JP2012081610A5 - - Google Patents
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- JP2012081610A5 JP2012081610A5 JP2010228264A JP2010228264A JP2012081610A5 JP 2012081610 A5 JP2012081610 A5 JP 2012081610A5 JP 2010228264 A JP2010228264 A JP 2010228264A JP 2010228264 A JP2010228264 A JP 2010228264A JP 2012081610 A5 JP2012081610 A5 JP 2012081610A5
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- Prior art keywords
- long
- stretched film
- film
- long stretched
- oblique stretching
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１．熱可塑性樹脂からなる長尺のフィルムを、斜め延伸装置によって該フィルムの長手方向に対して斜交する方向に延伸する長尺延伸フィルムの製造方法であって、該斜め延伸装置の入口部に最も近いガイドロールの主軸位置と斜め延伸装置の入り口部の把持具（クリップつかみ部）との距離が、２０〜１００ｃｍの範囲内であることを特徴とする長尺延伸フィルムの製造方法。 1. A method for producing a long stretched film in which a long film made of a thermoplastic resin is stretched in an oblique direction with respect to the longitudinal direction of the film by an oblique stretching device, which is most at an inlet portion of the oblique stretching device. A method for producing a long stretched film, characterized in that the distance between the main shaft position of the near guide roll and the gripping tool (clip gripping portion) at the entrance of the oblique stretching apparatus is in the range of 20 to 100 cm.
２．前記熱可塑性樹脂がセルロースエステル樹脂、セルロースエステル樹脂とアクリル系重合体の混合物、ラクトン環を有するアクリル系重合体のいずれかを主成分とすることを特徴とする前記１に記載の長尺延伸フィルムの製造方法。 2. Wherein the thermoplastic resin is a cellulose ester resin, a mixture of cellulose ester resins and acrylic polymers, long stretched film according to the 1, characterized in that a main component of any of the acrylic polymer having a lactone ring Manufacturing method.
３．熱可塑性樹脂としてセルロースエステル樹脂、セルロースエステル樹脂とアクリル系重合体の混合物、ラクトン環を有するアクリル系重合体のいずれかを主成分とする長尺のフィルムが、斜め延伸装置の入口部に最も近いガイドロールの主軸位置と斜め延伸装置の入り口部の把持具（クリップつかみ部）との距離が、２０〜１００ｃｍの範囲内である斜め延伸装置によって、該フィルムの長手方向に対して斜交する方向に延伸されていることを特徴とする長尺延伸フィルム。 3. A long film mainly composed of a cellulose ester resin as a thermoplastic resin, a mixture of a cellulose ester resin and an acrylic polymer, or an acrylic polymer having a lactone ring is closest to the entrance of the oblique stretching apparatus. A direction oblique to the longitudinal direction of the film by an oblique stretching device in which the distance between the main shaft position of the guide roll and the gripping tool (clip gripping portion) at the entrance of the oblique stretching device is in the range of 20 to 100 cm. A long stretched film characterized by being stretched into a long length.
４．前記長尺延伸フィルムの２３℃・５５％ＲＨの環境下、光波長５５０ｎｍでの測定による面内リターデーションＲｏ（５５０）が１００〜１６０ｎｍの範囲内であり、配向角θが４０〜５０°の範囲内であることを特徴とする前記３に記載の長尺延伸フィルム。 4). In the environment of 23 ° C. and 55% RH of the long stretched film, the in-plane retardation Ro (550) measured at a light wavelength of 550 nm is in the range of 100 to 160 nm, and the orientation angle θ is 40 to 50 ° . 4. The long stretched film according to 3 above , which is within a range .
５．前記長尺延伸フィルムの表面にクリアまたは防眩性のハードコート層を有していることを特徴とする前記３または４に記載の長尺延伸フィルム。 5. 5. The long stretched film according to 3 or 4 above, wherein the long stretched film has a clear or antiglare hard coat layer on the surface thereof .
７．長尺の偏光子の少なくとも一方の面に前記３〜６のいずれか１項に記載の長尺延伸フィルムを積層していることを特徴とする長尺偏光板。 7). Long polarizing plate characterized that you have laminating long stretched film according to any one of the 3-6 on at least one surface of a polarizer long.
８．前記３〜６のいずれか１項に記載の長尺延伸フィルム、または請求項７に記載の長尺偏光板を断栽した偏光板を備えることを特徴とする液晶表示装置。 8). A liquid crystal display device comprising: the long stretched film according to any one of 3 to 6; or a polarizing plate obtained by cutting the long polarizing plate according to claim 7.
フィルムの延長方向と遅相軸とがなす角度（配向角θ）は、０°を超え９０°未満の範囲で、所望の角度に任意に設定することができるが、より好ましくは１０°〜８０°、更に好ましくは４０°〜５０°であり、具体例としては４５°とすることができる。 The angle between the film extension direction and the slow axis (orientation angle θ 2 ) can be arbitrarily set to a desired angle in the range of more than 0 ° and less than 90 °, more preferably 10 ° to 80 °. °, more preferably 40 ° to 50 °, and a specific example is 45 °.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010228264A JP5569323B2 (en) | 2010-10-08 | 2010-10-08 | Manufacturing method of long stretched film and manufacturing method of long polarizing plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010228264A JP5569323B2 (en) | 2010-10-08 | 2010-10-08 | Manufacturing method of long stretched film and manufacturing method of long polarizing plate |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2012081610A JP2012081610A (en) | 2012-04-26 |
| JP2012081610A5 true JP2012081610A5 (en) | 2013-09-19 |
| JP5569323B2 JP5569323B2 (en) | 2014-08-13 |
Family
ID=46241017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010228264A Active JP5569323B2 (en) | 2010-10-08 | 2010-10-08 | Manufacturing method of long stretched film and manufacturing method of long polarizing plate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5569323B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014073021A1 (en) * | 2012-11-06 | 2014-05-15 | コニカミノルタ株式会社 | Method for producing longitudinally-stretching film |
| CN104870352B (en) * | 2012-12-13 | 2017-03-22 | 柯尼卡美能达株式会社 | Optical film roll, method for producing same, polarizing plate, and display device |
| JP6678274B1 (en) * | 2018-11-22 | 2020-04-08 | 住友化学株式会社 | Laminated film roll, laminated body with hard coat film, and polarizing plate |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3459721B2 (en) * | 1995-05-22 | 2003-10-27 | キヤノン株式会社 | Stereoscopic image display method and stereoscopic image display device using the same |
| JP2002022944A (en) * | 2000-07-06 | 2002-01-23 | Fuji Photo Film Co Ltd | Circularly polarizing plate and its manufacturing method |
| JP2002022945A (en) * | 2000-07-07 | 2002-01-23 | Fuji Photo Film Co Ltd | Elliptically polarizing plate, its manufacturing method and reflective stn liquid crystal display device using the same |
| JP4228703B2 (en) * | 2003-01-20 | 2009-02-25 | コニカミノルタホールディングス株式会社 | Method for producing retardation film |
| JP4273823B2 (en) * | 2003-04-22 | 2009-06-03 | コニカミノルタオプト株式会社 | Method for producing retardation film |
| JP2005111969A (en) * | 2003-09-19 | 2005-04-28 | Fuji Photo Film Co Ltd | Film forming method from solution, polymer film, polarizing plate, displaying apparatus |
| JP4810674B2 (en) * | 2005-03-10 | 2011-11-09 | コニカミノルタオプト株式会社 | Optical film manufacturing method, optical compensation film manufacturing method |
-
2010
- 2010-10-08 JP JP2010228264A patent/JP5569323B2/en active Active
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