JPH06340750A - フッ素樹脂の接着構造 - Google Patents

フッ素樹脂の接着構造

Info

Publication number
JPH06340750A
JPH06340750A JP5151116A JP15111693A JPH06340750A JP H06340750 A JPH06340750 A JP H06340750A JP 5151116 A JP5151116 A JP 5151116A JP 15111693 A JP15111693 A JP 15111693A JP H06340750 A JPH06340750 A JP H06340750A
Authority
JP
Japan
Prior art keywords
fluororesin
adhesive
corona discharge
bonded
groove
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Withdrawn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
JP5151116A
Other languages
English (en)
Inventor
Bunji Akimoto
文二 秋元
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.)
Olympus Corp
Original Assignee
Olympus Optical Co 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 Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP5151116A priority Critical patent/JPH06340750A/ja
Publication of JPH06340750A publication Critical patent/JPH06340750A/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Withdrawn legal-status Critical Current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
    • 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
    • B29C66/303—Particular design of joint configurations the joint involving an anchoring effect
    • B29C66/3032—Particular design of joint configurations the joint involving an anchoring effect making use of protrusions or cavities belonging to at least one of the parts to be joined
    • B29C66/30325—Particular design of joint configurations the joint involving an anchoring effect making use of protrusions or cavities belonging to at least one of the parts to be joined making use of cavities belonging to 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
    • B29C65/483—Reactive adhesives, e.g. chemically curing adhesives
    • B29C65/4835—Heat curing 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
    • 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
    • B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
    • B29C66/024—Thermal pre-treatments
    • B29C66/0246—Cutting or perforating, e.g. burning away by using a laser or using hot air
    • 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
    • B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
    • B29C66/028—Non-mechanical surface pre-treatments, i.e. by flame treatment, electric discharge treatment, plasma treatment, wave energy or particle radiation
    • 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
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap 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
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/21—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being formed by a single dot or dash or by several dots or dashes, i.e. spot joining or spot welding
    • 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
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/52—Joining tubular articles, bars or profiled elements
    • B29C66/522—Joining tubular articles
    • B29C66/5221—Joining tubular articles for forming coaxial connections, i.e. the tubular articles to be joined forming a zero angle relative to each other
    • 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
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/52—Joining tubular articles, bars or profiled elements
    • B29C66/526—Joining bars
    • B29C66/5261—Joining bars for forming coaxial connections, i.e. the bars to be joined forming a zero angle relative to each other
    • 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
    • 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
    • B29C65/52—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 way of applying the adhesive
    • B29C65/526—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 way of applying the adhesive by printing or by transfer from the surfaces of elements carrying the adhesive, e.g. using brushes, pads, rollers, stencils or silk screens
    • 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
    • B29C66/73—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/735—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the extensive physical properties 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
    • B29C66/70—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
    • B29C66/73—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/735—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the extensive physical properties of the parts to be joined
    • B29C66/7352—Thickness, e.g. very thin

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Plasma & Fusion (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)

Abstract

(57)【要約】 【目的】 フッ素樹脂製品を他の相手物に接着するに際
し、接着界面が剥がれて隙間やガタつきを生じることが
なく、しかも接着物の形状に制約のないフッ素樹脂の接
着構造を提供することを目的とする。 【構成】 フッ素樹脂と相手物とを接着剤により固着し
てなるフッ素樹脂の接着構造において、フッ素樹脂の接
着剤塗布面に孔部もしくは溝部を形成し、この孔部もし
くは溝部の表面にコロナ放電処理を施す。

Description

【発明の詳細な説明】
【０００１】
【産業上の利用分野】本発明は、フッ素樹脂製のパイ
プ，棒，板等を他のフッ素樹脂製品と若しくは他の材質
の製品と接着するためのフッ素樹脂の接着構造に関す
る。
【０００２】
【従来の技術】周知のように、フッ素樹脂は、表面に特
別な処理を施さない限り相手物に接着剤にて接着するこ
とができない。これは、フッ素樹脂の成分のフッ素と炭
素とが結合エネルギーの大きい共有結合で結合されてお
り、しかもフッ素同士の反発のため分子鎖は曲がり難く
剛直で、更に、表面エネルギーが著しく低いためであ
る。
【０００３】このため、例えば特開昭６２−１６４５２
５号公報では、円筒状のフッ素樹脂を接着するに際し、
フッ素樹脂の接着面に段差部を形成し、この段差部に接
着剤を流し込むことで、接着部の機械的強度を高めるよ
うにしている。
【０００４】
【発明が解決しようとする課題】ところが、上記公報に
記載された技術では、次のような問題点があった。 （１）フッ素樹脂製品と接着剤との間にほとんど接着力
が生じていないため、接着剤硬化後であっても接着剤と
フッ素樹脂との界面は簡単に剥がれるという問題点があ
った。このため、温度変化による収縮力あるいは外部か
らの応力や振動・衝撃が加わると、フッ素樹脂製品と接
着剤との界面に隙間やガタつきを生じて、気体や液体が
シールされなくなるという問題点があった。
【０００５】（２）さらに、同公報の技術は接着物の形
状に制約があり、接着物の一方が他方を挟み込み又は包
囲する形態でなければ適用できないという問題点があっ
た。具体的には、一方が丸パイプ，角パイプ等の部材で
ないと適用できないという制限があった。
【０００６】本発明は上記問題点に鑑みてなされたもの
で、フッ素樹脂製品を他の相手物に接着するに際し、接
着界面が剥がれて隙間やガタつきを生じることがなく、
しかも接着物の形状に制約のないフッ素樹脂の接着構造
を提供することを目的としている。
【０００７】
【課題を解決するための手段】上記目的を達成するため
に本発明では、フッ素樹脂と相手物とを接着剤により固
着してなるフッ素樹脂の接着構造において、フッ素樹脂
の接着剤塗布面に孔部もしくは溝部を形成し、この孔部
もしくは溝部の表面にコロナ放電処理を施すこととし
た。
【０００８】
【作用】上記構成からなる本発明のフッ素樹脂の接着構
造では、コロナ放電処理によりフッ素樹脂の表面を改質
して接着力を向上する。すなわち、コロナ放電処理は、
高周波電圧装置で発生した電子をフッ素樹脂表面に衝突
させて、フッ素樹脂表面の原子結合を断ち切り、他の極
性の強い官能基を結合させ、接着力を化学的に向上させ
るように働く。さらに放電粒子（主に電子）の衝突によ
りフッ素樹脂表面に微小な孔を形成し、接着力を物理的
ないし機械的に向上させるように働く。
【０００９】以下、添付図面を参照して本発明に係るフ
ッ素樹脂の接着構造の実施例を説明する。なお、図面の
説明において同一の要素には同一符号を付し、重複する
説明を省略する。
【００１０】
【実施例１】まず、本発明の実施例１を説明する。図１
はフッ素樹脂を接着する際の工程図である。図におい
て、符号１は放電電極１で、軸径２mmの丸棒の先端を直
径６mmの球状に形成したもので、コロナ放電装置（図示
せず）に接続されている。２は放電電極１から放電され
たコロナ放電、３はフッ素樹脂の丸棒で、外周には機械
加工により溝部４を形成している。また７は接着剤、８
は金属パイプである。
【００１１】次に、本実施例のフッ素樹脂の接着構造を
実験結果に基づいて説明する。まず、フッ素樹脂丸棒３
の接着剤塗布面、特に溝部４の周囲に、コロナ放電処理
を行う。本実施例ではフッ素樹脂丸棒３の表面から２mm
の距離に放電電極１の先端を設置し、丸棒３を回転させ
つつ、８０Ｗの出力にて１０分間放電した。なお、符号
６は放電により形成された微小孔を示している。
【００１２】次に、接着剤７をフッ素樹脂丸棒３の表面
にへらで均一に塗布し、金属パイプ８に挿入する。接着
剤７の硬化は５０℃のオープン内に７時間放置して行っ
た。
【００１３】次に、本実施例による溝部４の形状と接着
強度との関係を表１に示す。表１において、θ1 ，θ2
（度）はそれぞれ溝部４とフッ素樹脂丸棒３の表面との
なす角（図２参照）、ｄ（mm）は溝部４の深さを示して
いる。なお、金属パイプ８の材質はＳＵＳ４０３で、内
径は３．９９mm、外形は４．００mmである。また、フッ
素樹脂丸棒３の材質はＰＴＦＥであり、接着剤７は２液
混合型エポキシ系接着剤で、Ｔ−Ｅ−ＫＬＥＢＥＴＥＣ
ＨＮＩＫ社製アゴメットＰ７６（登録商標）のＡ剤とＢ
剤とを１対１に混合したものを用いた。
【００１４】
【表１】
【００１５】本実施例によれば、コロナ放電によりＰＴ
ＦＥの接触角を９７゜から５０゜に改質でき、接着剤の
接着力が大きくなった。更に、予め形成した溝部とコロ
ナ放電により形成された微小孔とに接着剤が侵入し、投
錨効果を生じるので、大きな接着強度と優れたシール効
果が得られた。
【００１６】
【実施例２】次に、本発明の実施例２を説明する。図３
はフッ素樹脂を接着する際の工程図である。図示の通り
この実施例では、フッ素樹脂の板材同士を接着すること
とした。フッ素樹脂板材３ａ，３ｂはともにＰＦＡの板
であり、溶融したＰＦＡを成形型に流し込んで形成した
もので、表面には直径３mmの孔部５を４箇所に設けてい
る。
【００１７】本実施例ではフッ素樹脂板材３ａ，３ｂの
各々の孔部５に対してコロナ放電処理を行った。すなわ
ち、孔部５の底面から２mmの距離の所に放電電極１の先
端を挿入し、８０Ｗの出力にて３分間放電した。なお、
放電電極１は直径１mmの棒状のものを使用した。そし
て、接着剤７をフッ素樹脂板材３ａ，３ｂの表面にへら
で均一に塗布し、接着剤７が硬化するまでクリップで固
定した。
【００１８】次に、本実施例による孔部５の形状と接着
強度との関係を表２に示す。表２において、θ1 ，θ2
（度）はそれぞれ孔部５とフッ素樹脂板材３ａ，３ｂの
表面とのなす角（図４参照）、ｄ（mm）は孔部５の深さ
を示している。なお、フッ素樹脂板材３ａ，３ｂの厚さ
は６mm、幅は１０mmである。
【００１９】
【表２】
【００２０】本実施例によれば、コロナ放電によりＰＦ
Ａの接触角を９８゜から４９゜に改質でき、接着剤の接
着力が大きくなった。更に、予め形成した孔部とコロナ
放電により形成された微小孔とに接着剤が侵入し、投錨
効果を生じるので、大きな接着強度と優れたシール効果
が得られた。
【００２１】なお、本発明は上記実施例に限定されるも
のではなく、例えば、上記実施例ではフッ素樹脂の形状
を丸棒及び板材としたが、任意の形状に対して適用可能
である。またフッ素樹脂としてＰＴＦＥ及びＰＦＡを用
いたが、他のフッ素樹脂（ＦＥＰ，ＰＣＴＦＥ，ＰＶＤ
Ｆ，ＥＴＦＥ，ＥＣＴＦＥ等）にも適用できる。さらに
接着剤としてはエポキシ系以外のシリコン系，アクリル
系等の接着剤も使用可能である。
【００２２】
【発明の効果】以上説明したように本発明によれば、フ
ッ素樹脂の接着剤塗布面に孔部もしくは溝部を形成し、
この孔部もしくは溝部の表面にコロナ放電処理を施した
ので、表面が改質されて化学的に結合力が向上するとと
もに、表面に微小孔を生じて物理的な結合力も向上す
る。したがって、接着界面の強度が高く、シール性も極
めて優れた接着構造を得ることができる。しかも、任意
の形状のフッ素樹脂に適用可能である。
【図面の簡単な説明】
【図１】本発明によりフッ素樹脂を接着する際の工程図
で、フッ素樹脂が棒材の場合について、放電処理ａ及び
接合処理ｂを示す断面図である。
【図２】本発明の実施例１を説明するための断面図であ
る。
【図３】本発明によりフッ素樹脂を接着する際の工程図
で、フッ素樹脂が板材の場合について、放電処理ａ及び
接合処理ｂを示す断面図である。
【図４】本発明の実施例２を説明するための断面図であ
る。
【符号の説明】
１ 放電電極 ２ コロナ放電 ３ フッ素樹脂丸棒 ３ａ，３ｂ フッ素樹脂板材 ４ 溝部 ５ 孔部 ６ 微小孔 ７ 接着剤 ８ 金属パイプ
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.5 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｃ０８Ｌ 27:12

Claims (1)

    【特許請求の範囲】
  1. 【請求項１】 フッ素樹脂と相手物とを接着剤により固
    着してなるフッ素樹脂の接着構造において、フッ素樹脂
    の接着剤塗布面に孔部もしくは溝部を形成し、この孔部
    もしくは溝部の表面にコロナ放電処理を施してなること
    を特徴とするフッ素樹脂の接着構造。
JP5151116A 1993-05-28 1993-05-28 フッ素樹脂の接着構造 Withdrawn JPH06340750A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5151116A JPH06340750A (ja) 1993-05-28 1993-05-28 フッ素樹脂の接着構造

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5151116A JPH06340750A (ja) 1993-05-28 1993-05-28 フッ素樹脂の接着構造

Publications (1)

Publication Number Publication Date
JPH06340750A true JPH06340750A (ja) 1994-12-13

Family

ID=15511715

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5151116A Withdrawn JPH06340750A (ja) 1993-05-28 1993-05-28 フッ素樹脂の接着構造

Country Status (1)

Country Link
JP (1) JPH06340750A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018038709A1 (en) * 2016-08-23 2018-03-01 Printpack Illinois, Inc. Strengthened seam articles and methods of making the same
EP3992473A4 (en) * 2019-06-25 2023-07-26 OMRON Corporation ASSEMBLY STRUCTURE

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018038709A1 (en) * 2016-08-23 2018-03-01 Printpack Illinois, Inc. Strengthened seam articles and methods of making the same
US10899086B2 (en) 2016-08-23 2021-01-26 Printpack Illinois, Inc. Strengthened seam articles and methods of making the same
EP3992473A4 (en) * 2019-06-25 2023-07-26 OMRON Corporation ASSEMBLY STRUCTURE

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