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JPS61258727A - Fluorine elastomer thermal shrinkage tube - Google Patents

Fluorine elastomer thermal shrinkage tube

Info

Publication number
JPS61258727A
JPS61258727A JP10226685A JP10226685A JPS61258727A JP S61258727 A JPS61258727 A JP S61258727A JP 10226685 A JP10226685 A JP 10226685A JP 10226685 A JP10226685 A JP 10226685A JP S61258727 A JPS61258727 A JP S61258727A
Authority
JP
Japan
Prior art keywords
copolymer
fluoroolefin
pts
vinylidene fluoride
tetrafluoroethylene
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
Application number
JP10226685A
Other languages
Japanese (ja)
Other versions
JPH0217341B2 (en
Inventor
Keiji Ueno
上野　桂二
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.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric 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 Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Priority to JP10226685A priority Critical patent/JPS61258727A/en
Priority to DE8686106548T priority patent/DE3673066D1/en
Priority to EP86106548A priority patent/EP0203457B1/en
Publication of JPS61258727A publication Critical patent/JPS61258727A/en
Priority to US07/188,724 priority patent/US4960624A/en
Publication of JPH0217341B2 publication Critical patent/JPH0217341B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
    • H01B3/443—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from vinylhalogenides or other halogenoethylenic compounds
    • H01B3/445—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from vinylhalogenides or other halogenoethylenic compounds from vinylfluorides or other fluoroethylenic compounds
    • 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
    • B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
    • B29C61/003—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor characterised by the choice of material
    • 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
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/04—After-treatment of articles without altering their shape; Apparatus therefor by wave energy or particle radiation, e.g. for curing or vulcanising preformed articles
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F259/00—Macromolecular compounds obtained by polymerising monomers on to polymers of halogen containing monomers as defined in group C08F14/00
    • C08F259/08—Macromolecular compounds obtained by polymerising monomers on to polymers of halogen containing monomers as defined in group C08F14/00 on to polymers containing fluorine
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08L27/18—Homopolymers or copolymers or tetrafluoroethene
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
    • H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
    • 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
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0866—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using particle radiation
    • B29C2035/0877—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using particle radiation using electron radiation, e.g. beta-rays
    • 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
    • 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
    • B29K2027/18—PTFE, i.e. polytetrafluorethene, e.g. ePTFE, i.e. expanded polytetrafluorethene
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/49—Nc machine tool, till multiple
    • G05B2219/49293—Switch between dual, double slide or double spindle mode

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

PURPOSE:To improve low temperature property by a method wherein a composition, prepared by blending 100wt.pts. of tetrafluoroethylenepropylene series copolymer with 10-100wt.pts. of vinylidene fluoride-fluoroolefin copolymer and crosslinkage promoter and crosslinking them through the projection of electron rays, is employed for the material of the titled tube. CONSTITUTION:The vinylidene fluoride-fluoroolefin copolymer, containing 1-20mol% of fluoroolefin, is employed for this purpose. 6-propylene fluoride or 4-ethylene fluoride are preferable in workability or the like, as such fluoroolefin. In case 100wt.pts of tetrafluoroethylene-propylene copolymer is blended with less than 10wt.pts. of vinylidene fluoride-fluoroolefin copolymer, sufficient heat-set can not be effected for the thermoshrinkage tube. On the other hand, in case more than 100wt.pts. of vinylidene fluoride-fluoroolefine copolymer is blended,the effect of improvement of low temperature property, due to the projection of electron rays, can not be realized or still becomes worse.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は二種以上のフッ素樹脂を混合したフッ素エラス
トマー熱収縮チューブの低温性を改善することを目的と
する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The object of the present invention is to improve the low-temperature properties of a fluoroelastomer heat-shrinkable tube made of a mixture of two or more fluororesins.

〔従来の技術〕[Conventional technology]

フッ素エラストマーは、優れた耐熱性、耐油性、耐薬品
性を活かして、ガスケット、バッキング、ホース等の用
途に使用されている。かかる特性から端末保護用熱収縮
チューブなどの電気絶縁材料としての要求も高い。しか
し、従来から用いられているフッ素エラストマーでは、
電気絶縁特性や機械的強度に劣るといった種々の欠点が
あり、改善が望まれていた。近年、特に電気絶縁特性に
優れたフッ素エラストマーとして、テトラフルオロエチ
レン−プロピレン系共重合体が開発された。Fluorine elastomers are used for gaskets, backings, hoses, etc. due to their excellent heat resistance, oil resistance, and chemical resistance. Due to these characteristics, there is a high demand for it as an electrically insulating material such as heat-shrinkable tubes for terminal protection. However, with conventionally used fluoroelastomers,
It has various drawbacks such as poor electrical insulation properties and poor mechanical strength, and improvements have been desired. In recent years, tetrafluoroethylene-propylene copolymers have been developed as fluoroelastomers with particularly excellent electrical insulation properties.

テトラフルオロエチレン−プロピレン系共重合体として
は、主成分のテトラフルオロエチレンとプロピレンに加
え、これらのものと共重合可能な成分、例えばエチレン
、イソブチレン、アクリル酸及びそのアルキルエステル
、メタクリル酸およびそのアルキルエステル、フッ化ビ
ニル、フッ化ビニリチン、ヘキサフルオロプロペン、ク
ロロエチルビニルエーテル、クロロトリフルオロエチレ
ン、パーフルオロアルキルビニルエーテル等ヲ適当量含
有したものでも良い。所がかかる共重合体を絶縁体とし
て電線熱収縮チューブ等に使用する場合、機械的強度が
低く、そのままでは使用出来ないものであった。且つ熱
収縮チューブとしてヒートセ加する必要があり、結晶性
フッ素樹脂として、エチレン−テトラフルオロエチレン
共重合体、テトラフルオロエチレン−ヘキサフルオロプ
ロピレン共重合体、ポリフッ化ビニリデン、フッ化ビニ
リデン−フルオロオレフィン共重合体等を該フッ素エラ
ストマーとのブレンドを検討シた。Tetrafluoroethylene-propylene copolymers include, in addition to the main components tetrafluoroethylene and propylene, components that can be copolymerized with these, such as ethylene, isobutylene, acrylic acid and its alkyl esters, methacrylic acid and its alkyl esters. It may contain an appropriate amount of ester, vinyl fluoride, vinylitine fluoride, hexafluoropropene, chloroethyl vinyl ether, chlorotrifluoroethylene, perfluoroalkyl vinyl ether, and the like. However, when such a copolymer is used as an insulator in heat-shrinkable wire tubes, etc., its mechanical strength is low and it cannot be used as is. In addition, it is necessary to heat-sew the tube as a heat-shrinkable tube, and as the crystalline fluororesin, ethylene-tetrafluoroethylene copolymer, tetrafluoroethylene-hexafluoropropylene copolymer, polyvinylidene fluoride, and vinylidene fluoride-fluoroolefin copolymer are used. We considered blending the fluoroelastomer with the fluoroelastomer.

〔発明が解決しようとする問題点〕[Problem that the invention seeks to solve]

しかるに、これらのフッ素樹脂とのブレンドにより機械
的強度の改善は計れるものの、低温性が悪化し、通常の
絶縁用熱収縮チューブとして要求される一１０℃の低温
試験にも合格せず、使用出来ないものであった。本発明
は、この低温性を改善すべく鋭意検討しに結果、到達し
たものである。However, although the mechanical strength can be improved by blending with these fluororesins, the low-temperature properties deteriorate, and the tube could not pass the low-temperature test of -10℃ required for ordinary heat-shrinkable insulation tubes, making it unusable. It was something that didn't exist. The present invention was arrived at as a result of intensive studies to improve this low-temperature property.

〔問題点を解決するための手段〕[Means for solving problems]

本発明は、テトラフルオロエチレン−プロピレン系共重
合体１００重量部にフッ化ビニリデン−フルオロオレフ
ィン共重合体を１０重量部以上１００重量部未満と架橋
促進剤を配合し電子線照射により架橋せしめた組成物を
用いたことを特徴とするフッ素ニジストマー熱収縮チュ
ーブである。本発明において用いられるフッ化ビニリデ
ン−フルオロオレフィン共重合体は、フルオロオレフィ
ンが１〜２０モル％のものである。この様なフルオロフ
レフィンとしては六フッ化プロピレン又は四フッ化エチ
レンが加工性等の点で好ましい。フッ化ビニリデン−フ
ルオロオレフィン共重合体がテトラフルオロエチレン−
プロピレン共！！合体１００！ｉ量部に対して、１０重
量部以上である理由は、１０重量部未満では”、熱収縮
チューブとして十分をζヒートセット出来ない為である
。一方、フッ化ビニリデン−フルオロオレフィン共重合
体の添加量が１００重量部未満である理由は、１００重
量部以上の添加では、電子線照射による低温性改善の効
果が現われないか、むしろ悪くなる為である。The present invention is a composition in which 100 parts by weight of a tetrafluoroethylene-propylene copolymer is blended with 10 parts by weight or more and less than 100 parts by weight of a vinylidene fluoride-fluoroolefin copolymer and a crosslinking accelerator, and the mixture is crosslinked by electron beam irradiation. This is a heat-shrinkable fluorine distomer tube characterized in that it uses a fluorinated material. The vinylidene fluoride-fluoroolefin copolymer used in the present invention has a fluoroolefin content of 1 to 20 mol%. As such fluoroflefin, hexafluoropropylene or tetrafluoroethylene is preferable from the viewpoint of processability and the like. Vinylidene fluoride-fluoroolefin copolymer is tetrafluoroethylene-
Propylene too! ! Combine 100! The reason why the amount is 10 parts by weight or more with respect to i part is that if it is less than 10 parts by weight, it cannot be sufficiently heat set as a heat shrink tube. The reason why the amount added is less than 100 parts by weight is that if 100 parts by weight or more is added, the effect of improving low temperature properties by electron beam irradiation does not appear, or rather becomes worse.

以下に具体例をもって本発明について説明する。The present invention will be explained below using specific examples.

〔実施例〕〔Example〕

実施例１〜４ 第１表に示した樹脂組成物を内径４理、肉厚０．５既の
サイズで押出した後、２ＭｅＶの電子線加速器で１０　
Ｍｒａｄ　　電子線を照射した。該チューブを１５０℃
の加熱炉で加熱した後、内径が６肱になる様体径制御用
ダイス中で内圧をかけ、冷却後熱収縮チューブと成した
。該熱収縮チューブを１８０°Ｃ−５分恒温槽）ζ入れ
収縮させた後、低温脆化試験を行ないチューブが破壊し
ない最低温度を測定した。低温脆化試験の結果を第１表
シー示した。Examples 1 to 4 After extruding the resin compositions shown in Table 1 to a size with an inner diameter of 4 and a wall thickness of 0.5, extrusion was performed using a 2 MeV electron beam accelerator for 10
Irradiated with Mrad electron beam. The tube was heated to 150°C.
After heating in a heating furnace, internal pressure was applied in a diameter control die having an inner diameter of 6 mm, and after cooling, a heat-shrinkable tube was formed. After the heat-shrinkable tube was placed in a constant temperature bath at 180° C. for 5 minutes to shrink, a low-temperature embrittlement test was conducted to measure the lowest temperature at which the tube would not break. The results of the low temperature embrittlement test are shown in Table 1.

比較例１〜５ 第１表に示した樹脂組成物で実施例と同様にして熱収縮
チューブを作成し、低温脆化試験を行なった。Comparative Examples 1 to 5 Heat-shrinkable tubes were prepared using the resin compositions shown in Table 1 in the same manner as in the examples, and subjected to a low-temperature embrittlement test.

その結果、テトラフルオロエチレン−プロピレン系共重
合体単独ではヒートセット出来ず、熱収縮チューブには
出来なかった。As a result, it was not possible to heat set the tetrafluoroethylene-propylene copolymer alone, and it was not possible to make a heat-shrinkable tube.

〔発明の効果〕〔Effect of the invention〕

第１表に示した様に、テトラフルオロエチレン−プロピ
レン系共重合体、フッ化ビニリデン−フルオロオレフィ
ン共重合体各々単独及びテトラフルオロエチレン−プロ
ピレン系共重合体１００　重ｉ部に対し、フッ化ビニリ
デン−フルオロオレフィン共重合体を１００重量部以上
添加した樹脂組成物では、電子線照射しても、低温性が
むしろ悪くなるが、変化が見られなかった。一方、本発
明になる樹脂組成物では、いずれも電子線照射により、
低温性の改善が見られ、−１０℃での使用が可能となっ
た。As shown in Table 1, tetrafluoroethylene-propylene copolymer, vinylidene fluoride-fluoroolefin copolymer each alone and tetrafluoroethylene-propylene copolymer 100 parts by weight, vinylidene fluoride - In a resin composition to which 100 parts by weight or more of a fluoroolefin copolymer was added, no change was observed, although the low-temperature properties rather deteriorated even when irradiated with an electron beam. On the other hand, in the resin composition of the present invention, both
Improvement in low temperature properties was observed, and it became possible to use at -10°C.

手　　続　　補　　正　　書 昭和６１年４月１５日 特許庁長官　　宇　賀　道　部　　殿 ２　発明の名称 フッ索エラストマー熱収縮チューブ ＆　補正をする者 事件との関係　　　　　　特許出願人 任　所　　　　大阪市東区北浜５丁目１５番地名　称（
２１３）住友電気工業株式会社社　長　　　川　　　上
　　　哲　　　部４、代理人 住　　所　　　　大阪市此花区島屋１丁目１番３号住友
電気工業株式会社内 ６、補正の対象 明細寄生発明の詳細な説明の欄 ７、補正の内容 （１）明細書第３頁第１３行の「共重合体等を」の後に
「用い」を加入する。Procedures Amendment Written April 15, 1986 Michibe Uga, Commissioner of the Patent Office 2 Title of the invention: Fluorine elastomer heat-shrinkable tube & Relationship to the person making the amendment Case Appointment of patent applicant Location: 5-chome, Kitahama, Higashi-ku, Osaka No. 15 name (
213) President Tetsu Kawakami Department 4, Sumitomo Electric Industries, Ltd. Address: 6, Sumitomo Electric Industries, Ltd., 1-1-3 Shimaya, Konohana-ku, Osaka City, Detailed explanation of parasitic invention subject to amendment 7. Contents of amendment (1) "Using" is added after "copolymer etc." on page 3, line 13 of the specification.

（２）　ｉＪ１細書第６頁第９〜１０行の「悪くなるが
、」を「悪くなるか、」と補正する。(2) "It's going to get worse, but" on page 6, lines 9-10 of the iJ1 specification is corrected to "I wonder if it's going to get worse."

Claims (2)

【特許請求の範囲】[Claims] （１）テトラフルオロエチレン−プロピレン系共重合体
１００重量部に対しフルオロオレフィンが１〜２０モル
％含有するフッ化ビニリデン−フルオロオレフィン（フ
ルオロオレフィンが１〜２０モル％）共重合体１０重量
部以上１００重量部未満および架橋促進剤を配合してな
り電子線照射により架橋せしめた組成物からなることを
特徴とするフッ素エラストマー熱収縮チューブ。(1) 10 parts by weight or more of vinylidene fluoride-fluoroolefin (1-20 mol% fluoroolefin) copolymer containing 1-20 mol% of fluoroolefins per 100 parts by weight of tetrafluoroethylene-propylene copolymer A fluoroelastomer heat-shrinkable tube comprising a composition containing less than 100 parts by weight and a crosslinking accelerator and crosslinked by electron beam irradiation. （２）フッ化ビニリデン−フルオロオレフィン共重合体
におけるフルオロオレフィンが六フッ化プロピレン又は
四フッ化エチレンである特許請求の範囲第１項記載のフ
ッ素エラストマー熱収縮チューブ。(2) The fluoroelastomer heat-shrinkable tube according to claim 1, wherein the fluoroolefin in the vinylidene fluoride-fluoroolefin copolymer is hexafluoropropylene or tetrafluoroethylene.
JP10226685A 1985-05-14 1985-05-14 Fluorine elastomer thermal shrinkage tube Granted JPS61258727A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP10226685A JPS61258727A (en) 1985-05-14 1985-05-14 Fluorine elastomer thermal shrinkage tube
DE8686106548T DE3673066D1 (en) 1985-05-14 1986-05-14 FLUORELASTOMER COMPOSITION AND THESE CONTAINING HEAT-SHRINKABLE ITEMS.
EP86106548A EP0203457B1 (en) 1985-05-14 1986-05-14 Fluoroelastomer composition and heat shrinkable articles comprising same
US07/188,724 US4960624A (en) 1985-05-14 1988-04-29 Fluoroelastomer composition and heat shrinkable articles comprising same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10226685A JPS61258727A (en) 1985-05-14 1985-05-14 Fluorine elastomer thermal shrinkage tube

Publications (2)

Publication Number Publication Date
JPS61258727A true JPS61258727A (en) 1986-11-17
JPH0217341B2 JPH0217341B2 (en) 1990-04-20

Family

ID=14322790

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10226685A Granted JPS61258727A (en) 1985-05-14 1985-05-14 Fluorine elastomer thermal shrinkage tube

Country Status (1)

Country Link
JP (1) JPS61258727A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63278955A (en) * 1987-05-12 1988-11-16 Hitachi Cable Ltd Production of crosslinked molding of fluorine-containing elastomer
JPH01255522A (en) * 1988-04-06 1989-10-12 Sumitomo Electric Ind Ltd Heat-resistant, oil-resistant heat shrinkable tube and insulated electric wire
JPH03159514A (en) * 1989-11-15 1991-07-09 Fujikura Ltd Terminal and joint of power cable

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63278955A (en) * 1987-05-12 1988-11-16 Hitachi Cable Ltd Production of crosslinked molding of fluorine-containing elastomer
JPH01255522A (en) * 1988-04-06 1989-10-12 Sumitomo Electric Ind Ltd Heat-resistant, oil-resistant heat shrinkable tube and insulated electric wire
JPH03159514A (en) * 1989-11-15 1991-07-09 Fujikura Ltd Terminal and joint of power cable

Also Published As

Publication number Publication date
JPH0217341B2 (en) 1990-04-20

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