JP2017538800A - 接着用樹脂組成物、接着用フィルムおよびフレキシブル金属積層体 - Google Patents
接着用樹脂組成物、接着用フィルムおよびフレキシブル金属積層体 Download PDFInfo
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- JP2017538800A JP2017538800A JP2017521135A JP2017521135A JP2017538800A JP 2017538800 A JP2017538800 A JP 2017538800A JP 2017521135 A JP2017521135 A JP 2017521135A JP 2017521135 A JP2017521135 A JP 2017521135A JP 2017538800 A JP2017538800 A JP 2017538800A
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- styrene
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- C—CHEMISTRY; METALLURGY
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- C09J151/003—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers grafted on to macromolecular compounds obtained by reactions only involving unsaturated carbon-to-carbon bonds
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- Chemical & Material Sciences (AREA)
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- Microelectronics & Electronic Packaging (AREA)
- Adhesive Tapes (AREA)
- Laminated Bodies (AREA)
- Adhesives Or Adhesive Processes (AREA)
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Abstract
Description
実施例1
(1)接着用樹脂溶液の製造
マレイン酸無水物が1.81wt%グラフトされたスチレン−エチレン−ブチレン−スチレン共重合体の20wt%xylene溶液(M1913、Asahi Kasei(株)製品)20g、ビフェニルノボラック系エポキシ樹脂の70wt%xylene溶液(NC−3000H、日本化薬(株)製品、エポキシ当量288g/eq)0.814g、スチレン−マレイン酸無水物共重合体の40wt%xylene溶液(EF−40、Sartomer製品、Styrene:Maleic anhydrideの重量比4:1)5.0g、2−メチルイミダゾールの25%メタノール溶液0.13gを常温で混合して、接着用樹脂組成物(溶液)を製造した。
前記接着用樹脂溶液を離型処理済みPETフィルムに塗布し、100℃で10分間乾燥して、約25μmの厚さを有する接着フィルムを製造した。
(1)接着用樹脂溶液の製造
マレイン酸無水物が0.36wt%グラフトされたスチレン−エチレン−ブチレン−スチレン共重合体の20wt%xylene溶液(M1911、Asahi Kasei(株)製品)20g、エポキシ樹脂の70wt%xylene溶液(XD−1000)0.814g、ナディックメチル酸無水物(NADIC methyl anhydride)の40wt%xylene溶液5.0g、2−メチルイミダゾールの25%メタノール溶液0.13gを常温で混合して、接着用樹脂組成物(溶液)を製造した。
前記接着用樹脂溶液を離型処理済みPETフィルムに塗布し、100℃で10分間乾燥して、約25μmの厚さを有する接着フィルムを製造した。
(1)接着用樹脂溶液の製造
下記表1の成分を常温で混合して、比較例1〜3の接着用樹脂組成物(溶液)を製造した。
前記比較例1〜3で得られた接着用樹脂溶液をそれぞれ離型処理済みPETフィルムに塗布し、100℃で10分間乾燥して、約25μmの厚さを有する接着フィルムを製造した。
実験例1:接着用樹脂組成物(溶液)の保存安定性評価
前記実施例および比較例で得られた接着用樹脂溶液それぞれを、常温(25℃)で3日間密封状態に維持し、粘度増減の有無を確認した。前記露出後、最終粘度が初期粘度の100%以内であれば良好と評価し、初期粘度の100%超過であれば不良と表示した。
前記実施例および比較例で得られた接着フィルムにおいて、PET Filmから剥離し、ポリイミドフィルムと銅箔との間に入れて、160℃で1時間30MPaの圧力を加えて圧着をした。そして、得られたポリイミドフィルム−接着フィルム−銅箔複合体を85℃の温度および85%相対湿度の条件で24時間エージングした後、260℃の鉛槽に浮かべて耐熱性を評価した。
前記実施例および比較例で得られた接着フィルムをglove boxに入れて、窒素をパージしながら24時間乾燥を行った後、Agiletn E5071B ENA装置を用いて、5GHzの条件で誘電率および誘電損失係数を測定した。
Claims (20)
- ジカルボン酸またはその酸無水物が0.1重量%〜15重量%結合されたスチレン−エチレン−ブチレン−スチレン共重合体;
エポキシ樹脂;
イミダゾール系化合物、イミン系化合物、およびアミン系化合物からなる群より選択された1種以上の化合物を含む硬化触媒;および
酸無水物系化合物;を含み、
乾燥状態および5GHzで2.8以下の誘電率(Dk)を有する、接着用樹脂組成物。 - 前記酸無水物系化合物は、スチレン−マレイン酸無水物共重合体、メチルテトラヒドロ無水フタル酸、無水フタル酸、ヘキサヒドロ無水フタル酸(Hexahydrophthalic Anhydride)、テトラヒドロ無水フタル酸、メチルヘキサヒドロ無水フタル酸(Methylhexahydrophthalic Anhydride)、メチルハイミック無水物(Methyl Himic Anhydride)、ナディックメチル無水物(NADIC Methyl Anhydride)、ナディック無水物(NADIC Anhydride)、およびドデセニル無水コハク酸からなる群より選択された1種以上の化合物を含む、請求項1に記載の接着用樹脂組成物。
- 前記ジカルボン酸またはその酸無水物が0.1重量%〜15重量%結合されたスチレン−エチレン−ブチレン−スチレン共重合体100重量部に対して、
前記エポキシ樹脂10〜80重量部;
酸無水物系化合物10〜80重量部;および
イミダゾール系化合物、イミン系化合物、およびアミン系化合物からなる群より選択された1種以上の化合物を含む硬化触媒0.05〜5重量部;を含む、請求項1に記載の接着用樹脂組成物。 - 乾燥状態および5GHzで0.010以下の誘電損失係数(Df)を有する、請求項1に記載の接着用樹脂組成物。
- 前記酸無水物系化合物に対する前記エポキシ樹脂の重量比が2.0〜0.05である、請求項1に記載の接着用樹脂組成物。
- 前記スチレン−エチレン−ブチレン−スチレン共重合体100重量部に対して、有機溶媒50〜1,000重量部をさらに含む、請求項1に記載の接着用樹脂組成物。
- 常温で外部露出時、72時間以内に前記接着用樹脂組成物の粘度が初期粘度対比2倍以下に変化する、請求項6に記載の接着用樹脂組成物。
- 前記ジカルボン酸またはその酸無水物が0.1重量%〜15重量%結合されたスチレン−エチレン−ブチレン−スチレン共重合体は、30,000〜800,000の重量平均分子量を有する、請求項1に記載の接着用樹脂組成物。
- 前記ジカルボン酸またはその酸無水物が0.1重量%〜15重量%結合されたスチレン−エチレン−ブチレン−スチレン共重合体は、スチレン由来の繰り返し単位5〜50重量%含む、請求項1に記載の接着用樹脂組成物。
- 前記ジカルボン酸は、マレイン酸、フタル酸、イタコン酸、シトラコン酸、アルケニルコハク酸、シス−1,2,3,6テトラヒドロフタル酸、および4−メチル−1,2,3,6テトラヒドロフタル酸からなる群より選択された1種以上を含む、請求項1に記載の接着用樹脂組成物。
- 前記エポキシ樹脂は、ビフェニルノボラックエポキシ樹脂、ビスフェノールA型エポキシ樹脂、およびジシクロペンタジエンフェノール付加反応型エポキシ樹脂からなる群より選択された1種以上を含む、請求項1に記載の接着用樹脂組成物。
- 前記スチレン−マレイン酸無水物共重合体は、1,000〜50,000の重量平均分子量を有する、請求項2に記載の接着用樹脂組成物。
- 前記スチレン−マレイン酸無水物共重合体は、スチレン由来の繰り返し単位50重量%〜95重量%を含む、請求項2に記載の接着用樹脂組成物。
- 請求項1に記載の接着用樹脂組成物の硬化物を含み、乾燥状態および5GHzで2.8以下の誘電率(Dk)を有する、接着用フィルム。
- 乾燥状態および5GHzで0.010以下の誘電損失係数(Df)を有する、請求項14に記載の接着用フィルム。
- 前記接着用フィルムは、1μm〜100μmの厚さを有する、請求項14に記載の接着用フィルム。
- ポリイミド樹脂フィルム;
銅、鉄、ニッケル、チタン、アルミニウム、銀、金、およびこれらの2種以上の合金からなる群より選択された1種以上を含む金属薄膜;および
前記ポリイミドフィルムおよび金属薄膜の間に形成された、請求項12に記載の接着用フィルム;を含むフレキシブル金属積層体。 - 前記ポリイミド樹脂フィルムは、1μm〜50μmの厚さを有し、
前記ポリイミド樹脂フィルムは、フッ素系樹脂5〜75重量%を含有する、請求項17に記載のフレキシブル金属積層体。 - 前記接着用フィルムは、乾燥状態および5GHzで2.2〜2.8の誘電率(Dk)を有する、請求項17に記載のフレキシブル金属積層体。
- 前記接着用フィルムは、乾燥状態および5GHzで0.010以下の誘電損失係数(Df)を有する、請求項17に記載のフレキシブル金属積層体。
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R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |