JP2022519339A - 基材間のインターリーフとして使用されるフィルム及びその製造方法 - Google Patents
基材間のインターリーフとして使用されるフィルム及びその製造方法 Download PDFInfo
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- JP2022519339A JP2022519339A JP2021537163A JP2021537163A JP2022519339A JP 2022519339 A JP2022519339 A JP 2022519339A JP 2021537163 A JP2021537163 A JP 2021537163A JP 2021537163 A JP2021537163 A JP 2021537163A JP 2022519339 A JP2022519339 A JP 2022519339A
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- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Laminated Bodies (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Buffer Packaging (AREA)
- Packaging Frangible Articles (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
Description
本出願は、内容全体が参照によって本書に援用される、2019年1月22日に出願された米国仮特許出願第62/795,172号の優先権の利益を主張するものである。
Claims (21)
- 第1の微小エンボス加工された面および第1の形成パターンを有する第1の側と、
第2の微小エンボス加工された面および第2の形成パターンを有する第2の側と、
約35gsm~約80gsmの坪量と、
低負荷厚さ試験による約150マイクロメートル~400マイクロメートルの低負荷厚さと、
サーキュラー・ベンドこわさ試験による約150グラム~約500グラムの曲げこわさと
を備える、基材間のインターリーフとして使用するためのフィルム。 - 前記第1の形成パターンと前記第2の形成パターンが互いに相補的である、請求項1に記載のフィルム。
- 前記第1の形成パターンが、機械方向に延在する複数の第1の山および複数の第1の谷を備え、
前記第1の山と前記第1の谷とが、前記機械方向に垂直な横断方向に交互に配置され、
前記第2の形成パターンが、前記機械方向に延在する複数の第2の山および複数の第2の谷を備え、
前記第2の山と前記第2の谷とが、前記横断方向に交互に配置された、
請求項2に記載のフィルム。 - 前記フィルムの前記第1の側の各第1の山が、前記フィルムの前記第2の側の第2の谷の反対側である、請求項3に記載のフィルム。
- 前記フィルムの前記第1の側が、前記横断方向に延在する複数の第3の山および複数の第3の谷を備えた第3の形成パターンをさらに備え、
前記第3の山と前記第3の谷とが前記機械方向に交互に配置され、
前記フィルムの前記第2の側が、前記横断方向に延在する複数の第4の山および複数の第4の谷を備えた第4の形成パターンをさらに備え、
前記第4の山と前記第4の谷とが前記機械方向に交互に配置された、
請求項4に記載のフィルム。 - 前記フィルムの前記第1の側の各第3の山が、前記フィルムの前記第2の側の第4の谷の反対側である、請求項5に記載のフィルム。
- 前記第1の形成パターンが、横断方向に延在する複数の第1の山および複数の第1の谷を備え、
前記第1の山と前記第1の谷とが、前記横断方向に垂直な機械方向に交互に配置され、
前記第2の形成パターンが、前記横断方向に延在する複数の第2の山および複数の第2の谷を備え、
前記第2の山と前記第2の谷とが、前記機械方向に交互に配置された、
請求項2に記載のフィルム。 - 前記フィルムの前記第1の側の各第1の山が、前記フィルムの前記第2の側の第2の谷の反対側である、請求項7に記載のフィルム。
- 前記曲げこわさが、サーキュラー・ベンドこわさ試験による約300グラム~約350グラムである、請求項1に記載のフィルム。
- 約20%~約60%の圧縮率をさらに備える、請求項1に記載のフィルム。
- 約80%~約95%の弾性をさらに備える、請求項1に記載のフィルム。
- コア層、前記コア層の一方の側の第1のスキン層、および前記コア層の反対側の第2のスキン層をさらに備える、請求項1に記載のフィルム。
- 前記第1のスキン層および/または前記第2のスキン層が発泡されている、請求項12に記載のフィルム。
- 前記コア層が発泡されている、請求項12に記載のフィルム。
- 前記フィルムがポリオレフィンを含む、請求項1に記載のフィルム。
- 前記ポリオレフィンが、ポリエチレン、高密度ポリエチレン、低密度ポリエチレン、直鎖状低密度ポリエチレン、ポリプロピレン、高結晶性ポリプロピレン、ホモポリマー・ポリプロピレン、有核ポリプロピレン、コポリマー・ポリプロピレン、またはこれらのブレンドを含む、請求項15に記載のフィルム。
- スリップ剤、造核剤、抗酸化物質安定剤、および界面活性剤からなる群から選択された少なくとも1つの添加剤をさらに含む、請求項15に記載のフィルム。
- 基材間のインターリーフとして使用するためのフィルムを製造する方法であって、
ポリオレフィンを含むポリマー・ウェブを、約0.25マイクロメートル~約20.3マイクロメートルの表面粗さRaを有する冷却ローラと、約0.25マイクロメートル~約20.3マイクロメートルの表面粗さRaを有するエンボス加工ローラとの間に形成された間隙に押し出して、一方の側に第1の微小エンボス加工された面、および前記第1の側の反対側の第2の側に第2の微小エンボス加工された面を有する微小エンボス加工されたポリマー・フィルムを形成するステップと、
前記微小エンボス加工されたポリマー・フィルムの前記第1の側と接触する雄形成ローラ、および前記微小エンボス加工されたポリマー・フィルムの前記第2の側と接触する相手側の雌形成ローラを用いて前記微小エンボス加工されたポリマー・フィルムにパターンを形成するステップと、
を含む方法。 - 前記雄形成ローラと前記雌形成ローラとが、約254マイクロメートル~約2032マイクロメートルの係合深さを有する、請求項18に記載の方法。
- 前記係合深さが約508マイクロメートル~約1778マイクロメートルである、請求項19に記載の方法。
- 前記冷却ローラおよび前記エンボス加工ローラがそれぞれ、約2.5マイクロメートル~約17.8マイクロメートルの表面粗さRaを有する、請求項18に記載の方法。
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PCT/US2020/014400 WO2020154286A1 (en) | 2019-01-22 | 2020-01-21 | Films for use as interleaves between substrates |
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