步驟；以及根據上述通式1及通式2來均測定高速離型力平衡值及低速離型力平衡值的步驟。
在上述離型膜剝離穩定性的測定方法中，均測定高速離型力平衡值及低速離型力平衡值，從而在適用及使用於實際產品的情況下，可實質性地確保可靠性及準確性高的結果。
上述離型膜剝離穩定性的測定方法還可包括：根據以下通式3，利用上述輕剝離高速離型力及上述輕剝離低速離型力來測定輕剝離速度變化率的步驟；以及根據以下通式4，利用上述重剝離高速離型力及上述重剝離低速離型力來測定重剝離速度變化率的步驟。
通式3
輕剝離速度變化率（％）＝（輕剝離高速離型力－輕剝離低速離型力）/輕剝離低速離型力×100。
通式4
重剝離速度變化率（％）＝（重剝離高速離型力－重剝離低速離型力）/重剝離低速離型力×100。
上述離型膜剝離穩定性的測定方法還包括根據上述通式3及通式4來測定速度變化率的步驟，從而可取得上述輕剝離離型膜及上述重剝離離型膜的離型力平衡值的更詳細、準確的資訊，可確保離型膜剝離穩定性的更可靠、更準確的結果，在這一點上是可有利的。
在上述離型膜剝離穩定性的測定方法中，準備上述層疊體的步驟可包括如下步驟：在約20℃至約100℃溫度下，將上述層疊體保管約0.5至約720小時。在上述條件下保管上述層疊體，從而提高低速離型力及高速離型力測定結果的可靠性，在這一點上是可有利的。
圖2簡要示出上述輕剝離離型膜10的截面。
若參照圖1及圖2，則上述輕剝離離型膜10可包括基材層11、離型層12的層疊結構。此時，上述層疊體100可在上述黏結層30的一面附著上述輕剝離離型膜的離型層12而成。
具體地，上述離型層12可包含選自由矽類離型劑、三聚氰胺類離型劑、聚烯烴類離型劑、環氧類離型劑、丙烯酸類離型劑、氟類離型劑、纖維素類離型劑、石蠟類離型劑、環氧-三聚氰胺類離型劑及它們的組合組成的群組中的至少一種。
上述重剝離離型膜20可具有與上述輕剝離離型膜10相同的層疊結構。即，上述重剝離離型膜20也可包括基材層及離型層的層疊結構，此時，在上述層疊體100的一面可附著有上述輕剝離離型膜的離型層12，且上述層疊體100的另一面可附著有上述重剝離離型膜的離型層。
例如，上述輕剝離離型膜的離型層、上述重剝離離型膜的離型層可分別包含矽類離型劑。此時，可有利於使根據上述離型膜剝離穩定性的測定方法來取得的結果確保高的可靠性及準確性。
並且，上述輕剝離離型膜的基材層及上述重剝離離型膜的基材層可分別包含選自由紙、無紡布、聚對苯二甲酸乙二醇酯（PET）、聚乙烯（PE）、聚乙烯醇（PVA）及它們的組合組成的群組中的至少一種。例如，上述輕剝離離型膜的基材層及上述重剝離離型膜的基材層可包含聚對苯二甲酸乙二醇酯（PET）或聚乙烯（PE），此時，具有優秀的耐熱性，透過上述離型膜剝離穩定性的測定方法可取得準確性及可靠性高的結果。
具體地，可利用上述離型膜來運輸或流通的黏結層可包含選自由丙烯酸類黏結劑、矽類黏結劑、橡膠類黏結劑及它們的組合組成的群組中的至少一種，但不限定於此。
例如，上述黏結層可包含丙烯酸類黏結劑，此時，可透過上述離型膜剝離穩定性的測定方法來匯出剝離穩定性的準確的結果，在這一點上可有利。
層疊體
本發明的另一實例提供層疊體，上述層疊體包括：黏結層；以及輕剝離離型膜及重剝離離型膜，形成於上述黏結層的兩面，透過上述離型膜剝離穩定性的測定方法來測定的高速離型力平衡值及低速離型力平衡值均為約1.5至約5.0。
上述高速離型力平衡值及低速離型力平衡值可均為約1.5至約5.0，具體地，可以為約1.7至約3.0。當上述高速離型力平衡值及低速離型力平衡值滿足上述範圍的情況下，上述層疊體的離型膜可實現優秀的剝離穩定性，當只去除上述輕剝離離型膜時，上述黏結層不與重剝離離型膜剝離，可防止黏結層翹起或黏結劑轉移至離型膜的問題。
並且，上述輕剝離離型膜的輕剝離速度變化率可以為約300％以下，例如，可以為約100％至約300％。並且，上述重剝離離型膜的重剝離速度變化率可以為200％以上，例如，可以為約200％至400％。上述輕剝離速度變化率及上述重剝離速度變化率可利用上述通式3及通式4來匯出。
上述輕剝離離型膜及重剝離離型膜滿足上述範圍的高速離型力平衡值及低速離型力平衡值，並呈現上述範圍的輕剝離速度變化率及上述範圍的重剝離速度變化率，從而上述層疊體的離型膜可在無黏結層的翹起現象或轉移現象的情況下確保優秀的剝離穩定性。
具體地，上述輕剝離離型膜的輕剝離低速離型力可以為約10至約50gf/50mm，上述重剝離離型膜的重剝離低速離型力可以為約50至約200gf/50mm。即，對於上述輕剝離離型膜及重剝離離型膜，在剝離速度為約0.3至約3.0m/min的條件下測定的離型力可分別滿足上述範圍。上述輕剝離低速離型力及上述重剝離低速離型力滿足上述範圍，可防止上述輕剝離離型膜自行剝離的問題，並容易借助規定力易於剝離，當只剝離上述輕剝離離型膜時，上述重剝離離型膜緊固地結合於黏結層，從而可防止黏結層的翹起現象的問題。
並且，上述輕剝離離型膜的輕剝離高速離型力可以為約10至約100gf/50mm，上述重剝離離型膜的重剝離高速離型力可以為約50至約200gf/50mm。即，相對於上述輕剝離離型膜及重剝離離型膜，在剝離速度為約10至約30m/min的條件下測定的離型力可分別滿足上述範圍。上述輕剝離高速離型力及上述重剝離高速離型力滿足上述範圍，從而防止上述輕剝離離型膜自行剝離的問題，並借助規定力易於剝離，當只剝離上述輕剝離離型膜時，上述重剝離離型膜緊固地結合於黏結層，從而可防止黏結層的翹起現象的問題。
以下提出本發明的多個具體實施例。然而，以下記載的多個實施例僅用於具體地例示或說明本發明，本發明並不局限於此。
實施例 1
準備了丙烯酸類黏結層及在上述丙烯酸類黏結層的兩面附著有輕剝離離型膜及重剝離離型膜的層疊體。上述輕剝離離型膜及重剝離離型膜的各個離型層及基材層的成分及含量如下清單1中所記載。其次，相對於上述輕剝離離型膜及重剝離離型膜，在剝離速度為0.3m/min的條件下測定離型力，來測定了輕剝離低速離型力A及重剝離低速離型力B。其次，相對於相同的層疊體，在剝離速度為30m/min的條件下測定離型力，來測定了輕剝離高速離型力C、重剝離高速離型力D。其次，計算B/A及D/C的值，來測定了低速離型力平衡值及高速離型力平衡值。並且，利用公式（C-A）/A×100來測定了輕剝離速度變化率（％），利用公式（D-B）/B×100來測定了重剝離速度變化率（％）。其結果如下清單3中所記載。
表1
實施例 2
上述輕剝離離型膜及重剝離離型膜的各個離型層及基材層的成分及含量如下清單2中所記載，除此之外，利用與上述實施例1相同的方法來測定了低速離型力平衡值、高速離型力平衡值、輕剝離速度變化率及重剝離速度變化率。其結果如下清單3中所記載。
表2
透過上述實施例1及實施例2的離型膜剝離穩定性的測定方法來測定的低速離型力平衡值、高速離型力平衡值、輕剝離速度變化率及重剝離速度變化率如下清單3中所記載。
表3
實施例1及實施例2為透過上述離型膜剝離穩定性的測定方法來測定剝離穩定性而得的，若參照表3的結果，則在上述實施例1中，低速離型力平衡值及高速離型力平衡值均滿足1.5至5.0的範圍，因此可知呈現出優秀的剝離穩定性。
相反，實施例2為透過上述離型膜剝離穩定性的測定方法來測定剝離穩定性的結果，低速離型力平衡值滿足1.5至5.0的範圍，而高速離型力平衡值值為1.0，兩者都不能滿足1.5至5.0的範圍，可知剝離穩定性不好。
並且，在上述實施例1中，輕剝離速度變化率為300％以下，重剝離速度變化率為200％以上，滿足上述範圍的高速離型力平衡值及低速離型力平衡值，並呈現出上述範圍的輕剝離速度變化率及上述範圍的重剝離速度變化率，從而可知上述層疊體的離型膜在無黏結層的翹起現象或轉移現象的情況下確保優秀的剝離穩定性。
相反，在上述實施例2中，輕剝離速度變化率為300％以下，重剝離速度變化率小於200％，可知與上述實施例1相比，剝離穩定性不好。
100‧‧‧層疊體
10‧‧‧輕剝離離型膜
20‧‧‧重剝離離型膜
30‧‧‧黏結層
11‧‧‧基材層
12‧‧‧離型層
圖1簡要示出本發明一實例的層疊體的截面。 圖2簡要示出輕剝離離型膜的截面。
100‧‧‧層疊體
10‧‧‧輕剝離離型膜
20‧‧‧重剝離離型膜
30‧‧‧黏結層
11‧‧‧基材層
12‧‧‧離型層

Claims (11)

  1. 一種離型膜剝離穩定性的測定方法，其中， 包括： 準備黏結層及在該黏結層的兩面附著有輕剝離離型膜及重剝離離型膜的層疊體的步驟； 在剝離速度為0.3至3.0m/min的條件下，測定該輕剝離離型膜和該黏結層的離型力，來匯出輕剝離低速離型力的步驟； 在剝離速度為0.3至3.0m/min的條件下，測定該重剝離離型膜和該黏結層的離型力，來匯出重剝離低速離型力的步驟； 在剝離速度為10至30m/min的條件下，測定該輕剝離離型膜和該黏結層的離型力，來匯出輕剝離高速離型力的步驟； 在剝離速度為10至30m/min的條件下，測定該重剝離離型膜和該黏結層的離型力，來匯出重剝離高速離型力的步驟；以及 根據以下通式1及通式2來測定高速離型力平衡值及低速離型力平衡值的步驟， 通式1 高速離型力平衡值＝重剝離高速離型力/輕剝離高速離型力。 通式2 低速離型力平衡＝重剝離低速離型力/輕剝離低速離型力。
  2. 如請求項1所述之離型膜剝離穩定性的測定方法，其中， 還包括： 根據以下通式3，利用該輕剝離高速離型力及該輕剝離低速離型力來測定輕剝離速度變化率的步驟；以及 根據以下通式4，利用該重剝離高速離型力及該重剝離低速離型力來測定重剝離速度變化率的步驟， 通式3 輕剝離速度變化率（％）＝（輕剝離高速離型力－輕剝離低速離型力）/輕剝離低速離型力×100。 通式4 重剝離速度變化率（％）＝（重剝離高速離型力－重剝離低速離型力）/重剝離低速離型力×100。
  3. 如請求項1所述之離型膜剝離穩定性的測定方法，其中，準備該層疊體的步驟包括如下步驟：在20至100℃溫度下，將該層疊體保管0.5至720小時。
  4. 如請求項1之離型膜剝離穩定性的測定方法，其中，該輕剝離離型膜及該重剝離離型膜分別包括離型層及基材層的層疊結構。
  5. 如請求項4之離型膜剝離穩定性的測定方法，其中，該離型層包含選自由矽（silicone）類離型劑、三聚氰胺（melamine）類離型劑、聚烯烴（polyolefin）類離型劑、環氧（epoxy）類離型劑、丙烯酸（acrylic）類離型劑、氟（fluorine）類離型劑、纖維素（cellulose）類離型劑、石蠟（paraffin）類離型劑、環氧-三聚氰胺（epoxy-melamine）類離型劑及它們的組合組成的群組中的至少一種。
  6. 如請求項4所述之離型膜剝離穩定性的測定方法，其中，該基材層包含選自由聚對苯二甲酸乙二醇酯（PET，polyethylene terephthalate）、聚乙烯（PE，polyethylene）、聚乙烯醇（PVA，polyvinyl alcohol）及它們的組合組成的群組中的至少一種。
  7. 如請求項1所述之離型膜剝離穩定性的測定方法，其中，該黏結層包含選自由丙烯酸類黏結劑、矽類黏結劑、橡膠類黏結劑及它們的組合組成的群組中的至少一種。
  8. 一種層疊體，其中， 包括： 黏結層；以及 輕剝離離型膜及重剝離離型膜，形成於該黏結層的兩面， 透過請求項1之離型膜剝離穩定性的測定方法來測定的高速離型力平衡值及低速離型力平衡值均為1.5至5.0。
  9. 如請求項8所述之層疊體，其中， 該輕剝離離型膜的輕剝離速度變化率為100％至300％， 該重剝離離型膜的重剝離速度變化率為200％至400％。
  10. 如請求項8所述之層疊體，其中， 該輕剝離離型膜的輕剝離低速離型力為10至50gf/50mm， 該重剝離離型膜的重剝離低速離型力為50至200gf/50mm。
  11. 如請求項8所述之層疊體，其中， 該輕剝離離型膜的輕剝離高速離型力為10至100gf/50mm， 該重剝離離型膜的重剝離高速離型力為50至200gf/50mm。
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