WO2001018076A1 - Fluoropolymere, et fil et cable electrique enrobe dudit fluoropolymere - Google Patents
Fluoropolymere, et fil et cable electrique enrobe dudit fluoropolymere Download PDFInfo
- Publication number
- WO2001018076A1 WO2001018076A1 PCT/JP2000/006048 JP0006048W WO0118076A1 WO 2001018076 A1 WO2001018076 A1 WO 2001018076A1 JP 0006048 W JP0006048 W JP 0006048W WO 0118076 A1 WO0118076 A1 WO 0118076A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- mfr
- fluoropolymer
- electric wire
- cable
- alkaline earth
- Prior art date
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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/2806—Protection against damage caused by corrosion
Definitions
- the present invention relates to a fluorine-containing polymer, an electric wire and a cable coated with the same.
- the present invention relates to a fluorinated polymer and an electric wire and a cable coated with the fluorinated polymer, and more particularly to a fluorinated polymer and a fluorinated polymer containing a very small amount of alkali metals and alkaline earth metals. It relates to coated wires and cables. Related technology
- TFE tetrafluoroethylene
- the types of unstable polymer end groups vary depending on the polymerization method, types of polymerization initiator and chain transfer agent, and the like. For example, when an ordinary persulfate (ammonium persulfate, potassium persulfate, etc.) is used as a polymerization initiator in emulsion polymerization, a carboxylic acid terminal group is generated. It is known that this carboxylic acid terminal group is a source of volatile components generated during melt processing of the polymer.
- an ordinary persulfate ammonium persulfate, potassium persulfate, etc.
- U.S. Pat.No. 3,085,083 states that during wet heat treatment, a base, neutral salt or basic salt containing an alkali metal or alkaline earth metal is added to increase the reaction rate.
- a base or salt of an alkali metal or alkaline earth metal is added.
- a post-treatment was performed using a fluoropolymer produced using a compound containing an alkali metal or an alkaline earth metal (such as a polymerization initiator), or a compound containing an alkali metal or an alkaline earth metal.
- a fluoropolymer produced using a compound containing an alkali metal or an alkaline earth metal (such as a polymerization initiator), or a compound containing an alkali metal or an alkaline earth metal.
- an electric wire or a cable coated with such a fluoropolymer tends to have impaired electrical properties and has a poor core property. Wire is easily corroded.
- the present invention relates to a fluorine-containing polymer, which does not impair the electrical characteristics of the coated electric wire and does not corrode the core wire, despite the fact that it contains an aluminum metal or an alkaline earth metal. And an electric wire or cable coated with the fluoropolymer.
- the above object is achieved, tetrafurfuryl O b Ethylene 7 0-9 5 wt%, Kisafuruo port propylene 5-2 5 weight 0 I into and Pafuruo port ⁇ Le Kill Bulle Agent Consists ether 0-20 0/0, agate Leto flow rate at 372 ° C (MFR)
- the problem is solved by a fluoropolymer exceeding the value calculated according to the above, and an electric wire or cable coated with the fluoropolymer.
- An electric wire or cable coated with a fluoropolymer in which the total amount (p pm) of the contained alkali metal and alkaline earth metal exceeds the value calculated by the above formula (1) tends to have impaired electrical properties. Also, the core wire is easily corroded. On the other hand, a fluorine-containing polymer that does not exceed the value calculated by the above formula (2) has insufficient stability of unstable terminal groups.
- fluoropolymer used in the present invention are copolymers composed of at least two kinds of monomers selected from the group consisting of tetrafluoroethylene, hexafluoropropylene and perfluoroalkyl alkyl ether.
- perfluoroalkyl butyl ether is represented by the formula (3):
- n is an integer of 1 to 6.
- CF 2 CF [0-CF 2 CF (CF 3 )] n OC 3 F 7 (4)
- n is an integer from 1 to 4.
- Ethylene one to Kisafuruoro propylene copolymer (FEP) is of 72 to 96 wt% to Tetorafuru Oroechiren and 4 to 28 weight 0/0 of Preferably, it is a copolymer of fluoropropylene, and tetrafluoroethylene-perfluoroalkyl vinyl ether If a copolymer (PFA) is from 92 to 99 weight 0/0 of tetrafluoropropoxy O Roe Chile ting 1-8 weight 0 /.
- PFA copolymer
- the copolymer is a copolymer of perfluoropropylbutyl ether of the formula: 84-99 when the copolymer is tetrafluoroethylene and a plurality of perfluoroalkylvinyl ether copolymers (MFA). . 45% by weight of Tetorafuru Oroechiren, PA full O Lome Chino Levi two Rue of 0.5 to 1 to 3 wt 0/0 - and ether, is Pafuruo port ⁇ Le kills ethers such as for example Pafuruo port propyl Bulle ethers other than methyl 0. it is preferable 05 ⁇ a 3 weight 0/0.
- polymers may be copolymerized with other monomers in an amount that does not impair the essential properties of each polymer.
- Such other monomers include hexafluoropropylene, perfluoroalkyl vinyl ether, ethylene, vinylidene phenol, and trifluoroethylene.
- the fluorinated polymer is one produced by emulsion polymerization or suspension polymerization, especially by emulsion polymerization.
- the polymerization conditions are other than adjusting the amount of the compound containing an alkali metal or alkaline earth metal (polymerization initiator, chain transfer agent, dispersant, etc.) so as not to exceed the total amount that can be contained in the obtained polymer. Is the same as in the case of conventional emulsion polymerization or suspension polymerization.
- the post-treatment of the obtained fluoropolymer for example, when a compound containing an alkali metal or an alkaline earth metal is used before or after drying the fluoropolymer or in the extrusion step, it is also included in the fluoropolymer. It is necessary to control the total amount of alkali metal or alkaline earth metal within the range specified above.
- the total amount (ppm) of alkali metal or alkaline earth metal contained in the fluorinated copolymer was determined from the melt flow rate (MFR) at 372 ° C (g / 10 min, ASTM D2116). Equation (5):
- alkali metals or alkaline earth metals include lithium hydroxide, water
- hydroxides such as sodium oxide
- carbonates such as lium carbonate and calcium carbonate
- sulfates such as sulfuric acid rim
- nitrates such as nitric acid lime
- the fluoropolymer of the present invention does not substantially contain an unstable terminal group. It is preferred that at least half of the polymer chain terminals are one CF 2 H, and substantially all of the polymer chain terminals are composed of —CF 2 H, or one CF 2 H and one CH 3 .
- the fluoropolymer is tetrafluoroethylene-hexafluoropropylene copolymer (FEP), tetrafluoroethylene-perfluorovinyl ether polymer
- PFA copolymer of tetrafluoroethylene with hexafluoropropylene and perfluoroalkyl vinyl ether, tetrafluoro / reo ethylene and perfluoromethyl ether, and methylfluoroether other than methyl
- the copolymer is an alkylbier ether, it has a melt viscosity of 0.1 to 100 kPa ⁇ s at 372 ° C.
- the coated electric wire or cable can be manufactured by the same method as the method of manufacturing an electric wire or cable, except that the coated electric wire or cable is coated with a conventional fluororesin, except that the above-mentioned fluoropolymer is used as a coating material.
- the type of electric wire or cable to be coated is not particularly limited.
- the core wire may be a single core, a stranded wire, or a coaxial cable.
- the fluoropolymer used in the present invention may be used as an internal insulating material. Can be done. Preferred embodiments of the invention
- the material and raw 6 were measured by the following method.
- Menoleto flow rate ( g / l 0 min) was measured at 372 ° C according to ASTM D2116. 2) Dielectric loss tangent
- the dielectric loss tangent was measured by the standing wave method using a coaxial cable according to ASTM D2520 and the immersion was determined by 1 J.
- Emulsion polymerization method (polymerization pressure 4.2 MPa, polymerization temperature 95 ° C, initiator ammonium persulfate (APS), emulsifier (C 7 F 15 C00NH 4 ))
- the structure of the polymer terminal after the treatment was analyzed by Fourier transform infrared spectroscopy. No force was detected except for one CF 2 H terminal group.
- a tetrafluoroethylene-hexafluoropropylene copolymer (hexafluoropropylene content) obtained in the same manner as in Example 1 except that the proportion of the monomer was changed and the amount of potassium contained was 6 ppm. 12.0 weight 0/0 was measured in the same manner the dielectric loss tangent of MFR 10), 6. was 53 X 10 one 4.
- Tetrafluoroethylene monohexafluoropropyl obtained in the same manner as in Example 1.
- the wire size (material is copper) 51 (20. lmil) A coated wire with a coating thickness of 1 96 im (7.7 mil) was created. It was formed using a 5.1 cm (2 inch) diameter single screw extruder at a speed of 305 m / min (1000 ft / min).
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Organic Insulating Materials (AREA)
- Insulated Conductors (AREA)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00956959A EP1260526A4 (en) | 1999-09-08 | 2000-09-06 | FLUOROPOLYMER AND ELECTRICAL WIRE AND CABLE WHICH BOTH ARE COATED WITH THIS |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP25418899 | 1999-09-08 | ||
JP11/254188 | 1999-09-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001018076A1 true WO2001018076A1 (fr) | 2001-03-15 |
Family
ID=17261470
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2000/006048 WO2001018076A1 (fr) | 1999-09-08 | 2000-09-06 | Fluoropolymere, et fil et cable electrique enrobe dudit fluoropolymere |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1260526A4 (ja) |
CN (1) | CN1221578C (ja) |
WO (1) | WO2001018076A1 (ja) |
Cited By (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6703464B2 (en) | 2002-01-17 | 2004-03-09 | Daikin America, Inc. | Flourine-containing copolymer |
US6743508B2 (en) | 2002-01-17 | 2004-06-01 | Daikin America, Inc. | Fep pellet |
WO2005049661A1 (ja) * | 2003-11-20 | 2005-06-02 | Daikin Industries, Ltd. | 含フッ素重合体製造方法及び含フッ素重合体物 |
WO2006123694A1 (ja) * | 2005-05-18 | 2006-11-23 | Daikin Industries, Ltd. | フッ素樹脂組成物及び電線 |
JP2006528274A (ja) * | 2003-05-14 | 2006-12-14 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | 高溶融流動フルオロポリマー |
JP2008503857A (ja) * | 2004-06-21 | 2008-02-07 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | 改良された高速データ伝送ケーブル用絶縁体 |
JP2011231267A (ja) * | 2010-04-30 | 2011-11-17 | Du Pont Mitsui Fluorochem Co Ltd | フッ素樹脂成形品およびその製造方法 |
JP2013177592A (ja) * | 2008-02-15 | 2013-09-09 | Daikin America Inc | フッ素樹脂組成物の製造方法、粉体の製造方法、ペレットの製造方法、被覆電線の製造方法、および、発泡電線の製造方法 |
WO2021193545A1 (ja) | 2020-03-25 | 2021-09-30 | ダイキン工業株式会社 | 車載ネットワークケーブル用電線及び車載ネットワークケーブル |
WO2022181848A1 (ja) * | 2021-02-26 | 2022-09-01 | ダイキン工業株式会社 | 含フッ素共重合体 |
WO2022181841A1 (ja) * | 2021-02-26 | 2022-09-01 | ダイキン工業株式会社 | 含フッ素共重合体 |
WO2022181828A1 (ja) * | 2021-02-26 | 2022-09-01 | ダイキン工業株式会社 | 含フッ素共重合体、射出成形体、電線被覆材および電線 |
WO2022181840A1 (ja) * | 2021-02-26 | 2022-09-01 | ダイキン工業株式会社 | 含フッ素共重合体 |
WO2023190901A1 (ja) * | 2022-03-30 | 2023-10-05 | ダイキン工業株式会社 | 含フッ素共重合体 |
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WO2023190902A1 (ja) * | 2022-03-30 | 2023-10-05 | ダイキン工業株式会社 | 被覆電線 |
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US7126056B2 (en) | 2003-05-14 | 2006-10-24 | E. I. Du Pont De Nemours And Company | High melt flow fluoropolymer |
US7638709B2 (en) * | 2007-05-15 | 2009-12-29 | E. I. Du Pont De Nemours And Company | Fluoropolymer wire insulation |
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JPH11210941A (ja) * | 1998-01-20 | 1999-08-06 | Asahi Glass Co Ltd | チューブ |
-
2000
- 2000-09-06 CN CN 00812587 patent/CN1221578C/zh not_active Expired - Lifetime
- 2000-09-06 EP EP00956959A patent/EP1260526A4/en not_active Withdrawn
- 2000-09-06 WO PCT/JP2000/006048 patent/WO2001018076A1/ja active Application Filing
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Cited By (65)
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---|---|---|---|---|
US6743508B2 (en) | 2002-01-17 | 2004-06-01 | Daikin America, Inc. | Fep pellet |
US7105619B2 (en) | 2002-01-17 | 2006-09-12 | Daikin Industries, Ltd. | Fluorine-containing copolymer |
US6703464B2 (en) | 2002-01-17 | 2004-03-09 | Daikin America, Inc. | Flourine-containing copolymer |
US8334351B2 (en) | 2002-01-17 | 2012-12-18 | Daikin Industries, Ltd. | FEP pellet |
US7923519B2 (en) | 2002-01-17 | 2011-04-12 | Daikin Industries, Ltd. | FEP pellet |
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US8080195B2 (en) | 2003-11-20 | 2011-12-20 | Daikin Industries, Ltd | Process for production of fluorine-containing polymers and fluorine-containing polymers |
WO2005049661A1 (ja) * | 2003-11-20 | 2005-06-02 | Daikin Industries, Ltd. | 含フッ素重合体製造方法及び含フッ素重合体物 |
US9023963B2 (en) | 2003-11-20 | 2015-05-05 | Daikin Industries, Ltd. | Process for production of fluorine-containing polymers and fluorine-containing polymers |
JPWO2005049661A1 (ja) * | 2003-11-20 | 2007-11-29 | ダイキン工業株式会社 | 含フッ素重合体製造方法及び含フッ素重合体物 |
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US7723615B2 (en) | 2005-05-18 | 2010-05-25 | Daikin Industries, Ltd. | Fluororesin composition and electric wire |
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JP2023153020A (ja) * | 2022-03-30 | 2023-10-17 | ダイキン工業株式会社 | 含フッ素共重合体 |
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JP7401833B2 (ja) | 2022-03-30 | 2023-12-20 | ダイキン工業株式会社 | 含フッ素共重合体 |
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JP7473855B2 (ja) | 2022-03-30 | 2024-04-24 | ダイキン工業株式会社 | 含フッ素共重合体 |
WO2024014518A1 (ja) * | 2022-07-15 | 2024-01-18 | ダイキン工業株式会社 | 含フッ素共重合体 |
JP7381981B1 (ja) | 2022-07-15 | 2023-11-16 | ダイキン工業株式会社 | 含フッ素共重合体 |
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EP1260526A4 (en) | 2008-10-01 |
CN1382163A (zh) | 2002-11-27 |
EP1260526A1 (en) | 2002-11-27 |
CN1221578C (zh) | 2005-10-05 |
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