JP7158800B2 - 粘着剤組成物、これを含む粘着フィルム、粘着フィルムを含むバックプレートフィルムおよび粘着フィルムを含むプラスチック有機発光ディスプレイ - Google Patents
粘着剤組成物、これを含む粘着フィルム、粘着フィルムを含むバックプレートフィルムおよび粘着フィルムを含むプラスチック有機発光ディスプレイ Download PDFInfo
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- JP7158800B2 JP7158800B2 JP2020543785A JP2020543785A JP7158800B2 JP 7158800 B2 JP7158800 B2 JP 7158800B2 JP 2020543785 A JP2020543785 A JP 2020543785A JP 2020543785 A JP2020543785 A JP 2020543785A JP 7158800 B2 JP7158800 B2 JP 7158800B2
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- XVKKIGYVKWTOKG-UHFFFAOYSA-N diphenylphosphoryl(phenyl)methanone Chemical compound C=1C=CC=CC=1P(=O)(C=1C=CC=CC=1)C(=O)C1=CC=CC=C1 XVKKIGYVKWTOKG-UHFFFAOYSA-N 0.000 description 1
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- Y10T428/2891—Adhesive compositions including addition polymer from unsaturated monomer including addition polymer from alpha-beta unsaturated carboxylic acid [e.g., acrylic acid, methacrylic acid, etc.] Or derivative thereof
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- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Adhesive Tapes (AREA)
- Electroluminescent Light Sources (AREA)
Description
Xは、NまたはOであり、
R1は、水素またはメチル基であり、
nは、10~30の整数である。
のホスフィンオキシド系化合物;3,3’-カルボニルビニル-7-(ジエチルアミノ)クマリン、3-(2-ベンゾチアゾリル)-7-(ジエチルアミノ)クマリン、3-ベンゾイル-7-(ジエチルアミノ)クマリン、3-ベンゾイル-7-メトキシ-クマリン、または10,10’-カルボニルビス[1,1,7,7-テトラメチル-2,3,6,7-テトラヒドロ-1H,5H,11H-Cl]-ベンゾピラノ[6,7,8-ij]-キノリジン-11-オンなどのクマリン系化合物などを単独使用するか、2以上を混合して使用することができるが、これに限定されない。
<製造例1>(メタ)アクリレート系樹脂の重合
エチルヘキシルアクリレート(EHA、Ethylhexylacrylate)/メチルメタクリレート(MMA、Methylmethacrylate)/N-ビニルピロリドン(VP、N-Vinylpyrrolidone)/ヒドロキシエチルアクリレート(HEA、hydroxyethylacrylate)を70/20/5/5の重量比で酢酸エチル(EA、Ethyl Acetate)に投入した後に、熱重合開始剤であるアゾビスイソブチロニトリル(AIBN)を投入して、重量平均分子量100万g/molである(メタ)アクリレート系樹脂を製造した。
下記表1の組成および重量比を有する物質をトルエンに投入した後、熱重合開始剤であるAIBN(アゾビスイソブチロニトリル)を投入して、下記表1の溶融温度(Tm)、重量平均分子量を満足する重合体を製造した。
イソシアネート架橋剤(Sam Youngインク社のDR7030HD)を前記製造例1で製造された(メタ)アクリレート系樹脂100重量部に対して1重量部添加した後、前記製造例2で製造された重合体を下記表2の重量部の比率で添加した後、トルエン溶液で固形分が20%となるように希釈した。
102:粘着シート
103:粘着フィルム
104:保護フィルム
105:バックプレートフィルム
106:プラスチック基板
107:有機発光層
Claims (13)
- (メタ)アクリレート系樹脂;および
溶融温度(melting temperature、Tm)が35℃以上45℃以下である重合体;
を含む粘着剤組成物であって、
前記重合体は、単官能ポリシロキサンおよび2種以上のモノマーの共重合体であり、
前記溶融温度が35℃以上45℃以下である重合体は、前記溶融温度が35℃以上45℃以下である重合体100重量部基準で、前記単官能ポリシロキサン10重量部以上40重量部以下、および前記モノマー60重量部以上90重量部以下で含まれるものであり、
前記粘着剤組成物は、(メタ)アクリレート系樹脂100重量部基準で、前記溶融温度が35℃以上45℃以下である重合体1~10重量部を含み、
前記溶融温度が35℃以上45℃以下である重合体の重量平均分子量は、3万~20万であり、
前記モノマーは、下記化学式1で表されるものであり、
前記単官能ポリシロキサンは、ポリジメチルシロキサン骨格を有し、片末端に(メタ)アクリロキシ基を有する、粘着剤組成物(ただし、前記重合体の溶融温度が45℃の場合を除く):
Xは、Oであり、
R1は、水素またはメチル基であり、
nは、10~30の整数である。 - 前記nが16~22の整数である、請求項1に記載の粘着剤組成物。
- 前記2種以上のモノマーは、STMA(ステアリルメタクリレート)およびSTA(ステアリルアクリレート)を含む、請求項1に記載の粘着剤組成物。
- 溶媒、分散剤、光開始剤、熱開始剤、および粘着付与剤からなる群より選択された1つ以上を追加的に含むものである、請求項1~3のいずれか一項に記載の粘着剤組成物。
- 基材フィルムと、
前記基材フィルムの一面に備えられた請求項1~4のいずれか1項に記載の粘着剤組成物またはその硬化物を含む粘着シートと、
を含む粘着フィルム。 - 前記粘着シートの前記基材フィルムが接する面の反対面に離型フィルムをさらに含む、請求項5に記載の粘着フィルム。
- 前記粘着シートの前記基材フィルムと接する面の反対面をステンレス(SUS304基板)に対して接合後の23℃で2時間放置後の初期粘着力が100gf/2.54cm(インチ)以下であり、その後、40℃で20分熱処理した後の後期粘着力が500gf/2.54cm(インチ)以上である、請求項5または6に記載の粘着フィルム。
- 前記後期粘着力/前記初期粘着力が3以上50以下である、請求項7に記載の粘着フィルム。
- 前記粘着シートの厚さは、3μm以上100μm以下である、請求項5~8のいずれか一項に記載の粘着フィルム。
- 前記粘着フィルムの厚さは、50μm以上300μm以下である、請求項5~9のいずれか一項に記載の粘着フィルム。
- 請求項5~10のいずれか一項に記載の粘着フィルムと、
前記粘着フィルムの前記基材フィルム側に備えられた保護フィルムと、
を含むバックプレートフィルム。 - 請求項5~10のいずれか一項に記載の粘着フィルムと、
前記粘着フィルムの前記粘着シート側に備えられたプラスチック基板と、
前記プラスチック基板の前記粘着フィルムと接する面の反対面に備えられた有機発光層と、
を含むプラスチック有機発光ディスプレイ。 - 前記粘着フィルムの前記基材フィルム側に備えられた保護フィルムを含むものである、請求項12に記載のプラスチック有機発光ディスプレイ。
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KR1020180087776A KR102293549B1 (ko) | 2018-07-27 | 2018-07-27 | 점착제 조성물, 이를 포함하는 점착 필름, 점착 필름을 포함하는 백플레이트 필름 및 점착 필름을 포함하는 플라스틱 유기 발광 디스플레이 |
KR10-2018-0087776 | 2018-07-27 | ||
PCT/KR2019/009416 WO2020022859A1 (ko) | 2018-07-27 | 2019-07-29 | 점착제 조성물, 이를 포함하는 점착 필름, 점착 필름을 포함하는 백플레이트 필름 및 점착 필름을 포함하는 플라스틱 유기 발광 디스플레이 |
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EP (1) | EP3750965B1 (ja) |
JP (1) | JP7158800B2 (ja) |
KR (1) | KR102293549B1 (ja) |
CN (1) | CN111770975B (ja) |
TW (1) | TWI779222B (ja) |
WO (1) | WO2020022859A1 (ja) |
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KR102290640B1 (ko) | 2018-07-27 | 2021-08-17 | 주식회사 엘지화학 | 점착제 조성물, 이를 포함하는 점착 필름, 점착 필름을 포함하는 백플레이트 필름 및 점착 필름을 포함하는 플라스틱 유기 발광 디스플레이 |
KR102290639B1 (ko) | 2018-07-27 | 2021-08-17 | 주식회사 엘지화학 | 점착제 조성물, 이를 포함하는 점착 필름, 점착 필름을 포함하는 백플레이트 필름 및 점착 필름을 포함하는 플라스틱 유기 발광 디스플레이 |
KR102293550B1 (ko) | 2018-07-27 | 2021-08-24 | 주식회사 엘지화학 | 점착제 조성물, 이를 포함하는 점착 필름, 점착 필름을 포함하는 백플레이트 필름 및 점착 필름을 포함하는 플라스틱 유기 발광 디스플레이 |
KR102290629B1 (ko) | 2018-07-27 | 2021-08-17 | 주식회사 엘지화학 | 점착제 조성물, 이를 포함하는 점착 필름, 점착 필름을 포함하는 백플레이트 필름 및 점착 필름을 포함하는 플라스틱 유기 발광 디스플레이 |
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EP3750965B1 (en) | 2023-05-24 |
TW202014496A (zh) | 2020-04-16 |
KR102293549B1 (ko) | 2021-08-24 |
KR20200012451A (ko) | 2020-02-05 |
EP3750965A1 (en) | 2020-12-16 |
US11787979B2 (en) | 2023-10-17 |
CN111770975B (zh) | 2022-09-13 |
EP3750965A4 (en) | 2021-09-01 |
WO2020022859A1 (ko) | 2020-01-30 |
TWI779222B (zh) | 2022-10-01 |
CN111770975A (zh) | 2020-10-13 |
JP2021514413A (ja) | 2021-06-10 |
US20210087435A1 (en) | 2021-03-25 |
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