KR101197858B1 - 필름, 그 제조 방법 및 그 용도 - Google Patents
필름, 그 제조 방법 및 그 용도 Download PDFInfo
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- KR101197858B1 KR101197858B1 KR1020097022540A KR20097022540A KR101197858B1 KR 101197858 B1 KR101197858 B1 KR 101197858B1 KR 1020097022540 A KR1020097022540 A KR 1020097022540A KR 20097022540 A KR20097022540 A KR 20097022540A KR 101197858 B1 KR101197858 B1 KR 101197858B1
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- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
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- B29C48/25—Component parts, details or accessories; Auxiliary operations
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- B29C48/91—Heating, e.g. for cross linking
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- C—CHEMISTRY; METALLURGY
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
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- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
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Abstract
Description
Claims (19)
- 결정성의 올레핀 (공)중합체로 이루어지는 필름에 있어서, 표면 조도 Ra가 5nm 이하, 또한 헤이즈가 1% 이하이고,상기 필름 면 내의 굴절률이 최대로 되는 방향을 X축, 면 내이고 X축에 수직인 방향을 Y축으로 하고, 각각의 파장 590nm에서의 굴절률을 nx, ny, 필름의 막 두께를 d로 했을 때의, 파장 590nm에서의 면 내의 리타데이션값 Re=(nx-ny)?d가 5nm 이하이며,상기 결정성의 올레핀 (공)중합체가 4-메틸-1-펜텐, 3-메틸-1-펜텐, 3-메틸-1-뷰텐으로부터 선택되는 적어도 1종류의 올레핀을 (공)중합 성분으로서 이용하여 얻어진 것을 특징으로 하는 필름.
- 삭제
- 제 1 항에 있어서,내부 헤이즈가 0.5% 이하인 것을 특징으로 하는 필름.
- 제 1 항에 있어서,JIS K7209법에 따라서 측정되는 흡수율이 0.1% 이하인 것을 특징으로 하는 필름.
- 제 1 항에 있어서,JIS Z0208법에 따라서 측정되는 수증기 투과율이 25g/m2/day 이상인 것을 특징으로 하는 필름.
- 제 1 항에 있어서,굴절률이 1.5 이하인 것을 특징으로 하는 필름.
- 삭제
- 제 1 항에 있어서,상기 필름 면 내의 굴절률이 최대로 되는 방향을 X축, 면 내이고 X축에 수직인 방향을 Y축, 필름의 두께 방향을 Z축으로 하고, 각각의 파장 590nm에서의 굴절률을 nx, ny, nz, 필름의 막 두께를 d로 했을 때의, 파장 590nm에서의 두께 방향의 리타데이션값 Rth=|(nx+ny)/2-nz|?d가 10nm 이하인 것을 특징으로 하는 필름.
- 제 1 항, 제 3 항 내지 제 6 항 및 제 8 항 중 어느 한 항에 기재된 필름을 제조하는 방법으로서,결정성의 올레핀 (공)중합체로 이루어지는 필름을, 상기 결정성 올레핀 (공)중합체의 유리 전이 온도(Tg) 이상이고 120℃ 미만인 온도에서 연신하는 것을 특징으로 하는 필름의 제조 방법.
- 제 9 항에 있어서,용융 수지를 필름으로 형성할 때에 Tg+50℃ 이하로 급냉하는 것을 특징으로 하는 필름의 제조 방법.
- 제 9 항에 있어서,결정성의 올레핀 (공)중합체로 이루어지는 필름을 용융 압출법에 의해서 형성함과 동시에, 또는 계속해서 상기 필름을 가압 압축하는 것을 특징으로 하는 필름의 제조 방법.
- 제 1 항, 제 3 항 내지 제 6 항 및 제 8 항 중 어느 한 항에 기재된 필름을 포함하는 편광판 보호 필름.
- 제 1 항, 제 3 항 내지 제 6 항 및 제 8 항 중 어느 한 항에 기재된 필름을 포함하는 광학 보상 필름.
- 제 1 항, 제 3 항 내지 제 6 항 및 제 8 항 중 어느 한 항에 기재된 필름을 포함하는 박리 필름.
- 제 1 항, 제 3 항 내지 제 6 항 및 제 8 항 중 어느 한 항에 기재된 필름을 포함하는 보호 필름.
- 제 1 항, 제 3 항 내지 제 6 항 및 제 8 항 중 어느 한 항에 기재된 필름, 또는 이 필름을 포함하는 편광판 보호 필름을 포함하는 표시 소자.
- 제 1 항, 제 3 항 내지 제 6 항 및 제 8 항 중 어느 한 항에 기재된 필름, 또는 이 필름을 포함하는 광학 보상 필름을 포함하는 표시 소자.
- 제 1 항, 제 3 항 내지 제 6 항 및 제 8 항 중 어느 한 항에 기재된 필름, 또는 이 필름을 포함하는 박리 필름을 포함하는 표시 소자.
- 제 1 항, 제 3 항 내지 제 6 항 및 제 8 항 중 어느 한 항에 기재된 필름, 또는 이 필름을 포함하는 보호 필름을 포함하는 표시 소자.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007118159 | 2007-04-27 | ||
| JPJP-P-2007-118159 | 2007-04-27 | ||
| PCT/JP2008/001061 WO2008139696A1 (ja) | 2007-04-27 | 2008-04-23 | フィルムおよびその製造方法ならびにその用途 |
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| KR20090125214A KR20090125214A (ko) | 2009-12-03 |
| KR101197858B1 true KR101197858B1 (ko) | 2012-11-05 |
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| JP (1) | JP4914494B2 (ko) |
| KR (1) | KR101197858B1 (ko) |
| CN (1) | CN101663152B (ko) |
| TW (1) | TWI424010B (ko) |
| WO (1) | WO2008139696A1 (ko) |
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| JP5548376B2 (ja) * | 2009-03-25 | 2014-07-16 | 三井化学株式会社 | 4−メチルペンテン−1(共)重合体を含む横延伸用樹脂フィルム、およびその製造方法 |
| KR101073020B1 (ko) | 2009-04-27 | 2011-10-12 | 황천남 | 광확산판의 제조방법 |
| JP5760396B2 (ja) * | 2010-11-10 | 2015-08-12 | 三菱瓦斯化学株式会社 | フラットパネルディスプレイ用偏光板保護フィルム及びフラットパネルディスプレイ用位相差フィルム、並びに、これらの使用方法 |
| JP2019020718A (ja) * | 2017-07-20 | 2019-02-07 | 住友化学株式会社 | 光学シート |
| CN114502374B (zh) * | 2019-10-10 | 2024-04-30 | 东丽株式会社 | 聚烯烃膜 |
| KR102593640B1 (ko) | 2020-03-10 | 2023-10-24 | 삼성에스디아이 주식회사 | 편광판 및 이를 포함하는 광학표시장치 |
| CN115044087A (zh) * | 2022-08-15 | 2022-09-13 | 江苏康辉新材料科技有限公司 | 一种低雾度光学膜及其制备方法和应用 |
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| JP2000275433A (ja) | 1999-03-23 | 2000-10-06 | Sekisui Chem Co Ltd | 偏光板保護フィルム |
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| JPS58185226A (ja) * | 1982-04-24 | 1983-10-28 | Unitika Ltd | 熱可塑性フイルムの製造方法 |
| JPS61228931A (ja) * | 1985-04-03 | 1986-10-13 | Toray Ind Inc | ポリ4−メチルペンテン−1フイルムの二軸延伸方法 |
| JP2790330B2 (ja) * | 1989-08-15 | 1998-08-27 | 三井化学株式会社 | プリント配線板製造用の離型フィルムおよびその製造方法 |
| JPH04284402A (ja) * | 1991-03-14 | 1992-10-09 | Asahi Chem Ind Co Ltd | 新規なる位相差補償シート |
| JP3611044B2 (ja) * | 1994-07-18 | 2005-01-19 | 新日本石油化学株式会社 | 表面保護用フィルムおよびその製造方法 |
| JPH08207119A (ja) * | 1994-10-19 | 1996-08-13 | Diafoil Co Ltd | 熱可塑性樹脂シート又はフイルムの製造方法 |
| EP0707938A3 (en) * | 1994-10-19 | 1997-01-08 | Hoechst Diafoil Gmbh | Process for producing a thermoplastic film by side-by-side coextrusion |
| JPH10253827A (ja) * | 1997-03-10 | 1998-09-25 | Nippon Petrochem Co Ltd | 光学素子およびその光学検査方法 |
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| Publication number | Publication date |
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| WO2008139696A1 (ja) | 2008-11-20 |
| TWI424010B (zh) | 2014-01-21 |
| JPWO2008139696A1 (ja) | 2010-07-29 |
| JP4914494B2 (ja) | 2012-04-11 |
| CN101663152A (zh) | 2010-03-03 |
| TW200904863A (en) | 2009-02-01 |
| CN101663152B (zh) | 2012-10-10 |
| KR20090125214A (ko) | 2009-12-03 |
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