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WO2024143178A1 - Composition d'élastomère thermoplastique et corps moulé - Google Patents

Composition d'élastomère thermoplastique et corps moulé Download PDF

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Publication number
WO2024143178A1
WO2024143178A1 PCT/JP2023/046050 JP2023046050W WO2024143178A1 WO 2024143178 A1 WO2024143178 A1 WO 2024143178A1 JP 2023046050 W JP2023046050 W JP 2023046050W WO 2024143178 A1 WO2024143178 A1 WO 2024143178A1
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WO
WIPO (PCT)
Prior art keywords
thermoplastic elastomer
elastomer composition
chlorinated polyolefin
mass
composition according
Prior art date
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Ceased
Application number
PCT/JP2023/046050
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English (en)
Japanese (ja)
Inventor
嶺 春日
展子 尾川
一郎 寒河江
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Resonac Corp
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Resonac Corp
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Filing date
Publication date
Application filed by Resonac Corp filed Critical Resonac Corp
Priority to CN202380079655.XA priority Critical patent/CN120239724A/zh
Priority to JP2024567726A priority patent/JPWO2024143178A1/ja
Priority to KR1020247034133A priority patent/KR20240160210A/ko
Publication of WO2024143178A1 publication Critical patent/WO2024143178A1/fr
Priority to MX2025007100A priority patent/MX2025007100A/es
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/10—Esters; Ether-esters
    • C08K5/12—Esters; Ether-esters of cyclic polycarboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
    • C08L23/28—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or halogen-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
    • C08L23/28—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or halogen-containing compounds
    • C08L23/286—Chlorinated polyethene
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
    • C09K3/1006—Materials in mouldable or extrudable form for sealing or packing joints or covers characterised by the chemical nature of one of its constituents
    • 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
    • H01B3/307—Other macromolecular 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
    • H01B7/02—Disposition of insulation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/16—Applications used for films
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/18—Applications used for pipes
    • 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

Definitions

  • the present invention relates to a thermoplastic elastomer composition and a molded article, more specifically, to a thermoplastic elastomer composition containing vinyl chloride and a chlorinated polyolefin and a molded article containing the thermoplastic elastomer composition.
  • Vinyl chloride resin is used as a general-purpose resin due to its chemical and mechanical stability, and its ease of processing and moldability.
  • Applications for polyvinyl chloride resin include water pipes and other pipes, electrical wire coating, corrugated sheets, rain gutters, fiber-reinforced soft sheets, agricultural films, gaskets, etc.
  • Patent Document 1 discloses a thermoplastic elastomer composition mainly composed of 100 parts by weight of crystalline chlorinated polyethylene having a degree of chlorination of 20-45%, a heat of fusion by DSC method of 5-35 cal/g, and a DOP oil absorption of 25 or more using di-2-ethylhexyl phthalate (DOP) as the oil, and 10-75 parts by weight of a plasticizer.
  • DOP di-2-ethylhexyl phthalate
  • Patent Document 1 also discloses a thermoplastic elastomer composition containing a vinyl chloride resin in addition to the chlorinated polyethylene and plasticizer, and describes that blending the vinyl chloride resin with the chlorinated polyethylene improves moldability in conjunction with the action of the plasticizer, and further improves low-temperature properties and prevents the bleeding phenomenon of the plasticizer.
  • Patent Document 1 does not disclose that the amount of vinyl chloride resin in the thermoplastic elastomer composition is greater than that of the crystalline chlorinated polyethylene.
  • Patent Document 2 discloses an attempt to obtain a molded product that has a certain level of hardness and transparency as well as sufficiently high cold resistance by further adding 1,3,2,4-di(p-methylbenzylidene)sorbitol to a halogen-based soft resin composition that contains a halogen-based resin and a plasticizer.
  • compositions mainly composed of chlorinated polyethylene such as the composition described in Patent Document 1
  • the content of plasticizer in a composition mainly composed of chlorinated polyethylene is increased, bleeding of the plasticizer tends to occur easily, and in particular, when the content of cold-resistant plasticizer is increased, heat aging resistance may deteriorate due to the low molecular weight of the cold-resistant plasticizer.
  • the present invention was made in consideration of the above problems, and aims to provide a thermoplastic elastomer composition with excellent low-temperature flexibility.
  • thermoplastic elastomer composition using a composition containing a specific chlorinated polyolefin has excellent low-temperature flexibility.
  • the present invention includes the following thermoplastic elastomer composition and a molded article containing the thermoplastic elastomer composition.
  • a thermoplastic elastomer composition comprising: [2] The thermoplastic elastomer composition according to [1], wherein the chlorinated polyolefin (B) is a chlorinated polyethylene.
  • thermoplastic elastomer composition according to [1] or [2], wherein the chlorine content of the chlorinated polyolefin (B) is 5 to 50 mass%.
  • thermoplastic elastomer composition according to any one of [1] to [3], wherein the vinyl chloride polymer (A) has an average degree of polymerization of 300 to 10,000.
  • plasticizer (C) is a phthalate ester plasticizer.
  • thermoplastic elastomer composition according to any one of [1] to [5], wherein the chlorinated polyolefin (B) is 1.0 to 80.0 parts by mass per 100 parts by mass of the vinyl chloride polymer (A).
  • the plasticizer (C) is 1.0 to 110.0 parts by mass per 100 parts by mass of the vinyl chloride polymer (A).
  • the melt flow rate of the chlorinated polyolefin (B) at 180° C. under a load of 21.6 kg is 0.01 g/10 min or more.
  • thermoplastic elastomer composition according to any one of [1] to [8], wherein the brittle temperature of the chlorinated polyolefin (B) is ⁇ 150° C. or higher.
  • a molded article comprising the thermoplastic elastomer composition according to any one of [1] to [9].
  • a cable covering material, sheet, or film comprising the thermoplastic elastomer composition according to any one of [1] to [9].
  • a pipe, gasket, or packing comprising the thermoplastic elastomer composition according to any one of [1] to [9].
  • the present invention provides a thermoplastic elastomer composition with excellent low-temperature flexibility.
  • thermoplastic elastomer composition of the present invention it is possible to obtain good cold resistance and molded products with stable performance.
  • One embodiment of the present invention comprises: A composition comprising a vinyl chloride polymer (A), a chlorinated polyolefin (B), and a plasticizer (C),
  • the chlorinated polyolefin (B) has a melt flow rate of 1.5 g/10 min or less at 180° C. under a load of 21.6 kg, and a brittle temperature of ⁇ 60° C. or less in the thermoplastic elastomer composition.
  • the vinyl chloride polymer (A) is a homopolymer or copolymer of vinyl chloride, and examples thereof include vinyl chloride homopolymer, vinyl chloride-vinyl acetate copolymer, vinyl chloride-ethylene copolymer, vinyl chloride-ethylene-vinyl acetate copolymer, and vinyl chloride graft copolymer obtained by graft polymerizing vinyl chloride onto an ethylene-propylene copolymer.
  • the average degree of polymerization of the vinyl chloride polymer (A) measured in accordance with JIS K6721-1977 is preferably 300 or more, more preferably 1000 or more, and even more preferably 1200 or more.
  • the average degree of polymerization of the vinyl chloride polymer (A) is preferably 10000 or less, more preferably 3000 or less, and even more preferably 1400 or less.
  • the average degree of polymerization of the vinyl chloride polymer (A) is 300 to 10000, more preferably 500 to 5000, and even more preferably 1000 to 3000.
  • the chlorinated polyolefin (B) used in the present invention is obtained by chlorinating a polyolefin.
  • a chlorinated polyolefin having a high molecular weight is preferable.
  • the melt flow rate can be mentioned as a physical property related to the molecular weight of the chlorinated polyolefin (B).
  • the chlorinated polyolefin (B) used in the present invention has a melt flow rate of 1.5 g/10 min or less. This melt flow rate is preferably 1.0 g/10 min or less, and more preferably 0.5 g/10 min or less. If the melt flow rate of the chlorinated polyolefin is 1.5 g/10 min or less, it is preferable that the cold resistance (impact embrittlement) is good.
  • the melt flow rate of the chlorinated polyolefin (B) is preferably 0.01 g/10 min or more, and more preferably 0.1 g/10 min or more.
  • the melt flow rate is a value measured in accordance with JIS K7210-1999 at a temperature of 180°C and a load of 21.6 kg.
  • the molecular weight of the chlorinated polyolefin (B) can also be evaluated by its viscosity average molecular weight.
  • the chlorinated polyolefin (B) used in the present invention preferably has a viscosity average molecular weight of 300,000 or more. This viscosity average molecular weight is more preferably 320,000 or more, and even more preferably 340,000 or more.
  • the viscosity average molecular weight of the chlorinated polyolefin (B) is 300,000 or more, it is preferable that a molded product having homogeneous cells is obtained from the thermoplastic elastomer composition.
  • the viscosity average molecular weight of the chlorinated polyolefin (B) is preferably 6 million or less, more preferably 2 million or less, and even more preferably 500,000 or less.
  • the viscosity average molecular weight can be measured in accordance with ASTM D4020.
  • polyolefin (B0) The type of polyolefin (hereinafter "polyolefin (B0)”) that is the raw material of chlorinated polyolefin (B) is not particularly limited, but examples include homopolymers of ethylene; homopolymers of ⁇ -olefins such as propylene, butene-1, pentene-1, hexene-1, octene-1, and 4-methylpentene-1; copolymers of ethylene and ⁇ -olefins; and copolymers of two or more types of ⁇ -olefins.
  • the copolymers may be either random or block copolymers.
  • These polyolefins (B0) may be used alone or in combination of two or more types. Among these, homopolymers of ethylene and copolymers of ethylene and propylene, i.e., polyethylene and ethylene-propylene copolymers, are preferred, with polyethylene being more preferred.
  • the polyolefin (B0) when the chlorinated polyolefin (B) has a high molecular weight, the polyolefin (B0) usually has a high molecular weight.
  • the viscosity average molecular weight of the polyolefin (B0) is preferably 150,000 or more, more preferably 170,000 or more, and even more preferably 220,000 or more.
  • the viscosity average molecular weight of the polyolefin (B0) is the lower limit or more, particularly 150,000 or more, it is preferable that a molded product having homogeneous cells is obtained from the thermoplastic elastomer composition.
  • the viscosity average molecular weight of the polyolefin (B0) is preferably 6 million or less, more preferably 2 million or less, and even more preferably 500,000 or less.
  • the viscosity average molecular weight is measured by the method described in the examples. Note that polyolefins having a viscosity average molecular weight of 300,000 or more are sometimes called high molecular weight polyolefins.
  • the polyolefin (B0) may be used alone or in combination of two or more kinds.
  • the chlorinated polyolefin (B) used in the present invention can be obtained by chlorinating the polyolefin (B0).
  • the method for chlorinating the polyolefin (B0) is not particularly limited, and known methods can be used. Known methods include the aqueous suspension method and the gas phase method, among which the aqueous suspension method is preferred. Specifically, the methods described in JP-A-54-124096 and JP-A-4-106109 can be used as the production method using the aqueous suspension method.
  • an example of a method for producing chlorinated polyethylene using the aqueous suspension method is a method in which chlorine is introduced into a suspension in which polyethylene powder is mixed with water together with a surfactant and the polyethylene powder is suspended in water, or into a solution in which polyethylene is dissolved in a solvent, and chlorination is performed by heating or ultraviolet irradiation.
  • the chlorinated polyolefin (B) is preferably a chlorinated polyethylene or a chlorinated ethylene-propylene copolymer, more preferably a chlorinated polyethylene, and even more preferably a chlorinated polyethylene produced by an aqueous suspension method.
  • the chlorinated polyolefin (B) used in the present invention may be used alone or in combination of two or more kinds.
  • the chlorine content of the chlorinated polyolefin (B) is preferably 5 to 50 mass%, more preferably 20 to 50 mass%, even more preferably 25 to 45 mass%, and particularly preferably 30 to 40 mass%.
  • the chlorine content of the chlorinated polyolefin (B) is equal to or greater than the lower limit, particularly 5 mass% or greater, no crystals of the raw polyethylene remain, a rubber elastomer is obtained, and cold resistance is improved, which is preferable.
  • the chlorine content of the chlorinated polyolefin (B) is equal to or less than the upper limit, particularly 50 mass% or less, the cohesive force of the chlorine is small, hardness does not increase, an elastomer is obtained, and cold resistance is improved, which is preferable.
  • the crystalline heat of fusion of the chlorinated polyolefin (B) used in the present invention is preferably 3 to 90 J/g, more preferably 5 to 60 J/g, and even more preferably 10 to 30 J/g. If the crystalline heat of fusion is 3 J/g or more, the molded product will have crystals and will therefore have adhesiveness, which is preferred. If the crystalline heat of fusion is 90 J/g or less, good flexibility will be obtained, which is preferred.
  • the DSC method is a method for quantifying the thermal changes that occur when a sample is heated or cooled at a constant rate as the amount of thermal energy, and is also known as Differential Scanning Calorimetry. Using the DSC method, it is possible to determine the heat of crystalline fusion from a value calculated from the crystal peak area. Actual measurements can be performed by placing a precisely weighed amount of chlorinated polyolefin in a DSC measuring device and heating the sample at a rate of 10°C/min in the temperature range of 30 to 170°C.
  • the amount of chlorinated polyolefin (B) used in the present invention is preferably 1.0 part by mass or more, more preferably 10 parts by mass or more, and even more preferably 15 parts by mass or more, per 100 parts by mass of vinyl chloride polymer (A).
  • the amount of chlorinated polyolefin (B) used is equal to or more than the lower limit, the properties of the chlorinated polyolefin as a rubber elastomer are fully exhibited, and it is preferable to improve the cold resistance when the thermoplastic elastomer composition is made.
  • plasticizer (C) any plasticizer that is commonly used for polyvinyl chloride can be used.
  • plasticizer (C) that can be used in the present invention include: Phthalate ester plasticizers such as phthalate diesters such as dimethyl phthalate, diethyl phthalate, dibutyl phthalate, diheptyl phthalate, di-n-octyl phthalate, di-2-ethylhexyl phthalate (usually referred to as dioctyl phthalate, DOP), diisononyl phthalate (hereinafter also referred to as "DINP"), octyldecyl phthalate, diisodecyl phthalate, ditridecyl phthalate, butyl benzyl phthalate, and dicyclohexyl phthalate, and tetrahydrophthalate diesters such as di-n-octyl
  • the amount of plasticizer (C) added is preferably 1.0 to 400.0 parts by mass, more preferably 20.0 to 300.0 parts by mass, and even more preferably 30.0 to 250.0 parts by mass, per 100 parts by mass of the chlorinated polyolefin (B). This range is preferable because it allows for appropriate plasticization.
  • the thermoplastic elastomer composition of the present invention contains the vinyl chloride polymer (A), the chlorinated polyolefin (B), and the plasticizer (C).
  • the thermoplastic elastomer composition of the present invention is composed of the vinyl chloride polymer (A), the chlorinated polyolefin (B), and the plasticizer (C).
  • the thermoplastic elastomer composition of the present invention is not limited to such an embodiment, and may further contain, in addition to these components, other components that are not included in the vinyl chloride polymer (A), the chlorinated polyolefin (B), or the plasticizer (C) (hereinafter also referred to as "other components").
  • the amount of the filler added is preferably 1 to 500 parts by mass, and more preferably 10 to 100 parts by mass, per 100 parts by mass of the vinyl chloride polymer (A) and the chlorinated polyolefin (B) combined.
  • the stabilizer examples include metal soaps, organotin compounds, inorganic acid salts, composite stabilizers, and hydrotalcite.
  • the amount of the stabilizer added is preferably 0.5 to 5.0 parts by mass, and more preferably 1.0 to 3.0 parts by mass, per 100 parts by mass of the vinyl chloride polymer (A) and the chlorinated polyolefin (B) combined.
  • Examples of the lubricant include fatty acid metal soaps, ester compounds, hydrocarbon compounds, fatty acid compounds, and higher alcohols.
  • Examples of the pigment include carbon black, titanium oxide, and organic pigments.
  • Examples of the flame retardant include diantimony trioxide, halogen-based flame retardants, phosphorus-based flame retardants, and composite flame retardants.
  • a hindered amine light stabilizer can be used as an example of the light stabilizer.
  • examples of low molecular weight type light stabilizers include bis((2,2,6,6-tetramethyl-1(octyloxy)-4-piperidine)-4-yl decanedioate, bis(1,2,2,6,6-pentamethyl-4-piperidyl) sebacate, a mixture of bis(1,2,2,6,6-pentamethyl-4-piperidyl) sebacate and methyl-1,2,2,6,6-pentamethyl-4-piperidyl sebacate, bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate, and tetrakis(2,2,6,6-tetramethyl-4-piperidyl)-1,2 ,3,4-butane tetracarboxylate, tetrakis(1,2,2,6,6-pentamethyl-4-piperidyl)-1,2,3,4-butane tetracarbox
  • foaming agents examples include azo compounds, nitroso compounds, and sulfonyl hydrazides.
  • thermoplastic elastomer composition of the present invention can be obtained by kneading the vinyl chloride polymer (A), the chlorinated polyolefin (B), the plasticizer (C), and, optionally, the "other components" by a method commonly used in the industry, for example, by using a mixing roll, a Banbury mixer, a kneader, an extruder, or the like.
  • the thermoplastic elastomer composition is suitably used for a molded article containing the same.
  • One embodiment of the present invention is a molded article comprising the thermoplastic elastomer composition.
  • the molded article is preferably used as a cable covering material, a sheet, or a film.
  • Another suitable use of the molded article is as a pipe, a gasket or a packing.
  • the molded article is made of only the thermoplastic elastomer composition.
  • the molded article is not limited to being made of only the thermoplastic elastomer composition, and may further include a material other than the thermoplastic elastomer composition in addition to the thermoplastic elastomer composition.
  • the molded article may include one or more members made of the thermoplastic elastomer composition and one or more members made of a material other than the thermoplastic elastomer composition.
  • the molded article may include a member having a hybrid structure of the thermoplastic elastomer composition and a material other than the thermoplastic elastomer composition.
  • examples of the material other than the thermoplastic elastomer composition include metals and various resins.
  • the chlorine content was measured by the following method: a sample was heated and burned in a glass tube with the flame of a gas burner to remove hydrochloric acid and decompose, and the generated hydrochloric acid gas was absorbed in distilled water and neutralized with a 0.1 mol/1 normal solution of caustic soda to determine the amount of chlorine.
  • MFR melt flow rate
  • ⁇ Brittleness temperature> The brittle temperature was measured by the method specified in Method B of JIS K6261-2:2017.
  • Example 1 100 parts by mass of vinyl chloride resin (TK-1300, manufactured by Shin-Etsu Chemical Co., Ltd.) as vinyl chloride polymer (A), 70 parts by mass of diisononyl phthalate (SANSOCYSER DINP (hereinafter sometimes referred to as "DINP"), manufactured by New Japan Chemical Co., Ltd.) as plasticizer (C), 3 parts by mass of barium stearate as a stabilizer, and 10 parts by mass of calcium carbonate as a filler were mixed in a Henschel mixer without a solvent, and the resulting mixture was discharged from the Henschel mixer at 100 to 110°C.
  • SANSOCYSER DINP (hereinafter sometimes referred to as "DINP"), manufactured by New Japan Chemical Co., Ltd.) as plasticizer (C)
  • 3 parts by mass of barium stearate as a stabilizer 3 parts by mass of barium stearate as a stabilizer, and 10 parts by mass of calcium carbonate as a filler were mixed in
  • chlorinated polyethylene EVASLENE (registered trademark) 301MB, manufactured by Showa Denko K.K.
  • B chlorinated polyolefin
  • the mixture was hand-blended at room temperature (10 to 50°C), and then kneaded with a mixing roll at 170°C for 3 minutes and extruded into a sheet. Thereafter, the mixture was preheated at 170° C. for 3 minutes in a compression molding machine, pressed for 3 minutes, cooled and pressed for 3 minutes to produce a smooth sheet having a thickness of 2 mm.
  • Example 2 to 7 and Comparative Examples 1 to 6 Examples 2 to 7 and Comparative Examples 1 to 6 were carried out in the same manner as Example 1, except that the amounts of vinyl chloride resin, chlorinated polyethylene, plasticizer, and stabilizer were changed to those shown in Tables 1-1 and 1-2 below.
  • the various Elaslen (registered trademark) products shown in Tables 1-1, 1-2, and 2 below are chlorinated polyethylenes manufactured by Showa Denko K.K.

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  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
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Abstract

L'objet de la présente invention est de fournir une composition d'élastomère thermoplastique ayant une excellente flexibilité à basse température.　La présente invention comprend une composition d'élastomère thermoplastique qui contient : un polymère de chlorure de vinyle (A) ; une polyoléfine chlorée (B) qui a un indice de fluidité inférieur ou égal à 1,5 g/10 min à une température de 180°C et une charge de 21,6 kg et une température de fragilisation inférieure ou égale à -60°C ; et un plastifiant (C).
PCT/JP2023/046050 2022-12-27 2023-12-21 Composition d'élastomère thermoplastique et corps moulé Ceased WO2024143178A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN202380079655.XA CN120239724A (zh) 2022-12-27 2023-12-21 热塑性弹性体组合物及成型体
JP2024567726A JPWO2024143178A1 (fr) 2022-12-27 2023-12-21
KR1020247034133A KR20240160210A (ko) 2022-12-27 2023-12-21 열가소성 엘라스토머 조성물 및 성형체
MX2025007100A MX2025007100A (es) 2022-12-27 2025-06-17 Composicion de elastomero termoplastico y objeto moldeado

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022-210533 2022-12-27
JP2022210533 2022-12-27

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JP2000007867A (ja) * 1998-06-25 2000-01-11 Shin Etsu Polymer Co Ltd 部分架橋塩化ビニル系樹脂組成物
WO2014188974A1 (fr) * 2013-05-23 2014-11-27 矢崎総業株式会社 Matériau de gainage pour fil électrique et fil électrique gainé
JP2017208319A (ja) * 2016-05-17 2017-11-24 矢崎総業株式会社 自動車用電線及びそれを用いたワイヤーハーネス
JP2021109884A (ja) * 2020-01-06 2021-08-02 昭和電工株式会社 熱可塑性エラストマー組成物および成形体

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US5247290A (en) 1991-11-21 1993-09-21 Copytele, Inc. Method of operation for reducing power, increasing life and improving performance of epids
JP5195752B2 (ja) 2007-06-07 2013-05-15 日立金属株式会社 チップアンテナ及びその製造方法、並びにかかるチップアンテナを有するアンテナ装置及び通信機器

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
JP2000007867A (ja) * 1998-06-25 2000-01-11 Shin Etsu Polymer Co Ltd 部分架橋塩化ビニル系樹脂組成物
WO2014188974A1 (fr) * 2013-05-23 2014-11-27 矢崎総業株式会社 Matériau de gainage pour fil électrique et fil électrique gainé
JP2017208319A (ja) * 2016-05-17 2017-11-24 矢崎総業株式会社 自動車用電線及びそれを用いたワイヤーハーネス
JP2021109884A (ja) * 2020-01-06 2021-08-02 昭和電工株式会社 熱可塑性エラストマー組成物および成形体

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CN120239724A (zh) 2025-07-01

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