JPWO2018079441A1 - フィルム積層体の製造方法 - Google Patents
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Abstract
Description
1つの実施形態においては、上記脆性フィルムの厚みが、20μm〜300μmである。
1つの実施形態においては、上記第1のロールと第2のロールとの間で構成される上記脆性フィルムと上記靭性フィルムとの積層構造体にかかるニップ圧が0.01MPa〜0.5MPaである。
1つの実施形態においては、上記靭性フィルムの幅が、上記脆性フィルムの幅に対して、1%〜110%である。
1つの実施形態においては、上記靭性フィルムの脆性フィルムに対する接着力が、0.005N/25mm〜10N/25mmである。
1つの実施形態においては、上記フィルム積層体の製造方法は、上記長尺状の靭性フィルムを送り出し、該靭性フィルムと上記脆性フィルムとを貼り合せる前に、該靭性フィルムおよび/または該脆性フィルム上に接着剤を塗布することを含む。
1つの実施形態においては、上記靭性フィルムが接着層付き靭性フィルムとして、前記フィルム積層体の製造方法に供され、長尺状の該靭性フィルムを送り出し、該靭性フィルム上に接着剤を塗布して接着層付き靭性フィルムを形成し、その後、該接着層付き靭性フィルムを巻き取らず、連続的に、靭性フィルムと脆性フィルムとの貼り合せを行う。
長尺状のガラスフィルム(厚み:50μm、幅:500mm、破壊靭性値:0.7MPa/m1/2)を、水平方向に搬送させながら、第1のロール(ウレタンゴム製、アスカーC硬度:10、直径:75mm)と第2のロール(ステンレス製、直径:75mm)との間で、該ガラスフィルムと靭性フィルムとを貼り合せた。
なお、靭性フィルムは、PET基材(厚み:100μm、幅25mm、破壊靭性値:3MPa/m1/2)と接着層(厚み:5μm)とから構成される。接着層はガラスフィルムと靭性フィルムとを接触させる直前に、PET基材にエポキシ系接着剤を塗布して形成した。また、ロールギャップは150μmとし、ニップ圧は0.1MPaとした。
また、ガラスフィルムは、曲率半径Rが3mmのうねりを有して搬送させた。
ガラスフィルムの厚み、第1のロールのアスカー硬度、ロールギャップおよびガラスフィルム搬送時のうねりの曲率半径Rを表1に示す条件としたこと以外は、実施例1と同様にして、ガラスフィルムと靭性フィルムとを貼り合せた。
実施例および比較例において、ガラスフィルムと靭性フィルムとを貼り合せる際に、ガラスフィルムが破損するか否かを確認した。
表1中、500m以上ガラスフィルムの破損なく、ガラスフィルムと靭性フィルムとを連続的に貼り合せることが可能であった場合を○、搬送長さ500m未満でガラスフィルムに破損が生じた場合を×とする。
20 靭性フィルム
Claims (7)
- 長尺状の脆性フィルムを搬送させながら、該脆性フィルムに長尺状の靭性フィルムを貼り合せることを含む、フィルム積層体の製造方法であって、
対向する第1のロールと第2のロールとの間に、該脆性フィルムと該靭性フィルムとを走行させることにより、該脆性フィルムと該靭性フィルムとを貼り合せることを含み、
該第1のロールのアスカーC硬度が、1〜70である、
フィルム積層体の製造方法。 - 前記脆性フィルムの厚みが、20μm〜300μmである、請求項1に記載のフィルム積層体の製造方法。
- 前記第1のロールと第2のロールとの間で構成される前記脆性フィルムと前記靭性フィルムとの積層構造体にかかるニップ圧が0.01MPa〜0.5MPaである、請求項1または2に記載のフィルム積層体の製造方法。
- 前記靭性フィルムの幅が、前記脆性フィルムの幅に対して、1%〜110%である、請求項1から3のいずれかに記載のフィルム積層体の製造方法。
- 前記靭性フィルムの脆性フィルムに対する接着力が、0.005N/25mm〜10N/25mmである、請求項1から4のいずれかに記載のフィルム積層体の製造方法。
- 前記長尺状の靭性フィルムを送り出し、該靭性フィルムと前記脆性フィルムとを貼り合せる前に、該靭性フィルムおよび/または該脆性フィルム上に接着剤を塗布することを含む、請求項1から5のいずれかに記載のフィルム積層体の製造方法。
- 前記靭性フィルムが接着層付き靭性フィルムとして、前記フィルム積層体の製造方法に供され、
長尺状の該靭性フィルムを送り出し、該靭性フィルム上に接着剤を塗布して接着層付き靭性フィルムを形成し、その後、該接着層付き靭性フィルムを巻き取らず、連続的に、靭性フィルムと脆性フィルムとの貼り合せを行う、
請求項1から5のいずれかに記載のフィルム積層体の製造方法。
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JP2016209643 | 2016-10-26 | ||
JP2016209643 | 2016-10-26 | ||
PCT/JP2017/038032 WO2018079441A1 (ja) | 2016-10-26 | 2017-10-20 | フィルム積層体の製造方法 |
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JPWO2018079441A1 true JPWO2018079441A1 (ja) | 2019-08-08 |
JP6814226B2 JP6814226B2 (ja) | 2021-01-13 |
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EP (1) | EP3533590B1 (ja) |
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KR (1) | KR20190059301A (ja) |
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Citations (5)
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- 2017-10-20 US US16/345,023 patent/US20190275778A1/en not_active Abandoned
- 2017-10-20 CN CN201780066772.7A patent/CN109982833B/zh active Active
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- 2017-10-20 EP EP17863553.8A patent/EP3533590B1/en active Active
- 2017-10-20 KR KR1020197011593A patent/KR20190059301A/ko not_active IP Right Cessation
- 2017-10-25 TW TW106136698A patent/TWI758346B/zh active
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JP2014527706A (ja) * | 2011-04-11 | 2014-10-16 | コーニング インコーポレイテッド | ハンドリングタブを連続的なガラスリボンに貼り付ける方法および装置 |
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EP3533590A4 (en) | 2020-09-30 |
TW201827232A (zh) | 2018-08-01 |
US20190275778A1 (en) | 2019-09-12 |
CN109982833B (zh) | 2021-11-09 |
CN109982833A (zh) | 2019-07-05 |
WO2018079441A1 (ja) | 2018-05-03 |
KR20190059301A (ko) | 2019-05-30 |
EP3533590A1 (en) | 2019-09-04 |
JP6814226B2 (ja) | 2021-01-13 |
TWI758346B (zh) | 2022-03-21 |
EP3533590B1 (en) | 2022-07-27 |
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