JP2012041454A - 粘着性組成物、粘着剤および粘着シート - Google Patents
粘着性組成物、粘着剤および粘着シート Download PDFInfo
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- JP2012041454A JP2012041454A JP2010184312A JP2010184312A JP2012041454A JP 2012041454 A JP2012041454 A JP 2012041454A JP 2010184312 A JP2010184312 A JP 2010184312A JP 2010184312 A JP2010184312 A JP 2010184312A JP 2012041454 A JP2012041454 A JP 2012041454A
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- Prior art keywords
- meth
- pressure
- acrylic acid
- sensitive adhesive
- acid ester
- 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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- 239000000853 adhesive Substances 0.000 title claims abstract description 67
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 67
- 239000000203 mixture Substances 0.000 title claims abstract description 57
- 229920003067 (meth)acrylic acid ester copolymer Polymers 0.000 claims abstract description 70
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 38
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims abstract description 34
- 239000012948 isocyanate Substances 0.000 claims abstract description 33
- 150000002513 isocyanates Chemical class 0.000 claims abstract description 33
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 32
- 230000003287 optical effect Effects 0.000 claims abstract description 27
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 21
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 122
- 229920001577 copolymer Polymers 0.000 claims description 69
- 239000000178 monomer Substances 0.000 claims description 50
- 239000010410 layer Substances 0.000 claims description 44
- 239000012790 adhesive layer Substances 0.000 claims description 24
- 238000004132 cross linking Methods 0.000 claims description 17
- 125000000524 functional group Chemical group 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 12
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 11
- 239000000470 constituent Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- -1 2-ethylhexyl Chemical group 0.000 description 20
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 17
- 238000006243 chemical reaction Methods 0.000 description 16
- 239000000243 solution Substances 0.000 description 15
- 230000000052 comparative effect Effects 0.000 description 14
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- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 9
- 239000002585 base Substances 0.000 description 9
- 238000005227 gel permeation chromatography Methods 0.000 description 9
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- 238000010438 heat treatment Methods 0.000 description 8
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- 239000005020 polyethylene terephthalate Substances 0.000 description 7
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 6
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 6
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
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- 238000002360 preparation method Methods 0.000 description 5
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- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
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- 239000005977 Ethylene Substances 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- DKPFZGUDAPQIHT-UHFFFAOYSA-N butyl acetate Chemical compound CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 3
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 3
- 125000004432 carbon atom Chemical group C* 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
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- 239000000126 substance Substances 0.000 description 3
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 description 2
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 description 2
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 description 2
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 2
- 239000004985 Discotic Liquid Crystal Substance Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 210000004027 cell Anatomy 0.000 description 2
- 238000010382 chemical cross-linking Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- ZQMIGQNCOMNODD-UHFFFAOYSA-N diacetyl peroxide Chemical compound CC(=O)OOC(C)=O ZQMIGQNCOMNODD-UHFFFAOYSA-N 0.000 description 2
- 238000007865 diluting Methods 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
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- HJOVHMDZYOCNQW-UHFFFAOYSA-N isophorone Chemical compound CC1=CC(=O)CC(C)(C)C1 HJOVHMDZYOCNQW-UHFFFAOYSA-N 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
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- 239000004800 polyvinyl chloride Substances 0.000 description 2
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- 238000010992 reflux Methods 0.000 description 2
- 239000005361 soda-lime glass Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
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- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 2
- DGVVWUTYPXICAM-UHFFFAOYSA-N β‐Mercaptoethanol Chemical compound OCCS DGVVWUTYPXICAM-UHFFFAOYSA-N 0.000 description 2
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 1
- FKTHNVSLHLHISI-UHFFFAOYSA-N 1,2-bis(isocyanatomethyl)benzene Chemical compound O=C=NCC1=CC=CC=C1CN=C=O FKTHNVSLHLHISI-UHFFFAOYSA-N 0.000 description 1
- GMLYXPGQZVOYNT-UHFFFAOYSA-N 1-ethoxy-2-(2-ethoxyethylperoxy)ethane Chemical group CCOCCOOCCOCC GMLYXPGQZVOYNT-UHFFFAOYSA-N 0.000 description 1
- AVTLBBWTUPQRAY-UHFFFAOYSA-N 2-(2-cyanobutan-2-yldiazenyl)-2-methylbutanenitrile Chemical compound CCC(C)(C#N)N=NC(C)(CC)C#N AVTLBBWTUPQRAY-UHFFFAOYSA-N 0.000 description 1
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 1
- VUDVPVOIALASLB-UHFFFAOYSA-N 2-[(2-cyano-1-hydroxypropan-2-yl)diazenyl]-3-hydroxy-2-methylpropanenitrile Chemical compound OCC(C)(C#N)N=NC(C)(CO)C#N VUDVPVOIALASLB-UHFFFAOYSA-N 0.000 description 1
- PFHOSZAOXCYAGJ-UHFFFAOYSA-N 2-[(2-cyano-4-methoxy-4-methylpentan-2-yl)diazenyl]-4-methoxy-2,4-dimethylpentanenitrile Chemical compound COC(C)(C)CC(C)(C#N)N=NC(C)(C#N)CC(C)(C)OC PFHOSZAOXCYAGJ-UHFFFAOYSA-N 0.000 description 1
- WYGWHHGCAGTUCH-UHFFFAOYSA-N 2-[(2-cyano-4-methylpentan-2-yl)diazenyl]-2,4-dimethylpentanenitrile Chemical compound CC(C)CC(C)(C#N)N=NC(C)(C#N)CC(C)C WYGWHHGCAGTUCH-UHFFFAOYSA-N 0.000 description 1
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 1
- KFGFVPMRLOQXNB-UHFFFAOYSA-N 3,5,5-trimethylhexanoyl 3,5,5-trimethylhexaneperoxoate Chemical compound CC(C)(C)CC(C)CC(=O)OOC(=O)CC(C)CC(C)(C)C KFGFVPMRLOQXNB-UHFFFAOYSA-N 0.000 description 1
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- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 1
- AGAIBVLCUXWQRE-UHFFFAOYSA-N 4-[(4-carboxy-2-cyanobutan-2-yl)diazenyl]-4-cyanopentanoic acid methyl 2-[(1-methoxy-2-methyl-1-oxopropan-2-yl)diazenyl]-2-methylpropanoate Chemical compound COC(=O)C(C)(C)N=NC(C)(C)C(=O)OC.OC(=O)CCC(C)(C#N)N=NC(C)(CCC(O)=O)C#N AGAIBVLCUXWQRE-UHFFFAOYSA-N 0.000 description 1
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Abstract
【解決手段】質量平均分子量が100万〜250万のカルボキシル基を含有する第1の(メタ)アクリル酸エステル共重合体(A)100質量部と、質量平均分子量が2万〜15万の水酸基を含有する第2の(メタ)アクリル酸エステル共重合体(B)10〜30質量部と、架橋性基が前記第2の(メタ)アクリル酸エステル共重合体(B)の水酸基の量に対して0.3〜0.9当量となる量含有するイソシアネート系架橋剤(C)と、シランカップリング剤(D)とを含有する粘着性組成物11。
【選択図】図1
Description
〔粘着性組成物〕
本実施形態に係る粘着性組成物は、質量平均分子量が100万〜250万の第1の(メタ)アクリル酸エステル共重合体(A)と、質量平均分子量が2万〜15万の第2の(メタ)アクリル酸エステル共重合体(B)と、イソシアネート系架橋剤(C)と、シランカップリング剤(D)とを含有する。なお、本明細書において、(メタ)アクリル酸エステルとは、アクリル酸エステル及びメタクリル酸エステルの両方を意味する。他の類似用語も同様である。
上記粘着性組成物は、第1の(メタ)アクリル酸エステル共重合体(A)と、第2の(メタ)アクリル酸エステル共重合体(B)とを混合するとともに、任意の段階でイソシアネート系架橋剤(C)及びシランカップリング剤(D)を添加することで製造することができる。
本実施形態に係る粘着剤は、上記粘着性組成物を架橋してなるものである。上記粘着性組成物の架橋は、加熱処理により行うことができる。なお、この加熱処理は、粘着性組成物の希釈溶媒等を揮発させる際の乾燥処理で兼ねることもできる。
図1に示すように、第1の実施形態に係る粘着シート1Aは、下から順に、剥離シート12と、剥離シート12の剥離面に積層された粘着剤層11と、粘着剤層11に積層された基材13とから構成される。
1.共重合体(A)の調製
攪拌機、温度計、還流冷却器、滴下装置および窒素導入管を備えた反応容器に、アクリル酸n−ブチル97.0質量部、アクリル酸3.0質量部、酢酸エチル200質量部、および2,2'−アゾビスイソブチロニトリル0.08質量部を仕込み、上記反応容器内の空気を窒素ガスで置換した。この窒素雰囲気下中で攪拌しながら、反応溶液を60℃に昇温し、16時間反応させた後、室温まで冷却した。ここで、得られた溶液の一部を後述する方法でGPC測定し、質量平均分子量150万の共重合体(A)の生成を確認した。
攪拌機、温度計、還流冷却器、滴下装置および窒素導入管を備えた反応容器に、アクリル酸n−ブチル85.0質量部、アクリル酸2−ヒドロキシエチル15.0質量部、酢酸エチル200質量部、2−メルカプトエタノール0.3質量部、および2,2'−アゾビスイソブチロニトリル0.16質量部を仕込み、上記反応容器内の空気を窒素ガスで置換した。この窒素雰囲気下中で攪拌しながら、反応溶液を70℃に昇温し、6時間反応させた後、室温まで冷却した。ここで、得られた溶液の一部を後述する方法でGPC測定し、質量平均分子量5万の共重合体(B)の生成を確認した。
上記工程(1)で得られた共重合体(A)100質量部(固形分換算値)と、上記工程(2)で得られた共重合体(B)15質量部(固形分換算値)とを混合した後、イソシアネート系架橋剤(C)として、共重合体(B)の水酸基0.6当量に相当する量(2.48質量部)のトリメチロールプロパンのトリレンジイソシアネート(TDI系)付加物(日本ポリウレタン社製,商品名「コロネートL」)を添加した。最後に、シランカップリング剤(D)として、3−グリシドキシプロピルトリメトキシシラン(信越化学社製,商品名「KBM403」)0.2質量部を添加し、十分に撹拌することにより、粘着性組成物の希釈溶液を得た。
BA:アクリル酸n−ブチル
AA:アクリル酸
HEA:アクリル酸2−ヒドロキシエチル
粘着性組成物を構成する各モノマーの種類および割合、架橋剤およびシランカップリング剤の種類および添加量、ならびに共重合体(A)および共重合体(B)の配合比を表1に示すように変更する以外、実施例1と同様にして粘着剤層付き偏光板を製造した。
実施例または比較例にて粘着剤層付き偏光板の作製に使用した偏光板に替えて、ポリエチレンテレフタレートフィルムの片面をシリコーン系剥離剤で剥離処理した剥離シート(リンテック社製,SP−PET3801,厚さ:38μm)を使用し、粘着シートを作製した。具体的には、実施例または比較例で得られた厚さ25μmの粘着剤層上に、剥離処理面側が接するように上記剥離シートを積層することにより、剥離シート/粘着剤層/剥離シートの構成からなる粘着シートを作製した。
実施例または比較例にて粘着剤層付き偏光板の作製に使用した偏光板に替えて、ポリエチレンテレフタレートフィルムの片面をシリコーン系剥離剤で剥離処理した剥離シート(リンテック社製,SP−PET3801,厚さ:38μm)を使用し、粘着シートを作製した。具体的には、実施例または比較例で得られた厚さ25μmの粘着剤層上に、剥離処理面側が接するように上記剥離シートを積層することにより、剥離シート/粘着剤層/剥離シートの構成からなる粘着シートを作製した。
実施例または比較例で得られた粘着剤層付き偏光板を、裁断装置(荻野製作所社製スーパーカッター,PN1−600)を用いて233mm×309mmサイズに調整した。剥離シートを剥がして、露出した粘着剤層を介して無アルカリガラス(コーニング社製,イーグルXG)に貼付したのち、栗原製作所製オートクレイブにて0.5MPa、50℃で、20分加圧した。
◎:4辺において、欠点が無いもの
○:4辺において、外周端部から0.6mm以上の部位に欠点が無いもの
×:4辺の少なくとも1辺において、外周端部から0.6mm以上の部位に、浮き、剥がれ、発泡、スジなどの0.1mm以上の粘着剤の外観異常欠点があるもの
<耐久条件>
・60℃,相対湿度90%
・80℃dry
実施例または比較例で得られた粘着剤層付き偏光板を、裁断装置(荻野製作所社製スーパーカッター,PN1−600)を用いて233mm×309mmサイズに調整した。剥離シートを剥がして、露出した粘着剤層を介して無アルカリガラス(コーニング社製,イーグルXG)に貼付したのち、栗原製作所製オートクレイブにて0.5MPa、50℃で、20分加圧した。なお、上記貼合は、無アルカリガラスの表裏に、粘着剤層付き偏光板を偏光軸がクロスニコル状態(偏光軸:∠45°,∠135°)になるように行った。この状態で、80℃dry環境下にて500時間放置後、以下に示す方法で光漏れ性を評価した。結果を表1に示す。
大塚電子社製のMCPD−2000を用い、図3に示す各領域の明度を測定し、明度差ΔL*を、式
ΔL*=[(b+c+d+e)/4]−a
(ただし、a、b、c、d及びeは、それぞれA領域、B領域、C領域、D領域及びE領域のあらかじめ定められた測定点(各領域の中央部1箇所)における明度である。)で求め、光漏れ性とした。ΔL*の値が小さいほど光漏れが少ないことを示す。また、上記b〜eの値のうち最も大きい値をL*maxとする。L*maxが大きいほど、局所的に強く光漏れする部分が存在することを意味する。
<測定条件>
・GPC測定装置:東ソー社製,HLC−8020
・GPCカラム(以下の順に通過):東ソー社製
TSK guard column HXL−H
TSK gel GMHXL(×2)
TSK gel G2000HXL
・測定溶媒:テトラヒドロフラン
・測定温度:40℃
11…粘着剤層
12,12a,12b…剥離シート
13…基材
Claims (8)
- 質量平均分子量が100万〜250万の第1の(メタ)アクリル酸エステル共重合体(A)と、
質量平均分子量が2万〜15万の第2の(メタ)アクリル酸エステル共重合体(B)と、
イソシアネート系架橋剤(C)と、
シランカップリング剤(D)と
を含有する粘着性組成物であって、
前記第1の(メタ)アクリル酸エステル共重合体(A)100質量部に対する前記第2の(メタ)アクリル酸エステル共重合体(B)の割合は、10〜30質量部であり、
前記第1の(メタ)アクリル酸エステル共重合体(A)は、反応性官能基としてカルボキシル基を有するモノマーを構成成分として含有し、さらに、前記カルボキシル基を有するモノマーの割合は、当該第1の(メタ)アクリル酸エステル共重合体(A)中において2.0〜6.0質量%であり、
前記第2の(メタ)アクリル酸エステル共重合体(B)は、反応性官能基として水酸基を有するモノマーを構成成分として含有し、さらに、前記水酸基を有するモノマーの割合は、当該第2の(メタ)アクリル酸エステル共重合体(B)中において10.0〜20.0質量%であり、
前記イソシアネート系架橋剤(C)の含有量は、当該イソシアネート系架橋剤(C)の有する架橋性基が前記第2の(メタ)アクリル酸エステル共重合体(B)における前記水酸基の量に対して0.3〜0.9当量となる量である
ことを特徴とする粘着性組成物。 - 前記粘着性組成物中における前記第1の(メタ)アクリル酸エステル共重合体(A)のカルボキシル基を有するモノマーの含有量に対する、前記粘着性組成物中における前記第2の(メタ)アクリル酸エステル共重合体(B)の水酸基を有するモノマーの含有量の比率は、モル比として0.3〜0.9であることを特徴とする請求項1に記載の粘着性組成物。
- 前記イソシアネート系架橋剤(C)の含有量は、前記第2の(メタ)アクリル酸エステル共重合体(B)100質量部に対して7.5〜26質量部となる量であることを特徴とする請求項1または2に記載の粘着性組成物。
- 請求項1〜3のいずれか一項に記載の粘着性組成物を架橋してなる粘着剤。
- 製造後に23℃、50%RHの条件下で7日間保管した時のゲル分率が50〜80%であることを特徴とする請求項4に記載の粘着剤。
- 基材と、粘着剤層とを備えた粘着シートであって、
前記粘着剤層は、請求項4または5に記載の粘着剤からなる
ことを特徴とする粘着シート。 - 前記基材は、光学部材であることを特徴とする請求項6に記載の粘着シート。
- 2枚の剥離シートと、
前記2枚の剥離シートの剥離面と接するように前記剥離シートに挟持された粘着剤層と
を備えた粘着シートであって、
前記粘着剤層は、請求項4または5に記載の粘着剤からなる
ことを特徴とする粘着シート。
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JP2013194151A (ja) * | 2012-03-21 | 2013-09-30 | Sumitomo Chemical Co Ltd | 粘着剤シート、粘着剤付き光学フィルム及び光学積層体 |
JP2013194152A (ja) * | 2012-03-21 | 2013-09-30 | Sumitomo Chemical Co Ltd | 粘着剤シート、粘着剤付き光学フィルム及び光学積層体 |
WO2015147498A1 (ko) * | 2014-03-26 | 2015-10-01 | 동우 화인켐 주식회사 | 점착제 조성물 및 이를 포함하는 편광판 |
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JP5638439B2 (ja) * | 2011-03-31 | 2014-12-10 | リンテック株式会社 | 粘着剤および粘着シート |
JP5611880B2 (ja) * | 2011-03-31 | 2014-10-22 | リンテック株式会社 | 粘着剤および粘着シート |
JP5758673B2 (ja) * | 2011-03-31 | 2015-08-05 | リンテック株式会社 | 粘着剤および粘着シート |
JP5882107B2 (ja) * | 2012-03-30 | 2016-03-09 | リンテック株式会社 | 粘着性組成物、粘着剤および粘着シート |
TW201410825A (zh) * | 2012-09-14 | 2014-03-16 | Zheng-Ren Cai | 固定電子零件用膠帶之膠層與結構 |
JP6068543B2 (ja) * | 2015-03-31 | 2017-01-25 | 日東電工株式会社 | 液晶パネル及び画像表示装置 |
JP7030436B2 (ja) * | 2016-09-29 | 2022-03-07 | 日東電工株式会社 | 粘着剤層付偏光フィルム及び画像表示装置 |
CN106520034A (zh) * | 2016-11-02 | 2017-03-22 | 深圳市胜宝莱光电科技有限公司 | 反射型高耐久偏光片用压敏胶及应用该压敏胶的偏光片 |
JP6931732B1 (ja) * | 2020-08-18 | 2021-09-08 | グンゼ株式会社 | 画像表示装置用粘着シート |
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JP3533589B2 (ja) * | 1997-04-09 | 2004-05-31 | 綜研化学株式会社 | 偏光板用粘着剤組成物および偏光板 |
JP2000109771A (ja) * | 1998-10-07 | 2000-04-18 | Lintec Corp | 粘着シート |
JP4392925B2 (ja) | 1999-12-27 | 2010-01-06 | 株式会社日本触媒 | 粘着剤用ポリマー、該ポリマーの製造方法および該粘着剤用ポリマーを用いた粘着製品 |
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JP2013194152A (ja) * | 2012-03-21 | 2013-09-30 | Sumitomo Chemical Co Ltd | 粘着剤シート、粘着剤付き光学フィルム及び光学積層体 |
WO2015147498A1 (ko) * | 2014-03-26 | 2015-10-01 | 동우 화인켐 주식회사 | 점착제 조성물 및 이를 포함하는 편광판 |
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