WO2006046408A1 - 熱可塑性樹脂組成物 - Google Patents
熱可塑性樹脂組成物 Download PDFInfo
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- WO2006046408A1 WO2006046408A1 PCT/JP2005/018851 JP2005018851W WO2006046408A1 WO 2006046408 A1 WO2006046408 A1 WO 2006046408A1 JP 2005018851 W JP2005018851 W JP 2005018851W WO 2006046408 A1 WO2006046408 A1 WO 2006046408A1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/18—Layered products comprising a layer of natural or synthetic rubber comprising butyl or halobutyl rubber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B25/08—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
- B32B27/283—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polysiloxanes
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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
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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
- C08L53/02—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
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J153/00—Adhesives based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J153/00—Adhesives based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
- C09J153/02—Vinyl aromatic monomers and conjugated dienes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/24—All layers being polymeric
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/10—Inorganic particles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2270/00—Resin or rubber layer containing a blend of at least two different polymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2274/00—Thermoplastic elastomer material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/10—Properties of the layers or laminate having particular acoustical properties
- B32B2307/102—Insulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2419/00—Buildings or parts thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2605/00—Vehicles
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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
- C08L2666/00—Composition of polymers characterized by a further compound in the blend, being organic macromolecular compounds, natural resins, waxes or and bituminous materials, non-macromolecular organic substances, inorganic substances or characterized by their function in the composition
- C08L2666/02—Organic macromolecular compounds, natural resins, waxes or and bituminous materials
Definitions
- the present invention relates to a thermoplastic resin composition used for multilayer molding and a multilayer molded body using the same.
- thermoplastic elastomers that are rubber-like soft materials that do not require a vulcanization process and that have the same formability as thermoplastic resin are drawing attention.
- various polymers such as polyolefins, polyurethanes, polyesters, polystyrenes, polyvinyl chlorides and vinyls have been developed and marketed.
- These thermoplastic elastomers may be used by themselves, but thermoplastic elastomers in combination with other thermoplastic resins that meet the diverse needs of users are being investigated.
- thermoplastic elastomer resin composition in which a softener is mixed with a polystyrene elastomer such as polyolefin resin and styrene 'butadiene block copolymer (SBS) polystyrene' isoprene block polymer (SIS) has a hardness. It has been widely used as a material having a good balance of flexibility, cushioning properties, impact resistance, rubber elasticity, moldability, and the like.
- SBS styrene 'butadiene block copolymer
- SIS polystyrene' isoprene block polymer
- thermoplastic elastomer resin composition in which polyolefin resin and polystyrene thermoplastic elastomer are melt-kneaded while pressing, each resin is mixed in small particle units to form a composition. To do. For this reason, some of the properties of each coconut oil dilute its effect by kneading. For example, surface properties, workability, vibration damping properties, etc. may rather decrease depending on the type of resin, mixing conditions, and processing conditions.
- a multicolor molding method As a method of obtaining the characteristics possessed by each of the two or more coffins by combining two or more coffins, for example, there is a multicolor molding method.
- a specific resin primary material
- this primary molded body is covered or laminated on the primary molded body.
- rosin secondary material
- a molded body in a worn state can be obtained.
- DSI method die slide molding method
- DRI method die rotary molding method
- the outer surface, surface, chemical resistance, heat resistance, and weather resistance of the surface layer can be used for multi-layer molding using a flexible thermoplastic elastomer for the inner layer. It is possible to obtain a molded body having both properties, vibration damping properties and soundproofing properties.
- Patent Document 1 discloses an isobutylene-based block copolymer which is composed of a polymer block containing isobutylene as a monomer main component and a polymer block containing an aromatic vinyl complex as a monomer main component. And a multilayer molded body of thermoplastic resin.
- the polymer block having isobutylene as the main component of the monomer and the isobutylene block copolymer having a polymer block strength having the main component of the aromatic vinyl compound as the main component are described in the above document.
- the melt viscosity is not necessarily sufficient for multilayer formability. There was also a problem in terms of sound insulation.
- Patent Document 1 Japanese Unexamined Patent Application Publication No. 2004-033445
- An object of the present invention is to provide a thermoplastic resin composition that is excellent in vibration damping properties and has adhesiveness and melt viscosity suitable for multilayer molding.
- thermoplastic resin composition containing an isobutylene-based block copolymer having a predetermined composition As a result of intensive studies in order to solve the above-mentioned problems, the present inventors have used the thermoplastic resin composition containing an isobutylene-based block copolymer having a predetermined composition. The present inventors have found that the problems can be solved and have reached the present invention.
- the present invention relates to (a) a polymer block mainly composed of isobutylene as a monomer main component and a polymer block mainly composed of an aromatic vinyl complex as a monomer main component.
- Polymer 10- a composition comprising LOO wt% and (b) a composition obtained by crosslinking an isobutylene polymer having an alkyl terminal with (c) a hydrosilyl group-containing polysiloxane 0-90 wt%
- the present invention relates to a thermoplastic resin composition comprising (d) 0.1 to 600 parts by weight of filler and (e) 0.1 to 200 parts by weight of a tackifier with respect to 100 parts by weight of the product.
- a preferred embodiment includes a thermoplastic resin composition further comprising (f) a processing aid.
- a preferable embodiment includes (d) a thermoplastic resin composition characterized in that it is at least one kind of filler talc, barium sulfate, or silica.
- the tackifier is an alicyclic petroleum oil or alicyclic system having a number average molecular weight of 300 to 3000 and a softening point based on the ring and ball method of 60 to 150 ° C.
- examples thereof include a thermoplastic resin composition characterized by being a hydride of petroleum resin, an aliphatic petroleum resin, a hydrogenated aromatic petroleum resin, or a polyterpene resin.
- thermoplastic resin composition composed of the above-mentioned thermoplastic resin composition and the second resin layer composed of different thermoplastic resin compositions are used.
- the present invention relates to a multilayer molded article characterized by comprising:
- the present invention relates to a vibration damping component characterized by having the multilayer molded body force.
- the present invention relates to a silencer characterized by having the above-mentioned multilayer molded body force.
- thermoplastic resin composition of the present invention is excellent in flexibility, vibration damping properties, and sound insulation properties, and has adhesiveness and melting characteristics suitable for multilayer formation. Furthermore, the molded article obtained from the thermoplastic resin composition of the present invention is excellent in appearance. Therefore, a multilayer molded article obtained by laminating the thermoplastic resin composition of the present invention and another resin composition is suitable for, for example, various vibration control members that are particularly important in appearance. Can be used.
- the isobutylene block copolymer as component (a) of the present invention comprises a polymer block containing isobutylene as a monomer main component and a polymer block containing an aromatic bur compound as a monomer main component.
- a block copolymer, a diblock copolymer, a triblock copolymer, a multiblock copolymer having a linear, branched, or star structure may be used. Any combination or the like can be selected, and one or two or more types meeting the requirements of viscoelastic properties and other physical properties and molding cache properties may be selected and used.
- Polymer block based on polyisobutylene as monomer main component Triblock copolymer formed from polymer block based on aromatic butyl monomer as monomer main component, isobutylene as monomer main component
- aromatic bur monomers examples include styrene, o-, m- or p-methylstyrene, ⁇ -methylstyrene, 13-methylolstyrene, 2,6 dimethylstyrene, 2,4 dimethylstyrene, and ex-methylolene.
- the polymer block containing the aromatic vinyl monomer of component (a) as a main monomer component is aromatic .
- the monomer that is not the main component is not particularly limited as long as it is a monomer component that can be cationically polymerized, but is not limited to aliphatic olefins, gens, butyl ethers, silanes, vinylcarbazole. And monomers such as ⁇ -vinene and acenaphthylene. These can be 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, vinylcyclohexane, otaten, norbornene, and isobutylene. These may be used alone or in combination of two or more.
- Examples of the gen-based monomer include butadiene, isoprene, hexagen, cyclopentagen, cyclohexagen, dicyclopentagen, divinylbenzene, ethylidene norbornene, and the like. These may be used alone or in combination of two or more.
- butyl ether monomers include methyl butyl ether, ethyl butyl ether, ( ⁇ -, iso) propyl butyl ether, ( ⁇ -, sec-, tert, iso) butyl benzene ether, methyl propylene. And ruether, ethyl propellate and the like. These can be used alone or in combination of two or more.
- silane compound examples include butyltrichlorosilane, butylmethyldichlorosilane, butyldimethylchlorosilane, vinyldimethylmethoxysilane, vinyltrimethylsilane, dibutyldichlorosilane, divininoresimethoxymethoxysilane, divininoresimethinolesilane, 1,3 dibi- Nole - 1,1,3,3 -tetramethyldisiloxane, trivinylmethylsilane, ⁇ -methacryloyloxypropyltrimethoxysilane, ⁇ -methacryloyloxypropylmethyldimethoxysilane, and the like. These may be used alone or in combination of two or more.
- the aromatic bur monomer constituting the aromatic vinyl polymer block of the component (a) has a balance with physical properties and polymerization characteristics in the aromatic vinyl polymer block. More preferably, it is 80% by weight or more, more preferably 95% or more.
- Aromatic bulle monomers include styrene and (X methyl It is particularly preferable to use styrene, a-methylstyrene, or a mixture of these in view of the preferred cost of using at least one monomer selected from the group power of styrene, p-methylstyrene and indenka. ,.
- the polymer block mainly composed of isobutylene as component (a) may or may not contain a monomer other than isobutylene, but is usually 60% by weight or more, preferably 80% by weight. In addition, more preferably 95% or more of isobutylene force is constituted.
- the monomer other than isobutylene is not particularly limited as long as it is a monomer capable of cationic polymerization.
- the ratio of the polymer block mainly containing isobutylene as the monomer main component and the polymer block containing aromatic vinyl as the main monomer component is not particularly limited. From the balance of physical properties, the polymer block containing isobutylene as a monomer main component is 98 to 40% by weight and the polymer containing aromatic vinyl as a monomer main component with respect to the total amount of the above two polymer blocks. It is preferable that the block is 2 to 60% by weight.
- the polymer block containing isobutylene as the main monomer component is preferably 95 to 60% by weight, and the polymer block containing aromatic vinyl as the main monomer component is 5%. 90 to 70% by weight of a polymer block containing isobutylene as a main monomer component, more preferably 40% by weight, and 10 to 10% of a polymer block containing aromatic vinyl as a main monomer component. Particularly preferred is 30% by weight.
- the molecular weight of the isobutylene block copolymer of component (a) is not particularly limited, but in terms of moldability, processability, physical properties, etc., the weight average molecular weight is 5,000-1,500, A force of 000 S, preferably 10,000 to 500,000 A force of more preferably S, a force of 20,000 to 250,000, particularly preferred, a force of 40,000-125,000 Especially good! /. If the weight average molecular weight of the isobutylene block copolymer is lower than the above range, the physical strength, heat resistance, and vibration damping properties are not sufficiently expressed. It is disadvantageous in terms of the balance between physical properties. Within the above range, an appropriate molecular weight can be selected according to the molding method such as injection molding and extrusion molding.
- the molecular weight distribution (ratio of weight average molecular weight (Mw) to number average molecular weight (Mn) (MwZMn)) is preferably 10 or less, more preferably 5 or less, in terms of moldability, processability, physical properties, etc. Preferably it is 3 or less.
- the method for producing the isobutylene block copolymer of component (a) is not particularly limited, but (a) the isobutylene block copolymer is, for example, a compound represented by the following general formula (1). In the presence of the compound, it is obtained by polymerizing a monomer having isobutylene as a main component and a monomer component not having isobutylene as a main component.
- R 2 may be the same or different.
- R 3 is a polyvalent aromatic hydrocarbon group or a polyvalent aliphatic hydrocarbon group, and n represents a natural number of 1 to 6.
- halogen atom examples include chlorine, fluorine, bromine, iodine and the like. It does not specifically limit as said C1-C6 alkoxyl group, For example, a methoxy group, an ethoxy group, n- or an isopropoxy group etc. are mentioned.
- the C 1-6 acyloxy group is not particularly limited, and examples thereof include an acetyloxy group and a propio-oxy group.
- the hydrocarbon group having 1 to 6 carbon atoms is not particularly limited, and examples thereof include a methyl group, an ethyl group, an n- or isopropyl group.
- the compound represented by the general formula (1) serves as an initiator, and is considered to generate a carbon cation in the presence of 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.
- Ethyl) benzene [1, 3, 5— (CIC (CH)) CH].
- 1, 4 screws (1—black Ru 1-methylethyl) benzene, also known as bis ( ⁇ -black mouth isopropyl) benzene, bis (2—black mouth one 2-propyl) benzene or dicmilk mouth ride, is 1, 3, 5-tris (1-chloro).
- 1-Methylethyl) benzene is tris ( ⁇ -chloro-isopropyl) benzene and tris (2-chloro--2-propyl) benzene! / Is also called tritamilk chloride
- a Lewis acid catalyst may be allowed to coexist.
- Such Lewis acid may be any one that can be used for cationic polymerization. TiCl, TiBr, BC1, BF, BF-OEt, SnCl, SbCl, SbF, WC1, T
- Metal halides such as aCl, VC1, FeCl, ZnBr, AlCl, AlBr; Et A1C1, EtAlC
- An organometallic halide such as 1 can be preferably used. Above all as a catalyst
- the amount used is not particularly limited, but can be set in view of the polymerization characteristics or polymerization concentration of the monomers used. Usually, 0.1 to 100 molar equivalents are used with respect to the compound represented by the general formula (1), and 1 to 50 molar equivalents are preferably used! /.
- an electron donor component can be further present if necessary.
- This electron donor component is believed to have the effect of stabilizing the growing carbon cation during cation polymerization, and a polymer with a narrow molecular weight distribution and controlled structure due to the addition of the electron donor.
- the electron donor component that can be used is not particularly limited. Examples thereof include pyridines, amines, amides, sulfoxides, esters, and metal compounds having an oxygen atom bonded to a metal atom. it can.
- the amount of the electron donor component to be used is not particularly limited, and can be set as appropriate in consideration of the polymerization characteristics of the monomer to be used or the polymerization concentration. Usually, it is preferably used in an amount of 0.5 to 10 mole equivalents and 1 to 8 mole equivalents based on the compound represented by the general formula (1).
- the polymerization of the isobutylene block copolymer can be carried out in an organic solvent, if necessary.
- the organic solvent can be used without any particular limitation as long as it does not substantially inhibit cationic polymerization.
- Halogenated hydrocarbons such as benzene, toluene, xylene, ethylbenzene, propylbenzene, butylbenzene, and other alkylbenzenes; ethane, propane, butane, pentane, hexane, heptane, octane, nonane, decane, and other linear fatty acids
- Aromatic hydrocarbons branched aliphatic hydrocarbons such as 2 methylpropane, 2 methylbutane,
- solvents can be used alone or in combination of two or more in consideration of the balance of the polymerization characteristics of the monomers constituting the block copolymer and the solubility of the resulting polymer. . Considering the viscosity of the resulting polymer solution and the ease of heat removal, the amount of the solvent used should be such that the total monomer concentration is 1 to 50% by weight, preferably 5 to 35% by weight. decide.
- the respective components are mixed under cooling, for example, at a temperature of 100 ° C or higher and lower than 0 ° C.
- the temperature is particularly preferably 30 ° C to -80 ° C.
- a diblock copolymer formed from a polymer block containing an aromatic vinyl monomer as a main monomer component and a polymer block containing isobutylene as a main monomer component is used as an arm.
- the method is not particularly limited. For example, in the presence of a compound having three or more cationic polymerization initiation points, a monomer having an aromatic vinyl monomer as a main component is used. And a monomer component mainly composed of isobutylene, and a monomer component mainly composed of an aromatic butyl monomer and a monomer component composed mainly of isobutylene. Examples thereof include a method of producing a polymer, and then coupling (bonding) the diblock copolymer using a polyfunctional compound as a coupling agent (binder).
- polyfunctional compound a compound having three or more reactive points (functional groups) that can be coupled per molecule can be used. If a compound having two reaction points per molecule can be polymerized or reacted to form a polymer and have three or more reaction points (functional groups), it does not hinder the use.
- polyfunctional compounds include, for example, 1,3 dibutenebenzene, 1,4-dibi-norebenzene, 1,2 diisoprobenolebenzene, 1,3 diisoprobenolebenzene, 1,4-diisopropene.
- divinyl aromatic compounds are preferably used from the viewpoints of reactivity, physical properties of the obtained star polymer, and the like, and particularly preferred are 1,3 dibutenebenzene, 1,4-dibutenebenzene, 1,3 diisopropene benzene and 1,4-diisopropene benzene are also at least one species that can be selected.
- the above compound is usually commercially available as a mixture with, for example, ethyl benzene, etc., and can be used as it is as long as the above-mentioned dibuyl aromatic compound is the main component, and can be purified and purified as necessary. May be used in an enhanced manner.
- the (b) isobutylene polymer having a alkenyl group at the end used in the present invention is a monomer component derived from isoprene of 50% by weight or more, preferably 70% by weight or more, and more preferably. Refers to a polymer occupying 90% by weight or more.
- the monomer other than isopylene in the isobutylene polymer having a alkenyl group at the terminal is not particularly limited as long as it is a monomer component that can be cationically polymerized.
- the molecular weight of the isobutylene-based polymer having an alkenyl group at the terminal is not particularly limited. Repulsive force Weight average molecular weight of 1,000 to 500,000 is preferred ⁇ , 5,000 to 200,000 Force S Particularly preferred. When the weight average molecular weight is less than 1,000, the mechanical properties and the like are not sufficiently exhibited. When the weight average molecular weight exceeds 500,000, the decrease in moldability is large.
- the alkenyl group at the end of the isobutylene polymer is particularly a group containing a carbon-carbon double bond that is active for the crosslinking reaction to achieve the object of the present invention. It is not limited. Specifically, aliphatic unsaturated hydrocarbon groups such as vinyl group, aryl group, methyl vinyl group, propenyl group, butenyl group, pentenyl group, hexenyl group, cyclopropylene group, cyclobutene group, cyclopentyl group, etc. And cyclic unsaturated hydrocarbon groups such as a thio group and a cyclohexyl group.
- the number of terminal alkenyl groups of the isobutylene-based polymer can be arbitrarily selected depending on the required properties, but from the viewpoint of the properties after crosslinking, at least 0.2 alkenyl groups per molecule.
- a polymer having an alkenyl group at the terminal is preferable. If the number is less than 2, the improvement effect due to crosslinking may not be sufficiently obtained.
- the (c) hydrosilyl group-containing polysiloxane is not particularly limited, but various types can be used. Among them, it has 3 or more hydrosilyl groups and siloxane units.
- a hydrosiloxane group-containing polysiloxane having 3 or more and 500 or less has 3 or more preferred hydrosilyl groups
- a polysiloxane having 10 or more and 200 or less siloxane units has 3 or more preferred hydrosilyl groups
- Polysiloxane having 20 to 100 siloxane units is particularly preferred. If the content of hydrosilyl groups is less than 3, sufficient network growth due to crosslinking cannot be achieved, and sufficient rubber elasticity cannot be obtained.
- the number of siloxane units is more than 500, the viscosity of the polysiloxane is high.
- the number of polysiloxane units is 100 or less, (c) the hydrosilyl group-containing polysiloxane required for hydrosilylation can be reduced.
- the polysiloxane unit mentioned here refers to the following general formulas (1), (11), and (III).
- R 1 and R 2 represent an alkyl group having 1 to 6 carbon atoms or a phenyl group
- R 3 represents an alkyl group having 1 to 10 carbon atoms or an aralkyl group.
- B represents 3 ⁇ b, a , b, c «3 ⁇ a + b + c ⁇ 500 represents an integer satisfying 00)
- R 4 and R 5 represent an alkyl group having 1 to 6 carbon atoms or a phenyl group, and R 6 represents an alkyl group having 1 to 10 carbon atoms or an aralkyl group.
- E is 3 ⁇ e, d, e, and f are integers satisfying d + e + f ⁇ 500).
- (b) An isobutylene polymer having an alkenyl group at the terminal and (c) a hydrosilyl group-containing polysiloxane can be mixed at an arbitrary ratio. From the viewpoint of curability, 1 mol of alkenyl group.
- the molar ratio of hydrosilyl groups is preferably from 0.5 to 10, and more preferably from 1 to 5. When the molar ratio is less than 0.5, only a cured product with insufficient strength can be obtained due to insufficient crosslinking, and when the molar ratio is greater than 10, active hydrosilyl groups remain in the cured product even after curing. Since a large amount of remains, cracks and voids occur, and a uniform and strong cured product cannot be obtained.
- hydrosilylation soot catalyst can be added.
- a hydrosilylation catalyst is not particularly limited, and examples thereof include radical initiators such as organic peroxide Nazo compounds and transition metal catalysts.
- the radical initiator is not particularly limited.
- di-t-butyl peroxide 2,5-dimethyl-2,5-di (t-butylperoxy) hexane, 2,5-dimethyl-2,5-di (t-butylperoxy) 3-hexyne, dicumyl peroxide, t-butyltamyl peroxide, dialkyl peroxide such as a, ⁇ , -bis (t-butylperoxy) isopropylbenzene, benzoylperoxide, p-chlorobenzoyl Peroxide, m-chlorobenzoinorepenoxide, 2, 4 diclonal benzoinolepenoxide, diacylperoxide such as laureuinorepenoxide, peracid ester such as t-butyl perbenzoate, Peroxydicarbonate such as diisopropyl percarbonate, di-2-perethylhex
- the transition metal catalyst is not particularly limited.
- a platinum solid dispersed in a carrier such as simple platinum, alumina, silica, carbon black, chloroplatinic acid, chloroplatinic acid and Examples include complexes with alcohol, aldehydes, ketones, etc., platinum-olefin complexes, and platinum (0) -dialkenyltetramethyldisiloxane complexes.
- catalysts other than platinum compounds include RhCl (PPh), RhCl, RuCl, IrCl, FeCl, AlCl, PdCl ⁇ ⁇ O, NiCl, Ti
- platinum (0) -dialkenyltetramethyldisiloxane complex is preferable, and platinum dibuletetramethyldisiloxane is most preferable in view of compatibility, crosslinking efficiency, and scorch stability.
- an isobutylene-based polymer having an alkenyl group at the terminal is crosslinked with (c) a hydrosilyl group-containing polysiloxane, (a) a polymer block containing isobutylene as a main monomer component and Melt-kneading an isobutylene block copolymer composed of a polymer block containing an aromatic beryl polymer as a main component of the monomer and (b) an isobutylene polymer having a alkenyl group at the terminal Occasionally (c) the addition of a hydrosilyl group-containing polysiloxane allows dynamic crosslinking, and (b) the uniformity point of the isobutylene polymer crosslinked product having a alkenyl group at the end is also preferred. .
- the blended amount of the composition obtained by crosslinking an isobutylene polymer having an alkenyl group with (c) a hydrosilyl group-containing polysiloxane has a ratio of ⁇ to LOZ90, more preferably 90 to 10 to LOZ90, and still more preferably 80Z20 to 30Z70. Ratio. This is because if the amount of component (a) is less than 10%, the moldability becomes poor.
- the filler is not particularly limited, and examples thereof include clay, diatomaceous earth, silica, talc, sodium sulfate, calcium carbonate, magnesium carbonate, my strength, grafite, hydroxyaluminum hydroxide,
- examples include inorganic fillers such as magnesium hydroxide, natural silicic acid, synthetic silicic acid (white carbon), and metal oxides (titanium oxide, magnesium oxide, and zinc oxide).
- various metal powders such as iron and iron oxide, wood chips, glass powder, ceramic powder, carbon black, granular or powdered solid fillers such as granular or powdered polymer, and other various kinds used as a heat conductivity imparting material
- damping point power talc, My power, silica, and barium sulfate are particularly preferable.
- thermoplastic resin composition of the present invention when talc or silica is used, the viscosity of the thermoplastic resin composition of the present invention is increased, and (g) it is prevented from being pressed by the oil pressure during co-extrusion with the thermoplastic resin. To preferred.
- thermoplastic resin composition of the present invention When barium sulfate is used, it is possible to increase the specific gravity of the thermoplastic resin composition of the present invention, and it is also preferable to improve sound insulation.
- the blending amount of the filler (d) is 0.1 to 600 parts by weight, more preferably 1 to 200 parts by weight with respect to 100 parts by weight of the total of the components (a) and (b).
- the amount is preferably 50 to 200 parts by weight. If the amount is less than 1 part by weight, the physical properties of the resulting molded article will not be improved, and if it exceeds 600 parts by weight, the resulting molded article will have a decrease in mechanical strength and the flexibility will be impaired.
- a tackifier a low molecular weight resin having a number average molecular weight of 300 to 3,000 and a soft spot based on the ring and ball method defined in JIS K-2207 of 60 to 150 ° C Rosin and rosin derivatives, polyterpene resin, aromatic modified terpene resin and their hydrides, terpene phenol resin, coumarone indene resin, aliphatic petroleum resin, alicyclic petroleum resin Fats and their hydrides, aromatic petroleum resins and their hydrides, aliphatic aromatic copolymer petroleum resins, dicyclopentagen petroleum resins and their hydrides, low molecular weight polymers of styrene or substituted styrene Is exemplified.
- Such a tackifier has the effect of moving the Tg of a polymer block containing isobutylene as a main monomer component to the high temperature side.
- an isobutylene block copolymer is used. It is desirable to add a tackifier that is compatible with a polymer block mainly composed of isobutylene as a monomer, for example, alicyclic petroleum rosin and its hydride, aliphatic petroleum Resin, hydrogenated aromatic petroleum resin, polyterpene resin and the like are preferably used.
- the higher the softness point the more effective the Tg of the polymer block mainly composed of isobutylene of the isobutylene block copolymer is moved to the high temperature side. If you want to reduce the amount of high tackifier, use a high soft spot.
- the blending amount of (e) tackifier is 0.1 to 200 parts by weight, more preferably 1 to: LOO parts by weight with respect to 100 parts by weight of the total of component (a) and component (b). And When the amount is less than 1 part by weight, the physical properties of the obtained molded body are not improved. When the amount exceeds 200 parts by weight, the mechanical strength of the obtained molded body is lowered and the workability is also impaired. .
- the coffin composition of the present invention may further contain (f) a processing aid.
- processing aids include salt-bulb resin, acrylonitrile-styrene resin, methyl methacrylate-styrene resin, ABS resin, polycarbonate resin, polyethylene resin, and polyester resin.
- processing aids for fats examples thereof include a copolymer mainly composed of methyl methacrylate and polytetrafluoroethylene. Of these, fibrillated polytetrafluoroethylene is preferred in terms of the effect of improving the molten state.
- the blending amount of the processing aid (f) is preferably 0.001 to 50 parts by weight, more preferably 0 with respect to 100 parts by weight in total of the components (a) and (b). 01 to 20 parts by weight. If it is less than 001 parts by weight, the physical properties of the resulting molded article will not improve, and if it exceeds 50 parts by weight, the flexibility of the resulting molded article will be lost.
- the composition of the present invention includes a softening agent, an anti-oxidation agent, and a Z or ultraviolet absorber, a flame retardant, an antibacterial agent, a heat stabilizing agent as necessary.
- Agents, light stabilizers, colorants, fluidity improvers, processing aids (preferably acrylic processing aids), crystal nucleating agents, lubricants, blocking inhibitors, sealability improvers, antistatic agents, etc. be able to. These can be used alone or in combination of two or more.
- composition of the present invention may contain an aromatic vinyl-conjugated-gen-based thermoplastic elastomer such as styrene butadiene styrene block copolymer (SB S), styrene isoprene styrene block copolymer, if necessary.
- SB S styrene butadiene styrene block copolymer
- SEBS Styrene ethylene butylene styrene block copolymer
- SEPS propylene styrene block copolymer
- thermoplastic resin composition containing the above components (g)
- Thermoplastic resin composition is not particularly limited, for example, polyolefin resin, aromatic Bulle compound resin, Polysalt vinyl resin, Polycarbonate resin, Polyphenylene ether resin, Poly (meth) acrylate resin, Poly (meth) acrylamide resin, Poly (meth) acrylonitrile resin, polyamide resin, polyester resin, polyacetal resin, polysulfone resin, polyarylene sulfide resin, fluorine resin, polyimide resin, thermoplastic urethane
- thermoplastic elastomers such as thermoplastic resins, styrene thermoplastic elastomers, olefin thermoplastic elastomers, and salty bulle thermoplastic elastomers It can be mentioned.
- thermoplastic resin composition containing the components (a) to (f), polyolefin resin, aromatic vinyl compound resin Polysulfuric resin, styrenic thermoplastic elastomer, olefinic thermoplastic elastomer, salty thermoplastic resin, polyolefin resin and polysalt I prefer vinyl sebum.
- Polyolefin resins include ethylene or ⁇ -olefin homopolymers, random copolymers, block copolymers and mixtures thereof, or ethylenic ⁇ -olefin and other unsaturated compounds. Random copolymers with monomers, block copolymers, graft copolymers, modified products of these polymers, and the like can be used alone or in combination.
- polyethylene ethylene-propylene copolymer, ethylene-propylene non-conjugated diene copolymer, ethylene-butene copolymer, ethylene monohexene copolymer, ethylene otaten copolymer, ethylene acetate butyl copolymer, ethylene Bull alcohol copolymer, ethylene ethyl (meth) acrylate copolymer, polyethylene polymer such as chlorinated polyethylene, polypropylene, propylene ethylene random copolymer, propylene-butene 1 random copolymer, propylene monohexene 1 Random copolymer, propylene 4-methyl- 1 pentene random copolymer, propylene ethylene block copolymer, polypropylene heavy polymer such as chlorinated polypropylene Polymers, polybutenes, polyisobutylenes, polymethylpentenes, (co) polymers of cyclic olefins, oxidation
- an aromatic vinyl-conjugate-based thermoplastic elastomer such as styrene butadiene styrene block copolymer (SBS), styrene isoprene-styrene block copolymer (SIS), or the like.
- SBS styrene butadiene styrene block copolymer
- SIS styrene isoprene-styrene block copolymer
- SEBS styrene-ethylene butylene styrene block copolymer
- SEPS styrene ethylene propylene styrene block copolymer
- the multilayer molded body of the present invention has a configuration in which a thermoplastic resin composition containing components (a) to (e) and (g) a thermoplastic resin composition are formed in layers. If it is a thing, it will not restrict
- first resin layer made of a thermoplastic resin composition containing components (a) to (e) and (g) layers made of a thermoplastic resin (second resin layer) were alternately laminated. It may be a multilayer molded article !, and a molded article composed of a layer (first resin layer) made of a thermoplastic resin composition containing at least one component (a) to (e) and at least one (g )
- a molded body part composed of a layer made of thermoplastic resin (second resin layer) may be integrally formed by multilayer molding to constitute a molded body.
- thermoplastic resin composition layer containing the components (a) to (e) is the core layer, and (g) the thermoplastic resin layer is A molded body having a sandwich structure in which a skin layer is formed is preferable.
- thermoplastic composition containing the components (a) to (e) and the component (g) By extruding the resin containing the components (a) to (e) and the component (g) with a multilayer extruder, for example, a molded body having a two-layer or three-layer structure can be obtained. it can. Moreover, it is good also as a molded object which used the other resin composition further as needed. In addition, by changing the die shape to a slit die or a tube die, it is possible to obtain a multilayer sheet-like molded body or a tube-shaped molded body. [0075]
- the volume ratio of the thermoplastic composition containing the components (a) to (e) constituting the multilayer molded body of the present invention and (g) the thermoplastic resin composition may be arbitrary!
- thermoplastic composition containing the components (a) to (e) preferably occupies 5 to 95% by volume, more preferably 10 to 80% by volume, based on the multilayer molded article.
- the content is 5% by volume or less, the vibration damping property of the obtained multilayer molded product is insufficient, and when the content is 95% by volume or more, the rigidity of the obtained multilayer molded product is lowered.
- the multilayer molded body can be produced by a conventional multilayer molding method, for example, a core rotation method, a core back method, a core slide method, or the like, and a DSI (die slide molding method) or a method in which a mold is slid or rotated.
- a conventional multilayer molding method for example, a core rotation method, a core back method, a core slide method, or the like, and a DSI (die slide molding method) or a method in which a mold is slid or rotated.
- DRI Die Rotary Molding
- the molding temperature of the resin composition containing the components (a) to (e) is 150 to 230 from the viewpoint of moldability, fluidity and thermal stability. More preferably, the temperature is 170 to 210 ° C.
- the optimum condition is selected depending on the type of resin. For example, in the case of polyolefin, the same conditions as the molding conditions of the resin composition containing the components (a) to (e) can be selected.
- the multilayer molded article of the present invention obtained as described above is excellent in vibration damping properties, and further excellent in flexibility, fluidity, gas noria properties, and appearance. For this reason, it can be used suitably for automobiles, office automation equipment, home electrical appliances, construction machines, damping materials for building materials, and silencers.
- the melt viscosity of the resin composition was 200 ° C, the shear rate was 12.16, 1216sec—1, the die radius was 1mm, and the melt viscosity (unit: Toyo Seiki Seisakusho Co., Ltd.) was used. poise) was measured. [0083] (Specific gravity)
- the specific gravity of the resin composition was measured by the JIS K7100A method water substitution method.
- Hardness Z specific gravity was used as an index. The lower the number, the higher the flexibility.
- the dynamic viscoelastic properties are made into a sheet by hot press molding, and the obtained sheet is 40 mm X 5 mm X 2 mm according to JIS K-6 394 (Method for testing dynamic properties of vulcanized rubber and thermoplastic rubber).
- One test piece was cut out and used in a shear mode under the conditions of a frequency of 10 Hz and a strain of 0.05%.
- the apparatus used is a dynamic viscoelasticity measuring apparatus DVA-200 (manufactured by IT Measurement Control Co., Ltd.).
- thermoplastic resin polypropylene or polyvinyl chloride
- component (g) A 50 mm x 20 mm x 2 mm thick sheet of thermoplastic resin (polypropylene or polyvinyl chloride) of component (g) is laminated on the material of the present invention and pressed at 190 ° C (Shinfuji Co., Ltd.) After 5 minutes of preheating by Metal Industries, press was performed to 3mm thickness at 50kgZcm3 pressure. The state when the formed body was peeled by hand was evaluated.
- thermoplastic resin of the present invention is used in a lab plast mill (manufactured by Toyo Seiki Seisakusho Co., Ltd.) using a co-carni shaft screw and a slit die of 30 mm width and lm m thickness at a die head temperature of 180 ° C and 50 revolutions The surface property when extruding was evaluated.
- Component (a— 1) Block copolymer (SIBS1) (Production Example 1)
- Component (a-2) Block copolymer (SIBS2) (Production Example 2)
- Component (a-3) Block copolymer (SIBS3) (Production Example 3)
- Component (c) Hydrosilyl group-containing polysiloxane Polysiloxane represented by the following chemical formula
- a 2 L separable flask was fitted with a three-way cock, thermocouple, and stirring seal, and purged with nitrogen. After nitrogen substitution, nitrogen was flowed using a three-way cock. To this was added 785 ml of toluene and 265 ml of ethylcyclohexane using a syringe. After adding the solvent, the water content was measured with a Karl Fischer moisture system. After the measurement, it was cooled to about -70 ° C. 277 ml (2933 mmol) of isoprene monomer was added.
- a PIB was obtained.
- a polymer having a number average molecular weight (Mn) of 45,500, a weight average molecular weight of Z, a number average molecular weight (MwZMn) of 1.10, and a containing aryl group of 2.OZmol was obtained.
- thermoplastic resin composition 100 parts by weight of (a-1) as component (a), 50 parts by weight of (d-1) as component (d), and 20 parts by weight of (e-1) as component (e)
- a thermoplastic resin composition was obtained by kneading in a plast mill (manufactured by Toyo Seiki Seisakusho Co., Ltd.) at 160 ° C. and 50 rpm.
- the obtained thermoplastic resin composition could be easily formed into a sheet with a pressure press (manufactured by Shinfuji Metal Industry Co., Ltd.) at 160 ° C.
- the dynamic viscoelasticity, density, adhesion, and melt viscosity of the sheet thus obtained were measured according to the above methods. Table 1 shows the physical properties of each sheet.
- thermoplastic resin composition 100 parts by weight of (a 2) as component (a), 50 parts by weight of (d-1) as component (d), component (e) As a result, 20 parts by weight of (e-1) was blended, and a thermoplastic resin composition was produced in the same manner as in Example 1. Various physical properties were measured in the same manner as in Example 1. Table 1 shows the measurement results.
- thermoplastic resin composition As component (a), (a-2) is 100 parts by weight, as component (d) is (d-1) as 50 parts by weight, as component (e) is (e-1) as 20 parts by weight, as component (f) 10 parts by weight of (f-1) was blended, and a thermoplastic resin composition was prepared in the same manner as in Example 1. Various physical properties were measured in the same manner as in Example 1. Table 1 shows the physical properties.
- thermoplastic resin composition As component (a), (a-2) is 100 parts by weight, as component (d) is (d-1) as 50 parts by weight, as component (e) is (e-1) as 20 parts by weight, as component (f) 2 parts by weight of (f-2) was blended, a thermoplastic resin composition was prepared in the same manner as in Example 1, and various physical properties were measured in the same manner as in Example 1. Table 1 shows the measurement results.
- thermoplastic resin composition As component (a), (a-2) is 100 parts by weight, as component (d) is (d-1) as 50 parts by weight, as component (e) is (e-2) as 14 parts by weight, as component (f) 2 parts by weight of (f-2) was blended, a thermoplastic resin composition was prepared in the same manner as in Example 1, and various physical properties were measured in the same manner as in Example 1. Table 1 shows the measurement results.
- thermoplastic resin composition 100 parts by weight of (a-2) as component (a), 50 parts by weight of (d-1) as component (d), 5 parts by weight of (d-3), (e-2) as component (e) 14 parts by weight and 2 parts by weight of (f 2) as component (f) were prepared, and a thermoplastic resin composition was prepared in the same manner as in Example 1. Various physical properties were measured in the same manner as in Example 1. Went. Table 1 shows the measurement results.
- thermoplastic resin composition 100 parts by weight of (a-2) as component (a), 50 parts by weight of (d-1) as component (d), 10 parts by weight of (d-3), (e-2) as component (e) 14 parts by weight and 2 parts by weight of (f 2) as component (f) were prepared, and a thermoplastic resin composition was prepared in the same manner as in Example 1. Various physical properties were measured in the same manner as in Example 1. Went. Table 1 shows the measurement results.
- Example 8 100 parts by weight of (a-2) as component (a), 50 parts by weight of (d-1) as component (d), 5 parts by weight of (d-3), (e-2) as component (e) 7 parts by weight and 2 parts by weight of (f 2) as component (f) were prepared, and a thermoplastic resin composition was prepared in the same manner as in Example 1. Various physical properties were measured in the same manner as in Example 1. It was. Table 1 shows the measurement results.
- thermoplastic resin composition 100 parts by weight of (a 2) as component (a), 90 parts by weight of (d-1) as component (d), 5 parts by weight of (d-3), and (e-2) as component (e) 14 parts by weight and 2 parts by weight of (f 2) as component (f) were combined, and a thermoplastic resin composition was prepared in the same manner as in Example 1. Various physical properties were measured in the same manner as in Example 1. went. Table 1 shows the physical property measurement results.
- thermoplastic resin composition 100 parts by weight of (a 2) as component (a), 100 parts by weight of (d-2) as component (d), 5 parts by weight of (d-3), and (e-2) as component (e) 14 parts by weight and 2 parts by weight of (f 2) as component (f) were combined, and a thermoplastic resin composition was prepared in the same manner as in Example 1. Various physical properties were measured in the same manner as in Example 1. went. Table 1 shows the measurement results.
- thermoplastic resin composition 100 parts by weight of (a 2) as component (a), 150 parts by weight of (d-2) as component (d), 5 parts by weight of (d-3), and (e-2) as component (e) 14 parts by weight and 2 parts by weight of (f 2) as component (f) were combined, and a thermoplastic resin composition was prepared in the same manner as in Example 1. Various physical properties were measured in the same manner as in Example 1. went. Table 1 shows the measurement results.
- thermoplastic resin composition 100 parts by weight of (a-2) as component (a), 600 parts by weight of (d-1) as component (d), 5 parts by weight of (d-3), (e-2) as component (e) 14 parts by weight and 2 parts by weight of (f 2) as component (f) were prepared, and a thermoplastic resin composition was prepared in the same manner as in Example 1. Various physical properties were measured in the same manner as in Example 1. Went. Table 1 shows the measurement results.
- Lab Plast Mill (Toyo Seiki Seisakusho Co., Ltd.) was formulated as component (a) by mixing (a-1) and component (b) in the proportions shown in Table 2 to a total of 40 g and setting to 170 ° C. Use for 3 minutes to melt and mix Kneaded, then 1.2 parts by weight of component (c) is added to 100 parts by weight of component (b), and 0.05 parts by weight of a crosslinking catalyst is added to 100 parts by weight of component (b). Then, the mixture was further melt-kneaded at 170 ° C until the torque value reached the maximum value, and dynamic crosslinking was performed. After showing the maximum value of torque, it was taken out after kneading for 5 minutes.
- the ratio of the composition obtained in Step 1, component (a-3), component (d-1), component (d-3), component (e-2), component (f-2) shown in Table 2 The mixture was blended to give a total of 40 g, melt-kneaded for 10 minutes using a laboplast mill (manufactured by Toyo Seiki Seisakusho) set at 170 ° C, and then taken out.
- the obtained thermoplastic resin composition could be easily formed into a sheet with a pressure press (manufactured by Kondo Metal Industry Co., Ltd.) at a heating temperature of 170 ° C.
- the hardness, dynamic viscoelasticity, density, adhesion, and melt viscosity of the obtained sheet were measured according to the above methods. Table 2 shows the physical property measurement results for each sheet.
- thermoplastic resin composition was prepared in the same manner as in Example 13 and various physical properties were measured in the same manner as in Example 1. Table 2 shows the measurement results.
- thermoplastic resin composition was prepared in the same manner as in Example 13 and the physical properties were measured in the same manner as in Example 1. Table 2 shows the measurement results.
- Example 17 The composition obtained in step 1, component (a 3), component (d—2), component (d—3), component (e 2), and component (f—2) are combined in the proportions shown in Table 2.
- a thermoplastic resin composition was prepared in the same manner as in Example 13 and the physical properties were measured in the same manner as in Example 1. Table 2 shows the measurement results.
- step 1 component (a 3), component (d-2), component (d-3), component (e2), and component (f-2) are combined in the proportions shown in Table 2.
- a thermoplastic resin composition was prepared in the same manner as in Example 13 and the physical properties were measured in the same manner as in Example 1. Table 2 shows the measurement results.
- thermoplastic resin composition was prepared in the same manner as in Example 13, and the physical properties were measured in the same manner as in Example 1. Table 2 shows the physical property measurement results.
- step 1 component (a 3), component (d-2), component (e 2), and component (f 2) are blended in the proportions shown in Table 2 to a total of 40 g.
- a thermoplastic resin composition was prepared in the same manner as in Example 13, and the physical properties were measured in the same manner. Table 2 shows the physical property measurement results.
- thermoplastic resin composition was prepared in the same manner as in Example 1, and the physical properties were measured in the same manner as in Example 1. It was. Table 3 shows the measurement results.
- thermoplastic resin composition was prepared in the same manner as in Example 1, and the physical properties were measured in the same manner as in Example 1. It was. Table 3 shows the physical property measurement results.
- thermoplastic resin composition 100 parts by weight of (a-2) as component (a) and 20 parts by weight of (e-1) as component (e)
- a thermoplastic resin composition was prepared in the same manner as in Example 1, and the physical properties were measured in the same manner. Table 3 shows the measurement results.
- thermoplastic resin composition 100 parts by weight of (a-1) as component (a) and 50 parts by weight of (d-2) as component (d) were blended to prepare a thermoplastic resin composition in the same manner as in Example 1.
- the physical properties were measured. Table 3 shows the measurement results.
- thermoplastic resin composition 100 parts by weight of (a-1) as component (a) and 20 parts by weight of (e-2) as component (e) were mixed to prepare a thermoplastic resin composition in the same manner as in Example 1.
- the physical properties were measured.
- Table 3 shows the measurement results.
- Example 2 it can be seen that the melt viscosity can be controlled while maintaining the same vibration damping property, specific gravity and hardness depending on the type of component (a) used.
- Examples 13 to 20 contain a composition obtained by crosslinking a alkenyl-terminated isobutylene polymer as component (b) with a hydrosilyl group-containing polysiloxane as component (c). Compared to 12, it shows a high melt viscosity, indicating that the workability is greatly improved without impairing flexibility, sound insulation and vibration control. Further, in Examples 13 to 15, the force by which the melt viscosity is greatly different depending on the content of the Step 1 composition, although it is substantially the same tan ⁇ peak temperature.
- Step 1 composition the content of the Step 1 composition is controlled. This indicates that the melt viscosity can be controlled while maintaining the peak temperature of tan ⁇ . At this time, the hardness and specific gravity 'dynamic viscoelasticity • adhesiveness' extruded surface properties were almost unaffected.
- Examples 13 to 20 containing a composition obtained by crosslinking the component (b) with the component (c) the value of (hardness) / (specific gravity) is 28.1 to 41. It is shown that the flexibility can be improved by including a composition in which component (b) is cross-linked with component (c) and 0 is included. When a filler with a high specific gravity is added, the hardness increases as the specific gravity increases.
- the composition of (b) having a composition obtained by crosslinking the component (c) with the component (c) shows that the composition can be obtained with a high flexibility and a small effect on the increase in hardness due to the increase in specific gravity.
- Comparative Examples 1, 2, and 4 to which component (e) is not added are not suitable for multilayer molding having poor adhesion.
- Comparative Example 7 in which component (a) was not blended, the thermoplasticity was lost and molding was impossible.
- Comparative Example 3 containing no component (d), the specific gravity is less than 1, and sufficient sound insulation is not obtained.
- thermoplastic resin of the present invention is a composition having a high vibration damping property, adhesiveness, flexibility and sufficient sound insulation properties, and also has a melt viscosity. It was shown that it can be appropriately controlled according to each molding method and can be suitably used for various molding methods.
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Abstract
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101928423A (zh) * | 2009-06-18 | 2010-12-29 | 日东电工株式会社 | 高温用减振组合物、高温用减振基材、其使用方法、高温用减振片及其使用方法 |
| JP2011037956A (ja) * | 2009-08-07 | 2011-02-24 | Mitsui Chemicals Tohcello Inc | 樹脂組成物およびこれから得られる表面保護フィルム |
| JP2011080051A (ja) * | 2009-09-14 | 2011-04-21 | Sekisui Chem Co Ltd | エチレン−酢酸ビニル系樹脂組成物 |
| JP2012067204A (ja) * | 2010-09-24 | 2012-04-05 | Sekisui Chem Co Ltd | ビニル系樹脂組成物成形体及び耐燃焼性シート |
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| JPH10151679A (ja) * | 1996-11-25 | 1998-06-09 | Kanegafuchi Chem Ind Co Ltd | シート状硬化物 |
| JP2001011264A (ja) * | 1999-06-29 | 2001-01-16 | Kanegafuchi Chem Ind Co Ltd | 導電性組成物およびそれから得られる導電性ローラー |
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- 2005-10-13 WO PCT/JP2005/018851 patent/WO2006046408A1/ja not_active Ceased
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| JPH10151679A (ja) * | 1996-11-25 | 1998-06-09 | Kanegafuchi Chem Ind Co Ltd | シート状硬化物 |
| JP2001011264A (ja) * | 1999-06-29 | 2001-01-16 | Kanegafuchi Chem Ind Co Ltd | 導電性組成物およびそれから得られる導電性ローラー |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101928423A (zh) * | 2009-06-18 | 2010-12-29 | 日东电工株式会社 | 高温用减振组合物、高温用减振基材、其使用方法、高温用减振片及其使用方法 |
| CN101928423B (zh) * | 2009-06-18 | 2014-06-25 | 日东电工株式会社 | 高温用减振组合物、高温用减振基材、其使用方法、高温用减振片及其使用方法 |
| JP2011037956A (ja) * | 2009-08-07 | 2011-02-24 | Mitsui Chemicals Tohcello Inc | 樹脂組成物およびこれから得られる表面保護フィルム |
| JP2011080051A (ja) * | 2009-09-14 | 2011-04-21 | Sekisui Chem Co Ltd | エチレン−酢酸ビニル系樹脂組成物 |
| JP2012067204A (ja) * | 2010-09-24 | 2012-04-05 | Sekisui Chem Co Ltd | ビニル系樹脂組成物成形体及び耐燃焼性シート |
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