WO2024010164A1 - 중합체 조성물 제조방법 및 중합체 조성물 - Google Patents
중합체 조성물 제조방법 및 중합체 조성물 Download PDFInfo
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- WO2024010164A1 WO2024010164A1 PCT/KR2023/002203 KR2023002203W WO2024010164A1 WO 2024010164 A1 WO2024010164 A1 WO 2024010164A1 KR 2023002203 W KR2023002203 W KR 2023002203W WO 2024010164 A1 WO2024010164 A1 WO 2024010164A1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F36/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
- C08F36/02—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds
- C08F36/04—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F136/00—Homopolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
- C08F136/02—Homopolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds
- C08F136/04—Homopolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
- C08F136/06—Butadiene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- 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
- C08F4/52—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 selected from boron, aluminium, gallium, indium, thallium or rare earths
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- 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
- C08F4/607—Catalysts containing a specific non-metal or metal-free compound
- C08F4/608—Catalysts containing a specific non-metal or metal-free compound inorganic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- 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
- C08F4/607—Catalysts containing a specific non-metal or metal-free compound
- C08F4/609—Catalysts containing a specific non-metal or metal-free compound organic
- C08F4/6095—Catalysts containing a specific non-metal or metal-free compound organic containing nitrogen
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- 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
- C08F4/70—Iron group metals, platinum group metals or compounds thereof
- C08F4/7095—Cobalt, nickel or compounds thereof
- C08F4/7098—Nickel or compounds thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2410/00—Features related to the catalyst preparation, the catalyst use or to the deactivation of the catalyst
- C08F2410/01—Additive used together with the catalyst, excluding compounds containing Al or B
Definitions
- the present invention relates to a method for preparing a polymer composition and a polymer composition prepared therefrom.
- Polybutadiene can be produced using a Ziegler-Natta based catalyst.
- the Ziegler-Natta catalyst can be prepared by activating an organometallic compound, for example, an organic nickel compound, with an alkyl aluminum compound and a fluorine compound, and the prepared catalyst is reacted with a 1,3-butadiene monomer to produce polybutadiene.
- U.S. Patent No. 7081504 (Patent Document 1) and U.S. Patent No. 5451646 (Patent Document 2) use alkylated polybutadiene to improve processability in producing polybutadiene with a high cis bond content.
- a method for producing polybutadiene is disclosed in which the molecular weight of polybutadiene is adjusted and the degree of branching is improved by introducing a diphenylamine compound and a para-styrenated diphenylamine compound.
- Patent Document 1 US 7081504 B2
- Patent Document 2 US 5451646 A
- the problem to be solved by the present invention is to improve the yellowing phenomenon of branched conjugated diene-based polymers with improved branching degree.
- the present invention is made from a catalyst composition containing a diphenylamine compound by mixing a compound containing a t-butylphenol group with a branched conjugated diene polymer.
- the purpose is to provide a method for producing a polymer composition that can prevent yellowing of the produced conjugated diene polymer.
- the present invention aims to provide a polymer composition prepared by the above polymer composition manufacturing method, which includes a branched conjugated diene polymer and has excellent processability and improved yellowing phenomenon.
- the present invention provides a polymer composition manufacturing method and a polymer composition.
- the present invention provides a step of preparing a branched conjugated diene-based polymer by polymerizing a conjugated diene-based monomer in the presence of a catalyst composition containing an organometallic compound, an organoaluminum compound, a fluorine-based compound, and a diphenylamine-based compound (S10) ); And a step (S20) of mixing the monomer before polymerization in the step (S10), the polymerization solution during polymerization, or the branched conjugated diene polymer after polymerization, and a compound containing a t-butylphenol group. to provide.
- the present invention provides a method for producing the polymer composition according to (1) above, wherein the organometallic compound is an organic nickel compound.
- the organometallic compound is nickel benzoate, nickel acetate, nickel naphthenate, nickel octanoate, nickel neodecanoate, bis ( ⁇ -furyl) dioxime) nickel, nickel palmitate, nickel stearate, nickel acetylacetonate, nickel salicaldade, bis(cyclopentadiene) nickel, bis(salicylaldehyde) ethylene diimine nickel, cyclopentadienyl- selected from the group consisting of nickel nitrosyl, bis( ⁇ -allyl nickel), bis( ⁇ -cycloocta-1,5-diene)nickel, bis( ⁇ -allyl nickel trifluoroacetate) and nickel tetracarbonyl.
- a method for producing one or more polymer compositions is provided.
- the present invention provides a method for producing a polymer composition according to any one of (1) to (3) above, wherein the organoaluminum compound is an alkyl aluminum compound represented by the following formula (1).
- R 1 to R 3 are each independently hydrogen or an alkyl group having 1 to 12 carbon atoms, but not all of R 1 to R 3 are hydrogen.
- the present invention provides a method for producing a polymer composition according to any one of (1) to (4) above, wherein the fluorine-based compound is at least one selected from the group consisting of hydrogen fluoride and boron trifluoride.
- the present invention provides a method for producing a polymer composition according to any one of (1) to (5) above, wherein the diphenylamine-based compound is a compound represented by the following formula (2).
- R 4 and R 5 are each independently an alkyl group having 2 to 18 carbon atoms unsubstituted or substituted with an aryl group having 6 to 30 carbon atoms.
- the present invention is a polymer according to any one of (1) to (6) above, wherein the compound containing a t-butylphenol group is t-butylcatechol, butylated hydroxytoluene, or a mixture thereof.
- a method for manufacturing the composition is provided.
- the present invention according to any one of (1) to (7) above, wherein in the step (S20), the compound containing a t-butylphenol group is 100 parts by weight of the conjugated diene monomer or branched conjugated diene polymer.
- a method for producing a polymer composition is provided, which is mixed in an amount of 0.0001 to 0.005 parts by weight.
- the present invention provides a polymer composition comprising a metal-catalyzed branched conjugated diene polymer and a compound containing a t-butylphenol group.
- the present invention relates to the polymer according to (9) above, wherein the content of the compound containing the t-butylphenol group is 0.0001 to 0.005 parts by weight based on 100 parts by weight of the metal-catalyzed branched conjugated diene polymer.
- a composition is provided.
- the polymer composition prepared according to the polymer composition manufacturing method of the present invention contains a branched conjugated diene polymer and has excellent processability, while yellowing phenomenon is improved.
- the present invention relates to a method for producing a polymer composition and a polymer composition prepared therefrom, and relates to a branched conjugated diene-based polymer, disclosed in US Patent No. 7081504 (Patent Document 1) and US Patent Publication No. 5451646 (Patent Document 2). ) includes the entire contents described in. Therefore, even if there are matters not described in the description of the present invention with respect to the production of the branched conjugated diene polymer, U.S. Patent Publication No. 7081504 (Patent Document 1) and U.S. Patent Publication No.
- Patent Document 2 All the matters described in correspond to the branched conjugated diene-based polymer of the present invention, and for the production of the branched conjugated diene-based polymer of the present invention, see U.S. Patent Registration No. 7081504 (Patent Document 1) and The matters described in U.S. Patent Publication No. 5451646 (Patent Document 2) can be applied as is.
- the present invention provides a method for making a polymer composition.
- the method for producing the polymer composition is to polymerize a conjugated diene monomer in the presence of a catalyst composition containing an organometallic compound, an organoaluminum compound, a fluorine-based compound, and a diphenylamine-based compound to form a branched conjugated polymer.
- the step (S10) is a step for producing a branched conjugated diene-based polymer, and may be performed by polymerizing the conjugated diene-based monomer in the presence of a catalyst composition.
- the catalyst composition includes an organometallic compound activated with an organoaluminum compound and a fluorine-based compound for polymerizing a conjugated diene-based monomer, and a diphenylamine-based compound for inducing branching of the conjugated diene-based polymer. It may contain compounds.
- branching of the conjugated diene-based polymer means inducing the formation of a side chain with branches formed in the main chain formed from the conjugated diene-based monomer, and branched conjugated diene
- polymer is intended to distinguish it from linear conjugated diene-based polymer and refers to a conjugated diene-based polymer containing branched chains.
- the organometallic compound may be an organic nickel compound.
- the organometallic compounds include nickel benzoate, nickel acetate, nickel naphthenate, nickel octanoate, nickel neodecanoate, bis( ⁇ -furyl dioxime) nickel, nickel palmitate, nickel stearate, nickel Acetylacetonate, nickel salicaldade, bis(cyclopentadiene) nickel, bis(salicylicaldehyde) ethylene diimine nickel, cyclopentadienyl-nickel nitrosyl, bis( ⁇ -allyl nickel), bis It may be one or more selected from the group consisting of ( ⁇ -cycloocta-1,5-diene)nickel, bis( ⁇ -allyl nickel trifluoroacetate), and nickel tetracarbonyl, and a more specific example is nickel octanoate. It can be.
- the organoaluminum compound is used to activate an organometallic compound and may be an alkyl aluminum compound represented by the following formula (1).
- R 1 to R 3 are each independently hydrogen or an alkyl group having 1 to 12 carbon atoms, but not all of R 1 to R 3 are hydrogen.
- the organoaluminum compound is trimethyl aluminum, triethyl aluminum, tri-n-propyl aluminum, triisopropyl aluminum, tri-n-butyl aluminum, triisobutyl aluminum, tri-t-butyl Alkyl aluminum such as aluminum, tripentyl aluminum, trihexyl aluminum, tricyclohexyl aluminum, and trioctyl aluminum; Diethyl aluminum hydride, di-n-propyl aluminum hydride, diisopropyl aluminum hydride, di-n-butyl aluminum hydride, diisobutyl aluminum hydride (DIBAH), di-n-octyl aluminum hydride, Diphenyl aluminum hydride, di-p-tolyl aluminum hydride, dibenzyl aluminum hydride, phenylethyl aluminum hydride, phenyl-n-propyl aluminum hydride, phenylisopropyl aluminum hydride, phenyl aluminum hydride,
- the fluorine-based compound is used to activate an organometallic compound and may be at least one selected from the group consisting of hydrogen fluoride and boron trifluoride.
- the fluorine-based compound may be in the form of a complex, if necessary, and the complex is an ether-based compound, alcohol-based compound, or ketone containing an atom or radical that can provide electrons to hydrogen fluoride or boron trifluoride or share electrons. It can be formed from a compound, an ester compound, a nitrile compound, an amine compound, and water.
- the molar ratio of the organometallic compound:the organoaluminum compound may be 1:0.3 to 300, and the molar ratio of the organometallic compound:the fluorine-based compound may be 1:0.5 to 200. It may be, and the molar ratio of the organoaluminum compound:fluorine-based compound may be 1:0.7 to 7.
- the diphenylamine-based compound may be a compound represented by the following formula (2).
- R 4 and R 5 are each independently an alkyl group having 2 to 18 carbon atoms unsubstituted or substituted with an aryl group having 6 to 30 carbon atoms.
- R 4 and R 5 may each independently exist in an ortho, meta, or para position, and may be substituted or substituted with an aryl group having 6 to 30 carbon atoms. It may be a ringed alkyl group with 2 or more, 3 or more carbon atoms, or 4 or more carbon atoms, or it may be an alkyl group with 18 or less carbon atoms, 16 or less, 14 or less, or 12 or less carbon atoms substituted or unsubstituted with an aryl group with 6 to 30 carbon atoms. As a specific example, R 4 and R 5 may each independently exist in the para position.
- the alkyl group when the alkyl group is substituted with an aryl group having 6 to 30 carbon atoms, the alkyl group may be an alkyl group having 2 carbon atoms.
- the alkyl group having 2 carbon atoms substituted with an aryl group having 6 to 30 carbon atoms may be a styrene derivative.
- the diphenylamine-based compound may be a diphenylamine compound alkylated with an alkyl group having 2 to 18 carbon atoms or a para-styrenated diphenylamine compound.
- the content of the diphenylamine-based compound may be 0.25 parts by weight to 1.5 parts by weight, or 0.5 parts by weight to 0.75 parts by weight, based on 100 parts by weight of the conjugated diene-based monomer.
- the step (S10) may be performed by polymerizing the conjugated diene monomer in a hydrocarbon solvent in the presence of the catalyst composition.
- the hydrocarbon solvent may be one or more selected from the group consisting of n-pentane, n-hexane, n-heptane, isooctane, cyclohexane, toluene, benzene, and xylene.
- the conjugated diene monomer is 1,3-butadiene, isoprene, 1,3-pentadiene, 1,3-hexadiene, 2,3-dimethyl-1,3-butadiene, 2- Consists of ethyl-1,3-butadiene, 2-methyl-1,3-pentadiene, 3-methyl-1,3-pentadiene, 4-methyl-1,3-pentadiene, and 2,4-hexadiene. It may be one or more types selected from the group, and a specific example may be 1,3-butadiene.
- the polymerization in the step (S10) may be performed using coordination anionic polymerization, and the polymerization environment may be bulk polymerization, solution polymerization, suspension polymerization, or emulsion polymerization, and specific examples include in solution. It can be combined.
- the polymerization in the (S10) step is carried out at -20 °C or higher, -10 °C or higher, 0 °C or higher, 10 °C or higher, 20 °C or higher, 30 °C or higher, 40 °C or higher, or 50 °C or higher. , or may be carried out at a temperature of 60 °C or higher, and may also be carried out at a temperature of 200 °C or lower, 150 °C or lower, 120 °C or lower, or 90 °C or lower, and the polymerization reaction can be smoothly controlled within this range while producing The cis-1,4 bond content of the conjugated diene polymer can be secured.
- the polymerization in the step (S10) may be performed for 15 minutes or more, 20 minutes or more, 30 minutes or more, 40 minutes or more, 50 minutes or more, or 1 hour or more, and may be performed for 3 hours or more. It can be carried out for 2 hours and 30 minutes or less, or 2 hours or less.
- the conjugated diene-based polymer formed by the polymerization in step (S10) may be an active polymer including a site activated by a catalyst composition.
- the method for producing the polymer composition may include a step (S11) of reacting the active polymer with a denaturant.
- the modifier may be a known modifier that can be used when producing a conjugated diene-based polymer using a catalyst composition containing an organometallic compound.
- the (S20) step is performed by mixing the compound containing a t-butylphenol group with the monomer before polymerization in the (S10) step, the polymerization solution during polymerization, or the branched conjugated diene-based polymer after polymerization. It can be implemented.
- the mixing method of the compound containing the t-butylphenol group is not particularly limited, and may be added by pre-mixing with the monomer or solvent in the step (S10), or may be added during polymerization in the step (S10).
- the branched conjugated diene-based polymer prepared in step (S10) may be added and mixed directly on the solution, or it may be mixed when the solvent is removed in step (S10), and the solution prepared in step (S10) may be mixed.
- the topographical conjugated diene-based polymer may be obtained in the form of rubber and then mixed, or the branched conjugated diene-based polymer prepared in step (S10) may be obtained in the form of rubber and then added and mixed during rubber mixing. That is, the step (S20) does not necessarily need to be performed after the step (S10), and can be performed simultaneously with the step (S10) or at an appropriate time after the step (S10), as needed.
- the compound containing the t-butylphenol group is applicable to any compound that has a t-butyl group as a substituent on the phenol group, and in this case, the t-butyl group is located at the ortho, meta, or para position. It can exist.
- the compound containing the t-butylphenol group may further include (up to 4) other substituents in addition to the t-butyl group on the phenol group, where the other substituents have 1 to 30 carbon atoms, 1 to 20 carbon atoms, or 1 carbon atoms. It may be an alkyl group of 10 to 10.
- the compound containing the t-butylphenol group may be t-butylcatechol, butylated hydroxytoluene, or a mixture thereof.
- the compound containing a t-butylphenol group in the step (S20) is present in an amount of 0.0001 to 0.005 parts by weight based on 100 parts by weight of the conjugated diene monomer or branched conjugated diene polymer. can be mixed.
- the compound containing a t-butylphenol group in the step (S20) is 0.0001 part by weight, 0.0005 part by weight, 0.001 part by weight, or 0.0015 part by weight, based on 100 parts by weight of the branched conjugated diene polymer.
- the polymer composition may be 0.002 parts by weight or more, 0.0025 parts by weight or more, 0.003 parts by weight or more, 0.0035 parts by weight or more, or 0.004 parts by weight or more, and may also be 0.005 parts by weight or less, or 0.004 parts by weight or less, and within this range, the polymer composition It has the effect of significantly improving the yellowing phenomenon without deteriorating the physical properties.
- the present invention provides polymer compositions.
- the polymer composition may include a metal-catalyzed branched conjugated diene polymer and a compound containing a t-butylphenol group.
- the polymer composition may include a metal-catalyzed branched conjugated diene-based polymer.
- the metal-catalyzed branched conjugated diene-based polymer is a branched conjugated diene-based polymer prepared in step (S10) of the polymer composition manufacturing method, and may be a metal-catalyzed branched conjugated diene-based polymer.
- the metal-catalyzed branched conjugated diene-based polymer may include a conjugated diene-based monomer unit.
- the conjugated diene monomer unit refers to a repeating unit formed by polymerization of the conjugated diene monomer.
- the metal-catalyzed branched conjugated diene-based polymer contains 80% by weight or more, 85% by weight, 90% by weight, 95% by weight or more of 1,3-butadiene monomer units. It may contain 100% by weight, and optionally includes 20% by weight or less, 15% by weight, 10% by weight or less, or 5% by weight or less of other conjugated diene monomer units that can be copolymerized with 1,3-butadiene monomer. It is possible to prevent a decrease in the cis-1,4 bond content within the conjugated diene polymer within this range.
- the 1,3-butadiene monomer may be 1,3-butadiene or a derivative thereof, such as 1,3-butadiene, 2,3-dimethyl-1,3-butadiene, or 2-ethyl-1,3-butadiene.
- Other conjugated diene monomers that can be copolymerized with 1,3-butadiene include 2-methyl-1,3-pentadiene, 1,3-pentadiene, 3-methyl-1,3-pentadiene, and 4-methyl-1. ,3-pentadiene, 1,3-hexadiene, or 2,4-hexadiene.
- the metal-catalyzed branched conjugated diene-based polymer may be a conjugated diene-based polymer catalyzed from a catalyst composition containing an organometallic compound. That is, the conjugated diene-based polymer may be a conjugated diene-based polymer containing an organometallic moiety activated from a catalyst composition containing an organic nickel compound.
- the metal-catalyzed branched conjugated diene-based polymer has a weight average molecular weight (Mw) of 1.0 ⁇ 10 5 g/mol or more, 2.0 ⁇ 10 5 g/mol or more, 3.0 ⁇ 10 5 g/mol or more, 4.0 ⁇ 10 5 g/mol or more, 5.0 ⁇ 10 5 g/mol or more, 6.0 ⁇ 10 5 g/mol or more, 7.0 ⁇ 10 5 g/mol or more, 8.0 ⁇ 10 5 g/mol or more It may be 9.0 ⁇ 10 5 g/mol or more, and may also be 1.0 ⁇ 10 6 g/mol or less, 9.0 ⁇ 10 5 g/mol or less, 8.0 ⁇ 10 5 g/mol or less, 7.0 ⁇ 10 5 g/mol or less, It may be 6.0 ⁇ 10 5 g/mol or less, 5.0 ⁇ 10 5 g/mol or less, 4.0 ⁇ 10 5 g/
- the conjugated diene polymer has a number average molecular weight (Mn) of 1.0 ⁇ 10 5 g/mol or more, 2.0 ⁇ 10 5 g/mol or more, 3.0 ⁇ 10 5 g/mol or more, 4.0 ⁇ 10 5 g/mol or more. , or may be 5.0 ⁇ 10 5 g/mol or more, and may also be 6.0 ⁇ 10 5 g/mol or less, 5.0 ⁇ 10 5 g/mol or less, 4.0 ⁇ 10 5 g/mol or less, 3.0 ⁇ 10 5 g/mol It may be less than or equal to 2.0 ⁇ 10 5 g/mol, or less than or equal to 1.0 ⁇ 10 5 g/mol.
- Mn number average molecular weight
- the tensile properties are excellent and the processability is excellent, which facilitates mixing and kneading due to improved workability of the polymer composition, resulting in excellent mechanical properties and physical property balance of the polymer composition.
- the metal-catalyzed branched conjugated diene-based polymer may have a molecular weight distribution (Mw/Mn) of 1.0 or more, 1.5 or more, 2.0 or more, 2.1 or more, 2.2 or more, or 2.3 or more, Additionally, it may be 4.0 or less, 3.5 or less, 3.0 or less, or 2.5 or less.
- Mw/Mn molecular weight distribution
- the molecular weight distribution can be calculated from the ratio of weight average molecular weight (Mw) to number average molecular weight (Mn) (Mw/Mn).
- the number average molecular weight (Mn) is the common average of the individual polymer molecular weights calculated by measuring the molecular weight of n polymer chains, calculating the total of these molecular weights, and dividing by n
- the weight average molecular weight (Mw) represents the molecular weight distribution of the polymer composition. All molecular weight averages can be expressed in grams per mole (g/mol). In addition, the weight average molecular weight and number average molecular weight may each refer to polystyrene conversion molecular weight analyzed by gel permeation chromatography (GPC).
- the metal-catalyzed branched conjugated diene-based polymer when applied to a polymer composition, the polymer composition It has excellent tensile properties, viscoelasticity, and processability, and has an excellent balance of physical properties.
- the metal-catalyzed branched conjugated diene-based polymer has a cis-1,4 bond content of 95.0% by weight or more, 95.5% by weight or more, 96.0% by weight or more, 96.5% by weight or more, 97.0% by weight or more. It may be more than weight%, or more than 97.5% by weight, and may also be less than 100.0% by weight, less than 99.5% by weight, or less than 99.0% by weight.
- the metal-catalyzed branched conjugated diene-based polymer may have a Mooney viscosity (ML1+4, @100°C) of 30 or more, 35 or more, 40 or more, or 45 or more, and It may be 70 or less, 65 or less, 60 or less, 55 or less, or 50 or less.
- Mooney viscosity ML1+4, @100°C
- the polymer composition may include the metal-catalyzed branched conjugated diene-based polymer in an amount of 0.1% by weight or more, 10% by weight or more, or 20% by weight or more, and may include 100% by weight or more. It may contain less than % by weight, less than 95% by weight, or less than 90% by weight, and within this range, the wear resistance and crack resistance of a molded product, such as a tire, manufactured using the polymer composition can be sufficiently secured. You can.
- the compound containing the t-butylphenol group may be the same as that described above in the method for producing a polymer composition, and the compound containing the t-butylphenol group may be used as a t-butylphenol group in the polymer composition. It may exist in the form of a derivative derived from a compound containing a phenol group.
- the content of the compound containing the t-butylphenol group is 0.0001 part by weight, 0.0005 part by weight, or 0.001 part by weight, based on 100 parts by weight of the metal-catalyzed branched conjugated diene polymer. parts by weight or more, 0.0015 parts by weight or more, 0.002 parts by weight or more, 0.0025 parts by weight or more, 0.003 parts by weight or more, 0.0035 parts by weight or more, or 0.004 parts by weight or more, and may also be 0.005 parts by weight or less, or 0.004 parts by weight or less. , within this range, there is an effect of significantly improving the yellowing phenomenon without deteriorating the physical properties of the polymer composition.
- the present invention provides a rubber composition.
- the rubber composition may include the polymer composition.
- the rubber composition may further include other rubber components as needed in addition to the polymer composition.
- the rubber component may be included in an amount of 90% by weight or less based on the total weight of the rubber composition. Specifically, it may be included in an amount of 1 to 900 parts by weight based on 100 parts by weight of the polymer composition.
- the rubber component may be natural rubber or synthetic rubber.
- the rubber component may be natural rubber (NR) containing cis-1,4-polyisoprene; Modified natural rubber such as epoxidized natural rubber (ENR), deproteinized natural rubber (DPNR), and hydrogenated natural rubber, which are obtained by modifying or refining the above general natural rubber; Styrene-butadiene copolymer (SBR), polybutadiene (BR), polyisoprene (IR), butyl rubber (IIR), ethylene-propylene copolymer, polyisobutylene-co-isoprene, neoprene, poly(ethylene-co- propylene), poly(styrene-co-butadiene), poly(styrene-co-isoprene), poly(styrene-co-isoprene-co-butadiene), poly(isoprene-co-butadiene), poly(isoprene-co-but
- the rubber composition may include 20 parts by weight or more and 90 parts by weight or less of filler based on 100 parts by weight of the polymer composition.
- the filler may be a silica-based filler, a carbon black-based filler, or a combination thereof.
- the filler may be a carbon black-based filler.
- the carbon black-based filler may have a nitrogen adsorption specific surface area (N2SA, measured in accordance with JIS K 6217-2:2001) of 20 m 2 /g to 250 m 2 /g. Within this range, the processability of the rubber composition is excellent and sufficient reinforcement performance by the filler can be secured.
- the carbon black filler may have a dibutylphthalate oil absorption (DBP) of 80 cc/100g to 200 cc/100g, and within this range, the processability of the rubber composition is excellent and sufficient reinforcing performance by the filler can be secured. You can.
- the silica-based filler may be wet silica (hydrous silicic acid), dry silica (silicic anhydride), calcium silicate, aluminum silicate, or colloidal silica.
- the silica-based filler may be wet silica, which has the most significant effect of improving fracture properties and wet grip.
- the silica-based filler has a nitrogen surface area per gram (N2SA) of 120 m 2 /g to 180 m 2 /g, and a CTAB (cetyl trimethyl ammonium bromide) adsorption specific surface area of 100 m 2 /g. It may be from 200 m 2 /g, and within this range, the processability of the rubber composition is excellent and sufficient reinforcement performance by the filler can be secured.
- N2SA nitrogen surface area per gram
- CTAB cetyl trimethyl ammonium bromide
- a silane coupling agent when a silica-based filler is used as the filler, a silane coupling agent may be used together to improve reinforcing properties and low heat generation properties.
- the silane coupling agent is bis(3-triethoxysilylpropyl)tetrasulfide, bis(3-triethoxysilylpropyl)trisulfide, bis(3-triethoxysilylpropyl)disulfide, bis(2- Triethoxysilylethyl)tetrasulfide, bis(3-trimethoxysilylpropyl)tetrasulfide, bis(2-trimethoxysilylethyl)tetrasulfide, 3-mercaptopropyltrimethoxysilane, 3- Mercaptopropyltriethoxysilane, 2-mercaptoethyltrimethoxysilane, 2-mercaptoethyltriethoxysilane, 3-trime
- the silane coupling agent may be bis(3-triethoxysilylpropyl)polysulfide or 3-trimethoxysilylpropylbenzothiazyltetrasulfide, considering the effect of improving reinforcing properties.
- the rubber composition may be sulfur crosslinkable and may further include a vulcanizing agent accordingly.
- the vulcanizing agent may specifically be sulfur powder, and may be included in an amount of 0.1 to 10 parts by weight based on 100 parts by weight of the rubber component. Within this range, the necessary elastic modulus and strength of the vulcanized rubber composition can be secured, and at the same time, low fuel efficiency is achieved. Castle can be secured.
- the rubber composition contains various additives commonly used in the rubber industry, specifically, a vulcanization accelerator, process oil, plasticizer, anti-aging agent, anti-scorch agent, zinc white, It may further include stearic acid, thermosetting resin, or thermoplastic resin.
- the vulcanization accelerator is not particularly limited, and specifically, M (2-mercaptobenzothiazole), DM (dibenzothiazyl disulfide), CZ (N-cyclohexyl- Thiazole-based compounds such as 2-benzothiazylsulfenamide) or guanidine-based compounds such as DPG (diphenylguanidine) may be used.
- the vulcanization accelerator may be included in an amount of 0.1 to 5 parts by weight based on 100 parts by weight of the rubber component.
- the process oil acts as a softener in the rubber composition, and as a specific example, it may be a paraffinic, naphthenic, or aromatic compound.
- a more specific example is an aromatic compound when considering tensile strength and abrasion resistance.
- naphthenic or paraffin-based process oil can be used.
- the process oil may be included in an amount of 100 parts by weight or less based on 100 parts by weight of the rubber component, and within this range, it is possible to prevent a decrease in the tensile strength and low heat generation (low fuel efficiency) of vulcanized rubber.
- the anti-aging agent is N-isopropyl-N'-phenyl-p-phenylenediamine, N-(1,3-dimethylbutyl)-N'-phenyl-p-phenylenediamine , 6-ethoxy-2,2,4-trimethyl-1,2-dihydroquinoline, or a high-temperature condensate of diphenylamine and acetone.
- the anti-aging agent may be used in an amount of 0.1 to 6 parts by weight based on 100 parts by weight of the rubber component.
- the rubber composition can be obtained by kneading using a kneader such as a Banbury mixer, roll, or internal mixer according to the mixing prescription, and can be obtained with low heat generation through a vulcanization process after molding processing. And a rubber composition with excellent wear resistance can be obtained.
- a kneader such as a Banbury mixer, roll, or internal mixer according to the mixing prescription
- the rubber composition is used for each member of a tire such as tire tread, under tread, side wall, carcass coating rubber, belt coating rubber, bead filler, filler, or bead coating rubber, or for dust prevention. It can be useful in the manufacture of various industrial rubber products such as rubber, belt conveyors, and hoses.
- a molded article manufactured using the rubber composition may include a tire or tire tread.
- a catalyst composition was prepared in the same manner as Examples 10 to 22 described in U.S. Patent Publication No. 7081504 (Patent Document 1).
- n-hexane solution containing 1.0 g of a polymerization terminator and the antioxidant Irganox 1520 ( BASF) terminated the reaction by adding a solution of 30% by weight of t-butylcatechol (TBC) dissolved in n-hexane, and added t-butylcatechol (TBC) to a solution of 0.5% by weight of t-butylcatechol (TBC) dissolved in n-hexane.
- TBC 1,3-butadiene
- Example 1 a solution in which t-butylcatechol was dissolved in n-hexane at 0.5% by weight, the content of t-butylcatechol (TBC) was 1 ppm compared to the content of 1,3-butadiene introduced into the reactor. Instead, a butadiene polymer composition was prepared in the same manner as in Example 1, except that the content was added to 5 ppm.
- TBC t-butylcatechol
- Example 1 the solution in which t-butylcatechol was dissolved in n-hexane at 0.5% by weight, the content of t-butylcatechol (TBC) was 1 ppm compared to the content of 1,3-butadiene introduced into the reactor. Instead, a butadiene polymer composition was prepared in the same manner as in Example 1, except that the content was added to 15 ppm.
- TBC t-butylcatechol
- Example 1 a solution in which t-butylcatechol was dissolved in n-hexane at 0.5% by weight, the content of t-butylcatechol (TBC) was 1 ppm compared to the content of 1,3-butadiene introduced into the reactor. Instead, a butadiene polymer composition was prepared in the same manner as in Example 1, except that the content was added to 20 ppm.
- TBC t-butylcatechol
- Example 1 the solution in which t-butylcatechol was dissolved in n-hexane at 0.5% by weight, the content of t-butylcatechol (TBC) was 1 ppm compared to the content of 1,3-butadiene introduced into the reactor. Instead, a butadiene polymer composition was prepared in the same manner as Example 1, except that the content was added to 40 ppm.
- TBC t-butylcatechol
- Roxytoluene (BHT) was added so that the content was 10 ppm compared to the 1,3-butadiene content introduced into the reactor.
- the obtained polymer was placed in hot water heated with steam and stirred to remove the solvent, and then roll dried to remove the remaining solvent and water to prepare a butadiene polymer composition.
- Example 7 a solution in which t-butylcatechol was dissolved in n-hexane at 0.5% by weight, the content of t-butylcatechol (TBC) was 10 ppm compared to the content of 1,3-butadiene introduced into the reactor. Instead, a butadiene polymer composition was prepared in the same manner as in Example 1, except that the content was added to 20 ppm.
- Mooney viscosity and cis-1,4 bond content were measured in the following manner and are shown in Table 1 below.
- Mooney viscosity (ML1+4, @100°C): For each polymer, Mooney viscosity was measured at 100°C using a large rotor using Monsanto's MV2000E at a rotor speed of 2 ⁇ 0.02 rpm. The sample used at this time was left at room temperature (23 ⁇ 3°C) for more than 30 minutes, then 27 ⁇ 3 g was collected, filled inside the die cavity, and the Mooney viscosity was measured while operating the platen and applying torque. .
- Cis-1,4 bond content The cis-1,4 bond content of the conjugated diene moiety was measured using Fourier transform infrared spectroscopy (FT-IR). Specifically, after measuring the FT-IR transmittance spectrum of a carbon disulfide solution of a conjugated diene polymer prepared at a concentration of 5 mg/mL using carbon disulfide in the same cell as a blank, the maximum peak around 1130 cm -1 in the measured spectrum was measured.
- FT-IR Fourier transform infrared spectroscopy
- the polymer compositions prepared in Examples 1 to 8 do not rapidly increase in Y/I even after 6 weeks compared to the polymer compositions prepared in Comparative Example 1, but are maintained at an appropriate level, and the antioxidant It was confirmed that it remained in high content.
- the polymer composition prepared according to the polymer composition manufacturing method of the present invention contained a branched conjugated diene-based polymer and had excellent processability, while yellowing phenomenon was improved.
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Abstract
Description
| 구분 | 실시예 | 비교예 | |||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 1 | |
| 무니점도(MU) | 44.7 | 45.4 | 46.5 | 42.7 | 49.4 | 48.4 | 42.5 | 49.1 | 48.5 |
| 시스-1,4 결합 함량(중량%) | 96.4 | 96.5 | 96.5 | 96.3 | 96.8 | 96.5 | 96.8 | 97.0 | 96.5 |
| 구분 | Yellow index | 산화방지제 함량 (ppm) | |||
| 2주 경과 | 4주 경과 | 6주 경과 | 2주 경과 | 6주 경과 | |
| 실시예 1 | 19.2 | 22.4 | 25.7 | 3,028 | 2,504 |
| 실시예 2 | 18.5 | 20.9 | 25.8 | 3,058 | 2,805 |
| 실시예 3 | 18.1 | 14.8 | 16.8 | 3,005 | 2,994 |
| 실시예 4 | 15.2 | 15.1 | 12.1 | 2,983 | 2,854 |
| 실시예 5 | 14.2 | 11.4 | 11.0 | 3,054 | 2,985 |
| 실시예 6 | 17.4 | 19.8 | 20.1 | 3,057 | 2,894 |
| 실시예 7 | 15.1 | 15.9 | 16.4 | 3,091 | 2,892 |
| 실시예 8 | 15.6 | 15.4 | 14.9 | 3,034 | 2,877 |
| 비교예 1 | 16.8 | 23.5 | 31.8 | 3,055 | 2,104 |
Claims (10)
- 유기 금속 화합물, 유기 알루미늄 화합물, 불소계 화합물 및 디페닐아민계 화합물을 포함하는 촉매 조성물의 존재 하에, 공액디엔계 단량체를 중합하여 분지형 공액디엔계 중합체를 제조하는 단계(S10); 및상기 (S10) 단계의 중합 전 단량체, 중합 중 중합 용액, 또는 중합 후 분지형 공액디엔계 중합체와, t-부틸페놀기를 포함하는 화합물을 혼합하는 단계(S20)를 포함하는 중합체 조성물 제조방법.
- 제1항에 있어서,상기 유기 금속 화합물은 유기 니켈 화합물인 중합체 조성물 제조방법.
- 제1항에 있어서,상기 유기 금속 화합물은 니켈 벤조에이트, 니켈 아세테이트, 니켈 나프테네이트, 니켈 옥타노에이트, 니켈 네오데카노에이트, 비스(α-퓨릴 다이옥심) 니켈, 니켈 팔미테이트, 니켈 스테아레이트, 니켈 아세틸아세토네이트, 니켈 살리칼데이드, 비스(사이클로펜타다이엔) 니켈, 비스(살리실알데하이드) 에틸렌 다이이민 니켈, 사이클로펜타다이에닐-니켈 나이트로실, 비스(π-알릴 니켈), 비스(π-사이클로옥타-1,5-다이엔)니켈, 비스(π-알릴 니켈 트라이플루오로아세테이트) 및 니켈 테트라카보닐로 이루어진 군으로부터 선택된 1종 이상인 것인 중합체 조성물 제조방법.
- 제1항에 있어서,상기 유기 알루미늄 화합물은 하기 화학식 1로 표시되는 알킬 알루미늄 화합물인 것인 중합체 조성물 제조방법:[화학식 1]AlR1R2R3상기 화학식 1에서,R1 내지 R3은 각각 독립적으로 수소 또는 탄소수 1 내지 12의 알킬기이되, R1 내지 R3이 모두 수소는 아니다.
- 제1항에 있어서,상기 불소계 화합물은 불화수소 및 삼불화붕소로 이루어진 군으로부터 선택된 1종 이상인 것인 중합체 조성물 제조방법.
- 제1항에 있어서,상기 t-부틸페놀기를 포함하는 화합물은 t-부틸카테콜, 부티레이티드 히드록시톨루엔 또는 이들의 혼합물인 것인 중합체 조성물 제조방법.
- 제1항에 있어서,상기 (S20) 단계에서 t-부틸페놀기를 포함하는 화합물은 공액디엔계 단량체 또는 상기 분지형 공액디엔계 중합체 100 중량부에 대하여, 0.0001 중량부 내지 0.005 중량부의 함량으로 혼합되는 것인 중합체 조성물 제조방법.
- 금속 촉매화된 분지형 공액디엔계 중합체 및 t-부틸페놀기를 포함하는 화합물을 포함하는 중합체 조성물.
- 제9항에 있어서,상기 t-부틸페놀기를 포함하는 화합물의 함량은 상기 금속 촉매화된 분지형 공액디엔계 중합체 100 중량부에 대하여, 0.0001 중량부 내지 0.005 중량부인 중합체 조성물.
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| JP2024573392A JP2025521455A (ja) | 2022-07-04 | 2023-02-15 | 重合体組成物の製造方法および重合体組成物 |
| EP23835634.9A EP4553092A4 (en) | 2022-07-04 | 2023-02-15 | PROCESS FOR PREPARING A POLYMER COMPOSITION AND POLYMER COMPOSITION |
| US18/861,666 US20250297041A1 (en) | 2022-07-04 | 2023-02-15 | Polymer Composition Preparation Method and Polymer Composition |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3006888A (en) * | 1958-02-03 | 1961-10-31 | Shell Oil Co | Stabilized diene polymers with para-tert-alkyl catechol |
| US5451646A (en) | 1994-12-05 | 1995-09-19 | The Goodyear Tire & Rubber Company | Technique for reducing the molecular weight and improving the processability of cis-1,4-polybutadiene |
| US5859156A (en) * | 1995-08-31 | 1999-01-12 | The Goodyear Tire & Rubber Company | Vapor phase synthesis of rubbery polymers |
| US7081504B2 (en) | 2004-08-30 | 2006-07-25 | The Goodyear Tire & Rubber Company | Synthesis of 1,4-polybutadiene |
| KR20100065559A (ko) * | 2008-12-08 | 2010-06-17 | 주식회사 엘지화학 | 저분자량의 시스-1,4-폴리부타디엔의 제조방법 |
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| KR20150135913A (ko) * | 2014-05-26 | 2015-12-04 | 주식회사 엘지화학 | 변성 개질된 공액 디엔계 중합체의 제조방법 |
| JP7212162B2 (ja) * | 2018-11-23 | 2023-01-24 | パブリック・ジョイント・ストック・カンパニー・“シブール・ホールディング” | ポリマー組成物及びその調製方法 |
| KR102421536B1 (ko) * | 2019-07-15 | 2022-07-15 | 주식회사 엘지화학 | 변성 공액디엔계 중합체, 이의 제조방법 및 이를 포함하는 고무 조성물 |
-
2023
- 2023-02-15 KR KR1020230020021A patent/KR20240004094A/ko active Pending
- 2023-02-15 WO PCT/KR2023/002203 patent/WO2024010164A1/ko not_active Ceased
- 2023-02-15 EP EP23835634.9A patent/EP4553092A4/en active Pending
- 2023-02-15 JP JP2024573392A patent/JP2025521455A/ja active Pending
- 2023-02-15 US US18/861,666 patent/US20250297041A1/en active Pending
- 2023-02-15 CN CN202380036855.7A patent/CN119095887A/zh active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3006888A (en) * | 1958-02-03 | 1961-10-31 | Shell Oil Co | Stabilized diene polymers with para-tert-alkyl catechol |
| US5451646A (en) | 1994-12-05 | 1995-09-19 | The Goodyear Tire & Rubber Company | Technique for reducing the molecular weight and improving the processability of cis-1,4-polybutadiene |
| US5859156A (en) * | 1995-08-31 | 1999-01-12 | The Goodyear Tire & Rubber Company | Vapor phase synthesis of rubbery polymers |
| US7081504B2 (en) | 2004-08-30 | 2006-07-25 | The Goodyear Tire & Rubber Company | Synthesis of 1,4-polybutadiene |
| KR20100065559A (ko) * | 2008-12-08 | 2010-06-17 | 주식회사 엘지화학 | 저분자량의 시스-1,4-폴리부타디엔의 제조방법 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP4553092A4 |
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| US20250297041A1 (en) | 2025-09-25 |
| JP2025521455A (ja) | 2025-07-10 |
| KR20240004094A (ko) | 2024-01-11 |
| CN119095887A (zh) | 2024-12-06 |
| EP4553092A1 (en) | 2025-05-14 |
| EP4553092A4 (en) | 2025-10-08 |
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