WO2022177017A1 - Composition de caoutchouc, pneumatique, et additif pour pneumatique - Google Patents

Composition de caoutchouc, pneumatique, et additif pour pneumatique Download PDF

Info

Publication number
WO2022177017A1
WO2022177017A1 PCT/JP2022/007065 JP2022007065W WO2022177017A1 WO 2022177017 A1 WO2022177017 A1 WO 2022177017A1 JP 2022007065 W JP2022007065 W JP 2022007065W WO 2022177017 A1 WO2022177017 A1 WO 2022177017A1
Authority
WO
WIPO (PCT)
Prior art keywords
weight
parts
rubber
rubber composition
metal salt
Prior art date
Application number
PCT/JP2022/007065
Other languages
English (en)
Japanese (ja)
Inventor
洋 黒川
Original Assignee
株式会社Moresco
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社Moresco filed Critical 株式会社Moresco
Publication of WO2022177017A1 publication Critical patent/WO2022177017A1/fr

Links

Classifications

    • 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
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/36—Silica
    • 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
    • C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
    • C08K5/41—Compounds containing sulfur bound to oxygen
    • C08K5/42—Sulfonic acids; Derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons

Definitions

  • the present invention relates to rubber compositions, tires, and tire additives.
  • Patent Document 1 discloses a rubber composition containing a rubber component, a white filler containing silica, a silane coupling agent, and a compound such as monoalkanolamide in order to improve the dispersibility of silica in the rubber composition. is disclosed.
  • An object of one aspect of the present invention is to provide a rubber composition and a tire in which rolling resistance is reduced while maintaining grip on wet road surfaces, and a tire additive capable of realizing these.
  • the inventors diligently studied to solve the above problems. As a result, by blending the alkylarylsulfonic acid metal salt in addition to the rubber component, silica, and silane coupling agent, it is possible to reduce the rolling resistance while maintaining the grip on wet road surfaces of the resulting rubber composition. found that it can be done, and came to complete the present invention.
  • one embodiment of the present invention includes the following configurations.
  • [1] (a) a rubber component containing at least one selected from a diene-based synthetic rubber and a natural rubber, (b) silica, (c) an alkylarylsulfonic acid metal salt, and (d) a silane coupling agent wherein the content of (b) silica is 20 to 120 parts by weight per 100 parts by weight of the (a) rubber component.
  • a rubber composition and a tire in which rolling resistance is reduced while maintaining grip on wet road surfaces, and a tire additive capable of realizing these can be provided.
  • a rubber composition according to one embodiment of the present invention comprises (a) a rubber component containing at least one selected from diene-based synthetic rubbers and natural rubbers, (b) silica, and (c) a metal alkylarylsulfonate. It contains a salt and (d) a silane coupling agent.
  • the rubber component includes at least one selected from diene-based synthetic rubber and natural rubber.
  • diene-based synthetic rubber examples include polyisoprene rubber (IR), polybutadiene rubber (BR), styrene-butadiene copolymer rubber (SBR), butyl rubber (IIR), ethylene-propylene copolymer rubber (EPR, EPDM), Styrene-isoprene-butadiene copolymer rubber (SIBR), acrylonitrile-butadiene copolymer rubber (NBR), chloroprene rubber (CR), acrylic rubber (ACR), urethane rubber (PUR) and the like.
  • IR polyisoprene rubber
  • BR polybutadiene rubber
  • SBR styrene-butadiene copolymer rubber
  • IIR butyl rubber
  • EPR ethylene-propylene copolymer rubber
  • SIBR Styrene-isoprene-butadiene copoly
  • the silica is not particularly limited, and those used in ordinary rubber compositions can be used, including wet silica (hydrous silicic acid), dry silica (anhydrous silicic acid), colloidal silica, and precipitated silica. etc. can be used.
  • the silica content is 20 to 120 parts by weight with respect to 100 parts by weight of the rubber component. When the silica content is 20 parts by weight or more relative to 100 parts by weight of the rubber component, the wet grip property is good, and when it is 120 parts by weight or less, the abrasion resistance is good.
  • the content of the silica is preferably 40 parts by weight or more, more preferably 60 parts by weight or more, and preferably 110 parts by weight or less, relative to 100 parts by weight of the rubber component. The following are more preferable.
  • the alkylarylsulfonic acid metal salt is one or more compounds selected from synthetic alkylarylsulfonic acid metal salts and petroleum sulfonic acid metal salts.
  • the petroleum sulfonic acid is not particularly limited, but for example, a mixture of sulfonated hydrocarbons generally known as a reaction product of sulfuric acid and an aromatic component of lubricating oil produced during petroleum refining. can be
  • the alkylarylsulfonic acid includes the petroleum sulfonic acid derived from a petroleum distillate, a synthetic alkylarylsulfonic acid produced by sulfonating an alkylated aromatic compound, or the petroleum sulfonic acid and the synthetic alkylarylsulfonic acid. can be mentioned.
  • the alkylarylsulfonic acid is not particularly limited as long as it is a sulfonated alkylated aromatic compound.
  • the alkylated aromatic compound include alkylated aromatic compounds having a weight average molecular weight of 300 to 1,000, preferably 330 to 900, and even more preferably 350 to 800.
  • the alkyl groups of the alkylarylsulfonic acid may be linear, branched, cyclic, or combinations thereof.
  • the aromatic compound is also not particularly limited, and examples thereof include benzene, naphthalene, indane, biphenyl, and phenyl ether. Among them, the aromatic compound is more preferably benzene, naphthalene, phenyl ether, and the like, and more preferably benzene, naphthalene, and the like.
  • the weight-average molecular weight of the alkylated aromatic compound is the weight-average molecular weight in terms of standard polystyrene measured by gel permeation chromatography (GPC), and is measured under the following measurement conditions, for example.
  • GPC gel permeation chromatography
  • More specific examples of the alkylarylsulfonic acid include didodecylbenzenesulfonic acid, diundecylbenzenesulfonic acid, ditridecylbenzenesulfonic acid, ditetradecylbenzenesulfonic acid, and dinonylnaphthalenesulfonic acid. be able to.
  • the metal constituting the alkylarylsulfonic acid metal salt is not limited to this, but is more preferably, for example, an alkali metal or an alkaline earth metal.
  • examples of such metals include at least one metal selected from the group consisting of Li, Na, K, Mg, Ca, Sr, Ba, Zn, and the like. Among them, the metal is more preferably at least one metal selected from the group consisting of Na, Ca and Ba.
  • the alkylarylsulfonic acid metal salt is more preferably oil-soluble.
  • oil-soluble means that the compound dissolves in mineral oil at 25° C. in an amount of preferably 30% by weight or more, more preferably 60% by weight or more. Since the alkylarylsulfonic acid metal salt is oil-soluble, it is easily mixed with rubber, which is a dispersion medium, and the dispersibility of silica can be more suitably improved, which is preferable. Therefore, the effect of the present invention that the rolling resistance can be reduced while maintaining the grip properties of the obtained rubber composition on wet road surfaces can be obtained more preferably.
  • the weight average molecular weight of the alkylarylsulfonic acid group of the alkylarylsulfonic acid metal salt is preferably 380-1080, more preferably 410-980, and even more preferably 430-880.
  • the weight-average molecular weight of the metal salt of alkylarylsulfonate is 380 or more, the dispersibility of silica can be more suitably improved, which is preferable. Therefore, the effect of the present invention that the rolling resistance can be reduced while maintaining the grip properties of the resulting rubber composition on wet road surfaces can be achieved more favorably.
  • the weight average molecular weight of the alkylarylsulfonic acid metal salt is a value measured according to the standard test method for analysis of oil-soluble petroleum sulfonates according to ASTM D 3712:2005.
  • a commercially available product can also be used as the alkylarylsulfonic acid metal salt.
  • Metal salts of synthetic alkylarylsulfonic acids include, for example, MORESCO Amber SN-60 (manufactured by MORESCO Co., Ltd.), and metal salts of petroleum sulfonic acids include, for example, Throughhol (registered trademark) 500, Throughhole 600, CA-45N ( manufactured by MORESCO Corporation) and the like.
  • silane coupling agent examples include, but are not limited to, bis(3-triethoxysilylpropyl)tetrasulfide, bis(3-triethoxysilylpropyl)trisulfide, bis(3-triethoxysilyl) propyl) disulfide, bis(2-triethoxysilylethyl)tetrasulfide, bis(3-trimethoxysilylpropyl)tetrasulfide, bis(2-trimethoxysilylethyl)tetrasulfide, 3-mercaptopropyltrimethoxysilane, 3- Mercaptopropyltriethoxysilane, 2-mercaptoethyltrimethoxysilane, 2-mercaptoethyltriethoxysilane, 3-nitropropyltrimethoxysilane, 3-nitropropyltriethoxysilane, 3-chloropropyl
  • the (c) alkylarylsulfonic acid metal salt and the (d) silane coupling agent are contained in a total amount of preferably 1 to 20 parts by weight with respect to 100 parts by weight of silica (b).
  • the total content of (c) the alkylarylsulfonic acid metal salt and (d) the silane coupling agent is more preferably 3 parts by weight or more, more preferably 5 parts by weight or more, relative to 100 parts by weight of (b) silica. , more preferably 12 parts by weight or less, and still more preferably 10 parts by weight or less.
  • the (c) alkylarylsulfonic acid metal salt and the (d) silane coupling agent are contained in a total of 1 to 20 parts by weight with respect to 100 parts by weight of the (b) silica, It is preferable because it can reduce rolling resistance while maintaining wet grip properties.
  • the content of the (c) metal alkylarylsulfonate is intended to be the content of the metal alkylarylsulfonate as a solid content.
  • the weight ratio of (c) the alkylarylsulfonic acid metal salt and (d) the silane coupling agent is from the viewpoint that the rolling resistance can be more suitably reduced while maintaining the grip of the rubber composition on wet road surfaces. Therefore, the ratio is preferably 1:9 to 9:1, but is not limited thereto.
  • the weight ratio of (c) the alkylarylsulfonic acid metal salt and (d) the silane coupling agent is 1:9 to 7: from the viewpoint that a rubber composition having excellent wet grip properties and tensile stress can be obtained. 3 is more preferred. More preferably, the weight ratio of (c) the alkylarylsulfonic acid metal salt and (d) the silane coupling agent is 3:7 to 7:3.
  • the (c) alkylarylsulfonic acid metal salt is preferably 1 part by weight to 9 parts by weight, more preferably 1 part by weight to 7 parts by weight, and still more preferably 3 parts by weight to 100 parts by weight of silica (b). Contains 7 parts by weight.
  • the (d) silane coupling agent is preferably 1 part by weight to 9 parts by weight, more preferably 3 parts by weight to 9 parts by weight, still more preferably 3 parts by weight to 7 parts by weight, relative to 100 parts by weight of silica (b). part included.
  • the (c) alkylarylsulfonic acid metal salt is preferably 0.8 to 7.2 parts by weight, more preferably 0.8 to 5.6 parts by weight, per 100 parts by weight of the rubber component (a). Part is more preferred.
  • the (d) silane coupling agent is preferably 0.8 to 7.2 parts by weight, preferably 2.4 to 7.2 parts by weight, per 100 parts by weight of the rubber component (a). It is more preferable to have
  • the rubber composition according to one embodiment of the present invention includes softeners, waxes, processing aids, stearic acid, zinc oxide, anti-aging agents, vulcanizing agents, vulcanization accelerators, and resins. Oils, vulcanization retarders, etc. can be appropriately added.
  • Sulfur is preferably used as the vulcanizing agent, although it is not limited to this.
  • Sulfur includes powdered sulfur, oil treated sulfur, precipitated sulfur, colloidal sulfur, insoluble sulfur, highly dispersible sulfur and the like.
  • the vulcanizing agent is preferably blended in an amount of 0.1 to 5 parts by weight per 100 parts by weight of the rubber component.
  • vulcanization accelerator examples include sulfenamide-based, thiazole-based, thiuram-based, thiourea-based, guanidine-based, dithiocarbamic acid-based, aldehyde-amine-based or aldehyde-ammonia-based, imidazoline-based, or xanthate-based vulcanization accelerators. etc. One or more of these can be used.
  • the vulcanization accelerator is preferably blended in an amount of 1 to 8 parts by weight per 100 parts by weight of the rubber component.
  • the rubber composition according to one embodiment of the present invention includes, for example, the rubber component, the silica, the alkylarylsulfonic acid metal salt, the silane coupling agent, and, if necessary, the vulcanizing agent and A kneaded product obtained by kneading compounding agents other than the vulcanization accelerator may also be used. Alternatively, it may be a product obtained by blending the kneaded material with a vulcanizing agent and a vulcanization accelerator and vulcanizing the kneaded material.
  • the production of the rubber composition (product) includes, for example, first, the rubber component, the silica, the alkylarylsulfonic acid metal salt, and the silane coupling and, if necessary, compounding agents other than the vulcanizing agent and vulcanization accelerator are kneaded using an internal kneader such as an open roll mixer, a Banbury mixer, or a kneader.
  • an internal kneader such as an open roll mixer, a Banbury mixer, or a kneader.
  • a vulcanizing agent and a vulcanization accelerator are added to the resulting kneaded product, kneaded, molded, and vulcanized to obtain a rubber product.
  • the temperature at which each component is kneaded using the internal kneader is not particularly limited, it is, for example, 150 to 170°C.
  • the kneading time is also not particularly limited, but is, for example, 3 to 10 minutes.
  • the vulcanization temperature is not particularly limited, but is, for example, 150 to 200°C.
  • Vulcanization time is also not particularly limited, but is, for example, 10 to 30 minutes.
  • the rubber composition according to one embodiment of the present invention has low rolling resistance. This is believed to be due to the improved dispersibility of silica contained in the rubber composition.
  • the rolling resistance is low, so the fuel efficiency is improved.
  • wet grip properties and tire strength are also good.
  • the rubber composition (kneaded product) according to one embodiment of the present invention is used for tire members of pneumatic tires such as tire treads, undertreads, carcasses, sidewalls, and bead portions, belts such as conveyor belts, and anti-vibration rubbers. It can be suitably used for production. Among others, the rubber composition according to one embodiment of the present invention can reduce rolling resistance while maintaining wet grip properties, and therefore can be very suitably used for tire treads.
  • a tire additive according to one aspect of the present invention includes an alkylarylsulfonic acid metal salt.
  • a rubber composition obtained by blending the tire additive together with the rubber component, the silica, and the silane coupling agent has reduced rolling resistance while maintaining wet grip properties.
  • the alkylaryl sulfonic acid metal salt is the one described in [1. rubber composition], so the description is omitted here.
  • a tire according to one embodiment of the present invention may be a pneumatic tire and is manufactured by a conventional method using the rubber composition described above.
  • a tire according to one embodiment of the present invention is manufactured by, for example, extruding a rubber composition containing a vulcanizing agent and a vulcanization accelerator according to the shape of the tread, bonding it with other members on a tire molding machine, and molding it. It is produced by preparing an unvulcanized tire by heating and pressurizing it in a vulcanizer.
  • the manufactured tire has low rolling resistance, which improves fuel efficiency. It also has good wet grip properties and tire strength.
  • One embodiment of the present invention may have the following configuration. [1] (a) a rubber component containing at least one selected from a diene-based synthetic rubber and a natural rubber, (b) silica, (c) an alkylarylsulfonic acid metal salt, and (d) a silane coupling agent wherein the content of (b) silica is 20 to 120 parts by weight per 100 parts by weight of the (a) rubber component.
  • the above-mentioned (c) alkylarylsulfonic acid metal salt is at least one metal salt selected from the group consisting of Na, Ca, and Ba, according to any one of [1] to [4]. rubber composition.
  • a tire comprising the rubber composition according to any one of [1] to [6].
  • a tire additive containing an alkylarylsulfonic acid metal salt [8] A tire additive containing an alkylarylsulfonic acid metal salt.
  • 60°C tanD was measured according to the method described in JIS K6394 using a viscoelasticity measuring machine (manufactured by Ueshima Seisakusho Co., Ltd., "VR7120"). Measurement conditions and evaluation are as follows.
  • the 60° C. tanD of each test piece is indexed with the 60° C. tanD of Comparative Example 1 as 100 for easy comparison with Comparative Example 1 of each example.
  • 60°C tanD is an index of rolling resistance, and the smaller the value of 60°C tanD, the smaller the rolling resistance.
  • Measurement conditions ⁇ Vibration frequency: 10Hz ⁇ Vibration strain amplitude: 10 ⁇ 2% ⁇ Distance between chucks: 20 mm Evaluation ⁇ : Less than 90 ⁇ : 90 or more and less than 100 ⁇ : 100 or more and less than 110 ⁇ : 110 or more ⁇ wet grip>
  • the 0° C. tanD was measured on the test piece described above to evaluate the wet grip properties.
  • 0°C tanD was measured according to the method described in JIS K6394 using a viscoelasticity measuring machine (manufactured by Ueshima Seisakusho Co., Ltd., "VR7120"). Measurement conditions and evaluation are as follows.
  • the 0°C tanD of each test piece is represented by indexing the 0°C tanD of Comparative Example 1 as 100.
  • 0°C tanD is an index of wet grip performance, and the larger the numerical value of 0°C tanD, the higher the wet grip performance, that is, the shorter the braking stopping distance.
  • the tensile stress and elongation of each test piece are indexed with the tensile stress and elongation of Comparative Example 1 set to 100, respectively.
  • Tensile stress and elongation are indicators of the strength of a rubber composition.
  • the dynamic storage elastic modulus E1 was measured on the test piece for viscoelasticity measurement described above to evaluate the dispersibility of silica.
  • the dynamic storage modulus E1 was measured according to the method described in JIS K6394 using a viscoelasticity measuring machine (manufactured by Ueshima Seisakusho Co., Ltd., "VR7120").
  • the measurement conditions are as follows.
  • ⁇ E1 is an index of dispersibility of silica, and the smaller the numerical value of ⁇ E1, the better the dispersibility of silica.
  • Measurement conditions ⁇ Vibration frequency: 10Hz ⁇ Excitation strain amplitude: 10 ⁇ 5% ⁇ Distance between chucks: 20mm Evaluation was performed by obtaining ⁇ E1 from the following formula.
  • ⁇ E1 E1max-E1min
  • E1max maximum value of E1
  • E1min minimum value of E1
  • Example 1 As shown in Table 1 below, SBR (manufactured by JSR Corporation, HPR355): 80 parts by weight, BR (manufactured by JSR Corporation, BR01): 20 parts by weight, silica (manufactured by Tosoh Silica Corporation, Nipsil AQ): 80 parts by weight Part, antiozonant (manufactured by Seiko Chemical Co., Ltd., Ozonon (registered trademark) 6C): 2 parts by weight, zinc white (manufactured by Seido Chemical Industry Co., Ltd., zinc white 2 types): 2 parts by weight, stearic acid: 2 Parts by weight, plasticizer (manufactured by ENEOS, Aromax (registered trademark) 3) TDAE (Treated Distillate Aromatic Extracts): 22.2 parts by weight, metal salt of alkylarylsulfonic acid (MORESCO Corporation Thruhole 600 (manufactured by Evonik): 0.8 parts by
  • Example 2 to 5 Each component was blended according to the composition shown in Table 1, and rubber compositions of Examples 2 to 5 were obtained in the same manner as in Example 1. In Examples 2 to 5, the compounding ratio of the alkylarylsulfonic acid metal salt and the silane coupling agent was changed from Example 1.
  • Comparative Example 1 A rubber composition of Comparative Example 1 was obtained in the same manner as in Example 1, except that 8 parts by weight of a silane coupling agent (Si69, manufactured by Evonik) was added without blending an alkylarylsulfonic acid metal salt. .
  • a silane coupling agent Si69, manufactured by Evonik
  • Comparative Example 2 The procedure was the same as in Example 1, except that a silane coupling agent was not blended, and 8 parts by weight of an alkylarylsulfonic acid metal salt (Suruhol 600, manufactured by MORESCO Co., Ltd.) (as an alkylarylsulfonic acid metal salt) was blended. Thus, a rubber composition of Comparative Example 2 was obtained.
  • an alkylarylsulfonic acid metal salt (Suruhol 600, manufactured by MORESCO Co., Ltd.) (as an alkylarylsulfonic acid metal salt)
  • Table 1 shows that the rubber compositions of Examples 1 to 5 containing both the alkylarylsulfonic acid metal salt and the silane coupling agent have reduced rolling resistance and excellent wet grip properties.
  • the rubber composition of Comparative Example 1 which does not contain an alkylarylsulfonic acid metal salt and contains a silane coupling agent, does not sufficiently reduce the rolling resistance.
  • the rubber composition of Comparative Example 2 which does not contain a silane coupling agent and contains an alkylarylsulfonic acid metal salt, is inferior in wet grip properties.
  • a rubber composition containing only one of an alkylarylsulfonic acid metal salt and a silane coupling agent cannot achieve both reduction in rolling resistance and maintenance of wet grip properties.
  • the rubber compositions of Examples 1 to 5 are excellent in tensile stress and elongation, indicating that they maintain high strength.
  • the weight ratio of the alkylarylsulfonic acid metal salt and the silane coupling agent is 1:9 to 7:3, the wet grip property and tensile stress are superior to when the weight ratio is 9:1.
  • said weight ratio is preferably less than 9:1, more preferably said weight ratio is between 1:9 and 7:3.
  • a rubber sheet produced using an unvulcanized rubber composition containing the vulcanizing agent and vulcanization accelerator of Example 3 and Comparative Example 1 was produced in the shape of a tread, and laminated with other members to produce a green tire. was made. Next, the raw tire was press-molded in a vulcanizer at 170° C. for 20 minutes to produce a tire of size 195/65R15.
  • the rubber composition according to the present invention can be suitably used for tire members of pneumatic tires such as tire treads, undertreads, carcasses, sidewalls and bead portions, belts such as conveyor belts, and rubber products such as anti-vibration rubbers. can.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

L'invention concerne une composition de caoutchouc qui présente une résistance au roulement réduite tout en conservant de bonnes performances d'adhérence sur chaussée mouillée.　La composition de caoutchouc comprend (a) un composant caoutchouc comprenant au moins un caoutchouc choisi parmi des caoutchoucs synthétiques à base de diène et un caoutchouc naturel, (b) de la silice, (c) un sel métallique d'un acide alkylarylsulfonique et (d) un agent de couplage au silane, la teneur en silice (b) étant égale à 20 à 120 parties en poids pour 100 parties en poids du composant caoutchouc (a).
PCT/JP2022/007065 2021-02-22 2022-02-22 Composition de caoutchouc, pneumatique, et additif pour pneumatique WO2022177017A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021-026669 2021-02-22
JP2021026669 2021-02-22

Publications (1)

Publication Number Publication Date
WO2022177017A1 true WO2022177017A1 (fr) 2022-08-25

Family

ID=82932253

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2022/007065 WO2022177017A1 (fr) 2021-02-22 2022-02-22 Composition de caoutchouc, pneumatique, et additif pour pneumatique

Country Status (1)

Country Link
WO (1) WO2022177017A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003238740A (ja) * 2002-02-15 2003-08-27 Bridgestone Corp ゴム組成物及びそれを用いた空気入りタイヤ
JP2005263956A (ja) * 2004-03-18 2005-09-29 Sumitomo Rubber Ind Ltd タイヤトレッド用ゴム組成物およびそれを用いた空気入りタイヤ
JP2009215338A (ja) * 2008-03-07 2009-09-24 Daiso Co Ltd シリカ配合ゴム組成物とその架橋物、及びその製造方法。
JP2012036312A (ja) * 2010-08-09 2012-02-23 Sumitomo Rubber Ind Ltd 改質天然ゴム、その製造方法、ゴム組成物及び空気入りタイヤ
JP2014145061A (ja) * 2013-01-30 2014-08-14 Sumitomo Rubber Ind Ltd タイヤ用ゴム組成物及び空気入りタイヤ
JP2015151520A (ja) * 2014-02-18 2015-08-24 住友ゴム工業株式会社 タイヤ
WO2016204012A1 (fr) * 2015-06-18 2016-12-22 株式会社ブリヂストン Composition de caoutchouc amortissant les vibrations et caoutchouc amortissant les vibrations

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003238740A (ja) * 2002-02-15 2003-08-27 Bridgestone Corp ゴム組成物及びそれを用いた空気入りタイヤ
JP2005263956A (ja) * 2004-03-18 2005-09-29 Sumitomo Rubber Ind Ltd タイヤトレッド用ゴム組成物およびそれを用いた空気入りタイヤ
JP2009215338A (ja) * 2008-03-07 2009-09-24 Daiso Co Ltd シリカ配合ゴム組成物とその架橋物、及びその製造方法。
JP2012036312A (ja) * 2010-08-09 2012-02-23 Sumitomo Rubber Ind Ltd 改質天然ゴム、その製造方法、ゴム組成物及び空気入りタイヤ
JP2014145061A (ja) * 2013-01-30 2014-08-14 Sumitomo Rubber Ind Ltd タイヤ用ゴム組成物及び空気入りタイヤ
JP2015151520A (ja) * 2014-02-18 2015-08-24 住友ゴム工業株式会社 タイヤ
WO2016204012A1 (fr) * 2015-06-18 2016-12-22 株式会社ブリヂストン Composition de caoutchouc amortissant les vibrations et caoutchouc amortissant les vibrations

Similar Documents

Publication Publication Date Title
JP4603615B2 (ja) トレッド又はカーカスコード被覆用ゴム組成物及びタイヤ
JP4663687B2 (ja) ゴム組成物ならびにそれを用いたトレッドおよび／またはサイドウォールを有するタイヤ
EP2985311A1 (fr) Composition de caoutchouc pour pneu et pneu
KR100775886B1 (ko) 고무 조성물 및 그 제조 방법
JP5159190B2 (ja) インナーライナー用ゴム組成物およびそれを用いたインナーライナーを有するタイヤ
RU2614121C1 (ru) Шина
JP7172165B2 (ja) ゴム組成物およびタイヤ
EP1988120B1 (fr) Pneu avec structure de bande de roulement comprenant une bande de roulement externe et une bande de roulement de base
US20130281610A1 (en) Rubber composition for tread and pneumatic tire using the same for tread
CN107108910B (zh) 硫化橡胶组合物的制备方法、硫化橡胶组合物以及使用其的无钉防滑轮胎
JP6947161B2 (ja) タイヤ用ゴム組成物及び空気入りタイヤ
JP7009768B2 (ja) ゴム組成物およびタイヤ
US9132698B2 (en) Rubber composition for studless tire and studless tire using the same
JP2019001898A (ja) タイヤ用ゴム組成物、トレッドおよびタイヤ
JP7172061B2 (ja) ゴム組成物およびタイヤ
JP6208428B2 (ja) タイヤ用ゴム組成物及び空気入りタイヤ
JP2006188571A (ja) ゴム組成物およびそれからなるタイヤ
JP5038040B2 (ja) タイヤのトレッド用ゴム組成物およびタイヤ
JP7067468B2 (ja) タイヤ用ゴム組成物、及び空気入りタイヤ
JP3384793B2 (ja) タイヤトレッド用ゴム組成物およびそれを用いた空気入りタイヤ
WO2012070625A1 (fr) Composition caoutchoutée et pneumatique l'utilisant
JP5463734B2 (ja) タイヤ用ゴム組成物
JP2010059252A (ja) トラック・バス用またはライトトラック用スタッドレスタイヤ
WO2022177017A1 (fr) Composition de caoutchouc, pneumatique, et additif pour pneumatique
JP6158039B2 (ja) ゴム組成物及びそれを用いたタイヤ

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22756334

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 22756334

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: JP