JP5287247B2 - ポリアミドイミド樹脂、接着剤、フレキシブル基板材料、フレキシブル積層板及びフレキシブル印刷配線板 - Google Patents
ポリアミドイミド樹脂、接着剤、フレキシブル基板材料、フレキシブル積層板及びフレキシブル印刷配線板 Download PDFInfo
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- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
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- C08G18/615—Polysiloxanes containing carboxylic acid groups
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- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/14—Polyamide-imides
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J179/00—Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen, or carbon only, not provided for in groups C09J161/00 - C09J177/00
- C09J179/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C09J179/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
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- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/38—Improvement of the adhesion between the insulating substrate and the metal
- H05K3/386—Improvement of the adhesion between the insulating substrate and the metal by the use of an organic polymeric bonding layer, e.g. adhesive
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- B32B2255/26—Polymeric coating
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- B32B2307/202—Conductive
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/206—Insulating
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/0313—Organic insulating material
- H05K1/032—Organic insulating material consisting of one material
- H05K1/0346—Organic insulating material consisting of one material containing N
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- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/0393—Flexible materials
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- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
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Description
以下のジアミンを用いてポリアミドイミド樹脂を合成した。
「ジェファーミンD−2000」(三井化学ファイン(株)製、商品名):ポリオキシプロピレンジアミン
「X−22−161A」(信越化学工業(株)製、商品名):シリコーンジアミン(式(20)において、R1及びR2がエチレン基(−(CH2)2−)、R3及びR4がメチル基(−CH3)、n2が約20であるジアミン)
「ワンダミンHM(WHM)」(新日本理化(株)製、商品名):(4,4’−ジアミノ)ジシクロヘキシルメタン
「BAPP」(和歌山精化(株)製、商品名):2,2’−ビス[4−(p−アミノフェノキシ)フェニル]プロパン
熱電対、攪拌機及び窒素吹込口を取り付けた500mlセパラブルフラスコに、250ml/分の窒素を流しながら、ジェファーミンD−2000を51.43g(25.7mmol、50モル%)、X−22−161Aを32.0g(20.0mmol、35モル%)、WHMを1.80g(8.6mmol、15モル%)、トリメリト酸無水物(以下「TMA」という)を23.05g(120.0mmol)及びN−メチル−2−ピロリドン(以下「NMP」という)を128g投入し、攪拌して原料をNMPに溶解させ、反応液を調製した。
ジアミンとして、ジェファーミンD−2000を57.20g(28.6mmol、50モル%)、X−22−161Aを22.88g(14.3mmol、25モル%)及びBAPPを5.88g(14.3mmol、25モル%)用いたことの他は合成例1と同様にして、ポリアミドイミド樹脂2の溶液を得た。
ジアミンとして、ジェファーミンD−2000を51.40g(25.7mmol、45モル%)、X−22−161Aを41.12g(25.7mmol、45モル%)、及びWHMを1.20g(5.71mmol、10モル%)用いたことの他は合成例1と同様にして、ポリアミドイミド樹脂3の溶液を得た。
ジアミンとして、ジェファーミンD−2000を68.4g(34.2mmol、60モル%)、及びX−22−161Aを36.48g(22.8mmol、40モル%)用いたことの他は合成例1と同様にして、ポリアミドイミド樹脂4の溶液を得た。
ジアミンとして、D−2000を39.9g(20.0mmol、35モル%)、X−22−161Aを36.48g(22.8mmol、40モル%)及びBAPPを5.88g(14.3mmol、25モル%)用いたことの他は合成例1と同様にして、ポリアミドイミド樹脂5の溶液を得た。
ジアミンとして、X−22−161Aを22.88g(14.3mmol、25モル%)、BAPPを9.44g(22.9mmol、40モル%)及びWHMを4.20g(20.0mmol、35モル%)用いたことの他は合成例1と同様にして、ポリアミドイミド樹脂6の溶液を得た。
ジアミンとして、ジェファーミンD−2000を68.0g(34.0mmol、60モル%)、X−22−161Aを13.60g(8.5mmol、15モル%)、及びBAPPを5.85g(14.17mmol、25モル%)用いたことの他は合成例1と同様にして、ポリアミドイミド樹脂7の溶液を得た。
熱電対、攪拌機及び窒素吹込口を取り付けた500mlセパラブルフラスコに、250ml/分の窒素を流しながら、ジェファーミンD−2000を40.0g(20.0mmol、45モル%)、X−22−161Aを32.0g(20.0mmol、45モル%)、WHMを0.935g(4.44mmol、10モル%)、TMAを17.9g(93.2mmol)及びNMPを110g投入し、攪拌して原料をNMPに溶解させて、反応液を調製した。
合成例8と同様にして得た未変性のポリアミドイミド樹脂を2.4g(12.5mmol)のTMAと反応させて、末端にカルボキシル基を有するポリアミドイミド樹脂9の溶液を得た。ポリアミドイミド樹脂9のカルボン酸当量を合成例8と同様にして測定した。
合成例8と同様にして得た未変性のポリアミドイミド樹脂を1.6g(8.3mmol)のTMAと反応させて、末端にカルボキシル基を有するポリアミドイミド樹脂10の溶液を得た。ポリアミドイミド樹脂10のカルボン酸当量を合成例8と同様にして測定した。
合成例8と同様にして得た未変性のポリアミドイミド樹脂を0.16g(0.83mmol)のTMAと反応させて、末端にカルボキシル基を有するポリアミドイミド樹脂11の溶液を得た。ポリアミドイミド樹脂11のカルボン酸当量を合成例8と同様にして測定した。
合成例8と同様にして得た未変性のポリアミドイミド樹脂を0.1g(0.52mmol)のTMAと反応させて、末端にカルボキシル基を有するポリアミドイミド樹脂12の溶液を得た。ポリアミドイミド樹脂12のカルボン酸当量を合成例8と同様にして測定した。
合成例8と同様にして得た未変性のポリアミドイミド樹脂の溶液にフェニレンジアミンを4.0g(37.0mmol)加え、80℃に加熱しながら1時間攪拌して末端のイソシアネート基にフェニレンジアミンを反応させて、末端にアミノ基を有するポリアミドイミド樹脂13の溶液を得た。ポリアミドイミド樹脂13のアミン当量を、塩酸滴定法により測定した。
合成例8と同様にして得た未変性のポリアミドイミド樹脂の溶液にフェニレンジアミンを0.8g(7.4mmol)加え、合成例13と同様の条件で反応させて末端にアミノ基を有するポリアミドイミド樹脂14の溶液を得た。ポリアミドイミド樹脂14のアミン当量を、合成例13と同様にして測定した。
合成例8と同様にして得た未変性のポリアミドイミド樹脂の溶液にフェニレンジアミンを0.1g(0.9mmol)加え、合成例13と同様の条件で反応させて末端にアミノ基を有するポリアミドイミド樹脂15の溶液を得た。ポリアミドイミド樹脂15のアミン当量を、合成例13と同様にして測定した。
合成例8と同様にして得た未変性のポリアミドイミド樹脂の溶液にp−アミノフェノールを0.8g加え、合成例13と同様の条件で反応させて末端にフェノール性水酸基を有するポリアミドイミド樹脂16の溶液を得た。ポリアミドイミド樹脂16の水酸基当量(g/eq.)を、塩化アセチル−水酸化カリウム法により測定した。
上記で得たそれぞれのポリアミドイミド樹脂の溶液200gに、脂環式エポキシ樹脂(HP7200L、大日本インキ化学工業(株)製)25g及び触媒(2E4MZ、四国化成工業(株)製)0.025gを加えた後、NMPを加えて固形分比を35質量%に調整し、接着剤ワニスを得た。
ポリイミドフィルム(カプトン(商品名)、厚さ25μm、東レ・デュポン(株)製)に、アプリケータを用いて接着剤ワニスを10μmの厚さに塗布した。オーブンを用いた150℃での乾燥により接着剤層を形成させて、接着剤付きポリイミドフィルムを得た。これの接着剤層側に上記と同様の別のカプトンを貼り合わせ、熱プレスによって200℃、4MPa、1時間の条件で熱圧着して、2枚のポリイミドフィルム(カプトン)が接着剤層を介して接着されたフレキシブル基板材料を得た。
(接着力)
フレキシブル基板材料から、1cm幅の試験片を切り出した。この試験片の片面を固定して、剥離角90度、剥離速度50mm/分の条件でポリイミドフィルム−接着剤層界面を剥離し、そのときの平均荷重を接着力として求めた。常態及び吸湿加速試験(PCT試験)後のフレキシブル基板材料について接着力を評価した。PCT試験は、試験片を121℃、2気圧、RH100%の雰囲気下に試験片を3時間静置して行った。
MCF−5000Iを用いて作製した上記フレキシブル基板材料から、4cm角の試験片を切り出した。これを130℃で1時間乾燥させた後、288℃のはんだ漕を用いてフロート法にてはんだ耐熱性を測定した。
結果を表1、2にまとめて示す。表中、ポリアミドイミド樹脂合成の原料として用いたジアミンの組成(モル%)を併せて示した。当該組成がジイミドジカルボン酸の組成に対応する。
Claims (7)
- ジイミドジカルボン酸と芳香族ジイソシアネートとを反応させるステップを含む方法により得られるポリアミドイミド樹脂であって、
カルボキシル基及びアミノ基からなる群より選ばれる少なくとも1種の官能基を末端に有し、
3000〜15000g/eq.のカルボン酸当量、又は、3000〜15000g/eq.のアミン当量を有し、
前記ジイミドジカルボン酸が、
下記一般式(1)で表される化合物を40モル%以上、
下記一般式(2)で表される化合物を20モル%以上、及び、
脂環式ジアミンと無水トリメリト酸との反応により生成されたジイミドジカルボン酸を含む、ポリアミドイミド樹脂。
[式(1)中、n1は1〜100の整数を示し、式(2)中、R1及びR2はそれぞれ独立に2価の有機基を示し、R3及びR4はそれぞれ独立に炭素数1〜20のアルキル基又は炭素数6〜18のアリール基を示し、同一分子中の複数のR3及びR4は同一でも異なっていてもよく、n2は1〜50の整数を示す。] - 請求項1記載のポリアミドイミド樹脂と、エポキシ樹脂と、を含有する接着剤。
- ポリイミドフィルム上に当該接着剤からなる接着剤層を形成させたときに、
前記ポリイミドフィルム及び前記接着剤層の界面の接着力が1.0kN/m以上であり、該接着力が3時間のPCT試験後に試験前の90%以上の値を維持し、且つ、
288℃のはんだ槽でフロート法により測定されるはんだ耐熱性が30秒以上である、請求項2記載の接着剤。 - ポリイミド用接着剤である、請求項2又は3記載の接着剤。
- 請求項2〜4のいずれか一項に記載の接着剤から形成されている接着剤層を備えるフレキシブル基板材料。
- ポリイミドフィルムと、該ポリイミドフィルム上に設けられた金属箔と、該ポリイミドフィルムと他のポリイミドフィルム又は金属箔とを接着する接着剤層と、を備え、
前記接着剤層が請求項2〜4のいずれか一項に記載の接着剤から形成されている、フレキシブル積層板。 - ポリイミドフィルムと、該ポリイミドフィルム上に設けられ配線パターンを形成している金属箔と、該ポリイミドフィルムと他のポリイミドフィルム又は金属箔とを接着する接着剤層と、を備え、
前記接着剤層が請求項2〜4のいずれか一項に記載の接着剤から形成されている、フレキシブル印刷配線板。
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| JP2008537432A JP5287247B2 (ja) | 2006-10-04 | 2007-08-20 | ポリアミドイミド樹脂、接着剤、フレキシブル基板材料、フレキシブル積層板及びフレキシブル印刷配線板 |
| PCT/JP2007/066100 WO2008041426A1 (fr) | 2006-10-04 | 2007-08-20 | Résine polyamideimide, agent adhésif, matériau pour substrat flexible, stratifié flexible, et tableau de connexion flexible pour imprimante |
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| EP2070961A1 (en) | 2009-06-17 |
| US20100170701A1 (en) | 2010-07-08 |
| TWI433863B (zh) | 2014-04-11 |
| JPWO2008041426A1 (ja) | 2010-02-04 |
| CN101522744A (zh) | 2009-09-02 |
| KR101441990B1 (ko) | 2014-09-18 |
| KR20090057414A (ko) | 2009-06-05 |
| EP2070961A4 (en) | 2012-08-29 |
| TW200831551A (en) | 2008-08-01 |
| US8956732B2 (en) | 2015-02-17 |
| CN101522744B (zh) | 2012-02-22 |
| WO2008041426A1 (fr) | 2008-04-10 |
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