WO1996020487A1 - Structure de conducteur enrobe - Google Patents

Structure de conducteur enrobe Download PDF

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Publication number
WO1996020487A1
WO1996020487A1 PCT/JP1995/002752 JP9502752W WO9620487A1 WO 1996020487 A1 WO1996020487 A1 WO 1996020487A1 JP 9502752 W JP9502752 W JP 9502752W WO 9620487 A1 WO9620487 A1 WO 9620487A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
resin layer
polyacetal
polyvinyl chloride
resin
Prior art date
Application number
PCT/JP1995/002752
Other languages
English (en)
Japanese (ja)
Inventor
Masumi Tanikita
Original Assignee
Polyplastics 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 Polyplastics Co., Ltd. filed Critical Polyplastics Co., Ltd.
Priority to JP52037196A priority Critical patent/JP3419781B2/ja
Publication of WO1996020487A1 publication Critical patent/WO1996020487A1/fr

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

Definitions

  • the present invention has a structure i in which a conductive wire is provided with an S ⁇ made of a polyacetal resin.
  • the resin property of the polyacetal resin prevents biting by a rat, that is, a member of the conductive wire, and has an appropriate bending elastic modulus.
  • Rat harm is frequent in modern society, regardless of whether it is pm or 3 ⁇ 43 ⁇ 4F.
  • buildings and the like can be damaged by teeth or become infected with pathogenic bacteria ⁇ , which can be a source of fouling, which has a large effect.
  • damage caused by teeth inside and outside the building such as electric wires and optical cables, may cause power outages, electric leakage fires, and gas explosions, causing the communication network to stop functioning, signal facilities to malfunction, and This causes the cause of the function change, and its influence is enormous.
  • the rat-controlling agent since the rat-controlling agent is effective for humans and animals, it may give a bad effect to a conductor manufacturing worker and a wiring worker.
  • paints containing rat-proofing agents, thermoplastic resins, and synthetic rubbers, whose ⁇ 3 ⁇ 4 component gradually decreases over time are not suitable for long-term control of rat harm, but on the other hand, pose a problem of environmental pollution.
  • the price of the anti-rat agent may impair economic rationality.
  • ⁇ may be caused by the change of the metal material, and the weight of the coated conductor structure may increase due to the weight of the metal, which may cause problems such as a decrease in workability. .
  • the use of stainless steel staking prevention metal ⁇ The economical rationality in terms of price is a problem similar to the chemical method. Disclosure of the invention
  • the present inventors have conducted a thorough study in view of the current situation of rodent bite of the covered wire, and as a result, when the polyacetal resin layer was used as the cover layer of the wire, the above problems were solved, The present inventors have found that a coated conductor structure with improved ⁇ rn efficiency can be obtained by avoiding the above problem, and the present invention has been accomplished. That is, the present invention provides a covered conductor structure characterized in that a covering layer having a polyacetal resin layer is provided outside the conductor. Further, the coated conductive wire structure is characterized in that the polyacetal resin layer is made of a polyacetal resin or is made of another material mainly composed of a polyacetal resin. .
  • the other resin to be blended with the polyacetanol resin is not particularly limited, but it is particularly preferable to provide the above-mentioned coated conductive wire structure characterized by being a thermoplastic polyurethane resin and Z or a core polymer.
  • the present invention provides the above-mentioned covered conductor structure, wherein a polyacetal resin layer and a polyvinyl chloride resin layer are in contact with each other to form an SJ1 to be covered.
  • the present invention provides the above-mentioned coated wire structure, wherein the coating layer is composed of two layers of a polyvinyl chloride resin layer having a polyvinyl chloride resin layer as an outermost layer and a polycarbonate resin layer. .
  • the present invention provides the above-mentioned covered conductor structure, wherein the covering layer comprises at least two layers of a polyacetal resin layer having a polyacetal resin layer as an outermost layer and a polyvinyl chloride resin layer.
  • the coating layer has a polyvinyl chloride resin layer as an outermost layer, an intermediate layer is a polyacetal resin layer, and an inner layer that contacts a conductor is a low-density polyethylene resin layer or a polyvinyl chloride resin layer.
  • a conductive wire structure is provided.
  • the present invention provides an E-coated S lead wire structure in which the coating layer is a polyacetal resin layer as the outermost layer, the intermediate layer is a polyvinyl chloride resin layer, and the inner layer in contact with the conductor is a low-density polyethylene resin. is there.
  • the thickness of the polyacetal resin layer is 0.3 mm or more, and the flexural modulus of the polyacetal resin is in the range of 500 to 300 MPa (megapascal).
  • the present invention provides any one of the above-described coated conductive wire structures. Further, the present invention provides the above-mentioned coated conductive wire structure, which is used for preventing rat bite.
  • polyacetal-based resin refers to both a polyacetal resin and a compound containing a polyacetal resin as a main component and a compounding agent that can be added to the polyacetal resin.
  • the conducting wire of the coated conducting wire structure of the present invention transmits light and electricity, and may be of any material and shape.
  • glass fiber for an optical cable, various metal wires for an electric or migrating circuit, etc. can do.
  • the covered conductor structure according to the present invention is provided with a conductor made of a polyacetal resin on each of these conductors.
  • the covered conductor structure of the present invention has at least one covering layer of a polyacetal-based resin layer, and can hire a covering of another material as necessary.
  • a coating layer made of a flame-resistant material or material on the coating layer or a coating layer made of a material for protecting conductive wires, an insulating layer, or the like can be laminated on the lowermost layer of the coating.
  • an adhesive can be provided depending on the length so that the contact with the polyacetal resin layer can be maintained.
  • polyacetal resin can be employed by normal extrusion, or polyacetal resin and its composition! The I »tape may be formed by winding the tape, or the tape may be stitched.
  • the covering layer is a polyvinyl chloride resin layer as an outermost layer
  • a polyacetal resin layer is an intermediate layer
  • an inner layer is an insulating layer of a polyvinyl chloride resin layer or a low-density polyethylene resin. If a coated conductor structure is used as a layer, it will be even safer when wired inside a building because it has the strength, properties and insulation properties of vinyl chloride resin.
  • the following polyacetal resin can be used for the polyacetal resin layer of the coated conductor structure of the present invention.
  • the i.e. polyacetal resin rather I if a polymer compound as a main structure Fij ⁇ position the O Kishimechiren group (one CH 2 0-), polyoxymethylene homopolymer, containing other structural units in addition Okishimechiren group Either Kobolima, Yuichi Volima or Block Volima can be used.
  • the molecule may have a branched or crosslinked structure as well as a hindrance.
  • the polyacetal resin layer is formed from a polyacetal resin or a composition containing a polyacetal resin, and is preferably formed from a composition mainly composed of a polyacetal resin and containing another resin as a so-called island structure or stitch structure. .
  • thermoplastic polyurethane resins such as thermoplastic polyurethane resins, core-shell polymers, polyester elastomers, polyamide elastomers, acryl-based resins such as ABS resins, ethylene-vinyl acetate copolymers, Vinyl acetate resin, alpha-olefin and ⁇ ,; olefin resin such as copolymer of glycidyl ester of 5-unsaturated acid, vinyl chloride resin, polyethylene terephthalate resin, polybutylene terephthalate resin, polycarbonate A resin, a polyphenylene ether resin, a boriphenylene sulfide resin, or the like can be used.
  • a thermoplastic polyurethane resin and Z or a core-shell polymer resin are preferable.
  • the core-shell polymer is It is an organic compound having a core of a soft bolimer and a seal of a glassy bolimer, and can be prepared by a known method, or a commercially available product can be used.
  • the core shell polymer can be obtained by a multistage emulsion polymerization method in which a rubbery polymer serving as a core is sequentially coated with a polymer formed in a subsequent polymerization step to form a shell.
  • a polymer obtained by polymerizing a conjugated gen or an alkyl acrylate or a mixture thereof can be mentioned.
  • a copolymerizable monomer can be copolymerized.
  • the glassy polymer forming the shell include those obtained by copolymerizing methyl methacrylate alone or a mixture of methyl methacrylate and a monomer copolymerizable therewith. Then, an intermediate layer may be present between the core of the rubbery polymer and the shell of the glassy polymer.
  • the polyacetal resin may contain various kinds of antiblocking agents, antioxidants, ultraviolet absorbers, etc., an antistatic agent, a flame retardant, a flame retardant auxiliary, a dye and a pigment, as long as the effects of the present invention are not impaired. It is also possible to mix a coloring agent, a lubricant, a plasticizer and a crystallization accelerator, a crystal nucleating agent, a release agent, and a filler.
  • the polyacetone resin layer of the present invention has a thickness of at least 0.3 mm, and a flexural modulus of the polyacetyl resin within the range of 500-3, OOOMPa. .
  • Force of the polyacetal resin layer being 0.3 mm h ⁇ A preferable reason is that if it is less than 0.3 mm, the polyacetal resin with a low flexural modulus is used, and the polyacetal resin is hired by the mouse. This is because power may be damaged, and it is particularly preferable that the thickness be 0.5 mm or more.
  • the curvature of the polyacetal-based resin is more preferably in the range of 500 to 1.5 OOMPa.
  • the flexural modulus is in this range, it is possible to prevent the wire from being damaged by the rat's teeth, and to secure the mif workability of bending and bending the covered wire structure when laying it. .
  • the flexural modulus is measured by using a test piece in accordance with ASTM D790 from a polyacetal resin constituting the above-described covered conductor structure.
  • Polya In the case where the cetal resin is formed by winding the tape-shaped polyacetal resin around the conducting wire several times, or when the tape force is ⁇ stitched, the above method for measuring the polyacetal resin constituting these is used. The flexural modulus according to the method is measured.
  • a low-density polyethylene resin, a polyacetal resin composition having a flexural modulus of 73.5 MPa, and a vinyl chloride resin were co-extruded to form a low-density polyethylene resin layer (inner layer) having a thickness of l mm and a polyacetal resin layer.
  • a hollow cable with an outer diameter of 1 Omm with a thickness of 0.5 mm (intermediate layer) and a thickness of 1.5 mm of vinyl chloride resin layer (outside) has been produced. It was good.
  • FIG. 1 is a cross-sectional view showing a typical structure of the covered conductor structure of the present invention, and the present invention is not limited to such a force.
  • the covered conductor structure of the present invention can be manufactured by various known methods. For example, by supplying a core wire to an extruder, melt itl-type polyacetal resin or its curl around the core material alone or by coextrusion with another resin! You can do it. Alternatively, it can be produced by winding a core-shaped tape-shaped stitch (or tape-shaped) made of a polyacetal resin or a composition thereof.
  • a core-shaped tape-shaped stitch or tape-shaped
  • Tables 1 and 2 Polyvinyl chloride 1 supplied for force, etc. Each piece of the product is made of a polyacetal-based resin that is severely gnawing irrespective of its thickness! All of the pieces did't gnawing at all without their tooth shape. In addition, even when other resins are blended as a polyacetal resin layer, if the polyacetal resin layer in the S-conductor structure is 0.3 mm or more, it is likely to be picked by a rat. No tearing was observed.
  • FIG. 1 shows a cross-sectional view of a typical structure of the covered conductor structure of the present invention.

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Laminated Bodies (AREA)
  • Insulated Conductors (AREA)

Abstract

Structure de conducteur enrobé protégée contre les dégâts causés par les morsures de rats et présentant un module d'élasticité en flexion facilitant des opérations telles que le câblage. Le conducteur est entouré d'une gaine de résine acétalique ou de résine à base de polyacétal comprenant une composition d'une résine acétalique comme composant principal associée à d'autre(s) résine(s) telles qu'une résine polyuréthane thermoplastique et/ou un polymère entourant l'âme. La résine à base de polyacétal présente de préférence un module d'élasticité en flexion compris entre 500 et 3000 MPa, et la gaine, une épaisseur de 0,3 mm ou plus.
PCT/JP1995/002752 1994-12-28 1995-12-28 Structure de conducteur enrobe WO1996020487A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52037196A JP3419781B2 (ja) 1994-12-28 1995-12-28 被覆導線構造体

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6/340461 1994-12-28
JP34046194 1994-12-28

Publications (1)

Publication Number Publication Date
WO1996020487A1 true WO1996020487A1 (fr) 1996-07-04

Family

ID=18337192

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1995/002752 WO1996020487A1 (fr) 1994-12-28 1995-12-28 Structure de conducteur enrobe

Country Status (3)

Country Link
JP (1) JP3419781B2 (fr)
CN (1) CN1138281C (fr)
WO (1) WO1996020487A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998052199A1 (fr) * 1997-05-16 1998-11-19 The Furukawa Electric Co., Ltd. Cable plat et procede de fabrication
WO2005055249A1 (fr) * 2003-12-04 2005-06-16 The Furukawa Electric Co., Ltd. Fil electrique isole

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104810112A (zh) * 2015-04-23 2015-07-29 南京全信传输科技股份有限公司 宇航用lvds传输电缆及其制备方法
CN108735331A (zh) * 2018-05-29 2018-11-02 宁波卡倍亿电气技术股份有限公司 一种交通运输工具双层屏蔽高压铝电缆

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58211715A (ja) * 1982-06-04 1983-12-09 Asahi Chem Ind Co Ltd 光学繊維ケ−ブル
JPH0325219U (fr) * 1989-03-01 1991-03-15
JPH0395804A (ja) * 1989-08-11 1991-04-22 American Teleph & Telegr Co <Att> 耐動物性ケーブル
JPH03281562A (ja) * 1990-03-28 1991-12-12 Polyplastics Co ポリアセタール樹脂組成物
JPH05179104A (ja) * 1991-06-20 1993-07-20 Polyplastics Co 耐候性ポリアセタール樹脂組成物

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58211715A (ja) * 1982-06-04 1983-12-09 Asahi Chem Ind Co Ltd 光学繊維ケ−ブル
JPH0325219U (fr) * 1989-03-01 1991-03-15
JPH0395804A (ja) * 1989-08-11 1991-04-22 American Teleph & Telegr Co <Att> 耐動物性ケーブル
JPH03281562A (ja) * 1990-03-28 1991-12-12 Polyplastics Co ポリアセタール樹脂組成物
JPH05179104A (ja) * 1991-06-20 1993-07-20 Polyplastics Co 耐候性ポリアセタール樹脂組成物

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998052199A1 (fr) * 1997-05-16 1998-11-19 The Furukawa Electric Co., Ltd. Cable plat et procede de fabrication
WO2005055249A1 (fr) * 2003-12-04 2005-06-16 The Furukawa Electric Co., Ltd. Fil electrique isole
KR100728411B1 (ko) * 2003-12-04 2007-06-13 후루카와 덴키 고교 가부시키가이샤 절연전선

Also Published As

Publication number Publication date
CN1138281C (zh) 2004-02-11
CN1141687A (zh) 1997-01-29
JP3419781B2 (ja) 2003-06-23

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