WO2006137134A1 - Composition de resine thermoplastique - Google Patents

Composition de resine thermoplastique Download PDF

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Publication number
WO2006137134A1
WO2006137134A1 PCT/JP2005/011454 JP2005011454W WO2006137134A1 WO 2006137134 A1 WO2006137134 A1 WO 2006137134A1 JP 2005011454 W JP2005011454 W JP 2005011454W WO 2006137134 A1 WO2006137134 A1 WO 2006137134A1
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WIPO (PCT)
Prior art keywords
isobutylene
polymer
component
group
styrene
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PCT/JP2005/011454
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English (en)
Japanese (ja)
Inventor
Masanobu Urakami
Taizo Aoyama
Original Assignee
Kaneka Corporation
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Publication date
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Priority to PCT/JP2005/011454 priority Critical patent/WO2006137134A1/fr
Publication of WO2006137134A1 publication Critical patent/WO2006137134A1/fr

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    • 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
    • C08L53/005—Modified block copolymers
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes

Definitions

  • the present invention relates to a thermoplastic resin containing a specific isobutylene block copolymer, a thermoplastic polyurethane resin, and an olefin polymer or a styrene polymer containing a specific functional group. Relates to the composition.
  • thermoplastic elastomer which is a rubber-like soft material and does not require a vulcanization step and has a moldability similar to that of a thermoplastic resin has attracted attention.
  • various polymers such as polyolefins, polyurethanes, polyesters, and polystyrenes have been developed and are commercially available.
  • polystyrene-based thermoplastic elastomers see Patent Document 1 are widely used in terms of processability and cost, but they are all satisfactory in terms of low hardness, oil resistance, transparency, etc.
  • Patent Document 1 Japanese Patent Laid-Open No. 11-293083
  • An object of the present invention is to provide a thermoplastic resin composition excellent in low hardness, oil resistance, transparency and the like.
  • thermoplastic resin composition containing a styrene polymer or a styrene polymer solves the above problems, and has led to the present invention.
  • the present invention relates to (a) an isobutylene block copolymer composed of a polymer block containing isobutylene as a main component and a polymer block having a monomer component not containing isobutylene as a main component.
  • thermoplastic polyurethane 5 to 95% by weight (b) thermoplastic polyurethane 5 to 95% by weight (C) at least one functional group selected from the group consisting of an epoxy group, an amino group, a hydroxyl group, an acid anhydride group, a carboxyl group and a salt thereof, and a carboxylate ester card
  • C at least one functional group selected from the group consisting of an epoxy group, an amino group, a hydroxyl group, an acid anhydride group, a carboxyl group and a salt thereof, and a carboxylate ester card
  • the present invention relates to a thermoplastic resin composition comprising 0.1 to 50 parts by weight of an olefin polymer or a styrene polymer.
  • the monomer component (a) which is not mainly composed of isobutylene as a main component is a monomer component mainly composed of an aromatic buyl monomer.
  • the present invention relates to a plastic resin composition.
  • a preferred embodiment relates to a thermoplastic resin composition in which the aromatic vinyl monomer is at least one selected from the group force consisting of styrene, p-methylstyrene, a-methylstyrene, and indene force.
  • an isobutylene-based block copolymer power a polymer block mainly composed of an aromatic butyl monomer, and a polymer block aromatic bulla monomer based on isobutylene.
  • a triblock copolymer having a polymer block force comprising, as a main component, a polymer block comprising an aromatic butyl monomer as a main component, a diblock copolymer comprising a polymer block force comprising isobutylene as a main component, and A polymer block composed mainly of an aromatic vinyl monomer and a polymer block composed mainly of isobutylene. It is related with the thermoplastic resin composition characterized by being.
  • a preferred embodiment is characterized in that the olefin polymer or styrene polymer of component (c) is a styrene ethylene butylene styrene copolymer (MAH-SEBS) having an acid anhydride group.
  • MAH-SEBS styrene ethylene butylene styrene copolymer
  • the present invention relates to a thermoplastic rosin composition.
  • thermoplastic resin composition of the present invention is excellent in low hardness, oil resistance and transparency, and also in heat resistance stability and mechanical strength. It can be used for toys, moving equipment, stationery, automotive interior / exterior, civil engineering, construction, home appliances, clothing, footwear, medical use, sanitary goods, packaging and transport materials, and electric wires. In particular, it is suitable for daily goods that require oil resistance and low hardness.
  • the (a) isobutylene block copolymer of the present invention has a polymer block composed of a polymer block containing isobutylene as a main component and a monomer block not containing isobutylene as a main component.
  • a polymer block composed of a polymer block containing isobutylene as a main component and a monomer block not containing isobutylene as a main component.
  • block copolymers, diblock copolymers, triblock copolymers, multiblock copolymers, etc. having a linear, branched, or star structure can be selected. is there.
  • a polymer block having a monomer component that does not contain isobutylene as the main component is composed of isobutylene as the main component.
  • Diblock copolymer with combined block strength, polymer block composed of monomer components that do not contain isobutylene as the main component, and polymer block force with three or more arms that form polymer block force with isobutylene as the main component Examples include coalescence. These can be used alone or in combination of two or more in order to obtain the desired physical properties and moldability.
  • the monomer component not containing isobutylene as a main component of the present invention is a monomer component having an isobutylene content of 30% by weight or less.
  • the main component is isobutylene.
  • the content of isobutylene in the monomer component is preferably 10% by weight or less, more preferably 3% by weight or less.
  • the monomer other than isobutylene in the monomer component not containing isobutylene as a main component of the present invention is not particularly limited as long as it is a monomer component that can be cationically polymerized.
  • Examples thereof include monomers such as group bulls, gens, vinyl ethers, silane compounds, vinyl carbazole, 13-vinene, and acenaphthylene. These are used alone or in combination of two or more.
  • Aliphatic olefin monomers include ethylene, propylene, 1-butene, and 2-methyl.
  • Examples include 1-butene, 3-methyl-1-butene, pentene, hexene, cyclohexene, 4-methyl pentene, butylcyclohexane, otaten, norbornene, and the like.
  • Aromatic bulle monomers include styrene, o-methylstyrene, m-methylstyrene. , P-methylstyrene, ⁇ -methylstyrene, ⁇ -methylenostyrene, 2,6 dimethylstyrene, 2,4 dimethylstyrene, ⁇ -methyl- ⁇ -methylstyrene, ⁇ -methyl-m-methylstyrene, ⁇ -methyl- ⁇ — Methyl styrene, j8-methyl-o-methyl styrene, ⁇ -methyl-m-methyl styrene, 13-methyl-p-methyl styrene, 2, 4, 6 trimethyl styrene, ⁇ -methyl-2, 6 dimethyl styrene, ⁇ -methyl-2, 4 dimethyl styrene , 13-methyl-2,6 dimethylstyrene, 13-methyl-2,4 dimethylstyrene, ⁇
  • Examples of the gen-based monomer include butadiene, isoprene, hexagen, cyclopentagen, cyclohexagen, dicyclopentagen, divinylbenzene, ethylidene norbornene, and the like.
  • butyl ether monomer examples include methyl vinyl ether, ethyl vinyl ether, n-propyl vinyl ether, isopropyl vinyl ether, n-butyl vinyl ether, sec butyl vinyl ether, tert butyl vinyl ether, isobutyl vinyl etherate, methinorepropenoline etherol. Ethenorepropenenoreatenore and the like.
  • silane compound examples include butyltrichlorosilane, butylmethyldichlorosilane, butyldimethylchlorosilane, vinyldimethylmethoxysilane, vinyltrimethylsilane, dibutyldichlorosilane, divininoresimethoxymethoxy, divininoresimethinolessilane, 1,3 dibi- Nore -1, 1, 3, 3-tetramethyldisiloxane, trivinylmethylsilane, ⁇ -methacryloyloxypropyltrimethoxysilane, ⁇ -methacryloyloxypropylmethyldimethoxysilane, and the like.
  • the monomer component not mainly composed of isobutylene of the present invention is preferably a monomer component mainly composed of an aromatic vinyl monomer from the balance of physical properties and polymerization characteristics.
  • the monomer component mainly composed of the aromatic bur monomer of the present invention is a monomer component having an aromatic vinyl monomer content of 60% by weight or more, preferably 80% by weight or more. Show.
  • the aromatic bur monomer it is preferable to use one or more monomers selected from styrene, ⁇ -methyl styrene, ⁇ -methyl styrene, and indene group power. From the viewpoint of cost, styrene, ⁇ —It is particularly preferable to use methylstyrene or a mixture thereof.
  • the monomer component mainly composed of isobutylene of the present invention may or may not contain a monomer other than isoprene. Usually, isobutylene is contained in an amount of 60% by weight or more. The monomer component is preferably 80% by weight or more.
  • the monomer other than isoprene is not particularly limited as long as it is a monomer capable of cationic polymerization, and examples thereof include the above-mentioned monomers.
  • the ratio of the polymer block containing isobutylene as the main component and the polymer block containing isobutylene as the main component is not particularly limited, but from the viewpoint of various physical properties, isobutylene is used.
  • Polymer block strength containing 0 to 95% by weight of the main component, and polymer block containing 5 to 60% by weight of the polymer block having the monomer component strength not containing isobutylene is preferred. It is particularly preferred that the block is from 50 to 85% by weight and the polymer block having a monomer component power not containing isobutylene as a main component is from 15 to 50% by weight.
  • the number average molecular weight of the isobutylene block copolymer is not particularly limited, but the surface strength such as fluidity, calorific properties, physical properties, etc. is preferably 30000-500000. Especially preferred to be between 50000 and 40 0000! /.
  • the number average molecular weight of the isobutylene block copolymer is lower than 30000, the softening agent used as necessary tends to bleed out, and the mechanical properties are not fully expressed. If it exceeds It is disadvantageous in terms of mobility and workability.
  • the above number average molecular weight is a value measured using a gel permeation chromatography (GPC) system manufactured by Waters (column: Shodex K-804 (polystyrene gel) manufactured by Showa Denko KK, mobile phase: black mouth form). .
  • GPC gel permeation chromatography
  • isobutylene is the main component in the presence of the compound represented by the following general formula (1). It is obtained by polymerizing the monomer component and the monomer component not containing isobutylene as a main component.
  • X represents a halogen atom, an alkoxy group having 1 to 6 carbon atoms or an acyloxy group having 1 to 6 carbon atoms.
  • R 2 represents a hydrogen atom or a monovalent hydrocarbon group having 1 to 6 carbon atoms, and R 2 may be the same or different.
  • R 3 is a polyvalent aromatic hydrocarbon group or a polyvalent aliphatic hydrocarbon group, and n is a natural number of 1-6. ].
  • the compound represented by the general formula (1) serves as an initiator, and is considered to generate a carbon cation in the presence of a Lewis acid or the like and serve as a starting point for cationic polymerization.
  • Examples of the compound of the general formula (1) used in the present invention include the following compounds.
  • Isopropyl) benzene, bis (2-chloro-2-propynole) benzene! / ⁇ is also called dicuminochloride, and tris (1-chloro-1- 1-methylethyl) benzene is tris (cyclochloroisopropyl) benzene, tris ( 2—Black mouth 2—Propyl) Benzene! / ⁇ ⁇ is also called Tricminolek mouth ride.
  • a Lewis acid catalyst may be allowed to coexist.
  • Such Lewis acid may be any one that can be used for cationic polymerization.
  • Metal halides such as aCl, VC1, FeCl, ZnBr, A1C1, AlBr; Et A1C1, EtAlC
  • Organometallic halides such as 1 can be preferably used (Et represents an ethyl group)
  • the amount of Lewis acid used is not particularly limited, but polymerization of the monomer used
  • 0.1 to L00 molar equivalent can be used with respect to the compound represented by the general formula (1), preferably in the range of 1 to 50 molar equivalent.
  • an electron donor component may be allowed to coexist if necessary.
  • This electron donor component is believed to have the effect of stabilizing the growing carbon cation during cation polymerization, and the addition of an electron donor produces a polymer with a controlled molecular weight distribution structure.
  • the electron donor component that can be used is not particularly limited, and examples thereof include pyridines, amines, amides, sulfoxides, esters, and metal compounds having an oxygen atom bonded to a metal atom. it can.
  • the polymerization of the isobutylene block copolymer can be carried out in an organic solvent as necessary, and the organic solvent can be used without any particular limitation as long as it does not substantially inhibit cationic polymerization.
  • halogenated hydrocarbons such as methyl chloride, dichloromethane, chloroform, chloro chloride, dichloroethane, n -propyl chloride, n-butyl chloride, and black benzene; benzene, toluene, xylene, ethylbenzene, propyl Alkylbenzenes such as benzene and butylbenzene; linear aliphatic hydrocarbons such as ethane, propane, butane, pentane, hexane, heptane, octane, nonane, and decane; 2-methylpropane, 2-methylbutane, 2, Branched aliphatic hydrocarbons such as 3,3-trimethyl
  • the amount of the solvent used is preferably 1 to 50% by weight, more preferably 5 to 35% by weight in consideration of the viscosity of the polymer solution obtained and ease of heat removal. Can be determined.
  • the components under cooling for example, at a temperature of 100 ° C or higher and lower than 0 ° C.
  • the temperature range is 80 ° C to 30 ° C.
  • thermoplastic polyurethane-based resin of the present invention various thermoplastic polyurethane-based resins such as ester-based, ether-based, and carbonate-based resins are used.
  • thermoplastic polyurethane-based resin (b) examples include (i) an organic diisocyanate, (mouth) a chain extender, and (c) a thermoplastic polyurethane-based resin having a polymer polyol power.
  • Any manufacturing method can be used.
  • the (i) component, the (mouth) component and the (c) component which are uniformly mixed in advance, are cast on a vat that has been subjected to mold release treatment by high-speed stirring and mixing.
  • the reaction force at a temperature of 200 ° C or less or (i) component and (mouth) component are added to form a terminal isocyanate group prepolymer, and then (c) component is added and mixed at high speed.
  • Conventionally known techniques such as casting on a release-treated bat and reacting at a temperature of 200 ° C. or lower as necessary can be used.
  • organic diisocyanate (i) any conventionally known ones can be used.
  • dihydroxy compounds having a molecular weight of less than 500 can be used.
  • the polymer polyol (c) is a force capable of using a dihydroxy compound having an average molecular weight of 500 to 4000. Examples thereof include polyester diol, polyether diol, and polycarbonate diol.
  • Polyester diols include ethylene glycol, propylene glycol, 1,4 butanediol, 1,5 pentanediol, 1,6 hexanediol, neopentyl glycol, 3-methyl-1,5 pentanediol, cyclohexanedimethanol Or one or more of the other low molecular diol components and one or more of the low molecular dicarboxylic acids such as dartaric acid, suberic acid, sebacic acid, terephthalic acid, and isophthalic acid.
  • Examples thereof include polylataton diols obtained by condensation polymerization products and ring-opening polymerization of latatones such as polyproviolatatone diols, polyprolatatone diols, polyvalerolataton diols, and the like.
  • polyether diol examples include polypropylene ether glycol, polytetramethylene ether glycol, polyhexamethylene ether glycol, and other copolymerized polyether glycols.
  • polycarbonate diol examples include polyhexamethylene carbonate diol, diol obtained by ring-opening addition polymerization of ratatone to polyhexamethylene carbonate diol, polyhexamethylene carbonate diol and other polyester diols, polyether diol, Examples include co-condensates with polyether ester diols.
  • thermoplastic polyurethane-based resins can be used.
  • thermoplastic resin composition of the present invention In order to increase the transparency of the thermoplastic resin composition of the present invention, it can be realized by combining the components (a) and (b) having similar refractive indexes.
  • refractive index a value measured by a method using sodium D-line such as Abbe refractometer NAR-3T (manufactured by Atago Co., Ltd.) can be used.
  • Ingredient (b) Thermoplastic polyurethane resin is blended as follows: Component (a) Isobutylene block It is 5 to 95% by weight with respect to 5 to 95% by weight of the copolymer, preferably (a) 25 to 75% by weight with respect to 25 to 75% by weight of the isobutylene block copolymer. If it is less than 5% by weight, the oil resistance of the resulting thermoplastic resin composition is reduced, and if it exceeds 95% by weight, the hardness of the resulting thermoplastic resin composition is increased and the soft feel is reduced. End up.
  • the functional group in the olefin-based polymer or styrenic polymer containing a functional group used for the component (c) of the present invention is a functional group having polarity, and is an epoxy group, an amino group, a water group. It is at least one functional group selected from the group consisting of acid groups, acid anhydride groups, carboxyl groups and salts thereof, and carboxylic acid esters.
  • the term “polymer” as used herein includes a copolymer, and the copolymerization mode of the copolymer is not particularly limited. Random copolymers, graft copolymers, block copolymers, etc. The style may be good.
  • olefin polymers and styrene polymers include ethylene propylene copolymers, ethylene-butene copolymers, ethylene octene copolymers, ethylene monohexene copolymers, and other ethylene.
  • Copolymer polyethylene, polypropylene, polystyrene, polybutene, ethylene propylene copolymer, styrene butadiene copolymer, styrene butadiene styrene block copolymer (SBS), styrene isoprene styrene block copolymer (SIS), Examples thereof include polybutadiene, butadiene-acrylonitrile copolymer, polyisoprene, butene-isoprene copolymer, styrene ethylene butylene styrene block copolymer (SEBS), and styrene ethylene propylene / styrene block copolymer (SEPS).
  • SBS styrene butadiene copolymer
  • SIS styrene isoprene styrene block copolymer
  • SEBS styrene ethylene
  • olefin-based polymer having a functional group and the styrene-based polymer used in the component (c) of the present invention include polyolefin-based polymers such as ethylene'-olefin-based copolymers, Copolymers of acid anhydrides such as maleic anhydride, succinic anhydride, and fumaric anhydride, carboxylic acids such as acrylic acid, methacrylic acid, and butyl acetate and their Na, Zn, K, Ca, Mg, etc.
  • styrene-ethylene-butylene-styrene copolymer (MAH-SEBS) having an acid anhydride group is preferred! /.
  • thermoplastic resin composition of the present invention comprises (f) the olefin-based polymer or styrene-based polymer as component (c) with respect to 100 parts by weight of the total amount of component (a) and component (b). It contains 1 to 50 parts by weight.
  • the preferred lower limit is 0.5 parts by weight, and the preferred upper limit is 20 parts by weight.
  • component (c) When the olefin polymer or styrene polymer as component (c) is less than 0.1 part by weight, the compatibility is not sufficiently exhibited, and when it exceeds 50 parts by weight, (a ) It is preferable because the proportion of the component is reduced.
  • the component (c) may be added during the melt-kneading of the components (a) and (b)! /, And may be added to the component (a) or the component (b) in advance. Yo ... The addition to the component (a) or the component (b) in advance is preferable immediately because the effect of improving the compatibility is exhibited.
  • polyolefin resin is also used if necessary.
  • Poliophy As a resin a homopolymer of a 1-year-old refin, a random copolymer, a block copolymer and a mixture thereof, or a random copolymer of an ⁇ -olefin and another unsaturated monomer, a block Copolymers, graft copolymers, and those obtained by oxidation, halogenation or sulfonation of these polymers can be used alone or in combination.
  • polyethylene ethylene-propylene copolymer, ethylene-propylene non-conjugated diene copolymer, ethylene-butene copolymer, ethylene-hexene copolymer, ethylene otaten copolymer, ethylene acetate butyl copolymer, ethylene butyl Polyethylene resin such as alcohol copolymer, ethylene ethyl acrylate copolymer, chlorinated polyethylene; polypropylene such as polypropylene, propylene monoethylene random copolymer, propylene monoethylene block copolymer, chlorinated polypropylene Examples thereof include polybutene, polyisobutylene, polymethylpentene, (co) polymers of cyclic olefins, and the like. Among these, polyethylene-based resin, polypropylene-based resin, or a mixture thereof can be preferably used from the viewpoint of balance of physical properties of thermoplastic resin.
  • the amount of the polyolefin-based rosin blended is 0 to: L 00 parts by weight, preferably 0 to 50 parts by weight, and more preferably 0 to 100 parts by weight of the total amount of the components (a) and (b). ⁇ 30 parts by weight. If it exceeds 100 parts by weight, the hardness increases, such being undesirable.
  • a softener is also used in the composition of the present invention as needed. Although not particularly limited, usually a liquid or liquid material is preferably used at room temperature. Both hydrophilic and hydrophobic softeners can be used. Examples of such softeners include various rubber or rosin softeners such as mineral oil, vegetable oil, and synthetic oil. As mineral oils, process oils such as naphthenes and norafins, etc. As vegetable oils, castor oil, cottonseed oil, linseed oil, rapeseed oil, soybean oil, palm oil, palm oil, peanut oil, peanut oil, pine Examples of the synthetic system include oil and olive oil, and polybutene and low molecular weight polybutadiene.
  • paraffinic process oil and polybutene are preferably used from the viewpoint of compatibility with component (a) or balance of physical properties of the thermoplastic resin composition.
  • softening agents may be used alone or in combination of two or more kinds in order to obtain the desired viscosity and physical properties.
  • the blending amount of the softening agent is 0 to L00 weight with respect to 100 parts by weight of the total amount of the component (a) and the component (b). Parts, preferably 0 to 50 parts by weight, more preferably 0 to 30 parts by weight. If the amount exceeds 100 parts by weight, the softener bleeds out, which is not preferable.
  • a filler can be blended in the resin composition of the present invention for improving physical properties or economic merit.
  • Suitable fillers include flaky inorganic fillers such as clay, diatomaceous earth, silica, talc, norlium sulfate, calcium carbonate, magnesium carbonate, metal oxide, my strength, graphite, aluminum hydroxide; various metal powders Examples thereof include granular or powdered solid fillers such as wood chips, glass powder, ceramic powder, carbon black, granular or powdered polymer; and other various natural or artificial short fibers and long fibers.
  • hollow fillers such as inorganic hollow fillers such as glass balloons and silica balloons, polyvinylidene fluoride, organic hollow fillers that also have polyvinylidene fluoride copolymer power, etc.
  • weight reduction is achieved. be able to.
  • various foaming agents can be mixed, and gas can be mixed mechanically during mixing. These can be used alone or in combination of two or more.
  • the blending amount of the filler is 0 to: LOO parts by weight, preferably 0 to 50 parts by weight, more preferably 100 parts by weight of the total amount of the components (a) and (b). 0 to 30 parts by weight.
  • the amount exceeds 100 parts by weight, the mechanical strength of the resulting thermoplastic resin composition is lowered, and the flexibility is also impaired.
  • thermoplastic rosin composition of the present invention can be blended with an antioxidant and Z or an ultraviolet absorber as necessary, and the blending amounts of the components (a) and (b) The total amount is from 0.01 to 10 parts by weight, preferably from 0.01 to 5 parts by weight, based on 100 parts by weight.
  • flame retardants antibacterial agents, light stabilizers, colorants, fluidity improvers, lubricants, antiblocking agents, antistatic agents, crosslinking agents, crosslinking aids, and the like can be added as other additives. These can be used alone or in combination of two or more.
  • a lubricant can be blended in the thermoplastic resin composition of the present invention for the purpose of adjusting moldability and imparting releasability.
  • Preferred lubricants include fatty acid metal salt lubricants, fatty acid amide lubricants, fatty acid sterol lubricants, fatty acid lubricants, aliphatic alcohol lubricants, partial esters of fatty acids and polyhydric alcohols, and norafine lubricants. You can select and use two or more of these.
  • Examples of the fatty acid metal salt lubricant include calcium stearate, magnesium stearate, aluminum stearate, zinc stearate, barium stearate, and metal montanate.
  • Fatty acid amide-based lubricants include ethylene bis stearic acid amide, L force acid amide, oleic acid amide, stearic acid amide, behenic acid amide, ethylene bisoleic acid amide, and ethylene bisenolic acid. Examples thereof include amides, ethylenebislauric acid amides, m-xylylene bisstearic acid amides, and p-phenolene bisstearic acid amides.
  • Fatty acid ester lubricants include methyl laurate, methyl myristate, methyl palmitate, methyl stearate, methyl oleate, methyl erucate, methyl behenate, butyl laurate, butyl stearate, isopropyl myristate, Isopropyl palmitate, octyl palmitate, octyl palm fatty acid, octyl stearate, special beef tallow fatty acid octyl, lauryl laurate, stearyl stearate, behenyl behenate, cetyl myristate, beef tallow oil, hydrogenated castor oil And montanic acid ester.
  • fatty acid lubricants include stearic acid, palmitic acid, oleic acid, linoleic acid, linoleic acid, and montanic acid.
  • Examples of the aliphatic alcohol include stearyl alcohol, cetyl alcohol, myristyl alcohol, lauryl alcohol, and the like.
  • partial esters of fatty acids and polyhydric alcohols include stearic acid monodalideside, stearic acid diglycerides, olein-based monodalyrides, and montanic acid partial quinic esters.
  • paraffinic lubricant examples include paraffin wax, liquid paraffin, polyethylene wax, oxidized polyethylene wax, and polypropylene wax.
  • fatty acid amides and fatty acid esters and paraffinic lubricants are preferred from the standpoint of moldability improvement effect and cost balance.
  • the blending amount of the lubricant is preferably 0 to: LO parts by weight, more preferably 100 parts by weight based on the total amount of (a) isobutylene block copolymer and (b) thermoplastic polyurethane resin. 0 to 5 parts by weight, more preferably 0 to 3 parts by weight. If it exceeds 10 parts by weight, it is not sufficiently mixed, and the lubricant tends to bleed out. There is also a tendency for the mechanical strength of the object to decrease, which is not preferable.
  • the lubricant may be added during melt kneading of the component (a) and the component (b), or may be added in advance to the component (a) or the component (b).
  • component (a) a relatively low polarity paraffin lubricant is preferred.
  • component (b) a relatively polar high fatty acid amide lubricant or fatty acid ester lubricant is preferred.
  • a paraffinic lubricant to component (a) and a fatty acid amide lubricant or a fatty acid ester lubricant to component (b) in advance.
  • thermoplastic resins thermosetting resins, other thermoplastic elastomers and the like may be blended as long as the performance of the thermoplastic resin composition of the present invention is not impaired.
  • thermoplastic rosin composition of the present invention A known method without particular limitation can be applied to the method for producing the thermoplastic rosin composition of the present invention.
  • the above-mentioned components and optionally the additive components are melt-kneaded using a heat-kneader such as a single screw extruder, twin screw extruder, roll, Banbury mixer, brabender, kneader, high shear mixer, etc. By doing so, it can be manufactured.
  • a heat-kneader such as a single screw extruder, twin screw extruder, roll, Banbury mixer, brabender, kneader, high shear mixer, etc.
  • the kneading order of each component is not particularly limited, and can be determined according to the apparatus used, workability, or physical properties of the obtained thermoplastic resin composition.
  • a 2 mm thick press sheet was prepared, immersed in paraffinic oil and IRM # 3 oil at room temperature for 72 hours, taken out, observed for changes in surface properties, and oil absorption was measured.
  • the composition was compression molded at 170 ° C. to prepare a JIS No. 3 dumbbell test piece. According to JIS K6251, tensile strength and elongation were measured at a tensile speed of 500 mmZsec.
  • the composition was compression molded at 170 ° C. to prepare a JIS No. 3 dumbbell test piece. The transparency of the obtained press sheet was judged visually.
  • a turbidimeter (model: NDH 300A, manufactured by Nippon Denshoku Industries Co., Ltd.) was used for the purpose of quantitatively measuring the transparency, and the turbidity of the sheet obtained from the press sheet was measured.
  • GPC gel permeation chromatography
  • Component (a) Styrene-isobutylene-styrene block copolymer (SIBS): obtained in Production Example 1.
  • SIBS Styrene-isobutylene-styrene block copolymer
  • TPU Thermoplastic polyurethane l
  • MAH-SEBS Ethylene butylene Styrene copolymer
  • Shell Shell (trade name: Kraton FG1901X), hardness 65.
  • Example 14 The power of the composition of 4 is excellent in all of flexibility (low hardness), oil resistance, and transparency.
  • the composition of Comparative Example 1 4 is flexible (low hardness), oil resistance As a result, it was proved that the difference between the property and transparency was insufficient. Industrial applicability
  • thermoplastic resin composition of the present invention is excellent in low hardness, oil resistance and transparency, and also in heat resistance stability and mechanical strength. It can be used for moving equipment use, stationery use, automobile interior / exterior use, civil engineering, construction use, home appliance use, clothing, footwear use, medical use, sanitary goods, packaging transportation materials, electric wire use, etc. In particular, it is suitable for daily goods that require oil resistance and low hardness.

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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)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

Composition de résine thermoplastique laquelle excelle en termes de faible dureté, de résistance à l'huile, de transparence, etc. L'invention concerne une composition de résine thermoplastique caractérisée en ce que pour 100 parties en poids de la quantité totale d'une composition constituée de 5 à 95 % en poids d'un copolymère en blocs d'isobutylène (a) composé d'un bloc de polymère dont le composant principal est l'isobutylène et d'un bloc de polymère provenant d'un composant monomère dont l'isobutylène n'est pas le composant principal et de 5 à 95 % en poids d'un polyuréthane thermoplastique (b), il est contenu 0,1 à 50 parties en poids d'un polymère du styrène ou d'un polymère oléfinique (c) ayant au moins un groupe fonctionnel sélectionné dans le groupe constitué d'un groupe époxy, d'un groupe amino, d'un groupe hydroxyle, d'un groupe anhydride d'acide, d'un groupe carboxyle ou de son sel et d'un ester carboxylique.
PCT/JP2005/011454 2005-06-22 2005-06-22 Composition de resine thermoplastique WO2006137134A1 (fr)

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PCT/JP2005/011454 WO2006137134A1 (fr) 2005-06-22 2005-06-22 Composition de resine thermoplastique

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PCT/JP2005/011454 WO2006137134A1 (fr) 2005-06-22 2005-06-22 Composition de resine thermoplastique

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WO2006137134A1 true WO2006137134A1 (fr) 2006-12-28

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008247972A (ja) * 2007-03-29 2008-10-16 Kaneka Corp 熱可塑性樹脂組成物

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000086859A (ja) * 1998-07-13 2000-03-28 Kanegafuchi Chem Ind Co Ltd 熱可塑性樹脂組成物
JP2000086884A (ja) * 1998-09-10 2000-03-28 Kuraray Co Ltd 熱可塑性重合体組成物
JP2000160023A (ja) * 1998-11-24 2000-06-13 Yokohama Rubber Co Ltd:The 熱可塑性エラストマー組成物
WO2001074764A1 (fr) * 2000-03-30 2001-10-11 Teijin Limited Intermediaires de vitamine d et procedes de fabrication de ceux-ci
JP2005187721A (ja) * 2003-12-26 2005-07-14 Kaneka Corp 熱可塑性樹脂組成物

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000086859A (ja) * 1998-07-13 2000-03-28 Kanegafuchi Chem Ind Co Ltd 熱可塑性樹脂組成物
JP2000086884A (ja) * 1998-09-10 2000-03-28 Kuraray Co Ltd 熱可塑性重合体組成物
JP2000160023A (ja) * 1998-11-24 2000-06-13 Yokohama Rubber Co Ltd:The 熱可塑性エラストマー組成物
WO2001074764A1 (fr) * 2000-03-30 2001-10-11 Teijin Limited Intermediaires de vitamine d et procedes de fabrication de ceux-ci
JP2005187721A (ja) * 2003-12-26 2005-07-14 Kaneka Corp 熱可塑性樹脂組成物

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008247972A (ja) * 2007-03-29 2008-10-16 Kaneka Corp 熱可塑性樹脂組成物

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