JP5728804B2 - 熱硬化性接着組成物、熱硬化性接着シート、その製造方法及び補強フレキシブルプリント配線板 - Google Patents
熱硬化性接着組成物、熱硬化性接着シート、その製造方法及び補強フレキシブルプリント配線板 Download PDFInfo
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Description
該アクリル系共重合体(A)が、エポキシ基非含有(メタ)アクリル酸エステルモノマー(a)65〜75質量%、アクリロニトリルモノマー(b)20〜35質量%及びエポキシ基含有(メタ)アクリル酸エステルモノマー(c)1〜10質量%を共重合させたものであり、
該エポキシ樹脂用硬化剤が、平均粒子径0.5〜15μmの有機酸ジヒドラジド粒子である熱硬化性接着組成物を提供する。なお、本明細書において、「(メタ)アクリル」なる用語は、「メタクリル又はアクリル」という意味で用いている。
熱硬化性接着層形成用塗料を、基材フィルム上に塗布し、乾燥することにより熱硬化性接着層を形成する工程
を含んでなる製造方法を提供する。
まず、本発明の熱硬化性接着組成物をメチルエチルケトン、トルエン等の有機溶剤に塗布法に応じた粘度となるように投入し、エポキシ樹脂用硬化剤(C)を有機溶剤中に分散させ、他方アクリル共重合体(A)及びエポキシ樹脂(B)を有機溶剤中に溶解させることにより熱硬化性接着層形成用塗料を調製する。この場合、室温下で全有機酸ジヒドラジド粒子の70質量%が熱硬化性接着層形成用塗料中に固体粒子として分散していることが好ましい。熱硬化性接着シートの常温保管性を高めるためである。
次に、熱硬化性接着層形成用塗料を、基材フィルム上にバーコーター、ロールコーターにより乾燥厚が10〜50μmとなるように塗布し、常法により乾燥することにより熱硬化性接着層を形成する。これにより熱硬化性接着シートを得ることができる。
(1)アクリル系共重合体の調製
表1及び表2に示したモノマーからなるアクリル系共重合体を用意した。これらのアクリル系共重合体の重量平均分子量を表1及び表2に示した。
得られたアクリル系共重合体溶液に、表1及び表2の配合割合でエポキシ樹脂(B)及びエポキシ樹脂用硬化剤(C)として有機酸ジヒドラジドとを添加し、均一に混合することにより熱硬化性接着組成物として、熱硬化性接着層形成用塗料を調製した。得られた塗料の粘度をB型粘度計により測定し、表1及び表2に示した。
得られた熱硬化性接着層形成用塗料を、剥離処理が施されたポリエチレンテレフタレートフィルムに塗布し、50〜130℃の乾燥炉中で乾燥し、35μm厚の熱硬化性接着層を形成することにより、熱硬化性接着シートを作成した。
上述の熱硬化性接着シートの作製の際、熱硬化性接着層形成用塗料の塗布性について、以下の基準に従って評価した。得られた評価結果を表1及び表2に示す。
A:塗布中に筋は引かないが、乾燥後のフィルムに硬化剤粒子が観察される場合
B:塗布筋があり、厚みも不均一である場合
C:溶液がゲル状となり、塗布が不可能な場合
得られた直後の熱硬化性接着シートを所定の大きさの短冊(5cm×10cm)にカットし、その熱硬化性接着層を、175μm厚のポリイミドフィルム(175AH、カネカ(株)製)に80℃に設定したラミネーターで仮貼りした後、基材フィルムを取り除いて熱硬化性接着層を露出させた。露出した熱硬化性接着層に対し、同じ大きさの50μm厚のポリイミドフィルム(200H、デュポン社)を上から重ね合わせ、170℃で2.0MPaの圧力で60秒間加熱加圧した後、140℃のオーブン中に60分間保持した。
*4:グリシジルメタクリレート、*5:2−ヒドロキシエチルメタクリレート、*6:アクリル酸、
*7:アジピン酸ジヒドラジド、*8:7,11−オクタデカジエン−1,18−ジカルボヒドラジド
*9:jER828、ジャパンエポキシレジン社、*10:jER154、ジャパンエポキシレジン社
実施例1〜7の熱硬化性接着シートは、アクリル系共重合体(A)が、エポキシ基非含有(メタ)アクリル酸エステルモノマー(a)65〜75質量%、アクリロニトリルモノマー(b)20〜35質量%及びエポキシ基含有(メタ)アクリル酸エステルモノマー(c)1〜10質量%を共重合させたものであり、エポキシ樹脂用硬化剤が、平均粒子径0.5〜15μmの有機酸ジヒドラジド粒子であるので、塗布性も初期剥離強度、常温保管特性も満足のいくものであった。
実施例1〜10及び比較例2〜8の熱硬化性接着シートを使用して以下に説明するように補強フレキシブルプリント配線板を作製した。
短冊(2cm×2cm)にカットした熱硬化性接着シートの熱硬化性接着層を、175μm厚のポリイミドフィルム(アピカル175AH、カネカ(株)製)に80℃に設定したラミネーターで仮張りした後、剥離基材を取り除いて熱硬化性接着層を露出させた。露出した熱硬化性接着層に対し、同じ大きさの厚さ50μm厚のポリイミドフィルム(カプトン200H、デュポン社製)を上から重ね合わせ、170℃で2.0MPaの圧力で60秒間加熱加圧した後、140度のオーブン中で60分間保持した。その後、加熱硬化した試験片を40℃、90%RHの湿熱オーブン中で96時間放置した。
Claims (5)
- アクリル系共重合体(A)、エポキシ樹脂(B)及びエポキシ樹脂用硬化剤(C)を含有する熱硬化性接着組成物であって、
該アクリル系共重合体(A)が、400000〜700000の重量平均分子量を有し、水酸基及び遊離カルボキシル基を含有しないエポキシ基非含有(メタ)アクリル酸エステルモノマー(a)65〜75質量%と、アクリロニトリルモノマー(b)20〜35質量%と、水酸基及び遊離カルボキシル基を含有しないエポキシ基含有(メタ)アクリル酸エステルモノマー(c)1〜10質量%とを共重合させたものであり、
該エポキシ樹脂用硬化剤が、平均粒子径1〜5μmの有機酸ジヒドラジド粒子であり、
アクリル系共重合体(A)100質量部に対し、エポキシ樹脂(B)を5〜30質量部、アクリル系共重合体(A)及びエポキシ樹脂(B)の合計100質量部に対し、エポキシ樹脂用硬化剤を4〜20質量部含有する熱硬化性接着組成物。 - 有機酸ジヒドラジドが、アジピン酸ジヒドラジドまたは7,11−オクタデカジエン−1,18−ジカルボヒドラジドである請求項1記載の熱硬化性接着組成物。
- 基材フィルム上に、請求項1又は2記載の熱硬化性接着組成物からなる熱硬化性接着層が形成されてなる熱硬化性接着シート。
- 請求項3記載の熱硬化性接着シートの製造方法であって、
請求項1又は2記載の熱硬化性接着組成物を有機溶剤に投入し、エポキシ樹脂用硬化剤(C)を有機溶媒中に分散させ、他方アクリル共重合体(A)及びエポキシ樹脂(B)を有機溶剤中に溶解させることにより熱硬化性接着層形成用塗料を調製する工程、及び
熱硬化性接着層形成用塗料を、基材フィルム上に塗布し、乾燥することにより熱硬化性接着層を形成する工程
を含んでなる製造方法。 - フレキシブルプリント配線板の端子部が補強用樹脂シートで裏打ちされている補強フレキシブルプリント配線板であって、該端子部と該補強用樹脂シートとが、請求項3記載の熱硬化性接着シートの基材フィルムを除いた熱硬化性接着層の熱硬化物で接着固定されてなる補強フレキシブルプリント配線板。
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009233278A JP5728804B2 (ja) | 2009-10-07 | 2009-10-07 | 熱硬化性接着組成物、熱硬化性接着シート、その製造方法及び補強フレキシブルプリント配線板 |
| PCT/JP2010/062492 WO2011043119A1 (ja) | 2009-10-07 | 2010-07-26 | 熱硬化性接着組成物、熱硬化性接着シート、その製造方法及び補強フレキシブルプリント配線板 |
| HK12109993.4A HK1169135B (en) | 2009-10-07 | 2010-07-26 | Thermosetting adhesive composition, thermosetting adhesive sheet, method for producing same, and reinforced flexible printed wiring board |
| CN201510763270.2A CN105331308B (zh) | 2009-10-07 | 2010-07-26 | 热固性粘接组合物、热固性粘接片材、其制造方法及增强柔性印刷布线板 |
| KR1020127009008A KR101702694B1 (ko) | 2009-10-07 | 2010-07-26 | 열경화성 접착 조성물, 열경화성 접착 시트, 그 제조 방법 및 보강 플렉시블 인쇄 배선판 |
| CN201080045247.5A CN102549097B (zh) | 2009-10-07 | 2010-07-26 | 热固性粘接组合物、热固性粘接片材、其制造方法及增强柔性印刷布线板 |
| TW099126891A TWI565772B (zh) | 2009-10-07 | 2010-08-12 | Thermosetting followed by composition, thermosetting followed by sheet, method for producing the same, and a reinforcing flexible printed wiring board |
| HK16109624.7A HK1221481A1 (zh) | 2009-10-07 | 2016-08-12 | 热固性粘接组合物、热固性粘接片材、其制造方法及增强柔性印刷布线板 |
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| JP5770995B2 (ja) | 2010-12-01 | 2015-08-26 | デクセリアルズ株式会社 | 熱硬化性樹脂組成物、熱硬化性接着シート及び熱硬化性接着シートの製造方法 |
| KR101374365B1 (ko) * | 2010-12-27 | 2014-03-17 | 제일모직주식회사 | 반도체용 접착 조성물 및 이를 포함하는 접착 필름 |
| JP5946688B2 (ja) * | 2011-04-26 | 2016-07-06 | 積水化学工業株式会社 | 後硬化テープ及び接合部材の接合方法 |
| JP6239223B2 (ja) * | 2011-11-18 | 2017-11-29 | 大日本印刷株式会社 | 接着剤組成物およびそれを用いた接着シート |
| CN102585745A (zh) * | 2012-02-21 | 2012-07-18 | 绵阳艾萨斯电子材料有限公司 | 封框胶及其制备方法与应用 |
| JP5978782B2 (ja) * | 2012-06-06 | 2016-08-24 | デクセリアルズ株式会社 | 熱硬化性接着組成物、熱硬化性接着シート及び補強フレキシブルプリント配線板 |
| JP5842736B2 (ja) * | 2012-06-06 | 2016-01-13 | デクセリアルズ株式会社 | 熱硬化性樹脂組成物、熱硬化性接着シート及び熱硬化性接着シートの製造方法 |
| CN103509509A (zh) * | 2013-01-16 | 2014-01-15 | 上海都为电子有限公司 | 硅块切割用室温快速固化单组份厌氧胶 |
| JP6429103B2 (ja) * | 2013-06-19 | 2018-11-28 | 大日本印刷株式会社 | 粘着剤組成物およびそれを用いた粘着フィルム |
| JP6243764B2 (ja) * | 2014-03-18 | 2017-12-06 | デクセリアルズ株式会社 | 可撓性実装モジュール体の製造方法 |
| WO2016076096A1 (ja) * | 2014-11-12 | 2016-05-19 | デクセリアルズ株式会社 | 熱硬化性接着組成物 |
| JP6542526B2 (ja) * | 2014-11-12 | 2019-07-10 | デクセリアルズ株式会社 | 熱硬化性接着組成物、及び熱硬化性接着シート |
| JP6517032B2 (ja) * | 2015-02-06 | 2019-05-22 | デクセリアルズ株式会社 | 熱硬化性接着組成物、及び熱硬化性接着シート |
| CN107409470B (zh) | 2015-03-26 | 2019-07-30 | 迪睿合株式会社 | 挠性安装模块体的制造方法 |
| JP6237906B2 (ja) * | 2015-03-31 | 2017-11-29 | 東レ株式会社 | 電子部品用樹脂シート、保護フィルム付電子部品用樹脂シートならびに半導体装置およびその製造方法 |
| EP3098058B1 (en) * | 2015-05-25 | 2019-10-30 | Grupo Antolin-Ingenieria, S.A. | Process for manufacturing vehicle headliners |
| CN106867435B (zh) * | 2015-12-11 | 2019-03-08 | 华烁科技股份有限公司 | 一种挠性印制电路聚酰亚胺补强板用改性丙烯酸酯胶粘剂及其应用 |
| JP6721325B2 (ja) * | 2015-12-14 | 2020-07-15 | デクセリアルズ株式会社 | 熱硬化性接着シート、及び半導体装置の製造方法 |
| JP7074033B2 (ja) * | 2018-11-22 | 2022-05-24 | 三菱ケミカル株式会社 | 粘接着剤層、粘接着シート及び積層体 |
| JP7447565B2 (ja) * | 2020-03-10 | 2024-03-12 | 三菱ケミカル株式会社 | 粘接着剤組成物、粘接着剤、粘接着シート及び積層体 |
| CN118755413B (zh) * | 2024-06-24 | 2025-04-08 | 上海镭利电子材料有限公司 | 一种丙烯酸酯纯胶 |
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| JPH01113476A (ja) * | 1987-10-28 | 1989-05-02 | Nissan Motor Co Ltd | エポキシ系接着剤組成物 |
| JPH0793497B2 (ja) | 1991-06-19 | 1995-10-09 | 信越化学工業株式会社 | ボンディングシート |
| JP3292437B2 (ja) * | 1995-11-16 | 2002-06-17 | 松下電器産業株式会社 | 導通接着方法 |
| JP3807808B2 (ja) * | 1996-03-29 | 2006-08-09 | ソマール株式会社 | コイル固着用一液性エポキシ樹脂組成物 |
| AU711287B2 (en) * | 1996-05-16 | 1999-10-07 | Minnesota Mining And Manufacturing Company | Adhesive compositions and methods of use |
| JP3543613B2 (ja) * | 1998-04-10 | 2004-07-14 | 株式会社スリーボンド | 一液加熱硬化型水性エポキシ樹脂組成物 |
| DE60025720T2 (de) * | 1999-06-18 | 2006-11-09 | Hitachi Chemical Co., Ltd. | Klebstoff, klebstoffgegenstand, schaltungssubstrat für halbleitermontage mit einem klebstoff und eine halbleiteranordnung die diesen enthält |
| JP4556472B2 (ja) * | 1999-06-18 | 2010-10-06 | 日立化成工業株式会社 | 接着剤、接着部材、接着部材を備えた半導体搭載用配線基板及びこれを用いた半導体装置 |
| JP2005089629A (ja) * | 2003-09-18 | 2005-04-07 | Ricoh Co Ltd | 導電性接着剤 |
| JP2005281553A (ja) * | 2004-03-30 | 2005-10-13 | Toray Ind Inc | 半導体装置用接着剤組成物およびそれを用いた半導体装置用接着剤シート |
| JP4733444B2 (ja) | 2005-06-30 | 2011-07-27 | 日東電工株式会社 | 接着組成物及び接着シート |
| CN102675599B (zh) * | 2006-10-06 | 2014-12-03 | 日立化成株式会社 | 半导体装置的制造方法 |
| JP2008308682A (ja) * | 2007-05-15 | 2008-12-25 | Hitachi Chem Co Ltd | 回路接続材料 |
| CN102850982A (zh) * | 2007-10-05 | 2013-01-02 | 日立化成工业株式会社 | 粘接剂组合物和使用该组合物的电路连接膜,以及电路部件的连接方法和电路连接体 |
| JP4631979B2 (ja) * | 2009-02-16 | 2011-02-16 | 日立化成工業株式会社 | 回路部材接続用接着剤並びに回路板及びその製造方法 |
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| TWI565772B (zh) | 2017-01-11 |
| CN102549097A (zh) | 2012-07-04 |
| HK1169135A1 (zh) | 2013-01-18 |
| TW201113340A (en) | 2011-04-16 |
| KR20120092594A (ko) | 2012-08-21 |
| HK1221481A1 (zh) | 2017-06-02 |
| WO2011043119A1 (ja) | 2011-04-14 |
| CN105331308A (zh) | 2016-02-17 |
| KR101702694B1 (ko) | 2017-02-06 |
| JP2011079959A (ja) | 2011-04-21 |
| CN105331308B (zh) | 2017-11-28 |
| CN102549097B (zh) | 2015-12-02 |
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