WO2008018445A1 - Copolymères séquencés hydrogénés et compositions de réticulation les contenant - Google Patents
Copolymères séquencés hydrogénés et compositions de réticulation les contenant Download PDFInfo
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- WO2008018445A1 WO2008018445A1 PCT/JP2007/065420 JP2007065420W WO2008018445A1 WO 2008018445 A1 WO2008018445 A1 WO 2008018445A1 JP 2007065420 W JP2007065420 W JP 2007065420W WO 2008018445 A1 WO2008018445 A1 WO 2008018445A1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F297/00—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
- C08F297/02—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type
- C08F297/04—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type polymerising vinyl aromatic monomers and conjugated dienes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/04—Reduction, e.g. hydrogenation
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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
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L51/006—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to block copolymers containing at least one sequence of polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds
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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
- C08L53/025—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes modified
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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
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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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
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
Definitions
- the present invention can be used extremely effectively for various molded products such as automobile parts, civil engineering / architecture applications, home appliance parts, sports equipment, miscellaneous goods, stationery, and a wide variety of other applications.
- the present invention relates to a copolymer and a composition for dynamic crosslinking thereof.
- a hydrogenated block copolymer having a styrene polymer block and a gen polymer block has rubber elasticity at room temperature and is plasticized and melted by heating.
- the molding process can be performed easily, and the balance between strength and flexibility and mechanical properties is excellent, so a wide range of automotive parts, home appliances, wire coverings, medical parts, miscellaneous goods, footwear, etc.! It has been used in the field, and in recent years, it has been expected to be an alternative material for chlorinated resin due to environmental problems.
- these styrene-based hydrogenated block copolymers have insufficient rubber elasticity at high temperatures, for example, 100 ° C. or higher.
- These styrene-based hydrogenated block copolymers may have a problem of oil resistance depending on their intended use.
- Patent Document 1 Patent Document 2, Patent Document 3, etc.
- an elastomeric composition in which a hydrogenated block copolymer is blended with a hydrocarbon oil, an olefin-based polymer, or the like is used as an organic peroxide or the like. It has been proposed to improve the compression set at high temperatures of the elastomeric composition obtained by crosslinking using a crosslinking agent and a crosslinking aid.
- partially hydrogenated block copolymer having a residual unsaturated group of a block copolymer (hereinafter, partially hydrogenated block copolymer) in which a conjugated gen moiety at the center of the molecular chain is partially hydrogenated is vulcanized.
- the elastomeric composition containing the hydrogenated block copolymer described above is Although it has recyclability, which is a characteristic of plastic elastomers, rubber elasticity is insufficient because the soft segment consisting of the conjugated diene monomer block of the hydrogenated block copolymer is mainly crosslinked. Yes, compression set at high temperatures similar to vulcanized rubber has not been achieved. In addition, when the degree of crosslinking is increased to improve rubber elasticity, the resulting composition has a small elongation and is preferred, and the product cannot be obtained.
- Patent Document 4 proposes a hydrogenated block copolymer having a small block containing an unsaturated group and having a degree of polymerization of 100 or less at the molecular chain terminal.
- a hydrogenated block copolymer composition having a small block // styrene / isoprene random copolymer block at the molecular end is shown in the Examples.
- the cohesive force of the styrene block is lowered, and as a result, the compression set is often increased.
- Patent Document 1 Japanese Patent Application Laid-Open No. 59-131613
- Patent Document 2 JP-A-8-225713
- Patent Document 3 Japanese Patent Laid-Open No. 2000-109640
- Patent Document 4 Japanese Patent Publication No. 7-116271
- the present invention aims to provide a hydrogenated block copolymer excellent in productivity, processability, and crosslinking reactivity, and a composition for crosslinking the hydrogenated block copolymer, more specifically. , Oil resistance, compression set at high temperature, balance of elongation at break, low rebound resilience, abrasion resistance, surface feel, hydrogenated block with good moldability and soft and good rubber properties
- An object is to provide a copolymer and a crosslinking composition.
- the present invention is as follows. 1. mainly consisting of a bulu aromatic monomer unit, each of which may be the same or different, and which is mainly composed of at least two polymer blocks A and a conjugated diene monomer unit having 5 or more carbon atoms, At least two polymer blocks B, each of which may be the same or different, and at least one polymer, each of which may be the same or different, mainly comprising a conjugation monomer unit having 4 or more carbon atoms.
- Block C and / or Conjugation monomer unit (d-1) having 4 or more carbon atoms and bull aromatic monomer unit (d-2) are the same or different.
- the hydrogenation rate of the bond is 50% or less
- the hydrogenation rate of the olefinic unsaturated double bond of the polymer blocks C and D is 80% or more, and the content of the butyl aromatic monomer unit in the block copolymer is 10% by weight to 85%.
- A is 10% to 70% by weight
- B is 1% to 15% by weight
- C is 0% to 85% by weight.
- D is 0 wt% to 85 wt%
- C + D is 25 wt% to 85 wt%
- the sum of A + B + C + D is 100 wt%
- the weight average molecular weight of A The above hydrogenated block copolymer, wherein M is M ⁇ 20,000 / (content% of l + (d-2) / 20).
- the hydrogenated block copolymer according to 1. obtained by hydrogenating a block copolymer containing 2 to 80% by weight of the random copolymer block D.
- the hydrogenated block copolymer according to 1. or 2 obtained by hydrogenating a block copolymer containing 2 to 80% by weight of the polymer block C.
- the ratio of the bull aromatic monomer units (d-2) contained in the random copolymer D is 30% by weight or more with respect to 0100% by weight of the random copolymer.
- the hydrogenated block copolymer according to any one of the above.
- the conjugate block of the polymer block B is isoprene, any one of 1. to 6.
- a compound containing a titanocene compound as a hydrogenation catalyst wherein the conjugated gen of the polymer block B is isoprene, the conjugated gen of the polymer block C and the polymer block D is 1,3-butadiene. And 90% or more of 1,3-butadiene in the polymer blocks C and D is hydrogenated, and 90% or more of the 1,4 bonds in the isoprene of the polymer block B.
- the terminal block portion of the hydrogenated block copolymer comprises the polymer block A or the polymer block B, and has the following general formula:
- the hydrogenated block copolymer according to any one of 1. to 1; 1. which is a linear block copolymer or a radial block copolymer represented by the formula: (In the above formula, H represents a block copolymer of A—B or BA, or a random copolymer of A / B, and H may be the same or different.
- S is a C single block or D single block Or a block copolymer of C—D or D—C, which may contain up to 10% by weight of B block, and S may be the same or different, and n and k are An integer of 1 to 5, m is an integer of 2 to 6.
- X represents a residue of a coupling agent or a residue of a polyfunctional initiator, and when there are a plurality of them in the copolymer, the polymer block
- Each of A to D may have the same or different structure such as molecular weight and composition. 13.
- the weight average molecular weight in terms of polystyrene of the hydrogenated block copolymer is 3 to 2 million; The hydrogenated block copolymer according to any one of. To 12.
- the hydrogenated block copolymer or functionalized hydrogenated block copolymer according to any one of 1 to 14 to 100 parts by weight of thermoplastic resin and 10 to 300 parts by weight of a crosslinking agent.
- a composition for dynamic crosslinking containing 0.0 to 30 parts by weight.
- a dynamic crosslinked product obtained by melt-kneading the composition for dynamic crosslinking according to 15. at a high temperature.
- a crosslinked foaming composition comprising the hydrogenated block copolymer or functionalized hydrogenated block copolymer according to any one of 1. to 14., a crosslinking agent and a foaming agent.
- a crosslinked foam obtained by crosslinking and foaming the composition for crosslinking and foaming according to 17 ..
- the functionalized hydrogenated block copolymer (i) according to 14., a polar thermoplastic resin containing a functional group capable of reacting with the (i), and / or a functional group-containing rubbery polymer A functionalized hydrogenated block copolymer resin composition having a blending ratio (weight ratio) of component (ii) to component (mouth) of 1/99 to 99/1.
- the component (mouth) is at least one polar thermoplastic resin selected from polyester resins, polyamide resins, polycarbonate resins, polyurethane resins, polyphenylene ether resins, and polyoxymethylene resins. 19.
- the hydrogenated block copolymer of the present invention has good thermal stability and is excellent in productivity, processability, and crosslinking reactivity.
- the composition for dynamic crosslinking of the hydrogenated block copolymer of the present invention has a good balance of oil resistance, compression set at high temperature, elongation at break, good moldability, and flexible and good rubber properties.
- each monomer unit constituting the polymer is in accordance with the naming of the monomer derived from the monomer unit.
- “bulu aromatic monomer unit” means a structural unit of a polymer resulting from the polymerization of a monomeric butyl aromatic compound, the structure of which is a substituted ethylene group derived from a substituted bur group. It is a molecular structure in which the two carbons of the group are binding sites.
- conjugation monomer unit means a structural unit of a polymer generated as a result of polymerizing a monomer, conjugation, and its structure is the structure of the olefins derived from the conjugated gene monomer. It is a molecular structure in which two carbons are binding sites.
- the hydrogenated block copolymer of the present invention is obtained by hydrogenating a non-hydrogenated block copolymer containing a butyl aromatic monomer unit and two or more kinds of conjugation monomer units. It is.
- the hydrogenated block copolymer of the present invention comprises a polymer block A mainly composed of a bu aromatic monomer unit and a polymer block mainly composed of a conjugation monomer unit having 5 or more carbon atoms.
- a polymer block C mainly composed of B and a conjugated diene monomer unit having 4 or more carbon atoms and / or a conjugated diene monomer unit having 4 or more carbon atoms and a bull aromatic monomer unit.
- Including at least two polymer blocks A, at least two polymer blocks B, at least one polymer block C and / or a random copolymer block D is a hydrogenated block copolymer obtained by hydrogenating a non-hydrogenated block copolymer.
- the plurality of polymer blocks A, B, C, and D may be the same or different.
- each may be the same or different.
- linear block copolymer or radial block copolymer represented by these.
- H represents a block copolymer of A—B or B—A, or a random copolymer of A / B, and H may be the same or different.
- S is a C single block, or D Single blow Or a block copolymer of CD or DC, and may contain up to 10% by weight of polymer block B. Furthermore, S may be the same or different.
- N and k are integers from 1 to 5, and m is an integer from 2 to 6.
- X represents a residue of a coupling agent or a residue of a polyfunctional initiator.
- Each of the polymer blocks A to D present in the copolymer may have the same or different structures such as molecular weight and composition. ).
- a linear block copolymer represented by H—S—H is more preferable in that it has a soft and good rubber characteristic with little compression set.
- the hydrogenated block copolymer of the present invention has a polymer block A mainly composed of a bull aromatic monomer unit at both ends, and a conjugated diene having 5 or more carbon atoms therein.
- the hydrogenated block copolymer is obtained by hydrogenating a non-hydrogenated block copolymer of the type containing polymer block B mainly composed of monomer units, the microphase separation becomes clearer.
- the cohesive strength of the polymer block A mainly composed of bully aromatic monomer units becomes stronger. As a result, the stickiness and compression set of the hydrogenated block copolymer are improved.
- the hydrogenated block copolymer of the present invention comprises 3 or more polymer blocks B mainly composed of a conjugated diene monomer unit having 5 or more carbon atoms, and at least one polymer block.
- a hydrogenated block copolymer obtained by hydrogenating a non-hydrogenated block copolymer of the type containing B in the molecular chain improves oil resistance and compression set in the crosslinked product.
- two or more types of monomer units may be uniformly distributed or non-uniformly (for example, tapered).
- the term "mainly" used in the present invention means that monomer units are contained in a block in an amount of 60% by weight or more.
- the block contains 60% by weight or more of A (monomer) units.
- the weight ratio of the polymer block A mainly composed of a buluene monomer unit and the polymer block B mainly composed of a conjugation monomer unit contained in the polymer block H is the polymer block A. Is preferably 75 to 97% by weight, and polymer block B is 3 to 25% by weight. Polymer block A is 75% by weight or more, that is, polymer block B is 25% by weight or less in terms of stickiness of hydrogenated block copolymer, polymer fusion (blocking), productivity, and compression set. It is preferable.
- the number of unsaturated groups in the hydrogenated block copolymer It is preferable that the polymer block A is 97% by weight or less, that is, the polymer block B is 3% by weight or more because of high crosslinking reactivity. More preferred! /, The ratio of polymer block B (B / H) is 5 to 23% by weight. More preferably, it is 7 to 20% by weight. Further, H is more preferably a complete block copolymer of A—B or B—A in terms of compression set.
- the content of the polymer block A in the hydrogenated block copolymer in the present invention is preferably 10 wt% to 70 wt% with respect to the total weight of the hydrogenated block copolymer.
- the polymer block A is preferably 70% by weight or less.
- the polymer block A is preferably 10% by weight or more from the viewpoints of handleability (non-tackiness), productivity, and processability.
- the range of 10% to 60% by weight is more preferred.
- the range of 12% to 40% by weight is more preferred.
- the weight average molecular weight M of the polymer block A measured by gel permeation chromatography (GPC) and converted to polystyrene is M ⁇ 20,000 / [1 + ⁇ (d— 2) Content% ⁇ / 20] is preferred.
- the content% of (d-2) means the content of the bull aromatic monomer unit in the random copolymer block D relative to the content of the bull aromatic monomer unit in the hydrogenated block copolymer ( % By weight).
- the random copolymer block D when the random copolymer block D is contained in the hydrogenated block copolymer, the content of the bull aromatic monomer unit required for the polymer block A is determined by the random copolymer block.
- the weight is sufficient to satisfy at least M ⁇ 20,000 / [l + ⁇ (d—2) content% ⁇ / 20].
- An average molecular weight M is required for polymer block A.
- the polymer block A contains the butyl aromatic monomer unit required for the entire hydrogenated block copolymer.
- the polymer block A requires a weight average molecular weight of 20,000 or more from the viewpoint of balance of various physical properties.
- the content of the polymer block B in the hydrogenated block copolymer in the present invention is 1% by weight to 15% by weight with respect to the total weight of the hydrogenated block copolymer.
- the conjugation monomer unit of polymer block B is characterized by leaving most of the unsaturated groups. Therefore, the polymer block B is preferably 15% by weight or less from the viewpoint of oxidation stability, thermal stability, productivity, and processability with respect to the total weight of the hydrogenated block copolymer.
- 1% by weight or more is preferable from the viewpoint of crosslinking reactivity.
- the range of 2 wt% to 10 wt% is more preferable, and the range of 3 wt% to 7 wt% is more preferable.
- the polymer block C of the hydrogenated block copolymer of the present invention is a polymer block mainly composed of a conjugation monomer unit having 4 or more carbon atoms, which may be random or may be a polymer block.
- the conjugation monomer units in C may be distributed uniformly or non-uniformly (for example, tapered). A plurality of uniformly distributed portions and / or non-uniformly distributed portions may coexist in the polymer block C.
- the polymer block C is more preferably a complete block copolymer of 4 or more conjugation monomer units in terms of compression set.
- the amount of bull bonds in the total conjugate of the polymer block C in the hydrogenated block copolymer is preferably 15% to 80%, and the crystallinity is preferably 10% or more! /.
- the random copolymer block D of the present invention mainly comprises a conjugated diene monomer unit (d-1) having 4 or more carbon atoms and a bull aromatic monomer unit (d-2). It is a random copolymer block.
- the proportion of the bull aromatic monomer units (d-2) contained in the random copolymer of polymer block D is preferably 50% by weight or more in terms of wear resistance, preferably 30% by weight or more.
- the amount of bull bonds in the total conjugate gen of polymer block D in the hydrogenated block copolymer is preferably 10% to 50%! /.
- the polymer block C and the random copolymer block D in the hydrogenated block copolymer of the present invention are the polymer block C and the random copolymer block compared to the hydrogenated block copolymer. Both D are preferably 0 to 85% by weight. More preferably, the polymer block C and / or the random copolymer block D is 2 to 80% by weight and the content of the polymer block C + random copolymer weight in terms of productivity, processability, etc. The sum of the contents of the combined block D is preferably 25 to 85% by weight.
- the content of the butyl aromatic monomer unit in the hydrogenated block copolymer of the present invention is preferably in the range of 10 wt% to 85 wt%, more preferably in the range of 20 wt% to 70 wt%.
- the hydrogenated block copolymer having a butyl aromatic monomer unit bond amount in the range of 20% to 40% by weight has excellent balance of oil resistance, compression set at high temperature, and elongation at break.
- hydrogenated block copolymers having a butyl aromatic monomer unit bond amount in the range of 40 wt% to 70 wt% have the characteristics of low rebound resilience, wear resistance, and surface feel.
- the structure of the conjugation monomer unit portion in the non-hydrogenated block copolymer is determined by the use of a polar compound or the like described later.
- the 1,2-bule bond content is generally 5 to 90% by weight, and when isoprene is used as the conjugate, 3 , 4-Bule bond content is generally 3-80% by weight.
- the 1,2-bule bond content is preferably 10 to 80% by weight, more preferably 25 to 75% by weight.
- the 3,4-bule bond content is preferably 5 to 70% by weight.
- the conjugate conjugate is a diolefin having a pair of conjugated double bonds
- examples of the conjugate conjugate contained in the polymer block B include isoprene, 2,3 dimethylenobutadiene, 2methyl-1 , 3 Pentagene, Minoresene, 2 Methyl-1, 3 Pentagen, 3 Methyl-1, 3 Pentagen, 4-Methyl-1, 3 Pentagen, 2 Phenylenole 1, 3 Butadiene, 2 Phenylenole 1, 3 Pentagen, 3 Phenonole 1, 3 Pentagen, 2 , 3 Dimethyl-1,3 Pentagene, 4-Methyl-1,3 Pentagen, 2 Hexilou 1,3 Butadiene, 3-Methyl-1,3 Hexagen, 2 Monobenzyl 1,3 Butadiene, 2-P Tolyl 1,3 Butadiene Alternatively, one or more of these can be used, and isoprene is preferred. Examples of the conjugated gen included in
- the polymer block C is preferably a co-gen single block in view of the compression set that can be used and 1,3-butadiene is preferred.
- the number of carbon atoms of the conjugated chain used in the polymer blocks B, C, and D is 15 or less.
- Bull aromatic hydrocarbons For example, one or more of styrene, o-methylstyrene, p-methylstyrene, p-tert-butylstyrene, 1,3-dimethylstyrene, ⁇ -methylstyrene, urnaphthalene, buranthracene, etc. Styrene is preferred.
- the remaining components other than the “main component” contained in the polymer block of the hydrogenated block copolymer of the present invention correspond to all monomer species having anionic polymerizability.
- the hydrogenation rate of the double bond of the conjugation monomer unit which is the olefinic unsaturated double bond contained in the polymer block ⁇ of the hydrogenated block copolymer of the present invention is a point of crosslinking reactivity. Is less than 50%.
- the hydrogenation rate is preferably 30% or less, more preferably 10% or less, and more preferably 5% or less.
- 90% or more of 1, 4 — bonds are hydrogenated. It is preferred that the remaining, and 50% of the 3,4-bonds are not hydrogenated.
- the hydrogenation rate of the double bond of the conjugated diene monomer unit which is an olefinic unsaturated double bond contained in the polymer blocks C and D, is in terms of oxidation stability, thermal stability, and elongation at break. It is over 80%.
- the hydrogenation rate is preferably 85% or more, more preferably 90% or more, and further preferably 95% or more.
- the polymer blocks C and D may be constructed by copolymerization of alkylenes, but it is desirable from the viewpoint of productivity to hydrogenate polyconjugate.
- the content of the butyl aromatic monomer unit in the hydrogenated block copolymer block can be determined using an ultraviolet spectrophotometer or the like.
- the conjugation monomer unit content, the bull bond content based on the conjugation monomer unit, and the hydrogenation rate can be determined by using a nuclear magnetic resonance apparatus (NMR).
- NMR nuclear magnetic resonance apparatus
- the molecular weight of the homopolymer block of a bully aromatic monomer is determined by the method of oxidative degradation with ditertiary butinohydroperoxide using osmium tetroxide as a catalyst (I. M. KOLTHOFF, et-al., J. P olym. Sci. 1, 429 (1946)).
- the hydrogenated block copolymer of the present invention was measured using GPC and measured in terms of polystyrene.
- the weight average molecular weight is preferably 30,000 to 2 million in terms of the balance of productivity, workability, mechanical strength, and compression set. More preferably, it is 50,000 to 500,000, and more preferably 80,000 to 300,000.
- the molecular weight distribution (Mw / Mn) (ratio of the weight average molecular weight (Mw) to the number average molecular weight (Mn)) is preferably 10 or less in view of the balance between workability and mechanical strength. Preferably it is 1.0;! ⁇ 5, more preferably 1.01 ⁇ 2.
- the weight average molecular weight referred to in the present invention is measured by gel permeation chromatography (GPC), and the molecular weight of the peak of the mouthmatogram is a calibration curve obtained from the measurement of commercially available standard polystyrene (the peak of standard polystyrene). The weight average molecular weight was determined using the molecular weight).
- the molecular weight distribution of the hydrogenated block copolymer can be determined by the force S obtained from the GPC measurement.
- the block copolymer can be produced by a known method, for example, Japanese Patent Publication No. 36-19286, Japanese Patent Publication No. 43-17979, Japanese Patent Publication No. 46-32415, Japanese Patent Publication No. 49-3. No. 6957, JP-B 48-2423, JP-B 48-4106, JP-B 56-2 8925, JP-B 51-49567, JP-A 59-166518, JP-A 6 The method described in 0-186577 etc. is mentioned.
- the block copolymer before hydrogenation is obtained, for example, by living anion polymerization using an initiator such as an organic alkali metal compound in a hydrocarbon solvent.
- a hydrocarbon solvent include aliphatic hydrocarbons such as butane, pentane, hexane, isopentane, heptane, octane, and isooctane, and alicyclic rings such as cyclopentane, methylcyclopentane, cyclohexane, methylcyclohexane, and ethylcyclohexane.
- aromatic hydrocarbons such as benzene, toluene, ethylbenzene, and xylene can be used. These may be used alone or in combination of two or more.
- an aliphatic hydrocarbon alkali metal compound an aromatic hydrocarbon alkali metal compound, which are generally known to have anion polymerization activity with respect to a conjugated diene compound and a bulu aromatic compound.
- An organic amino alkali metal compound or the like is used, and lithium, sodium, potassium and the like are preferable as the alkali metal.
- Particularly suitable organic alkali metal compounds are aliphatic and aromatic hydrocarbon compounds having 1 to 20 carbon atoms, a compound containing one lithium in one molecule, and a plurality of lithium in one molecule.
- organoalkali metal compounds disclosed in US Pat. No. 5,708,092, British Patent 2,241,239, US Pat. No. 5,527,753, etc. Can also be used.
- Organic alkali metal compounds may be added in one or more divided portions during the polymerization process in the production of block copolymers.
- a tertiary amine compound or an ether compound may be added as a regulator. It can.
- the tertiary amin compound is a compound of the general formula R1R2R3N (where Rl, R2 and R3 are hydrocarbon groups having 1 to 20 carbon atoms or a tertiary amino group).
- the ether compound is selected from linear ether compounds and cyclic ether compounds, and as the linear ether compound, dimethyl ether, jetyl ether, diphenyl ether, ethylene glycol dimethyl ether, ethylene glycol jet alcohol.
- Diethylene glycol ether compounds such as ethylene glyconoresininoate ethere, diethylene glycol ether compounds such as diethylene glycol dimethyl ether, diethylene glycol nole chinenoate ethere, and diethylene glycol One dialkyl ether compound.
- Cyclic ether compounds such as tetrahydrofuran, di-dioxane, 2,5-dimethyloxolane, 2,2,5,5-tetramethyloxolane, 2,2-bis (2-oxolaninole) propane, and furfuryl alcohol.
- Examples include alkyl ethers.
- the method of copolymerizing a conjugated diene compound and a bulu aromatic compound using an organic alkali metal compound as a polymerization initiator may be batch polymerization, continuous polymerization, or A combination of these may be used.
- the polymerization temperature is generally from 0 ° C to 180 ° C, preferably from 30 ° C to 150 ° C.
- the time required for the polymerization varies depending on the conditions. Usually, it is within 48 hours, particularly preferably 0.;! To 10 hours.
- the polymerization atmosphere is preferably an inert gas atmosphere such as nitrogen gas.
- the polymerization pressure is not particularly limited as long as it is carried out in a pressure range sufficient to maintain the monomer and solvent in a liquid phase within the above polymerization temperature range. Furthermore, in the polymerization system is impurities like to deactivate the catalyst and the living polymer, such as water, oxygen, certain necessary force s be noted as such carbon dioxide is not mixed.
- a coupling reaction can be performed by adding a necessary amount of a bifunctional or higher functional coupling agent at the end of the polymerization.
- the bifunctional coupling agent may be any known one and is not particularly limited. Examples thereof include dihalogen compounds such as dibromoethane, dichloroethane, dimethyldichlorosilane, and dimethyldibutyl silane, and acid esters such as methyl benzoate, ethyl benzoate, phenyl benzoate, and phthalates.
- any known trifunctional or higher polyfunctional coupling agent is not particularly limited.
- polyalcohols having 3 or more valences epoxidized soybean oil
- polyvalent epoxy compounds such as diglycidyl bisphenol A, general formula R SiX (where R is a hydrocarbon group having 1 to 20 carbon atoms, X is halogen, n represents an integer of 3 to 4), such as methylsilyl trichloride, t-butylsilyltrichloride, silicon tetrachloride, and bromides thereof.
- X is a halogen
- n is an integer of 3 to 4
- Polyalkoxysilane compounds such as tetramethoxysilane and tetraethoxysilane And dimethyl carbonate and jetyl carbonate.
- the hydrogenated block copolymer is obtained by hydrogenating the block copolymer obtained above. Since the present invention is characterized by comprising two or more types of conjugated gens, and one type of conjugated gen is selectively hydrogenated, for example, butadiene is selectively and substantially completely hydrogenated, and isoprene
- the hydrogenation catalyst is not particularly limited as long as it has selectivity such that has sufficient degree of unsaturation.
- homogeneous hydrogenation catalysts of organometallic compounds such as Ti, Ru, Rh and Zr can be mentioned.
- As a specific hydrogenation catalyst it is possible to use the hydrogenation catalyst described in JP-B-2-9041.
- Preferred examples of the hydrogenation catalyst include a mixture of a titanocene compound and / or a reducing organometallic compound.
- a titanocene compound a compound described in JP-A-8-109219 can be used. Specific examples include (substituted) cyclopentas such as biscyclopentagenyl titanium dichloride and monopentamethylcyclopentagenyl titanium trichloride. A compound having at least one ligand having a genyl skeleton, an indur skeleton or a fluorenyl skeleton.
- examples of the reducing organometallic compound include organic alkali metal compounds such as organolithium, organomagnesium compounds, organoaluminum compounds, organoboron compounds, and organozinc compounds.
- the hydrogenation reaction is generally performed in a temperature range of 0 to 200 ° C, more preferably 30 to 150 ° C. It is recommended that the hydrogen pressure used in the hydrogenation reaction is 0.;! To 15 MPa, preferably 0.2 to 10 MPa, and more preferably 0.3 to 5 MPa.
- the hydrogenation reaction time is usually 3 minutes to 10 hours, preferably 10 minutes to 5 hours.
- any of a batch process, a continuous process, or a combination thereof can be used.
- the catalyst residue can be removed if necessary, and the hydrogenated block copolymer can be separated from the solution.
- the method for separating the solvent include a method in which a polar solvent that is a poor solvent for the hydrogenated copolymer such as acetone or alcohol is added to the reaction solution after hydrogenation, and the polymer is precipitated and recovered. Can be added to hot water with stirring and the solvent removed by steam stripping, or the polymer solution can be heated directly to distill off the solvent.
- stabilizers such as various phenol stabilizers, phosphorus stabilizers, thio stabilizers, and amine stabilizers can be added.
- the hydrogenated block copolymer of the present invention can be functionalized by reacting the polymer block B containing residual unsaturated groups with a functional group-containing compound.
- functional groups include hydroxyl group, carbonyl group, thiocarbonyl group, acid halide group, acid anhydride group, force lpoxyl group, thiocarboxylate group, aldehyde group, thioaldehyde group, carboxylic ester group, amide group, sulfone.
- a hydroxyl group, a carbonyl group, an acid anhydride group, a carboxyl group, an epoxy group, a silanol group, and the like are preferable.
- the reaction method between the hydrogenated block copolymer and the functional group-containing compound is a method in which the hydrogenated block copolymer is heated and melted (100 to 300 ° C) to react the functional group-containing compound, Examples thereof include a method in which a hydrogenated block copolymer in a solution state or a slurry state is reacted with a functional group-containing compound at 0 ° C. to 150 ° C. using an organic solvent.
- epoxidation As a production method of epoxidation, there is a method described in JP-A-6-220124, etc., and hydrogenation block copolymers are epoxidized such as peracids and hydroperoxides. It can be reacted with an agent.
- peracids formic acid, peracetic acid, perbenzoic acid, trifluoroperacetic acid and the like are used. Of these, peracetic acid is preferred because it is industrially produced in large quantities, is available at low cost, and has high stability.
- Hydroperoxides include hydrogen peroxide, tertiary butyl hydroperoxide, cumene peroxide, and the like. In the epoxidation, a catalyst can be used as necessary.
- an alkali such as sodium carbonate or an acid such as sulfuric acid may be used as a catalyst.
- hydroperoxides a mixture of tungstic acid and caustic soda is combined with hydrogen peroxide, organic acid is combined with hydrogen peroxide, or molybdenum hexacarbonyl is combined with tertiary butyl hydroperoxide.
- a catalytic effect can be obtained.
- the epoxidation reaction is performed by adjusting the presence or absence of the solvent and the reaction temperature according to the equipment and physical properties of the raw materials. Depending on the reactivity of the epoxidizing agent used Thus, the reaction temperature range that can be used is determined.
- the reaction temperature is preferably 0 to 70 ° C. If it is lower than 0 ° C, the reaction is slow. If it is higher than 70 ° C, decomposition of peracetic acid occurs.
- a method for producing an acid anhydride group a method described in JP-A-62-79211 and the like can be mentioned, and a hydrogenated block copolymer can be converted into a, / 3-unsaturated It is possible to graft-modify with carboxylic acid or derivatives thereof, such as anhydrides, esterified products, amidated products and imidized products thereof.
- carboxylic acid or derivatives thereof such as anhydrides, esterified products, amidated products and imidized products thereof.
- unsaturated carboxylic acid or its derivatives include anhydrous maleic acid, maleic anhydride imide, acrylic acid or its ester, methacrylic acid or its ester, endo-cis bicyclo [2.2.1] 5 Examples include heptene 2, 3 dicarboxylic acid or its anhydride.
- the addition amount of a, / 3-unsaturated carboxylic acid or its derivative is generally 0.0;! to 20 parts by weight, preferably 0.0;! to 10 parts by weight
- the reaction temperature for graft modification is preferably 100 to 300 ° C, more preferably 120 to 280. C.
- the composition of the functionalized hydrogenated block copolymer of the present invention and a polar thermoplastic resin (hereinafter referred to as the functionalized hydrogenated block copolymer resin composition) has impact resistance, oil resistance, flexibility.
- the functionalized hydrogenated block copolymer resin composition comprises a functionalized hydrogenated block copolymer (component (ii)), a polar thermoplastic resin capable of reacting with the component (ii) and / or a functional group-containing rubbery polymer.
- the composition is preferably composed of the body (component (mouth)).
- component (mouth) polar thermoplastic resin examples include polyester resins, polyamide resins, polycarbonate resins, polyurethane resins, polyphenylene ether resins, and polyoxymethylene resins.
- the polymer examples include a functional group-containing polyethylene polymer, a functional group-containing polypropylene resin, and a functional group-containing polyester resin.
- component (i) is added to 100 parts by weight of component (i) and component (mouth) in total; -99 wt% is preferred, but when obtaining a composition that is soft and has good rubber properties, more preferably component (ii) is 60-99 wt%, more preferably 70-90 wt%. Further, when obtaining a composition having high rigidity and excellent impact resistance, the component (i) is more preferably;!
- the crosslinking composition of the present invention contains at least an unfunctionalized hydrogenated block copolymer containing residual unsaturated groups, or a functionalized hydrogenated block copolymer, a thermoplastic resin, and a crosslinking agent.
- the crosslinking composition can be crosslinked by, for example, conventional crosslinking, peroxide crosslinking, peroxide crosslinking, metal ion crosslinking, silane crosslinking and the like.
- the (functionalized) hydrogenated block copolymer of the present invention is mixed with a specific amount of a thermoplastic resin such as polyolefin and optionally a softening agent for rubber, and a crosslinking agent is further added to dynamically crosslink. Then, a thermoplastic elastomer composition that gives a molded article having excellent strain recovery at high temperatures and good rubber properties can be obtained.
- the composition for dynamic crosslinking according to the present invention preferably has a thermoplastic resin content of 10 to 300 parts by weight per 100 parts by weight of the (functionalized) hydrogenated block copolymer. More preferably, it is contained in a proportion of 20 to 100 parts by weight, more preferably 20 to 100 parts by weight.
- thermoplastic resin When the content of the thermoplastic resin is 10 to 300 parts by weight, the thermoplastic resin forms a continuous phase in the composition for dynamic crosslinking, and at least the polymer block B part is crosslinked in the continuous phase.
- the (functionalized) hydrogenated block copolymer has a dispersed morphology in fine particles, and is a thermoplastic elastomer composition with high strain recovery at high temperatures, flexible rubber properties, and good moldability. It is given to things.
- thermoplastic resin content is less than 10 parts by weight
- the resulting dynamic crosslinking composition has insufficient thermoplasticity, resulting in poor moldability, while the above-mentioned 300 parts by weight. And the flexibility of the resulting composition for dynamic crosslinking is insufficient.
- Ethylene 'heptene copolymer Ethylene' octene copolymer, Ethylene 4-methylpentene 1 copolymer, Ethylene 'Butyl acetate copolymer, Ethylene' Acrylic acid copolymer, Ethylene 'Acrylic acid
- ethylene copolymers such as ester copolymers, ethylene'methacrylic acid copolymers, ethylene.methacrylic acid ester copolymers.
- high-density polyethylene, medium-density polyethylene and / or low-density polyethylene are the points of moldability. More preferably.
- examples of the propylene-based polymer preferably used as the polyolefin include, for example, propylene homopolymer, ethylene.propylene random copolymer, ethylene.propylene block copolymer, propylene 'butene 1 copolymer, propylene' Examples thereof include ethylene 'butene 1 copolymer and propylene 4-methylpentene 1 copolymer.
- a propylene homopolymer, an ethylene / propylene random copolymer and / or an ethylene / propylene block copolymer are more preferably used from the viewpoint of moldability.
- the kind of the rubber softening agent contained in the dynamic crosslinking composition of the present invention as needed is not particularly limited, and any of mineral oil and / or synthetic resin can be used.
- Mineral oil softeners are generally a mixture of aromatic hydrocarbons, naphthene hydrocarbons, and paraffin hydrocarbons, and the number of carbon atoms in the paraffin hydrocarbons accounts for 50% or more of the total carbon atoms. Is called paraffinic oil, while naphthenic hydrocarbons with 30 45% carbon atoms are called naphthenic oils, and aromatic hydrocarbons with 35% or more carbon atoms are aromatic. It is called oil.
- the rubber softener preferably used in the present invention is paraffinic oil.
- the norafin oil has a moving occupancy force at 40 C of 20 800 cst (centitus), especially 50 600 est, a fluidity of 0 40 ° C, especially 0 30 ° C, and a flash point (COC method).
- the synthetic resin softener include polybutene, low molecular weight polybutadiene, and the like.
- the rubber softener is preferably contained in a proportion of 0 to 300 parts by weight per 100 parts by weight of the hydrogenated block copolymer. When the content of the rubber softener component exceeds 300 parts by weight as described above, the bleed out of the rubber softener and the dynamic physical properties of the composition for dynamic crosslinking and the molded product composed thereof are lowered.
- crosslinking agent conventionally known crosslinking agents can be used. Examples include organic peroxides, sulfur compounds, phenol resin compounds, quinoid compounds, bismaleimide compounds, isocyanate compounds, thiuram compounds, morpholine disulfides, and hydrosilicon compounds. Can be used in combination with a crosslinking aid such as stearic acid, oleic acid, zinc stearate and zinc oxide, a co-crosslinking agent and a vulcanization accelerator.
- Cross-linking agent As such, a phenol resin compound, a quinoid compound, and a bismaleimide compound are preferable because they selectively act on the unsaturated group of the polymer block B and have good elongation at break.
- the cross-linking agent reacts with each functional group to form a cross-linking bond depending on the type of functional group present in the polymer block B.
- a compound having a group is used.
- the crosslinking agent for the compound having a reactive group include two or more, particularly three or more selected from a carboxyl group, an acid anhydride group, an isocyanate group, an epoxy group, an amino group, a silanol group, and an alkoxysilane group.
- the unsaturated group of the polymer block B is crosslinked, 0.0 to 0.1 parts by weight of the hydrogenated block copolymer; Part by weight is preferred 0.0; more preferably 20 to 20 parts by weight. If the amount of the crosslinking agent used is less than 0.01 parts by weight, sufficient crosslinking cannot be formed in the polymer block B. On the other hand, if it exceeds 30 parts by weight, softening for rubber The bleed out of the agent and the mechanical properties decrease. If the functional group of polymer block B is to be crosslinked, the amount of crosslinking agent used is equivalent to the equivalent of functional group in polymer block B. The force is preferably a ratio of 0.;! To 100 equivalents S, more preferably 0.;! To 10 equivalents.
- a composition for dynamic crosslinking, and the like a conventionally known method without particular limitation can be used.
- the apparatus any melt kneader capable of uniformly mixing the respective components can be used, and examples thereof include a single screw extruder, a twin screw extruder, a kneader, and a Banbury mixer. Among these, it is preferable to use a twin screw extruder that has a large shearing force during kneading and can be operated continuously.
- “Melt-kneading” means mixing in a molten state at a temperature equal to or higher than the melting point of the composition. A preferable temperature is 100 to 300 ° C., more preferably 150 to 270 ° C. Ah
- the functionalized hydrogenated block copolymer and the composition thereof of the present invention are excellent in adhesiveness.
- the composition containing the functionalized hydrogenated block copolymer of the present invention is referred to as an adhesive composition.
- the hydrogenated block copolymer has hydroxyl, carbonyl, acid anhydride, carboxyl, amino High adhesion to polar resins and metals can be obtained for the first time by adding a functional group selected from a group, sulfonic acid group, amino group, cyano group, epoxy group, isocyanate group, silanol group, alkoxysilane group, etc. .
- a primer adheresion-imparting layer (adhesion intermediate layer)
- the adhesive composition may be used for the adhesive intermediate layer, and the outer layer may be coated with another resin.
- the functionalized hydrogenated block copolymer may be used alone, or if the functionalized hydrogenated block copolymer is 10% by weight or more, it is mixed with other components. It may be a composition.
- Other components include plasticizers such as phthalates and adipates, rubber softeners, tackifier resins, fillers or reinforcing agents such as carbon, silica, talc and glass fibers, and other antioxidants. , Ultraviolet absorbers, antistatic agents, flame retardants, lubricants, foaming agents, colorants, pigments, nucleating agents, and mixtures thereof.
- rubbery polymers such as styrene 'butadiene rubber (SBR), nitrile rubber (NBR), butadiene rubber (BR), ethylene' propylene rubber (EPT, EPR), natural rubber, etc. (NR), isoprene rubber (IR), 1,2-polybutadiene, acrylic rubber (AR), chloroprene rubber (CR), butyl rubber (IIR) and the like can be added.
- SBR styrene 'butadiene rubber
- NBR nitrile rubber
- BR butadiene rubber
- EPT ethylene' propylene rubber
- NR natural rubber, etc.
- IR isoprene rubber
- IR 1,2-polybutadiene
- acrylic rubber AR
- chloroprene rubber CR
- butyl rubber IIR
- heat from Gen-based resins Polychlorinated butyl resins, Polyacetate butyl resins, Polycarbonate resins, Polyacetal resins, Polyamide resins
- a plastic resin can also be blended. Further, in order to improve the high-frequency fusion property, a method of mixing a polar resin such as an ethylene acetate butyl copolymer, an ionomer or polychlorinated butyl and a filler having a hydroxyl group can be mentioned.
- the blending amount of the ethylene-butyl acetate copolymer in the composition is preferably 10% by weight or more from the viewpoint of high-frequency fusibility. On the other hand, 90% by weight or less is preferable from the viewpoint of flexibility. The range of 10% to 80% by weight is more preferred, and 15% to 80% by weight is more preferred.
- Hydrogenated block copolymer, functionalized hydrogenated block copolymer resin composition, adhesive of the present invention In the composition or the composition for dynamic crosslinking, an optional filler and a flame retardant can be blended as necessary.
- the filler and the flame retardant are not particularly limited as long as they are those generally used for blending thermoplastic resins and rubber-like polymers.
- Examples of the filler include silica, calcium carbonate, magnesium carbonate, magnesium hydroxide, aluminum hydroxide, calcium sulfate, barium sulfate, carbon black, glass fiber, glass peas, glass balloon, glass flake, and graphite. , Titanium oxide, potassium titanate whisker, carbon fiber, alumina, kaolin clay, kaic acid, calcium silicate, quartz, my strength, talc, clay, zircoure, potassium titanate, alumina, metal particles, etc. Examples thereof include organic fillers such as inorganic fillers, wooden chips, wooden powder, and pulp. There are no particular restrictions on the shape, such as scaly, spherical, granular, powder, and irregular shapes. These can be used alone or in combination.
- examples of the flame retardant include phosphorus-based compounds such as halogen-based, phosphorus-based aromatic compounds and phosphate ester-based compounds containing bromine and the like, and flame retardants such as metal hydroxides.
- Inorganic flame retardants have come to be preferably used due to environmental problems.
- examples of inorganic flame retardants include metal hydroxides such as magnesium hydroxide, aluminum hydroxide, and calcium hydroxide, metal oxides such as zinc borate and barium borate, other calcium carbonate, clay, basic magnesium carbonate, and hyde mouth.
- ability to illustrate mainly hydrated metal compounds such as talcite.
- metal hydroxides such as magnesium hydroxide and phosphorus compound flame retardants are preferable from the viewpoint of improving flame retardancy.
- a known flame retardant and a known flame retardant may be used by using a flame retardant system that exhibits a synergistically superior effect when used in combination with other compounds.
- a combination of auxiliaries may be used.
- filler and the flame retardant a type in which a surface treatment is performed in advance with a surface treatment agent such as a silane coupling agent may be used.
- a surface treatment agent such as a silane coupling agent
- These fillers and flame retardants may be used in combination of two or more as required. When used in combination, it is not particularly limited, and it is not necessary to use filler components or flame retardant components, or a combination of a filler and a flame retardant.
- the functionalized hydrogenated block copolymer resin composition, the adhesive composition, or the dynamic crosslinking composition of the present invention may include other "rubber 'plastic compounding chemicals" (Rubber Diesel) as necessary. Additives described in ed.), Etc. or a mixture of these may be added.
- any known method such as a method or a physical method, may be used, respectively, by adding a chemical foaming agent such as an inorganic foaming agent or an organic foaming agent, or a foaming agent such as a physical foaming agent. Air bubbles can be distributed.
- a foam material it is possible to reduce the weight, improve flexibility, improve shock absorption, improve design, and the like.
- the inorganic foaming agent include sodium bicarbonate, ammonium carbonate, ammonium bicarbonate, ammonium nitrite, azide compound, sodium borohydride, metal powder and the like.
- Organic foaming agents include azodicarbonamide, azobisformamide, azobisisobutyronitrile, barium azodicarboxylate, N, N, monodinitrosopentamethylenetetramine, N, N'-dinitroso N, N'-dimethyl
- Examples thereof include terephthalamide, benzenesulfonyl hydrazide, p-toluenesulfonyl hydrazide, p, p'-oxybisbenzenesulfonyl hydrazide, p-toluenesulfonyl semicarbazide and the like.
- Physical blowing agents include hydrocarbons such as pentane, butane and hexane, halogenated hydrocarbons such as methyl chloride and methylene chloride, gases such as nitrogen and air, trichlorofluoroethylene, dichlorodifluorochloromethane, and trichloro.
- hydrocarbons such as pentane, butane and hexane
- halogenated hydrocarbons such as methyl chloride and methylene chloride
- gases such as nitrogen and air
- trichlorofluoroethylene such as dichlorodifluorochloromethane
- fluorinated hydrocarbons such as trifonoleoethane, chlorodiphenoloethane and hydrophenolocarbon.
- the hydrogenated block copolymer, the functionalized hydrogenated block copolymer resin composition, the adhesive composition, or the dynamic crosslinking composition of the present invention has an improved appearance as needed on the surface of the molded product.
- the surface treatment method can be any physical method, chemical method, etc. without particular limitations.
- the corona discharge treatment is preferable from the viewpoints of ease of implementation, cost, and continuous treatment.
- the hydrogenated block copolymer, functionalized hydrogenated block copolymer resin composition, adhesive composition or dynamic crosslinking composition of the present invention can be used for various applications by blending various additives as desired. Being the power S
- the functionalized hydrogenated block copolymer resin composition the adhesive composition, or the dynamic crosslinking composition of the present invention, a ⁇ reinforcing filler formulation
- the hydrogenated block copolymer, functionalized hydrogenated block copolymer resin composition, adhesive composition, or dynamic crosslinking composition of the present invention can be used in various applications as described above.
- the molding method extrusion molding, injection molding, hollow molding, pressure molding, vacuum molding, foam molding, multilayer extrusion molding, multilayer injection molding, high frequency fusion molding, slash molding, calendar molding, etc.
- molded products include sheets, films, tubes, nonwoven fabrics and fibrous molded products, and synthetic leather.
- Molded articles comprising the hydrogenated copolymer and hydrogenated copolymer composition of the present invention include food packaging materials, medical device materials, home appliances and parts thereof, electronic devices and parts thereof, automobile parts, industrial parts, It can be used as materials for household goods, toys, footwear materials, textile materials, adhesive materials, asphalt modifiers, etc.
- automobile parts include side monoles, grommets, knobs, weather strips, window frames and their sealing materials, armrests, door grips, handle grips, console bots, bed rests, instrument panels, non-one , Spoilers, storage covers for airbag devices, and the like.
- medical devices include blood bags, platelet storage bags, infusion (medical solution) bags, artificial dialysis bags, medical tubes, catheters, and the like.
- UV spectrophotometer manufactured by Shimadzu Corporation, UV-2450 using non-hydrogenated block copolymer
- a non-hydrogenated block copolymer was used and measured using an infrared spectrophotometer (manufactured by JASCO Corporation, FT / IR-230). The amount of bull bonds in the block copolymer was calculated by the Hampton method.
- the hydrogenated block copolymer after hydrogenation was used and measured with a nuclear magnetic resonance apparatus (device name: DPX-400; manufactured by BRUKER, Germany).
- the value after 10 seconds was measured with a durometer type A according to IS K6253.
- a compression set test was performed in accordance with JIS K6262. Measurement conditions are temperature 70 ° C, 100. C, 120. C, 22 hours.
- the grain depth was measured with a surface roughness meter E-35A manufactured by Tokyo Seimitsu Co., Ltd.
- Wrinkle depth remaining rate (Wrinkle depth after friction) / (Wrinkle depth before friction) X 100 (Formula 1) ⁇ (Excellent): After 20,000 times of friction, the wrinkle depth remaining rate is 75% more than
- a 2mm-thick press sheet was prepared, and the surface of the sheet was touched with a finger to check for stickiness (stickiness), and judged according to the following criteria.
- the test piece was a 2mm thick press sheet. IRM # 903 oil was used, and the weight change rate at 120 ° C (not possible) for 24 hours was measured.
- blended is as follows.
- the hydrogenation catalyst used for the hydrogenation reaction of the block copolymer was prepared by the following method.
- ⁇ Polymer 1 Styrene isoprene Butadiene isoprene Styrene hydrogenation>
- a 10-liter stirrer and jacketed tank reactor were washed, dried, and purged with nitrogen to perform batch polymerization.
- a cyclohexane solution concentration 20% by weight
- n butyl lithium is added to 0.06 parts by weight with respect to 100 parts by weight of the total monomer, and N, N, ⁇ ', ⁇ , and monotetramethylethylenediamine (hereinafter referred to as TMEDA) are added to 1 mol of ⁇ butyl lithium.
- TMEDA monotetramethylethylenediamine
- the resulting solution was 0.45 mol added and polymerized at 70 ° C for 30 minutes. Thereafter, a cyclohexane solution (concentration 20% by weight) containing 2 parts by weight of isoprene was added, and polymerization was carried out at 70 ° C. for 30 minutes. Next, a cyclohexane solution containing 68 parts by weight of butadiene (concentration 2 0% by weight) was added and polymerization was carried out at 70 ° C for 1 hour. Next, a cyclohexane solution (concentration: 20% by weight) containing 2 parts by weight of isoprene was added and polymerized at 70 ° C. for 30 minutes.
- a cyclohexane solution (concentration: 20% by weight) containing 14 parts by weight of styrene was charged and polymerized at 70 ° C. for 30 minutes.
- the resulting polymer has a styrene content of 28% by weight, a polystyrene block content of 28% by weight, an isoprene content of 4% by weight, a polybutadiene block part with a bully bond content of 35% by weight, a molecular weight of the entire polymer of 223,000, polystyrene.
- the molecular weight of the block was 210,000 and the molecular weight distribution was 1.03.
- the hydrogenation catalyst was subjected to hydrogenation reaction at a hydrogen pressure of 0.7 MPa and a temperature of 65 ° C with the hydrogenation catalyst as titanium per 100 parts by weight of the polymer, with an lOOppm addition force P. Thereafter, methanol was added, and then octadecyl-3- (3,5-di-tert-butyl-4-hydroxyphenyl) propionate as a stabilizer was added in an amount of 0.3 part by mass based on 100 parts by mass of the polymer.
- the resulting hydrogenated block copolymer (Polymer 1) had a hydrogenation rate of 99% for butadiene and 5% for isoprene.
- a polymer was prepared in the same manner as Polymer 1. After adding a cyclohexane solution containing 1.5 parts by weight of isoprene, 0.05 parts by weight of n-butyllithium with respect to 100 parts by weight of the total monomer and 0.555 parts of TMEDA with 1 mole of n-butyllithium were added. Caroten and overlap at 70 ° C for 30 minutes. Thereafter, a cyclohexane solution containing 15 parts by weight of styrene was added and polymerized at 70 ° C. for 30 minutes. Next, a cyclohexane solution containing 67 parts by weight of butadiene was added and polymerized at 70 ° C. for 1 hour.
- a cyclohexane solution containing 15 parts by weight of styrene was added and polymerized at 70 ° C. for 30 minutes.
- a cyclohexane solution containing 1.5 parts by weight of isoprene was charged and polymerized at 70 ° C. for 30 minutes.
- the polymer obtained had a styrene content of 30 wt%, Porisuchi Ren block content of 29.5 wt 0/0, isoprene content 3 wt 0/0, Bulle bond content of 37% by weight of a polybutadiene block part of the molecular weight of the whole polymer
- the molecular weight of the polystyrene block was 320,000 and the molecular weight distribution was 1.04.
- the obtained polymer was subjected to a hydrogenation reaction in the same manner as in Polymer 1 to obtain a hydrogenated block copolymer (Polymer 2).
- the obtained hydrogenated block copolymer (Polymer 2) had a hydrogenation rate of 98% for butadiene and 4% for isoprene.
- a polymer was prepared in the same manner as in Polymer 1.
- a cyclohexane solution containing 1.5 parts by weight of isoprene was added and polymerized at 70 ° C. for 30 minutes.
- a cyclohexane solution containing 15 parts by weight of styrene was charged and polymerized at 70 ° C. for 30 minutes.
- the polymer obtained had a styrene content of 30 wt%, Porisuchi Ren block content of 29.4 wt 0/0, isoprene content 3 wt 0/0, Bulle bond content 35% by weight of a polybutadiene block part of the molecular weight of the whole polymer 31.
- the molecular weight of the polystyrene block was 310,000 and the molecular weight distribution was 1.03.
- the obtained polymer was subjected to a hydrogenation reaction in the same manner as in Polymer 1 to obtain a hydrogenated block copolymer (Polymer 3).
- the obtained hydrogenated block copolymer (Polymer 3) had a hydrogenation rate of 98% for butadiene and 4% for isoprene.
- Polymer 4 Isoprene Styrene Butadiene Styrene Isoprene Hydrogenated>
- a polymer was prepared in the same manner as Polymer 1. After adding a cyclohexane solution containing 1.5 parts by weight of isoprene, 0.05 parts by weight of n-butyllithium with respect to 100 parts by weight of the total monomer and 0.555 parts of TMEDA with 1 mole of n-butyllithium were added. Caroten and overlap at 70 ° C for 30 minutes. Thereafter, a cyclohexane solution containing 15 parts by weight of styrene was added and polymerized at 70 ° C. for 30 minutes.
- a cyclohexane solution containing 67 parts by weight of butadiene was added and polymerized at 70 ° C. for 1 hour.
- a cyclohexane solution containing 15 parts by weight of styrene was added and polymerized at 70 ° C. for 30 minutes.
- a cyclohexane solution containing 1.5 parts by weight of isoprene was charged and polymerized at 70 ° C. for 30 minutes.
- the obtained polymer has a styrene content of 30% by weight, a polystyrene block content of 29% by weight, an isoprene content of 3% by weight, a polybutadiene block part of a butyl bond content of 36% by weight, a total molecular weight of 298,000, polystyrene.
- the molecular weight of the block was 310,000 and the molecular weight distribution was 1.05.
- the obtained polymer was subjected to a hydrogenation reaction in the same manner as in Polymer 1 to form a hydrogenated block.
- a copolymer (Polymer 4) was obtained.
- the obtained hydrogenated block copolymer (Polymer 4) had a hydrogenation rate of 99.5% for butadiene and 34% for isoprene.
- a polymer was prepared in the same manner as Polymer 1. After adding a cyclohexane solution containing 1.5 parts by weight of isoprene, 0.05 parts by weight of n-butyllithium with respect to 100 parts by weight of the total monomer and 0.555 parts of TMEDA with 1 mole of n-butyllithium were added. Caroten and overlap at 70 ° C for 30 minutes. Thereafter, a cyclohexane solution containing 14 parts by weight of styrene was added and polymerized at 70 ° C. for 30 minutes. Next, a cyclohexane solution containing 34 parts by weight of butadiene was added and polymerized at 70 ° C. for 30 minutes.
- a cyclohexane solution containing 1.5 parts by weight of isoprene was added and polymerized at 70 ° C. for 30 minutes.
- a cyclohexane solution containing 33.5 parts by weight of butadiene was added and polymerized at 70 ° C. for 30 minutes.
- a cyclohexane solution containing 14 parts by weight of styrene was added and polymerized at 70 ° C. for 30 minutes.
- a cyclohexane solution containing 1.5 parts by weight of isoprene was added and polymerized at 70 ° C. for 30 minutes.
- the obtained polymer had a styrene content of 28% by weight, a polystyrene block content of 27.8% by weight, an isoprene content of 4.5% by weight, a polybutylene block part binding amount of 34% by weight, and a total molecular weight of 32%.
- the molecular weight of the polystyrene block was 10,000, and the molecular weight distribution was 1.05.
- the obtained polymer was subjected to a hydrogenation reaction in the same manner as in Polymer 1 to obtain a hydrogenated block copolymer (Polymer 5).
- the hydrogenated block copolymer (Polymer 5) obtained had a hydrogenation rate of 96% for butadiene and 4% for isoprene.
- Polymer 6 Hydrogenated Isoprene / Styrene Butadiene Styrene / Isoprene>
- a polymer was prepared in the same manner as Polymer 1. After adding a cyclohexane solution containing 2 parts by weight of isoprene and 29 parts by weight of styrene, 0.145 parts by weight of n-butyllithium with respect to 100 parts by weight of all monomers and 0.1 part of TMEDA with respect to 1 mole of n-butyllithium. 35 mol was added and polymerized at 70 ° C for 1 hour.
- the polymer has a styrene content of 29% by weight, a polystyrene block content of 26% by weight, an isoprene content of 2% by weight, a butadiene bond of 40% by weight of the polybutadiene block, a total molecular weight of 150,000, a polystyrene block
- the molecular weight was 14,000 and the molecular weight distribution was 1.10.
- the obtained polymer was subjected to a hydrogenation reaction in the same manner as in Polymer 1 to obtain a hydrogenated block copolymer (Polymer 6).
- the obtained hydrogenated block copolymer (Polymer 6) had a hydrogenation rate of 98% for butadiene and 6% for isoprene.
- a polymer was prepared in the same manner as Polymer 1. After adding cyclohexane solution containing 15 parts by weight of styrene, 0.05 parts by weight of n-butyllithium with respect to 100 parts by weight of all monomers, and 0.55 parts of mono-reducted calorie with respect to 1 mole of n MED And polymerized at 70 ° C for 30 minutes. Thereafter, a cyclohexane solution containing 70 parts by weight of butadiene was added and polymerized at 70 ° C. for 1 hour. Finally, a cyclohexane solution containing 15 parts by weight of styrene was added and polymerized at 70 ° C. for 30 minutes.
- the resulting polymer has a styrene content of 30% by weight, a polystyrene block content of 29% by weight, a polybutadiene block part of 38% by weight of the butadiene bond, a total molecular weight of 321,000, and a polystyrene block molecular weight of 3.2.
- the molecular weight distribution was 1.03.
- the obtained polymer was subjected to a hydrogenation reaction in the same manner as in Polymer 1 to obtain a hydrogenated block copolymer (Polymer 7).
- the resulting hydrogenated block copolymer (Polymer 7) had a hydrogenation rate of 99% for butadiene.
- the non-hydrogenated polymer of (Polymer 7) was subjected to a hydrogenation reaction in the same manner as Polymer 1 to obtain a partially hydrogenated block copolymer (Polymer 8) in which the hydrogenation reaction was stopped midway.
- the hydrogenation rate of the obtained partially hydrogenated block copolymer (Polymer 8) was 55% for butadiene.
- a polymer was prepared in the same manner as Polymer 1. After adding a cyclohexane solution containing 2 parts by weight of isoprene, n butyllithium was added to 0.068 parts by weight with respect to 100 parts by weight of all monomers. MEDA was added in an amount of 0.7 mol per mol of n-butyllithium and polymerized at 70 ° C for 30 minutes. Thereafter, a cyclohexane solution containing 14 parts by weight of styrene was added, and polymerization was performed at 70 ° C for 30 minutes. Next, a cyclohexane solution containing 18 parts by weight of butadiene was added and polymerized at 70 ° C for 30 minutes.
- a cyclohexane solution containing 15 parts by weight of butadiene and 35 parts by weight of styrene was added and polymerized at 70 ° C. for 1 hour.
- a cyclohexane solution containing 14 parts by weight of styrene was added and polymerized at 70 ° C. for 30 minutes.
- a cyclohexane solution containing 2 parts by weight of isoprene was charged and polymerized at 70 ° C. for 30 minutes.
- the resulting polymer has a styrene content of 63% by weight, a polystyrene block content of 28% by weight, an isoprene content of 4% by weight, a polybutadiene bond block of 48% by weight, and a polybutadiene random block block of bond.
- the molecular weight of the polymer was 17,000, and the molecular weight distribution was 1.10.
- the obtained polymer was subjected to a hydrogenation reaction in the same manner as in Polymer 1 to obtain a hydrogenated block copolymer (Polymer 9).
- the resulting hydrogenated block copolymer (Polymer 9) had a hydrogenation rate of 99% for butadiene and 5% for isoprene.
- a polymer was prepared in the same manner as Polymer 1. After adding cyclohexane solution containing 2 parts by weight of isoprene, 0.068 parts by weight of n-butyllithium with respect to 100 parts by weight of all monomers and 0.7 moles of T MEDA with respect to 1 mole of n-butyllithium were added. Polymerization was conducted at 70 ° C for 30 minutes. Thereafter, a cyclohexane solution containing 14 parts by weight of styrene was added and polymerization was performed at 70 ° C. for 30 minutes. Next, a cyclohexane solution containing 18 parts by weight of butadiene was added and polymerized at 70 ° C for 30 minutes.
- a cyclohexane solution containing 15 parts by weight of butadiene and 35 parts by weight of styrene was added and polymerized at 70 ° C. for 1 hour.
- a cyclohexane solution containing 14 parts by weight of styrene was added and polymerized at 70 ° C. for 30 minutes.
- a cyclohexane solution containing 2 parts by weight of isoprene was charged and polymerized at 70 ° C. for 30 minutes.
- the resulting polymer had a styrene content of 63% by weight, a polystyrene block content of 29% by weight, an isoprene content of 4% by weight, a polybutadiene bond block of 49% by weight, and a polybutadiene random block block of bond. 19% by weight, the total molecular weight of the polymer is 154,000, and the molecular weight distribution is 1.11. I got it.
- the obtained polymer was subjected to a hydrogenation reaction in the same manner as in Polymer 1 to obtain a hydrogenated block copolymer (Polymer 10).
- the resulting hydrogenated block copolymer (Polymer 10) had a hydrogenation rate of 99.5% for butadiene and 37% for isoprene.
- a polymer was prepared in the same manner as Polymer 1. After adding a cyclohexane solution containing 15 parts by weight of styrene, 0.068 parts by weight of n-butyllithium with respect to 100 parts by weight of all monomers and 0.7 moles of T MEDA with respect to 1 mole of n-butyllithium were added. Polymerization was conducted at 70 ° C for 30 minutes. Thereafter, a cyclohexane solution containing 20 parts by weight of butadiene was added and polymerized at 70 ° C. for 30 minutes.
- a cyclohexane solution containing 15 parts by weight of butadiene and 35 parts by weight of styrene was added and polymerized at 70 ° C. for 1 hour.
- a cyclohexane solution containing 15 parts by weight of styrene was charged and polymerized at 70 ° C. for 30 minutes.
- the resulting polymer has a styrene content of 65% by weight, a polystyrene block content of 30% by weight, a polybutadiene single block part of 50% by weight of bull bond, a polybutadiene random block part of 12% by weight of bull bond,
- the molecular weight was 150,000 and the molecular weight distribution was 1.11.
- the obtained polymer was subjected to a hydrogenation reaction in the same manner as in Polymer 1 to obtain a hydrogenated block copolymer (Polymer 11).
- the resulting hydrogenated block copolymer (Polymer 11) had a hydrogenation rate of 98% for butadiene.
- the non-hydrogenated polymer of (Polymer 11) was subjected to a hydrogenation reaction in the same manner as Polymer 1 to obtain a partially hydrogenated block copolymer (Polymer 12) in which the hydrogenation reaction was stopped midway.
- the hydrogenation rate of the obtained partially hydrogenated block copolymer (Polymer 12) was 53% of butadiene.
- Polymer 13 Isoprene Styrene Butadiene Styrene Isoprene Hydrogenated>
- a polymer was prepared in the same manner as Polymer 1. After charging cyclohexane solution containing 2 parts by weight of isoprene, 0.05 parts by weight of n-butyllithium with respect to 100 parts by weight of total monomer and 0.55 parts by weight of monomedium And polymerization for 30 minutes at 70 ° C did. Thereafter, a cyclohexane solution containing 7 parts by weight of styrene was added and polymerized at 70 ° C. for 30 minutes.
- a cyclohexane solution containing 82 parts by weight of butadiene was added and polymerized at 70 ° C for 1 hour.
- a cyclohexane solution containing 7 parts by weight of styrene was added and polymerized at 70 ° C for 30 minutes.
- a cyclohexane solution containing 2 parts by weight of isoprene was charged and polymerized at 70 ° C. for 30 minutes.
- the resulting polymer has a styrene content of 14% by weight, a polystyrene block content of 14% by weight, an isoprene content of 4% by weight, a polybutadiene block part bullying amount of 36% by weight, a total molecular weight of 341,000 and polystyrene.
- the molecular weight of the block was 150,000 and the molecular weight distribution was 1.05.
- the obtained polymer was subjected to a hydrogenation reaction in the same manner as in Polymer 1 to obtain a hydrogenated block copolymer (Polymer 13).
- the resulting hydrogenated block copolymer (Polymer 13) had a hydrogenation rate of 98% for butadiene and 6% for isoprene.
- An epoxy reaction was carried out by washing, drying, and purging nitrogen with a 5 L stirring device and a jacketed tank reactor.
- a cyclohexane solution concentration 20% by weight
- 500 g of a hydrogenated block copolymer Polymer 2
- 0.4 mol of formic acid was added and stirred at 60 ° C. for 30 minutes.
- 0.4 mol of hydrogen peroxide was added over 10 minutes and reacted at 60 ° C for 4 hours.
- the epoxy content of the polymer obtained was determined by titration. As a result, 8 epoxies were added to one molecule.
- Polymer 12 was epoxidized in the same manner as polymer A to obtain an epoxidized hydrogenated block copolymer.
- the epoxy content of the resulting epoxidized hydrogenated block copolymer was determined.
- an epoxidized hydrogenated block copolymer (polymer D) in which 15 epoxies were added to one molecule was obtained.
- Thermoplastic resin 1 Polypropylene resin, PL500A (manufactured by Sanalomer), MFR (230 ° C, 2.16 kg); 3.3 g / min.
- Thermoplastic resin 2 Polypropylene resin, PC630A (manufactured by Sanalomer), MFR (230 ° C, 2.16 kg); 7.5 g / min.
- Rubber softener Paraffin oil, PW-380 (manufactured by Idemitsu Kosan Co., Ltd.)
- Crosslinking agent 1 Polymethylol phenol resin, Tatsukirol 250-1 (Taoka Chemical Co., Ltd.)
- Crosslinking agent 2 Multifunctional compound, tricarboxylic acid TCX-21 (Asahi Kasei Co., Ltd.)
- Silicon oil SH200 5000cs (manufactured by Toray Dow Coung)
- Polymer 1 polypropylene resin (PL500A), paraffin oil (PW-380), crosslinker-1 phenol resin (Tatsukirol 250-1), and zinc oxide are shown in the table below.
- PL500A polypropylene resin
- PW-380 paraffin oil
- PW-380 paraffin oil
- Tatsukirol 250-1 crosslinker-1 phenol resin
- zinc oxide zinc oxide
- the mixture was supplied to a lab plast mill [manufactured by Toyo Seiki Co., Ltd.] and melt kneaded at a cylinder temperature of 200 ° C. and a screw rotation speed of lOO rpm to produce a thermoplastic elastomer composition.
- the obtained composition was compression-molded at 200 ° C. to produce a sheet having a thickness of 2 mm, and a physical property measurement piece was obtained.
- the physical properties of each test piece were measured, and the results are shown in the table.
- a composition having an excellent balance of strength, elongation and compression set was obtained.
- Example 13 Polymer A, polypropylene resin (PL500A), paraffin oil (PW-380), and tricarboxylic acid (TCX-21) as crosslinking agent 2 were premixed at the ratio shown in Table 2 below, and then Laboplast mill [Toyo To Seiki Co., Ltd.] and melt kneaded at a cylinder temperature of 200 ° C. and a screw rotation speed of lOO rpm to produce a thermoplastic elastomer composition. The obtained composition was compression molded at 200 ° C. to prepare a 2 mm thick sheet, and a physical property measurement piece was obtained. The physical properties of each test piece were measured, and the results are shown in the table. A composition having an excellent balance of strength, elongation and compression set was obtained.
- Zinc oxide is premixed in the proportions shown in Table 2 below, then supplied to a lab plast mill [manufactured by Toyo Seiki Co., Ltd.] and melt-kneaded at a cylinder temperature of 200 ° C and a screw rotation speed of lOOrpm. A thermoplastic elastomer composition was produced respectively. The obtained composition was compression molded at 200 ° C. to prepare a 2 mm thick sheet, and a physical property measurement piece was obtained. The physical properties of each test piece were measured and the results are shown in Table 2. A composition having low resilience and excellent balance of wear resistance, strength, elongation, and compression set was obtained.
- Example 10 Using (Polymer 5), a composition was obtained in the same manner as in Example 7, a molded sheet was prepared, and the physical properties were measured. The results are shown in Table 2. A composition having low rebound resilience and excellent balance of abrasion resistance, strength, elongation, and compression set was obtained.
- the hydrogenated block copolymer and adhesive composition or dynamic crosslinking composition of the present invention can be used for various molded articles including automobile parts, civil engineering / architecture applications, home appliance parts, sports equipment, miscellaneous goods, and stationery. And can be suitably used in a wide variety of other fields.
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Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2007800281408A CN101495527B (zh) | 2006-08-08 | 2007-08-07 | 氢化嵌段共聚物及其交联用组合物 |
JP2008528822A JP4320364B2 (ja) | 2006-08-08 | 2007-08-07 | 水添ブロック共重合体及びその架橋用組成物 |
KR1020097001843A KR101162814B1 (ko) | 2006-08-08 | 2007-08-07 | 수소 첨가 블럭 공중합체 및 그의 가교용 조성물 |
US12/375,672 US8772415B2 (en) | 2006-08-08 | 2007-08-07 | Hydrogenated block copolymers and crosslinking compositions containing the same |
EP07792089A EP2050773A4 (en) | 2006-08-08 | 2007-08-07 | HYDROGENIC BLOCK COPOLYMERS AND CROSSLINKING COMPOSITIONS CONTAINING SAME |
Applications Claiming Priority (4)
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JP2006-216153 | 2006-08-08 | ||
JP2006216153 | 2006-08-08 | ||
JP2006-216152 | 2006-08-08 | ||
JP2006216152 | 2006-08-08 |
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WO2008018445A1 true WO2008018445A1 (fr) | 2008-02-14 |
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PCT/JP2007/065420 WO2008018445A1 (fr) | 2006-08-08 | 2007-08-07 | Copolymères séquencés hydrogénés et compositions de réticulation les contenant |
Country Status (8)
Country | Link |
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US (1) | US8772415B2 (ja) |
EP (2) | EP2230265A1 (ja) |
JP (2) | JP4320364B2 (ja) |
KR (1) | KR101162814B1 (ja) |
CN (1) | CN101495527B (ja) |
MY (1) | MY149394A (ja) |
TW (1) | TWI399387B (ja) |
WO (1) | WO2008018445A1 (ja) |
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JP2009161774A (ja) * | 2006-08-08 | 2009-07-23 | Asahi Kasei Chemicals Corp | 水添ブロック共重合体及びその架橋用組成物 |
EP2147960A1 (de) | 2008-07-23 | 2010-01-27 | Tesa AG | Klebmasse für reversible UV-stabile Haftklebebänder |
JP2010053229A (ja) * | 2008-08-27 | 2010-03-11 | Asahi Kasei Chemicals Corp | ポリオキシメチレン樹脂組成物及びその成形体 |
US8785546B2 (en) | 2008-08-29 | 2014-07-22 | Kuraray Co., Ltd. | Hydrogenated block copolymer and composition containing same |
WO2010024382A1 (ja) * | 2008-08-29 | 2010-03-04 | 株式会社クラレ | 水添ブロック共重合体およびそれを含む組成物 |
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JP2016113614A (ja) * | 2014-12-10 | 2016-06-23 | 株式会社クラレ | 熱可塑性エラストマー組成物、架橋物、成形体、部材、ウェザーシール、及びウェザーシール用コーナー部材 |
WO2020235521A1 (ja) * | 2019-05-23 | 2020-11-26 | 旭化成株式会社 | 水添共重合体、粘着フィルム、樹脂組成物、及び成形体 |
JPWO2020235521A1 (ja) * | 2019-05-23 | 2020-11-26 | ||
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Also Published As
Publication number | Publication date |
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KR20090031928A (ko) | 2009-03-30 |
CN101495527B (zh) | 2013-04-10 |
EP2230265A1 (en) | 2010-09-22 |
US8772415B2 (en) | 2014-07-08 |
TWI399387B (zh) | 2013-06-21 |
CN101495527A (zh) | 2009-07-29 |
EP2050773A1 (en) | 2009-04-22 |
KR101162814B1 (ko) | 2012-07-05 |
TW200833722A (en) | 2008-08-16 |
US20100087559A1 (en) | 2010-04-08 |
MY149394A (en) | 2013-08-30 |
EP2050773A4 (en) | 2009-07-22 |
JPWO2008018445A1 (ja) | 2009-12-24 |
JP4320364B2 (ja) | 2009-08-26 |
JP2009161774A (ja) | 2009-07-23 |
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