JPH0732481A - Method and machine for bonding fluorine containing plastic film - Google Patents
Method and machine for bonding fluorine containing plastic filmInfo
- Publication number
- JPH0732481A JPH0732481A JP5202043A JP20204393A JPH0732481A JP H0732481 A JPH0732481 A JP H0732481A JP 5202043 A JP5202043 A JP 5202043A JP 20204393 A JP20204393 A JP 20204393A JP H0732481 A JPH0732481 A JP H0732481A
- Authority
- JP
- Japan
- Prior art keywords
- bonding
- film
- films
- joining
- fluororesin
- 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.)
- Pending
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
- B29C66/90—Measuring or controlling the joining process
- B29C66/94—Measuring or controlling the joining process by measuring or controlling the time
-
- 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
-
- 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
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
-
- 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
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
- B29C65/24—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools characterised by the means for heating the tool
- B29C65/30—Electrical means
-
- 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
-
- 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
- B29C66/90—Measuring or controlling the joining process
- B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
- B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
- B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
- B29C66/91411—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature of the parts to be joined, e.g. the joining process taking the temperature of the parts to be joined into account
-
- 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
- B29C66/90—Measuring or controlling the joining process
- B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
- B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
- B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
- B29C66/91441—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature the temperature being non-constant over time
- B29C66/91443—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature the temperature being non-constant over time following a temperature-time profile
- B29C66/91445—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature the temperature being non-constant over time following a temperature-time profile by steps
-
- 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
- B29C66/90—Measuring or controlling the joining process
- B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
- B29C66/919—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges
-
- 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
- B29C66/90—Measuring or controlling the joining process
- B29C66/92—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools
- B29C66/929—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools characterized by specific pressure, force, mechanical power or displacement values or ranges
-
- 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
- B29C65/04—Dielectric heating, e.g. high-frequency welding, i.e. radio frequency welding of plastic materials having dielectric properties, e.g. PVC
-
- 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
- B29C66/0242—Heating, or preheating, e.g. drying
-
- 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
- B29C66/40—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
- B29C66/90—Measuring or controlling the joining process
- B29C66/94—Measuring or controlling the joining process by measuring or controlling the time
- B29C66/949—Measuring or controlling the joining process by measuring or controlling the time characterised by specific time values or ranges
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、含フッ素樹脂系フィル
ムの接合方法及び接合機械に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and a machine for bonding fluororesin-based films.
【０００２】[0002]
【従来の技術】従来よりフィルムの接合方法は種々提案
されている。例えば塩化ビニル樹脂、ポリエチレン樹脂
及びポリ酢酸ビニル樹脂フィルム等の農業用フィルムで
は、加熱ヒーター、もしくは高周波ウエルダー等によ
り、フィルムを接合している。2. Description of the Related Art Conventionally, various methods for joining films have been proposed. For example, for agricultural films such as vinyl chloride resin, polyethylene resin, and polyvinyl acetate resin films, the films are joined by a heater or a high-frequency welder.
【０００３】しかしながら、これら接合方法では、含フ
ッ素樹脂系フィルムを効率的に接合することはできず、
業界からは、これら含フッ素樹脂系フィルムの新規な接
合方法の開発が望まれていた。However, these joining methods cannot efficiently join the fluororesin-based film,
From the industry, it has been desired to develop a new joining method for these fluororesin-based films.
【０００４】[0004]
【発明が解決しようとする課題】本発明の目的は前述の
課題を解決すべくなされたものであり、従来より全く知
られていなかった新規な含フッ素樹脂系フィルムの接合
方法を提供することを目的とするものである。SUMMARY OF THE INVENTION The object of the present invention is to solve the above-mentioned problems, and it is an object of the present invention to provide a novel fluorine-containing resin film bonding method which has never been known. It is intended.
【０００５】[0005]
【課題を解決するための手段】本発明は、前述の課題を
解決すべくなされたものであり、含フッ素樹脂系フィル
ムを互がいに連続的に接合する方法において、予め前記
フィルムを予熱し、次いで２００℃以上の温度で０.５k
g/cm2以上の圧力の下、１秒間以上加熱圧着した後、冷
却することを特徴とした含フッ素樹脂系フィルムの接合
方法を提供することを目的とするものである。Means for Solving the Problems The present invention has been made to solve the above-mentioned problems, and in a method of continuously joining fluororesin-based films to each other, preheating the films in advance, Then 0.5k at a temperature above 200 ℃
It is an object of the present invention to provide a method for joining a fluororesin-based film, which comprises heating and pressure bonding for 1 second or more under a pressure of g / cm 2 or more and then cooling.
【０００６】しかして、本発明によれば、従来全く不可
能とされていた含フッ素樹脂系フィルムの接合をいずれ
の人でも容易で、確実でさらに安全に作用する含フッ素
樹脂系フィルムの効果的な接合方法が得られるのであ
る。以下、本発明の構成要因について、さらに詳細に説
明する。Therefore, according to the present invention, it is possible to join a fluororesin film, which has heretofore been impossible at all, by any person, and it is effective that the fluororesin film acts reliably and safely. Therefore, various joining methods can be obtained. Hereinafter, the constituent factors of the present invention will be described in more detail.
【０００７】本発明において、含フッ素樹脂とは、フッ
素を含むオレフインの重合によって得られる合成樹脂を
総称するものであり、本発明では一般にフッ素含有量が
４５重量％以上、特に５０重量％以上のものが好適に使
用される。そのようなフッ素樹脂としては、例えばエチ
レン−テトラフルオロエチレン系共重合体、エチレン−
クロロトリフルオロエチレン系共重合体、ヘキサフルオ
ロプロピレン−テトラフルオロエチレン系共重合体、パ
ーフルオロアルキルビニルエーテル−テトラフルオロエ
チレン系共重合体、、ポリフッ化ビニリデン、ポリフッ
化ビニル等が挙げられ、本発明では、これらのいずれで
も使用可能であるが、中でも、エチレン−テトラフルオ
ロエチレン系共重合体が好適である。In the present invention, the fluorine-containing resin is a general term for synthetic resins obtained by polymerization of olefin containing fluorine, and in the present invention, the fluorine content is generally 45% by weight or more, particularly 50% by weight or more. Those are preferably used. Examples of such a fluororesin include ethylene-tetrafluoroethylene copolymer and ethylene-
Chlorotrifluoroethylene-based copolymers, hexafluoropropylene-tetrafluoroethylene-based copolymers, perfluoroalkyl vinyl ether-tetrafluoroethylene-based copolymers, polyvinylidene fluoride, polyvinyl fluoride and the like, and in the present invention. Any of these can be used, but among them, an ethylene-tetrafluoroethylene copolymer is preferable.
【０００８】エチレン−テトラフルオロエチレン系共重
合体は、エチレン及びテトラフルオロエチレンを主体と
し（エチレン／テトラフルオロエチレンのモル比は一般
に４０／６０〜６０／４０にある）、そして必要によ
り、これに少量（通常１０モル％以下）の第３のコモノ
マー成分を共重合させたものであり、本発明では殊に、
エチレン／テトラフルオロエチレンの含有モル比が４０
／６０〜６０／４０、好ましくは４５／５５〜５５／４
５の範囲内にあり、且つ式CH2=CH-CnF2n+1（ここで、n
は２〜１０の整数である）で示されるパーフルオロアル
キルビニルモノマー単位（例えば、CH2=CH-C4H9またはC
H2=CH-C6H13から誘導される単位）の含有量が０.１〜１
０モル％、好ましくは０.３〜５モル％の範囲内にある
エチレン−テトラフルオロエチレン系共重合体が好適に
使用される。このエチレン−テトラフルオロエチレン系
共重合体はそれ自体既知のものであり、例えば特公昭５
９−５０１６３号公報に記載の方法で製造することがで
き、また、市販品として旭硝子(株)より「アフロン Ｃ
ＯＰ」なる商品名で市販されているものを使用すること
もできる。The ethylene-tetrafluoroethylene copolymer is mainly composed of ethylene and tetrafluoroethylene (the molar ratio of ethylene / tetrafluoroethylene is generally 40/60 to 60/40), and if necessary, A small amount (usually 10 mol% or less) of a third comonomer component is copolymerized, and in the present invention, in particular,
Ethylene / tetrafluoroethylene content molar ratio is 40
/ 60 to 60/40, preferably 45/55 to 55/4
5 and the formula CH 2 = CH-CnF 2n + 1 (where n
Is an integer from 2 to 10) (for example, CH 2 ═CH—C 4 H 9 or C).
H 2 = CH-C 6 H 13 derived units) content is 0.1 to 1
An ethylene-tetrafluoroethylene copolymer in the range of 0 mol%, preferably 0.3 to 5 mol% is preferably used. This ethylene-tetrafluoroethylene-based copolymer is known per se, for example, Japanese Patent Publication No.
It can be produced by the method described in JP-A-9-50163, and is commercially available from Asahi Glass Co., Ltd. under the name "Aflon C".
It is also possible to use a commercially available product under the trade name "OP".
【０００９】以上に述べたフッ素樹脂からのフィルムの
成形はそれ自体公知の方法に従い、例えば押出成形法、
インフレーション成形法等により行なうことができる。The film formation from the above-mentioned fluororesin is carried out according to a method known per se, for example, an extrusion molding method,
It can be performed by an inflation molding method or the like.
【００１０】また、本発明に於いて「予熱工程」とは、
次工程に於けるフィルムの昇温を容易にするための前提
条件であり、その予熱条件は１５０℃以上、１秒以上が
好ましく、具体的には、１５０℃〜２５０℃、１〜３秒
間の範囲で、特に好ましくは２００℃、１秒間である。In the present invention, the "preheating step" means
It is a precondition for facilitating the temperature rise of the film in the next step, and its preheating condition is preferably 150 ° C or higher and 1 second or longer, and specifically, 150 ° C to 250 ° C and 1 to 3 seconds. The range is particularly preferably 200 ° C. for 1 second.
【００１１】次の「加熱圧着工程」は、フィルムの接合
すべき部分を熔融乃至熔融状態に近い温度まで加熱して
圧着するもので、その加熱圧着条件は２００℃以上、圧
力０.５kg/cm2以上、１秒間以上の加熱圧着が好まし
く、具体的には、２５０〜３００℃、０.５〜２kg/c
m2、１〜３秒間で、特に好ましくは、２８０℃、１kg/c
m2、１.５秒間である。In the next "thermocompression bonding step", the portions to be joined of the film are melted or pressure-bonded by heating to a temperature close to a molten state. The thermocompression bonding conditions are 200 ° C. or more and the pressure is 0.5 kg / cm. Thermocompression bonding of 2 or more and 1 second or more is preferable, specifically, 250 to 300 ° C, 0.5 to 2 kg / c
m 2 , 1 to 3 seconds, particularly preferably 280 ° C., 1 kg / c
m 2 , 1.5 seconds.
【００１２】最後の「冷却工程」は接合部分の接合をよ
り確実にするための工程であり、その冷却条件は、１０
〜５０℃１〜４秒間で、具体的には空冷及び水冷等によ
り目的を達成し得また、上記各工程に於ける温度、処理
時間、圧力等は、接合すべき含フッ素樹脂系フィルムの
樹脂組成、厚み、要求される接合強度及び生産性などを
考慮して適切な条件が選定されることは言うまでもな
い。The final "cooling step" is a step for ensuring the joining of the joining portions, and the cooling condition is 10
The temperature, the treatment time, the pressure, etc. in each of the above steps can be achieved by heating at 50 ° C for 1 to 4 seconds, specifically by air cooling or water cooling. Needless to say, appropriate conditions are selected in consideration of composition, thickness, required bonding strength, productivity, and the like.
【００１３】次に本発明に於ける含フッ素樹脂系フィル
ムの接合機械とは前記３工程即ち予熱、加熱圧着、冷却
の各操作を基本的要素とし、且つこれらを連続的に行な
うものである。Next, the fluorine-containing resin film joining machine in the present invention has the above-mentioned three steps, ie, preheating, heating and pressure bonding, and cooling operations as basic elements, and these are continuously performed.
【００１４】ここに於いて加熱方式に制約はないが、電
気ヒーターを内蔵した熱板に、フッ素樹脂処理したガラ
スクロスを介して、含フッ素樹脂系フィルムを接触させ
て加熱する方式が好ましい。The heating method is not limited here, but a method of heating by heating a fluororesin-based film through a fluororesin-treated glass cloth to a hot plate containing an electric heater is preferable.
【００１５】このようにして接合された含フッ素樹脂系
フィルムは施設園芸用ハウスに対する被覆材として、フ
イルムの張設工事の簡略化、安定した張設状態の実現を
もたらし、業界に大きく寄与するものである。The fluorine-containing resin film thus joined serves as a covering material for greenhouses for facilities and gardens, which simplifies the construction work of the film and realizes a stable installation condition, which greatly contributes to the industry. Is.
【００１６】以下、実施例を以つて更に詳しく説明する
が、本発明は実施例にのみ限定されるものでないことは
言うまでもない。Hereinafter, the present invention will be described in more detail with reference to examples, but it goes without saying that the present invention is not limited to the examples.
【００１７】[0017]
実施例Ａ（含フッ素樹脂フィルムの調整） 含フッ素樹脂の代表としてエチレン−テトラフルオロエ
チレン共重合体（ＥＴＦＥ」の「アフロン ＣＯＰ」
（旭硝子(株)製）を選び、押出成形により、厚み２４
μ、６０μ、１６０μのフィルムを得た。Example A (Preparation of Fluorine-Containing Resin Film) As a representative of fluorine-containing resin, ethylene-tetrafluoroethylene copolymer (ETFE) “Aflon COP”
(Asahi Glass Co., Ltd.) is selected and the thickness is 24 by extrusion molding.
Films of μ, 60μ and 160μ were obtained.
【００１８】実施例Ｂ（フィルムの接合） 接合すべき部分と重ね合わせた２枚のフィルムを、フッ
素樹脂処理したガラスクロスを介して、２枚の熱板の間
に挟み、先ず予熱し、次に加熱圧着し、冷却したのち、
所定の形状に裁断し試料を得た。フィルムの接合条件と
接合評価を表１に示した。Example B (Film Bonding) Two films superposed on the parts to be bonded are sandwiched between two hot plates via a glass cloth treated with a fluororesin, first preheated, and then heated. After crimping and cooling,
A sample was obtained by cutting into a predetermined shape. The bonding conditions and the bonding evaluation of the film are shown in Table 1.
【００１９】[0019]
【表１】 [Table 1]
【００２０】表１に示した物性値の測定方法は次の通り
である。接合強度の測定方法は、接合部（１８mm）を挟
んだダンベル型の試料（幅３mm）を作り、ＡＳＴＭ Ｄ
８８２に準拠した引張試験方法によった（引張速度２０
０mm／分）。The methods for measuring the physical properties shown in Table 1 are as follows. The bonding strength is measured by making a dumbbell-shaped sample (width 3 mm) sandwiching the joint (18 mm) and
882 according to the tensile test method (tensile speed 20
0 mm / min).
【００２１】接合したフィルムの実用性の評価基準は以
下に述べる通りである。 ○ 引張試験に於いて、接合部以外の部分（フィルム原
反）が破断する場合 × 引張試験に於いて、接合部が破断又は剥離する場合The criteria for evaluating the practicality of the bonded film are as described below. ○ In the tensile test, the part other than the bonded part (raw film film) breaks. × In the tensile test, the bonded part breaks or peels.
Claims (5)
的に接合する方法において、予め前記フィルムを予熱
し、次いで２００℃以上の温度で０.５kg/cm2以上の圧
力の下、１秒間以上加熱圧着して後、冷却することを特
徴とした含フッ素樹脂系フィルムの接合方法。1. A method of continuously joining fluororesin-based films to each other, wherein the films are preheated in advance and then at a temperature of 200 ° C. or higher and a pressure of 0.5 kg / cm 2 or higher for 1 second. A method for joining fluororesin-based films, which comprises heating and pressure bonding as described above, and then cooling.
オロエチレン共重合体（ＥＴＦＥ）である請求項１記載
の接合方法。2. The joining method according to claim 1, wherein the fluorine-containing resin is an ethylene-tetrafluoroethylene copolymer (ETFE).
以上である請求項１記載の接合方法。3. The bonding method according to claim 1, wherein the preheating condition is a temperature of 150 ° C. or higher and a time of 1 second or longer.
項１〜３いずれか記載の接合方法。4. The joining method according to claim 1, wherein the film is an agricultural film.
的に接合する装置において、少なくとも予め１５０℃以
上のフィルム予熱装置と、２００℃以上の温度で０.５k
g/cm2以上の圧力の下、１秒間以上加熱圧着する加熱圧
着装置と、さらに圧着後、フィルムを冷却する冷却装置
とを具備してなることを特徴とする含フッ素樹脂系フィ
ルムの接合機械。5. A device for continuously joining fluororesin-based films to each other continuously, at least in advance with a film preheating device of 150 ° C. or higher and 0.5 k at a temperature of 200 ° C. or higher.
A fluorine-containing resin film bonding machine, comprising a thermocompression bonding device for thermocompression bonding for 1 second or more under a pressure of g / cm 2 or more, and a cooling device for cooling the film after pressure bonding. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5202043A JPH0732481A (en) | 1993-07-23 | 1993-07-23 | Method and machine for bonding fluorine containing plastic film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5202043A JPH0732481A (en) | 1993-07-23 | 1993-07-23 | Method and machine for bonding fluorine containing plastic film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0732481A true JPH0732481A (en) | 1995-02-03 |
Family
ID=16450985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5202043A Pending JPH0732481A (en) | 1993-07-23 | 1993-07-23 | Method and machine for bonding fluorine containing plastic film |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0732481A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003078139A1 (en) * | 2002-03-20 | 2003-09-25 | Asahi Glass Company, Limited | Method of bonding fluororesin films and fluororesin film |
-
1993
- 1993-07-23 JP JP5202043A patent/JPH0732481A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003078139A1 (en) * | 2002-03-20 | 2003-09-25 | Asahi Glass Company, Limited | Method of bonding fluororesin films and fluororesin film |
| US7794558B2 (en) | 2002-03-20 | 2010-09-14 | Asahi Glass Company, Limited | Method of bonding fluororesin films, and fluororesin film |
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