JP7842250B2 - 低誘電および高耐熱特性を有するポリイミドフィルムおよびその製造方法 - Google Patents
低誘電および高耐熱特性を有するポリイミドフィルムおよびその製造方法Info
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Description
オキシジアニリン(ODA)、パラフェニレンジアミン(PPD)およびm-トリジン(mTD)からなるグループより選択された2種以上を含むジアミン成分と、を含むポリアミック酸溶液をイミド化して製造されるポリイミドフィルムを提供する。
ポリイミドフィルムの製造方法を提供する。
(1)ジアミン成分の全量を溶媒中に入れて、その後、二無水物酸成分をジアミン成分と実質的に等モルとなるように添加して重合する方法、
(2)二無水物酸成分の全量を溶媒中に入れて、その後、ジアミン成分を二無水物酸成分と実質的に等モルとなるように添加して重合する方法、
(3)ジアミン成分中の一部の成分を溶媒中に入れた後、反応成分に対して二無水物酸成分中の一部の成分を約95~105モル%の比率で混合した後、残りのジアミン成分を添加し、これに連続して残りの二無水物酸成分を添加して、ジアミン成分および二無水物酸成分が実質的に等モルとなるようにして重合する方法、
(4)二無水物酸成分を溶媒中に入れた後、反応成分に対してジアミン化合物中の一部の成分を95~105モル%の比率で混合した後、他の二無水物酸成分を添加し、続いて残りのジアミン成分を添加して、ジアミン成分および二無水物酸成分が実質的に等モルとなるようにして重合する方法、
(5)溶媒中において一部のジアミン成分と一部の二無水物酸成分とをいずれか1つが過剰となるように反応させて、第1組成物を形成し、他の溶媒中において一部のジアミン成分と一部の二無水物酸成分とをいずれか1つが過剰となるように反応させて、第2組成物を形成した後、第1、第2組成物を混合し、重合を完了する方法であって、この時、第1組成物を形成する時、ジアミン成分が過剰の場合、第2組成物では二無水物酸成分を過剰にし、第1組成物で二無水物酸成分が過剰の場合、第2組成物ではジアミン成分を過剰にして、第1、第2組成物を混合し、これらの反応に使用される全体のジアミン成分と二無水物酸成分とが実質的に等モルとなるようにして重合する方法、などが挙げられる。
撹拌機および窒素注入・排出管を備えた500mlの反応器に窒素を注入させながらDMFを投入し、反応器の温度を30℃に設定した後、ジアミン単量体と、二無水物酸単量体とを定められた順序で投入して、完全に溶解したことを確認する。
先に説明した製造例により製造し、下記表1に示しているように、実施例1~5および比較例1~4における二無水物酸成分および前記ジアミン成分の含有量を調節してポリイミドフィルムを製造した。
誘電率(Dk)は、Keysight社のSPDR測定器を用いて10GHzでの誘電率を測定した。
誘電損失率(Df)は、Keysight社のENA(Vector Network Analyzer)を用いて空洞共振法(SPDR)で24時間23℃/50%RHの環境で放置されたフィルムを測定した。
ガラス転移温度(Tg)は、DMAを用いて各フィルムの損失弾性率と貯蔵弾性率を求め、これらのタンジェントグラフにおける変曲点をガラス転移温度として測定した。
Claims (10)
- ビフェニルテトラカルボキシリックジアンハイドライド(BPDA)、ピロメリティックジアンハイドライド(PMDA)およびp-フェニレンビス(トリメリテート無水物)(p-phenylenebis(trimellitate anhydride)、TAHQ)からなるグループより選択された2種以上を含む二無水物酸成分と、
オキシジアニリン(ODA)、パラフェニレンジアミン(PPD)およびm-トリジン(mTD)からなるグループより選択された2種以上を含むジアミン成分と、を含むポリアミック酸溶液をイミド化して製造され、
前記二無水物酸成分の総含有量100モル%を基準として、前記ビフェニルテトラカルボキシリックジアンハイドライド(BPDA)の含有量が30モル%以上65モル%以下であり、前記ピロメリティックジアンハイドライド(PMDA)の含有量が40モル%以下であり、前記p-フェニレンビス(トリメリテート無水物)(TAHQ)の含有量が15モル%以上35モル%以下であり、かつ
前記ジアミン成分の総含有量100モル%を基準として、前記オキシジアニリン(ODA)の含有量が35モル%以下であり、前記パラフェニレンジアミン(PPD)の含有量が55モル%以下であり、前記m-トリジン(mTD)の含有量が45モル%以上である、
ポリイミドフィルム。
(ただし、前記二無水物酸成分は、ビフェニルテトラカルボキシリックジアンハイドライドおよびp-フェニレンビス(トリメリテート無水物)を必ず含み、かつ前記ジアミン成分は、m-トリジンを必ず含む) - 2以上のブロックからなるブロック共重合体を含む、
請求項1に記載のポリイミドフィルム。 - 前記p-フェニレンビス(トリメリテート無水物)(TAHQ)を含む二無水物成分と、m-トリジン(mTD)およびオキシジアニリン(ODA)を含むジアミン成分とをイミド化反応させて得られた第1ブロックと、
前記ビフェニルテトラカルボキシリックジアンハイドライド(BPDA)およびピロメリティックジアンハイドライド(PMDA)を含む二無水物成分と、m-トリジン(mTD)およびパラフェニレンジアミン(PPD)を含むジアミン成分とをイミド化反応させて得られた第2ブロックと、を含むブロック共重合体を含む、
請求項1に記載のポリイミドフィルム。 - 前記ポリイミドフィルムの誘電損失率(Df)が0.0025以下であり、
ガラス転移温度(Tg)が240℃以上である、
請求項1に記載のポリイミドフィルム。 - ビフェニルテトラカルボキシリックジアンハイドライド(BPDA)、ピロメリティックジアンハイドライド(PMDA)およびp-フェニレンビス(トリメリテート無水物)(TAHQ)からなるグループより選択された2種以上を含む二無水物酸成分と、オキシジアニリン(ODA)、パラフェニレンジアミン(PPD)およびm-トリジン(mTD)からなるグループより選択された2種以上を含むジアミン成分とを重合してポリアミック酸溶液を製造するステップと、
前記ポリアミック酸溶液をイミド化するステップと、を含み、
前記二無水物酸成分の総含有量100モル%を基準として、前記ビフェニルテトラカルボキシリックジアンハイドライド(BPDA)の含有量が30モル%以上65モル%以下であり、前記ピロメリティックジアンハイドライド(PMDA)の含有量が40モル%以下であり、前記p-フェニレンビス(トリメリテート無水物)(TAHQ)の含有量が15モル%以上35モル%以下であり、かつ
前記ジアミン成分の総含有量100モル%を基準として、前記オキシジアニリン(ODA)の含有量が35モル%以下であり、前記パラフェニレンジアミン(PPD)の含有量が55モル%以下であり、前記m-トリジン(mTD)の含有量が45モル%以上である、
ポリイミドフィルムの製造方法。
(ただし、前記二無水物酸成分は、ビフェニルテトラカルボキシリックジアンハイドライドおよびp-フェニレンビス(トリメリテート無水物)を必ず含み、かつ前記ジアミン成分は、m-トリジンを必ず含む) - 前記ポリイミドフィルムの誘電損失率(Df)が0.0025以下であり、
ガラス転移温度(Tg)が240℃以上である、
請求項5に記載のポリイミドフィルムの製造方法。 - 請求項1~4のいずれか1項に記載のポリイミドフィルムを含む、
多層フィルム。 - 熱可塑性樹脂層を追加的に含む、
請求項7に記載の多層フィルム。 - 請求項1~4のいずれか1項に記載のポリイミドフィルムと、
電気伝導性の金属箔と、を含む、
フレキシブル金属箔積層板。 - 請求項9に記載のフレキシブル金属箔積層板を含む、
電子部品。
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| KR10-2022-0053662 | 2022-04-29 | ||
| PCT/KR2023/005813 WO2023211225A1 (ko) | 2022-04-29 | 2023-04-27 | 저유전 및 고내열 특성을 가지는 폴리이미드 필름 및 그 제조방법 |
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| KR102345722B1 (ko) * | 2019-11-07 | 2022-01-03 | 피아이첨단소재 주식회사 | 고내열 저유전 폴리이미드 필름 및 이의 제조방법 |
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| KR102347632B1 (ko) * | 2019-11-13 | 2022-01-10 | 피아이첨단소재 주식회사 | 저유전 폴리이미드 필름 및 이의 제조방법 |
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| JP2004124091A (ja) | 2002-09-13 | 2004-04-22 | Kanegafuchi Chem Ind Co Ltd | ポリイミドフィルム及びその製造方法並びにその利用 |
| JP2006299197A (ja) | 2005-04-25 | 2006-11-02 | Toyobo Co Ltd | ポリイミドフィルムおよび複合フィルム |
| CN101007898A (zh) | 2006-01-27 | 2007-08-01 | 财团法人工业技术研究院 | 热塑性聚酰亚胺组合物与双面软性铜箔基板 |
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