JPH0825602A - Manufacture of film laminated body - Google Patents
Manufacture of film laminated bodyInfo
- Publication number
- JPH0825602A JPH0825602A JP6166754A JP16675494A JPH0825602A JP H0825602 A JPH0825602 A JP H0825602A JP 6166754 A JP6166754 A JP 6166754A JP 16675494 A JP16675494 A JP 16675494A JP H0825602 A JPH0825602 A JP H0825602A
- Authority
- JP
- Japan
- Prior art keywords
- adhesive
- film
- thermosetting adhesive
- resin
- foil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- 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
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Epoxy Resins (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Laminated Bodies (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は３層以上のフィルムの積
層体、例えば、可撓性積層フィルムや金属箔と可撓性フ
ィルムの積層体の製造に関するものであり、化粧シート
や、フレキシブルプリント回路基板、とくにＴＡＢ用テ
ープの製造に利用できるフィルム積層体の製造方法に関
する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the production of a laminate of three or more layers of film, for example, a flexible laminate film or a laminate of a metal foil and a flexible film, which is a decorative sheet or a flexible print. The present invention relates to a method for producing a film laminate that can be used for producing a circuit board, particularly a TAB tape.
【０００２】[0002]
【従来の技術】３層以上の可撓性プラスチックフィルム
積層体、例えば、金属箔と可撓性プラスチックフィルム
の積層体を製造する方法としては、一般にロールプレス
法や平板プレス法などが知られている。（「接着技術マ
ニュアル」第１５７ページ、（株）テクノ発行、１９７
６年）。2. Description of the Related Art A roll pressing method or a flat plate pressing method is generally known as a method for producing a flexible plastic film laminate having three or more layers, for example, a laminate of a metal foil and a flexible plastic film. There is. ("Adhesion Technology Manual", page 157, published by Techno Co., Ltd., 197.
6 years).
【０００３】[0003]
【発明が解決しようとする課題】フィルムを熱硬化性接
着剤を介して張り合わせるときに積層間に空気が混入す
ることは不可避であるが、その混入する空気による起泡
を除去するために、ロールプレス法では速度を下げた
り、平板プレス法ではガス抜きを数回繰り返す必要があ
る。そのため、生産性が低下し、コストアップになるな
どの問題があった。またかかる気泡問題を解決するた
め、真空成形法たとえば、バキュームバッグ法（「強化
プラスチックス」第３０４ページ、（株）産業図書発
行、１９５７年）などが知られているが、装置が複雑で
あり且時間もかかるため生産上問題があった。It is unavoidable that air is mixed between the laminates when the films are laminated via a thermosetting adhesive, but in order to remove the foaming caused by the mixed air, It is necessary to reduce the speed in the roll pressing method and to repeat degassing several times in the flat plate pressing method. Therefore, there is a problem that productivity is lowered and cost is increased. Further, in order to solve such a bubble problem, a vacuum forming method such as a vacuum bag method (“Reinforced Plastics” page 304, published by Sangyo Tosho Co., Ltd., 1957) is known, but the apparatus is complicated. In addition, it took time and there was a problem in production.
【０００４】本発明の目的は、フィルム積層体、具体的
には３層以上の可撓性プラスチックフィルム積層体、例
えば、金属箔と可撓性プラスチックフィルムの積層体を
張り合わせ時に、混入する空気により生ずる気泡を、短
時間に効率よく除去できるフィルム積層体の製造方法を
提供することにある。An object of the present invention is to provide a film laminate, specifically, a flexible plastic film laminate having three or more layers, for example, by laminating air when mixing a laminate of a metal foil and a flexible plastic film. It is an object of the present invention to provide a method for producing a film laminate, which can efficiently remove generated bubbles in a short time.
【０００５】これらの積層体中に混入した気泡は製品の
外観を損なうばかりでなく、加熱硬化時に発泡しさらに
大きな気泡となり、接着力の低下を引き起こしたり、積
層体の強度、可撓性などの他の特性を低下させる。The bubbles mixed in these laminates not only impair the appearance of the product, but also foam when heated and cured to form larger bubbles, which may cause a decrease in adhesive strength, strength of the laminate and flexibility. It deteriorates other properties.
【０００６】[0006]
【課題を解決するための手段】かかる本発明の目的は以
下の構成をとることにより達成される。The object of the present invention is achieved by the following constitution.
【０００７】すなわち、本発明は、熱硬化性接着剤を介
して張り合わせてフィルム積層体を製造する際、フィル
ムを張合せて後、１ｋｇ／ｃｍ2 Ｇ以上の加圧下で接着
剤を加熱硬化させることを特徴とするフィルム積層体の
製造方法である。That is, according to the present invention, when a film laminate is produced by laminating a thermosetting adhesive through a film, the films are laminated and then the adhesive is heated and cured under a pressure of 1 kg / cm 2 G or more. A method for producing a film laminate, comprising:
【０００８】まず、本発明では熱硬化性接着剤を介して
フィルムを張り合わせる。フィルムとしては、通常、可
撓性プラスチックフィルムや金属箔が用いられる。可撓
性プラスチックフィルムとしては、ポリエチレン、ポリ
プロピレン、ポリエステル、ポリイミド、ポリフェニレ
ンサルファイド、ポリカーボネート、ポリアミドなどの
フィルムが用いられ、ポリエステル、ポリイミドフィル
ムがとくに好ましく用いられる。また、金属箔として
は、アルミ箔、銅箔、ニッケル箔などが用いられ、銅箔
がとくに好ましく用いられる。熱硬化性接着剤として
は、エポキシ樹脂、不飽和ポリエステル樹脂、フェノー
ル樹脂単独でも、これらの樹脂にポリアミド樹脂やポリ
エステル樹脂、アクリル樹脂のような熱可塑性樹脂や、
ゴム成分を混合したものでも良く、好ましくはポリアミ
ド樹脂とエポキシ樹脂とフェノール樹脂が配合されたも
のが良い。たとえばＴＡＢ用接着剤付テープの場合に
は、ポリアミド樹脂１００重量部に対し、エポキシ樹脂
３〜６５重量部、フェノール樹脂１０〜１００重量部を
必須成分として含有してなり、必要に応じて硬化触媒、
硬化促進剤０．１〜１０重量部を含有する熱硬化性接着
剤が好ましく用いられる。First, in the present invention, the films are bonded together via a thermosetting adhesive. A flexible plastic film or a metal foil is usually used as the film. As the flexible plastic film, films of polyethylene, polypropylene, polyester, polyimide, polyphenylene sulfide, polycarbonate, polyamide and the like are used, and polyester and polyimide films are particularly preferably used. As the metal foil, aluminum foil, copper foil, nickel foil and the like are used, and copper foil is particularly preferably used. The thermosetting adhesive may be an epoxy resin, an unsaturated polyester resin, or a phenol resin alone, or a thermoplastic resin such as a polyamide resin, a polyester resin, or an acrylic resin in these resins,
It may be a mixture of rubber components, preferably a mixture of polyamide resin, epoxy resin and phenol resin. For example, in the case of a tape with an adhesive for TAB, it contains 3 to 65 parts by weight of an epoxy resin and 10 to 100 parts by weight of a phenol resin as essential components with respect to 100 parts by weight of a polyamide resin. ,
A thermosetting adhesive containing 0.1 to 10 parts by weight of a curing accelerator is preferably used.
【０００９】熱硬化性接着剤を介してフィルムを張り合
わせる方法は特に限定されないが、例えばフィルムと硬
化性接着剤付フィルムをロールプレスなどにより高速で
仮接着をすることが好ましい。ロールプレス法は公知の
方法で行なう。The method of laminating the film with the thermosetting adhesive is not particularly limited, but for example, it is preferable to temporarily adhere the film and the film with the curable adhesive at a high speed by a roll press or the like. The roll pressing method is a known method.
【００１０】ついで、本発明では、フィルムを張り合わ
せて後、１ｋｇ／ｃｍ2 Ｇ以上の加圧下で接着剤を加熱
硬化させることが重要である。Next, in the present invention, it is important to bond the films and then heat and cure the adhesive under a pressure of 1 kg / cm 2 G or more.
【００１１】１ｋｇ／ｃｍ2 Ｇ以上の加圧下で接着剤の
硬化をすることにより混入する空気により生ずる気泡を
消滅させながら、フィルム積層体を製造することができ
る。By curing the adhesive under a pressure of 1 kg / cm 2 G or more, it is possible to produce a film laminate while extinguishing the air bubbles generated by the mixed air.
【００１２】加圧処理装置で短時間に効率よく気泡を消
滅させるためには、圧力は１ｋｇ／ｃｍ2 Ｇ以上、好ま
しくは２〜１０ｋｇ／ｃｍ2 Ｇの範囲が適当である。圧
力が１０ｋｇ／ｃｍ2 Ｇをこえると設備の費用が高くな
り実用的ではない。接着剤を硬化させる温度、時間は接
着剤の種類、硬化度により適宜選択しうる。たとえばＴ
ＡＢ用接着剤付テープのようにＢステージ状態のものを
製造する場合は、３５〜１００℃、好ましくは４５〜７
０℃の温度で２〜２００時間、好ましくは１０〜５０時
間の条件で硬化が行われる。[0012] In order to eliminate efficiently the bubbles in a short time by pressure treatment apparatus, the pressure is 1 kg / cm 2 G or more, and preferably from a range of 2~10kg / cm 2 G. If the pressure exceeds 10 kg / cm 2 G, the cost of the equipment becomes high and it is not practical. The temperature and time for curing the adhesive can be appropriately selected depending on the type and curing degree of the adhesive. For example, T
In the case of producing a B-stage tape such as an adhesive tape for AB, the temperature is 35 to 100 ° C., preferably 45 to 7
Curing is carried out at a temperature of 0 ° C. for 2 to 200 hours, preferably 10 to 50 hours.
【００１３】かかる加圧処理を行なうための装置は特に
限定されないが、次のような装置を使用することができ
る。The apparatus for performing such pressurizing treatment is not particularly limited, but the following apparatus can be used.
【００１４】すなわち、材料を処理する加圧タンク本
体、その本体を加圧するためのガス供給装置とこれらを
コントロールする制御装置から構成され、加圧タンク
本体には加熱と冷却が可能で槽内部には温度を均一に保
つための撹拌装置を設置し、本体を加圧するためのガス
は通常は空気が用いられるが、材料の熱酸化を避けるた
め窒素などの不活性ガスを用い、ガス加圧供給装置
は、ガスボンベまたは、コンプレッサー等通常のガス供
給装置を用い、制御装置はガスの供給圧力や温度、時
間のコントロール機能をもつ装置である。That is, it is composed of a pressurized tank main body for processing materials, a gas supply device for pressurizing the main body, and a control device for controlling these, and the pressurized tank main body is capable of heating and cooling and is provided inside the tank. Is equipped with a stirrer to keep the temperature uniform, and air is usually used as a gas to pressurize the main body, but an inert gas such as nitrogen is used to avoid thermal oxidation of the material, and gas pressure supply is used. The device uses an ordinary gas supply device such as a gas cylinder or a compressor, and the control device has a control function of gas supply pressure, temperature, and time.
【００１５】[0015]
【実施例】以下に実施例を挙げて本発明を説明するが、
本発明はこれらの実施例に限定されるものではない。な
お、本実施例における各試験は次のようにして行った。The present invention will be described below with reference to examples.
The present invention is not limited to these examples. Each test in this example was conducted as follows.
【００１６】＜接着力測定方法＞ 積層体の切断幅；１０ｍｍ 測定機；オリエンテック社製引っ張り試験機 測定部分のフィルムや金属箔などを９０°方向に引き剥
がし、その時の剥離力を測定した。<Adhesive force measuring method> Cutting width of laminated body: 10 mm Measuring instrument: Tensile tester manufactured by Orientec Co., Ltd. Peeling force at that time was peeled off by peeling off a film, a metal foil or the like at a measuring portion in a 90 ° direction.
【００１７】＜気泡の数＞積層体の透明部分を顕微鏡５
０倍で観察し、１０μｍ以上の気泡の数をカウントし、
１ｃｍ2 の数量として計算した。<Number of Bubbles> The transparent portion of the laminated body is examined with a microscope 5
Observe at 0 times, count the number of bubbles above 10 μm,
Calculated as a quantity of 1 cm 2.
【００１８】実施例１ ポリアミド樹脂（ヘンケル社製“マクロメルト”６９０
１）１００重量部、エポキシ樹脂（油化シェル社製“Ｅ
ｐ８２８”）５０重量部、フェノール樹脂（群栄化学社
製“ＰＳＭ４３２６”）４０重量部、硬化剤（２−エチ
ル−４−メチルイミダゾール）５重量部からなる組成の
接着剤を溶剤（モノクロルベンゼン／メタノール＝６０
／４０）に１５重量％に溶解した接着剤含有塗料を、厚
さ２５μm のポリエステルフィルム上に塗布し、１４０
℃５分間乾燥し、接着剤の厚さが１５μm の２層構成フ
ィルムとした。Example 1 Polyamide resin ("Macromelt" 690 manufactured by Henkel)
1) 100 parts by weight, epoxy resin (“E” manufactured by Yuka Shell Co., Ltd.
p828 ”) 50 parts by weight, a phenol resin (“ PSM4326 ”manufactured by Gunei Chemical Co., Ltd.) 40 parts by weight, and a curing agent (2-ethyl-4-methylimidazole) 5 parts by weight as an adhesive. Methanol = 60
/ 40) and the adhesive-containing paint dissolved in 15% by weight on a polyester film having a thickness of 25 μm.
After drying at 5 ° C for 5 minutes, a two-layer film having an adhesive thickness of 15 µm was obtained.
【００１９】この２層構成フィルムの接着剤面と厚さ２
５μm のポリイミドフィルムを合わせて、ロールプレス
により、加熱温度１５０℃、ロール線圧５ｋｇ／ｃｍ、
速度３０ｍ／分で張り合わせてラミネートした。このよ
うにして得られた３層積層体の接着剤層には気泡が１０
０μm 前後の大きさで２１２０個／ｃｍ2 あった。The adhesive surface and thickness 2 of this two-layer film
Combine 5μm polyimide film and roll press, heating temperature 150 ℃, roll linear pressure 5kg / cm,
The pieces were laminated at a speed of 30 m / min. The adhesive layer of the three-layer laminate thus obtained has 10 bubbles.
The size was about 0 μm, and there were 2120 pieces / cm 2 .
【００２０】この３層フィルム積層体を加圧熱処理装置
により、加熱温度６０℃、空気圧力６ｋｇ／ｃｍ2 Ｇで
３時間加圧熱処理した。加圧熱処理後の３層フィルム積
層体の接着剤層には１０μｍ以上の起泡は観察されなか
った。また、この接着剤層の接着力は１５０ｇ／ｃｍで
あった。This three-layer film laminate was subjected to pressure heat treatment at a heating temperature of 60 ° C. and an air pressure of 6 kg / cm 2 G for 3 hours by a pressure heat treatment apparatus. No foaming of 10 μm or more was observed in the adhesive layer of the three-layer film laminate after the heat treatment under pressure. The adhesive strength of this adhesive layer was 150 g / cm.
【００２１】実施例２ 実施例１と同じ組成の接着剤を溶剤（モノクロルベンゼ
ン／メタノール＝６０／４０）に２０重量％に溶解した
接着剤含有塗料を、厚さ２５μｍのポリエステルフィル
ム上に塗布し、１４０℃５分間乾燥し、接着剤の厚さが
１８μm の２層構成フィルムとした。Example 2 An adhesive-containing paint prepared by dissolving 20% by weight of an adhesive having the same composition as in Example 1 in a solvent (monochlorobenzene / methanol = 60/40) was applied on a polyester film having a thickness of 25 μm. The film was dried at 140 ° C. for 5 minutes to give a two-layer film having an adhesive thickness of 18 μm.
【００２２】この２層構成フィルムの接着剤面と厚さ２
５μｍのポリイミドフィルム“ユーピレックス”７５Ｓ
（宇部興産社製）を合わせて、ロールプレスにより、加
熱温度１２０℃、ロール線圧５ｋｇ／ｃｍ、速度８ｍ／
分で張り合わせてラミネートした。このようにして得ら
れた３層積層体の接着剤には気泡が５０μm 前後の大き
さで１１５０個／ｃｍ2 あった。The adhesive surface and thickness 2 of this two-layer film
5μm polyimide film “UPILEX” 75S
(Manufactured by Ube Industries, Ltd.), and by a roll press, heating temperature 120 ° C., roll linear pressure 5 kg / cm, speed 8 m /
Laminated in minutes. The thus obtained adhesive of the three-layer laminate had 1150 bubbles / cm 2 in the size of about 50 μm.
【００２３】この３層フィルム積層体を加圧熱処理装置
により、加熱温度６０℃、空気圧力８ｋｇ／ｃｍ2 Ｇで
３時間加圧熱処理した。加圧熱処理後の３層フィルム積
層体の接着層には１０μｍ以上の気泡は観察されなかっ
た。また、この接着剤層の接着剤は２３０ｇ／ｃｍであ
った。This three-layer film laminate was subjected to pressure heat treatment at a heating temperature of 60 ° C. and an air pressure of 8 kg / cm 2 G for 3 hours using a pressure heat treatment apparatus. No bubbles of 10 μm or more were observed in the adhesive layer of the three-layer film laminate after the heat treatment under pressure. The adhesive of this adhesive layer was 230 g / cm.
【００２４】この３層フィルム積層体は、ＴＡＢ用の接
着剤付テープとして使用できた。This three-layer film laminate could be used as an adhesive tape for TAB.
【００２５】比較例１ 実施例１と同様の方法で作成した３層フィルム積層体
を、加熱温度６０℃、常圧で３時間熱処理した。熱処理
後の３層フィルム積層体の接着層には、気泡が５０〜１
００μm 前後の大きさで２０４０個／ｃｍ2 あり、ほと
んど減少できなかった。接着力は８０ｇ／ｃｍであっ
た。Comparative Example 1 A three-layer film laminate prepared by the same method as in Example 1 was heat treated at a heating temperature of 60 ° C. and normal pressure for 3 hours. In the adhesive layer of the three-layer film laminate after heat treatment, there are 50 to 1 bubbles.
The size of about 00 μm was 2040 pieces / cm 2 and could not be reduced. The adhesive strength was 80 g / cm.
【００２６】比較例２ 実施例１と同様の方法で作成した３層フィルム積層体
を、真空度１１ｍｍＨｇのバキュウムバッグで加熱温度
６０℃で３時間加熱処理した。加熱処理後の３層フィル
ム積層体の接着剤層には、気泡が５０μm 前後の大きさ
で１９２０個／ｃｍ2 あり、ほとんど減少できなかっ
た。接着力は１０３ｇ／ｃｍであった。Comparative Example 2 A three-layer film laminate produced by the same method as in Example 1 was heat-treated in a vacuum bag having a vacuum degree of 11 mmHg at a heating temperature of 60 ° C. for 3 hours. In the adhesive layer of the three-layer film laminate after the heat treatment, there were 1920 bubbles / cm 2 with a size of about 50 μm, and it was almost impossible to reduce them. The adhesive force was 103 g / cm.
【００２７】結果をまとめて表１に示す。The results are summarized in Table 1.
【００２８】[0028]
【表１】 [Table 1]
【００２９】[0029]
【発明の効果】本発明によると３層以上のフィルム積層
体の張り合わせ時に混入する気泡を短時間に効率よく除
去することができ、また、接着力も向上する。EFFECTS OF THE INVENTION According to the present invention, it is possible to efficiently remove air bubbles mixed in when laminating three or more film laminates in a short time, and also improve the adhesive strength.
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｃ０９Ｊ 161/06 ＪＥＳ 163/00 ＪＦＰ 177/00 ＪＧＡ ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 6 Identification code Internal reference number FI Technical display location C09J 161/06 JES 163/00 JFP 177/00 JGA
Claims (4)
ィルム積層体を製造する際、フィルムを張合せて後、１
ｋｇ／ｃｍ2 Ｇ以上の加圧下で接着剤を加熱硬化させる
ことを特徴とするフィルム積層体の製造方法。1. When manufacturing a film laminate by laminating a film with a thermosetting adhesive, after laminating the film, 1
A method for producing a film laminate, which comprises heat-curing an adhesive under a pressure of kg / cm 2 G or more.
2 Ｇの加圧下で行なうことを特徴とする請求項１記載の
フィルム積層体の製造方法。2. The heat curing of the adhesive is 2 to 10 kg / cm.
The method for producing a film laminate according to claim 1, which is carried out under a pressure of 2 G.
重量部に対して、エポキシ樹脂３〜６５重量部、フェノ
ール樹脂１０〜１００重量部を必須成分として含有して
なることを特徴とする請求項１記載のフィルム積層体の
製造方法。3. A thermosetting adhesive is a polyamide resin 100.
The method for producing a film laminate according to claim 1, wherein 3 to 65 parts by weight of an epoxy resin and 10 to 100 parts by weight of a phenol resin are contained as essential components with respect to parts by weight.
プであることを特徴とする請求項１または３記載のフィ
ルム積層体の製造方法。4. The method for producing a film laminate according to claim 1, wherein the film laminate is a tape with an adhesive for TAB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16675494A JP3570520B2 (en) | 1994-07-19 | 1994-07-19 | Method for producing film laminate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16675494A JP3570520B2 (en) | 1994-07-19 | 1994-07-19 | Method for producing film laminate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0825602A true JPH0825602A (en) | 1996-01-30 |
| JP3570520B2 JP3570520B2 (en) | 2004-09-29 |
Family
ID=15837121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16675494A Expired - Lifetime JP3570520B2 (en) | 1994-07-19 | 1994-07-19 | Method for producing film laminate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3570520B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6709491B2 (en) | 2001-08-27 | 2004-03-23 | Riken | Gas separation membrane and method of producing the same |
| WO2004067665A1 (en) * | 2003-01-29 | 2004-08-12 | Tesa Ag | Method for gluing fpcb’s |
-
1994
- 1994-07-19 JP JP16675494A patent/JP3570520B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6709491B2 (en) | 2001-08-27 | 2004-03-23 | Riken | Gas separation membrane and method of producing the same |
| WO2004067665A1 (en) * | 2003-01-29 | 2004-08-12 | Tesa Ag | Method for gluing fpcb’s |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3570520B2 (en) | 2004-09-29 |
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