JP6317816B2 - 粘着剤組成物 - Google Patents
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- JP6317816B2 JP6317816B2 JP2016529703A JP2016529703A JP6317816B2 JP 6317816 B2 JP6317816 B2 JP 6317816B2 JP 2016529703 A JP2016529703 A JP 2016529703A JP 2016529703 A JP2016529703 A JP 2016529703A JP 6317816 B2 JP6317816 B2 JP 6317816B2
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- C09J133/00—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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
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- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/80—Masked polyisocyanates
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- C08G18/8022—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3203 with polyols having at least three hydroxy groups
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- C08K5/0025—Crosslinking or vulcanising agents; including accelerators
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- 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
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- 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
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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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
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- C—CHEMISTRY; METALLURGY
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- C09J133/00—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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
- C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09J133/062—Copolymers with monomers not covered by C09J133/06
- C09J133/066—Copolymers with monomers not covered by C09J133/06 containing -OH groups
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- C09J133/00—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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
- C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09J133/08—Homopolymers or copolymers of acrylic acid esters
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- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
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- C09J9/00—Adhesives characterised by their physical nature or the effects produced, e.g. glue sticks
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3412—Heterocyclic compounds having nitrogen in the ring having one nitrogen atom in the ring
- C08K5/3432—Six-membered rings
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/544—Silicon-containing compounds containing nitrogen
- C08K5/5455—Silicon-containing compounds containing nitrogen containing at least one group
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/548—Silicon-containing compounds containing sulfur
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
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- Polymers & Plastics (AREA)
- Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Polarising Elements (AREA)
Description
したがって、耐久性とリワーク性とを同時に満足させるためには、初期粘着力は高くなければならず、加温粘着力(B)は初期粘着力(A)に比べてあまり高くないのが好ましい。
〔調製例1〕
窒素ガスが還流され、温度調節が容易となるように冷却装置を設置した1Lの反応器に、n−ブチルアクリレート(BA)86重量部、ベンジルメタクリレート(BzMA)8重量部、4−ヒドロキシブチルアクリレート(4−HBA)1重量部、アクリル酸(AA)5重量部からなる単量体混合物を投入した後、溶剤としてエチルアセテート(EAc)100重量部を投入した。次いで、酸素を除去するために窒素ガスを1時間パージした後、80℃に維持した。前記混合物を均一に混合した後、反応開始剤としてアゾビスイソブチロニトリル(AIBN)0.07重量部を投入して8時間反応させ、アクリル系共重合体(重量平均分子量が約100万)を調製した。
窒素ガスが還流され、温度調節が容易となるように冷却装置を設置した1Lの反応器に、n−ブチルアクリレート(BA)86重量部、メチルアクリレート(MA)8重量部、2−ヒドロキシエチルアクリレート1重量部、アクリル酸5重量部からなる単量体混合物を投入した後、溶剤としてエチルアセテート(EAc)100重量部を投入した。次いで、酸素を除去するために窒素ガスを1時間パージした後、62℃に維持した。前記混合物を均一に混合した後、反応開始剤としてアゾビスイソブチロニトリル(AIBN)0.07重量部を投入して8時間反応させ、アクリル系共重合体(重量平均分子量が約100万)を調製した。
前記調製例のアクリル系共重合体、架橋剤、シラン系化合物、及び帯電防止剤を、下記の表1の組成で混合した後、28重量%の濃度に希釈し、粘着剤組成物を調製した。
前記実施例及び比較例に従い調製した粘着剤組成物、粘着剤付き偏光板の物性を下記の方法にて測定し、その結果を下記の表2に表した。
粘着剤付き偏光板を25mm×100mmのサイズで切断して離型フィルムを剥離した後、ガラス基板(#1737、コーニング社製)に0.25MPaの圧力でラミネートし、オートクレーブ処理を施して試片を作製した。
製造された粘着剤付き偏光板を90mm×170mmの大きさで切断して離型フィルムを剥離した後、ガラス基板(110mm×190mm×0.7mm)の両面に光学吸収軸が直交するように付着し、試片を作製した。このとき、加えられた圧力は5kg/cm2であり、気泡や異物が生じないようにクリーンルーム作業を行なった。耐熱特性は、80℃の温度で1000時間放置した後、気泡や剥離の発生の有無を観察し、また、耐湿熱特性は、60℃の温度及び90%RHの条件下で1000時間放置した後、気泡や剥離の発生の有無を観察した。このとき、試片の状態を評価する直前に、室温で24時間放置した後に観察した。
◎:気泡や剥離なし
○:気泡や剥離<5個
△:5個≦気泡や剥離<10個
×:10個≦気泡や剥離
〔3.リワーク性〕
偏光板を幅25mm、長さ100mmの大きさで切り出し、離型フィルムを剥離した後、コーニング社製の#1737ガラスに0.25MPaの圧力でラミネートし、5気圧、50℃の条件で20分間オートクレーブ処理を施して評価サンプルを作製した。耐熱条件である80℃オーブンに入れてから10時間後に取り出して、室温で120時間放置した後、1.3cm/sの速度で剥離した。
−ガラス基板に粘着剤の残渣がなく、偏光板が破れることなくきれいに剥離:○
−パネルに粘着剤の残渣があるか、剥離過程で偏光板が破れる:×
Claims (9)
- 粘着剤付き偏光板の粘着剤層を形成するための粘着剤組成物であって、
25mm×100mm大きさの粘着剤付き偏光板をガラス基板に0.25MPaの圧力でラミネートしオートクレーブ処理を施して作製した試片を、万能引張試験機(UTM、Instron社製)にかけて剥離速度300mm/分、剥離角度180゜で粘着剤層を剥離し、
このとき、23℃、50%RHの条件下で24時間放置後に剥離する初期粘着力(A)に対する、50℃、50%RHの条件下で48時間放置後に剥離する加温粘着力(B)の比(B/A)が2.0以下であり、
前記初期粘着力及び加温粘着力は、23℃、50%RHの条件下で測定され、
前記粘着剤組成物は、アクリル系共重合体及び下記の化学式1〜6からなる群から選択された1種以上のシラン系化合物を含有する粘着剤組成物。
- 前記初期粘着力(A)に対する加温粘着力(B)の比(B/A)は1.5以下である請求項1に記載の粘着剤組成物。
- 前記初期粘着力は2〜10N/25mmである請求項1または2に記載の粘着剤組成物。
- 前記加温粘着力は2.5〜15N/25mmである請求項1または2に記載の粘着剤組成物。
- 前記シラン系化合物は、アクリル系共重合体100重量部に対して、0.01〜5重量部含有する請求項1に記載の粘着剤組成物。
- 前記粘着剤組成物は架橋剤を更に含有する請求項1に記載の粘着剤組成物。
- 前記架橋剤はトリレンジイソシアネート系のものである請求項6に記載の粘着剤組成物。
- 前記粘着剤組成物は帯電防止剤を更に含有する請求項1に記載の粘着剤組成物。
- 前記帯電防止剤は、フッ素含有有機塩又は無機塩の陰イオンを含有する請求項8に記載の粘着剤組成物。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2013-0086097 | 2013-07-22 | ||
| KR1020130086097A KR101391297B1 (ko) | 2013-07-22 | 2013-07-22 | 점착제 조성물 |
| PCT/KR2014/006447 WO2015012525A1 (ko) | 2013-07-22 | 2014-07-16 | 점착제 조성물 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2016528339A JP2016528339A (ja) | 2016-09-15 |
| JP6317816B2 true JP6317816B2 (ja) | 2018-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2016529703A Active JP6317816B2 (ja) | 2013-07-22 | 2014-07-16 | 粘着剤組成物 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US9624409B2 (ja) |
| EP (1) | EP3026090A4 (ja) |
| JP (1) | JP6317816B2 (ja) |
| KR (1) | KR101391297B1 (ja) |
| CN (1) | CN105683322B (ja) |
| TW (1) | TWI631198B (ja) |
| WO (1) | WO2015012525A1 (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150025701A (ko) * | 2013-08-30 | 2015-03-11 | 동우 화인켐 주식회사 | 점착제 조성물 및 이를 포함하는 편광판 |
| KR20150141448A (ko) * | 2014-06-10 | 2015-12-18 | 동우 화인켐 주식회사 | 대전 방지성 점착제 조성물 및 이를 이용하여 제조되는 편광판 |
| CN112912454B (zh) * | 2018-10-26 | 2023-09-22 | 汉高股份有限及两合公司 | 可再加工粘合剂组合物 |
| JP2022114080A (ja) * | 2021-01-26 | 2022-08-05 | Dic株式会社 | 粘着剤組成物、粘着層及び積層体。 |
| JP2022118392A (ja) * | 2021-02-02 | 2022-08-15 | Dic株式会社 | 粘着剤組成物、粘着層及び積層体 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63313793A (ja) | 1987-06-15 | 1988-12-21 | Nippon Paint Co Ltd | 金属キレ−ト化合物 |
| JP2693482B2 (ja) * | 1988-05-12 | 1997-12-24 | 日本ペイント株式会社 | 硬化性組成物 |
| JP3022993B2 (ja) | 1990-12-25 | 2000-03-21 | 日本合成化学工業株式会社 | 粘着剤層を有する偏光板 |
| KR100440478B1 (ko) * | 2002-02-07 | 2004-07-14 | 주식회사 엘지화학 | 아크릴계 점착제 수지 조성물 |
| KR100671400B1 (ko) * | 2004-04-22 | 2007-01-18 | 주식회사 엘지화학 | 편광판용 아크릴계 점착제 수지 조성물 |
| KR100784991B1 (ko) * | 2005-06-10 | 2007-12-11 | 주식회사 엘지화학 | 아크릴계 점착제 조성물 |
| KR100822142B1 (ko) | 2005-10-20 | 2008-04-14 | 주식회사 엘지화학 | 신규한 유기 실란 화합물 |
| CN102721992B (zh) * | 2006-09-13 | 2015-09-23 | 住友化学株式会社 | 涂布有粘合剂的光学膜 |
| JP5204612B2 (ja) * | 2007-12-20 | 2013-06-05 | 日東電工株式会社 | 光学フィルム用粘着剤組成物、粘着型光学フィルムおよび画像表示装置 |
| TWI447191B (zh) | 2008-07-01 | 2014-08-01 | Lg Chemical Ltd | 壓敏性膠黏劑組成物,偏光板和液晶顯示器 |
| KR20120038633A (ko) * | 2010-10-14 | 2012-04-24 | 동우 화인켐 주식회사 | 점착제 조성물, 이를 포함하는 편광판 및 액정표시장치 |
| JP2012117041A (ja) | 2010-11-12 | 2012-06-21 | Nitto Denko Corp | 粘着剤組成物、粘着剤層、及び、粘着テープ又はシート |
| JP5365609B2 (ja) * | 2010-11-22 | 2013-12-11 | 信越化学工業株式会社 | 粘着剤組成物、粘着偏光板及び液晶表示装置 |
| US20140037911A1 (en) * | 2011-04-15 | 2014-02-06 | Nitto Denko Corporation | Pressure-sensitive adhesive sheet |
| JP2013006936A (ja) * | 2011-06-23 | 2013-01-10 | Dongwoo Fine-Chem Co Ltd | 粘着剤組成物およびこれを含む偏光板 |
| KR20140023856A (ko) * | 2012-08-16 | 2014-02-27 | 동우 화인켐 주식회사 | 아크릴계 점착제 조성물 |
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2013
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- 2014-07-16 US US14/906,673 patent/US9624409B2/en active Active
- 2014-07-16 EP EP14828782.4A patent/EP3026090A4/en not_active Withdrawn
- 2014-07-16 WO PCT/KR2014/006447 patent/WO2015012525A1/ko not_active Ceased
- 2014-07-16 CN CN201480041824.1A patent/CN105683322B/zh active Active
- 2014-07-17 TW TW103124479A patent/TWI631198B/zh active
Also Published As
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|---|---|
| WO2015012525A1 (ko) | 2015-01-29 |
| KR101391297B1 (ko) | 2014-05-02 |
| US20160160095A1 (en) | 2016-06-09 |
| TW201510138A (zh) | 2015-03-16 |
| US9624409B2 (en) | 2017-04-18 |
| CN105683322A (zh) | 2016-06-15 |
| CN105683322B (zh) | 2018-06-22 |
| JP2016528339A (ja) | 2016-09-15 |
| EP3026090A4 (en) | 2017-03-15 |
| TWI631198B (zh) | 2018-08-01 |
| EP3026090A1 (en) | 2016-06-01 |
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