WO2015060201A1 - Composition d'élastomère thermoplastique - Google Patents

Composition d'élastomère thermoplastique Download PDF

Info

Publication number
WO2015060201A1
WO2015060201A1 PCT/JP2014/077610 JP2014077610W WO2015060201A1 WO 2015060201 A1 WO2015060201 A1 WO 2015060201A1 JP 2014077610 W JP2014077610 W JP 2014077610W WO 2015060201 A1 WO2015060201 A1 WO 2015060201A1
Authority
WO
WIPO (PCT)
Prior art keywords
mass
thermoplastic elastomer
parts
elastomer composition
polymer
Prior art date
Application number
PCT/JP2014/077610
Other languages
English (en)
Japanese (ja)
Inventor
伸浩 三輪
高山　治幸
Original Assignee
クラレプラスチックス株式会社
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 クラレプラスチックス株式会社 filed Critical クラレプラスチックス株式会社
Publication of WO2015060201A1 publication Critical patent/WO2015060201A1/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C08L53/02—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes
    • C08L53/025—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes modified
    • 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
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/12—Polypropene
    • 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
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/04—Polysiloxanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof

Definitions

  • the present invention relates to a thermoplastic elastomer composition.
  • thermoplastic elastomer compositions do not require a vulcanization process and can be molded in the same way as thermoplastic resins, so they can be used in a wide range of fields such as automobile parts, home appliance parts, toys, sports equipment, daily necessities, and sundries. in use.
  • thermoplastic elastomer compositions a thermoplastic elastomer composition using a hydrogenated block copolymer of an aromatic vinyl compound and a conjugated diene compound cannot be obtained with other materials by utilizing its excellent oil retention. It is used for a wide range of applications from a very low hardness range to a high hardness range equivalent to polyethylene by utilizing the excellent affinity between polypropylene and polyethylene.
  • Patent Documents 1 and 2 disclose a thermoplastic elastomer composition containing a hydrogenated block copolymer, a polyolefin polymer, and a softening agent.
  • these thermoplastic elastomer compositions are not fully satisfactory in the balance of heat resistance, fluidity, whitening resistance, surface properties, mechanical properties and thin moldability, and further improvements are desired.
  • an object of the present invention is to provide a thermoplastic elastomer composition that is excellent in heat resistance, fluidity, whitening resistance, surface properties, mechanical properties, and thin-wall moldability.
  • a specific hydrogenated block copolymer containing a polymer block composed of an aromatic vinyl compound and a polymer block composed of a conjugated diene compound, and a hydrocarbon rubber softener The present inventors have found that the above-mentioned problems can be solved by blending a specific olefin resin and a silicone oil having a specific kinematic viscosity at a specific ratio.
  • the present invention [1] A 5% by weight toluene solution obtained by hydrogenating a block copolymer containing a polymer block (a) composed of an aromatic vinyl compound and a polymer block (b) composed of a conjugated diene compound 100 parts by mass of a hydrogenated block copolymer (A) having a solution viscosity measured at 30 ° C. in the range of 50 to 200 mPa ⁇ s, 150 to 350 parts by mass of a softening agent for hydrocarbon rubber (B), a propylene polymer And olefin resin (C) having an ethylene polymer content of 1 to 20% by mass, and a kinematic viscosity measured at 25 ° C.
  • A hydrogenated block copolymer having a solution viscosity measured at 30 ° C. in the range of 50 to 200 mPa ⁇ s, 150 to 350 parts by mass of a softening agent for hydrocarbon rubber (B), a propylene polymer And olefin
  • thermoplastic elastomer composition containing 0.05 to 3 parts by mass of a silicone oil (D); [2] The thermoplastic elastomer composition according to [1], wherein the conjugated diene compound is at least one selected from isoprene and butadiene; [3] the kinematic viscosity measured at 40 ° C.
  • hydrocarbon softening agent for rubber (B) is less than 100 mm 2 / s [1] or a thermoplastic elastomer composition according to [2]; [4] The thermoplastic elastomer composition according to any one of [1] to [3], wherein the hydrocarbon rubber softener (B) has a paraffin content of 73% or more by ring analysis; About.
  • thermoplastic elastomer composition having good heat resistance, fluidity, whitening resistance, surface properties, mechanical properties, and thin moldability.
  • thermoplastic elastomer composition of the present invention is obtained by hydrogenating a block copolymer containing a polymer block (a) composed of an aromatic vinyl compound and a polymer block (b) composed of a conjugated diene compound.
  • C hydrocarbon-based rubber softener
  • D silicone oil having a specific kinematic viscosity
  • the hydrogenated block copolymer (A) is obtained by hydrogenating a block copolymer containing a polymer block (a) composed of an aromatic vinyl compound and a polymer block (b) composed of a conjugated diene compound. It is obtained.
  • the aromatic vinyl compound include styrene, ⁇ -methylstyrene, o-methylstyrene, m-methylstyrene, p-methylstyrene, 1,3-dimethylstyrene, vinylnaphthalene, vinylanthracene and the like. Of these, styrene and ⁇ -methylstyrene are preferred.
  • An aromatic vinyl compound may be used individually by 1 type, and may use 2 or more types together.
  • conjugated diene compound examples include butadiene, isoprene, 2,3-dimethyl-1,3-butadiene, 1,3-pentadiene, 1,3-hexadiene, and the like.
  • a conjugated diene compound may be used individually by 1 type, and may use 2 or more types together.
  • the conjugated diene compound is preferably at least one selected from isoprene and butadiene, and a mixture of isoprene and butadiene is more preferable.
  • the content of the aromatic vinyl compound in the hydrogenated block copolymer (A) is preferably 5 to 75% by mass, more preferably 5 to 50% by mass. When the content of the aromatic vinyl compound is within this range, the rubber elasticity of the thermoplastic elastomer composition of the present invention is further improved.
  • 50% or more of carbon-carbon double bonds derived from the conjugated diene compound of the polymer block (b) are preferably hydrogenated, and 75% or more. More preferably, hydrogenation is performed, and 95% or more is particularly preferable.
  • the hydrogenated block copolymer (A) only needs to contain at least one polymer block (a) and one polymer block (b), but from the viewpoint of heat resistance, mechanical properties, etc. It is preferable to contain 2 or more united blocks (a) and 1 or more polymer blocks (b).
  • the bonding mode of the polymer block (a) and the polymer block (b) may be linear, branched or any combination thereof.
  • the polymer block (a) is a, and the polymer block ( When b) is represented by b, a triblock structure represented by aba, (ab) n , (ab) n -a (where n represents an integer of 2 or more) Among them, those having a triblock structure represented by aba are particularly preferable in view of heat resistance, mechanical properties, handling properties, and the like.
  • the weight average molecular weight of the hydrogenated block copolymer (A) is preferably in the range of 100,000 to 500,000, and more preferably in the range of 150,000 to 450,000 from the viewpoint of moldability.
  • the weight average molecular weight as used in this specification means the weight average molecular weight of standard polystyrene conversion calculated
  • the hydrogenated block copolymer (A) needs to have a solution viscosity measured in a 5% by mass toluene solution at 30 ° C. in the range of 50 to 200 mPa ⁇ s, and a range of 60 to 150 mPa ⁇ s. preferable.
  • a solution viscosity measured in a 5% by mass toluene solution at 30 ° C. in the range of 50 to 200 mPa ⁇ s, and a range of 60 to 150 mPa ⁇ s. preferable.
  • the solution viscosity is within the above range, the tensile strength particularly in mechanical properties can be improved.
  • the solution viscosity is smaller than the above range, the tensile strength becomes insufficient, which is not preferable.
  • hydrocarbon rubber softener (B) examples include process oils such as paraffinic oil, naphthenic oil, and aroma oil, liquid paraffin, and the like. Among them, process oils such as paraffinic oil and naphthenic oil are used. Is preferred. These may be used alone or in combination of two or more.
  • the mass average molecular weight of the hydrocarbon rubber softener (B) is preferably 300 to 2,000. Within this range, when the thermoplastic elastomer composition of the present invention is processed into a molded product, oil bleed is extremely reduced.
  • the hydrocarbon rubber softener (B) preferably has a kinematic viscosity at 40 ° C. of 100 mm 2 / s or less. Although a minimum is not specifically limited, 10 mm ⁇ 2 > / s or more is preferable and 20 mm ⁇ 2 > / s or more is more preferable. If the kinematic viscosity is within this range, a thermoplastic elastomer composition having particularly excellent thin-wall moldability can be obtained. In addition, kinematic viscosity as used in this specification is the value measured according to ASTM D445.
  • the hydrocarbon rubber softener (B) preferably has a paraffin content by ring analysis of 73% or more. Furthermore, the naphthene content by ring analysis is more preferably 27% or less. When the paraffin content and the naphthene content are within the above ranges, a thermoplastic elastomer composition having particularly excellent fluidity can be obtained.
  • the ring analysis referred to in this specification means a method (ndM ring analysis) based on ASTM D3228.
  • the blending amount of the hydrocarbon-based rubber softener (B) is 150 to 350 parts by mass with respect to 100 parts by mass of the hydrogenated block copolymer (A). Is 170 to 330 parts by mass. If it is less than 150 parts by mass, the fluidity is inferior, and if it exceeds 350 parts by mass, the mechanical properties (tensile strength) are lowered.
  • the olefin resin (C) includes a propylene polymer and an ethylene polymer, and the content of the ethylene polymer is 1 to 20% by mass.
  • the propylene polymer for example, homopolypropylene, random polypropylene, block polypropylene, atactic polypropylene, syndiotactic polypropylene and the like can be used. Among these, it is preferable to use random polypropylene or block polypropylene.
  • ethylene polymer examples include ethylene homopolymers such as medium density polyethylene, low density polyethylene (LDPE), and high density polyethylene (HDPE); ethylene / 1-butene copolymer, ethylene / 1-hexene copolymer, Ethylene / 1-heptene copolymer, ethylene / 1-octene copolymer, ethylene / 4-methyl-1-pentene copolymer, ethylene / 1-nonene copolymer, ethylene / 1-decene copolymer, etc.
  • An ethylene / ⁇ -olefin copolymer or the like can be used.
  • propylene polymers and ethylene polymers can be used alone as long as the content of the ethylene polymer contained in the olefin resin (C) is in the range of 1 to 20% by mass. Also, two or more types may be used in combination. When two or more types are used in combination, the total content of the ethylene polymers contained in them may be in the range of 1 to 20% by mass.
  • the melt flow rate (MFR) measured under the conditions of 230 ° C. and 21 N of the propylene polymer is preferably 20 g / 10 minutes or more.
  • the melt flow rate (MFR) measured under the conditions of 190 ° C. and 21 N of the ethylene polymer is preferably 10 g / 10 min or more. If the MFR is too small, the molding processability of the thermoplastic elastomer composition tends to decrease.
  • the MFR can be measured according to JIS K 7210.
  • the olefin-based resin (C) used in the present invention includes a propylene-based polymer and an ethylene-based polymer from the viewpoint of good fluidity and whitening resistance of the obtained thermoplastic elastomer composition, and the ethylene-based resin. It is necessary that the content of the polymer is in the range of 1 to 20% by mass. The content of the ethylene polymer is preferably in the range of 2 to 18% by mass. When the content of the ethylene polymer is 1% by mass or more, the thin-wall moldability and the whitening resistance are further improved. When the ethylene polymer content is 20% by mass or less, a thermoplastic elastomer composition excellent in mechanical properties (tensile strength, elongation at break), thin moldability and whitening resistance is obtained.
  • the blending amount of the olefin resin (C) is 150 to 350 parts by weight, preferably 190 to 330 parts by weight based on 100 parts by weight of the hydrogenated block copolymer (A). Part by mass. If it is less than 150 parts by mass, the fluidity is inferior, and if it exceeds 350 parts by mass, the mechanical properties (tensile strength) are lowered.
  • the silicone oil (D) has a kinematic viscosity measured at 25 ° C. of 200 mm 2 / s or less.
  • a high viscosity product having a kinematic viscosity exceeding 200 mm 2 / s has a large molecular weight and cannot improve the surface properties of the thermoplastic elastomer composition.
  • the kinematic viscosity of the silicone oil (D) is more preferably 100 mm 2 / s or less, and still more preferably 50 mm 2 / s or less.
  • the lower limit is not particularly limited, but those having a very low kinematic viscosity cause bleed-out on the surface of the molded skin and are not preferable in appearance, and are therefore preferably 0.1 mm 2 / s or more, more preferably 1 mm 2 / s or more.
  • silicone oil (D) for example, dimethyl silicone oil, methylphenyl silicone oil or the like can be used. These may be used alone or in combination of two or more.
  • the silicone oil (D) is blended in an amount of 0.05 to 3 parts by weight, preferably 0.003 parts per 100 parts by weight of the hydrogenated block copolymer (A). 1 to 0.5 parts by mass. If the amount is less than 0.05 parts by mass, the effect of improving the surface tackiness is inferior. If the amount exceeds 3 parts by mass, bleeding occurs and the appearance is inferior.
  • thermoplastic elastomer composition of the present invention includes various anti-blocking agents, thermal stabilizers, antioxidants, light stabilizers, ultraviolet absorbers, lubricants, crystal nucleating agents, foaming depending on the application. It is also possible to contain a coloring agent, a coloring agent and the like.
  • antioxidants for example, 2,6-ditert-butyl-p-cresol, 2,6-ditert-butylphenol, 2,4-dimethyl-6-tert-butylphenol, 4,4′- Dihydroxydiphenyl, tris (2-methyl-4-hydroxy-5-tert-butylphenyl) butane, tetrakis [methylene-3- (3,5-ditert-butyl-4-hydroxyphenyl) propionate] methane, 3,9 -Bis ⁇ 2- [3- (3-tert-butyl-4-hydroxy-5-methylphenyl) propionyloxy] -1,1-dimethylethyl ⁇ -2,4,8,10-tetraoxaspiro-5, Phenolic antioxidants such as 5-undecane, phosphite antioxidants, thioether antioxidants, and the like can be used.
  • the antioxidant is preferably 0.01 to 3.0 parts by mass with respect to 100 parts by mass in total of the components (A) to (D) contained in the thermoplastic elastomer composition of the present invention. More preferably, the content is 0.05 to 1.0 part by mass.
  • thermoplastic elastomer composition As a method for producing the thermoplastic elastomer composition of the present invention, a method used for producing a normal resin composition or a rubber composition can be employed. A single screw extruder, a twin screw extruder, a Banbury mixer, a heating roll It can be produced by uniformly mixing the components using a melt kneader such as various kneaders. The set temperature of the processing machine can be arbitrarily selected from 150 ° C to 300 ° C. The hardness of the thermoplastic elastomer composition is preferably adjusted so as to be 20 to 50 in the JIS D type.
  • thermoplastic elastomer composition of the present invention can be obtained by using various molding methods, for example, extrusion molding, injection molding, hollow molding, compression molding, calendar molding, or any other method such as sheet, film, and tube. It can be formed into a shaped molded body. Moreover, the thermoplastic elastomer composition of the present invention can also be made into a composite molded body formed by compounding with other materials such as plastics and fabrics by two-color molding method, insert molding method, co-extrusion and the like.
  • thermoplastic elastomer composition of the present invention can be used as a raw material for various industrial products and industrial parts.
  • automotive interior parts such as instrument panels, center panels, center console boxes, door trims, pillars, assist grips, handles, and airbag covers
  • automotive exterior parts such as malls
  • remote control switches and various key tops for OA equipment Home appliance parts such as TVs, stereos, vacuum cleaners, etc .
  • underwater products such as underwater glasses and underwater camera covers; various cover parts; industry with various packing for sealing, waterproofing, soundproofing, vibration-proofing, etc.
  • Automotive functional parts such as rack and pinion boots, suspension boots, constant velocity joint boots, etc .
  • Electrical and electronic parts such as wire coverings
  • Footwear applications such as sports shoes and fashion sandals
  • Building materials such as window frame materials; various joints; used for valve parts, etc. It can be.
  • Hardness A sheet having a thickness of 2 mm was obtained by injection molding the thermoplastic elastomer compositions obtained in Examples and Comparative Examples at 230 ° C. Using this sheet, the JIS-D hardness was measured in accordance with JIS K 6253.
  • MFR Using the thermoplastic elastomer compositions obtained in Examples and Comparative Examples, MFR (g / 10 min) under a load condition of 190 ° C. and 21 N was measured according to JIS K 7210, and used as an index of flow characteristics. .
  • Breaking strength and breaking elongation The thermoplastic elastomer compositions obtained in Examples and Comparative Examples were injection molded at 230 ° C. to obtain a sheet having a thickness of 2 mm.
  • thermoplastic elastomer compositions obtained in Examples and Comparative Examples were injection molded at 230 ° C. to obtain a sheet having a thickness of 2 mm. Then, an angle-shaped test piece without incision was punched out, a tear test was performed according to JIS K 6252, and the tear strength was measured.
  • thermoplastic elastomer compositions obtained in the examples and comparative examples were injection-molded into a mold having a thickness of 0.5 mm and a width of 40 mm at 230 ° C., and delamination and flow marks near the gate.
  • the appearance defects such as short shots were observed and used as indicators of thin-wall moldability ( ⁇ : very good, ⁇ : good, ⁇ : slightly defective, ⁇ : defective).
  • Surface property The injection-molded sheet of the thermoplastic polymer composition obtained in the examples and comparative examples was traced with a fingertip to obtain an index of surface property (no stickiness: ⁇ , with stickiness: x).
  • ⁇ Softener for hydrocarbon rubber (B)> ⁇ Ingredient (b-1) Diana Process Oil PW90 (trade name), manufactured by Idemitsu Petrochemical Co., Ltd., paraffinic oil, kinematic viscosity (40 ° C.): 95.5 mm 2 / s, ring analysis paraffin: 71%, ring analysis naphthene: 29% ⁇ Ingredient (b-2) KixxPO8 (trade name), manufactured by GS Caltex Corporation, paraffinic oil, kinematic viscosity (40 ° C.): 49.4 mm 2 / s, ring analysis paraffin: 79%, ring analysis naphthene: 21%
  • Ingredient (c-1) Prime polypropylene J708UG (trade name), manufactured by Prime Polymer Co., Ltd., block polypropylene, MFR (230 ° C., 21.18 N): 45 g / 10 min, ethylene polymer content: 14% by mass ⁇
  • Ingredient (c-2) Prime polypropylene J108M (trade name), manufactured by Prime Polymer Co., Ltd., homopolypropylene, MFR (230 ° C., 21.18N): 45 g / 10 min, ethylene polymer content: 0% by mass ⁇
  • Ingredient (c-3) Novatec Polyethylene LJ8041 (trade name), manufactured by Nippon Polypropylene Co., Ltd., low density polyethylene (LDPE), MFR (190 ° C., 21.18 N): 23 g / 10 minutes, ethylene polymer content: 100% by mass.
  • LDPE low density polyethylene
  • Ingredient (d-1) Dimethyl silicone oil AK35 (trade name), Asahi Kasei Wacker Silicone Co., kinematic viscosity (25 °C): 35mm 2 / s ⁇
  • Ingredient (d-2) Dimethyl silicone oil AK350 (trade name), manufactured by Asahi Kasei Wacker Silicone Co., Ltd., kinematic viscosity (25 ° C.): 350 mm 2 / s
  • thermoplastic elastomer composition No. 4 exhibits good heat resistance, fluidity, whitening resistance, surface properties, mechanical properties, and thin moldability.
  • the content of the ethylene polymer in the olefin resin (C) exceeds 20% by mass, so mechanical properties (tensile strength, elongation at break) ), Poor fluidity, whitening resistance, and thin-wall formability.
  • thermoplastic elastomer composition of Comparative Example 3 uses a hydrogenated block copolymer having a solution viscosity of less than 50 mPa ⁇ s and outside the scope of the present invention, it is inferior in mechanical properties (tensile strength) and whitening resistance.
  • the thermoplastic elastomer compositions of Comparative Examples 4 and 5 use a hydrogenated block copolymer having a solution viscosity of less than 50 mPa ⁇ s and outside the scope of the present invention, and an ethylene polymer in the olefin resin (C). Is more than 20% by mass, it is inferior in mechanical properties (tensile strength, elongation at break), fluidity, whitening resistance, and thin-wall moldability.
  • thermoplastic elastomer composition of Comparative Example 6 is inferior in whitening resistance and thin-wall moldability because the olefin resin (C) does not contain an ethylene polymer.
  • the thermoplastic elastomer composition of Comparative Example 7 has poor surface properties because the viscosity of the silicone oil (D) exceeds 350 mm 2 / s. Since Comparative Example 8 is polyethylene alone, it has poor mechanical properties (tensile strength, elongation at break) and heat resistance.
  • thermoplastic elastomer composition of the present invention is excellent in heat resistance, fluidity, whitening resistance, surface properties, mechanical properties, and thin-wall moldability, so that it can be used for automobile interior materials, exterior materials, floor materials, home appliance parts, foods, etc. It can be used effectively in a wide range of applications such as parts for appliances, audio equipment, OA equipment, various switches, optical cables, sports equipment, shoes, building materials, toys, stationery, and the like.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

Le problème de l'invention est de produire une composition d'élastomère thermoplastique présentant une excellente résistance thermique, une excellente aptitude à l'écoulement, une excellente résistance à la formation d'un voile, d'excellentes propriétés de surface, d'excellentes propriétés mécaniques et une excellente aptitude à la formation d'un film mince. Selon l'invention, le problème peut être résolu par une composition d'élastomère thermoplastique comprenant : 100 parties en masse d'un copolymère séquencé hydrogéné (A) qui est produit par hydrogénation d'un copolymère séquencé qui comprend un bloc polymère (a) comprenant un composé aromatique de vinyle et un bloc polymère (b) comprenant un composé de type diène conjugué et qui présente une viscosité de solution se situant dans la plage de 50 à 200 mPa·s lorsqu'elle est mesurée dans une solution de toluène à 5 % en masse à 30 °C ; 150 à 350 parties en masse d'un plastifiant pour caoutchouc de type hydrocarbure (B) ; 150 à 350 parties en masse d'une résine oléfinique (C) qui comprend un polymère de type propylène et un polymère de type éthylène, la teneur en polymère de type éthylène étant de 1 à 20 % en masse ; et 0,05 à 3 parties en masse d'une huile de silicone (D) qui présente une viscosité cinématique de 200 mm2/s ou moins, telle que mesurée à 25°C.
PCT/JP2014/077610 2013-10-25 2014-10-16 Composition d'élastomère thermoplastique WO2015060201A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013222096 2013-10-25
JP2013-222096 2013-10-25

Publications (1)

Publication Number Publication Date
WO2015060201A1 true WO2015060201A1 (fr) 2015-04-30

Family

ID=52992799

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2014/077610 WO2015060201A1 (fr) 2013-10-25 2014-10-16 Composition d'élastomère thermoplastique

Country Status (1)

Country Link
WO (1) WO2015060201A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000256522A (ja) * 1999-03-11 2000-09-19 Kinugawa Rubber Ind Co Ltd タックレスエラストマー組成物
JP2002173576A (ja) * 2000-12-05 2002-06-21 Sumitomo Bakelite Co Ltd 熱可塑性エラストマー組成物
JP2002348435A (ja) * 2001-05-24 2002-12-04 Japan Polyolefins Co Ltd 複合成形体
JP2004075945A (ja) * 2002-08-22 2004-03-11 Mitsuboshi Belting Ltd スラッシュ成形用熱可塑性エラストマー組成物、粉末物およびこれを用いた表皮体
JP2008264242A (ja) * 2007-04-20 2008-11-06 Aron Kasei Co Ltd 熱可塑性エラストマー組成物およびそれを用いてなる薬液容器用口部栓体のカバー
WO2011155571A1 (fr) * 2010-06-09 2011-12-15 旭化成ケミカルズ株式会社 Composition élastomère thermoplastique et articles moulés associés
JP2013053319A (ja) * 2008-10-08 2013-03-21 Aron Kasei Co Ltd 押出成形用エラストマー組成物およびフィルム

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000256522A (ja) * 1999-03-11 2000-09-19 Kinugawa Rubber Ind Co Ltd タックレスエラストマー組成物
JP2002173576A (ja) * 2000-12-05 2002-06-21 Sumitomo Bakelite Co Ltd 熱可塑性エラストマー組成物
JP2002348435A (ja) * 2001-05-24 2002-12-04 Japan Polyolefins Co Ltd 複合成形体
JP2004075945A (ja) * 2002-08-22 2004-03-11 Mitsuboshi Belting Ltd スラッシュ成形用熱可塑性エラストマー組成物、粉末物およびこれを用いた表皮体
JP2008264242A (ja) * 2007-04-20 2008-11-06 Aron Kasei Co Ltd 熱可塑性エラストマー組成物およびそれを用いてなる薬液容器用口部栓体のカバー
JP2013053319A (ja) * 2008-10-08 2013-03-21 Aron Kasei Co Ltd 押出成形用エラストマー組成物およびフィルム
WO2011155571A1 (fr) * 2010-06-09 2011-12-15 旭化成ケミカルズ株式会社 Composition élastomère thermoplastique et articles moulés associés

Similar Documents

Publication Publication Date Title
JP2016203633A (ja) 材料押出式３次元プリンター成形用フィラメント及び成形体の製造方法
JP6589180B2 (ja) ガスバリア性に優れた熱可塑性重合体組成物
US20220275184A1 (en) Thermoplastic Elastomer Composition and Molded Articles Thereof
JP2016060758A (ja) ブロー成形用樹脂組成物
WO2016104306A1 (fr) Composition de résine thermoplastique
JP3114269B2 (ja) 熱可塑性エラストマー組成物
JP3503352B2 (ja) 熱可塑性エラストマー組成物
JP2013039771A (ja) 熱可塑性エラストマー組成物の多層成形体
JP2000103934A (ja) 熱可塑性エラストマー組成物
JPH07149999A (ja) 熱可塑性エラストマー組成物及びその射出成形体
JP2019131722A (ja) 熱可塑性エラストマー組成物及び接合部材
WO2015060201A1 (fr) Composition d'élastomère thermoplastique
WO2000043447A1 (fr) Composition elastomere thermoplastique
JP2022149567A (ja) 熱可塑性エラストマー組成物、成形体、インストルメントパネル用表皮及び、熱可塑性エラストマー組成物の製造方法
JP5711998B2 (ja) 熱可塑性エラストマー組成物
JP2003003038A (ja) 熱可塑性エラストマー組成物およびその製造方法
JP2003183450A (ja) 熱可塑性エラストマー組成物
JP4192007B2 (ja) 摩擦係数の大きい熱可塑性エラストマー組成物及びそれからなる滑り止め部材
JP6144979B2 (ja) 熱可塑性エラストマー組成物
JPH10130452A (ja) 熱可塑性エラストマー組成物
JP2002317097A (ja) 熱可塑性エラストマー組成物
JP3978072B2 (ja) 熱可塑性エラストマー製シート
WO2022064869A1 (fr) Composition d'élastomère thermoplastique et objet moulé composite
JP2010090394A (ja) 手袋用ディッピング成形用組成物及び溶剤ペースト
JP4005489B2 (ja) 医療用シール部材

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 14854960

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

NENP Non-entry into the national phase

Ref country code: JP

122 Ep: pct application non-entry in european phase

Ref document number: 14854960

Country of ref document: EP

Kind code of ref document: A1