JPWO2016002808A1 - 接着剤組成物及びこれを含む偏光板 - Google Patents
接着剤組成物及びこれを含む偏光板 Download PDFInfo
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- JPWO2016002808A1 JPWO2016002808A1 JP2016531405A JP2016531405A JPWO2016002808A1 JP WO2016002808 A1 JPWO2016002808 A1 JP WO2016002808A1 JP 2016531405 A JP2016531405 A JP 2016531405A JP 2016531405 A JP2016531405 A JP 2016531405A JP WO2016002808 A1 JPWO2016002808 A1 JP WO2016002808A1
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- Prior art keywords
- polyvinyl alcohol
- adhesive composition
- weight
- polarizer
- water
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J129/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Adhesives based on hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Adhesives based on derivatives of such polymers
- C09J129/02—Homopolymers or copolymers of unsaturated alcohols
- C09J129/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
- C09J2203/326—Applications of adhesives in processes or use of adhesives in the form of films or foils for bonding electronic components such as wafers, chips or semiconductors
Abstract
Description
本発明は、接着力と偏光度とが低下することなく耐水性が向上した偏光板用接着剤組成物を提供する。
ジアルデヒド類としては、例えば、グリオキサール、プロパンジアール、ブタンジアールなどが挙げられる。特に、構造が簡潔で反応性に富むグリオキサールが好ましい。
以下、グリオキサールについて説明するが、ジアルデヒド類としては、上述のように従来公知のものを用いることが可能であり、グリオキサールに限定するものでない。
架橋調節剤
本実施形態に係る偏光板用接着剤組成物は、架橋調節剤を含まない。架橋調節剤とは、アセトアセチル基を有さないポリビニルアルコール系樹脂であり、例えば、ポリビニルアルコール樹脂、カルボン酸変性ポリビニルアルコール樹脂などが挙げられる。
実施例9
実施例10
Claims (6)
- アセトアセチル基変性ポリビニルアルコール系樹脂、ジアルデヒド類、及び水溶性キレート化合物を含み、
架橋調節剤を含んでおらず、
前記アセトアセチル基変性ポリビニルアルコール系樹脂の平均重合度が1500以下である、偏光板用接着剤組成物。 - 前記アセトアセチル基変性ポリビニルアルコール系樹脂は、接着剤組成物の固形分重量を基準として3ないし9重量%で含まれる、請求項1記載の偏光板用接着剤組成物。
- アセトアセチル基変性ポリビニルアルコール系樹脂100重量部に対して、
ジアルデヒド類は20ないし50重量部で含まれ、
前記水溶性キレート化合物は2ないし10重量部で含まれる、請求項1又は2記載の偏光板用接着剤組成物。 - ジアルデヒド類は、グリオキサールである、請求項1〜3のいずれか1項記載の偏光板用接着剤組成物。
- 水溶性キレート化合物は、塩化亜鉛、塩化コバルト、塩化マグネシウム、酢酸マグネシウム、硝酸アルミニウム、硝酸亜鉛、及び硫酸亜鉛からなる群より選択される1種以上である、請求項1〜4のいずれか1項記載の偏光板用接着剤組成物。
- ポリビニルアルコール系偏光子;
前記偏光子の一面又は両面に積層され、請求項1ないし5のいずれか一項の接着剤組成物を含有する接着剤層;及び
前記接着剤層上に一面又は両面に積層された偏光子保護フィルムを含む偏光板。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20140082251 | 2014-07-02 | ||
KR10-2014-0082251 | 2014-07-02 | ||
KR10-2015-0015914 | 2015-02-02 | ||
KR1020150015914A KR102282040B1 (ko) | 2014-07-02 | 2015-02-02 | 접착제 조성물 및 이를 포함하는 편광판 |
PCT/JP2015/068892 WO2016002808A1 (ja) | 2014-07-02 | 2015-06-30 | 接着剤組成物及びこれを含む偏光板 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2016002808A1 true JPWO2016002808A1 (ja) | 2017-04-27 |
JP7121466B2 JP7121466B2 (ja) | 2022-08-18 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2016531405A Active JP7121466B2 (ja) | 2014-07-02 | 2015-06-30 | 接着剤組成物及びこれを含む偏光板 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP7121466B2 (ja) |
KR (1) | KR102282040B1 (ja) |
CN (1) | CN106471403B (ja) |
TW (1) | TWI690574B (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101775594B1 (ko) * | 2016-08-08 | 2017-09-06 | 동우 화인켐 주식회사 | 편광판 및 이의 제조방법 |
KR101781167B1 (ko) * | 2016-08-08 | 2017-09-22 | 동우 화인켐 주식회사 | 접착제 조성물, 이를 포함하는 편광판 및 화상표시장치 |
WO2019045338A2 (ko) * | 2017-08-29 | 2019-03-07 | 동우 화인켐 주식회사 | 접착제 조성물, 이를 포함하는 편광판 및 화상표시장치 |
KR102378765B1 (ko) * | 2017-08-29 | 2022-03-25 | 동우 화인켐 주식회사 | 접착제 조성물, 이를 포함하는 편광판 및 화상표시장치 |
CN110967445A (zh) * | 2020-01-02 | 2020-04-07 | 佛山纬达光电材料股份有限公司 | 一种鉴别偏光片染色类型的方法 |
TWI769044B (zh) * | 2021-08-06 | 2022-06-21 | 住華科技股份有限公司 | 接著劑、偏光板結構及其製造方法 |
Citations (6)
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---|---|---|---|---|
WO2005033754A1 (ja) * | 2003-09-30 | 2005-04-14 | Nitto Denko Corporation | 偏光板の製造方法、偏光板、光学フィルムおよび画像表示装置 |
JP2008015483A (ja) * | 2006-06-09 | 2008-01-24 | Nitto Denko Corp | 偏光板用接着剤、偏光板、その製造方法、光学フィルムおよび画像表示装置 |
JP2008090271A (ja) * | 2006-09-06 | 2008-04-17 | Okura Ind Co Ltd | 偏光板の製造方法 |
JP2008257025A (ja) * | 2007-04-06 | 2008-10-23 | Sumitomo Chemical Co Ltd | 偏光板ならびにこれを備える光学部材および液晶表示装置 |
JP2012041533A (ja) * | 2010-08-13 | 2012-03-01 | Dongwoo Fine-Chem Co Ltd | 偏光板用接着剤組成物及びこれを利用した偏光板{adhesivecompositionforpolarizerandpolarizerusingthesame} |
JP2013114200A (ja) * | 2011-11-30 | 2013-06-10 | Cheil Industries Inc | 偏光板用接着剤組成物およびこれを用いた偏光板 |
Family Cites Families (4)
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JP3746797B2 (ja) | 1993-09-17 | 2006-02-15 | 住友化学株式会社 | 偏光板 |
JP4849563B2 (ja) * | 2007-08-07 | 2012-01-11 | 住友化学株式会社 | 偏光板およびその製造方法 |
JP4762320B2 (ja) * | 2009-02-20 | 2011-08-31 | 住友化学株式会社 | 液晶表示装置 |
KR101879833B1 (ko) * | 2011-09-01 | 2018-07-19 | 동우 화인켐 주식회사 | 편광판 및 이를 포함하는 액정표시장치 |
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2015
- 2015-02-02 KR KR1020150015914A patent/KR102282040B1/ko active IP Right Grant
- 2015-06-30 CN CN201580034603.6A patent/CN106471403B/zh active Active
- 2015-06-30 JP JP2016531405A patent/JP7121466B2/ja active Active
- 2015-07-02 TW TW104121454A patent/TWI690574B/zh active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005033754A1 (ja) * | 2003-09-30 | 2005-04-14 | Nitto Denko Corporation | 偏光板の製造方法、偏光板、光学フィルムおよび画像表示装置 |
JP2008015483A (ja) * | 2006-06-09 | 2008-01-24 | Nitto Denko Corp | 偏光板用接着剤、偏光板、その製造方法、光学フィルムおよび画像表示装置 |
JP2008090271A (ja) * | 2006-09-06 | 2008-04-17 | Okura Ind Co Ltd | 偏光板の製造方法 |
JP2008257025A (ja) * | 2007-04-06 | 2008-10-23 | Sumitomo Chemical Co Ltd | 偏光板ならびにこれを備える光学部材および液晶表示装置 |
JP2012041533A (ja) * | 2010-08-13 | 2012-03-01 | Dongwoo Fine-Chem Co Ltd | 偏光板用接着剤組成物及びこれを利用した偏光板{adhesivecompositionforpolarizerandpolarizerusingthesame} |
JP2013114200A (ja) * | 2011-11-30 | 2013-06-10 | Cheil Industries Inc | 偏光板用接着剤組成物およびこれを用いた偏光板 |
KR20130061052A (ko) * | 2011-11-30 | 2013-06-10 | 제일모직주식회사 | 편광판용 접착제 조성물 및 이것을 이용한 편광판 |
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Publication number | Publication date |
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KR102282040B1 (ko) | 2021-07-28 |
TW201610049A (zh) | 2016-03-16 |
TWI690574B (zh) | 2020-04-11 |
KR20160004187A (ko) | 2016-01-12 |
CN106471403B (zh) | 2021-03-16 |
CN106471403A (zh) | 2017-03-01 |
JP7121466B2 (ja) | 2022-08-18 |
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