JPWO2017010355A1 - 偏光子の製造方法 - Google Patents
偏光子の製造方法 Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 50
- 238000004132 cross linking Methods 0.000 claims abstract description 112
- 238000004043 dyeing Methods 0.000 claims abstract description 54
- 239000004327 boric acid Substances 0.000 claims abstract description 45
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims abstract description 38
- 238000000034 method Methods 0.000 claims description 45
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 15
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- -1 boric acid compound Chemical class 0.000 description 17
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- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 1
- UNMYWSMUMWPJLR-UHFFFAOYSA-L Calcium iodide Chemical compound [Ca+2].[I-].[I-] UNMYWSMUMWPJLR-UHFFFAOYSA-L 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920002284 Cellulose triacetate Polymers 0.000 description 1
- FBPFZTCFMRRESA-KVTDHHQDSA-N D-Mannitol Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-KVTDHHQDSA-N 0.000 description 1
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- 229920000219 Ethylene vinyl alcohol Polymers 0.000 description 1
- 238000004566 IR spectroscopy Methods 0.000 description 1
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- 239000002253 acid Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
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- SGUXGJPBTNFBAD-UHFFFAOYSA-L barium iodide Chemical compound [I-].[I-].[Ba+2] SGUXGJPBTNFBAD-UHFFFAOYSA-L 0.000 description 1
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- 230000005540 biological transmission Effects 0.000 description 1
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- 150000003949 imides Chemical class 0.000 description 1
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- 238000007603 infrared drying Methods 0.000 description 1
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- 150000002497 iodine compounds Chemical class 0.000 description 1
- QQVIHTHCMHWDBS-UHFFFAOYSA-L isophthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC(C([O-])=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-L 0.000 description 1
- 239000000594 mannitol Substances 0.000 description 1
- 235000010355 mannitol Nutrition 0.000 description 1
- 230000028161 membrane depolarization Effects 0.000 description 1
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- JTHNLKXLWOXOQK-UHFFFAOYSA-N n-propyl vinyl ketone Natural products CCCC(=O)C=C JTHNLKXLWOXOQK-UHFFFAOYSA-N 0.000 description 1
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- 230000000149 penetrating effect Effects 0.000 description 1
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- 229920001643 poly(ether ketone) Polymers 0.000 description 1
- 229920001483 poly(ethyl methacrylate) polymer Polymers 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
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- 150000004291 polyenes Chemical class 0.000 description 1
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- 229920006254 polymer film Polymers 0.000 description 1
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- 230000002265 prevention Effects 0.000 description 1
- SCUZVMOVTVSBLE-UHFFFAOYSA-N prop-2-enenitrile;styrene Chemical compound C=CC#N.C=CC1=CC=CC=C1 SCUZVMOVTVSBLE-UHFFFAOYSA-N 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
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- 229910052710 silicon Inorganic materials 0.000 description 1
- 235000009518 sodium iodide Nutrition 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
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- 238000000859 sublimation Methods 0.000 description 1
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- 229920001187 thermosetting polymer Polymers 0.000 description 1
- QPBYLOWPSRZOFX-UHFFFAOYSA-J tin(iv) iodide Chemical compound I[Sn](I)(I)I QPBYLOWPSRZOFX-UHFFFAOYSA-J 0.000 description 1
- NLLZTRMHNHVXJJ-UHFFFAOYSA-J titanium tetraiodide Chemical compound I[Ti](I)(I)I NLLZTRMHNHVXJJ-UHFFFAOYSA-J 0.000 description 1
- BSVBQGMMJUBVOD-UHFFFAOYSA-N trisodium borate Chemical compound [Na+].[Na+].[Na+].[O-]B([O-])[O-] BSVBQGMMJUBVOD-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/02—Details
Abstract
Description
製造された偏光子は、式(1)で表されるホウ酸架橋効率が4.0乃至5.5である、偏光子の製造方法。
ホウ酸架橋効率=(偏光子の架橋度(%)×10.81)/(ホウ素含量(%)×3) ・・・(1)
(式中、偏光子の架橋度は式(2)で表され、ホウ素含量は偏光子中に含まれるホウ素の重量分率(%)である。
本発明による偏光子の製造方法は、湿式工程に入る前に偏光子形成用フィルムを乾式延伸する工程を行う。
本発明による偏光子の製造工程は、乾式延伸の後、応力緩和ステップを行う。
本発明による偏光子の製造方法は、前記応力緩和ステップの後、染色ステップを行う。
本発明による偏光子の製造方法は、前記染色ステップの後、架橋ステップを行う。
必要に応じて、本発明の偏光子の製造方法は、架橋ステップが完了した後に水洗ステップをさらに含んでいてもよい。
乾燥ステップは、水洗された偏光子形成用フィルムを乾燥させ、乾燥によるネックインで染着されたヨウ素分子の配向をより向上させ、光学特性に優れた偏光子を得るステップである。
(実施例1)
75μmの厚さを有し鹸化度が99.9%以上である透明な未延伸ポリビニルアルコールフィルム(PS75、KURARAY社)を130℃の熱ロールで4.5倍乾式延伸を進行した。
下記の表1に記載された工程条件を調節したことを除いては、実施例1と同様の方法で偏光子を製造した。
1.ホウ酸架橋効率
1.1 架橋度
Scan回数:16回
波数分解能:4cm−1
測定範囲:400〜4000cm-1
スキャンスピード:9.6kHz
ローパスフィルター:Auto
光源:IR(ceramic)
ビームスプリッタ:KBr
検出器:DTGS KBr
結晶:KBr
入射角度:45°
測定方向:光の入射方向と偏光子透過軸方向が平行となるように測定
実施例及び比較例で製造された偏光子サンプルの試料0.15gを30mlのVialに入れて超純水を加えて25gとした後、Vialを恒温槽(90℃)に入れてPVAを完全に溶解した後放冷する。
Lv1.0:全くムラが視認されない。
Lv2.0:わずかにムラが視認される。
Lv3.0:わずかに斜めムラが視認される。
Lv4.0:全面に斜めムラが視認される。
Lv5.0:全面に顕著に斜めムラが視認される。
Claims (15)
- 偏光子形成用フィルムを乾式延伸、応力緩和、染色及び架橋するステップを含み、
製造された偏光子は、式(1)で表されるホウ酸架橋効率が4.0乃至5.5である、偏光子の製造方法。
ホウ酸架橋効率=(偏光子の架橋度(%)×10.81)/(ホウ素含量(%)×3)・・・(1)
(式中、偏光子の架橋度は下記の式(2)であり、ホウ素含量は偏光子中に含まれるホウ素の重量分率(%)である。
偏光子の架橋度(%)=(偏光子の1200乃至1360cm−1の吸光度積分値/偏光子の2850乃至3000cm−1の吸光度積分値)×100・・・(2) - 前記応力緩和、染色及び架橋を含む湿式ステップの前後におけるフィルムのTD方向収縮率は25乃至40%である、請求項1に記載の偏光子の製造方法。
- 前記偏光子形成用フィルムの厚みは20乃至80μmである、請求項1又は2に記載の偏光子の製造方法。
- 前記乾式延伸ステップのフィルムの延伸比は4乃至5倍である、請求項1〜3のいずれか1項に記載の偏光子の製造方法。
- 前記乾式延伸ステップは120乃至140℃で行われる、請求項1〜4のいずれか1項に記載の偏光子の製造方法。
- 前記応力緩和ステップは20乃至50℃の応力緩和用水溶液に浸漬して行われる、請求項1〜5のいずれか1項に記載の偏光子の製造方法。
- 前記応力緩和ステップは40乃至180秒間行われる、請求項1〜6のいずれか1項に記載の偏光子の製造方法。
- 前記応力緩和ステップのフィルムの延伸比は0.9乃至1倍である、請求項1〜7のいずれか1項に記載の偏光子の製造方法。
- 前記染色ステップは5乃至42℃の染色用水溶液に浸漬して行われる、請求項1〜8のいずれか1項に記載の偏光子の製造方法。
- 前記染色ステップは60乃至200秒間行われる、請求項1〜9のいずれか1項に記載の偏光子の製造方法。
- 前記染色ステップのフィルムの延伸比は1乃至1.1倍である、請求項1〜10のいずれか1項に記載の偏光子の製造方法。
- 前記架橋ステップは20乃至90℃の架橋用水溶液に浸漬して行われる、請求項1〜11のいずれか1項に記載の偏光子の製造方法。
- 前記架橋ステップは1秒乃至15分間行われる、請求項1〜12のいずれか1項に記載の偏光子の製造方法。
- 前記架橋ステップのフィルムの延伸比は0.99乃至1.65倍である、請求項1〜13のいずれか1項に記載の偏光子の製造方法。
- 前記架橋ステップの後、水洗及び乾燥ステップをさらに含む、請求項1〜14のいずれか1項に記載の偏光子の製造方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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KR10-2015-0098614 | 2015-07-10 | ||
KR1020150098614A KR20170007022A (ko) | 2015-07-10 | 2015-07-10 | 편광자의 제조 방법 |
PCT/JP2016/069913 WO2017010355A1 (ja) | 2015-07-10 | 2016-07-05 | 偏光子の製造方法 |
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JPWO2017010355A1 true JPWO2017010355A1 (ja) | 2018-04-19 |
JP6712595B2 JP6712595B2 (ja) | 2020-06-24 |
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JP (1) | JP6712595B2 (ja) |
KR (1) | KR20170007022A (ja) |
TW (1) | TW201707942A (ja) |
WO (1) | WO2017010355A1 (ja) |
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JP2019066751A (ja) * | 2017-10-04 | 2019-04-25 | 日本合成化学工業株式会社 | 偏光フィルムの製造方法 |
Citations (4)
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JPH1039137A (ja) * | 1996-07-22 | 1998-02-13 | Sumitomo Chem Co Ltd | 偏光フィルムの製造方法 |
JP2003098344A (ja) * | 2001-09-20 | 2003-04-03 | Nitto Denko Corp | 偏光子の製造方法、偏光子、偏光板および画像表示装置 |
JP2003240946A (ja) * | 2002-02-14 | 2003-08-27 | Nitto Denko Corp | 偏光子の製造方法、偏光子、偏光板および画像表示装置 |
WO2015064433A1 (ja) * | 2013-10-29 | 2015-05-07 | 住友化学株式会社 | 偏光板 |
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Publication number | Priority date | Publication date | Assignee | Title |
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JPH1039137A (ja) * | 1996-07-22 | 1998-02-13 | Sumitomo Chem Co Ltd | 偏光フィルムの製造方法 |
JP2003098344A (ja) * | 2001-09-20 | 2003-04-03 | Nitto Denko Corp | 偏光子の製造方法、偏光子、偏光板および画像表示装置 |
JP2003240946A (ja) * | 2002-02-14 | 2003-08-27 | Nitto Denko Corp | 偏光子の製造方法、偏光子、偏光板および画像表示装置 |
WO2015064433A1 (ja) * | 2013-10-29 | 2015-05-07 | 住友化学株式会社 | 偏光板 |
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KR20170007022A (ko) | 2017-01-18 |
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