JPH04244829A - フッ素樹脂フィルムの溶融接着方法 - Google Patents

フッ素樹脂フィルムの溶融接着方法

Info

Publication number
JPH04244829A
JPH04244829A JP3010031A JP1003191A JPH04244829A JP H04244829 A JPH04244829 A JP H04244829A JP 3010031 A JP3010031 A JP 3010031A JP 1003191 A JP1003191 A JP 1003191A JP H04244829 A JPH04244829 A JP H04244829A
Authority
JP
Japan
Prior art keywords
cover film
fluororesin
film
melt
fluororesin film
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.)
Withdrawn
Application number
JP3010031A
Other languages
English (en)
Inventor
Hiroki Honda
裕姫 本多
Mitsuru Shimizu
充 清水
Takeshi Onobe
小野辺　武
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP3010031A priority Critical patent/JPH04244829A/ja
Publication of JPH04244829A publication Critical patent/JPH04244829A/ja
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/50—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like
    • B29C65/5042—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like covering both elements to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/114—Single butt joints
    • B29C66/1142—Single butt to butt joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/826—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps without using a separate pressure application tool, e.g. the own weight of the parts to be joined
    • B29C66/8266—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps without using a separate pressure application tool, e.g. the own weight of the parts to be joined using fluid pressure directly acting on the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/836—Moving relative to and tangentially to the parts to be joined, e.g. transversely to the displacement of the parts to be joined, e.g. using a X-Y table
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/04—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam
    • B29C35/045—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using gas or flames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/10—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
    • B29C65/481—Non-reactive adhesives, e.g. physically hardening adhesives
    • B29C65/4815—Hot melt adhesives, e.g. thermoplastic adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/50—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like
    • B29C65/5092—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like characterised by the tape handling mechanisms, e.g. using vacuum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【発明の詳細な説明】
【０００１】
【産業上の利用分野】本発明は，フッ素樹脂フィルムの
溶融接着方法に関するものである。
【０００２】
【従来の技術】耐薬品性，耐腐食性，耐微生物性，非粘
着性等を有する高機能材のフッ素樹脂フィルムを塔槽類
等にライニングしている。
【０００３】
【発明が解決しようとする課題】フッ素樹脂は，熱可塑
性樹脂であるが，フッ素樹脂は溶融温度が高く，溶融時
の粘度が高く，熱伝達性が非常に小さいため，フッ素樹
脂の溶融接着は，非常に難しい。特に厚さ１ｍｍ以下の
薄いフイルムを使用する場合の継ぎ目部の溶融接着方法
には，確立されたものがない。
【０００４】本発明は前記の問題点に鑑み提案するもの
であり，その目的とする処は，カバーフィルムを塔槽類
等にライニングしたフッ素樹脂フィルムの継ぎ目部に，
容易に溶融接着できるフッ素樹脂フィルムの溶融接着方
法を提供しようとする点にある。
【０００５】
【課題を解決するための手段】上記の目的を達成するた
めに，本発明のフッ素樹脂フィルムの溶融接着方法は，
耐薬品性，耐腐食性，耐微生物性，非粘着性等を有する
高機能材のフッ素樹脂フィルムを塔槽類等にライニング
する際のライニング層の継ぎ目部を処理するに当たり，
前記継ぎ目部にカバーフィルムを乗せ，次いでこのカバ
ーフイルムへ熱風を吹き付けて，同カバーフイルムを同
継ぎ目部に溶融接着することを特徴としている。
【０００６】
【作用】本発明のフッ素樹脂フィルムの溶融接着方法は
前記のように耐薬品性，耐腐食性，耐微生物性，非粘着
性等を有する高機能材のフッ素樹脂フィルムを塔槽類等
にライニングする際のライニング層の継ぎ目部を処理す
るに当たり，前記継ぎ目部にカバーフィルムを乗せ，次
いでこのカバーフイルムへ熱風を吹き付けて，同カバー
フイルムを同継ぎ目部に溶融接着する。
【０００７】
【実施例】次に本発明のフッ素樹脂フィルムの溶融接着
方法を図１に示す一実施例により説明すると，１が鋼板
，２が接着剤，３がフッ素樹脂フィルム３，４がフッ素
樹脂フィルム（ライニング層）３同士の継ぎ目部，５が
カバーフイルム，６が噴射ノズル，７が熱風発生装置，
８が送風機と温度・流量調節器との収納ケース，９がカ
バーフイルムロールである。
【０００８】耐薬品性，耐腐食性，耐微生物性，非粘着
性等を有する高機能材のフッ素樹脂フィルムを塔槽類等
にライニングする際のライニング層の継ぎ目部を処理す
るに当たっては，鋼板１の上に接着剤２を塗布し，その
上に片面を特殊処理したフッ素樹脂フィルム３を乗せ，
これを鋼板１に貼り付けて，フッ素樹脂フィルム３のラ
イニング層を形成する。このフッ素樹脂フィルム３のラ
イニング層同士の継ぎ目部（突き合わせ部）４を接着す
る必要があるが，フッ素樹脂フィルム３同士の接着剤に
よる接着は，その表面物性（非粘着性）のため不可であ
る。
【０００９】そこでフッ素樹脂フィルム３が熱可塑性を
有する点に着目して，加熱溶融接着する。即ち，熱風発
生装置７に発生した熱風（３５０℃〜８００℃の熱風）
を噴射ノズル６から数〜数十ｍ／ｓｅｃの流速で継ぎ目
部４の上に乗せたカバーフイルム５の上面へ噴射して，
カバーフイルム５とフッ素樹脂フィルム３とを溶融状態
にして，また噴射熱風の風圧によりカバーフイルム５を
フッ素樹脂フィルム３に押し付けて，カバーフイルム５
をフッ素樹脂フィルム３に溶融接着する。
【００１０】このとき，カバーフイルムロール９からカ
バーフイルム５を次々に繰り出して，また噴射ノズル６
を矢印１０方向に移動させて，フッ素樹脂フィルム３の
ライニング層同士の継ぎ目部４の全域を溶融接着する。 なお２１は熱風温度，２２はフィルム間の温度を示して
いる。次に前記フッ素樹脂フィルムの溶融接着方法の具
体例を説明する。鋼板（ＳＳ４１製）１の片面に接着剤
２を塗布して，厚さ２５０μｍ程度のフッ素樹脂フィル
ム（Ｆ．Ｅ．Ｐ）３を貼り付け，同フッ素樹脂フィルム
３の突き合わせ継ぎ目部の上面に幅７ｍｍ程度，厚さ１
２５μｍ程度のカバーフイルム５を乗せて，内径５ｍｍ
φ程度の噴射ノズル６からカバーフイルム５へ，温度４
５０〜７５０℃程度の熱風を約５〜４０ｍ／ｓｅｃの流
速で噴射して，また噴射ノズル６を２〜６ｍ／ｓｅｃの
移動速度で移動させて，カバーフイルム５とフッ素樹脂
フィルム３とを連続的に溶融接着した。このとき，カバ
ーフイルム５とフッ素樹脂フィルム３との間の温度２２
は，フッ素樹脂フィルム（Ｆ．Ｅ．Ｐ）３の溶融温度約
２８０℃と急速ガス化開始温度：５４８℃との間にあり
，条件によって差異はあるが，３２０℃〜４９０℃であ
ることを計測した。
【００１１】なおフッ素樹脂フィルム（Ｆ．Ｅ．Ｐ）３
は，熱伝導立が非常に低いため，カバーフイルム５の厚
さが厚くなったり，材質が相違している場合（溶融温度
が異なっている場合），適正溶着範囲が若干異なり，適
宜，調整することが必要になる。
【００１２】
【発明の効果】本発明のフッ素樹脂フィルムの溶融接着
方法は前記のように耐薬品性，耐腐食性，耐微生物性，
非粘着性等を有する高機能材のフッ素樹脂フィルムを塔
槽類等にライニングする際のライニング層の継ぎ目部を
処理するに当たり，前記継ぎ目部にカバーフィルムを乗
せ，次いでこのカバーフイルムへ熱風を吹き付けて，同
カバーフイルムを同継ぎ目部に溶融接着するので，カバ
ーフィルムを塔槽類等にライニングしたフッ素樹脂フィ
ルムの継ぎ目部に，容易に溶融接着できる効果がある。
【図面の簡単な説明】
【図１】本発明に係わるフッ素樹脂フィルムの溶融接着
方法の一実施例を示す斜視図である。
【符号の説明】
１　　　　鋼板 ２　　　　接着剤 ３　　　　フッ素樹脂フィルム ４　　　　フッ素樹脂フィルム（ライニング層）３同士
の継ぎ目部 ５　　　　カバーフイルム ６　　　　噴射ノズル ７　　　　熱風発生装置 ８　　　　送風機と温度・流量調節器との収納ケース９
　　　　カバーフイルムロール

Claims (1)

    【特許請求の範囲】
  1. 【請求項１】　　耐薬品性，耐腐食性，耐微生物性，非
    粘着性等を有する高機能材のフッ素樹脂フィルムを塔槽
    類等にライニングする際のライニング層の継ぎ目部を処
    理するに当たり，前記継ぎ目部にカバーフィルムを乗せ
    ，次いでこのカバーフイルムへ熱風を吹き付けて，同カ
    バーフイルムを同継ぎ目部に溶融接着することを特徴と
    したフッ素樹脂フィルムの溶融接着方法。
JP3010031A 1991-01-30 1991-01-30 フッ素樹脂フィルムの溶融接着方法 Withdrawn JPH04244829A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3010031A JPH04244829A (ja) 1991-01-30 1991-01-30 フッ素樹脂フィルムの溶融接着方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3010031A JPH04244829A (ja) 1991-01-30 1991-01-30 フッ素樹脂フィルムの溶融接着方法

Publications (1)

Publication Number Publication Date
JPH04244829A true JPH04244829A (ja) 1992-09-01

Family

ID=11739026

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3010031A Withdrawn JPH04244829A (ja) 1991-01-30 1991-01-30 フッ素樹脂フィルムの溶融接着方法

Country Status (1)

Country Link
JP (1) JPH04244829A (ja)

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