WO2011055803A1 - 4-メチル-1-ペンテン・α-オレフィン共重合体、該共重合体を含む組成物および4-メチル-1-ペンテン共重合体組成物 - Google Patents
4-メチル-1-ペンテン・α-オレフィン共重合体、該共重合体を含む組成物および4-メチル-1-ペンテン共重合体組成物 Download PDFInfo
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F210/14—Monomers containing five or more carbon atoms
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- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
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- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
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- C08F210/06—Propene
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- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/14—Copolymers of propene
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- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
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- 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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- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
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- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
- C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
- C08F4/62—Refractory metals or compounds thereof
- C08F4/64—Titanium, zirconium, hafnium or compounds thereof
- C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Definitions
- the present invention relates to a 4-methyl-1-pentene / ⁇ -olefin copolymer, a composition containing the copolymer, a molded article containing the composition, and uses thereof.
- the present invention relates to a 1-pentene and ⁇ -olefin copolymer, a composition containing the copolymer, and uses thereof.
- Olefin polymers are excellent in processability, chemical resistance, electrical properties, mechanical properties, etc., so they are processed into extrusion molded products, injection molded products, hollow molded products, films, sheets, fibers, etc. It is used for various purposes such as household goods, kitchenware, packaging films, non-woven fabrics, home appliances, machine parts, electrical parts, and automobile parts.
- olefin polymers containing 4-methyl-1-pentene are lightweight, transparent, gas permeable, chemical resistant and have excellent heat resistance as food, medical, electronic information, home appliances, laboratory equipment, It is used in various fields such as stationery.
- Such an olefin polymer is generally produced using a catalyst composed of a transition metal compound and an organoaluminum compound, a so-called Ziegler type catalyst.
- Patent Document 1 proposes a 4-methyl-1-pentene random copolymer and a composition containing the copolymer.
- an olefin polymer obtained using an organometallic complex catalyst containing a cyclopentadienyl group generally has a characteristic that the composition such as the molecular weight of the polymer is uniform.
- the heat resistance is inferior to that obtained from conventional Ziegler type catalysts.
- the cause is that an olefin polymer produced with a normal metallocene catalyst contains about several percent of heterogeneous bonds of monomer units, which is said to have an adverse effect on physical properties.
- Patent Document 2 proposes a 4-methyl-1-pentene polymer having excellent heat resistance, high molecular weight and narrow molecular weight distribution. However, the obtained polymer has a point which should be improved from a viewpoint of heat resistance, toughness, and moldability.
- Poly-4-methyl-1-pentene has a feature of excellent releasability. This is because the surface tension is lower than that of other resins, so that the releasability is exhibited at the time of molding. That is, it has a property that it is not compatible with other resins. Therefore, when other resin is used as a modifying material in order to modify toughness or impact property, there is a problem that characteristics are not exhibited.
- Patent Document 3 and Patent Document 4 propose the use of a 4-methyl-1-pentene polymer composition, but further improvements should be made in terms of toughness, impact resistance and transparency. There is.
- damping materials are widely used for the purpose of preventing and suppressing vibrations generated from equipment parts to an appropriate level.
- it is also used as a material having a specific vibration control action in order to obtain high-quality sound quality such as audio equipment speakers.
- a material having a large peak value of the loss coefficient tan ⁇ of dynamic viscoelasticity measurement which is an index of vibration damping property of a polymer material, has been used as a polymer material having vibration characteristics, and a styrene-isoprene-styrene block Examples thereof include a copolymer (SIS) or a hydrogenated product thereof.
- SIS copolymer
- SIS has a peak of a large tangent loss tan ⁇ near room temperature, so it has excellent vibration damping characteristics near room temperature, but is inferior in vibration damping properties except near the peak temperature because the tan ⁇ peak is sharp. Further, since the hydrogenation SIS is manufactured by a process consisting of two stages of polymerization and hydrogenation, the production cost is high and the industrial application range is limited.
- Rubber-based vibration damping materials have excellent performance characteristics, but it is difficult to adapt to any shape during construction.
- Polypropylene and 4-methyl-1-pentene homopolymers have a tan ⁇ peak near room temperature, but have such disadvantages that the peak value is small and the dimensional accuracy during molding is low.
- Polyvinyl chloride (PVC) vibration-damping materials can adversely affect the environment, such as generating toxic gases during incineration.
- the present invention is to solve the above points, and is excellent in light weight, flexibility, stress absorption, stress relaxation, vibration damping, scratch resistance, wear resistance, toughness, mechanical properties, and molding.
- a composition containing the copolymer, and a molded article comprising the composition which are free from stickiness and have an excellent balance between them. It is.
- the 4-methyl-1-pentene / ⁇ -olefin copolymer (A) of the present invention has a structural unit (i) derived from 4-methyl-1-pentene of 5 to 95 mol%, 4-methyl-1 A structural unit derived from at least one ⁇ -olefin selected from ⁇ -olefins having 2 to 20 carbon atoms excluding pentene (ii) 5 to 95 mol% and a structural unit derived from non-conjugated polyene (iii) It consists of 0 to 10 mol% (provided that the total of structural units (i), (ii) and (iii) is 100 mol%), and satisfies the following requirements (a) to (d) .
- Intrinsic viscosity [ ⁇ ] measured at 135 ° C. in decalin is 0.01 to 5.0 dL / g
- B The ratio (Mw / Mn) of the weight average molecular weight (Mw) and the number average molecular weight (Mn) measured by gel permeation chromatography (GPC) is 1.0 to 3.5
- C Tensile modulus (YM) is 0.1 to 1000 MPa
- D) Melting point [Tm] measured by a differential scanning calorimeter (DSC) is less than 110 ° C. or not recognized.
- the structural unit (i) is 10 to 90 mol%, and the structural unit (ii) is 10 to 90 mol% (provided that the total of the structural units (i) and (ii) is 100 mol%); Further satisfying the following requirements (c1) and (e) is preferable in terms of flexibility, mechanical properties, toughness, scratch resistance, wear resistance, and stress absorption.
- Tensile modulus (YM) is 0.1 to 300 MPa.
- the structural unit (i) is 5 to 95 mol%, the structural unit (ii) is 4.9 to 94.9 mol%, and the structural unit (iii) is 0.1 to 10 mol%. (However, the total of the structural units (i), (ii), and (iii) is 100 mol%) 4-methyl-1-pentene / ⁇ -olefin copolymer (A3) has mechanical properties, flexibility, More preferable in terms of toughness.
- the structural unit (i) is 5 to 50 mol%, preferably 10 to 32 mol%, the structural unit (ii) is 50 to 95 mol%, preferably 68 to 90 mol%, and the structural unit (iii) Of 4-methyl-1-pentene / ⁇ -olefin copolymer (A1), wherein 0 to 10 mol% (provided that the total of the structural units (i), (ii) and (iii) is 100 mol%)) ) Further satisfies the requirements (a) to (d) and the following requirement (j).
- the copolymer (A1) comprises 10 to 32 mol% of the structural unit (i), 68 to 90 mol% of the structural unit (ii), and 0 to 10 mol% of the structural unit (iii). (The total of the structural units (i), (ii), and (iii) is 100 mol%) is preferable from the viewpoint of stress absorption, stress relaxation, and flexibility.
- the structural unit (i) comprises 33 to 80 mol%, the structural unit (ii) 67 to 20 mol%, and the structural unit (iii) 0 to 10 mol% (provided that the structural unit (i), (ii)
- the 4-methyl-1-pentene / ⁇ -olefin copolymer (A2) has the above requirements (a) to (d) and the following requirement (e1): Fulfill.
- the 4-methyl-1-pentene / ⁇ -olefin copolymer composition (X) of the present invention comprises 5 to 95 parts by weight of the 4-methyl-1-pentene / ⁇ -olefin copolymer, and the 4-methyl A thermoplastic resin (B) other than -1-pentene / ⁇ -olefin copolymer (B) 5 to 95 parts by weight (provided that the total of the copolymer and (B) is 100 parts by weight)
- the copolymer is 5 parts by weight or more and 49 parts by weight or less
- the thermoplastic resin (B) is a crystal other than the 4-methyl-1-pentene / ⁇ -olefin copolymer.
- Olefin resin (B1) containing 95 parts by weight or more and 51 parts by weight or less (provided that the total of the copolymer and (B1) is 100 parts by weight), heat resistance, mechanical properties, toughness, It is preferable in terms of wear (X12, X22).
- the copolymer is from 50 parts by weight to 95 parts by weight
- the crystalline olefin resin (B1) is from 50 parts by weight to 5 parts by weight (however, (A) and (B )) Is preferable in terms of flexibility, stress absorption, stress relaxation, and mechanical properties (X11, X21).
- the 4-methyl-1-pentene / ⁇ -olefin copolymer composition (X11) contains 10 to 32 mol% of the structural unit (i), 68 to 90 mol% of the structural unit (ii), and the structural unit.
- (Iii) is composed of 0 to 10 mol% (provided that the total of structural units (i), (ii) and (iii) is 100 mol%), and satisfies at least the above requirements (a) to (d) 50 to 95 parts by weight of 4-methyl-1-pentene / ⁇ -olefin copolymer and 5 to 50 parts by weight of a thermoplastic resin (B) other than the 4-methyl-1-pentene / ⁇ -olefin copolymer Included (however, the total of the copolymer (A) and the thermoplastic resin (B) is 100 parts by weight) and satisfies the following requirement (j1).
- the structural unit (i) is 10 to 32 mol%, the structural unit (ii) is 68 to 90 mol%, and The structural unit (iii) is composed of 0 to 10 mol% (provided that the total of the structural units (i), (ii) and (iii) is 100 mol%), and at least the above requirements (a) to (d) 5 to 49 parts by weight of 4-methyl-1-pentene / ⁇ -olefin copolymer satisfying the above and 51 to 95 parts by weight of the thermoplastic resin (B) other than the 4-methyl-1-pentene / ⁇ -olefin copolymer Parts (however, the total of the copolymer (A) and the thermoplastic resin (B) is 100 parts by weight).
- the thermoplastic resin (B) is at least one crystalline olefin resin (B1) selected from polypropylene, poly-4-methyl-1-pentene, polyethylene, and polybutene. And when the following requirements (f) and (g) are satisfied, heat resistance, mechanical properties and toughness are preferred.
- (F) Softening temperature is 110 ° C to 250 ° C.
- the 4-methyl-1-pentene / ⁇ -olefin copolymer composition (X21) contains 33 to 80 mol% of the structural unit (i), 67 to 20 mol% of the structural unit (ii), and the structural unit.
- (Iii) is composed of 0 to 10 mol% (the total of structural units (i), (ii) and (iii) is 100 mol%), and satisfies at least the above requirements (a) to (d) 4 ⁇ 50 to 95 parts by weight of a methyl-1-pentene / ⁇ -olefin copolymer and 5 to 50 parts by weight of a thermoplastic resin (B) other than the 4-methyl-1-pentene / ⁇ -olefin copolymer ( However, the total of the copolymer (A) and the thermoplastic resin (B) is 100 parts by weight) and the following requirement (e2) is satisfied.
- the Shore A hardness value difference ⁇ HS immediately after the start of the needle contact and 15 seconds after the start of the needle contact is in the range of 10 to 50, or immediately after the start of the needle contact and 15 seconds from the start of the needle contact.
- the later Shore D hardness value difference ⁇ HS ranges from 5 to 50.
- the copolymer is 50 to 95 parts by weight, and the crystalline olefin resin (B1) is 50 to 5 parts by weight (provided that the copolymer and ( B1) is preferably 100 parts by weight) in terms of flexibility, stress relaxation, and mechanical properties.
- the structural unit (i) is 33 to 80 mol%, the structural unit (ii) is 67 to 20 mol%, and The structural unit (iii) is 0 to 10 mol% (the total of the structural units (i), (ii) and (iii) is 100 mol%), and satisfies at least the requirements (a) to (d).
- thermoplastic resin (B) other than the 4-methyl-1-pentene / ⁇ -olefin copolymer (However, the total of the copolymer (A) and the thermoplastic resin (B) is 100 parts by weight).
- the copolymer is 5 to 49 parts by weight, and the thermoplastic resin (B) is other than the 4-methyl-1-pentene / ⁇ -olefin copolymer.
- the crystalline olefin resin (B1) is 95 parts by weight or more and 51 parts by weight or less (provided that the total of the copolymer and (B1) is 100 parts by weight). It is preferable in terms of wear and toughness.
- the thermoplastic resin (B) is at least one crystalline olefin resin (B1) selected from polypropylene, poly-4-methyl-1-pentene, polyethylene, and polybutene. And when the following requirements (f) and (g) are satisfied, heat resistance, mechanical properties and toughness are preferred.
- (F) Softening temperature is 110 to 250 ° C, preferably 120 to 240 ° C.
- Tensile modulus (YM) is 300 to 2000 MPa, preferably 400 to 2000 MPa.
- the 4-methyl-1-pentene copolymer composition (Y) of the present invention comprises 50 to 98 parts by weight of a 4-methyl-1-pentene copolymer (AA) and a 4-methyl-1-pentene copolymer. 1-49 parts by weight of a crystalline olefin resin (BB) having a melting point other than (AA) of 100 ° C. or higher and an ⁇ -olefin system having a melting point other than 100 ° C.
- BB crystalline olefin resin
- the structural unit derived from 4-methyl-1-pentene is 5 to 95% by weight, and at least 1 selected from ⁇ -olefins having 2 to 20 carbon atoms excluding 4-methyl-1-pentene
- the structural unit derived from the ⁇ -olefin of the species or more is 5 to 95% by weight (provided that the total amount of the structural unit in the copolymer (AA) is 100% by weight).
- the ratio (Mw / Mn) of the weight average molecular weight (Mw) and the number average molecular weight (Mn) measured by gel permeation chromatography (GPC) is 1.0 to 3.5.
- the structural unit derived from 4-methyl-1-pentene is 10 to 90% by weight, and at least 1 selected from ⁇ -olefins having 2 to 20 carbon atoms excluding 4-methyl-1-pentene 10 to 90% by weight of structural units derived from ⁇ -olefins of at least species (provided that the total amount of structural units in the copolymer (AA) is 100% by weight).
- the copolymer (AA) is 50 to 96 parts by weight, preferably 50 to 90 parts by weight, and the resin (BB) is 2 to 45 parts by weight, preferably 5 to 45 parts by weight. Containing 2 to 45 parts by weight of the ⁇ -olefin copolymer (CC), preferably 5 to 45 parts by weight, and the copolymer (AA) satisfies the following requirement (c-1): It is preferable in terms of improving characteristics, stress absorbability, and vibration resistance.
- the structural unit derived from 4-methyl-1-pentene is 18 to 90% by weight, preferably 25 to 85% by weight, and has 2 to 20 carbon atoms excluding 4-methyl-1-pentene
- the structural unit derived from at least one ⁇ -olefin selected from ⁇ -olefin is 10 to 82% by weight, preferably 15 to 75% by weight (provided that the structural unit in the copolymer (AA) The total amount is 100% by weight).
- the difference ⁇ HS between the Shore A hardness immediately after the start of pressing needle contact and the Shore A hardness 15 seconds after the start of pressing needle contact is in the range of 10 to 50, or
- the difference ⁇ HS between the Shore D hardness immediately after the start of pressing needle contact and the Shore D hardness 15 seconds after the start of pressing needle contact is preferably in the range of 5-50.
- the crystalline olefin resin (BB) is at least one selected from polypropylene, poly-4-methyl-1-pentene, polyethylene, and polybutene in terms of mechanical properties. preferable.
- the crystalline olefin resin (B) is more preferably polypropylene from the viewpoint of mechanical properties.
- the copolymer composition (Y) is preferable in terms of mechanical properties when the ⁇ -olefin copolymer (CC) satisfies the following requirements (d-1) and (d-2).
- (D-1) 50 to 99% by weight of structural units derived from ethylene, propylene or butene-1 and 1 to 50% by weight of other structural units derived from ⁇ -olefins having 2 to 20 carbon atoms (However, the total amount of structural units in the copolymer (CC) is 100% by weight).
- the molded article of the present invention comprises the 4-methyl-1-pentene / ⁇ -olefin copolymer, the 4-methyl-1-pentene copolymer composition or the 4-methyl-1-pentene copolymer composition. Any one or more types are included.
- the 4-methyl-1-pentene / ⁇ -olefin copolymer according to the present invention, the composition containing the copolymer, and the molded product of the present invention are lightweight, flexible, stress-absorbing, stress-relaxing, damping It has excellent properties, scratch resistance, abrasion resistance, toughness, transparency, mechanical properties, moldability, mold release properties, etc., no stickiness during molding, and excellent balance.
- the 4-methyl-1-pentene / ⁇ -olefin copolymer (A) comprises 5 to 95 mol% of the structural unit (i) derived from 4-methyl-1-pentene, and 4-methyl-1 A structural unit derived from at least one ⁇ -olefin selected from ⁇ -olefins having 2 to 20 carbon atoms excluding -pentene (ii) 95 to 5 mol% and a structural unit derived from non-conjugated polyene (iii) 0 to 10 mol% (provided that the structural units (i), (ii) and (iii) are 100 mol%).
- the structural unit (i) is 10 to 90 mol%, more preferably 15 to 85 mol%, still more preferably 15 to 80 mol%, particularly preferably 15 to 75 mol%, and the structural unit (ii) Is a copolymer comprising 90 to 10 mol%, more preferably 85 to 15 mol%, still more preferably 85 to 20 mol%, particularly preferably 85 to 25 mol% (provided that the structural unit (i) and (Ii) is 100 mol%).
- “ ⁇ -olefin having 2 to 20 carbon atoms” does not include 4-methyl-1-pentene unless otherwise specified.
- copolymerization components may be contained within the range not impairing the object of the present invention, and these are also within the scope of the present invention.
- the copolymer (A) satisfies at least the following requirements (a) to (d).
- the copolymer (A) has (a) intrinsic viscosity [ ⁇ ] in decalin at 135 ° C. of 0.01 to 5.0 (dL / g), preferably 0.05 to 4.0 (dL / g). ), More preferably 0.1 to 3.0 (dL / g), and still more preferably 0.5 to 2.5 (dL / g). If a catalyst described later is used, a polymer can be obtained without impairing the molecular weight distribution. Further, as described later, when hydrogen is used in combination during the polymerization, the molecular weight can be controlled, and a low molecular weight body to a high molecular weight body can be obtained freely.
- the copolymer (A) has a ratio (Mw / Mn) of (b) weight average molecular weight (Mw) and number average molecular weight (Mn) measured by gel permeation chromatography (GPC) of 1.0 to The range is 3.5, preferably 1.5 to 3.0, and more preferably 1.5 to 2.5. If the value of Mw / Mn is large, there is a concern about the influence of the composition distribution and low molecular weight polymer, and there is a risk that the mechanical properties, moldability, and wear resistance of the polymer will not be exhibited, and there will be stickiness during molding, causing problems. .
- the value of Mw / Mn is in the range of 1.0 to 3.5, it is advantageous for developing the above characteristics and is industrially valuable. If the catalyst mentioned later is used, the polymer which the value of Mw / Mn is in the said range can be obtained, without impairing molecular weight.
- a 4-methyl-1-pentene / ⁇ -olefin copolymer having a wide molecular weight distribution is required depending on the application, polymers having different molecular weights are blended or a multistage polymerization method is used.
- the copolymer (A) is extracted with methyl acetate in an amount of 0 to 1.5% by weight, preferably 0 to 1.0% by weight, more preferably 0 to 0.8% by weight, particularly preferably 0 to 0. 6% by weight.
- the amount of methyl acetate extracted becomes an index of stickiness during molding. When this value is large, the obtained polymer has a large composition distribution and contains a low molecular weight polymer, causing problems during molding. When the methyl acetate extraction amount is within the above range, there is no problem due to stickiness during molding.
- the copolymer (A) preferably has a weight average molecular weight (Mw) determined by gel permeation chromatography (GPC) of 500 to 10,000,000 in terms of polystyrene, more preferably 1,000 to 5 1,000,000. More preferably, it is 1,000 to 2,500,000.
- Mw weight average molecular weight determined by gel permeation chromatography
- the copolymer (A) preferably has a parameter B value indicating the randomness of the chain distribution of the copolymerization monomer, as measured by 13 C-NMR, of 0.9 to 1.5, more preferably 0.9. To 1.3, more preferably 0.9 to 1.2.
- the parameter B value is within the above range, the randomness of the chain distribution of the monomer in the polymer is good and the composition distribution in the polymer is lost, for example, transparency, flexibility, stress absorption, stress relaxation Excellent.
- the copolymer (A) has (c) a tensile elastic modulus (YM) of 0.1 to 1000 MPa, preferably 0.1 to 500 MPa, more preferably 0.1 to 300 MPa, and further preferably 0.1 to 200 MPa. is there.
- a tensile elastic modulus 0.1 to 1000 MPa, preferably 0.1 to 500 MPa, more preferably 0.1 to 300 MPa, and further preferably 0.1 to 200 MPa. is there.
- tensile modulus is in the above range, for example, mechanical properties, toughness, flexibility and stress absorption are excellent.
- the copolymer (A) has (d) a melting point (Tm) measured by DSC of less than 110 ° C. or not, more preferably less than 100 ° C. or not, more preferably less than 85 ° C. or not. .
- Tm melting point measured by DSC
- the melting point of the copolymer (A) can be arbitrarily changed depending on the comonomer type and comonomer composition. When the melting point is within the above range, the flexibility and toughness are excellent.
- the copolymer (A) has a density measured according to ASTM D 1505 (in-water substitution method), preferably 0.810 to 0.850 g / cm 3 , more preferably 0.820 to 0.850 g / cm 3 , More preferably, it is 0.830 to 0.850 g / cm 3 .
- the copolymer (A) preferably satisfies the following requirements (c1) and (e).
- the tensile modulus (YM) is 0.1 to 300 MPa, preferably 0.1 to 250 MPa, more preferably 0.3 to 200 MPa. When the tensile modulus is in the above range, the mechanical properties, toughness, flexibility and stress absorption are excellent.
- the rate of change ⁇ HS immediately after the measurement of Shore A hardness and 15 seconds after the measurement is 10 to 50, preferably 15 to 50, and more preferably 20 to 50.
- the change rate of Shore A hardness is calculated
- ⁇ HS (Shore A hardness value after 15 seconds of measurement ⁇ Shore A hardness value immediately after measurement)
- ⁇ HS can be arbitrarily changed depending on the comonomer type and comonomer composition. When ⁇ HS is within the above range, the stress absorption and stress relaxation properties are excellent.
- the structural unit (i) derived from 4-methyl-1-pentene is 5 to 50 mol%, preferably 10 to 32 mol%, and ⁇ -C 2 -C 20 excluding 4-methyl-1-pentene.
- the structural unit (ii) derived from at least one ⁇ -olefin selected from olefins is 50 to 95 mol%, preferably 68 to 90 mol%, and the structural unit (iii) derived from non-conjugated polyene is 0 to 10 Mol%, preferably 0 to 5 mol% (provided that the total of the structural units (i), (ii) and (iii) is 100 mol%) and satisfies at least the above requirements (a) to (d)
- 4-methyl-1-pentene / ⁇ -olefin copolymer (A1) satisfying the following requirement (j) is preferable because of excellent stress absorption and flexibility.
- the structural unit (i) is 5 to 50 mol%, preferably 5 to 48 mol%, and the structural unit (ii) is 49.9 to 94.9 mol%, preferably 47.9 to 94.9 mol% and the structural unit (iii) is 0.1 to 10 mol%, preferably 0.1 to 5 mol%, more preferably 0.1 to 4.1 mol% ( However, when the total of the structural units (i), (ii) and (iii) is 100 mol%), at least the above requirements (a) to (d) are satisfied and the following requirement (jj) is satisfied, It is preferable because of its excellent properties and flexibility.
- the copolymer (A1) has a rebound resilience of 0 to 25%, preferably 0 to 0 when a 16.310 g rigid sphere is dropped from a height of 460 mm at room temperature of 25 ° C.
- a range of 20%, more preferably 0 to 15% is more preferable from the viewpoint of stress absorption.
- the structural unit (i) derived from 4-methyl-1-pentene is 10% by weight or more and 67% by weight or less, preferably A structural unit derived from at least one ⁇ -olefin selected from ⁇ -olefins having 2 to 20 carbon atoms, excluding 4-methyl-1-pentene, which is 18 wt% or more and 49 wt% or less (ii) Is 33% by weight or more and 90% by weight or less, preferably 51% by weight or more and 82% by weight or less, and the structural unit (iii) derived from the non-conjugated polyene is preferably 0 to 23% by weight (provided that The total of the structural units (i), (ii) and (iii) is 100% by weight).
- the structural unit (i) is 33 to 80 mol%, preferably 50 to 75 mol%, the structural unit (ii) is 67 to 20 mol%, preferably 50 to 25 mol%, and the structural unit (iii ) Is 0 to 10 mol%, preferably 0 to 5 mol% (provided that the total of the structural units (i), (ii) and (iii) is 100 mol%)), at least the above-mentioned requirement (a) 4-methyl-1-pentene / ⁇ -olefin copolymer (A2) satisfying (d) and further satisfying at least one of Shore A hardness and D hardness in the following requirement (e1) is stress relaxation property. It is preferable because it is excellent.
- the difference ⁇ HS of the Shore A hardness value immediately after the start of pressing needle contact and 15 seconds after the start of pressing needle contact is in the range of 15-50, preferably 20-50, more preferably 23-50, Or
- the difference ⁇ HS between Shore D hardness immediately after the start of pressing needle contact and Shore D hardness 15 seconds after the start of pressing needle contact is 5-50.
- the range is preferably 8 to 50, more preferably 10 to 50.
- the gloss change rate of the copolymer (A2) in the wear from vibration is 0 to 13, preferably 0 to 10.
- the 4-methyl-1-pentene / ⁇ -olefin copolymer (A3) according to the present invention satisfies at least the above requirements (a) to (d), the structural unit (i) is 5 to 95 mol%, The structural unit (ii) is 94.9 to 4.9 mol%, and the structural unit (iii) is 0.1 to 10 mol% (provided that the total of the structural units (i), (ii) and (iii) is 100 mol%).
- the structural unit (i) is preferably 10 to 90 mol%, more preferably 15 to 85 mol%, still more preferably 15 to 70 mol%, and the structural unit (ii) is preferably 89.9 to 2 mol%. %, More preferably 84.7 to 8 mol%, still more preferably 84.5 to 25 mol%, and the structural unit derived from non-conjugated polyene is preferably 0.1 to 8 mol%, more preferably 0.3. -7 mol%, more preferably 0.5-5 mol% (provided that the total of structural units (i), (ii) and (iii) is 100 mol%).
- the melting point (d) of the 4-methyl-1-pentene / ⁇ -olefin copolymer (A3) can be arbitrarily changed depending on the comonomer type and comonomer composition. When the melting point is within the above range, flexibility and toughness Excellent.
- the ⁇ -olefin having 2 to 20 carbon atoms used in the 4-methyl-1-pentene / ⁇ -olefin copolymer is, for example, linear or Examples include branched ⁇ -olefins, cyclic olefins, aromatic vinyl compounds, conjugated dienes, and functionalized vinyl compounds.
- the ⁇ -olefin does not contain a non-conjugated polyene.
- the linear ⁇ -olefin has 2 to 20, preferably 2 to 15, and more preferably 2 to 10 carbon atoms.
- Ethylene, propylene, 1-butene, 1-pentene, 1-hexene, 1-hexene examples include octene, 1-decene, 1-undecene, 1-dodecene, 1-tetradecene, 1-hexadecene, 1-octadecene, 1-eicosene, and the like, preferably ethylene, propylene, 1-butene, 1-pentene, 1-pentene, etc. Hexene, 1-octene.
- the branched ⁇ -olefin preferably has 5 to 20 carbon atoms, more preferably 5 to 15 carbon atoms, and includes 3-methyl-1-butene, 3-methyl-1-pentene, and 3-ethyl-1-pentene. 4,4-dimethyl-1-pentene, 4-methyl-1-hexene, 4,4-dimethyl-1-hexene, 4-ethyl-1-hexene, 3-ethyl-1-hexene and the like.
- the cyclic olefin has 3 to 20 carbon atoms, preferably 5 to 15 carbon atoms, and examples thereof include cyclopentene, cyclohexene, cycloheptene, norbornene, 5-methyl-2-norbornene, tetracyclododecene, and vinylcyclohexane.
- Aromatic vinyl compounds include styrene, ⁇ -methylstyrene, o-methylstyrene, m-methylstyrene, p-methylstyrene, o, p-dimethylstyrene, o-ethylstyrene, m-ethylstyrene, p-ethylstyrene. And mono- or polyalkyl styrene.
- the conjugated diene has 4 to 20 carbon atoms, preferably 4 to 10 carbon atoms.
- Examples of functionalized vinyl compounds include hydroxyl group-containing olefins, halogenated olefins, (meth) acrylic acid, propionic acid, 3-butenoic acid, 4-pentenoic acid, 5-hexenoic acid, 6-heptenoic acid, 7-octenoic acid, Unsaturated carboxylic acids such as 8-nonenoic acid, 9-decenoic acid and 10-undecenoic acid, unsaturated amines such as allylamine, 5-hexenamine and 6-heptenamine, (2,7-octadienyl) succinic anhydride, penta Propenyl succinic anhydride, unsaturated carboxylic acid anhydride such as anhydride obtained from the above unsaturated carboxylic acid, unsaturated carboxylic acid halide such as halide obtained from the above unsaturated carboxylic acid, 4-epoxy-1 -Butene, 5-epoxy-1-pentene, 6-epoxy
- the hydroxyl group-containing olefin is not particularly limited as long as it is a hydroxyl group-containing olefin compound, and examples thereof include terminal hydroxylated olefin compounds.
- the terminal hydroxylated olefin compounds include vinyl alcohol, allyl alcohol, hydroxyl-1-butene, hydroxyl-1-pentene, hydroxyl-1-hexene, hydroxyl-1-octene, hydroxyl-1-decene, 2 to 20 carbon atoms such as hydroxyl-1-undecene, hydroxyl-1-dodecene, hydroxyl-1-tetradecene, hydroxyl-1-hexadecene, hydroxyl-1-octadecene, hydroxyl-1-eicocene, Preferably 2 to 15 linear hydroxylated ⁇ -olefin, hydroxylated 3-methyl-1-butene, hydroxylated 3-methyl-1-pentene, hydroxylated 4-methyl
- the halogenated olefin is a halogenated- ⁇ -olefin having a group 17 atom of the periodic table such as chlorine, bromine, iodine, etc., and is vinyl halide, halogenated-1-butene, halogenated-1-pentene, halogen -1-hexene, halogenated-1-octene, halogenated-1-decene, halogenated-1-dodecene, halogenated-1-undecene, halogenated-1-tetradecene, halogenated-1-hexadecene, halogenated 1-octadecene, halogenated-1-eicosene, etc., a straight-chain halogenated- ⁇ -olefin having 2 to 20 carbon atoms, preferably 2-15, halogenated-3-methyl-1-butene, halogen 4-methyl-1-pentene, halogenated-3-methyl-1
- the ⁇ -olefin may be used alone or in combination of two or more.
- ethylene, propylene, 1-butene, 1-pentene, 1-hexene, 3-methyl-1-butene, 3-methyl-1-pentene, 1-octene, 1-decene, 1-undecene, 1-dodecene, 1-tetradecene, 1-hexadecene, 1-octadecene, 1-eicocene, norbornene, 5-methyl-2-norbornene, tetracyclododecene and hydroxyl-1-undecene are preferred.
- non-conjugated polyenes may be combined as necessary.
- Non-conjugated polyene has 5 to 20 carbon atoms, preferably 5 to 10 carbon atoms, and is 1,4-pentadiene, 1,4-hexadiene, 1,5-hexadiene, 1,4-octadiene, 1,5-octadiene.
- non-conjugated polyene 5-vinylidene-2-norbornene and 5-ethylidene-2-norbornene are suitable.
- copolymerization components may be contained within the range not impairing the object of the present invention, and these are also within the scope of the present invention.
- a linear ⁇ -olefin having 2 to 10 carbon atoms is preferable from the viewpoint of flexibility, stress absorption, stress relaxation, etc., and ethylene, propylene, 1-butene, 1-pentene, 1-hexene and 1-octene are more preferable, and ethylene and propylene are more preferable, and propylene is particularly preferable in that high stress absorption and polyolefin modification properties can be obtained.
- the 4-methyl-1-pentene copolymer (AA) comprises (a-1) 5 to 95% by weight of a structural unit (i) derived from 4-methyl-1-pentene, and 4-methyl- 1 to 5% by weight of a structural unit (ii) derived from at least one ⁇ -olefin selected from ⁇ -olefins having 2 to 20 carbon atoms excluding 1-pentene (provided that the structural unit (i) And (ii) is 100% by weight).
- the structural unit (i) is 10 to 90% by weight, more preferably 18 to 90% by weight, still more preferably 25 to 90% by weight, most preferably 30 to 85%. % By weight, particularly preferably 40 to 85% by weight, and the structural unit (ii) 10 to 90% by weight, more preferably 10 to 82% by weight, further preferably 10 to 75% by weight, and most preferably 15 to 70% by weight. Particularly preferred is 15 to 60% by weight (provided that the total of the structural units (i) and (ii) is 100% by weight).
- the copolymer (AA) may contain other copolymerization components as long as the object of the present invention is not impaired, and these embodiments are also within the scope of the present invention.
- the copolymer (AA) has (a-2) intrinsic viscosity [ ⁇ ] in decalin at 135 ° C. of 0.01 to 5.0 (dL / g), preferably 0.05 to 4.0 ( dL / g), more preferably 0.1 to 3.0 (dL / g), and still more preferably 0.5 to 2.5 (dL / g). If a catalyst described later is used, a polymer can be obtained without impairing the molecular weight distribution. Further, as described later, when hydrogen is used in combination during the polymerization, the molecular weight can be controlled, and a low molecular weight body to a high molecular weight body can be obtained freely.
- the copolymer (AA) has a ratio (Mw / Mn) of (a-3) weight average molecular weight (Mw) and number average molecular weight (Mn) measured by gel permeation chromatography (GPC): It is in the range of 0 to 3.5, preferably 1.5 to 3.0, more preferably 1.5 to 2.5.
- Mw / Mn weight average molecular weight
- Mn number average molecular weight measured by gel permeation chromatography
- a polymer having a Mw / Mn value within the above range can be obtained without impairing the molecular weight.
- a 4-methyl-1-pentene copolymer (AA) with a wide molecular weight distribution is required depending on the application, etc., it can be solved by blending polymers with different molecular weights or using a multistage polymerization method. be able to.
- the molecular weight of the copolymer (AA) is preferably such that the weight average molecular weight (Mw) determined by gel permeation chromatography (GPC) is 500 to 10,000,000 in terms of polystyrene, more preferably 1,000. ⁇ 5,000,000. More preferably, it is 1,000 to 2,500,000.
- Mw weight average molecular weight
- the copolymer (AA) has a difference (change rate) ⁇ HS between (b-2) Shore A hardness (according to JIS K6253, measured in the state of a press sheet having a thickness of 3 mm) and 15 seconds after measurement.
- a range of 10 to 50, preferably 15 to 50, and more preferably 20 to 50 is preferable in terms of stress absorption and stress relaxation.
- the copolymer (AA) preferably has (b-3) a melting point (Tm) measured by DSC of less than 110 ° C. or not, more preferably less than 100 ° C. or not, more preferably 85 ° C. Less than or not allowed.
- Tm melting point
- the melting point can be arbitrarily changed depending on the comonomer type and comonomer composition. When the melting point is within the above range, the flexibility and toughness are excellent.
- the copolymer (AA) has a maximum loss tangent tan ⁇ obtained by measuring dynamic viscoelasticity in a temperature range of ⁇ 70 ° C. to 180 ° C. at a frequency of 10 rad / s, and a temperature range of 0 ° C. to 40 ° C. And the maximum value of tan ⁇ is 0.5 or more, preferably 1.0 or more, more preferably 1.5 or more. If it is this range, since a copolymer is excellent in stress absorption, it is preferable.
- the linear ⁇ -olefin has 2 to 20 carbon atoms, preferably 2 to 15 carbon atoms, more preferably 2 to 10 carbon atoms.
- the branched ⁇ -olefin has 5 to 20 carbon atoms, preferably 5 to 15 carbon atoms, and includes 3-methyl-1-butene, 3-methyl-1-pentene, 3-ethyl-1-pentene, Examples include 4,4-dimethyl-1-pentene, 4-methyl-1-hexene, 4,4-dimethyl-1-hexene, 4-ethyl-1-hexene, 3-ethyl-1-hexene, and the like. *
- the cyclic olefin has 3 to 20 carbon atoms, preferably 5 to 15 carbon atoms, and examples thereof include cyclopentene, cyclohexene, cycloheptene, norbornene, 5-methyl-2-norbornene, tetracyclododecene, and vinylcyclohexane.
- the above can be referred to for the aromatic vinyl compound, conjugated diene, non-conjugated polyene, functionalized vinyl compound and the like.
- the ⁇ -olefin may be used alone or in combination of two or more.
- copolymerization components may be contained within the range not impairing the object of the present invention, and these are also within the scope of the present invention.
- a conventionally known catalyst for example, a magnesium-supported titanium catalyst, WO 01/53369 pamphlet, WO 01/027124 pamphlet, JP-A-3-193966 or A metallocene catalyst described in JP-A No. 02-41303 is preferably used. More preferably, an olefin polymerization catalyst containing a metallocene compound represented by the following general formula (1) or (2) is preferably used.
- R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 , R 11 , R 12 , R 13 , and R 14 are hydrogen, hydrocarbon group, selected from a silicon-containing hydrocarbon group, which may be the same as or different from each other, adjacent substituents of R 1 to R 4 may be bonded to each other to form a ring, from R 5 R Up to 12 adjacent substituents may be joined together to form a ring;
- A is a divalent hydrocarbon group having 2 to 20 carbon atoms which may partially contain an unsaturated bond and / or an aromatic ring, and A is two or more rings including a ring formed with Y May contain structure, M is a metal selected from Group 4 of the periodic table, Y is carbon or silicon;
- Q is selected from the same or different combinations from halogen, hydrocarbon groups, anionic ligands or neutral ligands capable of coordinating with a lone pair,
- R 14 is selected from hydrogen, a hydrocarbon group, and a silicon-containing hydrocarbon group, and may be the same or different.
- the hydrocarbon group is preferably an alkyl group having 1 to 20 carbon atoms, an arylalkyl group having 7 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms, or an alkylaryl group having 7 to 20 carbon atoms. Yes, it may contain one or more ring structures. Further, a part or all of the hydrocarbon group may be substituted with a functional group such as a hydroxyl group, an amino group, a halogen group, or a fluorine-containing hydrocarbon group.
- the silicon-containing hydrocarbon group is preferably an alkylsilyl group or arylsilyl group having 1 to 4 silicon atoms and 3 to 20 carbon atoms, and specific examples thereof include trimethylsilyl, tert-butyldimethylsilyl, triphenylsilyl. Etc.
- Adjacent substituents from R 5 to R 12 on the fluorene ring may be bonded to each other to form a ring.
- substituted fluorenyl groups include benzofluorenyl, dibenzofluorenyl, octahydrodibenzofluorenyl, octamethyloctahydrodibenzofluorenyl and the like.
- R 13 and R 14 in the general formula (1) are selected from hydrogen and a hydrocarbon group, and may be the same or different from each other. Specific examples of preferred hydrocarbon groups include the same as those described above.
- Y is carbon or silicon.
- R 13 and R 14 are bonded to Y to form a substituted methylene group or a substituted silylene group as a bridging part.
- Preferred examples include, for example, methylene, dimethylmethylene, diisopropylmethylene, methyl tert-butylmethylene, dicyclohexylmethylene, methylcyclohexylmethylene, methylphenylmethylene, fluoromethylphenylmethylene, chloromethylphenylmethylene, diphenylmethylene, dichlorophenylmethylene, difluorophenyl.
- Methylene methylnaphthylmethylene, dibiphenylmethylene, di-p-methylphenylmethylene, methyl-p-methylphenylmethylene, ethyl-p-methylphenylmethylene, dinaphthylmethylene or dimethylsilylene, diisopropylsilylene, methyl-tert-butylsilylene, Dicyclohexylsilylene, methylcyclohexylsilylene, methylphenylsilylene, fluoro Chill silylene, chloromethyl silylene, diphenyl silylene, mention may be made of di-p- methylphenyl silylene, methyl -p- methylphenyl silylene, ethyl -p- methylphenyl silylene, methyl naphthyl silylene, a dinaphthyl silylene like.
- Y is bonded to a divalent hydrocarbon group A having 2 to 20 carbon atoms which may partially contain an unsaturated bond and / or an aromatic ring, and a cycloalkylidene group or It constitutes a cyclomethylenesilylene group and the like.
- Preferable specific examples include, for example, cyclopropylidene, cyclobutylidene, cyclopentylidene, cyclohexylidene, cycloheptylidene, bicyclo [3.3.1] nonylidene, norbornylidene, adamantylidene, tetrahydronaphthylidene, dihydroin Examples thereof include danylidene, cyclodimethylenesilylene, cyclotrimethylenesilylene, cyclotetramethylenesilylene, cyclopentamethylenesilylene, cyclohexamethylenesilylene, cycloheptamethylenesilylene, and the like.
- M is a metal selected from Group 4 of the periodic table, and examples of M include titanium, zirconium, and hafnium.
- Q is selected from the same or different combinations from halogen, a hydrocarbon group having 1 to 20 carbon atoms, an anionic ligand, or a neutral ligand capable of coordinating with a lone pair of electrons.
- halogen include fluorine, chlorine, bromine, and iodine.
- hydrocarbon group include the same as those described above.
- anionic ligand include alkoxy groups such as methoxy, tert-butoxy and phenoxy, carboxylate groups such as acetate and benzoate, and sulfonate groups such as mesylate and tosylate.
- organophosphorus compounds such as trimethylphosphine, triethylphosphine, triphenylphosphine, diphenylmethylphosphine, tetrahydrofuran, diethyl ether, dioxane, and 1,2-dimethoxy.
- ethers such as ethane.
- Q may be the same or different combinations, but at least one is preferably a halogen or an alkyl group.
- metallocene compound in the present invention examples include compounds exemplified in International Publication No. 01/027124, International Publication No. 2006/025540, or International Publication No. 2007/308607, In particular, this does not limit the scope of the present invention.
- the catalyst component is: (A) a metallocene compound (for example, a metallocene compound represented by the above general formula (1) or (2)), (B) (B-1) Organoaluminum compound, (B-2) an organoaluminum oxy compound, and (B-3) at least one compound selected from compounds that react with the metallocene compound (A) to form an ion pair; If necessary, (C) It is comprised from a particulate carrier.
- a metallocene compound for example, a metallocene compound represented by the above general formula (1) or (2)
- B (B-1) Organoaluminum compound, (B-2) an organoaluminum oxy compound, and (B-3) at least one compound selected from compounds that react with the metallocene compound (A) to form an ion pair; If necessary, (C) It is comprised from a particulate carrier.
- a production method for example, the method described in WO 01/027124 can be employed.
- an organoaluminum compound (B) and the particulate carrier (C) are those conventionally known in the field of olefin polymerization as these compounds or carriers, for example, described in WO 01/027124. Specific examples are given.
- the polymerization can be carried out by either a liquid phase polymerization method such as solution polymerization or suspension polymerization or a gas phase polymerization method.
- an inert hydrocarbon solvent may be used.
- aliphatic hydrocarbons such as propane, butane, pentane, hexane, heptane, octane, decane, dodecane, and kerosene; cyclopentane, Cycloaliphatic hydrocarbons such as cyclohexane, methylcyclopentane and methylcyclohexane; aromatic hydrocarbons such as benzene, toluene and xylene; aromatic hydrocarbons such as benzene, toluene and xylene; ethylene chloride, chlorobenzene, dichloromethane, trichloromethane, Mention may be made of halogenated hydrocarbons such as tetrachloromethane, and mixtures thereof.
- the component (A) is usually 10 ⁇ 8 to 10 ⁇ 2 mol, preferably 10 ⁇ 7 to 10 ⁇ 3 mol in terms of Group 4 metal atom in the periodic table per liter of reaction volume. Used in various amounts.
- Component (B-1) has a molar ratio [(B-1) / M] of component (B-1) to transition metal atom (M) in component (A) of usually 0.01 to 5000, Preferably, it is used in an amount of 0.05 to 2000.
- Component (B-2) has a molar ratio [(B-2) / M] of component (B-2) to transition metal atom (M) in component (A) of usually 10 to 5000, preferably The amount used is 20-2000.
- Component (B-3) has a molar ratio [(B-3) / M] of component (B-3) to transition metal atom (M) in component (A) usually from 1 to 10, preferably The amount used is 1 to 5.
- the polymerization temperature is usually in the range of ⁇ 50 to 200 ° C., preferably 0 to 150 ° C., more preferably 20 to 100 ° C.
- the polymerization pressure is usually from normal pressure to 10 MPa gauge pressure, preferably from normal pressure to 5 MPa gauge pressure, and the polymerization reaction can be carried out by any of batch, semi-continuous and continuous methods. Furthermore, the polymerization can be performed in two or more stages having different reaction conditions.
- hydrogen may be added for the purpose of controlling the molecular weight and polymerization activity of the produced polymer, and the amount is about 0.001 to 100 NL per 1 kg of the copolymer.
- a part of the copolymer according to the present invention may be graft-modified with a polar monomer.
- polar monomers include hydroxyl group-containing ethylenically unsaturated compounds, amino group-containing ethylenically unsaturated compounds, epoxy group-containing ethylenically unsaturated compounds, aromatic vinyl compounds, unsaturated carboxylic acids or derivatives thereof, and vinyl ester compounds.
- an unsaturated carboxylic acid or a derivative thereof and a vinyl group-containing organosilicon compound are particularly preferable.
- unsaturated carboxylic acids or derivatives thereof include unsaturated compounds having one or more carboxylic acid groups, esters of compounds having carboxylic acid groups and alkyl alcohols, unsaturated compounds having one or more carboxylic anhydride groups, and the like.
- unsaturated group include a vinyl group, a vinylene group, and an unsaturated cyclic hydrocarbon group. Conventionally known compounds can be used for these compounds and are not particularly limited.
- Such derivatives include methyl acrylate, methyl methacrylate, dimethyl maleate, monomethyl maleate, dimethyl fumarate, dimethyl itaconate, diethyl citraconic acid, dimethyl tetrahydrophthalate, dimethyl nadic acid (endocis-bicyclo [2 , 2,1] hept-5-ene-2,3-dicarboxylate), maleyl chloride, maleimide, maleic anhydride, citraconic anhydride, monomethyl maleate, dimethyl maleate, glycidyl maleate and the like.
- These unsaturated carboxylic acids and derivatives thereof can be used singly or in combination of two or more. Of these, unsaturated dicarboxylic acids or acid anhydrides thereof are preferred, and maleic acid, nadic acid [trademark] or acid anhydrides thereof are particularly preferably used.
- vinyl group-containing organosilicon compound conventionally known compounds can be used and are not particularly limited. Specifically, vinyltriethoxysilane, vinyltrimethoxysilane, vinyltris ( ⁇ -methoxy-ethoxysilane), ⁇ -glycidoxypropyl-tripril trimethoxysilane, ⁇ -aminopropyltriethoxysilane, ⁇ -methacryloxy Propyltrimethoxysilane, 2- (3,4-epoxycyclohexyl) ethyltrimethoxysilane, 3-glycidoxypropyltrimethoxysilane, 3-glycidoxypropylmethylethoxysilane, p-styryltrimethoxysilane, 3-meta Cloxypropylmethyldimethylmethoxysilane, 3-methacryloxypropylmethyldiethoxysilane, 3-methacryloxypropyltriethoxysilane, 3-acryloxypropyltrimeth
- the polar monomer is usually used in an amount of 1 to 100 parts by weight, preferably 5 to 80 parts by weight, based on 100 parts by weight of the copolymer according to the present invention.
- the polar monomer can be used alone or in combination of two or more.
- This graft polymerization is usually carried out in the presence of a radical initiator.
- radical initiator an organic peroxide or an azo compound can be used.
- the radical initiator can be used as it is mixed with the copolymer and the polar monomer, but can also be used after being dissolved in a small amount of an organic solvent. Any organic solvent that can dissolve the radical initiator can be used without particular limitation.
- a reducing substance may be used.
- the graft amount of the polar monomer can be improved.
- Graft modification can be performed by a conventionally known method.
- the copolymer is dissolved in an organic solvent, and then a polar monomer and a radical initiator are added to the solution, and the temperature is 60 to 200 ° C., preferably 80 to 260 ° C.
- the reaction can be carried out at a temperature for 0.5 to 15 hours, preferably 1 to 10 hours.
- it can be produced by reacting a copolymer and a polar monomer in the absence of a solvent using an extruder or the like. This reaction is usually carried out at a temperature not lower than the melting point of the ethylene polymer, specifically at a temperature of 120 to 250 ° C., usually for 0.5 to 10 minutes.
- the amount of modification of the copolymer obtained above (the graft amount of the polar monomer) is usually 0.1 to 50% by weight, preferably 0.2 to 30% by weight, more preferably 0.2 to 10% by weight. is there.
- the copolymer contains a graft-modified copolymer
- the adhesiveness and compatibility with other resins are excellent, and the wettability of the molded body surface can be improved.
- the graft-modified copolymer can be suitably used for a crosslinked electric wire and a crosslinked pipe by crosslinking.
- the crosslinking agent is not particularly limited, and examples thereof include sulfur, organic peroxides, SiH group-containing compounds, and the like.
- crosslinking agent examples include organic peroxides such as dicumyl peroxide and 2,5-dimethyl-2,5-tert-butylperoxyhexyne, sulfur, morpholine disulfide, and the like. It can be used in combination with agents such as stearic acid and zinc oxide.
- the amount is preferably 0.1 to 10 parts by weight with respect to 100 parts by weight of the copolymer.
- the amount is preferably 0.05 to 15 parts by weight with respect to 100 parts by weight of the copolymer.
- the amount is 0.2 to 20 parts by weight, preferably 0.5 to 10 parts by weight, and most preferably 0.5 to 5 parts by weight with respect to 100 parts by weight of the copolymer.
- you may add a silane coupling agent and / or reaction inhibitor as a catalyst and arbitrary components.
- the copolymer may be blended with a nucleating agent in order to further improve its moldability, that is, to increase the crystallization temperature and increase the crystallization speed.
- a nucleating agent dibenzylidene sorbitol nucleating agent, phosphate ester nucleating agent, rosin nucleating agent, benzoic acid metal salt nucleating agent, fluorinated polyethylene, 2,2-methylenebis (4,6-di-t -Butylphenyl) sodium phosphate, pimelic acid and its salt, 2,6-naphthalene dicarboxylic acid dicyclohexylamide and the like.
- the blending amount is not particularly limited, but is preferably 0.1 to 1 part by weight with respect to 100 parts by weight of the copolymer.
- the nucleating agent can be appropriately added during polymerization, after polymerization, or during molding.
- the copolymer according to the present invention includes a weather resistance stabilizer, a heat resistance stabilizer, an antistatic agent, an anti-slip agent, an anti-blocking agent, a foaming agent, a crystallization aid, if necessary, as long as the object of the invention is not impaired.
- Antifogging agent (transparent) nucleating agent, lubricant, pigment, dye, plasticizer, anti-aging agent, hydrochloric acid absorbent, antioxidant, release agent, impact modifier, anti-UV agent (ultraviolet absorber), Additives such as a filler, a crosslinking agent, a co-crosslinking agent, a crosslinking aid, an adhesive, a softening agent, a flame retardant, and a processing aid may be blended.
- the additive include, for example, 2,6-di-t-butyl-p-cresol, tetrakis [methylene-3- (3,5-di-t-butyl-4-hydroxyphenyl) propionate] methane, 4,4'-butylidenebis (6-t-butyl-m-cresol), tocopherols, ascorbic acid, dilauryl thiodipropionate, phosphate stabilizer, fatty acid monoglyceride, N, N- [bis-2-hydroxy Ethyl] alkylamine, 2- (2′-hydroxy-3 ′, 5′-di-t-butylphenyl) -5-chlorobenzotriazole, calcium stearate, magnesium oxide, magnesium hydroxide, alumina, aluminum hydroxide, silica , Clay, gypsum, glass fiber, titania, calcium carbonate, carbon black.
- 2,6-di-t-butyl-p-cresol tetrakis
- a conventionally known softener can be used.
- petroleum-based substances such as process oil, lubricating oil, paraffins, liquid paraffin, polyethylene wax, polypropylene wax, petroleum asphalt and petroleum jelly; coal tars such as coal tar and coal tar pitch; castor oil and linseed oil Fatty oils such as rapeseed oil, soybean oil and coconut oil; waxes such as tall oil, beeswax, carnauba wax and lanolin; ricinoleic acid, palmitic acid, stearic acid, 12-hydroxystearic acid, montanic acid, oleic acid and Fatty acids such as erucic acid or metal salts thereof; synthetic polymers such as petroleum resins, coumarone indene resins and atactic polypropylene; ester plasticizers such as dioctyl phthalate, dioctyl adipate and dioctyl sebacate; other microcris Phosphor
- the 4-methyl-1-pentene / ⁇ -olefin copolymer composition (X) comprises 5 to 95 parts by weight of the 4-methyl-1-pentene / ⁇ -olefin copolymer, preferably 10 To 90 parts by weight, more preferably 20 to 80 parts by weight, and 95 to 5 parts by weight, preferably 90 to 10 parts by weight, and more preferably 80 to 20 parts by weight (provided that A) and (B) are 100 parts by weight in total).
- A) and (B) are 100 parts by weight in total.
- the 4-methyl-1-pentene / ⁇ -olefin copolymer composition (X11) or (X12) satisfies at least the requirements (a) to (d), and the structural unit (i) is 10 to 32. Mol%, preferably 15 to 32 mol%, the structural unit (ii) is 68 to 90 mol%, preferably 68 to 85 mol%, and the structural unit (iii) is 0 to 10 mol% (provided that 4-methyl-1-pentene / ⁇ -olefin copolymer) and the thermoplastic resin (B) in the above proportions, wherein the total of structural units (i), (ii) and (iii) is 100 mol%) contains.
- the copolymer composition (X11) is 50 parts by weight or more and 95 parts by weight or less, preferably 55 parts by weight or more and 90 parts by weight or less, more preferably 60 parts by weight, in terms of flexibility and mechanical properties.
- Parts by weight to 80 parts by weight and thermoplastic resin (B) to be described later 5 parts by weight to 50 parts by weight, preferably 10 parts by weight to 45 parts by weight, more preferably 20 parts by weight to 40 parts by weight (however, The total of (A) and (B) is preferably 100 parts by weight.
- the copolymer composition (X11) satisfies the following requirement (j1) because of excellent stress absorption.
- the maximum value of loss tangent tan ⁇ obtained by measuring dynamic viscoelasticity in the temperature range of ⁇ 70 ° C. to 180 ° C. at a frequency of 10 rad / s is ⁇ 70 ° C. to 180 ° C., preferably ⁇ 50 to 40 ° C. More preferably, it is in the range of ⁇ 20 to 40 ° C., and the maximum value of tan ⁇ is 0.4 or more, preferably 0.4 to 5.0, more preferably 0.5 to 5.0, still more preferably 0. It is in the range of 7 to 5.0.
- the copolymer composition (X11) preferably satisfies the following requirement (e1) because it has flexibility and mechanical properties.
- the rate of change ⁇ HS immediately after the measurement of Shore A hardness and 15 seconds after the measurement is 5 to 50, preferably 8 to 50.
- the copolymer is 5 parts by weight or more and less than 49 parts by weight, preferably 5 parts by weight or more and less than 40 parts by weight, more preferably 10 parts by weight or more and less than 30 parts by weight.
- the thermoplastic resin (B) described later contains 51 parts by weight or more and 95 parts by weight or less, preferably 60 parts by weight or more and 95 parts by weight or less, more preferably 70 parts by weight or more and 90 parts by weight or less. It is preferable in terms of physical properties (however, the total amount of the copolymer and the thermoplastic resin (B) is 100 parts by weight).
- copolymer composition (X12) preferably satisfies the following requirements.
- the softening temperature is in the range of 100 ° C to 250 ° C, preferably 105 ° C to 250 ° C.
- the tensile elastic modulus (YM) is 300 to 2000 MPa, preferably 400 to 2000 MPa, more preferably 500 to 1800 MPa.
- the softening temperature can be controlled by the composition ratio of each composition and the like, and being in the above range is excellent in heat resistance, toughness, mechanical properties, and the like.
- the copolymer composition (X11 or X12) more preferably satisfies the following requirement (h1) because it has flexibility and mechanical properties.
- the melting point [Tm] determined by a differential scanning calorimeter (DSC) is observed at 50 ° C. or higher and 250 ° C. or lower. Preferably, it is in the range of 70 ° C to 250 ° C.
- the 4-methyl-1-pentene / ⁇ -olefin copolymer composition (X21) or (X22) satisfies at least the requirements (a) to (d), and the structural unit (i) is 33 to 80 Mol%, preferably 50 to 75 mol%, the structural unit (ii) is 67 to 20 mol%, preferably 50 to 25 mol%, and the structural unit (iii) is 0 to 10 mol%, preferably 0 to 4-methyl-1-pentene / ⁇ -olefin copolymer, which is 5 mol% (provided that the total of structural units (i), (ii), and (iii) is 100 mol%), and a thermoplastic resin ( B) is contained in the above proportion.
- the copolymer is 50 parts by weight or more and less than 95 parts by weight, preferably 55 parts by weight or more and 90 parts by weight or less, more preferably 60 parts by weight or more and 80 parts by weight or less.
- the thermoplastic resin (B) described later contains 5 parts by weight or more and 50 parts by weight or less, preferably 10 parts by weight or more and 45 parts by weight or less, more preferably 20 parts by weight or more and 40 parts by weight or less. It is preferable in terms of relaxation, stress absorption, and mechanical properties (however, the total amount of the copolymer and the thermoplastic resin (B) is 100 parts by weight).
- the copolymer composition (X21) satisfies at least one of Shore A hardness and D hardness in the following requirement (e2) because of excellent stress relaxation properties.
- the change ⁇ HS of the Shore A hardness defined in the following formula is 10 to 50, preferably 15 to 50, more preferably Is not less than 20 and not more than 50, or the difference ⁇ HS between the Shore D hardness immediately after the start of pressing contact and the Shore D hardness 15 seconds after the start of pressing contact is 5 to 50, preferably 8 to 50 Preferably it is 10-50.
- ⁇ HS (Shore A or D hardness value immediately after start of pressing needle contact ⁇ Shore A or D hardness value 15 seconds after start of pressing needle contact).
- the copolymer is 5 parts by weight or more and 49 parts by weight or less, preferably 5 parts by weight or more and less than 40 parts by weight, more preferably 10 in terms of flexibility and mechanical properties. 50 parts by weight or more and 95 parts by weight or less, preferably 60 parts by weight or more and 95 parts by weight or less, more preferably 70 parts by weight or more and 90 parts by weight or less (however, , (A) and (B) are preferably 100 parts by weight).
- thermoplastic resin (B) Unless the thermoplastic resin (B) used in the present invention is different from the 4-methyl-1-pentene / ⁇ -olefin copolymer according to the present invention and the 4-methyl-1-pentene copolymer according to the present invention, although it does not restrict
- the thermoplastic resin (B) includes an elastomer and a copolymer rubber.
- Thermoplastic polyolefin resin (except for the polymer according to the present invention, the same applies hereinafter); for example, low density, medium density, high density polyethylene, high pressure method low density polyethylene, isotactic polypropylene, syndiotactic polypropylene, poly 1- Butene, poly-4-methyl-1-pentene, poly-3-methyl-1-butene, ethylene / ⁇ -olefin copolymer, propylene / ⁇ -olefin copolymer, 1-butene / ⁇ -olefin copolymer, cyclic Olefin copolymer, chlorinated polyolefin,
- Thermoplastic polyamide resin for example, aliphatic polyamide (nylon 6, nylon 11, nylon 12, nylon 66, nylon 610, nylon 612),
- Thermoplastic polyester resin for example, polyethylene terephthalate, polybutylene terephthalate, polyester elastomer, Thermoplastic vinyl
- Polypropylene includes isotactic polypropylene and syndiotactic polypropylene.
- the isotactic polypropylene may be a homopolypropylene, a propylene / ⁇ -olefin having 2 to 20 carbon atoms (however, excluding propylene) or a propylene block copolymer.
- Poly 4-methyl-1-pentene is different from the above copolymer, and is a homopolymer of 4-methyl-1-pentene, or 4-methyl-1-pentene content of 80 to 99.9% by weight 4-methyl-, preferably 90 to 99.9% by weight, 2 to 20 carbon atoms, preferably 6 to 20 ⁇ -olefin content of 0.1 to 20% by weight, preferably 0.1 to 10% by weight.
- 1-pentene / ⁇ -olefin random copolymer is a homopolymer of 4-methyl-1-pentene, or 4-methyl-1-pentene content of 80 to 99.9% by weight 4-methyl-, preferably 90 to 99.9% by weight, 2 to 20 carbon atoms, preferably 6 to 20 ⁇ -olefin content of 0.1 to 20% by weight, preferably 0.1 to 10% by weight.
- ethylene, propylene, 1-butene, 1-hexene, 1-octene can be used as the ⁇ -olefin copolymerized with 4-methyl-1-pentene.
- 1-decene, 1-dodecene, 1-tetradecene, 1-hexadecene, 1-octadecene, 1-eicosene, etc. and an ⁇ -olefin having 2 to 20 carbon atoms, preferably 6 to 20 carbon atoms.
- the melt flow rate (MFR; ASTM D1238M, 260 ° C12, 5.0kg load) of poly-4-methyl-1-pentene should be in the range of 0.1 to 200 g / 10 min, preferably 1 to 150 g / 10 min. Is desirable.
- a commercially available product can be used as poly-4-methyl-1-pentene, and examples thereof include TPX (trade name) manufactured by Mitsui Chemicals.
- Poly 4-methyl-1-pentene from other manufacturers can be preferably used as long as the above requirements are satisfied.
- low-density polyethylene low-density polyethylene, medium-density polyethylene, high-density polyethylene, and high-pressure method low-density polyethylene, which are produced by a conventionally known method, can be used.
- Polybutene is a homopolymer of 1-butene or a copolymer of 1-butene and olefins excluding 1-butene.
- the olefin include those described above, and these olefins are used alone or in combination of two or more.
- the copolymer include 1-butene / ethylene random copolymer, 1-butene / propylene random copolymer, 1-butene / methylpentene copolymer, 1-butene / methylbutene copolymer, 1-butene / Examples include propylene / ethylene copolymers.
- the 1-butene content is preferably 50 mol% or more, more preferably 70 mol% or more, and particularly preferably 85% or more. .
- rosin-based resins include natural rosin, polymerized rosin, modified rosin and rosin derivatives modified with maleic acid, fumaric acid, (meth) acrylic acid, and the like.
- examples of the rosin derivative include the above-mentioned natural rosin, polymerized rosin or esterified product of modified rosin, phenol-modified product and esterified product thereof.
- hydrogenated substances can also be mentioned.
- terpene resins include resins comprising ⁇ -pinene, ⁇ -pinene, limonene, dipentene, terpene phenol, terpene alcohol, terpene aldehyde, etc., and ⁇ -pinene, ⁇ -pinene, limonene, dipentene and the like such as styrene.
- An aromatic modified terpene resin obtained by polymerizing an aromatic monomer may also be used.
- these hydrogenated substances can also be mentioned.
- Examples of the petroleum resin include an aliphatic petroleum resin whose main raw material is a C5 fraction of tar naphtha, an aromatic petroleum resin whose main raw material is a C9 fraction, and a copolymer petroleum resin thereof. That is, C5 petroleum resin (resin obtained by polymerizing C5 fraction of naphtha cracked oil), C9 petroleum resin (resin obtained by polymerizing C9 fraction of naphtha cracked oil), C5C9 copolymerized petroleum resin (C5 fraction of naphtha cracked oil) A co-polymer of styrene and indene, coumarone and other dicyclopentadiene, p-tertiarybutylphenol, and the like. Examples thereof include alkylphenol resins represented by condensates of acetylene, xylene resins obtained by reacting o-xylene, p-xylene or m-xylene with formalin.
- one or more resins selected from the group consisting of rosin resins, terpene resins and petroleum resins are preferably hydrogenated derivatives because they are excellent in weather resistance and discoloration resistance.
- the softening point of the resin by the ring and ball method is preferably in the range of 40 to 180 ° C.
- the number average molecular weight (Mn) molecular weight measured by GPC of the resin is preferably in the range of about 100 to 10,000.
- Commercial products may be used as one or more resins selected from the group consisting of rosin resins, terpene resins and petroleum resins.
- thermoplastic resins (B) preferably, low density, medium density, high density polyethylene, high pressure method low density polyethylene, isotactic polypropylene, syndiotactic polypropylene, poly 1-butene, poly 4-methyl -1-pentene, poly-3-methyl-1-butene, ethylene / ⁇ -olefin copolymer, propylene / ⁇ -olefin copolymer, 1-butene / ⁇ -olefin copolymer, styrene elastomer, vinyl acetate copolymer Polymer, ethylene / methacrylic acid acrylate copolymer, ionomer, fluorine resin, rosin resin, terpene resin and petroleum resin, more preferably polyethylene, Tactic polypropylene, syndiotactic polypropylene, poly 1- , Poly-4-methyl-1-pentene, ethylene / ⁇ -olefin copolymer, propylene
- copolymer composition of the present invention can be used singly or in combination of two or more of these thermoplastic resins.
- the crystalline olefin resin means a resin having a melting point measured by DSC of 70 ° C. or higher.
- the density of the resin (B1) is not particularly limited, but is preferably 0.850 g / cm 3 or more, more preferably 0.855 g / cm 3 or more, and further preferably 0.870 to 0.980 g / cm 3 . Yes (ASTM D 1505).
- the crystalline olefin resin (B1) is a resin having crystallinity among the thermoplastic resins (B) listed above, and examples thereof include low density, medium density, high density polyethylene, high pressure method low density polyethylene, Tactic polypropylene, syndiotactic polypropylene, poly 1-butene, poly 4-methyl-1-pentene, poly 3-methyl-1-butene, ethylene / ⁇ -olefin copolymer, propylene / ⁇ -olefin copolymer, Examples include 1-butene / ⁇ -olefin copolymers, styrene elastomers, and preferably polypropylene, poly-4-methyl-1-pentene, polyethylene, and polybutene.
- the 4-methyl-1-pentene / ⁇ -olefin copolymer compositions (X) to (X22) of the present invention may be at least partially or entirely graft-modified with a polar monomer.
- a part or all of the copolymer according to the present invention may be graft-modified, (B) a part or all of the resin may be graft-modified, and the copolymer of (B) Some or all of each may be graft-modified.
- Polar monomers can be used with reference to the above.
- an unsaturated carboxylic acid or a derivative thereof is preferable.
- the unsaturated carboxylic acid or derivative thereof can be referred to the above.
- the polar monomer is usually used in an amount of 1 to 100 parts by weight, preferably 5 to 80 parts by weight, based on 100 parts by weight of the object to be modified.
- This graft polymerization is usually carried out in the presence of a radical initiator.
- the radical initiator can be used with reference to the above.
- a reducing substance may be used.
- the graft amount of the polar monomer can be improved.
- Graft modification can be carried out by a conventionally known method.
- the object to be modified is dissolved in an organic solvent, and then a polar monomer and a radical initiator are added to the solution, and the temperature is 40 to 250 ° C., preferably 60 to 200 ° C.
- the reaction can be carried out at a temperature for 0.5 to 20 hours, preferably 1 to 15 hours.
- the graft amount of the modified product thus obtained is usually 0.1 to 50% by weight, preferably 0.2 to 30% by weight, more preferably 0.2 to 20% by weight.
- the graft-modified copolymer composition includes the 4-methyl-1-pentene / ⁇ -olefin copolymer of the present invention and 4-methyl-1-pentene as long as the properties of the modified product are not impaired.
- a polymer other than the copolymer and the thermoplastic resin (B), for example, a thermoplastic resin or an elastomer can be blended. Their blending may be in the graft modification step or after modification.
- At least part or all of the copolymer compositions (X) to (X22) of the present invention may be crosslinked with a crosslinking agent.
- a crosslinking agent Sulfur, an organic peroxide, and a SiH group containing compound are mentioned. The above-mentioned can be referred for the crosslinking method and the crosslinking agent.
- additives can be blended in the molding as long as the object of the invention is not impaired.
- the above can be referred to.
- the copolymer composition according to the present invention includes the 4-methyl-1-pentene / ⁇ -olefin copolymer of the present invention and 4-methyl-1-pentene copolymer within a range not impairing the object of the present invention.
- a thermoplastic resin other than the coalescence and the thermoplastic resin (B) may further be contained.
- the other thermoplastic resin the same resin as the resin (B) can be used.
- the 4-methyl-1-pentene copolymer composition (Y) according to the present invention comprises (AA) the 4-methyl-1-pentene copolymer in an amount of 50 to 98 parts by weight, preferably 50 to 96 parts by weight, More preferably, 50 to 90 parts by weight, and 1 to 49 parts by weight of crystalline olefin resin (melting point of 100 ° C.
- the copolymer composition (Y) has a Shore A hardness value (according to JIS K6253, thickness 3 mm) immediately after the start of the contact with the needle and 15 seconds after the start of the contact with the needle.
- the difference ⁇ HS (measured in the state of the press sheet) is preferably 10 to 50, more preferably 15 to 50, still more preferably 20 to 50, or 15 seconds after the start of the presser contact and the start of the presser contact.
- the difference ⁇ HS between the Shore D hardness value is preferably 5 to 50, more preferably 8 to 50, and still more preferably 10 to 50 . It is preferable that the composition (Y) satisfies at least one of ⁇ HS based on Shore A hardness and ⁇ HS based on D hardness.
- the copolymer composition (Y) preferably has a rebound resilience of 30% or less when a 16.310 g hard sphere is dropped from a height of 460 mm at room temperature of 25 ° C. in accordance with JIS K6400. is there. More preferably, it is 28% or less, More preferably, it is 25% or less.
- the rebound resilience can be controlled by the comonomer composition ratio of the copolymer (AA), the mixing ratio of the copolymer composition (Y), and the like.
- AA comonomer composition ratio of the copolymer
- Y mixing ratio of the copolymer composition
- 4-methyl- By controlling the 1-pentene content to 85% by weight or less, vibration damping properties and stress absorption properties are excellent.
- the copolymer composition (Y) preferably has a peak value of loss tangent (tan ⁇ ) due to the glass transition temperature measured by the temperature dependence measurement of dynamic viscoelasticity (frequency 10 rad / s, ⁇ 70 to 180 ° C.). It is 0.5 or more. More preferably, it is 0.8 or more, More preferably, it is 1.0 or more.
- the temperature at which the value of tan ⁇ is maximized is ⁇ 10 to 40 ° C., preferably 0 to 40 ° C.
- tan ⁇ is within these ranges, it is possible to exhibit excellent stress absorption characteristics and vibration damping characteristics.
- the maximum value of tan ⁇ can be controlled by the comonomer composition ratio of the copolymer (AA) and the mixing ratio of the copolymer composition (Y).
- the 4-methyl-1-pentene content is 10-80.
- copolymer composition (Y) according to the present invention, various additives can be blended as necessary within a range not impairing the object of the invention.
- the above can be referred to.
- the copolymer composition (Y) of the present invention may contain a rosin resin, a terpene resin, a petroleum resin and the like as long as the object of the invention is not impaired. These resins can be used with reference to the above.
- the crystalline olefin resin (BB) used in the present invention includes the 4-methyl-1-pentene / ⁇ -olefin copolymers (A) to (A3) and the 4-methyl-1-pentene copolymer according to the present invention. Except for (AA), any olefin resin having crystallinity can be used without any particular limitation.
- the crystalline olefin means a crystalline olefin having a melting point of 100 ° C. or higher, and preferably 110 ° C. or higher.
- the crystalline olefin resin (BB) is a resin having crystallinity among the thermoplastic resins (B) listed above, and examples thereof include low density, medium density, high density polyethylene, high pressure method low density polyethylene, Tactic polypropylene, syndiotactic polypropylene, poly 1-butene, poly 4-methyl-1-pentene, poly 3-methyl-1-butene, ethylene / ⁇ -olefin copolymer, propylene / ⁇ -olefin copolymer, Examples thereof include 1-butene / ⁇ -olefin copolymers, and preferably polypropylene, poly-4-methyl-1-pentene, polyethylene, and polybutene.
- Polypropylene includes isotactic polypropylene and syndiotactic polypropylene.
- the isotactic polypropylene may be a homopolypropylene, a propylene / ⁇ -olefin having 2 to 20 carbon atoms (however, excluding propylene) or a propylene block copolymer.
- Poly 4-methyl-1-pentene is different from the above copolymer, and is a homopolymer of 4-methyl-1-pentene, or 4-methyl-1-pentene content of 80 to 99.9% by weight 4-methyl-, preferably 90 to 99.9% by weight, 2 to 20 carbon atoms, preferably 6 to 20 ⁇ -olefin content of 0.1 to 20% by weight, preferably 0.1 to 10% by weight.
- 1-pentene / ⁇ -olefin random copolymer is a homopolymer of 4-methyl-1-pentene, or 4-methyl-1-pentene content of 80 to 99.9% by weight 4-methyl-, preferably 90 to 99.9% by weight, 2 to 20 carbon atoms, preferably 6 to 20 ⁇ -olefin content of 0.1 to 20% by weight, preferably 0.1 to 10% by weight.
- ethylene, propylene, 1-butene, 1-hexene, 1-octene can be used as the ⁇ -olefin copolymerized with 4-methyl-1-pentene.
- 1-decene, 1-dodecene, 1-tetradecene, 1-hexadecene, 1-octadecene, 1-eicosene, etc. and an ⁇ -olefin having 2 to 20 carbon atoms, preferably 6 to 20 carbon atoms.
- the melt flow rate (MFR; ASTM D1238M, 260 ° C12, 5.0kg load) of poly-4-methyl-1-pentene should be in the range of 0.1 to 200 g / 10 min, preferably 1 to 150 g / 10 min. Is desirable.
- a commercially available product can be used as poly-4-methyl-1-pentene, and examples thereof include TPX (trade name) manufactured by Mitsui Chemicals.
- Poly 4-methyl-1-pentene from other manufacturers can be preferably used as long as the above requirements are satisfied.
- low-density polyethylene low-density polyethylene, medium-density polyethylene, high-density polyethylene, and high-pressure method low-density polyethylene, which are produced by a conventionally known method, can be used.
- Polybutene is a homopolymer of 1-butene or a copolymer of 1-butene and olefins excluding 1-butene.
- the olefin include those described above, and these olefins are used alone or in combination of two or more.
- the copolymer include 1-butene / ethylene random copolymer, 1-butene / propylene random copolymer, 1-butene / methylpentene copolymer, 1-butene / methylbutene copolymer, 1-butene / Examples include propylene / ethylene copolymers.
- the 1-butene content is preferably 50 mol% or more, more preferably 70 mol% or more, and particularly preferably 85% or more. .
- the crystalline olefin resin (BB) is not particularly limited, but preferably has an MFR measured at 190 ° C. and 230 ° C. under a load of 2.16 kg according to JIS K-6721, 0.01 to 150 g / 10 minutes, more preferably 0.05 to 100 g / 10 minutes, even more preferably 0.1 to 100 g / 10 minutes, and the density is 0.990 to 0.800 g / cm 3 . More preferably, it is in the range of 0.980 to 0.810 g / cm 3 , and still more preferably in the range of 0.970 to 0.830 g / cm 3 . Within this range, it is preferable in terms of crystallinity.
- cyclic olefin copolymers chlorinated polyolefins, vinyl acetate copolymers, ethylene / methacrylic acid acrylate copolymers, ionomers, ethylene / vinyl alcohol copolymers and the like are also exemplified.
- one of these resins (BB) can be used alone, or two or more can be used in combination.
- crystalline olefin resin (BB) examples include polyethylene, polypropylene, poly 1-butene, and poly 4-methyl-1-pentene, and more preferred is polypropylene.
- the ⁇ -olefin copolymer (CC) is a copolymer selected from ⁇ -olefins having 2 to 20 carbon atoms, and is not particularly limited as long as the melting point is less than 100 ° C. (however, 4-methyl-1-pentene / ⁇ -olefin copolymers (A) to (A3) and 4-methyl-1-pentene copolymer (AA) according to the present invention are excluded).
- the melting point is preferably 95 ° C. or lower, more preferably 90 ° C. or lower, and particularly preferably 85 ° C. or lower.
- Examples of the ⁇ -olefin copolymer (CC) include ethylene, propylene, 1-butene, 1-pentene, 1-hexene, 1-octene, 1-decene, 1-undecene, 1-dodecene, 1-tetradecene, Examples include 1-hexadecene, 1-octadecene, 1-eicosene, etc., linear ⁇ -olefins having 2 to 20, preferably 2 to 15, and more preferably 2 to 10, more preferably ethylene, Propylene, 1-butene, 1-pentene, 1-hexene and 1-octene.
- ⁇ -olefins can be used singly or in combination of two or more.
- ⁇ -olefin copolymer (CC) 50 to 99% by weight of structural units derived from ethylene, propylene or butene-1 among the ⁇ -olefins constituting the copolymer (CC) (d-1) And preferably 50 to 98% by weight, more preferably 50 to 95% by weight, and 1 to 50% by weight, preferably 2 to 50% of other structural units derived from an ⁇ -olefin having 2 to 20 carbon atoms. It is preferable from the viewpoint of flexibility that it is contained in an amount of 5% by weight, more preferably 5 to 50% by weight (however, the total amount of the structural units in the copolymer (CC) is 100% by weight).
- the ⁇ -olefin constituting the (d-3) copolymer (CC) consists of any two or more of ethylene, propylene and butene-1, and these Among the three types, the structural unit derived from the main component is 50 to 98% by weight, preferably 50 to 96% by weight, more preferably 50 to 95% by weight (however, the total amount of the structural unit in the copolymer (CC)) In particular, it is preferable from the viewpoint of flexibility.
- the ⁇ -olefin copolymer (CC) has an MFR of 0.01 to 100 g / g measured at 190 ° C. and 230 ° C. under a load of 2.16 kg in accordance with (d-2) JIS K-6721. 10 minutes, more preferably in the range of 0.05 to 100 g / 10 minutes, and the density is in the range of 0.910 to 0.850 g / cm 3 , more preferably in the range of 0.900 to 0.860 g / cm 3. And preferable in terms of flexibility and mechanical properties.
- the ⁇ -olefin copolymer (CC) has an intrinsic viscosity [ ⁇ ] measured in decalin at 135 ° C. is usually 0.1 to 10 dL / g, more preferably 0.5 to 5 dL / g.
- the ⁇ -olefin copolymer (CC) may contain units derived from other polymerizable monomers as long as the object of the present invention is not impaired.
- Examples of such other polymerizable monomers include vinyl compounds such as styrene, vinylcyclopentene, vinylcyclohexane, vinylnorbornane, Vinyl esters such as vinyl acetate, Unsaturated organic acids such as maleic anhydride or derivatives thereof, Conjugated dienes such as butadiene, isoprene, pentadiene, 2,3-dimethylbutadiene, 1,4-hexadiene, 1,6-octadiene, 2-methyl-1,5-hexadiene, 6-methyl-1,5-heptadiene, 7-methyl-1,6-octadiene, dicyclopentadiene, cyclohexadiene, di Cyclooctadiene, methylene norbornene, 5-vinyl norbornene, 5-ethylidene-2-norbornene, 5-methylene-2-norbornene, 5-isopropylidene-2-norbornene, 6-chloro
- the ⁇ -olefin copolymer (CC) contains units derived from such other polymerizable monomers in an amount of 10 mol% or less, preferably 5 mol% or less, more preferably 3 mol% or less. It may be.
- the ⁇ -olefin copolymer (CC) is preferably an olefin random copolymer (CC1).
- CC1 examples include ethylene / propylene random copolymer, ethylene / 1-butene random copolymer, ethylene / propylene / 1-butene random copolymer, ethylene / 4-methyl-1- Pentene random copolymer, ethylene / 1-hexene random copolymer, ethylene / 1-octene random copolymer, ethylene / propylene / ethylidene norbornene random copolymer, ethylene / propylene / vinylidene norbornene random copolymer, ethylene / 1-butene / ethylidene norbornene random copolymer, ethylene / 1-butene / 1-octene random copolymer, propylene / 1-butene random copolymer, but
- ethylene / propylene random copolymer ethylene / 1-butene random copolymer, ethylene / propylene / 1-butene random copolymer, ethylene / 1-butene / 1-octene random copolymer, ethylene ⁇ 1-hexene random copolymer, ethylene / 1-octene random copolymer, propylene / 1-butene random copolymer, propylene / 1-hexene random copolymer, propylene / 1-octene random copolymer, etc. Particularly preferably used.
- copolymers may be used alone or in combination of two or more.
- ⁇ -olefin copolymer CC
- the olefin copolymer (CC) can be produced by a conventionally known method using a vanadium catalyst, a titanium catalyst or a metallocene catalyst.
- a vanadium catalyst for example, a commercially available product may be used, or a trade name “Tuffmer TM ” manufactured by Mitsui Chemicals may be used.
- the copolymer composition may be prepared by mixing various components in the above-described ranges, for example, a multistage polymerization method, a plastmill, a Henschel mixer, a V-blender, a ribbon blender, a tumbler blender, a kneader ruder, etc.
- a multistage polymerization method for example, a plastmill, a Henschel mixer, a V-blender, a ribbon blender, a tumbler blender, a kneader ruder, etc.
- a method of granulation or pulverization after melt-kneading with a single screw extruder, twin screw extruder, kneader, Banbury mixer or the like.
- Molded product containing 4-methyl-1-pentene / ⁇ -olefin copolymer according to the present invention molded product containing 4-methyl-1-pentene / ⁇ -olefin copolymer composition, 4-methyl-1-
- a molded article containing a pentene copolymer composition or a molded article containing a modified product obtained by using any of these is, for example, extrusion molding, injection molding, inflation molding, blow molding, extrusion blow molding, injection blow molding, press. It can be obtained by a known thermoforming method such as molding, stamping molding, vacuum molding, calendar molding, filament molding, foam molding, powder slush molding and the like.
- the molded article of the present invention can also be produced by appropriately combining the copolymer, copolymer composition and modified product according to the present invention.
- the molded body will be specifically described below.
- the molded body is preferably a molded product obtained by further processing a molded product obtained by primary molding such as extrusion molding, injection molding, solution casting, or the like by a method such as blow molding or stretching.
- a molded product obtained by primary molding such as extrusion molding, injection molding, solution casting, or the like
- blow molding or stretching for example, when the molded product is a film or a sheet, the molded product obtained by molding into a sheet by a T-die extrusion method or the like is obtained by further uniaxially or biaxially stretching. Is also preferable.
- fusing point is preferable.
- extrusion molding conventionally known extrusion equipment and molding conditions can be employed.
- a melted copolymer using a single screw extruder, a kneading extruder, a ram extruder, a gear extruder or the like can be used.
- the composition can be formed into a desired shape by extruding from a specific die or the like.
- the stretched film is obtained by stretching an extruded sheet or extruded film (unstretched) as described above by a known stretching method such as a tenter method (longitudinal and transverse stretching or transverse and longitudinal stretching), a simultaneous biaxial stretching method, a uniaxial stretching method, or the like. Obtainable.
- the stretch ratio when stretching the sheet or unstretched film is usually about 20 to 70 times in the case of biaxial stretching, and usually about 2 to 10 times in the case of uniaxial stretching. It is desirable to obtain a stretched film having a thickness of about 5 to 200 ⁇ m by stretching.
- an inflation film can be produced as a film-like molded body. Drawdown is less likely to occur during inflation molding.
- the blow molded product can be manufactured using a known blow molding apparatus and employing known conditions.
- the obtained blow molded article may be a multilayer molded article and contains at least one layer of the copolymer, copolymer composition or modified product according to the present invention.
- a tube-shaped parison is formed by extrusion from a die in a molten state at a resin temperature of 100 ° C. to 300 ° C., and then the parison is held in a mold having a desired shape, and then air is blown to a resin temperature of 130 ° C.
- a hollow molded body can be produced by attaching to a mold at ⁇ 300 ° C.
- the stretching (blowing) magnification is desirably about 1.5 to 5 times in the transverse direction.
- a parison is molded by injecting into a parison mold at a resin temperature of 100 ° C. to 300 ° C., and then the parison is held in a mold having a desired shape, and then air is blown to the resin temperature of 120 ° C. to 300 ° C.
- a hollow molded body can be produced by mounting on a mold at 0 ° C.
- the stretching (blowing) magnification is desirably 1.1 to 1.8 times in the longitudinal direction and 1.3 to 2.5 times in the transverse direction.
- the resulting blow molded article is excellent in transparency, rigidity or flexibility, heat resistance and impact resistance, as well as moisture resistance.
- Examples of the press-molded body include a mold stamping molded body, which can be obtained, for example, by simultaneously press-molding a base material and a skin material and performing composite integral molding (mold stamping molding) of both.
- the substrate can be formed of the copolymer, copolymer composition or modified product according to the present invention.
- a press-molded body is hardly charged and has excellent rigidity or flexibility, heat resistance, transparency, impact resistance, aging resistance, surface gloss, chemical resistance, wear resistance, and the like.
- a foam molded article using the copolymer, copolymer composition or modified product according to the present invention is obtained at a high expansion ratio, has good injection moldability, and has high rigidity and material strength. .
- the filament molded body can be produced, for example, by extruding a molten copolymer, copolymer composition or modified body through a spinneret. Specifically, a spunbond method or a melt bron method is preferably used. The filament thus obtained may be further stretched. This stretching may be performed so that at least one uniaxial direction of the filament is molecularly oriented, and it is usually desirable to perform the stretching at a magnification of about 5 to 10 times.
- the filament molded body according to the present invention is hardly charged and is excellent in transparency, flexibility, heat resistance, impact resistance, and stretchability.
- powder slush molded articles such as automobile parts, household appliance parts, toys, and miscellaneous goods can be manufactured.
- the molded body is hardly charged and is excellent in flexibility, heat resistance, impact resistance, aging resistance, surface gloss, chemical resistance, abrasion resistance, and the like.
- examples of the molded body according to the present invention include a laminate having at least one layer composed of the copolymer, the copolymer composition or the modified body according to the present invention.
- the laminate is excellent in vibration damping properties such as shock reduction and shock relaxation, and shock absorption.
- thermoplastic resin ((B), (BB) and (CC)) when used as an additive material, when molding the thermoplastic resin ((B), (BB) and (CC)) according to the present invention, a method of adding the copolymer according to the present invention (for example, The thermoplastic resin composition is molded by a molding machine (extruder), and the copolymer is fed from the middle of the molding machine (extruder).
- This is a method of molding a thermoplastic resin in a molten state with one or more of shearing, uniaxial stretching, biaxial stretching, and plane stretching flow, and there is no particular limitation as long as it is a known method.
- the molding method involving shear flow include known molding methods such as extrusion molding, injection molding, and melt blow molding.
- the molten state refers to a range from the melting point of the copolymer copolymer composition or the modified product of the present invention to 350 ° C. or more, preferably 170 ° C. to 350 ° C.
- the 4-methyl-1-pentene / ⁇ -olefin copolymer ((A) to (A3)) according to the present invention is obtained in this manner because it is not thermodynamically compatible with the thermoplastic resin. It is considered that 4-methyl-1-pentene / ⁇ -olefin copolymer is localized on the surface of the molded article.
- (1) 4-Methyl-1-pentene / ⁇ -olefin copolymer (A) has transparency, impact resistance, heat resistance, light weight, flexibility or rigidity, stress absorption, stress relaxation, and scratch resistance. , Wear resistance, mechanical properties, toughness, soundproofing, vibration damping, cutability, high breakdown voltage, gas permeability, shrinkage, rubber elasticity, kink resistance, stretchability, creep properties, adhesion, surface tension It can be suitably used for the following applications because of its excellent flexibility, transparency, and no stickiness during molding.
- Examples of molded articles containing the copolymer composition according to the present invention include sheets, films, pipes, tubes, bottles, fibers, tapes, hollow molded articles, laminates, foams, and the like.
- the copolymer according to the present invention is a resin having excellent releasability and heat resistance as well as transparency, gas permeability, chemical resistance, releasability, and various fields such as medical instruments, heat-resistant wires, heat-resistant tableware, and stripping materials. Used in
- Sheets and film moldings are hard to be charged and have excellent mechanical properties, heat resistance, stretchability, impact resistance, aging resistance, transparency, transparency, gloss, rigidity, moisture resistance and gas barrier properties.
- Widely used as anti-vibration sheet, heat insulation sheet, heat insulation film, packaging film, food packaging film (outer layer, inner layer, sealant, single layer), stretch film, wrap film, stretched film, breathable film, shrink film, etc. Can be used.
- Injection molded products are difficult to be charged and have excellent transparency, rigidity, heat resistance, impact resistance, surface gloss, chemical resistance, wear resistance, etc., for automotive interior trim materials, automotive exterior materials, and home appliances. It can be used widely for housings, containers, and the like.
- ⁇ Mold stamping molded bodies can be used for automotive interior materials such as door trims, rear package trims, seat back garnishes, and instrument panels.
- the vacuum molded body can be used for interior skin materials such as instrument panels and door trims.
- the molded body is hardly charged and is excellent in flexibility, heat resistance, impact resistance, aging resistance, surface gloss, chemical resistance, abrasion resistance, and the like.
- containers examples include tableware, retort containers, frozen storage containers, retort pouches, microwave oven heat resistant containers, frozen food containers, frozen dessert cups, cups, beverage bottles and other food containers, retort containers, bottle containers, and blood transfusion sets.
- containers include tableware, retort containers, frozen storage containers, retort pouches, microwave oven heat resistant containers, frozen food containers, frozen dessert cups, cups, beverage bottles and other food containers, retort containers, bottle containers, and blood transfusion sets.
- examples include medical bottles, medical containers, medical hollow bottles, medical bags, infusion bags, blood storage bags, infusion bottle chemical containers, detergent containers, cosmetic containers, perfume containers, and toner containers.
- polypropylene modifier poly-4-methyl-1-pentene modifier, polybutene modifier, polyethylene modifier, styrene elastomer modifier, butyl rubber modifier, propylene elastomer modifier Resins, ethylene elastomer modifiers, acrylic adhesive modifiers, hot melt adhesive modifiers, flow mark modifiers, weld modifiers, surface modifiers, gas barrier modifiers, etc. Examples thereof include a material, a compatibilizer (graft modification), and an easy peel modifier.
- packaging materials include food packaging materials, meat packaging materials, processed fish packaging materials, vegetable packaging materials, fruit packaging materials, fermented food packaging materials, confectionery packaging materials, oxygen absorbent packaging materials, retort food packaging materials, and freshness.
- Retaining film, pharmaceutical packaging material, cell culture bag, cell inspection film, bulb packaging material, seed packaging material, film for vegetable / mushroom cultivation, heat-resistant vacuum forming container, side dish container, side dish cover, commercial wrap film, home use Wrap film, baking carton, etc. are mentioned.
- films, sheets, and tapes include release films for flexible printed boards, release films for rigid boards, release films for rigid flexible boards, release films for advanced composite materials, and release films for curing carbon fiber composites.
- packing materials used for high temperature processing such as boiling and high-pressure steam sterilization, industrial sealing materials
- Cap liners such as industrial sewing machine tables, license plate housings, PET bottle cap liners, Protective film adhesive layer, adhesive material such as hot melt adhesive, Laboratory equipment such as stationery, office supplies, OA printer legs, FAX legs, sewing machine legs, motor support mats, audio vibration isolators, precision equipment and OA equipment support members, heat-resistant packing for OA, animal cages, beakers, graduated cylinders, etc.
- Fiber applications include non-woven fabrics, stretchable non-woven fabrics, fibers, waterproof fabrics, breathable fabrics and fabrics, paper diapers, sanitary products, sanitary products, filters, bag filters, dust collection filters, air cleaners, hollow fiber filters Water purification filter, filter cloth, filter paper, gas separation membrane, and the like.
- coating materials films obtained by coating, sheets, water repellent materials, insulating films, adhesives, adhesive materials, coated papers, transparent sealants, sealants, hot melt adhesives, solvent adhesives, films It is also preferably used for adhesives, cloth tapes, craft tapes, and elastic adhesives.
- the fields (1) to (3) shown below are applications utilizing the characteristics of the present invention, and are suitable for the copolymer and the composition.
- [(1) Film] It is preferably used for applications that take advantage of the releasability of films and sheets.
- the adhesive film which formed the well-known adhesive layer in the film is mentioned.
- the pressure-sensitive adhesive layer include an acrylic pressure-sensitive adhesive layer, an ester-based pressure-sensitive adhesive layer, an olefin-based pressure-sensitive adhesive layer, and a urethane-based pressure-sensitive adhesive layer.
- a material having an adhesive force suitable for the corresponding substrate can be used.
- a polarizing plate having a multilayer film structure comprising a protective layer such as a polarizing plate or FPD (flat panel display), an adhesive layer, and a 4-methyl-1-pentene / ⁇ -olefin copolymer film
- a protective film and a protective film for FPD are mentioned.
- Film wrap film, stretched film, breathable film, shrink film, microwave oven heat-resistant container, frozen food container, meat packaging material, processed fish packaging material, vegetable packaging material, fruit packaging material, fermented food packaging material, confectionery packaging material, Oxygen absorbent packaging materials, retort food packaging materials, freshness preservation films, pharmaceutical packaging materials, cell culture bags, cell inspection films, bulb packaging materials, seed packaging materials, vegetables / mushroom cultivation films, heat resistant vacuum formed containers, sugar beet containers , Lids for side dishes, wrap films for business use, wrap films for household use, and the like.
- the obtained sheet and film molded body may be a multilayer molded body.
- the multilayer molded body include a base material, an adhesive material, a separator, an adhesive film, a pellicle film, a polarizing plate film, the protective film, and a heat dissipation film / sheet of the semiconductor process film.
- the copolymer and copolymer composition of the present invention are suitable for a stress absorbing material / damping material excellent in stress absorbing characteristics / damping characteristics and a molded product thereof. Specifically, it is suitable for a stress-absorbing material / damping material of a non-vinyl chloride polymer material having good mechanical properties (breaking strength, tensile modulus). Specific examples include OA equipment, home appliances such as washing machines, automobiles, machine tools, industrial machines, floor materials, vibration control panels, vibration suppression molded bodies, and the like.
- the copolymer, copolymer composition and modified product of the present invention have a high tan ⁇ peak value and are suitable as a stress absorbing member / damping material.
- the 4-methyl-1-pentene / ⁇ -olefin copolymer is preferably a copolymer of 4-methyl-1-pentene and an ⁇ -olefin having 2 to 4 carbon atoms.
- 4-methyl-1-pentene and the ⁇ -olefin having 2 to 4 carbon atoms may contain a nonconjugated polyene.
- thermoplastic resin may be added to the copolymer of the present invention or a modified product thereof.
- the thermoplastic resin include the thermoplastic resin (B).
- Olefin polymers such as polyethylene, polypropylene, ethylene and / or copolymers of propylene and ⁇ -olefins (excluding copolymers according to the present invention), Polystyrene, high impact polystyrene, styrene / methacrylate copolymer (MS), acrylonitrile / styrene copolymer (AS), acrylonitrile / butadiene / styrene copolymer (ABS), styrene / isoprene / styrene copolymer (SIS) ) And hydrogenated products thereof, styrene / butadiene / styrene copolymers (SBS) and hydrogenated products thereof, styrene
- SBS hydrogenated
- thermoplastic resins can be used alone or in combination of two or more.
- the molecular weight of the thermoplastic resin is not particularly limited, but in terms of polystyrene, the weight average molecular weight is preferably 5000 to 1,000,000, more preferably 50,000 to 500,000. If it is in this range, it is possible to obtain the characteristics of the present invention, moldability, and the like in a balanced manner.
- the addition amount of the thermoplastic resin is usually 0 to 99% by weight, preferably 0 to 95% by weight, more preferably 0 to 90% by weight, based on 100% by weight of the total of the copolymer and the thermoplastic resin. .
- the addition amount exceeds 99% by weight, the effects of the copolymer (A), such as stress absorption characteristics / damping characteristics, mechanical characteristics, heat resistance, chemical resistance and the like cannot be exhibited.
- the copolymer is preferably 5 to 100% by weight, more preferably 100% by weight relative to the total of 100% by weight of the copolymer and the thermoplastic resin. Is 10 to 100% by weight.
- An inorganic filler can be added to the stress absorbing member / damping material as necessary.
- inorganic fillers include mica (scale-like, flake-like mica, etc.), talc, clay, calcium carbonate, aluminum hydroxide, hydrotalcite, glass fiber, glass beads, glass balloon, glass flake, silica, carbon black, Examples thereof include graphite, titanium oxide, magnesium hydroxide, potassium titanate whisker, and carbon fiber.
- the shape is not particularly limited, such as scaly, spherical, granular, powder, and irregular shapes.
- the amount of these inorganic fillers added is 0 to 100 parts by weight, preferably 0 to 70 parts by weight, more preferably 100 parts by weight in total of the polymer and the thermoplastic resin (B) according to the present invention. Is 0 to 40 parts by weight.
- various additives can be added as necessary.
- the above can refer to an additive.
- the maximum value of the loss tangent tan ⁇ of dynamic viscoelasticity measured at a frequency of 10 rad / s in the temperature range of ⁇ 70 ° C. to 180 ° C. is 0.1 to 10.
- the peak temperature range is ⁇ 50 ° C. to 100 ° C., more preferably ⁇ 40 ° C. to 50 ° C., more preferably ⁇ 30 ° C. to 50 ° C., most preferably ⁇ 10 ° C. to 40 ° C.
- the maximum value of tan ⁇ is It is preferably 0.4 to 8, particularly preferably 0.6 to 6, and further preferably 0.7 to 5. If the maximum value of tan ⁇ is within these ranges, excellent stress absorption characteristics and vibration damping characteristics can be exhibited.
- the maximum value is determined based on sufficiently averaged data in consideration of measurement variation and the like.
- the stress absorbing member / damping material according to the present invention has a dynamic viscoelastic loss factor tan ⁇ peak value that is very high near room temperature, and further has good mechanical properties (breaking strength, tensile elastic modulus), Chemical resistance and stress absorption.
- the vibration damping material and molded product of the present invention are used for vibration damping materials, soundproofing materials, or OA equipment, industrial machines, automobiles, railways, bridges, ships, building materials, interior materials, audio equipment, air conditioners, washing machines, and other home appliances. Suitable as a sound insulating material.
- Additive materials Since the copolymer or copolymer composition of the present invention has an excellent anti-blocking effect and releasability, it is suitable as an additive material.
- the copolymer, copolymer composition or modified product according to the present invention is a thermoplastic resin composition blended with a thermoplastic resin or a thermosetting resin, or a thermosetting resin composition, such as a film, a bottle, or a case. And can be imparted with excellent releasability and water repellency. Moreover, in the injection molding, excellent mold releasability can be imparted.
- the copolymer, copolymer composition or modified product is less likely to bleed out over time, and odor and smoke are not particularly problematic. Furthermore, since the skeleton of the 4-methyl-1-pentene / ⁇ -olefin copolymer is transparent, it is considered difficult to cause deterioration of the transparency of the molded product.
- the resulting molded product When a propylene-based resin is added to the additive material, the resulting molded product has excellent transparency, scratch resistance, whitening resistance, and heat resistance, which are the characteristics of the propylene-based resin. Since stickiness does not occur even when used, it can be used in a wide range of temperature conditions.
- the copolymer, the copolymer composition, and the modified product have a low molecular weight, a narrow molecular weight distribution, and a low content in the low molecular region of the molecular weight distribution.
- the 4-methyl-1-pentene / ⁇ -olefin copolymer is preferably a copolymer of 4-methyl-1-pentene and an ⁇ -olefin having 2 to 3 carbon atoms.
- non-conjugated polyene may be contained in 4-methyl-1-pentene and the ⁇ -olefin having 2 to 3 carbon atoms.
- the additive material is 0.01 to 10 parts by weight, preferably 0.1 to 7 parts by weight, and more preferably 0.1 to 10 parts by weight of the copolymer, copolymer composition or modified product with respect to 100 parts by weight of thermoplastic resin. Add 2-5 parts by weight.
- thermoplastic resin e.g., the said thermoplastic resin (B) is mentioned.
- a thermoplastic resin can also be used individually by 1 type, and can also be used in combination of 2 or more type.
- the 4-methyl-1-pentene / ⁇ -olefin copolymer (A1) according to the present invention has transparency, stress absorption, impact resistance, light weight, flexibility, stress relaxation property, soundproofing property, Excellent vibration, cut, high breakdown voltage, gas permeability, shrinkage, rubber elasticity, kink resistance, adhesiveness, softness-modifying property, and transparency-modifying property.
- the copolymer (A1) according to the present invention includes OA equipment, industrial machinery, automobiles, railways, bridges, ships, anti-vibration mats, anti-vibration dampers and other building materials, interior materials, audio equipment, air conditioners, washing machines, and the like.
- Damping materials such as home appliances, vibration-proof materials, sound-proof materials or sound-insulating materials, shock absorbers such as mouth guards, sport protectors, protectors for nursing care, shock absorbing mats, adhesive materials such as adhesive films and protective film adhesive layers , Protective films, polyolefin modifiers, elastomer modifiers, hot melt adhesive modifiers, easy peel modifiers and other modifiers.
- the 4-methyl-1-pentene / ⁇ -olefin copolymer (A2) according to the present invention is an OA device, an industrial machine, an automobile, a railway, a bridge, a ship, a vibration isolator among the applications described above.
- Mats building materials such as anti-vibration dampers, interior materials, audio equipment, vibration control materials such as home appliances such as air conditioners and washing machines, anti-vibration materials, sound-proof materials or sound-insulating materials, mouth guards, sport protectors, nursing protectors, Shock absorbers such as shock absorbing mats and inner soles of shoes, adhesive materials such as adhesive films and protective film adhesive layers, process protective films for semiconductors, for example, grip materials for sporting goods, stationery and health goods, polyolefin modifiers -Suitable for modifiers such as elastomer modifiers, hot melt adhesive modifiers, and easy peel modifiers.
- adhesive materials such as adhesive films and protective film adhesive layers
- process protective films for semiconductors for example, grip materials for sporting goods, stationery and health goods
- polyolefin modifiers -Suitable for modifiers such as elastomer modifiers, hot melt adhesive modifiers, and easy peel modifiers.
- the 4-methyl-1-pentene / ⁇ -olefin copolymer (A3) and the cross-linked product according to the present invention are excellent in rubber elasticity, compression stress relaxation, heat resistance, foaming characteristics, and foaming property modifying properties.
- a resin especially damping materials such as OA equipment, industrial machinery, automobiles, railways, bridges, ships, anti-vibration mats, anti-vibration dampers, interior materials, audio equipment, home appliances such as air conditioners and washing machines, Suitable for vibration-proof materials, sound-proof materials or sound-insulating materials, shock-absorbing materials, grip materials, vibration-proof rubbers, polyolefin-modified materials, elastomer-modified materials, and foam-modified materials.
- the 4-methyl-1-pentene / ⁇ -olefin copolymer composition (X) according to the present invention has transparency, stress absorption, impact resistance, heat resistance, light weight, flexibility, and stress relaxation. , Scratch resistance, abrasion resistance, soundproofing, vibration damping, cutability, high breakdown voltage, gas permeability, shrinkage, rubber elasticity, kink resistance, adhesiveness, surface tension, softness modification, transparent Since it is excellent in chemical reforming properties, it can be suitably used for the applications described above.
- the 4-methyl-1-pentene / ⁇ -olefin copolymer composition (X11, X21) according to the present invention is used for OA equipment, industrial machinery, automobiles, railways, ships, anti-vibration mats, anti-vibration dampers, etc.
- vibration control materials for home appliances such as air conditioners and washing machines, vibration control materials, soundproof materials or sound insulation materials, vibration control steel plates, mouth guards, sport protectors, nursing protectors, shock absorption Shock absorbing materials such as mats, adhesive materials such as adhesive films and protective film adhesive layers, damping sheets, surface protective films, films and sheets such as protective films for semiconductor processes, polyolefin modifiers, elastomer modifiers, and hot melts Suitable for modifiers such as adhesive modifier, easy peel modifier, and foam modifier.
- the 4-methyl-1-pentene / ⁇ -olefin copolymer composition (X12, X22) comprises a polypropylene modifier, poly-4-methyl-1-pentene modifier, Materials, transparency modifiers, grip materials, packaging films, breathable films, medical tubes, industrial tubes, food containers, heat-resistant containers, medical containers, animal cages, laboratory instruments, nonwoven fabrics, release films It is suitable for.
- 4-methyl-1-pentene copolymer composition (Y) of the present invention will be described.
- 4-Methyl-1-pentene copolymer composition (Y) is lightweight, flexible or rigid, vibration damping, stress absorption, stress relaxation, impact resistance, mechanical properties, toughness, soundproofing, cutting properties Suitable for the applications described above because of its excellent high breakdown voltage, gas permeability, kink resistance, cold resistance, stretchability, creep properties, adhesiveness, softness-modifying properties, no stickiness during molding, etc. Can be used.
- composition and B value Quantification of 4-methyl-1-pentene and ⁇ -olefin content and non-conjugated polyene in the polymer was measured by 13 C-NMR.
- (B value) ⁇ I PM / (2 ⁇ I P ⁇ I M ) ⁇ [Melting point (Tm)]
- the melting point (Tm) of the polymer was measured with a differential scanning calorimeter (DSC) using a DSC220C apparatus manufactured by Seiko Instruments Inc. Samples 7-12 mg obtained from the polymerization were sealed in an aluminum pan and heated from room temperature to 200 ° C. at 10 ° C./min. The sample was held at 200 ° C. for 5 minutes to completely melt and then cooled to ⁇ 50 ° C. at 10 ° C./min. After 5 minutes at ⁇ 50 ° C., the sample was heated a second time to 200 ° C. at 10 ° C./min. The peak temperature in the second heating test was adopted as the melting point (Tm).
- a sheet was molded at a pressure of 10 MPa using a hydraulic hot press manufactured by Shindo Metal Industry Co., Ltd. set to 200 ° C.
- a hydraulic hot press manufactured by Shindo Metal Industry Co., Ltd. set to 200 ° C.
- the remaining heat is set to about 5 to 7 minutes and 1 at 10 MPa.
- the sample was compressed at 10 MPa and cooled for about 5 minutes to prepare a measurement sample.
- a 5 mm thick brass plate was used as the hot plate.
- Various physical property evaluations were performed using the obtained samples.
- ⁇ HS (Shore A hardness value immediately after start of pressing needle contact ⁇ Shore A hardness value 15 seconds after start of pressing needle contact).
- ⁇ HS (Shore D hardness value immediately after start of pressing needle contact ⁇ Shore D hardness value 15 seconds after start of pressing needle contact).
- the abrasion resistance evaluation was measured by the gloss change rate (%) after Gakushoku wear.
- ⁇ G ⁇ (Gloss before wear ⁇ Gloss after wear) / Gloss before wear ⁇ ⁇ 100 [Tensile modulus (YM), tensile elongation at break (EL), tensile yield stress (YS), tensile stress at break (TS)] Evaluation of tensile modulus (YM), tensile elongation at break (EL), tensile yield stress (YS), and tensile fracture stress (TS), which are tensile properties, is a 1 mm thick press sheet obtained by the above method. A JISK7113 type 2 test piece 1/2 punched out from was used as an evaluation sample, and the test was carried out in an atmosphere of 23 ° C. at a tensile speed of 30 mm / min.
- Tensile permanent set (PS) Tensile permanent set (PS) was evaluated by using a JISK7113 type 2 test piece 1/2 punched out from a 1 mm thick press sheet obtained by the above method as an evaluation sample, with a tensile rate of 30 mm / min and an elongation of 100%. The distance between chucks of the test piece was measured. The test piece was held for 10 minutes under an atmosphere of 23 degrees, and the distance between chucks of the test piece after 10 minutes of opening was measured, and the difference was obtained.
- MFR The MFR of the crystalline olefin resin (BB) was measured at 230 ° C. and a load of 2.16 kg according to JIS K-6721.
- the MFR of the ⁇ -olefin copolymer (CC) conforms to JIS K-6721.
- the ethylene / ⁇ -olefin copolymer and the butene / ⁇ -olefin copolymer are 2.16 kg at 190 ° C.
- the olefin copolymer was measured at 230 ° C. with a load of 2.16 kg.
- Example 1 750 ml of 4-methyl-1-pentene was charged at 23 ° C. into a 1.5-liter stirring SUS autoclave sufficiently purged with nitrogen. The autoclave was charged with 0.75 ml of a 1.0 mmol / ml toluene solution of triisobutylaluminum (TIBAl), and the stirrer was rotated. Next, the autoclave was heated to an internal temperature of 30 ° C. and pressurized with propylene so that the total pressure became 0.74 MPaG.
- TIBAl triisobutylaluminum
- methylaluminoxane prepared in advance, 1 mmol in terms of Al, diphenylmethylene (1-ethyl-3-t-butyl-cyclopentadienyl) (2,7-di-t-butyl-fluorenyl)
- a toluene solution containing 0.35 ml of zirconium dichloride in an amount of 0.005 mmol was pressed into the autoclave with nitrogen to initiate polymerization. Thereafter, the temperature of the autoclave was adjusted to 60 ° C. for 60 minutes.
- the obtained polymer was 56.3 g, and the propylene content in the polymer was 75.3 mol%.
- the Tm of the polymer was not observed, and the intrinsic viscosity [ ⁇ ] was 1.5 dl / g.
- the amount of methyl acetate extracted was 0.6% by weight.
- YM was 1 MPa, ⁇ HS was 14, and the maximum value of tan ⁇ was 3.5 (temperature at maximum: 6 ° C.).
- the physical properties of the obtained polymer are shown in Table 1.
- Example 2 750 ml of 4-methyl-1-pentene (4MP1) was charged at 23 ° C. into a 1.5-liter stirring SUS autoclave sufficiently purged with nitrogen. The autoclave was charged with 0.75 ml of a 1.0 mmol / ml toluene solution of triisobutylaluminum (TIBAl), and the stirrer was rotated. Next, the autoclave was heated to an internal temperature of 30 ° C. and pressurized with propylene so that the total pressure was 0.68 MPaG.
- TIBAl triisobutylaluminum
- methylaluminoxane prepared in advance, 1 mmol in terms of Al, diphenylmethylene (1-methyl-3-t-butyl-cyclopentadienyl) (2,7-di-t-butyl-fluorenyl) Polymerization was initiated by injecting 0.34 ml of a toluene solution containing 0.005 mmol of zirconium dichloride into the autoclave with nitrogen. Thereafter, the temperature of the autoclave was adjusted to 60 ° C. for 60 minutes. Sixty minutes after the start of polymerization, 5 ml of methanol was pressed into the autoclave with nitrogen to stop the polymerization, and the autoclave was depressurized to atmospheric pressure. Acetone was poured into the reaction solution with stirring. The resulting rubbery polymer containing the solvent was dried at 130 ° C. under reduced pressure for 12 hours.
- the obtained polymer was 45.9 g, and the propylene content in the polymer was 68.9 mol%.
- the Tm of the polymer was not observed, and the intrinsic viscosity [ ⁇ ] was 1.47 dl / g.
- the amount of methyl acetate extracted was 0.2% by weight.
- YM was 1 MPa, ⁇ HS was 24, and the maximum value of tan ⁇ was 3.2 (temperature when maximum reached: 11 ° C.).
- the physical properties of the obtained polymer are shown in Table 1.
- Example 3 Polymerization was carried out in the same manner as in Example 2, except that propylene was pressurized so that the total pressure in the polymerization vessel was 0.35 MPaG.
- the obtained polymer was 46.9 g, and the propylene content in the polymer was 52.7 mol%.
- the amount of methyl acetate extracted was 0.2% by weight.
- YM was 3 MPa, ⁇ HS was 38, and the maximum value of tan ⁇ was 3.4 (temperature at which the maximum value was reached: 19 ° C.).
- the physical properties of the obtained polymer are shown in Table 1.
- Example 4 Polymerization was carried out in the same manner as in Example 1 except that propylene was pressurized so that the total pressure in the polymerization vessel was 0.20 MPaG.
- the obtained polymer was 35.5 g, and the propylene content in the polymer was 40.0 mol%.
- the amount of methyl acetate extracted was 0.3% by weight.
- YM was 15 MPa
- ⁇ HS was 39
- the maximum value of tan ⁇ was 3.0 (temperature at maximum: 24 ° C.).
- the physical properties of the obtained polymer are shown in Table 1.
- Example 5 Polymerization was carried out in the same manner as in Example 2, except that propylene was pressurized so that the total pressure in the polymerization vessel was 0.15 MPaG.
- the obtained polymer was 46.9 g, and the propylene content in the polymer was 38.0 mol%.
- YM 80 MPa, ⁇ HS was 40, and the maximum value of tan ⁇ was 2.8 (temperature at maximum: 25 ° C.).
- the physical properties of the obtained polymer are shown in Table 1.
- Example 6 Polymerization was carried out in the same manner as in Example 2 except that pressurization with propylene was performed so that the total pressure in the polymerization vessel was 0.15 MPaG, and the polymerization temperature was 60 ° C.
- the obtained polymer was 24.0 g, and the propylene content in the polymer was 29.1 mol%.
- the amount of methyl acetate extracted was 0.2% by weight.
- YM was 176 MPa, ⁇ HS was 24, and the maximum value of tan ⁇ was 2.5 (temperature when maximum reached: 26 ° C.).
- the physical properties of the obtained polymer are shown in Table 1.
- Example 7 Polymerization was carried out in the same manner as in Example 1 except that the polymerization vessel was pressurized with propylene so that the total pressure in the polymerization vessel was 0.13 MPaG and the polymerization temperature was 60 ° C.
- the obtained polymer was 22.6 g, and the propylene content in the polymer was 28.1 mol%.
- the extracted amount of methyl acetate was 0.4% by weight.
- YM was 72 MPa, ⁇ HS was 31, and the maximum value of tan ⁇ was 2.2 (temperature at the time of maximum: 30 ° C.).
- the physical properties of the obtained polymer are shown in Table 1.
- Example 8 Example except that 100 ml of 4-methyl-1-pentene and 650 ml of n-hexane were charged into the polymerization vessel and pressurized with propylene so that the total pressure became 0.68 MPaG, and the polymerization temperature was 60 ° C. Polymerization was carried out in the same manner as in Example 4.
- the obtained polymer was 35.3 g, and the propylene content in the polymer was 88.0 mol%.
- the physical properties of the obtained polymer are shown in Table 1.
- Example 9 instead of (1-methyl-3-t-butyl-cyclopentadienyl) (2,7-di-t-butyl-fluorenyl) zirconium dichloride, di-p-chlorophenylene (cyclopentadienyl) (1, Polymerization using 1,4,4,7,7,10,10-octamethyl-1,2,3,4,7,8,9,10-octahydrodibenz (b, h) -fluorenyl) zirconium dichloride Polymerization was carried out in the same manner as in Example 2 except that the temperature was 60 ° C.
- the obtained polymer was 17.5 g, and the propylene content in the polymer was 67.2 mol%.
- the Tm of the polymer was not observed, and the intrinsic viscosity [ ⁇ ] was 1.01 dl / g.
- YM was 1 MPa, ⁇ HS was 36, and the maximum value of tan ⁇ was 2.6 (temperature at which the maximum was reached: 20 ° C.).
- the physical properties of the obtained polymer are shown in Table 1.
- Example 10 750 ml of 4-methyl-1-pentene was charged at 23 ° C. into a 1.5-liter stirring SUS autoclave sufficiently purged with nitrogen. The autoclave was charged with 0.75 ml of a 1.0 mmol / ml toluene solution of triisobutylaluminum (TIBAl), and the stirrer was rotated. Next, the autoclave was heated to an internal temperature of 60 ° C. and pressurized with ethylene so that the total pressure was 0.15 MPaG.
- TIBAl triisobutylaluminum
- the obtained polymer was 24.8 g, and the ethylene content in the polymer was 21.0 mol%.
- the Tm of the polymer was not observed, and the intrinsic viscosity [ ⁇ ] was 1.0 dl / g.
- YM was 1 MPa, ⁇ HS was 20, and the maximum value of tan ⁇ was 0.7 (temperature at maximum: 23 ° C.).
- the physical properties of the obtained polymer are shown in Table 1.
- Example 11 Polymerization was carried out in the same manner as in Example 10 except that ethylene was pressurized so that the total pressure in the polymerization vessel was 0.68 MPaG.
- the obtained polymer was 24.8 g, and the ethylene content in the polymer was 35.0 mol%.
- the Tm of the polymer was not observed, and the intrinsic viscosity [ ⁇ ] was 1.7 dl / g.
- YM was 0.3 MPa, ⁇ HS was 30, and the maximum value of tan ⁇ was 2.7 (temperature at which the maximum was reached: 2 ° C.).
- the physical properties of the obtained polymer are shown in Table 1.
- Example 12 750 ml of 4-methyl-1-pentene was charged at 23 ° C. into a 1.5-liter stirring SUS autoclave sufficiently purged with nitrogen. The autoclave was charged with 0.75 ml of a 1.0 mmol / ml toluene solution of triisobutylaluminum (TIBAl), and the stirrer was rotated. Next, 180 g of butene-1 was injected.
- TIBAl triisobutylaluminum
- the autoclave was heated to an internal temperature of 60 ° C., and methylaluminoxane prepared in advance, 1 mmol in terms of Al, diphenylmethylene (1-methyl-3-tert-butyl-cyclopentadienyl) (2,7 0.75 ml of a toluene solution containing -di-t-butyl-fluorenyl) zirconium dichloride in an amount of 0.01 mmol was injected into the autoclave with nitrogen to initiate polymerization. Thereafter, the temperature of the autoclave was adjusted to 60 ° C. for 40 minutes.
- the obtained polymer was 59.4 g, and the butene content in the polymer was 42.0 mol%.
- the Tm of the polymer was not observed, and the intrinsic viscosity [ ⁇ ] was 1.41 dl / g.
- YM was 140 MPa, ⁇ HS was 16, and the maximum value of tan ⁇ was 0.6 (temperature at which the maximum was reached: 5 ° C.).
- the physical properties of the obtained polymer are shown in Table 1.
- Example 13 A SUS autoclave with a stirring blade having a capacity of 1.5 liters, sufficiently purged with nitrogen, was charged at 23 ° C. with 750 ml of 4-methyl-1-pentene and 4.5 ml of 5-ethylidene-2-norbornene (ENB). The autoclave was charged with 0.75 ml of a 1.0 mmol / ml toluene solution of triisobutylaluminum (TIBAl), and the stirrer was rotated. Next, the autoclave was heated to an internal temperature of 60 ° C. and pressurized with ethylene so that the total pressure became 0.63 MPaG.
- TIBAl triisobutylaluminum
- the obtained polymer was 26.0 g, the ethylene content in the polymer was 53.4 mol%, and the ENB content was 1.6 mol%.
- the Tm of the polymer was not observed, and the intrinsic viscosity [ ⁇ ] was 1.29 dl / g.
- YM was 1 MPa, ⁇ HS was 22, and the maximum value of tan ⁇ was 2.8 (temperature at which the maximum was reached: ⁇ 16 ° C.).
- the physical properties of the obtained polymer are shown in Table 1.
- a toluene solution containing 0.013 mmol of a solid titanium catalyst prepared based on Japanese Patent Application Laid-Open No. 2008-144155 was injected into the autoclave with 4.7 ml of nitrogen to initiate polymerization. Thereafter, the temperature of the autoclave was adjusted to 60 ° C. for 60 minutes. Sixty minutes after the start of polymerization, 5 ml of methanol was pressed into the autoclave with nitrogen to stop the polymerization, and the autoclave was depressurized to atmospheric pressure. Acetone was poured into the reaction solution with stirring. The resulting rubbery polymer containing the solvent was dried at 130 ° C. under reduced pressure for 12 hours.
- the obtained polymer was 77.1 g, and the propylene content in the polymer was 85.0 mol%.
- the polymer Tm was 146.1 ° C. and the intrinsic viscosity [ ⁇ ] was 1.16 dl / g.
- Mw / Mn was 6.7, YM was 153 MPa, ⁇ HS was 7, and the maximum value of tan ⁇ was 0.5 (temperature when maximum reached: 8 ° C.).
- the physical properties of the obtained polymer are shown in Table 1.
- the hexene content in the polymer is 45.6 mol%
- the Tm of the polymer is 165 ° C.
- the intrinsic viscosity [ ⁇ ] is 2.3 dl / g
- the methyl acetate extract is 1.5 wt%
- the YM is 153 MPa
- the ⁇ HS is 11
- the maximum value of tan ⁇ was 0.3 (temperature at which the maximum value was reached: 1 ° C.).
- the physical properties of the obtained polymer are shown in Table 1.
- Example 14 83 parts by weight of the 4-methyl-1-pentene / ⁇ -olefin copolymer obtained in Example 2 and 17 parts by weight of Terpen hydrogenated resin Clearon P-125 manufactured by Yashara Chemical Co., Ltd. were blended. Furthermore, 1000 ppm of hindered phenolic antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd., 1000 ppm of phosphorous processing heat stabilizer Irgafos 168, and calcium stearate manufactured by NOF Corporation based on 100 parts by weight of the composition. Of 500 ppm.
- Example 15 83 parts by weight of the 4-methyl-1-pentene / ⁇ -olefin copolymer obtained in Example 5 and 17 parts by weight of Terpene hydrogenated resin Clearon P-125 manufactured by Yashara Chemical Co., Ltd. were blended. Furthermore, 1000 ppm of hindered phenolic antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd., 1000 ppm of phosphorous processing heat stabilizer Irgafos 168, and calcium stearate manufactured by NOF Corporation based on 100 parts by weight of the composition. Of 500 ppm.
- Example 16 60 parts by weight of 4-methyl-1-pentene / ⁇ -olefin copolymer obtained in Example 5 and 40 parts by weight of hydrogenated styrene thermoplastic elastomer Tuftec H1041 manufactured by Asahi Kasei Co., Ltd. were blended. Furthermore, 1000 ppm of hindered phenolic antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd., 1000 ppm of phosphorous processing heat stabilizer Irgafos 168, and calcium stearate manufactured by NOF Corporation based on 100 parts by weight of the composition. Of 500 ppm.
- Example 17 80 parts by weight of the 4-methyl-1-pentene / ⁇ -olefin copolymer obtained in Example 5 and 20 parts by weight of process oil PW-100 manufactured by Idemitsu Kosan Co., Ltd. were blended. Furthermore, 1000 ppm of hindered phenolic antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd., 1000 ppm of phosphorous processing heat stabilizer Irgafos 168, and calcium stearate manufactured by NOF Corporation based on 100 parts by weight of the composition. Of 500 ppm.
- Example 18 60 parts by weight of the 4-methyl-1-pentene / ⁇ -olefin copolymer obtained in Example 5 and 40 parts by weight of process oil PW-100 manufactured by Idemitsu Kosan Co., Ltd. were blended. Furthermore, 1000 ppm of hindered phenolic antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd., 1000 ppm of phosphorous processing heat stabilizer Irgafos 168, and calcium stearate manufactured by NOF Corporation based on 100 parts by weight of the composition. Of 500 ppm.
- Example 19 20 parts by weight of the 4-methyl-1-pentene / ⁇ -olefin copolymer obtained in Example 2 and 80 parts by weight of Polypropylene F107P manufactured by Prime Polymer Co., Ltd. were blended. Furthermore, with respect to 100 parts by weight of the composition, 1000 ppm of hindered phenolic antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd. The rate was 500 ppm.
- Example 20 40 parts by weight of the 4-methyl-1-pentene / ⁇ -olefin copolymer obtained in Example 2 and 60 parts by weight of Polypropylene F107P manufactured by Prime Polymer Co., Ltd. were blended. Furthermore, with respect to 100 parts by weight of the composition, 1000 ppm of hindered phenolic antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd. The rate was 500 ppm.
- Example 21 20 parts by weight of the 4-methyl-1-pentene / ⁇ -olefin copolymer obtained in Example 5 and 80 parts by weight of Polypropylene F107P manufactured by Prime Polymer Co., Ltd. were blended. Furthermore, with respect to 100 parts by weight of the composition, 1000 ppm of hindered phenolic antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd. The rate was 500 ppm.
- Example 22 20 parts by weight of 4-methyl-1-pentene / ⁇ -olefin copolymer obtained in Example 2 and poly-4-methyl-1-pentene (manufactured by Mitsui Chemicals, TPX RT-18, homopolymer) 80 parts by weight were blended. Furthermore, with respect to 100 parts by weight of the composition, 1000 ppm of hindered phenolic antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd. The rate was 500 ppm.
- Example 23 20 parts by weight of the 4-methyl-1-pentene / ⁇ -olefin copolymer obtained in Example 5 and 80 parts by weight of poly-4-methyl-1-pentene (manufactured by Mitsui Chemicals, TPX RT-18) Blended. Furthermore, with respect to 100 parts by weight of the composition, 1000 ppm of hindered phenolic antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd. The rate was 500 ppm.
- Example 24 40 parts by weight of the 4-methyl-1-pentene / ⁇ -olefin copolymer obtained in Example 5 and 60 parts by weight of poly-4-methyl-1-pentene (manufactured by Mitsui Chemicals, Inc., TPX RT-18) Blended. Furthermore, with respect to 100 parts by weight of the composition, 1000 ppm of hindered phenolic antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd. The rate was 500 ppm.
- Comparative Example 7 20 parts by weight of the ethylene / ⁇ -olefin copolymer shown in Comparative Example 5 and 80 parts by weight of Polypropylene F107P manufactured by Prime Polymer Co., Ltd. were blended. Furthermore, with respect to 100 parts by weight of the composition, 1000 ppm of hindered phenolic antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd. The rate was 500 ppm.
- Comparative Example 8 20 parts by weight of the ethylene / ⁇ -olefin copolymer shown in Comparative Example 5 and 80 parts by weight of poly-4-methyl-1-pentene (manufactured by Mitsui Chemicals, TPX RT-18) were blended. Furthermore, with respect to 100 parts by weight of the composition, 1000 ppm of hindered phenolic antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd. The rate was 500 ppm.
- Example 25 90 parts by weight of the 4-methyl-1-pentene / ⁇ -olefin copolymer obtained in Example 1 and 10 parts by weight of Polypropylene F107P manufactured by Prime Polymer Co., Ltd. were blended. Furthermore, with respect to 100 parts by weight of the composition, 1000 ppm of hindered phenolic antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd. The rate was 500 ppm.
- Example 26 70 parts by weight of the 4-methyl-1-pentene / ⁇ -olefin copolymer obtained in Example 1 and 30 parts by weight of Polypropylene F107P manufactured by Prime Polymer Co., Ltd. were blended. Furthermore, with respect to 100 parts by weight of the composition, 1000 ppm of hindered phenolic antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd. The rate was 500 ppm.
- Example 27 80 parts by weight of the 4-methyl-1-pentene / ⁇ -olefin copolymer obtained in Example 1 and 20 parts by weight of Prime TPO M2606 manufactured by Prime Polymer Co., Ltd. were blended. Furthermore, with respect to 100 parts by weight of the composition, 1000 ppm of hindered phenolic antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd. The rate was 500 ppm.
- Example 28 60 parts by weight of the 4-methyl-1-pentene / ⁇ -olefin copolymer obtained in Example 1 and 40 parts by weight of Prime TPO M2606 manufactured by Prime Polymer Co., Ltd. were blended. Furthermore, with respect to 100 parts by weight of the composition, 1000 ppm of hindered phenolic antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd. The rate was 500 ppm.
- Example 29 70 parts by weight of the 4-methyl-1-pentene / ⁇ -olefin copolymer obtained in Example 1 and 30 parts by weight of Tuffmer XM7070 manufactured by Mitsui Chemicals, Inc. were blended. Furthermore, with respect to 100 parts by weight of the composition, 1000 ppm of hindered phenolic antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd. The rate was 500 ppm.
- Example 30 80 parts by weight of the 4-methyl-1-pentene / ⁇ -olefin copolymer obtained in Example 2 and 20 parts by weight of Polypropylene F107P manufactured by Prime Polymer Co., Ltd. were blended. Furthermore, with respect to 100 parts by weight of the composition, 1000 ppm of hindered phenolic antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd. The rate was 500 ppm.
- Example 31 80 parts by weight of the 4-methyl-1-pentene / ⁇ -olefin copolymer obtained in Example 3 and 20 parts by weight of poly-4-methyl-1-pentene (manufactured by Mitsui Chemicals, TPX RT-18) Blended. Furthermore, with respect to 100 parts by weight of the composition, 1000 ppm of hindered phenolic antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd. The rate was 500 ppm.
- Example 32 80 parts by weight of the 4-methyl-1-pentene / ⁇ -olefin copolymer obtained in Example 5 and 20 parts by weight of Polypropylene F107P manufactured by Prime Polymer Co., Ltd. were blended. Furthermore, with respect to 100 parts by weight of the composition, 1000 ppm of hindered phenolic antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd. The rate was 500 ppm.
- Example 33 80 parts by weight of the 4-methyl-1-pentene / ⁇ -olefin copolymer obtained in Example 5 and 20 parts by weight of poly-4-methyl-1-pentene (manufactured by Mitsui Chemicals, TPX RT-18) Blended. Furthermore, with respect to 100 parts by weight of the composition, 1000 ppm of hindered phenolic antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd. The rate was 500 ppm.
- Example 34 65 parts by weight of the 4-methyl-1-pentene / ⁇ -olefin copolymer obtained in Example 1 and 35 parts by weight of hydrogenated styrene / isoprene / styrene copolymer Hibler 5127 manufactured by Kuraray Co., Ltd. were blended. . Furthermore, 1000 ppm of hindered phenolic antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd., 1000 ppm of phosphorous processing thermal stabilizer Irgafos 168, and 500 ppm of calcium stearate manufactured by NOF Co., Ltd. are obtained with respect to the obtained mixture. Blended.
- Example 35 20 parts by weight of 4-methyl-1-pentene / ⁇ -olefin copolymer obtained in Example 1 and 80 parts by weight of hydrogenated styrene / isoprene / styrene copolymer Hibler 5127 manufactured by Kuraray Co., Ltd. were blended. . Furthermore, 1000 ppm of hindered phenolic antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd., 1000 ppm of phosphorous processing thermal stabilizer Irgafos 168, and 500 ppm of calcium stearate manufactured by NOF Co., Ltd. are obtained with respect to the obtained mixture. Blended.
- Example 36 65 parts by weight of the 4-methyl-1-pentene / ⁇ -olefin copolymer obtained in Example 4 and 35 parts by weight of hydrogenated styrene / isoprene / styrene copolymer Hibler 5127 manufactured by Kuraray Co., Ltd. were blended. . Furthermore, 1000 ppm of hindered phenolic antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd., 1000 ppm of phosphorous processing thermal stabilizer Irgafos 168, and 500 ppm of calcium stearate manufactured by NOF Co., Ltd. are obtained with respect to the obtained mixture. Blended.
- Example 37 20 parts by weight of 4-methyl-1-pentene / ⁇ -olefin copolymer obtained in Example 4 and 80 parts by weight of hydrogenated styrene / isoprene / styrene copolymer Hibler 5127 manufactured by Kuraray Co., Ltd. were blended. . Furthermore, 1000 ppm of hindered phenolic antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd., 1000 ppm of phosphorous processing thermal stabilizer Irgafos 168, and 500 ppm of calcium stearate manufactured by NOF Co., Ltd. are obtained with respect to the obtained mixture. Blended.
- Example 38 80 parts by weight of the 4-methyl-1-pentene / ⁇ -olefin copolymer obtained in Example 4 and 20 parts by weight of poly 1-butene (Tuffmer BL P5000) manufactured by Mitsui Chemicals, Inc. were blended. Furthermore, 1000 ppm of hindered phenolic antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd., 1000 ppm of phosphorous processing thermal stabilizer Irgafos 168, and 500 ppm of calcium stearate manufactured by NOF Co., Ltd. are obtained with respect to the obtained mixture. Blended. These were melted using a lab plast mill (biaxial batch type melt kneader) manufactured by Toyo Seiki Co., Ltd.
- a lab plast mill biaxial batch type melt kneader
- Example 39 90 parts by weight of the 4-methyl-1-pentene / ⁇ -olefin copolymer obtained in Example 4 and 10 parts by weight of poly 1-butene (Tuffmer BL P5000) manufactured by Mitsui Chemicals, Inc. were blended. Furthermore, 1000 ppm of hindered phenolic antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd., 1000 ppm of phosphorous processing thermal stabilizer Irgafos 168, and 500 ppm of calcium stearate manufactured by NOF Co., Ltd. are obtained with respect to the obtained mixture. Blended. These were melted using a lab plast mill (biaxial batch type melt kneader) manufactured by Toyo Seiki Co., Ltd.
- a lab plast mill biaxial batch type melt kneader
- Example 40 90 parts by weight of the 4-methyl-1-pentene / ⁇ -olefin copolymer obtained in Example 3 and 10 parts by weight of poly 1-butene (Tuffmer BL P5000) manufactured by Mitsui Chemicals, Inc. were blended. Furthermore, 1000 ppm of hindered phenolic antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd., 1000 ppm of phosphorous processing thermal stabilizer Irgafos 168, and 500 ppm of calcium stearate manufactured by NOF Co., Ltd. are obtained with respect to the obtained mixture. Blended. These were melted using a lab plast mill (biaxial batch type melt kneader) manufactured by Toyo Seiki Co., Ltd.
- a lab plast mill biaxial batch type melt kneader
- Example 41 90 parts by weight of the 4-methyl-1-pentene / ⁇ -olefin copolymer obtained in Example 4 and 10 parts by weight of Polypropylene E-200GP manufactured by Prime Polymer Co., Ltd. were blended. Furthermore, 1000 ppm of hindered phenolic antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd., 1000 ppm of phosphorous processing thermal stabilizer Irgafos 168, and 500 ppm of calcium stearate manufactured by NOF Co., Ltd. are obtained with respect to the obtained mixture. Blended. These were melted using a lab plast mill (biaxial batch type melt kneader) manufactured by Toyo Seiki Co., Ltd.
- a lab plast mill biaxial batch type melt kneader
- Example 42 90 parts by weight of the 4-methyl-1-pentene / ⁇ -olefin copolymer obtained in Example 4 and 10 parts by weight of poly 1-butene copolymer BL2481 manufactured by Mitsui Chemicals, Inc. were blended. Furthermore, 1000 ppm of hindered phenolic antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd., 1000 ppm of phosphorous processing thermal stabilizer Irgafos 168, and 500 ppm of calcium stearate manufactured by NOF Co., Ltd. are obtained with respect to the obtained mixture. Blended. These were melted using a lab plast mill (biaxial batch type melt kneader) manufactured by Toyo Seiki Co., Ltd.
- a lab plast mill biaxial batch type melt kneader
- Example 43 90 parts by weight of the 4-methyl-1-pentene / ⁇ -olefin copolymer obtained in Example 4 and 10 parts by weight of Tuffmer XM7070 manufactured by Mitsui Chemicals, Inc. were blended. Furthermore, 1000 ppm of hindered phenolic antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd., 1000 ppm of phosphorous processing thermal stabilizer Irgafos 168, and 500 ppm of calcium stearate manufactured by NOF Co., Ltd. are obtained with respect to the obtained mixture. Blended. These were melted using a lab plast mill (biaxial batch type melt kneader) manufactured by Toyo Seiki Co., Ltd.
- a lab plast mill biaxial batch type melt kneader
- Comparative Example 2 For reference, Comparative Example 2 is also shown in Table 4.
- Example 44 15 parts by weight of 4-methyl-1-pentene / ⁇ -olefin copolymer obtained in Example 1 and ethylene / propylene / 5-ethylidene-2-norbornene terpolymer [trade names: Mitsui EPT3072EM, Mitsui Chemical Co., Ltd.]
- ethylene / propylene / 5-ethylidene-2-norbornene terpolymer (trade names: Mitsui EPT3072EM, Mitsui Chemical Co., Ltd.]
- zinc oxide trade name; 2 types of zinc oxide, manufactured by Hakusuitec Co., Ltd.
- 1 of stearic acid as a processing aid 47 parts by weight of “Diana Process Oil PW-380” (trade name; manufactured by Idemitsu Kosan Co., Ltd.) and 80 parts by weight of carbon black (trade name; manufactured by Seast G116 Tokai Carbon Co., Ltd.) were kneaded.
- the kneading conditions were a rotor rotation speed of 50 rpm, a floating weight pressure of 3 kg / cm 2 , a kneading time of 5 minutes, and a kneading discharge temperature of 145 ° C.
- “Sunseller PZ” (trade name; manufactured by Sanshin Chemical Industry Co., Ltd.) was used as a vulcanization accelerator to the compound using a 14-inch roll.
- Example 45 A rubber sheet having a thickness of 2 mm was prepared and its physical properties were measured in the same manner as in Example 44, except that 30 parts by weight of the 4-methyl-1-pentene / ⁇ -olefin copolymer obtained in Example 1 was used. did. Various measurement results are shown in Table 5.
- Example 46 A rubber sheet having a thickness of 2 mm was prepared and its physical properties were measured in the same manner as in Example 44, except that 15 parts by weight of the 4-methyl-1-pentene / ⁇ -olefin copolymer obtained in Example 4 was used. did. Various measurement results are shown in Table 5.
- Example 47 A rubber sheet having a thickness of 2 mm was prepared and its physical properties were measured in the same manner as in Example 44, except that 30 parts by weight of the 4-methyl-1-pentene / ⁇ -olefin copolymer obtained in Example 4 was used. did. Various measurement results are shown in Table 5.
- Example 9 Except for not containing 4-methyl-1-pentene / ⁇ -olefin copolymer, the same operation as in Example 44 was performed to prepare a rubber sheet having a thickness of 2 mm, and the physical properties thereof were measured. Various measurement results are shown in Table 5.
- methylaluminoxane prepared in advance, 1 mmol in terms of Al, diphenylmethylene (1-ethyl-3-t-butyl-cyclopentadienyl) (2,7-di-t-butyl-fluorenyl)
- a toluene solution containing 0.35 ml of zirconium dichloride in an amount of 0.005 mmol was pressed into the autoclave with nitrogen to initiate polymerization. Thereafter, the temperature of the autoclave was adjusted to 60 ° C. for 60 minutes.
- the obtained polymer was 56.3 g, and the propylene content in the polymer was 40.4% by weight.
- the Tm of the polymer was not observed, and the intrinsic viscosity [ ⁇ ] was 1.5 dl / g.
- methylaluminoxane prepared in advance, 1 mmol in terms of Al, diphenylmethylene (1-methyl-3-t-butyl-cyclopentadienyl) (2,7-di-t-butyl-fluorenyl) Polymerization was initiated by injecting 0.34 ml of a toluene solution containing 0.005 mmol of zirconium dichloride into the autoclave with nitrogen. Thereafter, the temperature of the autoclave was adjusted to 60 ° C. for 60 minutes. Sixty minutes after the start of polymerization, 5 ml of methanol was pressed into the autoclave with nitrogen to stop the polymerization, and the autoclave was depressurized to atmospheric pressure. Acetone was poured into the reaction solution with stirring. The resulting rubbery polymer containing the solvent was dried at 130 ° C. under reduced pressure for 12 hours.
- the obtained polymer was 45.9 g, and the 4-methyl-1-pentene content in the polymer was 47.4% by weight.
- the Tm of the polymer was not observed, and the intrinsic viscosity [ ⁇ ] was 1.47 dl / g.
- Polymerization Example (AA-3) Polymerization was carried out in the same manner as in Polymerization Example AA-2 except that propylene was pressurized so that the total pressure in the polymerization vessel was 0.35 MPaG.
- the obtained polymer was 46.9 g, and the 4-methyl-1-pentene content in the polymer was 64.0% by weight.
- Polymerization example (AA-4) Polymerization was carried out in the same manner as in Polymerization Example AA-2 except that propylene was pressurized so that the total pressure in the polymerization vessel was 0.15 MPaG.
- the obtained polymer was 46.9 g, and the 4-methyl-1-pentene content in the polymer was 76.6% by weight.
- Polymerization Example (AA-5) Polymerization was carried out in the same manner as in Polymerization Example AA-2, except that propylene was pressurized so that the total pressure in the polymerization vessel was 0.15 MPaG and the polymerization temperature was 60 ° C.
- the obtained polymer was 24.0 g, and the 4-methyl-1-pentene content in the polymer was 83.0% by weight.
- Enyl) (3,6-di-tert-butylfluorenyl) zirconium dichloride in toluene (5.0 ⁇ mol) was added and stirred for 20 minutes.
- This solution was added to toluene in a glass autoclave in which propylene had been circulated, and polymerization was started.
- Propylene gas was continuously supplied at an amount of 150 L / hour, and polymerization was performed at 25 ° C. under normal pressure for 45 minutes, and then a small amount of methanol was added to stop the polymerization.
- the polymer solution was added to a large excess of methanol to precipitate the polymer and dried under reduced pressure at 80 ° C. for 12 hours. As a result, 2.38 g of polymer was obtained.
- Table 7 shows the physical properties of the polymer obtained.
- [ ⁇ -olefin copolymer (CC-1)] A 1000 ml polymerization apparatus purged with nitrogen was charged with 1834 ml of dry hexane, 1144 g of 1-octene and triisobutylaluminum (1.0 mmol) at room temperature, and the polymerization apparatus was heated to 80 ° C. with ethylene. The system internal pressure was adjusted to 0.75 MPa.
- [ ⁇ -olefin copolymer (CC-6)] A 2000 ml polymerization apparatus purged with nitrogen was charged with 775 ml of dry hexane, 135 g of 1-butene and triisobutylaluminum (1.0 mmol) at room temperature, and the polymerization apparatus internal temperature was raised to 50 ° C. with propylene. Pressurized to 0.7 MPa. Next, a toluene solution in which 0.002 mmol of dimethylmethylene (3-tert-butyl-5-methylcyclopentadienyl) fluorenylzirconium dichloride and 0.6 mmol of methylaluminoxane (produced by Tosoh Finechem) were contacted with aluminum.
- Example Y-1 70 parts by weight of 4-methyl-1-pentene copolymer (AA-1), 20 parts by weight of crystalline olefin resin (BB-4), and 10 parts by weight of olefin copolymer (CC-3) are blended. . Furthermore, with respect to 100 parts by weight of the composition, 1000 ppm of hindered phenol antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd., 1000 ppm of phosphorous processing heat stabilizer Irgafos 168, calcium steaor manufactured by NOF Corporation Formulate 500 ppm.
- Example Y-2 60 parts by weight of 4-methyl-1-pentene copolymer (AA-1), 20 parts by weight of crystalline olefin resin (BB-4), and 20 parts by weight of olefin copolymer (CC-3) are blended. . Furthermore, with respect to 100 parts by weight of the composition, 1000 ppm of hindered phenol antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd., 1000 ppm of phosphorous processing heat stabilizer Irgafos 168, calcium steaor manufactured by NOF Corporation Formulate 500 ppm.
- Example Y-3 70 parts by weight of 4-methyl-1-pentene copolymer (AA-1), 10 parts by weight of crystalline olefin resin (BB-5), and 20 parts by weight of olefin copolymer (CC-6) are blended. . Furthermore, with respect to 100 parts by weight of the composition, 1000 ppm of hindered phenol antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd., 1000 ppm of phosphorous processing heat stabilizer Irgafos 168, calcium steaor manufactured by NOF Corporation Formulate 500 ppm.
- Example Y-4 70 parts by weight of 4-methyl-1-pentene copolymer (AA-1), 20 parts by weight of crystalline olefin resin (BB-5), and 10 parts by weight of olefin copolymer (CC-6) are blended. . Furthermore, with respect to 100 parts by weight of the composition, 1000 ppm of hindered phenol antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd., 1000 ppm of phosphorous processing heat stabilizer Irgafos 168, calcium steaor manufactured by NOF Corporation Formulate 500 ppm.
- Example Y-5 70 parts by weight of 4-methyl-1-pentene copolymer (AA-1), 20 parts by weight of crystalline olefin resin (BB-5), and 10 parts by weight of olefin copolymer (CC-7) are blended. . Furthermore, with respect to 100 parts by weight of the composition, 1000 ppm of hindered phenol antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd., 1000 ppm of phosphorous processing heat stabilizer Irgafos 168, calcium steaor manufactured by NOF Corporation Formulate 500 ppm.
- Example Y-6 70 parts by weight of 4-methyl-1-pentene copolymer (AA-2), 20 parts by weight of crystalline olefin resin (BB-1), and 10 parts by weight of olefin copolymer (CC-3) are blended. . Furthermore, with respect to 100 parts by weight of the composition, 1000 ppm of hindered phenol antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd., 1000 ppm of phosphorous processing heat stabilizer Irgafos 168, calcium steaor manufactured by NOF Corporation Formulate 500 ppm.
- Example Y-7 80 parts by weight of 4-methyl-1-pentene copolymer (AA-3), 4 parts by weight of crystalline olefin resin (BB-2), and 16 parts by weight of olefin copolymer (CC-4) are blended. . Furthermore, with respect to 100 parts by weight of the composition, 1000 ppm of hindered phenol antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd., 1000 ppm of phosphorous processing heat stabilizer Irgafos 168, calcium steaor manufactured by NOF Corporation Formulate 500 ppm.
- Example Y-8 60 parts by weight of 4-methyl-1-pentene copolymer (AA-6), 8 parts by weight of crystalline olefin resin (BB-2), and 32 parts by weight of olefin copolymer (CC-4) are blended. . Furthermore, with respect to 100 parts by weight of the composition, 1000 ppm of hindered phenol antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd., 1000 ppm of phosphorous processing heat stabilizer Irgafos 168, calcium steaor manufactured by NOF Corporation Formulate 500 ppm.
- Example Y-9 80 parts by weight of 4-methyl-1-pentene copolymer (AA-4), 3 parts by weight of crystalline olefin resin (BB-3), and 17 parts by weight of olefin copolymer (CC-5) are blended. . Furthermore, with respect to 100 parts by weight of the composition, 1000 ppm of hindered phenol antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd., 1000 ppm of phosphorous processing heat stabilizer Irgafos 168, calcium steaor manufactured by NOF Corporation Formulate 500 ppm.
- Example Y-10 60 parts by weight of 4-methyl-1-pentene copolymer (AA-4), 6 parts by weight of crystalline olefin resin (BB-3) and 34 parts by weight of olefin copolymer (CC-5) are blended. . Furthermore, with respect to 100 parts by weight of the composition, 1000 ppm of hindered phenol antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd., 1000 ppm of phosphorous processing heat stabilizer Irgafos 168, calcium steaor manufactured by NOF Corporation Formulate 500 ppm.
- Example Y-11 60 parts by weight of 4-methyl-1-pentene copolymer (AA-4), 6 parts by weight of crystalline olefin resin (BB-3) and 34 parts by weight of olefin copolymer (CC-5) are blended. . Furthermore, with respect to 100 parts by weight of the composition, 1000 ppm of hindered phenol antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd., 1000 ppm of phosphorous processing heat stabilizer Irgafos 168, calcium steaor manufactured by NOF Corporation Formulate 500 ppm.
- Comparative Example y-2 70 parts by weight of crystalline olefin resin (BB-1) and 30 parts by weight of olefin copolymer (CC-1) are blended. Furthermore, with respect to 100 parts by weight of the composition, 1000 ppm of hindered phenol antioxidant Irganox 1010 manufactured by Ciba Japan Co., Ltd., 1000 ppm of phosphorous processing heat stabilizer Irgafos 168, calcium steaor manufactured by NOF Corporation Formulate 500 ppm.
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Abstract
Description
(b)ゲルパーミエイションクロマトグラフィー(GPC)により測定した重量平均分子量(Mw)と数平均分子量(Mn)との割合(Mw/Mn)が1.0~3.5、
(c)引張り弾性率(YM)が0.1~1000MPa、
(d)示差走査熱量計(DSC)によって測定した融点〔Tm〕が110℃未満または認められない。
本発明に係る4-メチル-1-ペンテン・α-オレフィン共重合体(A)は、4-メチル-1-ペンテンから導かれる構成単位(i)5~95モル%と、4-メチル-1-ペンテンを除く炭素原子数2~20のα-オレフィンから選ばれる少なくとも1種以上のα-オレフィンから導かれる構成単位(ii)95~5モル%および非共役ポリエンから導かれる構成単位(iii)0~10モル%とからなる(但し、構成単位(i)、(ii)および(iii)を100モル%とする)。好ましくは、前記構成単位(i)が10~90モル%、より好ましくは15~85モル%、さらに好ましくは15~80モル%、特に好ましくは15~75モル%と、前記構成単位(ii)が90~10モル%、より好ましくは85~15モル%、さらに好ましくは85~20モル%、特に好ましくは85~25モル%とからなる共重合体である(但し、構成単位(i)および(ii)を100モル%とする)。なお、本発明において、「炭素原子数2~20のα-オレフィン」というときは特に断らない限り4-メチル-1-ペンテンを含まない。
ΔHSは、コモノマー種およびコモノマー組成によって任意に変えることができ、ΔHSが上記範囲内であると、応力吸収性、応力緩和性に優れる。
押針接触開始直後のショアーD硬度と押針接触開始から15秒後のショアーD硬度との差ΔHSが、5~50。好ましくは8~50、より好ましくは10~50の範囲である。
本発明に係る4-メチル-1-ペンテン共重合体(AA)は、(a-1)4-メチル-1-ペンテンから導かれる構成単位(i)5~95重量%と、4-メチル-1-ペンテンを除く炭素原子数2~20のα-オレフィンから選ばれる少なくとも1種以上のα-オレフィンから導かれる構成単位(ii)5~95重量%とからなる(但し、構成単位(i)と(ii)の合計を100重量%とする)。好ましくは、(b-1)および(c-1)前記構成単位(i)10~90重量%、より好ましくは18~90重量%、さらに好ましくは25~90重量%、最も好ましくは30~85重量%、特に好ましく40~85重量%と、前記構成単位(ii)10~90重量%、より好ましくは10~82重量%、さらに好ましくは10~75重量%、最も好ましくは15~70重量%、特に好ましくは15~60重量%である(但し、構成単位(i)と(ii)の合計を100重量%とする)。
環状オレフィンとしては、炭素原子数3~20、好ましくは5~15であり、シクロペンテン、シクロヘキセン、シクロへプテン、ノルボルネン、5-メチル-2-ノルボルネン、テトラシクロドデセン、ビニルシクロヘキサンなどが挙げられる。なお、芳香族ビニル化合物、共役ジエン、非共役ポリエン、官能基化ビニル化合物などについては、前記を参照できる。
次に,本発明に係る4-メチル-1-ペンテン・α-オレフィン共重合体および4-メチル-1-ペンテン共重合体の製造方法について説明する。
Aは一部不飽和結合および/または芳香族環を含んでいてもよい炭素原子数2~20の2価の炭化水素基であり、AはYと共に形成する環を含めて2つ以上の環構造を含んでいてもよく、
Mは周期表第4族から選ばれた金属であり、
Yは炭素またはケイ素であり、
Qはハロゲン、炭化水素基、アニオン配位子または孤立電子対で配位可能な中性配位子から同一または異なる組合せで選ばれ、
jは1~4の整数である。)
上記一般式(1)または(2)のR1、R2、R3、R4、R5、R6、R7、R8、R9、R10、R11、R12、R13、R14は水素、炭化水素基、ケイ素含有炭化水素基から選ばれ、それぞれ同一でも異なっていてもよい。
(A)メタロセン化合物(たとえば、上記一般式(1)または(2)で表されるメタロセン化合物)と、
(B)(B-1) 有機アルミニウム化合物、
(B-2) 有機アルミニウムオキシ化合物、および
(B-3) メタロセン化合物(A)と反応してイオン対を形成する化合物から選ばれる少なくとも1種の化合物と、
さらに必要に応じて、
(C)微粒子状担体と
から構成される。製造方法としては、例えば国際公開第01/027124号パンフレットに記載の方法を採用することが出来る。
本発明に係る4-メチル-1-ペンテン・α-オレフィン共重合体組成物(X)は、前記4-メチル-1-ペンテン・α-オレフィン共重合体を5~95重量部、好ましくは10~90重量部、さらに好ましくは20~80重量部と、後述する熱可塑性樹脂(B)を95~5重量部、好ましくは90~10重量部、さらに好ましくは80~20重量部(但し、(A)と(B)の合計を100重量部とする)を含有する。この範囲にあると、成形性、柔軟性、制振性、応力吸収性、耐傷付き性、耐摩耗性、機械特性、靭性に優れる組成物が得られる。
本発明で用いられる熱可塑性樹脂(B)は、本発明に係る4-メチル-1-ペンテン・α-オレフィン共重合体および本発明に係る4-メチル-1-ペンテン共重合体と異なる限り、特に制限されないが、例えば、以下の樹脂が挙げられる。なお、本発明においては、熱可塑性樹脂(B)にエラストマー、共重合体ゴムも含む。
熱可塑性ポリアミド系樹脂;たとえば、脂肪族ポリアミド(ナイロン6、ナイロン11、ナイロン12、ナイロン66、ナイロン610、ナイロン612)、
熱可塑性ポリエステル系樹脂;たとえば、ポリエチレンテレフタレート、ポリブチレンテレフタレート、ポリエステル系エラストマー、
熱可塑性ビニル芳香族系樹脂;たとえば、ポリスチレン、ABS樹脂、AS樹脂、スチレン系エラストマー(スチレン・ブタジエン・スチレンブロックポリマー、スチレン・イソプレン・スチレンブロックポリマー、スチレン・イソブチレン・スチレンブロックポリマー、前述の水素添加物)、
熱可塑性ポリウレタン;塩化ビニル樹脂;塩化ビニリデン樹脂;アクリル樹脂;エチレン・酢酸ビニル共重合体;エチレン・メタクリル酸アクリレート共重合体;アイオノマー;エチレン・ビニルアルコール共重合体;ポリビニルアルコール;フッ素系樹脂ポリカーボネート;ポリアセタール;ポリフェニレンオキシド;ポリフェニレンサルファイドポリイミド;ポリアリレート;ポリスルホン;ポリエーテルスルホン;ロジン系樹脂;テルペン系樹脂および石油樹脂;
共重合体ゴム;たとえば、エチレン・α-オレフィン・ジエン共重合体、プロピレン・α-オレフィン・ジエン共重合体、1-ブテン・α-オレフィン・ジエン共重合体、ポリブタジエンゴム、ポリイソプレンゴム、ネオプレンゴム、ニトリルゴム、ブチルゴム、ポリイソブチレンゴム、天然ゴム、シリコーンゴム等が例示される。
本発明の4-メチル-1-ペンテン・α-オレフィン共重合体組成物(X)~(X22)は、少なくとも一部または全部が極性モノマーによりグラフト変性されていても良い。
本発明の共重合体組成物(X)~(X22)の少なくとも一部または全部は、架橋剤により架橋されていても良い。架橋剤としては、特に制限はなく、硫黄、有機過酸化物、SiH基含有化合物が挙げられる。架橋方法および架橋剤は、前記を参照できる。
本発明に係る共重合体組成物には、発明の目的を損なわない範囲で、成形に際し、各種添加剤を配合することができる。添加剤は、前記を参照できる。
本発明に係る4-メチル-1-ペンテン共重合体組成物(Y)は、(AA)前記4-メチル-1-ペンテン共重合体を50~98重量部、好ましくは50~96重量部、さらに好ましくは50~90重量部と、(BB)4-メチル-1-ペンテン共重合体(AA)以外の結晶性オレフィン樹脂(融点が100℃以上)を1~49重量部、好ましくは2~48重量部、さらに好ましくは5~45重量部と、(CC)4-メチル-1-ペンテン共重合体(AA)以外のα-オレフィン系共重合体(融点が100℃未満)を1~49重量部、好ましくは2~48重量部、さらに好ましくは5~45重量部(但し、(AA)、(BB)、(CC)の合計を100重量部とする)とを含む。
本発明で用いられる結晶性オレフィン樹脂(BB)は、本発明に係る4-メチル-1-ペンテン・α-オレフィン共重合体(A)~(A3)および4-メチル-1-ペンテン共重合体(AA)を除き、結晶性を有するオレフィン樹脂であれば特に制限はなく使用できる。ここで、結晶性オレフィンとは、融点が100℃以上、好ましくは110℃以上の結晶性オレフィンを意味し、後述するα-オレフィン系重合体(CC)とは融点の点で区別される。
本発明にかかるα-オレフィン系共重合体(CC)は、炭素原子数2~20のα-オレフィンから選ばれる共重合体であり、融点が100℃未満であれば特に制限はない(但し、本発明に係る4-メチル-1-ペンテン・α-オレフィン共重合体(A)~(A3)および4-メチル-1-ペンテン共重合体(AA)は除く)。なお、融点は、好ましくは95℃以下、さらに好ましくは90℃以下、特に好ましくは85℃以下である。
酢酸ビニル等のビニルエステル類、
無水マレイン酸等の不飽和有機酸またはその誘導体、
ブタジエン、イソプレン、ペンタジエン、2,3-ジメチルブタジエン等の共役ジエン類、
1,4-ヘキサジエン、1,6-オクタジエン、2-メチル-1,5-ヘキサジエン、6-メチル-1,5-ヘプタジエン、7-メチル-1,6-オクタジエン、ジシクロペンタジエン、シクロヘキサジエン、ジシクロオクタジエン、メチレンノルボルネン、5-ビニルノルボルネン、5-エチリデン-2-ノルボルネン、5-メチレン-2-ノルボルネン、5-イソプロピリデン-2-ノルボルネン、6-クロロメチル-5-イソプロペンル-2 -ノルボルネン、2,3-ジイソプロピリデン-5-ノルボルネン、2-エチリデン-3-イソプロピリデン-5-ノルボルネン、2-プロペニル-2,2-ノルボルナジエン等の非共役ポリエン類などが挙げられる。
本発明の4-メチル-1-ペンテン・α-オレフィン共重合体組成物(X)~(X22)および4-メチル-1-ペンテン共重合体組成物(Y)の製造方法について説明する。
本発明にかかる4-メチル-1-ペンテン・α-オレフィン共重合体を含む成形体、4-メチル-1-ペンテン・α-オレフィン共重合体組成物を含む成形体、4-メチル-1-ペンテン共重合体組成物を含む成形体またはこれらのいずれかを用いて得られる変性体を含む成形体は、例えば押出成形、射出成形、インフレーション成形、ブロー成形、押出ブロー成形、射出ブロー成形、プレス成形、スタンピング成形、真空成形、カレンダー成形、フィラメント成形、発泡成形、パウダースラッシュ成形などの公知の熱成形方法により得られる。また、本発明の成形体は、本発明に係る共重合体、共重合体組成物および変性体を適宜組み合せても製造できる。
本発明の4-メチル-1-ペンテン・α-オレフィン共重合体(A~A3)、4-メチル-1-ペンテン・α-オレフィン共重合体組成物(X~X22)および4-メチル-1-ペンテン共重合体組成物(Y)またはそれらのグラフト変性体および架橋体に対する用途を説明する。
太陽電池セル封止シート、太陽電池セルバックシート、太陽電池用プラスチックフィルム、バッテリーセパレーター、リチウムイオン電池用セパレーター、燃料電池用電解質膜、粘着・接着材セパレーター、
ダイシングテープ・バックグラインドテープ・ダイボンディングフィルム、二層FCCL、フィルムコンデンサー用フィルムなどの半導体用工程フィルムの基材・粘着材・セパレーター、粘着フィルム、ペリクル用フィルム、偏光板用フィルム、偏光板用保護フィルム、液晶パネル用保護フィルム、光学部品用保護フィルム、レンズ用保護フィルム、電気部品・電化製品用保護フィルム、携帯電話用保護フィルム、パソコン用保護フィルム、マスキングフィルム、コンデンサー用フィルム、反射フィルム、積層体(ガラス含む)、耐放射線フィルム、耐γ線フィルム、多孔フィルムなどの保護フィルム、
放熱フィルム・シート、電子部品封止体製造用型枠、LEDモールド、高周波回路用積層板、高周波ケーブル用被覆材、光導波路基板、
ガラス中間膜、合わせガラス用フィルム、防弾材、防弾ガラス用フィルム、
合皮用離型紙、先端複合材料用離型紙、炭素繊維複合材硬化用離型紙、ガラス繊維複合材硬化用離型紙、アラミド繊維複合材硬化用離型紙、ナノ複合材硬化用離型紙、フィラー充填材硬化用離型紙などの離型紙、耐熱耐水印画紙、などが挙げられる。
自動車・自動二輪・鉄道車両・航空機・船舶等の内装材、耐磨耗自動車内外装材、インストルメントパネル表皮、ドアトリム表皮、リアーパッケージトリム表皮、天井表皮、リアピラー表皮、シートバックガーニッシュ、コンソールボックス、アームレスト、エアバックケースリッド、シフトノブ、アシストグリップ、サイドステップマット、リクライニングカバー、トランク内シート、シートベルトバックル、インナー・アウターモール、ルーフモール、ベルトモールなどのモール材、ドアシール、ボディシールなどの自動車用シール材、グラスランチャンネル、泥よけ、キッキングプレート、ステップマット、ナンバープレートハウジング、自動車用ホース部材、エアダクトホース、エアダクトカバー、エアインテークパイプ、エアダムスカート、タイミングベルトカバーシール、ボンネットクッション、ドアクッションなどの自動車内外装材、制振タイヤ、静動タイヤ、カーレースタイヤ、ラジコンタイヤなどの特殊タイヤ、パッキン、自動車ダストカバー、ランプシール、自動車用ブーツ材、ラックアンドピニオンブーツ、タイミングベルト、ワイヤーハーネス、グロメット、エンブレム、エアフィルタパッキン、
家具・履物・衣料・袋物・建材等の表皮材、建築用シール材、防水シート、建材シート、建材ガスケット、建材用ウインドウフィルム、鉄芯保護部材、ガスケット、ドア、ドア枠、窓枠、廻縁、巾木、開口枠等、床材、天井材、壁紙、
健康用品(例:滑り止めマット・シート、転倒防止フィルム・マット・シート、)、健康器具部材、衝撃吸収パッド、プロテクター・保護具(例:ヘルメット、ガード)、スポーツ用品(例:スポーツ用グリップ、プロテクター)、スポーツ用防具、ラケット、マウスガード、ボール、ゴルフボール、運搬用具(例:運搬用衝撃吸収グリップ、衝撃吸収シート)、制振パレット、衝撃吸収ダンパー、インシュレーター、履物用衝撃吸収材、衝撃吸収発泡体、衝撃吸収フィルムなどの衝撃吸収材、
グリップ材、雑貨、玩具、靴底、靴底ソール、靴のミッドソール・インナーソール、ソール、サンダル、吸盤、歯ブラシ、床材、体操用マット、電動工具部材、農機具部材、放熱材、透明基板、防音材、クッション材、電線ケーブル、形状記憶材料、
医療用ガスケット、医療用キャップ、薬栓、ガスケット、ベビーフード・酪農製品・医薬品・滅菌水等を瓶に充填後、煮沸処理、高圧蒸気滅菌等高温処理される用途のパッキング材、工業用シール材、工業用ミシンテーブル、ナンバープレートハウジング、ペットボトルキャップライナーなどのキャップライナー、
プロテクトフィルム粘着層、ホットメルト粘着材、などの粘着材、
文房具、オフィス用品、OAプリンタ脚、FAX脚、ミシン脚、モータ支持マット、オーディオ防振材などの精密機器・OA機器支持部材、OA用耐熱パッキン、アニマルケージ、ビーカー、メスシリンダー等の理化学実験機器、光学測定用セル、衣装ケース、クリアーケース、クリアーファイル、クリアーシート、デスクマット、
繊維としての用途として、例えば、不織布、伸縮性不織布、繊維、防水布、通気性の織物や布、紙おむつ、生理用品、衛生用品、フィルター、バグフィルター、集塵用フィルター、エアクリーナー、中空糸フィルター、浄水フィルター、濾布、濾紙、ガス分離膜、などが挙げられる。
フィルムやシートの離型性を生かした用途に用いられることが好ましい。具体的には、フィルムに公知の粘着剤層を形成した粘着フィルムが挙げられる。粘着剤層としては、アクリル系粘着剤層、エステル系粘着剤層、オレフィン系粘着剤層、ウレタン系粘着剤層等が挙げられる。これら粘着剤層は、対応する基材に適した粘着力を有する材料を用いることが出来る。
本発明の共重合体および共重合体組成物は、応力吸収特性・制振特性に優れた応力吸収材・制振材およびその成形品に好適である。詳しくは、良好な力学特性(破断強度,引張弾性率)を有する非塩ビ系高分子材料の応力吸収材・制振材に好適である。具体例としては、OA機器、洗濯機等家電製品、自動車、工作機械、産業機械、並びに床材、制振パネル、制振成形体等が挙げられる。
ポリエチレン、ポリプロピレン、エチレンおよび/またはプロピレンとα-オレフィン等の共重合体などのオレフィン系重合体(本発明に係る共重合体を除く)、
ポリスチレン、ハイインパクトポリスチレン、スチレン・メタクリル酸エステル共重合体(MS)、アクリロニトリル・スチレン共重合体(AS)、アクリロニトリル・ブタジエン・スチレン共重合体(ABS)、スチレン・イソプレン・スチレン共重合体(SIS)およびその水素添加物、スチレン・ブタジエン・スチレン共重合体(SBS)およびその水素添加物、スチレン・イソブチレン・スチレン共重合体(SIBS)およびその水素添加物などのスチレン系重合体が挙げられる。これらの樹脂は、相容性、成形性等の点から好ましい。
〔(3)添加材料〕
本発明の共重合体または共重合体組成物は、優れたブロッキング防止効果、離型性を有するため、添加材料として好適である。
極限粘度[η]は,デカリン溶媒を用いて135℃で測定した。
ポリマー中の4-メチル-1-ペンテンおよびα-オレフィン含量、非共役ポリエンの定量化は、13C-NMRにより測定した。
〔融点(Tm)〕
ポリマーの融点(Tm)は,セイコーインスツルメンツ社製DSC220C装置で示差走査熱量計(DSC)により測定した。重合から得られた試料7~12mgをアルミニウムパン中に密封し,室温から10℃/分で200℃まで加熱した。その試料を,完全融解させるために200℃で5分間保持し,次いで10℃/分で-50℃まで冷却した。-50℃で5分間置いた後,その試料を10℃/分で200℃まで2度目に加熱した。この2度目の加熱試験でのピーク温度を,融点(Tm)として採用した。
ポリマーの分子量は、液体クロマトグラフ(Waters製ALC/GPC 150-C plus型、示唆屈折計検出器一体型)を用い、カラムとして東ソー株式会社製GMH6-HT×2本およびGMH6-HTL×2本を直列接続した。移動相媒体はo-ジクロロベンゼンを用い、流速1.0ml/分、140℃で測定を行った。得られたクロマトグラムを公知の方法によって、標準ポリスチレンサンプルを使用した検量線を用いて解析することで、Mw、MnおよびMw/Mn値を算出した。
ポリマーをソックスレー抽出器に採取し、酢酸メチル下で加熱還流を行い、還流前後のポリマー量を秤量して、抽出量(重量%)を算出した。
200℃に設定した神藤金属工業社製油圧式熱プレス機を用い、10MPaの圧力でシート成形した。0.5~3mm厚のシート(スペーサー形状;240×240×2mm厚の板に80×80×0.5~3mm、4個取り)の場合、余熱を5~7分程度とし、10MPaで1~2分間加圧した後、20℃に設定した別の神藤金属工業社製油圧式熱プレス機を用い、10MPaで圧縮し、5分程度冷却して測定用試料を作成した。熱板として、5mm厚の真鍮板を用いた。得られたサンプルを用いて、各種物性評価を行った。
JIS K6253に準拠して、厚さ3mmのプレスシートを用いてショアー硬度計により測定した。ショアー硬度計は、A硬度計またはD硬度計を用いた。さらに測定直後と測定15秒後の値の変化率ΔHSを以下のようにして求めた。
厚さ3mmのプレスシートを作成し、さらに動的粘弾性測定に必要な45mm×10mm×3mmの短冊片を切り出した。ANTONPaar社製MCR301を用いて、10rad/sの周波数で-70~180℃までの動的粘弾性の温度依存性を測定し、ガラス転移温度に起因する損失正接(tanδ)のピーク温度とその値を測定した。
耐摩耗性評価は、学振磨耗後のグロス変化率(%)にて測定した。
〔引張弾性率(YM)、引張破断伸(EL)、引張降伏応力(YS)、引張破断点応力(TS)〕
引張特性である引張弾性率(YM)、引張破断点伸(EL)、引張降伏点応力(YS)および、引張破断点応力(TS)の評価は、上記の方法で得られた1mm厚プレスシートから打ち抜いたJISK7113の2号型試験片1/2を評価用試料とし、23℃の雰囲気下で引張速度30mm/minで実施した。
引張永久歪(PS)の評価は、上記の方法で得られた1mm厚プレスシートから打ち抜いたJISK7113の2号型試験片1/2を評価用試料とし、引張速度30mm/minで伸長率100%とした試験片のチャック間距離を測定した。その試験片を23度の雰囲気下で10分間保持し、開放10分後の試験片のチャック間距離を測定し、その差から求めた。
JIS K7196に準拠し、厚さ1mmの試験片を用いて、昇温速度5℃/minで1.8mmφの平面圧子に2Kgf/cm2の圧力をかけ、TMA曲線より、軟化温度(℃)を求めた。
厚さ1mmプレスシートを試験片として用いて、日本電色工業(株)製のデジタル濁度計「NDH-20D」にて測定した。
結晶性オレフィン樹脂(BB)のMFRは、JIS K-6721に準拠して230℃で2.16kgの荷重にて測定した。
密度は、ASTM D 1505(水中置換法)に従って、ALFA MIRAGE社電子比重計MD-300Sを用い、水中と空気中で測定された各試料の重量から算出した。
厚さ6mmのプレスシートを作成し、室温25℃または40℃下で、JIS K6400に準拠して460mmの高さから16.310gの剛体球を落下させた際の跳ね返り高さを測定した。落下させた高さに対しての跳ね返り高さの比を反発弾性率として求めた。
充分窒素置換した容量1.5リットルの攪拌翼付SUS製オートクレーブに、23℃で4-メチル-1-ペンテンを750ml装入した。このオートクレーブに、トリイソブチルアルミニウム(TIBAl)の1.0ミリモル/mlトルエン溶液を0.75ml装入し攪拌機を回した。次に、オートクレーブを内温30℃まで加熱し、全圧が0.74MPaGとなるようにプロピレンで加圧した。続いて、予め調製しておいた、メチルアルミノキサンをAl換算で1ミリモル、ジフェニルメチレン(1-エチル-3-t-ブチル-シクロペンタジエニル)(2,7-ジ-t-ブチル-フルオレニル)ジルコニウムジクロリドを0.005ミリモルの量で含むトルエン溶液0.34mlのトルエン溶液を窒素でオートクレーブに圧入し、重合を開始した。その後60分間、オートクレーブを内温60℃になるように温度調整した。重合開始60分後、オートクレーブにメタノール5mlを窒素で圧入し重合を停止し、オートクレーブを大気圧まで脱圧した。反応溶液にアセトンを攪拌しながら注いだ。得られた溶媒を含むゴム状の重合体を130℃、減圧下で12時間乾燥した。
充分窒素置換した容量1.5リットルの攪拌翼付SUS製オートクレーブに、23℃で4-メチル-1-ペンテン(4MP1)を750ml装入した。このオートクレーブに、トリイソブチルアルミニウム(TIBAl)の1.0ミリモル/mlトルエン溶液を0.75ml装入し、攪拌機を回した。次に、オートクレーブを内温30℃まで加熱し、全圧が0.68MPaGとなるようにプロピレンで加圧した。続いて、予め調製しておいた、メチルアルミノキサンをAl換算で1ミリモル、ジフェニルメチレン(1-メチル-3-t-ブチル-シクロペンタジエニル)(2,7-ジ-t-ブチル-フルオレニル)ジルコニウムジクロリドを0.005ミリモルの量で含むトルエン溶液0.34mlを窒素でオートクレーブに圧入し、重合を開始した。その後60分間、オートクレーブを内温60℃になるように温度調整した。重合開始60分後、オートクレーブにメタノール5mlを窒素で圧入し重合を停止し、オートクレーブを大気圧まで脱圧した。反応溶液にアセトンを攪拌しながら注いだ。得られた溶媒を含むゴム状の重合体を130℃、減圧下で12時間乾燥した。
〔実施例3〕
重合器内の全圧が0.35MPaGになるようにプロピレンで加圧した以外は、実施例2と同様に重合を行った。
重合器内の全圧が0.20MPaGになるようにプロピレンで加圧した以外は、実施例1と同様に重合を行った。
〔実施例5〕
重合器内の全圧が0.15MPaGになるようにプロピレンで加圧した以外は、実施例2と同様に重合を行った。
〔実施例6〕
重合器内の全圧が0.15MPaGになるようにプロピレンで加圧し、重合温度を60℃とした以外は、実施例2と同様に重合を行った。
重合器内の全圧が0.13MPaGになるようにプロピレンで加圧し、重合温度を60℃とした以外は、実施例1と同様に重合を行った。
重合器内に4-メチル-1-ペンテン100mlと、n-ヘキサン650mlを装入し、全圧が0.68MPaGになるようにプロピレンで加圧し、重合温度を60℃とした以外は、実施例4と同様に重合を行った。
(1-メチル-3-t-ブチル-シクロペンタジエニル)(2,7-ジ-t-ブチル-フルオレニル)ジルコニウムジクロリドの代わりに、ジ-p-クロロフェニレン(シクロペンタジエニル)(1,1,4,4,7,7,10,10-オクタメチル-1,2,3,4,7,8,9,10-オクタヒドロジベンズ(b,h)-フルオレニル)ジルコニウムジクロリドを用い、重合温度を60℃とした以外は、実施例2と同様に重合を行った。
充分窒素置換した容量1.5リットルの攪拌翼付SUS製オートクレーブに、23℃で4-メチル-1-ペンテンを750ml装入した。このオートクレーブに、トリイソブチルアルミニウム(TIBAl)の1.0ミリモル/mlトルエン溶液を0.75ml装入し攪拌機を回した。次に、オートクレーブを内温60℃まで加熱し、全圧が0.15MPaGとなるようにエチレンで加圧した。続いて、予め調製しておいた、メチルアルミノキサンをAl換算で1.5ミリモル、ジ-p-クロロフェニレン(シクロペンタジエニル)(1,1,4,4,7,7,10,10-オクタメチル-1,2,3,4,7,8,9,10-オクタヒドロジベンズ(b,h)-フルオレニル)ジルコニウムジクロリドを0.005ミリモルの量で含むトルエン溶液0.1mlを窒素でオートクレーブに圧入し、重合を開始した。その後30分間、オートクレーブを内温60℃になるように温度調整した。重合開始30分後、オートクレーブにメタノール5mlを窒素で圧入し重合を停止し、オートクレーブを大気圧まで脱圧した。反応溶液にアセトンを攪拌しながら注いだ。得られた溶媒を含むゴム状の重合体を130℃、減圧下で12時間乾燥した。
重合器内の全圧が0.68MPaGになるようにエチレンで加圧した以外は、実施例10と同様に重合を行った。
充分窒素置換した容量1.5リットルの攪拌翼付SUS製オートクレーブに、23℃で4-メチル-1-ペンテンを750ml装入した。このオートクレーブに、トリイソブチルアルミニウム(TIBAl)の1.0ミリモル/mlトルエン溶液を0.75ml装入し攪拌機を回した。次に、ブテン-1を180g圧入した。オートクレーブを内温60℃まで加熱し、続いて予め調製しておいた、メチルアルミノキサンをAl換算で1ミリモル、ジフェニルメチレン(1-メチル-3-t-ブチル-シクロペンタジエニル)(2,7-ジ-t-ブチル-フルオレニル)ジルコニウムジクロリドを0.01ミリモルの量で含むトルエン溶液0.75mlを窒素でオートクレーブに圧入し、重合を開始した。その後40分間、オートクレーブを内温60℃になるように温度調整した。重合開始40分後、オートクレーブにメタノール5mlを窒素で圧入し重合を停止し、オートクレーブを大気圧まで脱圧した。反応溶液にアセトンを攪拌しながら注いだ。得られた溶媒を含むゴム状の重合体を130℃、減圧下で12時間乾燥した。
充分窒素置換した容量1.5リットルの攪拌翼付SUS製オートクレーブに、23℃で4-メチル-1-ペンテンを750mlと5-エチリデン-2-ノルボルネン(ENB)を4.5ml装入した。このオートクレーブに、トリイソブチルアルミニウム(TIBAl)の1.0ミリモル/mlトルエン溶液を0.75ml装入し攪拌機を回した。次に、オートクレーブを内温60℃まで加熱し、全圧が0.63MPaGとなるようにエチレンで加圧した。続いて、予め調製しておいた、(C6H5)3CB(C6F5)4を0.020ミリモル、ジ-p-クロロフェニレン(シクロペンタジエニル)(1、1、4、4、7、7、10、10-オクタメチル-1、2、3、4、7、8、9、10-オクタヒドロジベンズ(b、h)-フルオレニル)ジルコニウムジクロリドを0.005ミリモルの量で含むトルエン溶液0.34mlを窒素でオートクレーブに圧入し、重合を開始した。その後30分間、オートクレーブを内温が60℃になるように温度調整した。重合開始30分後、オートクレーブにメタノール5mlを窒素で圧入し重合を停止し、オートクレーブを大気圧まで脱圧した。反応溶液にアセトンを攪拌しながら注いだ。得られた溶媒を含むゴム状の重合体を80℃、減圧下で12時間乾燥した。
充分窒素置換した容量1.5リットルの攪拌翼付SUS製オートクレーブに、23℃で4-メチル-1-ペンテンを750ml、装入した。このオートクレーブに、トリエチルアルミニウム(TEA)の1.0ミリモル/mlトルエン溶液を0.94ml装入し、水素ガス240Nmlを導入して攪拌機を回した。次に、オートクレーブを内温60℃まで加熱し、全圧が0.43MPaGとなるようにプロピレンで加圧した。続いて、特開2008-144155号公報を基に調整した固体状チタン触媒を0.013ミリモルの量で含むトルエン溶液を4.7ml窒素でオートクレーブに圧入し、重合を開始した。その後60分間、オートクレーブを内温が60℃になるように温度調整した。重合開始60分後、オートクレーブにメタノール5mlを窒素で圧入し重合を停止し、オートクレーブを大気圧まで脱圧した。反応溶液にアセトンを攪拌しながら注いだ。得られた溶媒を含むゴム状の重合体を130℃、減圧下で12時間乾燥した。
特開2008-144155号公報に記載の実施例5を参照にして4-メチル-1-ペンテン・1-ヘキセン共重合体を得た。
市販されているポリ4-メチル-1-ペンテン(三井化学社製、TPX RT-18)を用いた。物性を表1に示す。機械特性から柔軟性に劣っていることが分かる。
市販されているポリ4-メチル-1-ペンテン(三井化学社製、TPX MX-002)を用いた。物性を表1に示す。tanδのピーク値から応力吸収性に劣っていることが分かる。
市販されているエチレン・プロピレン・α-オレフィン(4MP1以外のα-オレフィン)共重合体(三井化学社製、タフマーA4085)を用いた。物性を表1に示す。機械特性から柔軟性に、tanδのピーク値から応力吸収性に劣っていることが分かる。
市販されている水素添加スチレン・ブタジエン・スチレン共重合体(旭化成株式会社、タフテックH1041)を用いた。物性を表1に示す。
実施例2で得られた4-メチル-1-ペンテン・α-オレフィン共重合体83重量部と、ヤスハラケミカル(株)社製テルペン系水素添加樹脂クリアロンP-125 17重量部を配合した。さらに、該組成物100重量部に対してチバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合した。その後、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度200℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)、50rpm、5分間溶融混練後、取り出し20℃設定の冷却プレスでシートとし、これを適当な大きさに切断して測定用試料とした。また、該試料を用いてプレスシートを作成して、物性を測定した。各種測定結果を表2に示す。
実施例5で得られた4-メチル-1-ペンテン・α-オレフィン共重合体83重量部と、ヤスハラケミカル(株)社製テルペン系水素添加樹脂クリアロンP-125 17重量部を配合した。さらに、該組成物100重量部に対してチバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合した。その後、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度200℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)、50rpm、5分間溶融混練後、取り出し20℃設定の冷却プレスでシートとし、これを適当な大きさに切断して測定用試料とした。また、該試料を用いてプレスシートを作成して、物性を測定した。各種測定結果を表2に示す。
実施例5で得られた4-メチル-1-ペンテン・α-オレフィン共重合体60重量部と、旭化成(株)社製水添スチレン系熱可塑性エラストマータフテックH1041を40重量部配合した。さらに、該組成物100重量部に対してチバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合した。その後、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度200℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)、50rpm、5分間溶融混練後、取り出し20℃設定の冷却プレスでシートとし、これを適当な大きさに切断して測定用試料とした。また、該試料を用いてプレスシートを作成して、物性を測定した。各種測定結果を表2に示す。
実施例5で得られた4-メチル-1-ペンテン・α-オレフィン共重合体80重量部と、出光興産社製プロセスオイルPW-100 20重量部を配合した。さらに、該組成物100重量部に対してチバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合した。その後、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度200℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)、50rpm、5分間溶融混練後、取り出し20℃設定の冷却プレスでシートとし、これを適当な大きさに切断して測定用試料とした。また、該試料を用いてプレスシートを作成して、物性を測定した。各種測定結果を表2に示す。
実施例5で得られた4-メチル-1-ペンテン・α-オレフィン共重合体60重量部と、出光興産社製プロセスオイルPW-100 40重量部を配合した。さらに、該組成物100重量部に対してチバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合した。その後、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度200℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)、50rpm、5分間溶融混練後、取り出し20℃設定の冷却プレスでシートとし、これを適当な大きさに切断して測定用試料とした。また、該試料を用いてプレスシートを作成して、物性を測定した。各種測定結果を表2に示す。
実施例2で得られた4-メチル-1-ペンテン・α-オレフィン共重合体20重量部と、(株)プライムポリマー社製ポリプロピレンF107P 80重量部を配合した。さらに、該組成物100重量部に対して、チバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合した。その後、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度200℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)、50rpm、5分間溶融混練後、取り出し20℃設定の冷却プレスでシートとし、これを適当な大きさに切断して測定用試料とした。また、該試料を用いてプレスシートを作成して、物性を測定した。各種測定結果を表3に示す。
実施例2で得られた4-メチル-1-ペンテン・α-オレフィン共重合体40重量部と、(株)プライムポリマー社製ポリプロピレンF107P 60重量部を配合した。さらに、該組成物100重量部に対して、チバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合した。その後、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度200℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)、50rpm、5分間溶融混練後、取り出し20℃設定の冷却プレスでシートとし、これを適当な大きさに切断して測定用試料とした。また、該試料を用いてプレスシートを作成して、物性を測定した。各種測定結果を表3に示す。
実施例5で得られた4-メチル-1-ペンテン・α-オレフィン共重合体20重量部と、(株)プライムポリマー社製ポリプロピレンF107P 80重量部を配合した。さらに、該組成物100重量部に対して、チバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合した。その後、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度200℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)、50rpm、5分間溶融混練後、取り出し20℃設定の冷却プレスでシートとし、これを適当な大きさに切断して測定用試料とした。また、該試料を用いてプレスシートを作成して、物性を測定した。各種測定結果を表3に示す。
実施例2で得られた4-メチル-1-ペンテン・α-オレフィン共重合体20重量部と、ポリ4-メチル-1-ペンテン(三井化学株式会社製、TPX RT-18、単独重合体)80重量部を配合した。さらに、該組成物100重量部に対して、チバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合した。その後、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度260℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)、50rpm、5分間溶融混練後、取り出し20℃設定の冷却プレスでシートとし、これを適当な大きさに切断して測定用試料とした。また、該試料を用いてプレスシートを作成して、物性を測定した。各種測定結果を表3に示す。
実施例5で得られた4-メチル-1-ペンテン・α-オレフィン共重合体20重量部と、ポリ4-メチル-1-ペンテン(三井化学株式会社製、TPX RT-18)80重量部を配合した。さらに、該組成物100重量部に対して、チバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合した。その後、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度260℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)、50rpm、5分間溶融混練後、取り出し20℃設定の冷却プレスでシートとし、これを適当な大きさに切断して測定用試料とした。また、該試料を用いてプレスシートを作成して、物性を測定した。各種測定結果を表3に示す。
実施例5で得られた4-メチル-1-ペンテン・α-オレフィン共重合体40重量部と、ポリ4-メチル-1-ペンテン(三井化学株式会社製、TPX RT-18)60重量部を配合した。さらに、該組成物100重量部に対して、チバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合した。その後、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度260℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)、50rpm、5分間溶融混練後、取り出し20℃設定の冷却プレスでシートとし、これを適当な大きさに切断して測定用試料とした。また、該試料を用いてプレスシートを作成して、物性を測定した。各種測定結果を表3に示す。
比較例5に示したエチレン・α-オレフィン共重合体20重量部と、(株)プライムポリマー社製ポリプロピレンF107P 80重量部を配合した。さらに、該組成物100重量部に対して、チバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合した。その後、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度200℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)、50rpm、5分間溶融混練後、取り出し20℃設定の冷却プレスでシートとし、これを適当な大きさに切断して測定用試料とした。また、該試料を用いてプレスシートを作成して、物性を測定した。各種測定結果を表3に示す。
比較例5に示したエチレン・α-オレフィン共重合体20重量部と、ポリ4-メチル-1-ペンテン(三井化学株式会社製、TPX RT-18)80重量部を配合した。さらに、該組成物100重量部に対して、チバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合した。その後、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度260℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)、50rpm、5分間溶融混練後、取り出し20℃設定の冷却プレスでシートとし、これを適当な大きさに切断して測定用試料とした。また、該試料を用いてプレスシートを作成して、物性を測定した。各種測定結果を表3に示す。
実施例1で得られた4-メチル-1-ペンテン・α-オレフィン共重合体90重量部と、(株)プライムポリマー社製ポリプロピレンF107P 10重量部を配合した。さらに、該組成物100重量部に対して、チバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合した。その後、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度200℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)、50rpm、5分間溶融混練後、取り出し20℃設定の冷却プレスでシートとし、これを適当な大きさに切断して測定用試料とした。また、該試料を用いてプレスシートを作成して、物性を測定した。各種測定結果を表4に示す。
実施例1で得られた4-メチル-1-ペンテン・α-オレフィン共重合体70重量部と、(株)プライムポリマー社製ポリプロピレンF107P 30重量部を配合した。さらに、該組成物100重量部に対して、チバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合した。その後、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度200℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)、50rpm、5分間溶融混練後、取り出し20℃設定の冷却プレスでシートとし、これを適当な大きさに切断して測定用試料とした。また、該試料を用いてプレスシートを作成して、物性を測定した。各種測定結果を表4に示す。
実施例1で得られた4-メチル-1-ペンテン・α-オレフィン共重合体80重量部と、(株)プライムポリマー社製プライムTPO M2606 20重量部を配合した。さらに、該組成物100重量部に対して、チバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合した。その後、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度200℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)、50rpm、5分間溶融混練後、取り出し20℃設定の冷却プレスでシートとし、これを適当な大きさに切断して測定用試料とした。また、該試料を用いてプレスシートを作成して、物性を測定した。各種測定結果を表4に示す。
実施例1で得られた4-メチル-1-ペンテン・α-オレフィン共重合体60重量部と、(株)プライムポリマー社製プライムTPO M2606 40重量部を配合した。さらに、該組成物100重量部に対して、チバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合した。その後、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度200℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)、50rpm、5分間溶融混練後、取り出し20℃設定の冷却プレスでシートとし、これを適当な大きさに切断して測定用試料とした。また、該試料を用いてプレスシートを作成して、物性を測定した。各種測定結果を表4に示す。
実施例1で得られた4-メチル-1-ペンテン・α-オレフィン共重合体70重量部と、三井化学(株)社製タフマーXM7070 30重量部を配合した。さらに、該組成物100重量部に対して、チバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合した。その後、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度200℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)、50rpm、5分間溶融混練後、取り出し20℃設定の冷却プレスでシートとし、これを適当な大きさに切断して測定用試料とした。また、該試料を用いてプレスシートを作成して、物性を測定した。各種測定結果を表4に示す。
実施例2で得られた4-メチル-1-ペンテン・α-オレフィン共重合体80重量部と、(株)プライムポリマー社製ポリプロピレンF107P 20重量部を配合した。さらに、該組成物100重量部に対して、チバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合した。その後、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度200℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)、50rpm、5分間溶融混練後、取り出し20℃設定の冷却プレスでシートとし、これを適当な大きさに切断して測定用試料とした。また、該試料を用いてプレスシートを作成して、物性を測定した。各種測定結果を表4に示す。
実施例3で得られた4-メチル-1-ペンテン・α-オレフィン共重合体80重量部と、ポリ4-メチル-1-ペンテン(三井化学株式会社製、TPX RT-18)20重量部を配合した。さらに、該組成物100重量部に対して、チバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合した。その後、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度260℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)、50rpm、5分間溶融混練後、取り出し20℃設定の冷却プレスでシートとし、これを適当な大きさに切断して測定用試料とした。また、該試料を用いてプレスシートを作成して、物性を測定した。各種測定結果を表4に示す。
実施例5で得られた4-メチル-1-ペンテン・α-オレフィン共重合体80重量部と、(株)プライムポリマー社製ポリプロピレンF107P 20重量部を配合した。さらに、該組成物100重量部に対して、チバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合した。その後、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度200℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)、50rpm、5分間溶融混練後、取り出し20℃設定の冷却プレスでシートとし、これを適当な大きさに切断して測定用試料とした。また、該試料を用いてプレスシートを作成して、物性を測定した。各種測定結果を表4に示す。
実施例5で得られた4-メチル-1-ペンテン・α-オレフィン共重合体80重量部と、ポリ4-メチル-1-ペンテン(三井化学株式会社製、TPX RT-18)20重量部を配合した。さらに、該組成物100重量部に対して、チバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合した。その後、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度260℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)、50rpm、5分間溶融混練後、取り出し20℃設定の冷却プレスでシートとし、これを適当な大きさに切断して測定用試料とした。また、該試料を用いてプレスシートを作成して、物性を測定した。各種測定結果を表4に示す。
実施例1で得られた4-メチル-1-ペンテン・α-オレフィン共重合体65重量部と、(株)クラレ社製水素添加スチレン・イソプレン・スチレン共重合体ハイブラー5127 35重量部を配合した。さらに、得られた混合物に対してチバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合した。これらを、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度200℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)、50rpm、5分間の条件下で溶融混練した後、取り出し20℃設定の冷却プレスで冷却し、これを適当な大きさに切断して測定用試料とした。また、該試料を用いてプレスシートを作成して、物性を測定した。各種測定結果を表4に示す。
実施例1で得られた4-メチル-1-ペンテン・α-オレフィン共重合体20重量部と、(株)クラレ社製水素添加スチレン・イソプレン・スチレン共重合体ハイブラー5127 80重量部を配合した。さらに、得られた混合物に対してチバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合した。これらを、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度200℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)、50rpm、5分間の条件下で溶融混練した後、取り出し20℃設定の冷却プレスで冷却し、これを適当な大きさに切断して測定用試料とした。また、該試料を用いてプレスシートを作成して、物性を測定した。各種測定結果を表4に示す。
実施例4で得られた4-メチル-1-ペンテン・α-オレフィン共重合体65重量部と、(株)クラレ社製水素添加スチレン・イソプレン・スチレン共重合体ハイブラー5127 35重量部を配合した。さらに、得られた混合物に対してチバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合した。これらを、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度200℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)、50rpm、5分間の条件下で溶融混練した後、取り出し20℃設定の冷却プレスで冷却し、これを適当な大きさに切断して測定用試料とした。また、該試料を用いてプレスシートを作成して、物性を測定した。各種測定結果を表4に示す。
実施例4で得られた4-メチル-1-ペンテン・α-オレフィン共重合体20重量部と、(株)クラレ社製水素添加スチレン・イソプレン・スチレン共重合体ハイブラー5127 80重量部を配合した。さらに、得られた混合物に対してチバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合した。これらを、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度200℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)、50rpm、5分間の条件下で溶融混練した後、取り出し20℃設定の冷却プレスで冷却し、これを適当な大きさに切断して測定用試料とした。また、該試料を用いてプレスシートを作成して、物性を測定した。各種測定結果を表4に示す。
実施例4で得られた4-メチル-1-ペンテン・α-オレフィン共重合体80重量部と、三井化学(株)社製ポリ1-ブテン(タフマーBL P5000)20重量部を配合した。さらに、得られた混合物に対してチバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合した。これらを、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度200℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)、50rpm、5分間の条件下で溶融混練した後、取り出し20℃設定の冷却プレスで冷却し、これを適当な大きさに切断して測定用試料とした。また、該試料を用いてプレスシートを作成して、物性を測定した。各種測定結果を表4に示す。
実施例4で得られた4-メチル-1-ペンテン・α-オレフィン共重合体90重量部と、三井化学(株)社製ポリ1-ブテン(タフマーBL P5000)10重量部を配合した。さらに、得られた混合物に対してチバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合した。これらを、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度200℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)、50rpm、5分間の条件下で溶融混練した後、取り出し20℃設定の冷却プレスで冷却し、これを適当な大きさに切断して測定用試料とした。また、該試料を用いてプレスシートを作成して、物性を測定した。各種測定結果を表4に示す。
実施例3で得られた4-メチル-1-ペンテン・α-オレフィン共重合体90重量部と、三井化学(株)社製ポリ1-ブテン(タフマーBL P5000)10重量部を配合した。さらに、得られた混合物に対してチバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合した。これらを、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度200℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)、50rpm、5分間の条件下で溶融混練した後、取り出し20℃設定の冷却プレスで冷却し、これを適当な大きさに切断して測定用試料とした。また、該試料を用いてプレスシートを作成して、物性を測定した。各種測定結果を表4に示す。
実施例4で得られた4-メチル-1-ペンテン・α-オレフィン共重合体90重量部と、(株)プライムポリマー社製ポリプロピレンE-200GP 10重量部を配合した。さらに、得られた混合物に対してチバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合した。これらを、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度200℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)、50rpm、5分間の条件下で溶融混練した後、取り出し20℃設定の冷却プレスで冷却し、これを適当な大きさに切断して測定用試料とした。また、該試料を用いてプレスシートを作成して、物性を測定した。各種測定結果を表4に示す。
実施例4で得られた4-メチル-1-ペンテン・α-オレフィン共重合体90重量部と、三井化学(株)社製ポリ1-ブテン共重合体 BL2481 10重量部を配合した。さらに、得られた混合物に対してチバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合した。これらを、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度200℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)、50rpm、5分間の条件下で溶融混練した後、取り出し20℃設定の冷却プレスで冷却し、これを適当な大きさに切断して測定用試料とした。また、該試料を用いてプレスシートを作成して、物性を測定した。各種測定結果を表4に示す。
実施例4で得られた4-メチル-1-ペンテン・α-オレフィン共重合体90重量部と、三井化学(株)社製タフマーXM7070 10重量部を配合した。さらに、得られた混合物に対してチバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合した。これらを、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度200℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)、50rpm、5分間の条件下で溶融混練した後、取り出し20℃設定の冷却プレスで冷却し、これを適当な大きさに切断して測定用試料とした。また、該試料を用いてプレスシートを作成して、物性を測定した。各種測定結果を表4に示す。
参考までに、比較例2も表4に示す。
実施例1で得られた4-メチル-1-ペンテン・α-オレフィン共重合体15重量部と、エチレン・プロピレン・5-エチリデン-2-ノルボルネン三元共重合体[商品名:三井EPT3072EM、三井化学(株)製]140重量部に対して、加硫促進助剤として酸化亜鉛2種(商品名;酸化亜鉛2種、ハクスイテック株式会社製)を5重量部、加工助剤としてステアリン酸を1重量部、軟化剤として「ダイアナプロセスオイル PW-380」(商品名;出光興産株式会社製)を47重量部、カーボンブラック(商品名;シーストG116 東海カーボン株式会社製)を80重量部混練した。混練条件は、ローター回転数が50rpm、フローティングウェイト圧力が3kg/cm2、混練時間が5分間で行い、混練排出温度は145℃であった。次いで、上記配合物が温度40℃となったことを確認した後、14インチロールを用いて上記配合物に加硫促進剤として「サンセラーPZ」(商品名;三新化学工業株式会社製)を1.5重量部、加硫促進剤として「サンセラーTT」(商品名;三新化学工業株式会社製)を1.5重量部、加硫促進剤としてとして「サンセラーM」(商品名;三新化学工業株式会社製)を0.5重量部、加硫剤としてイオウを0.75重量部混練した。混練条件は、ロール温度を前ロール/後ロール=65℃/50℃、ロール回転数を前ロール/後ロール=13rpm/11.5rpm、ロール間隙を5mmとして混練時間8分間で分出しした。次に、この配合物からプレス成形機を用いて170℃で10分間加硫を行って、厚み2mmのゴムシートを調製して物性を測定した。各種測定結果を表5に示す。
実施例1で得られた4-メチル-1-ペンテン・α-オレフィン共重合体30重量部にした以外は実施例44と同様の操作を行い、厚み2mmのゴムシートを調製して物性を測定した。各種測定結果を表5に示す。
実施例4で得られた4-メチル-1-ペンテン・α-オレフィン共重合体15重量部にした以外は実施例44と同様の操作を行い、厚み2mmのゴムシートを調製して物性を測定した。各種測定結果を表5に示す。
実施例4で得られた4-メチル-1-ペンテン・α-オレフィン共重合体30重量部にした以外は実施例44と同様の操作を行い、厚み2mmのゴムシートを調製して物性を測定した。各種測定結果を表5に示す。
4-メチル-1-ペンテン・α-オレフィン共重合体を含有させなかった以外は実施例44と同様の操作を行い、厚み2mmのゴムシートを調製して物性を測定した。各種測定結果を表5に示す。
充分窒素置換した容量1.5リットルの攪拌翼付SUS製オートクレーブに、23℃で4-メチル-1-ペンテンを750ml装入した。このオートクレーブに、トリイソブチルアルミニウム(TIBAl)の1.0ミリモル/mlトルエン溶液を0.75ml装入し攪拌機を回した。次に、オートクレーブを内温30℃まで加熱し、全圧が0.74MPaGとなるようにプロピレンで加圧した。続いて、予め調製しておいた、メチルアルミノキサンをAl換算で1ミリモル、ジフェニルメチレン(1-エチル-3-t-ブチル-シクロペンタジエニル)(2,7-ジ-t-ブチル-フルオレニル)ジルコニウムジクロリドを0.005ミリモルの量で含むトルエン溶液0.34mlのトルエン溶液を窒素でオートクレーブに圧入し、重合を開始した。その後60分間、オートクレーブを内温60℃になるように温度調整した。重合開始60分後、オートクレーブにメタノール5mlを窒素で圧入し重合を停止し、オートクレーブを大気圧まで脱圧した。反応溶液にアセトンを攪拌しながら注いだ。得られた溶媒を含むゴム状の重合体を130℃、減圧下で12時間乾燥した。
充分窒素置換した容量1.5リットルの攪拌翼付SUS製オートクレーブに、23℃で4-メチル-1-ペンテンを750ml装入した。このオートクレーブに、トリイソブチルアルミニウム(TIBAl)の1.0ミリモル/mlトルエン溶液を0.75ml装入し攪拌機を回した。次に、オートクレーブを内温30℃まで加熱し、全圧が0.68MPaGとなるようにプロピレンで加圧した。続いて、予め調製しておいた、メチルアルミノキサンをAl換算で1ミリモル、ジフェニルメチレン(1-メチル-3-t-ブチル-シクロペンタジエニル)(2,7-ジ-t-ブチル-フルオレニル)ジルコニウムジクロリドを0.005ミリモルの量で含むトルエン溶液0.34mlを窒素でオートクレーブに圧入し、重合を開始した。その後60分間、オートクレーブを内温60℃になるように温度調整した。重合開始60分後、オートクレーブにメタノール5mlを窒素で圧入し重合を停止し、オートクレーブを大気圧まで脱圧した。反応溶液にアセトンを攪拌しながら注いだ。得られた溶媒を含むゴム状の重合体を130℃、減圧下で12時間乾燥した。
重合器内の全圧が0.35MPaGになるようにプロピレンで加圧した以外は、重合例AA-2と同様に重合を行った。
重合器内の全圧が0.15MPaGになるようにプロピレンで加圧した以外は、重合例AA-2と同様に重合を行った。
重合器内の全圧が0.15MPaGになるようにプロピレンで加圧し、重合温度を60℃とした以外は、重合例AA-2と同様に重合を行った。
市販されているポリプロピレン(プライムポリマー社製、F107P)を用いた。ポリマーの物性を表7に示す。
市販されているポリプロピレン(プライムポリマー社製、F327)を用いた。ポリマーの物性を表7に示す。
充分に窒素置換した内容量500mlのガラス製オートクレーブにトルエン250mlを装入し、プロピレンを150リットル/時間の量で流通させ、25℃で20分間保持させておいた。一方、充分に窒素置換した内容量30mlの枝付きフラスコにマグネチックスターラーを入れ、これにメチルアルミノキサンのトルエン溶液(Al=1.53mol/l)を5.00mmol、次いでジベンジルメチレン(シクロペンタジエニル) (3,6-ジ-tert-ブチルフルオレニル)ジルコニウムジクロリドのトルエン溶液5.0μmolを加え、20分間攪拌した。この溶液を、プロピレンを流通させておいたガラス製オートクレーブのトルエンに加え、重合を開始した。プロピレンガスを150L/時間の量で連続的に供給し、常圧下、25℃で45分間重合を行った後、少量のメタノールを添加し重合を停止した。ポリマー溶液を大過剰のメタノールに加え、ポリマーを析出させ80℃で12時間、減圧乾燥を行った結果、ポリマー2.38gが得られた。得られたポリマーの物性を表7に示す。
市販されているポリプロピレン(プライムポリマー社製、B241)を用いた。ポリマーの物性を表7に示す。
市販されているポリプロピレン(プライムポリマー社製、E-200GP)を用いた。ポリマーの物性を表7に示す。
充分に窒素置換した1000mlの重合装置に、1834mlの乾燥ヘキサン、1-オクテン1144gとトリイソブチルアルミニウム(1.0mmol)を常温で仕込んだ後、重合装置内温を80℃に昇温し、エチレンで、系内圧力を0.75MPaに調整した。次いで、ビス(p-トリル)メチレン(シクロペンタジエニル)(1,1,4,4,7,7,10,10-オクタメチル-1,2,3,4,7,8,9,10-オクタヒドロジベンズ(b,h)-フルオレニル)ジルコニウムジクロリドを0.003mmolと、アルミニウム換算で0.15mmolのメチルアルミノキサン(東ソー・ファインケム社製)を接触させたトルエン溶液を重合器内に添加し、内温80℃、系内圧力を0.75MPaにエチレンで保ちながら60分間重合し、20mlのメタノールを添加し重合を停止した。脱圧後、4Lのメタノール中で重合溶液からポリマーを析出し、真空下130℃、12時間乾燥した。得られたポリマーは、75.0gであった。得られたポリマーの物性を表8に示す。
充分に窒素置換した4000mlの重合装置に、1834mlの乾燥ヘキサン、トリイソブチルアルミニウム(1.0mmol)を常温で仕込んだ後、重合装置内温を80℃に昇温し、プロピレンで0.35MPaになるように昇圧した後にエチレンで、系内圧力を0.75MPaに調整した。次いで、ビス(p-トリル)メチレン(シクロペンタジエニル)(1,1,4,4,7,7,10,10-オクタメチル-1,2,3,4,7,8,9,10-オクタヒドロジベンズ(b,h)-フルオレニル)ジルコニウムジクロリドを0.00015mmolと、アルミニウム換算で0.075mmolのメチルアルミノキサン(東ソー・ファインケム社製)を接触させたトルエン溶液を重合器内に添加し、内温80℃、系内圧力を0.75MPaにエチレンで保ちながら60分間重合し、20mlのメタノールを添加し重合を停止した。脱圧後、4Lのメタノール中で重合溶液からポリマーを析出し、真空下130℃、12時間乾燥した。得られたポリマーは、89.2gであった。得られたポリマーの物性を表8に示す。
充分に窒素置換した4000mlの重合装置に、1834mlの乾燥ヘキサン、1-ブテン90gとトリイソブチルアルミニウム(1.0mmol)を常温で仕込んだ後、重合装置内温を80℃に昇温し、エチレンで、系内圧力を0.75MPaに調整した。次いで、ビス(p-トリル)メチレン(シクロペンタジエニル)(1,1,4,4,7,7,10,10-オクタメチル-1,2,3,4,7,8,9,10-オクタヒドロジベンズ(b,h)-フルオレニル)ジルコニウムジクロリドを0.00015mmolと、アルミニウム換算で0.075mmolのメチルアルミノキサン(東ソー・ファインケム社製)を接触させたトルエン溶液を重合器内に添加し、内温80℃、系内圧力を0.75MPaにエチレンで保ちながら60分間重合し、20mlのメタノールを添加し重合を停止した。脱圧後、4Lのメタノール中で重合溶液からポリマーを析出し、真空下130℃、12時間乾燥した。得られたポリマーは、49.0gであった。得られたポリマーの物性を表8に示す。
充分に窒素置換した4000mlの重合装置に、1834mlの乾燥ヘキサン、1-ブテン120gとトリイソブチルアルミニウム(1.0mmol)を常温で仕込んだ後、重合装置内温を60℃に昇温し、プロピレンで系内の圧力を0.56MPaになるように加圧した後に、エチレンで、系内圧力を0.75MPaに調整した。次いで、ジフェニルメチレン(3-tert-ブチル-5-メチル-シクロペンタジエニル)(2,7-ジ-tert-ブチル-フルオレニル)ジルコニウムジクロリド0.001mmolとアルミニウム換算で0.3mmolのメチルアルミノキサン(東ソー・ファインケム社製)を接触させたトルエン溶液を重合器内に添加し、内温60℃、系内圧力を0.75MPaにエチレンで保ちながら20分間重合し、20mlのメタノールを添加し重合を停止した。脱圧後、4Lのメタノール中で重合溶液からポリマーを析出し、真空下130℃、12時間乾燥した。得られたポリマーは、102.5gであった。得られたポリマーの物性を表8に示す。
充分に窒素置換した4000mlの重合装置に、1834mlの乾燥ヘキサン、1-ブテン110gとトリイソブチルアルミニウム(1.0mmol)を常温で仕込んだ後、重合装置内温を55℃に昇温し、プロピレンで系内の圧力を0.56MPaになるように加圧した後に、エチレンで、系内圧力を0.75MPaに調整した。次いで、ジフェニルメチレン(3-tert-ブチル-5-メチル-シクロペンタジエニル)(2,7-ジ-tert-ブチル-フルオレニル)ジルコニウムジクロリド0.001mmolとアルミニウム換算で0.3mmolのメチルアルミノキサン(東ソー・ファインケム社製)を接触させたトルエン溶液を重合器内に添加し、内温55℃、系内圧力を0.75MPaにエチレンで保ちながら25分間重合し、20mlのメタノールを添加し重合を停止した。脱圧後、4Lのメタノール中で重合溶液からポリマーを析出し、真空下130℃、12時間乾燥した。得られたポリマーは、120.2gであった。得られたポリマーの物性を表8に示す。
充分に窒素置換した2000mlの重合装置に、775mlの乾燥ヘキサン、1-ブテン135gとトリイソブチルアルミニウム(1.0mmol)を常温で仕込んだ後、重合装置内温を50℃に昇温し、プロピレンで0.7MPaに加圧した。次いで、ジメチルメチレン(3-tert-ブチル-5-メチルシクロペンタジエニル)フルオレニルジルコニウムジクロライド0.002mmolとアルミニウム換算で0.6mmolのメチルアルミノキサン(東ソー・ファインケム社製)を接触させたトルエン溶液を重合器内に添加し、内温50℃、プロピレン圧0.7MPaを保ちながら30分間重合し、20mlのメタノールを添加し重合を停止した。脱圧後、2Lのメタノール中で重合溶液からポリマーを析出し、真空下130℃、12時間乾燥した。得られたポリマーは、45.3gであった。得られたポリマーについて測定した物性を表8に示す。
充分に窒素置換した2000mlの重合装置に、775mlの乾燥ヘキサン、1-ブテン300gとトリエチルアルミニウム(1.0mmol)を常温で仕込んだ後、水素ガス240Nmlを導入して重合装置内温を60℃に昇温し、プロピレンで0.7MPaに加圧した。次いで、調整した固体状チタン触媒を0.013ミリモルのトルエン溶液を重合器内に添加し、内温50℃、プロピレン圧0.7MPaを保ちながら30分間重合し、20mlのメタノールを添加し重合を停止した。脱圧後、2Lのメタノール中で重合溶液からポリマーを析出し、真空下130℃、12時間乾燥した。得られたポリマーは、65.3gであった。得られたポリマーについて測定した物性を表8に示す。
4-メチル-1-ペンテン共重合体(AA-1)70重量部と、結晶性オレフィン樹脂(BB-4)20重量部と、オレフィン系共重合体(CC-3)10重量部を配合する。さらに、該組成物100重量部に対して、チバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合する。その後、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度200℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)を、50rpm、5分間溶融混練後、取り出し20℃設定の冷却プレスでシートにし、これを適当な大きさに切断して測定用試料を作成した。また、該試料を用いてプレスシートを作成して、物性を測定した。各種物性の測定結果を表9に示す。
4-メチル-1-ペンテン共重合体(AA-1)60重量部と、結晶性オレフィン樹脂(BB-4)20重量部と、オレフィン系共重合体(CC-3)20重量部を配合する。さらに、該組成物100重量部に対して、チバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合する。その後、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度200℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)を、50rpm、5分間溶融混練後、取り出し20℃設定の冷却プレスでシートにし、これを適当な大きさに切断して測定用試料を作成した。また、該試料を用いてプレスシートを作成して、物性を測定した。各種物性の測定結果を表9に示す。
4-メチル-1-ペンテン共重合体(AA-1)70重量部と、結晶性オレフィン樹脂(BB-5)10重量部と、オレフィン系共重合体(CC-6)20重量部を配合する。さらに、該組成物100重量部に対して、チバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合する。その後、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度200℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)を、50rpm、5分間溶融混練後、取り出し20℃設定の冷却プレスでシートにし、これを適当な大きさに切断して測定用試料を作成した。また、該試料を用いてプレスシートを作成して、物性を測定した。各種物性の測定結果を表9に示す。
4-メチル-1-ペンテン共重合体(AA-1)70重量部と、結晶性オレフィン樹脂(BB-5)20重量部と、オレフィン系共重合体(CC-6)10重量部を配合する。さらに、該組成物100重量部に対して、チバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合する。その後、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度200℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)を、50rpm、5分間溶融混練後、取り出し20℃設定の冷却プレスでシートにし、これを適当な大きさに切断して測定用試料を作成した。また、該試料を用いてプレスシートを作成して、物性を測定した。各種物性の測定結果を表9に示す。
4-メチル-1-ペンテン共重合体(AA-1)70重量部と、結晶性オレフィン樹脂(BB-5)20重量部と、オレフィン系共重合体(CC-7)10重量部を配合する。さらに、該組成物100重量部に対して、チバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合する。その後、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度200℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)を、50rpm、5分間溶融混練後、取り出し20℃設定の冷却プレスでシートにし、これを適当な大きさに切断して測定用試料を作成した。また、該試料を用いてプレスシートを作成して、物性を測定した。各種物性の測定結果を表9に示す。
4-メチル-1-ペンテン共重合体(AA-2)70重量部と、結晶性オレフィン樹脂(BB-1)20重量部と、オレフィン系共重合体(CC-3)10重量部を配合する。さらに、該組成物100重量部に対して、チバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合する。その後、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度200℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)を、50rpm、5分間溶融混練後、取り出し20℃設定の冷却プレスでシートにし、これを適当な大きさに切断して測定用試料を作成した。また、該試料を用いてプレスシートを作成して、物性を測定した。各種物性の測定結果を表9に示す。
4-メチル-1-ペンテン共重合体(AA-3)80重量部と、結晶性オレフィン樹脂(BB-2)4重量部と、オレフィン系共重合体(CC-4)16重量部を配合する。さらに、該組成物100重量部に対して、チバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合する。その後、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度200℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)を、50rpm、5分間溶融混練後、取り出し20℃設定の冷却プレスでシートとし、これを適当な大きさに切断して測定用試料とした。また、該試料を用いてプレスシートを作成して、物性を測定した。各種物性の測定結果を表9に示す。
4-メチル-1-ペンテン共重合体(AA-6)60重量部と、結晶性オレフィン樹脂(BB-2)8重量部と、オレフィン系共重合体(CC-4)32重量部を配合する。さらに、該組成物100重量部に対して、チバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合する。その後、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度200℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)を、50rpm、5分間溶融混練後、取り出し20℃設定の冷却プレスでシートにし、これを適当な大きさに切断して測定用試料を作成した。また、該試料を用いてプレスシートを作成して、物性を測定した。各種物性の測定結果を表9に示す。
4-メチル-1-ペンテン共重合体(AA-4)80重量部と、結晶性オレフィン樹脂(BB-3)3重量部と、オレフィン系共重合体(CC-5)17重量部を配合する。さらに、該組成物100重量部に対して、チバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合する。その後、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度200℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)を、50rpm、5分間溶融混練後、取り出し20℃設定の冷却プレスでシートにし、これを適当な大きさに切断するなどして測定用試料を作成した。また、該試料を用いてプレスシートを作成して、物性を測定した。各種物性の測定結果を表9に示す。
4-メチル-1-ペンテン共重合体(AA-4)60重量部と、結晶性オレフィン樹脂(BB-3)6重量部と、オレフィン系共重合体(CC-5)34重量部を配合する。さらに、該組成物100重量部に対して、チバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合する。その後、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度200℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)を、50rpm、5分間溶融混練後、取り出し20℃設定の冷却プレスでシートにし、これを適当な大きさに切断して測定用試料を作成した。また、該試料を用いてプレスシートを作成して、物性を測定した。各種物性の測定結果を表9に示す。
4-メチル-1-ペンテン共重合体(AA-4)60重量部と、結晶性オレフィン樹脂(BB-3)6重量部と、オレフィン系共重合体(CC-5)34重量部を配合する。さらに、該組成物100重量部に対して、チバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合する。その後、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度200℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)を、50rpm、5分間溶融混練後、取り出し20℃設定の冷却プレスでシートにし、これを適当な大きさに切断して測定用試料を作成した。また、該試料を用いてプレスシートを作成して、物性を測定した。各種物性の測定結果を表9に示す。
4-メチル-1-ペンテン共重合体(AA-2)10重量部と、結晶性オレフィン樹脂(BB-2)80重量部と、オレフィン系共重合体(CC-1)10重量部を配合する。さらに、該組成物100重量部に対して、チバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合する。その後、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度200℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)を、50rpm、5分間溶融混練後、取り出し20℃設定の冷却プレスでシートにし、これを適当な大きさに切断して測定用試料を作成した。また、該試料を用いてプレスシートを作成して、物性を測定した。各種物性の測定結果を表9に示す。
結晶性オレフィン樹脂(BB-1)70重量部と、オレフィン系共重合体(CC-1)30重量部を配合する。さらに、該組成物100重量部に対して、チバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合する。その後、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度200℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)、50rpm、5分間溶融混練後、取り出し20℃設定の冷却プレスでシートにし、これを適当な大きさに切断して測定用試料を作成した。また、該試料を用いてプレスシートを作成して、物性を測定した。各種物性の測定結果を表9に示す。
4-メチル-1-ペンテン共重合体(AA-1)40重量部と、結晶性オレフィン樹脂(BB-1)60重量部を配合する。さらに、該組成物100重量部に対して、チバ・ジャパン(株)社製ヒンダードフェノール系酸化防止剤Irganox1010を1000ppm、リン系加工熱安定剤Irgafos168を1000ppm、日油(株)社製カルシウムステアレートを500ppm配合する。その後、東洋精機社製ラボプラストミル(2軸バッチ式溶融混練装置)を用い、設定温度200℃で、樹脂仕込み量40g(装置バッチ容積=60cm3)を、50rpm、5分間溶融混練後、取り出し20℃設定の冷却プレスでシートにし、これを適当な大きさに切断して測定用試料を作成した。また、該試料を用いてプレスシートを作成して、物性を測定した。各種物性の測定結果を表9に示す。
Claims (16)
- 4-メチル-1-ペンテンから導かれる構成単位(i)5~95モル%、4-メチル-1-ペンテンを除く炭素原子数2~20のα-オレフィンから選ばれる少なくとも1種以上のα-オレフィンから導かれる構成単位(ii)5~95モル%および非共役ポリエンから導かれる構成単位(iii)0~10モル%とからなり(ただし、構成単位(i)、(ii)および(iii)の合計を100モル%とする)、
下記要件(a)から(d)を満たすことを特徴とする4-メチル-1-ペンテン・α-オレフィン共重合体(A)。
(a)デカリン中135℃で測定した極限粘度[η]が0.01から5.0dL/g、
(b)ゲルパーミエイションクロマトグラフィー(GPC)により測定した重量平均分子量(Mw)と数平均分子量(Mn)との割合(Mw/Mn)が1.0~3.5、
(c)引張り弾性率(YM)が0.1~1000MPa、
(d)示差走査熱量計(DSC)によって測定した融点〔Tm〕が110℃未満または認められない。 - 4-メチル-1-ペンテンから導かれる構成単位(i)5~50モル%、4-メチル-1-ペンテンを除く炭素原子数2~20のα-オレフィンから選ばれる少なくとも1種以上のα-オレフィンから導かれる構成単位(ii)50~95モル%および非共役ポリエンから導かれる構成単位(iii)0~10モル%とからなり(ただし、構成単位(i)、(ii)および(iii)の合計を100モル%とする)、
さらに、下記要件(j)を満たすことを特徴とする請求項1に記載の4-メチル-1-ペンテン・α-オレフィン共重合体(A1)。
(j)周波数10rad/sで、-70℃~180℃の温度範囲の動的粘弾性を測定して得られる損失正接tanδの最大値が0.5以上であり、tanδの値が最大となる際の温度が0~40℃の範囲にある。 - 4-メチル-1-ペンテンから導かれる構成単位(i)10~32モル%、4-メチル-1-ペンテンを除く炭素原子数2~20のα-オレフィンから選ばれる少なくとも1種以上のα-オレフィンから導かれる構成単位(ii)68~90モル%および非共役ポリエンから導かれる構成単位(iii)0~10モル%とからなる(ただし、構成単位(i)、(ii)および(iii)の合計を100モル%とする)
ことを特徴とする請求項2に記載の4-メチル-1-ペンテン・α-オレフィン共重合体(A1)。 - 4-メチル-1-ペンテンから導かれる構成単位(i)33~80モル%、4-メチル-1-ペンテンを除く炭素原子数2~20のα-オレフィンから選ばれる少なくとも1種以上のα-オレフィンから導かれる構成単位(ii)67~20モル%および非共役ポリエンから導かれる構成単位(iii)0~10モル%とからなり(ただし、構成単位(i)、(ii)および(iii)の合計を100モル%とする)、
下記要件(e1)を満たすことを特徴とする請求項1に記載の4-メチル-1-ペンテン・α-オレフィン共重合体(A2)。
(e1)下式で定義されるショアーA硬度(JIS K6253に準拠、厚さ3mmのプレスシートの状態で測定)の値の変化ΔHSが、15~50である。
ΔHS=(押針接触開始直後のショアーA硬度値 - 押針接触開始から15秒後のショアーA硬度値)。 - 4-メチル-1-ペンテンから導かれる構成単位(i)5~95モル%と、4-メチル-1-ペンテンを除く炭素原子数2~10のα-オレフィンから導かれる構成単位(ii)4.9~94.9モル%と、非共役ポリエンから導かれる構成単位(iii)0.1~10モル%とからなる(ただし、構成単位(i)、(ii)および(iii)の合計を100モル%とする)ことを特徴とする請求項1に記載の4-メチル-1-ペンテン・α-オレフィン共重合体(A3)。
- 請求項1~5のいずれか一項に記載の4-メチル-1-ペンテン・α-オレフィン共重合体5~95重量部と、該4-メチル-1-ペンテン・α-オレフィン共重合体以外の熱可塑性樹脂(B)5~95重量部(ただし、該共重合体と該熱可塑性樹脂(B)の合計を100重量部とする)を含んでいることを特徴とする4-メチル-1-ペンテン・α-オレフィン共重合体組成物(X)。
- 4-メチル-1-ペンテンから導かれる構成単位(i)10~32モル%、4-メチル-1-ペンテンを除く炭素原子数2~20のα-オレフィンから選ばれる少なくとも1種以上のα-オレフィンから導かれる構成単位(ii)68~90モル%および非共役ポリエンから導かれる構成単位(iii)0~10モル%(ただし、構成単位(i)、(ii)および(iii)の合計を100モル%とする)とからなる請求項1に記載の4-メチル-1-ペンテン・α-オレフィン共重合体(A)50~95重量部と、該4-メチル-1-ペンテン・α-オレフィン共重合体以外の熱可塑性樹脂(B)5~50重量部を含み(ただし、該共重合体(A)と該熱可塑性樹脂(B)の合計を100重量部とする)、
下記要件(j1)を満たすことを特徴とする4-メチル-1-ペンテン・α-オレフィン共重合体組成物(X11)。
(j1)周波数10rad/sで、-70℃~180℃の温度範囲の動的粘弾性を測定して得られる損失正接tanδの最大値が0.4以上であり、tanδの値が最大となる際の温度が-50~40℃の範囲にある。 - 4-メチル-1-ペンテンから導かれる構成単位(i)10~32モル%、4-メチル-1-ペンテンを除く炭素原子数2~20のα-オレフィンから選ばれる少なくとも1種以上のα-オレフィンから導かれる構成単位(ii)68~90モル%および非共役ポリエンから導かれる構成単位(iii)0~10モル%(ただし、構成単位(i)、(ii)および(iii)の合計を100モル%とする)とからなる請求項1に記載の4-メチル-1-ペンテン・α-オレフィン共重合体(A)5~49重量部と、該4-メチル-1-ペンテン・α-オレフィン共重合体以外の熱可塑性樹脂(B)51~95重量部(ただし、該共重合体(A)と該熱可塑性樹脂(B)の合計を100重量部とする)を特徴とする4-メチル-1-ペンテン・α-オレフィン共重合体組成物(X12)。
- 4-メチル-1-ペンテンから導かれる構成単位(i)33~80モル%、4-メチル-1-ペンテンを除く炭素原子数2~20のα-オレフィンから選ばれる少なくとも1種以上のα-オレフィンから導かれる構成単位(ii)67~20モル%および非共役ポリエンから導かれる構成単位(iii)0~10モル%(ただし、構成単位(i)、(ii)および(iii)の合計を100モル%とする)とからなる請求項1に記載の4-メチル-1-ペンテン・α-オレフィン共重合体(A)50~95重量部と、該4-メチル-1-ペンテン・α-オレフィン共重合体以外の熱可塑性樹脂(B)5~50重量部を含み(ただし、該共重合体(A)と該熱可塑性樹脂(B)の合計を100重量部とする)、
下記要件(e2)を満たすことを特徴とする4-メチル-1-ペンテン・α-オレフィン共重合体組成物(X21)。
(e2)下式で定義されるショアーA硬度(JIS K6253に準拠、厚さ3mmのプレスシートの状態で測定)の値の変化ΔHSが、10~50であるか、または、下式で定義されるショアーD硬度(JIS K6253に準拠、厚さ3mmのプレスシートの状態で測定)の値の変化ΔHSが、5~50である。
ΔHS=(押針接触開始直後のショアーAまたはD硬度値 - 押針接触開始から15秒後のショアーAまたはD硬度値)。 - 4-メチル-1-ペンテンから導かれる構成単位(i)33~80モル%、4-メチル-1-ペンテンを除く炭素原子数2~20のα-オレフィンから選ばれる少なくとも1種以上のα-オレフィンから導かれる構成単位(ii)67~20モル%および非共役ポリエンから導かれる構成単位(iii)0~10モル%(ただし、構成単位(i)、(ii)および(iii)の合計を100モル%とする)とからなる請求項1に記載の4-メチル-1-ペンテン・α-オレフィン共重合体(A)5~49重量部と、該4-メチル-1-ペンテン・α-オレフィン共重合体以外の熱可塑性樹脂(B)51~95重量部(ただし、該共重合体(A)と該熱可塑性樹脂(B)の合計を100重量部とする)を含むことを特徴とする4-メチル-1-ペンテン・α-オレフィン共重合体組成物(X22)。
- 4-メチル-1-ペンテン共重合体(AA)を50~98重量部、4-メチル-1-ペンテン共重合体(AA)以外の融点が100℃以上の結晶性オレフィン樹脂(BB)を1~49重量部および4-メチル-1-ペンテン共重合体(AA)以外の融点が100℃未満のα-オレフィン系共重合体(CC)を1~49重量部(ただし、(AA)、(BB)および(CC)の合計を100重量部とする)を含み、
前記共重合体(AA)が、下記要件(a-1)~(a-3)、(b-2)および(b-3)を満たすことを特徴とする4-メチル-1-ペンテン共重合体組成物(Y)。
(a-1)4-メチル-1-ペンテンから導かれる構成単位が5~95重量%であり、4-メチル-1-ペンテンを除く炭素原子数2~20のα-オレフィンから選ばれる少なくとも1種以上のα-オレフィンから導かれる構成単位が5~95重量%である(ただし、該共重合体(AA)中の構成単位の全量を100重量%とする)
(a-2)デカリン中135℃で測定した極限粘度[η]が0.01から5.0dL/g。
(a-3)ゲルパーミエイションクロマトグラフィー(GPC)により測定した重量平均分子量(Mw)と数平均分子量(Mn)との割合(Mw/Mn)が1.0~3.5。
(b-2)下式で定義されるショアーA硬度(JIS K6253に準拠、厚さ3mmのプレスシートの状態で測定)の値の変化ΔHSが、10~50である。
ΔHS=(押針接触開始直後のショアーA硬度値 - 押針接触開始から15秒後のショアーA硬度値)。
(b-3)示差走査熱量計(DSC)によって測定した融点〔Tm〕が110℃未満または認められない。 - 前記共重合体(AA)を50~96重量部、前記樹脂(BB)を2~45重量部および前記α-オレフィン系共重合体(CC)を2~45重量部(ただし、(AA)、(BB)および(CC)の合計を100重量部とする)含み、
前記共重合体(AA)が、下記要件(c-1)を満たすことを特徴とする請求項9に記載の4-メチル-1-ペンテン共重合体組成物(Y)。
(c-1)4-メチル-1-ペンテンから導かれる構成単位が18~90重量%であり、4-メチル-1-ペンテンを除く炭素原子数2~20のα-オレフィンから選ばれる少なくとも1種以上のα-オレフィンから導かれる構成単位が10~82重量%である(ただし、該共重合体(AA)中の構成単位の全量を100重量%とする)。 - 下式で定義されるショアーA硬度(JIS K6253に準拠、厚さ3mmのプレスシートの状態で測定)の値の変化ΔHSが、10~50であるか、または、下式で定義されるショアーD硬度(JIS K6253に準拠、厚さ3mmのプレスシートの状態で測定)の値の変化ΔHSが、5~50であることを特徴とする請求項11または12に記載の4-メチル-1-ペンテン共重合体組成物(Y)。
ΔHS=(押針接触開始直後のショアーAまたはD硬度値 - 押針接触開始から15秒後のショアーAまたはD硬度値)。 - 請求項1~5のいずれか一項に記載の4-メチル-1-ペンテン・α-オレフィン共重合体を含んでなる成形体。
- 請求項6~10のいずれか一項に記載の4-メチル-1-ペンテン・α-オレフィン共重合体組成物を含んでなる成形体。
- 請求項11~13のいずれか一項に記載の4-メチル-1-ペンテン共重合体組成物を含んでなる成形体。
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EP (1) | EP2497789B1 (ja) |
JP (3) | JP5762303B2 (ja) |
KR (1) | KR101408423B1 (ja) |
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US9725540B2 (en) | 2017-08-08 |
KR101408423B1 (ko) | 2014-06-17 |
US10662270B2 (en) | 2020-05-26 |
JP2015052127A (ja) | 2015-03-19 |
CN103588917A (zh) | 2014-02-19 |
EP2497789A4 (en) | 2013-04-17 |
EP2497789B1 (en) | 2014-04-02 |
JP5946515B2 (ja) | 2016-07-06 |
CN102597027B (zh) | 2013-11-06 |
KR20120071408A (ko) | 2012-07-02 |
CN102597027A (zh) | 2012-07-18 |
US20220073659A1 (en) | 2022-03-10 |
US20170298160A1 (en) | 2017-10-19 |
JP5815834B2 (ja) | 2015-11-17 |
US20200247925A1 (en) | 2020-08-06 |
US20120220728A1 (en) | 2012-08-30 |
EP2497789A1 (en) | 2012-09-12 |
JPWO2011055803A1 (ja) | 2013-03-28 |
JP5762303B2 (ja) | 2015-08-12 |
CN103588917B (zh) | 2015-10-14 |
JP2015052128A (ja) | 2015-03-19 |
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