WO2020138956A1 - 케이블 시스용 수지 조성물 및 이를 포함하는 전선 - Google Patents

케이블 시스용 수지 조성물 및 이를 포함하는 전선 Download PDF

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WO2020138956A1
WO2020138956A1 PCT/KR2019/018473 KR2019018473W WO2020138956A1 WO 2020138956 A1 WO2020138956 A1 WO 2020138956A1 KR 2019018473 W KR2019018473 W KR 2019018473W WO 2020138956 A1 WO2020138956 A1 WO 2020138956A1
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Prior art keywords
resin composition
cable sheath
parts
cable
weight
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PCT/KR2019/018473
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English (en)
French (fr)
Korean (ko)
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주동욱
박도현
이태현
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엘에스전선 주식회사
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Priority to CN201980080937.5A priority Critical patent/CN113168933B/zh
Publication of WO2020138956A1 publication Critical patent/WO2020138956A1/ko

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    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
    • C08K5/0016—Plasticisers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/10—Esters; Ether-esters
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00—Use of pretreated ingredients
    • C08K9/04—Ingredients treated with organic substances
    • C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
    • 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
    • C08L27/04—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 chlorine atoms
    • C08L27/06—Homopolymers or copolymers of vinyl chloride
    • 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
    • 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
    • H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • 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
    • H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • H01B7/2825—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
    • 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
    • H01B7/29—Protection against damage caused by extremes of temperature or by flame
    • H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/20—Applications use in electrical or conductive gadgets
    • C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

Definitions

  • the present invention relates to a resin composition for a cable sheath and an electric wire comprising the same.
  • a cable used in an environment that may be exposed to moisture degrades the insulation performance by moisture permeating the insulating layer, or the moisture permeating the insulating layer is ionized and an alternating electric field is applied to these ions to vibrate.
  • a leakage current, insulation breakdown, etc. may be caused by a phenomenon in which a gap is formed inside the insulating layer, and moisture permeates through the gap and penetrates into a conductor existing therein.
  • the sheath layer which may exist at the outermost part of the cable, absorbs moisture, damage caused by corrosion of the metal shielding layer due to moisture penetration, electric shock to the human body when the organic voltage rises at the open end of the one-grounded metal shielding layer An accident or disconnection accident may be caused.
  • the plasticizer when adding a plasticizer to the sheath composition forming the sheath layer to secure flexibility, workability, processability of the sheath layer, etc., the plasticizer is extracted or hydrolyzed by infiltrated water to electrically It may cause problems that impair the characteristics.
  • the sheath layer may be formed by a sheath composition containing a large amount of flame retardant to secure flame retardancy, but when the flame retardant is a metal hydroxide such as aluminum hydroxide or magnesium hydroxide exhibiting hydrophilicity, the water resistance of the sheath layer is lowered. On the other hand, if the content of the flame retardant is reduced to suppress the decrease in water resistance, the flame retardancy of the sheath layer may be reduced.
  • Patent documents related to this include Korean Patent Publication No. 10-2010-0121645 and Korean Patent Publication No. 10-2006-0056963.
  • the flame-retardant cable is composed of a single-core or multi-core structure, the above-described sheath layer is present on the outermost layer, the sheath layer is generally polyvinyl chloride (PVC) or chloride in consideration of the flame retardant order performance And a vinyl resin composition (hereinafter referred to as "PVC composition").
  • PVC polyvinyl chloride
  • PVC composition a vinyl resin composition
  • a plasticizer and a filler are generally included in addition to the polyvinyl chloride resin, and a flame retardant may be additionally included to secure flame retardancy of the cable product.
  • the flame retardant includes an inorganic flame retardant for reasons such as unit price of the cable product and ease of compounding.
  • Patent Document 1 Korean Patent Publication No. 10-2010-0121645
  • Patent Document 2 Korean Patent Publication No. 10-2006-0056963
  • the present inventors in the PVC composition included in the sheath layer of the cable product, especially the flame retardant order cable product, flame retardancy and water resistance, etc., which are the original physical properties of the sheath layer of the flame retardant order cable product, etc.
  • the flame retardant cable due to the adhesion phenomenon that may be caused by factors such as pressure between cables due to winding of the cable product including the sheath layer of the flame retardant cable product while maintaining a good level Resin composition for cable sheath that can dramatically improve the problem of the occurrence of secondary defective products due to the difficulty of unwinding for use and tearing phenomenon on the surface of the cable that may occur during unwinding And an electric wire including the same.
  • the present invention includes a polyvinyl chloride resin and a plasticizer
  • the plasticizer is a mixed plasticizer in which two or more plasticizers are mixed, and the content of the mixed plasticizer is 40 to 100 parts by weight of the total polyvinyl chloride resin. It is intended to provide a resin composition for a cable sheath, which is included in an amount of 60 to 60 parts by weight, and satisfies Equation 1 below.
  • Equation 1 X is produced by using the resin composition for the cable sheath to produce two sheets with a size of 1 mm ⁇ 100 mm ⁇ 100 mm (thickness ⁇ width ⁇ length), and then an area of half the size of the sheet. In the area of 50 mm ⁇ 100 mm (horizontal ⁇ vertical), a PET film is inserted between the two sheets to prevent adhesion, so that the two sheets overlap each other, and then placed in a 2 mm thick tray and pressed. The specimens prepared by bonding are added to a rapid cooling (initial temperature 100° C., preheating for 5 minutes, and then 10 MPa pressure applied for 10 minutes, then 40° C. in a manner of flowing cooling water through the cooling line while maintaining the pressure).
  • a rapid cooling initial temperature 100° C., preheating for 5 minutes, and then 10 MPa pressure applied for 10 minutes, then 40° C. in a manner of flowing cooling water through the cooling line while maintaining the pressure).
  • the present invention a conductor; And a sheath layer formed on the outer side of the conductor, wherein the sheath layer is intended to provide an electric wire comprising the resin composition for cable sheath.
  • the present invention includes a polyvinyl chloride-based resin and a plasticizer, and the plasticizer is a mixed plasticizer in which two or more plasticizers are mixed, and the content of the mixed plasticizer is the entire polyvinyl chloride-based resin. It provides a resin composition for a cable sheath that contains 40 parts by weight to 60 parts by weight relative to 100 parts by weight, and satisfies Equation 1 below.
  • Equation 1 X is produced by using the resin composition for the cable sheath to produce two sheets with a size of 1 mm ⁇ 100 mm ⁇ 100 mm (thickness ⁇ width ⁇ length), and then an area of half the size of the sheet. In the area of 50 mm ⁇ 100 mm (horizontal ⁇ vertical), a PET film is inserted between the two sheets to prevent adhesion, so that the two sheets overlap each other, and then placed in a 2 mm thick tray and pressed. The specimens prepared by bonding are added to a rapid cooling (initial temperature 100° C., preheating for 5 minutes, and then 10 MPa pressure applied for 10 minutes, then 40° C. in a manner of flowing cooling water through the cooling line while maintaining the pressure).
  • a rapid cooling initial temperature 100° C., preheating for 5 minutes, and then 10 MPa pressure applied for 10 minutes, then 40° C. in a manner of flowing cooling water through the cooling line while maintaining the pressure).
  • this invention provides the resin composition for cable sheaths characterized by satisfy
  • Equation 1 X is produced by using the resin composition for the cable sheath to produce two sheets with a size of 1 mm ⁇ 100 mm ⁇ 100 mm (thickness ⁇ width ⁇ length), and then an area of half the size of the sheet. In the area of 50 mm ⁇ 100 mm (horizontal ⁇ vertical), a PET film is inserted between the two sheets to prevent adhesion, so that the two sheets overlap each other, and then placed in a 2 mm thick tray and pressed. The specimens prepared by bonding are added to a rapid cooling (initial temperature 100° C., preheating for 5 minutes, and then 10 MPa pressure applied for 10 minutes, then 40° C. in a manner of flowing cooling water through the cooling line while maintaining the pressure).
  • a rapid cooling initial temperature 100° C., preheating for 5 minutes, and then 10 MPa pressure applied for 10 minutes, then 40° C. in a manner of flowing cooling water through the cooling line while maintaining the pressure).
  • the polyvinyl chloride-based resin is a mixed resin in which two or more types of polyvinyl chloride-based resins are mixed, and at least one polyvinyl chloride-based resin among the mixed resins has a polymerization degree of more than 1,000 and the polychlorinated It provides a resin composition for a cable sheath, characterized in that it contains at least 30 parts by weight based on 100 parts by weight of the total vinyl-based resin.
  • the present invention is characterized in that the polymerization degree of at least one or more polyvinyl chloride-based resins among the mixed resins is greater than 1,000 to 1,800 or less, and is contained in an amount of 30 parts by weight or more compared to 100 parts by weight of the entire polyvinyl chloride-based resin.
  • a resin composition for a cable sheath is provided.
  • the present invention provides a resin composition for a cable sheath, wherein the mixed plasticizer is a mixed plasticizer obtained by mixing one or more plasticizers having a molecular weight of 400 to 450 and one or more plasticizers having a molecular weight of 520 to 600.
  • the mixed plasticizer is a mixed plasticizer obtained by mixing one or more plasticizers having a molecular weight of 400 to 450 and one or more plasticizers having a molecular weight of 520 to 600.
  • the present invention provides a resin composition for a cable sheath, wherein the mixed plasticizer satisfies the following formulas 3 and 4.
  • Y refers to a value indicating the content of a plasticizer having a molecular weight of 400 to 450 based on 100 parts by weight of the polyvinyl chloride resin
  • Z is a plasticizer having a molecular weight of 520 to 600.
  • the content refers to a value indicated based on 100 parts by weight of the polyvinyl chloride-based resin.
  • the mixed plasticizer provides a resin composition for a cable sheath, characterized in that a mixture of two or more plasticizers selected from the group consisting of terephthalate-based, phthalate-based plasticizers and trimellitate-based plasticizers.
  • the present invention provides a resin composition for a cable sheath, wherein the resin composition for a cable sheath further comprises a filler.
  • the present invention provides a resin composition for a cable sheath, wherein the filler comprises a pre-treated flame retardant, and the pre-treatment is treated with a lubricant or vinylsilane.
  • the filler provides a resin composition for a cable sheath, characterized in that it comprises a content of 20 to 60 parts by weight compared to 100 parts by weight of the total polyvinyl chloride-based resin.
  • the filler is at least two, and at least one of the filler is a flame retardant treated with vinyl silane containing 10 parts by weight to 50 parts by weight compared to 100 parts by weight of the total polyvinyl chloride resin It provides a resin composition for a cable sheath, characterized in that.
  • the resin composition for the cable sheath is characterized in that it further comprises one or more from the group consisting of flame retardant aids, colorants, antioxidants, anti-fogging agents, anti-fogging agents, processing aids, sunscreens and blowing agents
  • flame retardant aids colorants
  • antioxidants antioxidants
  • anti-fogging agents anti-fogging agents
  • processing aids sunscreens and blowing agents
  • blowing agents A resin composition for a cable sheath is provided.
  • the present invention a conductor; And a sheath layer formed on the outer side of the conductor, wherein the sheath layer provides an electric wire including the resin composition for cable sheath.
  • the resin composition for a cable sheath according to the present invention while maintaining the excellent properties of flame retardancy and water resistance, which are inherent properties of the sheath layer of the flame retardant cable products that may include the resin composition for the cable sheath, additionally include the flame retardancy Difficulty unwinding for use of the flame-retardant cable due to adhesion, which may occur due to factors such as pressure between cables due to winding of the cable product including the sheath layer of the cable product And a secondary defect product caused by a tearing phenomenon on the surface of the cable, which may occur during unwinding, can be significantly improved.
  • FIG. 1 is a view schematically showing a cross-sectional structure of an electric wire including a sheath layer formed from a resin composition for a cable sheath according to the present invention.
  • the present invention relates to a resin composition for a cable sheath.
  • the present invention relates to a resin composition for a flame-retardant cable sheath.
  • the resin composition for cable sheath may include a polyvinyl chloride-based resin as a base resin.
  • the polyvinyl chloride-based resin in the present specification refers to various polymers in which vinyl chloride is the main monomer (the main component of the monomer component, that is, a monomer that accounts for 50% by mass or more). That is, it may mean that a homopolymer of a vinyl chloride monomer, a copolymer of a vinyl chloride monomer and various comonomers is included.
  • Examples of the comonomer include vinylidene chloride; Olefins such as ethylene and propylene (preferably olefins having 2 to 4 carbon atoms); Carboxyl group-containing monomers such as acrylic acid, methacrylic acid (hereinafter, acrylic and methacrylic are collectively referred to as "(meth)acrylic"), maleic acid, and fumaric acid, or acid anhydrides thereof (such as maleic anhydride); (Meth)acrylic acid esters, for example, esters of (meth)acrylic acid with alcohol alkyl or cycloalkyl alcohols having about 1 to 10 carbon atoms; Vinyl ester monomers such as vinyl acetate and vinyl propionate; Styrene-based monomers such as styrene, substituted styrene ( ⁇ -methylstyrene), and vinyl toluene; Acrylonitrile; Etc.
  • Olefins such as ethylene and propylene (preferably olef
  • examples of the copolymer of the vinyl chloride monomer include urethane-vinyl chloride copolymer, ethylene-vinyl chloride copolymer, vinyl acetate-vinyl chloride copolymer, vinyl chloride copolymer such as ethylene-vinyl acetate copolymer, and the like.
  • examples of the copolymer of the vinyl chloride monomer include urethane-vinyl chloride copolymer, ethylene-vinyl chloride copolymer, vinyl acetate-vinyl chloride copolymer, vinyl chloride copolymer such as ethylene-vinyl acetate copolymer, and the like.
  • a copolymer of a vinyl chloride monomer homopolymer and a vinyl chloride monomer may be used alone or in a mixture of two or more, but is preferably a mixed resin that is a mixture of two or more resins,
  • the polyvinyl chloride-based resin is a mixed resin that is a mixture of two or more resins, it is more preferable that the resin contained in the mixture is a mixture of resins having different polymerization degrees.
  • the polyvinyl chloride-based resin may be a mixed resin in which two or more polyvinyl chloride-based resins are mixed.
  • the polymerization degree of two or more resins included in the mixture is not particularly limited, but at least one resin among the mixed resins may have a polymerization degree of more than 1,000.
  • the polymerization degree of the mixed resin contained in the polyvinyl chloride-based resin for example, it is preferable that the polymerization degree of each of the resins is in the range of 1,000 to 1,800, and more preferably, the polymerization degree of each of the resins exceeds 1,000 to 1,800.
  • the mixed resins when all of the mixed resins have a polymerization degree of less than 1,000, there is a possibility of damage to the epidermis when adhesion between cables occurs due to a decrease in the strength of the compound, and when the polymerization degree of at least one resin among the mixed resins exceeds 1,800, high Due to the degree of polymerization, the processability in the compounding process of the composition for the cable sheath or the extrusion process for the production of cable products may be deteriorated, which may cause cracks in cable appearance defects and low temperature winding.
  • a resin having a polymerization degree of more than 1,000 to 1,800 or less contained in the mixed resin it is preferable to include 30 parts by weight or more compared to 100 parts by weight of the total polyvinyl chloride-based resin, and the polymerization degree of more than 1,000 to 1,800 or less
  • the upper limit of the resin content having is not particularly limited, for example, it may be included in an amount of 90 parts by weight or less, 80 parts by weight or less, or 70 parts by weight or less compared to 100 parts by weight of the total polyvinyl chloride resin.
  • the resin composition for a cable sheath according to the present invention containing the mixed resin is sufficient to ensure flame retardancy as well as to be applied to future cable products At the time, it is possible to dramatically improve the adhesion phenomenon generated from the pressure caused by winding.
  • the polyvinyl chloride-based resin may be a mixture with other resins or elastomers.
  • the polymerization ratio of vinyl chloride is 70% by mass or more, more preferably 90% by mass It is preferable that it is above.
  • polyvinyl chloride (PVC) resin has its own flame retardancy, but since the flame retardancy may not be sufficient depending on the type of cable to be applied, the resin composition for cable sheath according to the present invention is the poly In addition to the vinyl chloride resin, a plasticizer may be included.
  • the plasticizer may improve cable flexibility, workability, and workability of the sheath layer.
  • the plasticizer may be a single plasticizer or a mixed plasticizer obtained by mixing two or more plasticizers, but is preferably a mixed plasticizer obtained by mixing two or more plasticizers.
  • the molecular weight included in the mixed plasticizer may be, for example, one or more kinds included in the mixed plasticizer having a molecular weight of 500 or more.
  • the molecular weight of at least one plasticizer among the mixed plasticizers is 500 or more, it is not particularly limited, and for example, the range of the molecular weight may be 500 to 600 or 520 to 600.
  • one or more of the other mixed plasticizer may further include a plasticizer having a molecular weight of 400 to 500 or less, 400 to 475 or less, or 400 to 450. .
  • the resin composition for a cable sheath according to the present invention may satisfy Equation 1 below.
  • Equation 1 X is produced by using the resin composition for the cable sheath to produce two sheets with a size of 1 mm ⁇ 100 mm ⁇ 100 mm (thickness ⁇ width ⁇ length), and then an area of half the size of the sheet. In the area of 50 mm ⁇ 100 mm (horizontal ⁇ vertical), a PET film is inserted between the two sheets to prevent adhesion, so that the two sheets overlap each other, and then placed in a 2 mm thick tray and pressed. The specimens prepared by bonding are added to a rapid cooling (initial temperature 100° C., preheating for 5 minutes, and then 10 MPa pressure applied for 10 minutes, then 40° C. in a manner of flowing cooling water through the cooling line while maintaining the pressure).
  • a rapid cooling initial temperature 100° C., preheating for 5 minutes, and then 10 MPa pressure applied for 10 minutes, then 40° C. in a manner of flowing cooling water through the cooling line while maintaining the pressure).
  • the resin composition for a cable sheath according to the present invention may satisfy Equation 2 below.
  • Equation 1 X is produced by using the resin composition for the cable sheath to produce two sheets with a size of 1 mm ⁇ 100 mm ⁇ 100 mm (thickness ⁇ width ⁇ length), and then an area of half the size of the sheet. In the area of 50 mm ⁇ 100 mm (horizontal ⁇ vertical), a PET film is inserted between the two sheets to prevent adhesion, so that the two sheets overlap each other, and then placed in a 2 mm thick tray and pressed. The specimens prepared by bonding are added to a rapid cooling (initial temperature 100° C., preheating for 5 minutes, and then 10 MPa pressure applied for 10 minutes, then 40° C. in a manner of flowing cooling water through the cooling line while maintaining the pressure).
  • a rapid cooling initial temperature 100° C., preheating for 5 minutes, and then 10 MPa pressure applied for 10 minutes, then 40° C. in a manner of flowing cooling water through the cooling line while maintaining the pressure).
  • composition for a cable sheath according to the present invention satisfies the above formulas 1 and 2, sufficient flame retardancy is secured, and when applied to a cable product in the future, the adhesion phenomenon generated from pressure due to winding may be dramatically improved. .
  • the composition for cable sheaths according to the present invention has an X value of Formulas 1 and 2 of less than 0.7, the composition for cable sheaths may be excessively hard to deteriorate cold resistance and flexibility, and to manufacture cable products. There is a problem that the workability is lowered during extrusion, and when the X value is more than 1.4, it is difficult to unwind for use after manufacture of cable products, and at the same time, due to adhesion caused by pressure due to winding. When unwinding, there is a problem that a secondary defective product is generated due to a tearing phenomenon of the cable surface.
  • the mixed plasticizer may satisfy Equations 3 and 4 below.
  • Y refers to a value indicating the content of a plasticizer having a molecular weight of 400 to 450 based on 100 parts by weight of the polyvinyl chloride resin
  • Z is a plasticizer having a molecular weight of 520 to 600.
  • the content refers to a value indicated based on 100 parts by weight of the polyvinyl chloride-based resin.
  • the content of the mixed plasticizer may be 40 parts by weight to 60 parts by weight, 40 parts by weight to 55 parts by weight, 40 parts by weight to 50 parts by weight, or 45 parts by weight to 50 parts by weight compared to 100 parts by weight of the total polyvinyl chloride resin .
  • the resin composition for a cable sheath according to the present invention including the mixed plasticizer includes securing sufficient flame retardancy, and the processability of a cable manufactured by including the resin composition for the cable sheath Improve it.
  • the plasticizer may include, for example, terephthalate-based, phthalate-based, phosphate-based, trimellitic-based, epoxy-based, ester-based, citrate-based, polymer-based plasticizers, or combinations thereof, preferably terephthalate. It may be a mixture of two or more plasticizers selected from the group consisting of a system, a phthalate plasticizer, and a trimellitate plasticizer.
  • the resin composition for cable sheath according to the present invention in addition to the above-mentioned polyvinyl chloride-based resin and plasticizer, includes a filler to ensure sufficient flame retardancy and order properties, and the filler may be a pre-treated flame retardant.
  • the pre-treated flame retardant is preferably a flame retardant treated with a lubricant or vinylsilane.
  • the resin composition for a cable sheath according to the present invention includes the pre-treated flame retardant, in addition to securing sufficient flame retardancy, water resistance and order characteristics can be secured, and when applied to a cable product later, it is generated from pressure due to winding Can improve the adhesion phenomenon.
  • the flame retardant includes an inorganic flame retardant, a metal hydroxide such as magnesium hydroxide, aluminum hydroxide, a mixture of hoontite and hydromagnesite, hydromagnesite or magnesium hydroxide, an organic flame retardant, a halogen-based, melamine-based compound, an organic flame retardant such as nanoclay, and the like. It may, and preferably, may include an inorganic flame retardant of aluminum hydroxide or magnesium hydroxide.
  • a metal hydroxide such as magnesium hydroxide, aluminum hydroxide, a mixture of hoontite and hydromagnesite, hydromagnesite or magnesium hydroxide
  • an organic flame retardant a halogen-based, melamine-based compound
  • an organic flame retardant such as nanoclay, and the like. It may, and preferably, may include an inorganic flame retardant of aluminum hydroxide or magnesium hydroxide.
  • the filler may be included in an amount of 20 parts by weight to 60 parts by weight, 20 parts by weight to 50 parts by weight, or 20 parts by weight to 40 parts by weight relative to 100 parts by weight of the total polyvinyl chloride resin.
  • the filler may be included as one kind of a single filler or two or more kinds of mixed fillers, preferably two or more kinds of mixed fillers.
  • the resin composition for cable sheath according to the present invention is a flame retardant in which at least one of the fillers is treated with vinyl silane, 10 parts by weight to 50 parts by weight compared to 100 parts by weight of the entire polyvinyl chloride resin Parts, 10 parts by weight to 45 parts by weight or 10 parts by weight to 40 parts by weight.
  • the resin composition for a cable sheath according to the present invention including the filler includes securing a sufficient flame retardance, and the processability and future of the cable manufactured by including the resin composition for the cable sheath When applied to cable products, it is possible to improve the adhesion phenomenon generated from pressure due to winding.
  • the resin composition for a cable sheath according to the present invention may include an inorganic filler separately from the filler.
  • the inorganic filler may be preferably calcium carbonate (CaCO 3 ), and the inorganic filler such as calcium carbonate also has a hydrophilic surface, and thus the water resistance of the sheath layer formed from the resin composition for the sheath may be reduced, such as silane or lubricant. It is preferred to use it by treatment.
  • CaCO 3 calcium carbonate
  • the inorganic filler such as calcium carbonate also has a hydrophilic surface, and thus the water resistance of the sheath layer formed from the resin composition for the sheath may be reduced, such as silane or lubricant. It is preferred to use it by treatment.
  • the resin composition for cable sheath according to the present invention in addition to the above-described components, if necessary, one or more other additives or these from the group consisting of flame retardant aids, colorants, antioxidants, anti-fog agents, anti-fog agents, processing aids, sunscreens and blowing agents It may further include a combination of.
  • the content when the other additives or combinations thereof are included is not particularly limited, but may be, for example, in the range of about 1 part by weight to 50 parts by weight based on 100 parts by weight of the total polyvinyl chloride resin.
  • This invention also relates to the electric wire containing the resin composition for cable sheaths mentioned above.
  • the wire according to the present invention may include a sheath layer formed from the resin composition for a cable sheath described above.
  • FIG. 1 is a view schematically showing a cross-sectional structure of an electric wire including a sheath layer formed from a resin composition for a cable sheath according to the present invention.
  • the electric wire according to the present invention may include a conductor 200 and a sheath layer 100 formed outside the conductor, and the sheath layer 200 and the sheath layer formed outside the conductor 200 ( 100) may include an insulating layer 300 for wrapping the conductor 200 between.
  • a metal shielding layer for shielding electromagnetic waves from the conductor 200 may be further included between the insulating layer 300 and the sheath layer 100.
  • the metal shielding layer may be formed by a transverse winding such as a metal tape.
  • the conductor 200 may be made of a conductive material through which current can flow, for example, metal such as copper and aluminum, and may be a stranded wire or a plurality of stranded wires, and the insulating layer 300 may be a cable.
  • a conductive material through which current can flow for example, metal such as copper and aluminum, and may be a stranded wire or a plurality of stranded wires
  • the insulating layer 300 may be a cable.
  • For electrical insulation of, for example, may be made of a polymer resin.
  • the diameter of the conductor 200 may be appropriately selected by the capacity of the cable including it, and the thickness of the insulating layer 300 by the voltage of the cable including it.
  • sheath layer 100 may be formed from the resin composition for a cable sheath according to the present invention described above.
  • the sheath layer 100 is formed from the resin composition for a cable sheath according to the present invention described above, when the electric wire including the sheath layer is applied to a flame retardant cable product, flame retardance is an original property that the sheath layer should have. And the water resistance, etc., while maintaining an excellent level, the additionally due to the adhesion phenomenon that may be caused by factors such as pressure between cables due to winding of the cable product including the sheath layer of the flame-retardant cable product. Difficulties in unwinding for the use of flame-retardant cable, and problems with the occurrence of secondary defective products due to tearing on the surface of the cable, which may occur during unwinding, can be dramatically improved.
  • a cable sheath specimen and a cable sample comprising the sheath layer were prepared therefrom using resin compositions for cable sheaths for each of the Examples and Comparative Examples.
  • the adhesiveness measurement was first produced by using the resin compositions for cable sheaths of Examples and Comparative Examples prepared from the above-mentioned Preparation Examples, each of which was produced in the form of two sheets in a size of 1 mm ⁇ 100 mm ⁇ 100 mm (thickness ⁇ width ⁇ length). Next, each of the two sheets produced above was placed on a tray having a thickness of 2 mm so as to overlap each other, and pressure was applied to prepare each specimen. In this case, when the two sheets overlap each other, a PET film is inserted between the two sheets in an area of 50 mm ⁇ 100 mm (horizontal ⁇ vertical) that is half the area of the entire area where the two sheets overlap. To prevent adhesion.
  • the pressure applied in the preparation of the specimen was preheated for 5 minutes under the initial temperature of 100° C., and then a pressure of 10 MPa was applied for 10 minutes, and the cooling water was flowed through the cooling line while maintaining the pressure at 40° C. After quenching until, the removed specimens were performed under the conditions of standing at room temperature for 16 hours or more.
  • the specimens were again cut into a rectangular shape of 15 mm ⁇ 100 mm (horizontal ⁇ vertical), and then both sheet ends of the portions not adhered by the PET film among the specimens were respectively universal testing machines (UTMs). ) After being bitten by the jig of the upper and lower parts, the maximum load (kgf) value was measured through a tensile test under the condition of a tensile speed of 200 mm/min.
  • the resin composition for cable sheaths according to the present invention satisfies all of the moisture absorption, cold resistance, oxygen index, and heat resistance, which are physical properties required for the sheath layer of the flame retardant order cable, and at the same time, the flame retardant
  • the adhesion phenomenon that may occur due to factors such as pressure between cables due to winding of the order cable can be dramatically improved.

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  • 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)
  • Insulated Conductors (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
PCT/KR2019/018473 2018-12-28 2019-12-26 케이블 시스용 수지 조성물 및 이를 포함하는 전선 WO2020138956A1 (ko)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113689976A (zh) * 2021-08-18 2021-11-23 晶锋集团股份有限公司 一种循环低温阻燃高压动力电缆材料及其制备方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050038307A (ko) * 2003-10-21 2005-04-27 엘에스전선 주식회사 열안정성이 우수한 고난연성 및 저발연성 시스 재료조성물 및 이로부터 형성된 시스를 구비한 케이블
KR20110107609A (ko) * 2010-03-25 2011-10-04 엘에스전선 주식회사 고난연성 및 저발연성 시스 재료 조성물 및 이로부터 형성된 시스를 구비한 케이블
KR101440661B1 (ko) * 2010-07-21 2014-09-19 엘에스전선 주식회사 내수성과 난연성을 갖는 시스 재료 조성물 및 이를 이용한 전선
JP2015025032A (ja) * 2013-07-24 2015-02-05 住友電装株式会社 電線被覆材用樹脂組成物及び絶縁電線
KR101644791B1 (ko) * 2015-03-23 2016-08-10 주식회사 경신전선 전기자동차용 충전 케이블 및 이의 제조방법

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6043312A (en) * 1989-06-27 2000-03-28 The Furon Company Low flame and smoke compositions for plenum cables
JP3415050B2 (ja) * 1997-12-24 2003-06-09 大成建設株式会社 エアフィルタの製造方法、ファンフィルタユニットの製造方法、クリーンルーム、局所設備
EP1655741A4 (en) 2003-07-30 2008-10-15 Sumitomo Electric Industries NON-HALOGEN FIRE RETARDANT CABLE
WO2009102877A1 (en) * 2008-02-15 2009-08-20 Union Carbide Chemicals & Plastics Technology Llc (Formerly Union Carbide Chemicals & Plastics Technology Corporation) A replacement plasticizer system for phthalate-plasticized formulations
JP5345793B2 (ja) 2008-02-22 2013-11-20 ポリプラスチックス株式会社 電線被覆用樹脂材料、当該電線被覆用樹脂材料を用いた電線、及び難燃ケーブル
US8907217B2 (en) * 2010-02-12 2014-12-09 General Cable Technologies Corporation Compositions for riser and plenum cables
WO2011113707A1 (en) * 2010-03-17 2011-09-22 Exxonmobil Chemical Patents Inc. Plasticiser blends and compositions and articles made therefrom
KR20120085605A (ko) * 2011-01-24 2012-08-01 엘에스전선 주식회사 재생 플라스틱을 이용한 시스 재료 조성물
JP5929036B2 (ja) * 2011-08-12 2016-06-01 矢崎エナジーシステム株式会社 薄肉耐摩耗電線被覆用塩化ビニル樹脂組成物、および、薄肉耐摩耗電線
KR20160073615A (ko) * 2014-12-17 2016-06-27 엘에스전선 주식회사 케이블의 쉬스용 폴리염화비닐 조성물 및 이로부터 형성된 쉬스를 포함하는 케이블

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050038307A (ko) * 2003-10-21 2005-04-27 엘에스전선 주식회사 열안정성이 우수한 고난연성 및 저발연성 시스 재료조성물 및 이로부터 형성된 시스를 구비한 케이블
KR20110107609A (ko) * 2010-03-25 2011-10-04 엘에스전선 주식회사 고난연성 및 저발연성 시스 재료 조성물 및 이로부터 형성된 시스를 구비한 케이블
KR101440661B1 (ko) * 2010-07-21 2014-09-19 엘에스전선 주식회사 내수성과 난연성을 갖는 시스 재료 조성물 및 이를 이용한 전선
JP2015025032A (ja) * 2013-07-24 2015-02-05 住友電装株式会社 電線被覆材用樹脂組成物及び絶縁電線
KR101644791B1 (ko) * 2015-03-23 2016-08-10 주식회사 경신전선 전기자동차용 충전 케이블 및 이의 제조방법

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113689976A (zh) * 2021-08-18 2021-11-23 晶锋集团股份有限公司 一种循环低温阻燃高压动力电缆材料及其制备方法

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