WO2004087802A1 - 変性共役ジエン系重合体を用いたゴム組成物及びタイヤ - Google Patents
変性共役ジエン系重合体を用いたゴム組成物及びタイヤ Download PDFInfo
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- WO2004087802A1 WO2004087802A1 PCT/JP2004/003760 JP2004003760W WO2004087802A1 WO 2004087802 A1 WO2004087802 A1 WO 2004087802A1 JP 2004003760 W JP2004003760 W JP 2004003760W WO 2004087802 A1 WO2004087802 A1 WO 2004087802A1
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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
- C08K5/01—Hydrocarbons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L19/00—Compositions of rubbers not provided for in groups C08L7/00 - C08L17/00
- C08L19/006—Rubber characterised by functional groups, e.g. telechelic diene polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L7/00—Compositions of natural rubber
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
Definitions
- the present invention relates to a rubber composition and a tire using a modified conjugated gen-based polymer. More specifically, the present invention provides a modified conjugated polymer having enhanced interaction with carbon black, good abrasion resistance, and particularly excellent low heat build-up (low hysteresis loss' I production). The present invention relates to a rubber composition used and a heavy duty tire to which the rubber composition is applied. Background art
- carbon black has been frequently used as a filler for rubber reinforcement. This is because carbon black can provide higher reinforcement and better wear resistance than other fillers.
- carbon black can provide higher reinforcement and better wear resistance than other fillers.
- demands for lower fuel consumption of automobiles and lower heat generation of rubber compositions for tires have been increasing.
- hydrous silica acid (wet silica) is known (for example, JP-A-3-252431, JP-A-6-2481). No. 16, JP-A-7-70369, JP-A-8-245838, JP-A-8-337687), and many researches and developments have been made.
- silica tends to agglomerate due to hydrogen bonding of silanol groups, which are surface functional groups, to improve the dispersion of silica particles in rubber. It is necessary to lengthen the kneading time.
- the rubber composition had a disadvantage that the Mooney viscosity of the rubber composition was high due to insufficient dispersion of the silica particles in the rubber, resulting in poor processability such as extrusion.
- the surface of the silica particles is acidic, it has a drawback that it absorbs a basic substance used as a vulcanization accelerator, does not sufficiently vulcanize the rubber composition, and does not increase the elastic modulus.
- a method in which carbon black is used as a reinforcing filler and the polymerization active end is modified with a tin compound such as tin tetrachloride see, for example, Japanese Patent Publication No. 5-870530.
- a method of modifying both ends of the polymerization active with a tin compound for example, see Japanese Patent Application Laid-Open No. 6-49279, and a method of introducing an amino group into the polymerization active end similarly using carbon black (For example, JP-A-62-207324, JP-A-6-199923, JP-A-8-231658, JP-A-8-22 No. 56004).
- the present invention provides a rubber composition having enhanced interaction with carbon black, excellent abrasion resistance, and particularly excellent low heat build-up (low hysteresis loss). It is an object of the present invention to provide a rubber composition and tire having the above-mentioned properties using a conjugated gen-based polymer, and in particular, a tire for heavy load.
- the present inventors have conducted intensive studies to achieve the above object, and as a result, the rubber composition has at least one functional group consisting of a specific amino group and a tin-carbon bond at the molecular terminal or in the molecular terminal.
- the purpose was achieved by blending a multifunctional conjugated polymer, especially a multifunctional low cis-polybutadiene rubber, and a high-quality carbon black as a filler to reduce the PCA content derived from the softener. I found that I got it. The present invention has been completed based on such findings.
- R 2 represents an alkylene having 3 to 16 methylene groups, substituted alkylene, oxy or N-alkylamino monoalkylene group.
- PCA polycyclic aromatic compound
- the binding amount of the vinyl aromatic compound as the copolymer component is 10% by mass.
- R 2 in the formula [II] is tetramethylene, hexamethylene,
- Q is a solubilizing component selected from the group consisting of hydrocarbons, ethers, amines or mixtures thereof, and AM is General formula [I]
- the above monomer is polymerized to obtain the conjugated gen-based polymer according to the above (1) to ( 9) a rubber composition;
- the rubber composition of the present invention comprises (A) a compound represented by the general formula [I]:
- each 1 ⁇ independently represents an alkyl, cycloalkyl or aralkyl group having 1 to 12 carbon atoms.
- R 2 represents an alkylene having 3 to 16 methylene groups, a substituted alkylene, an oxy- or N-alkylamino-alkylene group.
- PCA polycyclic aromatic compound
- the substituted amino group represented by the formula [I], which is a functional group of the conjugated gen-based polymer used in the rubber composition of the present invention, is an alkyl group, a group having 1 to 12 carbon atoms, cycloalkyl or There is no particular limitation as long as it is an aralkyl group, but preferred examples include methyl, ethyl, butyl, octinole, cyclohexyl, 3-phenyl-1-propyl, and disobutyl. Each 1 ⁇ in equation [I] may be the same or different.
- cyclic amino group represented by the formula [II] is a functional group of the conjugated diene polymer used in the rubber composition of the present invention, R 2 groups in formula, the 1 6 methylene groups from 3
- the divalent alkylene, substituted alkylene, oxymono or N-alkylamino-alkylene group is not particularly limited.
- the substituted alkylenes include alkylenes mono- to octa-substituted.
- Preferred substituents are linear or branched alkyl having 1 to about 12 carbon atoms, cycloalkyl, bicycloalkyl, aryl and aralkyl.
- Preferred R 2 groups include trimethylene, tetramethylene, hexamethylene, oxydiethylene, N-alkylazadiethylene, dodecamethylene and hexadecamethylene. .
- cyclic amines including and aralkyl substituted, including, but not limited to, 2- (2-ethylhexyl) pyrrolidine; 3- (2-propyl) pyrrolidine; 3,5-I-bis (2-ethylhexyl) piperidine; 4-phenylbiperidine; 7-decyl-1-azacyclotridecane; 3,3-dimethyl-1-1-azacyclotetradecane; 4-dodecyl-1 1-azacyclooctane; 4- (2-pheninolebutinole)-1-azacinium octane; 3-ethyl-5-six hexyl 1-azakhine-heptane; 1-Azashik mouth heptadecane; 2-Methyl-l-Azashik mouth heptadecane; 2-Methyl-l-Azashik mouth hepta
- a conjugated diene polymer containing a polymer chain having at least one functional group selected from the group consisting of disubstituted amino groups and cyclic amino groups (hereinafter, may be referred to as a modified conjugated diene polymer)
- a modified conjugated diene polymer Must be incorporated in the rubber component of the rubber composition of the present invention in an amount of 10% by mass or more.
- Excellent low heat build-up can be obtained by incorporating 10% by mass of the modified conjugated gen-based polymer.
- it is 20 to 8'0% by mass, more preferably 30 to 65% by mass.
- Examples of the conjugated diene monomer of the modified conjugated diene polymer include .1,3-butadiene, isoprene, 1,3-pentadiene, and 2,3- Examples thereof include 3_butadiene and 1,3-hexadiene, and 1,3-butadiene is particularly preferable.
- Examples of the butyl aromatic compound monomer which is a copolymer component include styrene, alpha methyl styrene, p-methyl styrene, bierto phenol, and butyl naphthalene, and styrene is particularly preferable.
- the modified conjugated gen-based polymer may be a copolymer of conjugated gen and a vinyl aromatic compound or a homopolymer of conjugated gen, and polybutadiene, which is a conjugated gen homopolymer, is most preferable.
- a styrene-butadiene copolymer is preferred, and the styrene content in the copolymer is preferably 10% by mass or less.
- the polybutadiene portion of the modified copolyene polymer has a Bull bond amount of 25% or less, preferably 16% or less.
- the rubber composition of the present invention having good abrasion resistance and excellent low heat buildup can be obtained. it can.
- the glass transition temperature of the modified gen-based copolymer is preferably 150 ° C. or lower.
- a method for introducing at least one functional group selected from the group consisting of a disubstituted amino group and a cyclic amino group into a conjugated gen-based polymer for example, 2- A method in which an organic group having a hydroxy-1,3-propylene group is bonded via at least one nitrogen atom in a cyclic amino group (Japanese Patent Application Laid-Open No. 2001-131227)
- 2- A method in which an organic group having a hydroxy-1,3-propylene group is bonded via at least one nitrogen atom in a cyclic amino group
- (D) a solution of one or more anionic polymerizable monomers mainly composed of 1,3-butadiene in a hydrocarbon solvent is formed, and a general formula (AM) Li i (Q) y [wherein , Y is 0 or about 0.5 to about 3, Q is a solubilizing component selected from the group consisting of hydrocarbons, ethers, amines or mixtures thereof; M is the general formula [I]
- R 2 is the same as above.
- the modified conjugated diene polymer can be obtained by polymerizing the above monomer using a lithioamine represented by the following formula or a mixture of the (D) and (E) organic alkali metal compounds as a polymerization initiator.
- the lithioamine (D) is represented by the general formula (AM) L i (Q) y
- Q is a solubilizing component
- (AM) is a substituted amino group or a cyclic amino group
- y is 0 or 0.5-3.
- the above (Q) is a solubilizing component, which may be a hydrocarbon, an ether, an amine or a mixture thereof.
- the presence of the component (Q) makes the initiator soluble in the hydrocarbon solvent. .
- the (Q) group also includes genyl or Bier aromatic polymers or copolymers having a degree of polymerization of from 3 to about 300 polymerized units. Such polymers include polybutadiene, polystyrene, polyisoprene and their copolymers. Other examples of (Q) include polar ligands, such as tetrahydrofuran (THF) and tetramethylethylenediamine (Meda).
- THF tetrahydrofuran
- Meda tetramethylethylenediamine
- the (AM) component represents an amino functional group, for example, by incorporating at least one functional group at the end by incorporation into the starting site or head of the polymer. Limers are synthesized.
- a solution of the functionalizing agent AM-H is prepared in the presence of (Q) in an anhydrous non-proton solvent such as cyclohexane.
- the initiator can then be formed by adding an organolithium compound in the same or similar solvent to the solution.
- the organolithium compound has the general formula RL i, wherein R is an alkyl having 1 to about 20 carbon atoms, a cycloalkyl, an arcel, an aryl and an aralkyl, and a diolefin and a biaryl monomer. Obtained from the group consisting of short chain, low molecular weight polymers having up to 25 units).
- representative alkyls include n-butynole, s-butyl, methyl, ethyl, isopropyl, and the like.
- Preferred examples of cycloalkyl include cyclohexylene and menthyl, and examples of alkenyl include aryl, butyl and the like.
- aryl and aralkyl groups include fuel, benzyl, and oligo (styryl), and short-chain polymers can be formed by initiating oligomerization of the appropriate monomer with organolithium.
- An in situ method (the method described in JP-A-6-199921) is also suitably used.
- As the organic lithium compound n-ptinolelithium is preferable.
- the organic alkali metal compound (E) optionally used as an initiator is preferably a compound represented by the following general formula: R 4 M, R 5 OM, R 6 C (O) OM, R 7 R 8 NM and R 9 S It is selected from the group consisting of Table the compounds in ⁇ 3 M, wherein each of R 4, R 5, R 6 , R 7, R 8 and Rg has about 1 to about 1 2 carbon atoms It is selected from the group consisting of alkyl, cycloalkyl, alkenyl, aryl and fuel.
- the metal component M is selected from the group consisting of Na, K :, Rb, and Cs.
- M is N a Or K.
- the initiator mixture preferably contains the organic alkali metal compound ( ⁇ ) in a mixing ratio of about 0.5 to about 0.02 equivalents per equivalent of lithium in the lithioamine initiator. You can also.
- the ( ⁇ ) is suitably used particularly when a target polymer having a high styrene content is obtained.
- chelating agents can be used in the initiator mixture as an aid to prevent non-uniform polymerization.
- Useful chelating agents include, for example, tetramethylethylenediamine (TMEDA), oxolanyl cyclic acetals, and cyclic oxomeryl oxolanyl alkanes. Particularly preferred are cyclic oxomeryl oxolanyl alkanes, and specific examples include 2,2-bis (tetrahydrofuryl) propane.
- the conjugated diene monomer of the modified conjugated diene polymer used in the rubber composition of the present invention includes 1,3-butadiene, isoprene, 1,3-pentadiene, 2,3-dimethyl-1,3-butadiene and 1-butadiene.
- aromatic vinyl monomers include styrene, alpha methyl styrene, p-methyl styrene, vinyl toluene, and vinyl naphthalene.
- polybutadiene is most preferable, and when the modified conjugated diene polymer is a styrene-butadiene copolymer, the preferred mass ratio of styrene / 1,3-butadiene monomer is 10 The range is from 900/0 to 100/100.
- polymerization solvent for example, various hexanes, heptanes, octanes, and mixtures thereof are used.
- the conjugated gen-based polymer has at least one functional group consisting of an amino group, and has at least one functional group derived from a coupling agent (R 3 ) a ZX b. It is preferred to have some kind of tin-carbon bond or silicon-carbon bond.
- Z is tin or silicon, and it is preferable that Z is tin.
- R 3 is alkyl having 1 to 20 carbon atoms, cycloalkyl having 3 to 20 carbon atoms, aryl having 6 to 20 carbon atoms, or 7 to 20 carbon atoms It is an aralkyl having an atom.
- R 3 includes methyl, ethylenole, n-butynole, neofinole, cyclohexynole, n-octynole, 2-ethynolehexyl, and the like.
- Preferred force coupling agent tin tetrachloride, (R 3) S n C 1 3, (R 3) 2 S n C 1 2, is like (R 3) 3 S n C 1, Yonshioi ⁇ Tin is particularly preferred.
- Preferred denaturing agents include carbodiimides, N-methylpyrrolidinone, cyclic amides, cyclic ureas, isocyanates and Schiff bases, 4,4,1-bis (getylamino) benzophenone, and the like.
- One suitable modified gen-based polymer used in the rubber composition of the present invention is a polymer containing at least one functional group AM, wherein AM is a reaction between an amine and an organolithium compound. Derived from the product. Further, a preferred modified gen-based polymer is a polymer which exhibits polyfunctionality in that the polymer also has a tin-carbon bond, such as a terminator, a coupling agent or a linking agent. The agent can be derived from a denaturing agent.
- the vessel is stirred for about 1 to about 100 minutes, so that the polymer can have a tin-carbon bond.
- a modified gen-based polymer exhibiting even greater affinity for carbon black as a reinforcing filler, improving the dispersibility of carbon black, and exhibiting excellent low heat build-up can be obtained.
- carbon black as the component (B) has a nitrogen adsorption specific surface area (N 2 SA) of 70 m 2 / g or more.
- N 2 SA nitrogen adsorption specific surface area
- HAF N 2 SA: 83 m 2 / g
- I SAF N 2 SA: 111 m 2 / g
- SAF SAF
- SAF SAF
- the amount of the polycyclic aromatic compound (PCA) as the component (C) must be 1.0 part by mass or less based on 100 parts by mass of the rubber component of the rubber composition of the present invention. Preferably it is 0.5 parts by mass or less, most preferably 0 parts by mass.
- the amount of the softener is preferably 15 parts by mass or less, more preferably 0 to 10 parts by mass, per 100 parts by mass of the rubber component.
- the rubber composition of the present invention requires a high balance between low heat build-up and abrasion resistance.
- strong reinforcing properties for example, carbon of ISAF and SAF class are used. It is preferable to use, but the smaller the particle size of carbon black, the more difficult it is to disperse it uniformly.
- the rubber composition of the present invention comprises a functional group consisting of an amino group at the terminal of the polymer, and a tin-carbon bond different from the amino group during or at the molecular chain of the polymer.
- the polycyclic aromatic compound (PCA) contained in the softener acts as a radical trapping agent during the kneading of the rubber composition, and disperses the dispersion in order to mask the active site composed of the functional group. May be impaired. Therefore, it is preferable that the amount of polycyclic aromatic compound (PCA) in the softener is as small as possible.
- a secondary treatment such as a selective solvent extraction method or a hydrogenation method is performed.
- a softening agent having a low PCA component is used to obtain a rubber composition having excellent low heat generation and high abrasion resistance without impairing the dispersion of carbon black. Obtainable.
- the rubber composition of the present invention as another rubber component of the rubber component containing the modified diene-based polymer preferably contains a natural rubber and / or polyisoprene rubber 2 0 mass 0/0 than on. More preferably, it is at least 40% by mass.
- Natural rubber is preferred from the viewpoint of performance balance. Furthermore, in the blend system of modified polybutadiene rubber and natural rubber, the effect of improving the dispersion of carbon black is more remarkably exhibited because a large amount of carbon black is distributed in the modified polyptogene.
- rubber components such as styrene butadiene rubber, polybutadiene rubber, acrylonitrile / butadiene rubber, octaprene rubber and butyl rubber are added to the rubber composition within a range that does not impair the effects of the rubber composition of the present invention. These may be used alone or in combination of two or more.
- the rubber composition used for the tire of the present invention may optionally contain other rubber additives such as sulfur, a vulcanization accelerator, an antioxidant and the like.
- the acetone-chloroform extractables after vulcanization of the rubber composition of the present invention is preferably 20% by mass or less based on the mass of the vulcanized rubber composition.
- the rubber composition of the present invention is obtained by kneading using a kneading machine such as a roll or an internal mixer.
- a tire tread portion (cap tread and / or under tread) is used.
- the tire of the present invention is manufactured by a usual method using a rubber composition. That is, if necessary, the rubber composition containing various chemicals as described above is extruded into each tire member at an unvulcanized stage, and is pasted on a tire molding machine by a normal method. The green tire is molded. The green tire is heated and pressurized in a vulcanizer to obtain a tire.
- the tire of the present invention thus obtained is excellent in heat build-up and can significantly improve wear resistance.
- the tire of the present invention can be used by filling the inside thereof with a gas such as air or nitrogen.
- Ta ⁇ at 50 ° C was measured using Ares manufactured by RHEOMETRICS. The index is shown when the control rubber composition is set to 100. The smaller the numerical value, the lower the Ta ⁇ (lower heat generation).
- Comparative Example 1 was used in Table 2
- Comparative Example 4 was used in Table 3
- Comparative Example 8 was used in Table 4
- Comparative Example 9 was used in Table 5.
- the evaluation results are shown in Tables 2 to 5.
- Abrasion resistance [(weight loss of control rubber composition test specimen) / (weight loss of test specimen)] X 100
- Anti-aging agent 6 C N— (1,3-dimethylbutynole) -1-N′-phenyl-1-p—phenylenediamine
- Accelerator CZ N-hexyl hexyl 2-benzothiazyl sulfenamide Note) Carbon black, softener, stearic acid, anti-aging agent, zinc white, accelerator and sulfur in Table 2 The numerical values in each column are parts by mass relative to 100 parts by mass of the rubber component. Comparative Examples 1-3 and Examples 1-2
- a low cis-polybutadiene rubber having at least one specific amino group functional group (Example 1), a specific amino group functional group and tin-carbon Abrasion resistance compared to unmodified low cis-polybutadiene rubber by blending polyfunctional low cis-polybutadiene rubber (Example 2) with a polyfunctional low cis-polybutadiene rubber having a bond at the molecular end or in the chain and a filler.
- the low heat build-up was greatly improved, and the effect of Example 2 was particularly excellent.
- the rubber composition of the present invention is a multifunctional modified polybutadiene having a functional group consisting of an amino group at the terminal of a polymer, and a tin-carbon bond different from the amino group in the molecular chain or at the terminal of the polymer.
- a functional group consisting of an amino group at the terminal of a polymer, and a tin-carbon bond different from the amino group in the molecular chain or at the terminal of the polymer.
Abstract
Description
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Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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CN200480010510.1A CN1777641B (zh) | 2003-03-28 | 2004-03-19 | 包含改性共轭二烯聚合物的橡胶组合物和轮胎 |
JP2005504164A JP5066338B2 (ja) | 2003-03-28 | 2004-03-19 | 変性共役ジエン系重合体を用いたゴム組成物及びタイヤ |
EP04722046A EP1612240B1 (en) | 2003-03-28 | 2004-03-19 | Rubber composition containing modified conjugated diene polymer and tire |
DE602004030550T DE602004030550D1 (de) | 2003-03-28 | 2004-03-19 | Modifiziertes polymer auf basis von konjugierten dienen enthaltende kautschukzusammensetzung und reifen |
US10/550,554 US7718728B2 (en) | 2003-03-28 | 2004-03-19 | Rubber composition containing modified conjugated diene polymer and tire |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2003-090119 | 2003-03-28 | ||
JP2003090119 | 2003-03-28 |
Publications (1)
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WO2004087802A1 true WO2004087802A1 (ja) | 2004-10-14 |
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PCT/JP2004/003760 WO2004087802A1 (ja) | 2003-03-28 | 2004-03-19 | 変性共役ジエン系重合体を用いたゴム組成物及びタイヤ |
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US (1) | US7718728B2 (ja) |
EP (1) | EP1612240B1 (ja) |
JP (1) | JP5066338B2 (ja) |
CN (1) | CN1777641B (ja) |
DE (1) | DE602004030550D1 (ja) |
ES (1) | ES2357400T3 (ja) |
WO (1) | WO2004087802A1 (ja) |
Cited By (6)
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JP2007177139A (ja) * | 2005-12-28 | 2007-07-12 | Bridgestone Corp | 変性共役ジエン系重合体を用いたゴム組成物及び空気入りタイヤ |
US7868081B2 (en) | 2005-03-04 | 2011-01-11 | Bridgestone Corporation | Rubber composition and tire using same |
CN101087840B (zh) * | 2004-12-22 | 2011-05-04 | 株式会社普利司通 | 橡胶组合物、其制造方法以及轮胎 |
CN101160353B (zh) * | 2005-03-04 | 2011-05-11 | 株式会社普利司通 | 橡胶组合物以及使用该橡胶组合物的轮胎 |
US8426513B2 (en) | 2005-09-15 | 2013-04-23 | Bridgestone Corporation | Rubber composition and tire using the same |
WO2016092755A1 (ja) | 2014-12-12 | 2016-06-16 | 株式会社ブリヂストン | タイヤ |
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JPWO2008047582A1 (ja) * | 2006-09-29 | 2010-02-25 | 株式会社ブリヂストン | サイドゴム用ゴム組成物及びそれを用いた重荷重用空気入りラジアルタイヤ |
KR101114857B1 (ko) * | 2008-12-23 | 2012-03-06 | 한국타이어 주식회사 | 타이어 트레드용 고무 조성물 |
JP5120522B2 (ja) * | 2010-11-29 | 2013-01-16 | Jsr株式会社 | 電池用バインダー組成物、電池電極用スラリー、固体電解質組成物、電極及び全固体型電池 |
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KR102034454B1 (ko) * | 2017-01-04 | 2019-10-21 | 주식회사 엘지화학 | 중합개시제 조성물, 이의 제조방법 및 이를 이용한 중합체의 제조방법 |
CN115160656B (zh) * | 2022-07-27 | 2023-09-26 | 中策橡胶集团股份有限公司 | 一种降低轮胎滚阻的胎体橡胶组合物、混炼方法、应用和轮胎 |
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- 2004-03-19 US US10/550,554 patent/US7718728B2/en active Active
- 2004-03-19 EP EP04722046A patent/EP1612240B1/en not_active Expired - Lifetime
- 2004-03-19 DE DE602004030550T patent/DE602004030550D1/de not_active Expired - Lifetime
- 2004-03-19 WO PCT/JP2004/003760 patent/WO2004087802A1/ja active Application Filing
- 2004-03-19 ES ES04722046T patent/ES2357400T3/es not_active Expired - Lifetime
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101087840B (zh) * | 2004-12-22 | 2011-05-04 | 株式会社普利司通 | 橡胶组合物、其制造方法以及轮胎 |
US7868081B2 (en) | 2005-03-04 | 2011-01-11 | Bridgestone Corporation | Rubber composition and tire using same |
CN101160353B (zh) * | 2005-03-04 | 2011-05-11 | 株式会社普利司通 | 橡胶组合物以及使用该橡胶组合物的轮胎 |
US8426513B2 (en) | 2005-09-15 | 2013-04-23 | Bridgestone Corporation | Rubber composition and tire using the same |
CN105111553A (zh) * | 2005-09-15 | 2015-12-02 | 株式会社普利司通 | 橡胶组合物以及使用其的轮胎 |
JP2007177139A (ja) * | 2005-12-28 | 2007-07-12 | Bridgestone Corp | 変性共役ジエン系重合体を用いたゴム組成物及び空気入りタイヤ |
WO2016092755A1 (ja) | 2014-12-12 | 2016-06-16 | 株式会社ブリヂストン | タイヤ |
Also Published As
Publication number | Publication date |
---|---|
CN1777641A (zh) | 2006-05-24 |
EP1612240A4 (en) | 2009-07-01 |
US20060217470A1 (en) | 2006-09-28 |
ES2357400T3 (es) | 2011-04-26 |
EP1612240B1 (en) | 2010-12-15 |
EP1612240A1 (en) | 2006-01-04 |
DE602004030550D1 (de) | 2011-01-27 |
US7718728B2 (en) | 2010-05-18 |
JP5066338B2 (ja) | 2012-11-07 |
JPWO2004087802A1 (ja) | 2006-06-29 |
CN1777641B (zh) | 2012-11-14 |
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