JP2018025798A5 - - Google Patents
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- Publication number
- JP2018025798A5 JP2018025798A5 JP2017152316A JP2017152316A JP2018025798A5 JP 2018025798 A5 JP2018025798 A5 JP 2018025798A5 JP 2017152316 A JP2017152316 A JP 2017152316A JP 2017152316 A JP2017152316 A JP 2017152316A JP 2018025798 A5 JP2018025798 A5 JP 2018025798A5
- Authority
- JP
- Japan
- Prior art keywords
- polarizing plate
- polyvinyl alcohol
- modified polyvinyl
- water
- based resin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 239000004372 Polyvinyl alcohol Substances 0.000 claims 9
- 125000002339 acetoacetyl group Chemical group O=C([*])C([H])([H])C(=O)C([H])([H])[H] 0.000 claims 9
- 229920002451 polyvinyl alcohol Polymers 0.000 claims 9
- 239000011347 resin Substances 0.000 claims 9
- 229920005989 resin Polymers 0.000 claims 9
- ONDPHDOFVYQSGI-UHFFFAOYSA-N Zinc nitrate Chemical compound [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 claims 8
- 239000000853 adhesive Substances 0.000 claims 8
- 230000001070 adhesive Effects 0.000 claims 8
- 150000002500 ions Chemical class 0.000 claims 6
- 229910052751 metal Inorganic materials 0.000 claims 6
- 239000002184 metal Substances 0.000 claims 6
- 150000003839 salts Chemical class 0.000 claims 6
- 239000011780 sodium chloride Substances 0.000 claims 6
- 239000000243 solution Substances 0.000 claims 6
- JLDSOYXADOWAKB-UHFFFAOYSA-N Aluminium nitrate Chemical compound [Al+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O JLDSOYXADOWAKB-UHFFFAOYSA-N 0.000 claims 4
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N Glyoxal Chemical compound O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 claims 4
- 229940015043 Glyoxal Drugs 0.000 claims 4
- JIAARYAFYJHUJI-UHFFFAOYSA-L Zinc chloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 claims 4
- 239000003431 cross linking reagent Substances 0.000 claims 4
- 239000000203 mixture Substances 0.000 claims 4
- 239000007787 solid Substances 0.000 claims 4
- 239000011592 zinc chloride Substances 0.000 claims 4
- 235000005074 zinc chloride Nutrition 0.000 claims 4
- 239000007864 aqueous solution Substances 0.000 claims 3
- 238000004519 manufacturing process Methods 0.000 claims 3
- 238000001035 drying Methods 0.000 claims 2
- 230000001681 protective Effects 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 2
- 239000007788 liquid Substances 0.000 claims 1
- 239000004973 liquid crystal related substance Substances 0.000 claims 1
Claims (8)
前記偏光板の水分率が２．８〜４．８％であり、
前記接着剤層は、アセトアセチル基変性ポリビニルアルコール系樹脂、グリオキサール架橋剤及び２種以上の多価金属イオンの水溶性塩を含む接着剤組成物よりなり、厚さが３０〜２００ｎｍであることを特徴とする偏光板。 In a polarizing plate including a protective film bonded to at least one surface of a polarizer with an adhesive layer interposed,
The water content of the polarizing plate is 2.8 to 4.8%,
The adhesive layer is composed of an adhesive composition containing an acetoacetyl group-modified polyvinyl alcohol-based resin, a glyoxal crosslinking agent, and a water-soluble salt of two or more kinds of polyvalent metal ions, and has a thickness of 30 to 200 nm. Characteristic polarizing plate.
前記塩化亜鉛の含量は、前記Ｂ液に含まれるアセトアセチル基変性ポリビニルアルコール系樹脂の固形分総１００重量部に対して、２〜１０重量部で含まれることを特徴とする請求項２に記載の偏光板。The content of the zinc chloride is 2 to 10 parts by weight based on 100 parts by weight of the total solid content of the acetoacetyl group-modified polyvinyl alcohol-based resin contained in the solution B. Polarizing plate.
前記硝酸亜鉛乃至硝酸アルミニウムの含量は、前記Ｂ液に含まれるアセトアセチル基変性ポリビニルアルコール系樹脂の固形分総１００重量部に対して、３０〜９０重量部で含まれることを特徴とする請求項２に記載の偏光板。The content of the zinc nitrate to aluminum nitrate is 30 to 90 parts by weight based on 100 parts by weight of the total solid content of the acetoacetyl group-modified polyvinyl alcohol-based resin contained in the solution B. The polarizing plate according to 2.
（ａ）偏光子の両面にアセトアセチル基変性ポリビニルアルコール系樹脂、グリオキサール架橋剤及び２種以上の多価金属イオンの水溶性塩を含む接着剤組成物が塗布され、接着剤層が生成される段階と、(A) An adhesive composition containing an acetoacetyl group-modified polyvinyl alcohol-based resin, a glyoxal crosslinking agent, and a water-soluble salt of two or more polyvalent metal ions is applied to both surfaces of the polarizer to form an adhesive layer. Stages,
（ｂ）前記接着剤層上に少なくとも一つ以上の保護フィルムがニップロールにより接合され、偏光板が製作される段階と、(B) a step of joining at least one protective film on the adhesive layer with a nip roll to manufacture a polarizing plate,
（ｃ）前記偏光板が少なくとも２個以上の乾燥路を通過し、乾燥される段階と、を含むことを特徴とする偏光板の製造方法。(C) a step of allowing the polarizing plate to pass through at least two or more drying paths and drying, and a method for manufacturing a polarizing plate.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020160100725A KR101775594B1 (en) | 2016-08-08 | 2016-08-08 | Polarizing plate and preparing method for the same |
| KR10-2016-0100725 | 2016-08-08 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2018025798A JP2018025798A (en) | 2018-02-15 |
| JP2018025798A5 true JP2018025798A5 (en) | 2020-07-02 |
| JP6945380B2 JP6945380B2 (en) | 2021-10-06 |
Family
ID=59925076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017152316A Active JP6945380B2 (en) | 2016-08-08 | 2017-08-07 | Polarizing plate and its manufacturing method |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6945380B2 (en) |
| KR (1) | KR101775594B1 (en) |
| CN (1) | CN107703577B (en) |
| TW (1) | TWI729183B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020137839A1 (en) * | 2018-12-25 | 2020-07-02 | 日東電工株式会社 | Polarizer and method for manufacturing same |
| JP7046901B2 (en) * | 2018-12-25 | 2022-04-04 | 日東電工株式会社 | Polarizer and its manufacturing method |
| JP2021043370A (en) * | 2019-09-12 | 2021-03-18 | 住友化学株式会社 | Polarizer |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002221619A (en) * | 2001-01-25 | 2002-08-09 | Gunze Ltd | Polarizing plate |
| JP2005326531A (en) * | 2004-05-13 | 2005-11-24 | Nitto Denko Corp | Polarizing plate equipped with protecting film, manufacturing method therefor, and image display device using polarizing plate |
| JP2008129258A (en) * | 2006-11-20 | 2008-06-05 | Nitto Denko Corp | Method for producing polarizing plate, polarizing plate, optical film and image display device |
| JP2008180765A (en) * | 2007-01-23 | 2008-08-07 | Sumitomo Chemical Co Ltd | Manufacturing method of polarizing film |
| JP5051696B2 (en) * | 2007-04-06 | 2012-10-17 | 住友化学株式会社 | Polarizer |
| JP4849563B2 (en) * | 2007-08-07 | 2012-01-11 | 住友化学株式会社 | Polarizing plate and manufacturing method thereof |
| JP5147014B2 (en) * | 2008-10-08 | 2013-02-20 | 住友化学株式会社 | High contrast polarizing plate and liquid crystal display device |
| JP4762320B2 (en) * | 2009-02-20 | 2011-08-31 | 住友化学株式会社 | Liquid crystal display |
| KR101211745B1 (en) * | 2009-06-24 | 2012-12-12 | 주식회사 엘지화학 | Retardation film, fabrication method thereof, and liquid crystal display comprising the same |
| JP2012047799A (en) * | 2010-08-24 | 2012-03-08 | Nitto Denko Corp | Manufacturing method of polarizer |
| KR101459126B1 (en) * | 2011-12-21 | 2014-11-07 | 제일모직주식회사 | Polarizer plate and liquid crystal display comprising the same |
| KR101397705B1 (en) * | 2011-12-30 | 2014-05-23 | 제일모직주식회사 | Adhesive composition for polarizing plate |
| KR102282040B1 (en) * | 2014-07-02 | 2021-07-28 | 수미토모 케미칼 컴퍼니 리미티드 | Adhesive composition and polarizing plate comprising the same |
| WO2016002808A1 (en) * | 2014-07-02 | 2016-01-07 | 住友化学株式会社 | Adhesive composition and polarizing plate containing same |
| KR20160028316A (en) * | 2014-09-03 | 2016-03-11 | 스미또모 가가꾸 가부시키가이샤 | Adhesive composition and polarizing plate using the same |
-
2016
- 2016-08-08 KR KR1020160100725A patent/KR101775594B1/en active IP Right Grant
-
2017
- 2017-08-07 CN CN201710668721.3A patent/CN107703577B/en active Active
- 2017-08-07 JP JP2017152316A patent/JP6945380B2/en active Active
- 2017-08-08 TW TW106126685A patent/TWI729183B/en active
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