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WO2013001826A1 - Composition de caoutchouc pour pneus, pneu et procédé de production d'une composition de caoutchouc pour pneus - Google Patents

Composition de caoutchouc pour pneus, pneu et procédé de production d'une composition de caoutchouc pour pneus Download PDF

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Publication number
WO2013001826A1
WO2013001826A1 PCT/JP2012/004211 JP2012004211W WO2013001826A1 WO 2013001826 A1 WO2013001826 A1 WO 2013001826A1 JP 2012004211 W JP2012004211 W JP 2012004211W WO 2013001826 A1 WO2013001826 A1 WO 2013001826A1
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WO
WIPO (PCT)
Prior art keywords
weight
rubber
rubber composition
tan
unit content
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2012/004211
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English (en)
Japanese (ja)
Inventor
後藤　幹裕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yokohama Rubber Co Ltd
Original Assignee
Yokohama Rubber Co Ltd
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 Yokohama Rubber Co Ltd filed Critical Yokohama Rubber Co Ltd
Priority to JP2012539902A priority Critical patent/JP5321751B2/ja
Publication of WO2013001826A1 publication Critical patent/WO2013001826A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • B60C1/0016—Compositions of the tread
    • 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
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L57/00—Compositions of unspecified polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C08L57/02—Copolymers of mineral oil hydrocarbons
    • 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
    • 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
    • C08L9/06—Copolymers with styrene
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction 

Definitions

  • the present invention relates to a tire rubber composition, a pneumatic tire, and a method for producing a tire rubber composition.
  • ⁇ Pneumatic tires are required to be products that are friendly to the global environment, and are particularly required to have excellent fuel efficiency.
  • the basic characteristics of the tire such as grip performance represented by acceleration performance and braking performance, and wear resistance that affects tire life, must be equal to or higher than those of conventional tires.
  • Patent Document 1 proposes to improve wear resistance and grip performance with a rubber composition containing solution-polymerized styrene butadiene rubber, polybutadiene rubber, resin, carbon black and silica having specific structural characteristics.
  • this rubber composition has an insufficient effect of reducing rolling resistance, and further improvement is required for wear resistance and grip performance, and there is room for improvement.
  • An object of the present invention is to provide a rubber composition for a tire, a pneumatic tire, and a method for producing a tire rubber composition, in which low rolling resistance, grip performance and wear resistance are improved to a conventional level or higher. It is in.
  • the rubber composition for a tire of the present invention that achieves the above object comprises 100 parts by weight of a diene rubber containing 70 to 95% by weight of a solution-polymerized styrene butadiene rubber and 5 to 20% by weight of a butadiene rubber, and 1 to A rubber composition containing 20 parts by weight and 45 to 100 parts by weight of silica having a BET specific surface area of 100 to 200 m 2 / g,
  • the aromatic compound constituting the aromatic modified terpene resin is at least one selected from styrene, ⁇ -methylstyrene, vinyltoluene,
  • the solution-polymerized styrene butadiene rubber has a styrene unit content (S) of 35 to 45% by weight, a vinyl unit content (V) of 35% by weight or more, the styrene unit content (S) and a vinyl unit content (V ) Ratio (V / S) is 0.75 or more
  • the pneumatic tire of the present invention includes a tread portion made of the tire rubber composition.
  • the method for producing the tire rubber composition of the present invention comprises: 100 parts by weight of diene rubber containing 70 to 95% by weight of solution-polymerized styrene butadiene rubber and 5 to 20% by weight of butadiene rubber, 1 to 20 parts by weight of an aromatic modified terpene resin, and a BET specific surface area of 100 to 200 m 2 / g
  • the aromatic compound constituting the aromatic modified terpene resin is at least one selected from styrene, ⁇ -methylstyrene, vinyltoluene
  • the solution-polymerized styrene-butadiene rubber has a styrene unit content (S) of 35 to 45% by weight, a vinyl unit content (V
  • Ratio (V / S) is 0.75 or more and 2.00 or less
  • the rubber composition has a ratio of tan ⁇ at 0 ° C. to tan ⁇ at 60 ° C. (tan ⁇ (0 ° C.) / Tan ⁇ (60 ° C.)) of 2.50 or more.
  • the rubber composition for tires of the present invention can improve low rolling resistance, grip performance and wear resistance to a conventional level or more when used in tires.
  • the pneumatic tire using the rubber composition for a tire of the present invention can improve the low rolling resistance, grip performance and wear resistance from the conventional level.
  • the rubber component is composed of a diene rubber, 70 to 95% by weight of solution-polymerized styrene butadiene rubber (hereinafter referred to as “S-SBR”), and 5 to 20% by weight of butadiene rubber. Necessarily contained.
  • the diene rubber may contain other diene rubbers other than S-SBR and butadiene rubber. Examples of other diene rubbers include natural rubber, isoprene rubber, emulsion-polymerized styrene butadiene rubber, butyl rubber, and propylene-ethylene-diene rubber. Of these, natural rubber and isoprene rubber are preferable.
  • the blending amount of the other diene rubber is 0 to 25% by weight, preferably 0 to 20% by weight, based on 100% by weight of the diene rubber.
  • the content of S-SBR is 70 to 95% by weight, preferably 72 to 95% by weight, more preferably 75 to 80% by weight in 100% by weight of the diene rubber. If the S-SBR content is less than 70% by weight, the effect of improving the grip performance is not sufficient. On the other hand, if the S-SBR content exceeds 95% by weight, the wear resistance deteriorates.
  • S-SBR has a styrene unit content of 35 to 45% by weight, preferably 35 to 44% by weight, more preferably 40 to 41% by weight.
  • the styrene unit content of S-SBR is less than 35% by weight, the grip performance is not improved to a sufficient level.
  • the styrene unit content of S-SBR exceeds 45% by weight, the mixing processability deteriorates.
  • the styrene unit content of S-SBR is measured by infrared spectroscopic analysis (Hampton method).
  • the vinyl unit content of S-SBR is 35% by weight or more, preferably 36 to 80% by weight, more preferably 38 to 71% by weight.
  • the lower limit of the vinyl unit content is determined so that the ratio (V / S) described later is 0.75 to 2.0.
  • the vinyl unit content of S-SBR is measured by infrared spectroscopic analysis (Hampton method).
  • the ratio (V / S) of styrene unit content (S) to vinyl unit content (V) of S-SBR is 0.75 to 2.00, preferably 0.77 to 2.00, Preferably, it should be 0.93 to 1.00.
  • the ratio (V / S) is less than 0.75, good grip performance cannot be obtained.
  • the ratio (V / S) exceeds 2.00, the rubber's fracture property (particularly, elongation at break) deteriorates, and wear resistance deteriorates.
  • the rubber composition of the present invention contains 5 to 20% by weight, preferably 7 to 20% by weight, more preferably 10 to 20% by weight of butadiene rubber in 100% by weight of diene rubber.
  • the content of butadiene rubber is less than 5% by weight, the wear resistance is deteriorated. If the content of butadiene rubber exceeds 20% by weight, it is difficult to improve grip performance.
  • the balance between low rolling resistance and grip performance can be improved by blending an aromatic modified terpene resin.
  • the aromatic modified terpene resin is obtained by copolymerizing a terpene and an aromatic compound.
  • the aromatic compound is at least one selected from styrene, ⁇ -methylstyrene, and vinyl toluene.
  • terpenes include ⁇ -pinene, ⁇ -pinene, dipentene, limonene, camphene and the like.
  • Commercially available products such as YS Resin TO-125, TO-115, TO-105, TO-105, TO-85 and TR-105 manufactured by Yashara Chemical Co., Ltd. can be used as the aromatic modified terpene resin.
  • the compounding amount of the aromatic modified terpene resin is 1 to 20 parts by weight, preferably 1 to 18 parts by weight, more preferably 5 to 15 parts by weight with respect to 100 parts by weight of the diene rubber.
  • the compounding amount of the aromatic modified terpene resin is less than 1 part by weight, the balance between low rolling resistance and grip performance cannot be sufficiently increased.
  • the compounding quantity of aromatic modified terpene resin exceeds 20 weight part, rolling resistance will deteriorate on the contrary. In addition, wear resistance is reduced.
  • the rubber composition for tires of the present invention is blended with silica having specific particle properties.
  • silica By blending silica, the exothermic property of the rubber composition is suppressed, rolling resistance when used in a tire is reduced, and wet grip performance is improved.
  • Silica has a BET specific surface area of 100 to 200 m 2 / g, preferably 110 to 200 m 2 / g. When the BET specific surface area of silica is less than 100 m 2 / g, the rubber composition is insufficiently reinforced and wear resistance is insufficient, and grip performance is also deteriorated.
  • the BET specific surface area of silica exceeds 200 m 2 / g, the dispersibility of the silica with respect to the diene rubber decreases, so that the wear resistance deteriorates and the rolling resistance increases. Note that the BET specific surface area of silica is determined in accordance with ASTM D1993-03.
  • the amount of silica is 45 to 100 parts by weight, preferably 50 to 100 parts by weight, per 100 parts by weight of the diene rubber. If the blending amount of silica is less than 45 parts by weight, the effect of improving grip performance cannot be obtained sufficiently. When the amount of silica exceeds 100 parts by weight, the rubber viscosity increases and the silica dispersion deteriorates, so that the wear resistance deteriorates.
  • the silica used in the present invention may be silica having the above-described characteristics, and commercially available ones can be used as appropriate. Moreover, you may manufacture by the normal method so that it may have the characteristic mentioned above.
  • the type of silica for example, wet method silica, dry method silica, or surface-treated silica can be used.
  • the rubber composition of the present invention it is preferable to blend a silane coupling agent together with silica, so that the dispersibility of silica can be improved and the reinforcement to the diene rubber can be further enhanced.
  • the silane coupling agent is preferably added in an amount of 3 to 15% by weight, more preferably 5 to 12% by weight, based on the amount of silica.
  • the silane coupling agent is less than 3% by weight of the silica weight, the effect of improving the dispersibility of silica cannot be sufficiently obtained.
  • the silane coupling agent exceeds 15% by weight, the silane coupling agents are condensed with each other, and a desired effect cannot be obtained.
  • the silane coupling agent is not particularly limited, but a sulfur-containing silane coupling agent is preferable.
  • a sulfur-containing silane coupling agent is preferable.
  • the rubber composition for tires of the present invention can increase the strength of rubber by blending other fillers other than silica.
  • other fillers include carbon black, clay, mica, talc, calcium carbonate, aluminum hydroxide, and aluminum oxide. Of these, carbon black is preferred. By blending carbon black, the rubber hardness can be increased to ensure grip performance, and the wear resistance of the rubber composition can be improved.
  • the ratio of tan ⁇ at 0 ° C. to tan ⁇ at 60 ° C. is 2.50 or more, preferably 2.51 or more. is necessary. If the ratio (tan ⁇ (0 ° C.) / Tan ⁇ (60 ° C.)) is less than 2.50, the balance of the three performances of low rolling resistance, grip performance and wear resistance cannot be improved. Note that the ratio (tan ⁇ (0 ° C.) / Tan ⁇ (60 ° C.)) is never infinitely large because tan ⁇ (60 ° C.) never becomes 0.
  • a rubber composition having a ratio (tan ⁇ (0 ° C.) / Tan ⁇ (60 ° C.)) of 2.50 or more adjust the particle size and blending amount of silica, or adjust the kneading conditions of the rubber composition. Can also be manufactured.
  • the kneading conditions of the rubber composition after kneading at a relatively high temperature when kneading the rubber composition excluding vulcanizing compounding agents such as sulfur and vulcanization accelerator from the final composition, and after cooling A kneading / mixing method in which a vulcanizing compounding agent is added and mixed may be mentioned.
  • the temperature at which the rubber composition excluding the vulcanizing compounding agent is kneaded is preferably 149 to 160 ° C, more preferably 150 to 160 ° C.
  • tire rubber compositions generally used for tire rubber compositions such as vulcanization or crosslinking agents, vulcanization accelerators, anti-aging agents, plasticizers, processing aids, etc.
  • vulcanization or crosslinking agents such as vulcanization or crosslinking agents, vulcanization accelerators, anti-aging agents, plasticizers, processing aids, etc.
  • additives can be blended, and such additives can be kneaded by a general method, blended into a rubber composition, and used for vulcanization or crosslinking.
  • a conventional general amount can be used.
  • Such a rubber composition can be produced by mixing each of the above components using a known rubber kneading machine, for example, a Banbury mixer, a kneader, a roll or the like.
  • the rubber composition for tires of the present invention can be suitably used as a tread rubber for pneumatic tires, particularly pneumatic tires.
  • a pneumatic tire using this rubber composition has a low rolling resistance and an excellent fuel economy performance, an excellent wear resistance and a long tire life, and an excellent grip performance.
  • Examples 1 to 11, Comparative Examples 1 to 5 and 8 to 16 25 types of rubber compositions for tires (Examples 1 to 11, Comparative Examples 1 to 5 and 8 to 16) having the composition shown in Tables 1 to 3 as common formulations and sulfur,
  • the other common ingredients except the sulfur accelerator are kneaded for 5 minutes with a 1.8 L closed mixer, air-cooled to the master batch released at 150 ° C, sulfur and vulcanization accelerator are added and kneaded with an open roll. It was prepared by doing.
  • the rubber compositions for tires of Comparative Examples 6 and 7 were prepared by kneading the components excluding sulfur and vulcanization accelerator for 5 minutes with a 1.8 L closed mixer and releasing them at a temperature of 140 ° C. , Sulfur and a vulcanization accelerator were added and kneaded with an open roll.
  • tan ⁇ (0 ° C.) As the index of grip performance is larger, tan ⁇ (0 ° C.) is larger, which means that grip performance is superior. Also, the smaller the rolling resistance index, the smaller the tan ⁇ (60 ° C.), the lower the heat generation, the lower the rolling resistance when made into a tire, and the better the fuel efficiency.
  • the ratio of tan ⁇ (0 ° C.) to tan ⁇ (60 ° C.) (tan ⁇ (0 ° C.) / Tan ⁇ (60 ° C.)) is shown in the column of “0 ° C. tan ⁇ / 60 ° C. tan ⁇ ” in Tables 1 to 3.
  • S-SBR1 Solution-polymerized styrene butadiene rubber, Toughden 1834 manufactured by Asahi Kasei Chemicals Co., Ltd., styrene unit content (S) 19% by weight, vinyl unit content (V) 10% by weight, ratio (V / S) 0 .53, oil-extended product containing 37.5 parts by weight of oil with respect to 100 parts by weight of rubber component.
  • S-SBR2 solution polymerized styrene butadiene rubber, HP755B manufactured by JSR, 41% by weight of styrene unit content (S), vinyl Oil-extended product containing a unit content (V) of 41% by weight, a ratio (V / S) of 1.00 and an oil content of 37.5 parts by weight per 100 parts by weight of the rubber component.
  • S-SBR3 Solution-polymerized styrene butadiene rubber LANXESS BUNA VSL 2438-2 HM, styrene unit content (S) 41 wt%, vinyl unit content (V) 38 wt%, ratio (V / S) 0. 3.
  • Oil-extended product containing 37.5 parts by weight of oil with respect to 100 parts by weight of rubber component.
  • S-SBR4 Solution-polymerized styrene butadiene rubber, Nipol NS460 manufactured by Nippon Zeon Co., Ltd., 27 weight of styrene unit content (S) %, Vinyl unit content (V) 71% by weight, ratio (V / S) 2.63, oil component containing 37.5 parts by weight of oil for 100 parts by weight of rubber component
  • E-SBR emulsion polymerization Styrene butadiene rubber, Nipol 1739 manufactured by Nippon Zeon Co., Ltd., styrene unit content (S) 40% by weight, vinyl unit content (V) 13% by weight, ratio (V / S) 0.33, rubber component 100% Oil containing 37.5 parts by weight of oil with respect to parts.
  • BR Butadiene rubber, Nipol BR1220 manufactured by Nippon Zeon Co., Ltd.
  • ⁇ NR Natural rubber, SIR20 manufactured by KIRANA SAPTA ⁇ Carbon black: Toast carbon company's seast 7HM
  • Silica 1 ULTRASIL VN3GR manufactured by Evonik Degussa, BET specific surface area of 171 m 2 / g Silica 2: Zeosil 215GR manufactured by Rhodia, BET specific surface area is 220 m 2 / g Silica 3: Zeosil 1115MP manufactured by Rhodia, BET specific surface area of 95 m 2 / g
  • Coupling agent Sulfur-containing silane coupling agent, Si69 manufactured by Evonik Degussa Terpene resin 1: aromatic modified (styrene modified) terpene resin, YS resin TO125 manufactured by Yasuhara Chemical Co., Ltd.
  • -Terpene resin 2 Unmodified terpene resin, YS resin PX200 manufactured by Yasuhara Chemical Co., Ltd.
  • Terpene resin 3 Phenol-modified terpene resin, YS Polystar T-130 manufactured by Yasuhara Chemical Aroma oil: Showa Shell Sekiyu Extract No. 4 S
  • Zinc oxide 3 types of zinc oxide manufactured by Shodo Chemical Co., Ltd.
  • Stearic acid Beads stearic acid YR manufactured by NOF Corporation
  • Anti-aging agent Santoflex 6PPD manufactured by Flexis
  • Wax Sunnock manufactured by Ouchi Shinsei Chemical Co., Ltd.
  • Sulfur Fine powder sulfur with Jinhua seal oil manufactured by Tsurumi Chemical Co., Ltd.
  • Vulcanization accelerator CBS accelerator, Noxeller CZ-G manufactured by Ouchi Shinsei Chemical Co.
  • the rubber compositions for tires of Examples 1 to 12 maintain and improve grip performance (tan ⁇ at 0 ° C.), low rolling resistance (tan ⁇ at 60 ° C.), and wear resistance. It was confirmed.
  • the rubber composition of Comparative Example 10 cannot improve the grip performance because the compounding amount of S-SBR2 is less than 70 parts by weight.
  • the BET specific surface area of silica 3 is less than 100, the wear resistance is insufficient and the grip performance is also lowered.
  • the BET specific surface area of silica 2 exceeds 200 m 2 / g, the rolling resistance is deteriorated.

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  • 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)
  • Oil, Petroleum & Natural Gas (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Tires In General (AREA)

Abstract

La présente invention concerne une composition de caoutchouc pour pneus, permettant d'améliorer encore les caractéristiques suivantes : faible résistance au roulement, adhérence et résistance à l'usure, par rapport à ce qui est traditionnellement observé. La présente invention concerne, donc, une composition de caoutchouc contenant 100 parties en poids d'un caoutchouc diène comportant de 70 à 95 % en poids d'un caoutchouc styrène-butadiène polymérisé en solution et 5 à 20 % en poids d'un caoutchouc butadiène, 1 à 20 parties en poids d'une résine terpénique aromatique modifiée au moyen d'au moins un composant choisi parmi le styrène, l'α-méthylstyrène et le vinyltoluène et 45 à 100 parties en poids d'une silice qui présente une aire spécifique BET variant de 100 à 200 m²/g, ladite composition de caoutchouc étant caractérisée en ce que le caoutchouc styrène-butadiène polymérisé en solution présente une teneur en motifs styréniques (S) variant de 35 à 45 % en poids et une teneur en motifs vinyliques (V) supérieure ou égale à 35 % en poids, le rapport entre la teneur en motifs vinyliques et la teneur en motifs styréniques (c'est-à-dire V/S) variant de 0,75 à 2,00, bornes incluses, et le rapport entre tanδ à 0 °C et tanδ à 60 °C (c'est-à-dire tanδ (0 °C)/tanδ (60 °C)) étant supérieur ou égal à 2,50.
PCT/JP2012/004211 2011-06-28 2012-06-28 Composition de caoutchouc pour pneus, pneu et procédé de production d'une composition de caoutchouc pour pneus Ceased WO2013001826A1 (fr)

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JP2012539902A JP5321751B2 (ja) 2011-06-28 2012-06-28 タイヤ用ゴム組成物、空気入りタイヤ、及びタイヤ用ゴム組成物の製造方法

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JP2011143261 2011-06-28
JP2011-143261 2011-06-28

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WO2013001826A1 true WO2013001826A1 (fr) 2013-01-03

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016067581A1 (fr) * 2014-10-27 2016-05-06 株式会社ブリヂストン Procédé de production d'une composition de caoutchouc, composition de caoutchouc et pneu
CN106674658A (zh) * 2016-12-08 2017-05-17 赛轮金宇集团股份有限公司 使用可再生稻壳源白炭黑的轮胎胎面胶及其制备工艺
JP2020023640A (ja) * 2018-08-08 2020-02-13 住友ゴム工業株式会社 トレッド用ゴム組成物及び空気入りタイヤ
JP2021073134A (ja) * 2021-02-03 2021-05-13 住友ゴム工業株式会社 タイヤ用ゴム組成物およびタイヤ
WO2021251054A1 (fr) 2020-06-08 2021-12-16 ハリマ化成株式会社 Modificateur de caoutchouc pour pneu et composition de caoutchouc pour pneu
CN114316393A (zh) * 2021-12-28 2022-04-12 中策橡胶集团股份有限公司 一种专门用于rft轮胎胎面的橡胶组合物、混炼方法和轮胎
JP2022174133A (ja) * 2018-05-04 2022-11-22 ブリヂストン アメリカズ タイヤ オペレーションズ、 エルエルシー タイヤトレッドゴム組成物
JPWO2023176831A1 (fr) * 2022-03-16 2023-09-21
WO2023176832A1 (fr) * 2022-03-16 2023-09-21 横浜ゴム株式会社 Composition de caoutchouc pour pneus
WO2023176830A1 (fr) * 2022-03-16 2023-09-21 横浜ゴム株式会社 Composition de caoutchouc pour pneu

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JP2004091505A (ja) * 2002-08-29 2004-03-25 Bridgestone Corp タイヤトレッド用ゴム組成物及びそれを用いたタイヤ
JP2006249403A (ja) * 2005-02-10 2006-09-21 Sumitomo Rubber Ind Ltd ゴム組成物およびそれを用いたトレッドを有するタイヤ
JP2008297493A (ja) * 2007-06-01 2008-12-11 Yokohama Rubber Co Ltd:The タイヤ用ゴム組成物

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004091505A (ja) * 2002-08-29 2004-03-25 Bridgestone Corp タイヤトレッド用ゴム組成物及びそれを用いたタイヤ
JP2006249403A (ja) * 2005-02-10 2006-09-21 Sumitomo Rubber Ind Ltd ゴム組成物およびそれを用いたトレッドを有するタイヤ
JP2008297493A (ja) * 2007-06-01 2008-12-11 Yokohama Rubber Co Ltd:The タイヤ用ゴム組成物

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016084427A (ja) * 2014-10-27 2016-05-19 株式会社ブリヂストン ゴム組成物の製造方法、ゴム組成物及びタイヤ
WO2016067581A1 (fr) * 2014-10-27 2016-05-06 株式会社ブリヂストン Procédé de production d'une composition de caoutchouc, composition de caoutchouc et pneu
CN106674658A (zh) * 2016-12-08 2017-05-17 赛轮金宇集团股份有限公司 使用可再生稻壳源白炭黑的轮胎胎面胶及其制备工艺
JP7513347B2 (ja) 2018-05-04 2024-07-09 ブリヂストン アメリカズ タイヤ オペレーションズ、 エルエルシー タイヤトレッドゴム組成物
JP2022174133A (ja) * 2018-05-04 2022-11-22 ブリヂストン アメリカズ タイヤ オペレーションズ、 エルエルシー タイヤトレッドゴム組成物
CN110818969B (zh) * 2018-08-08 2023-06-06 住友橡胶工业株式会社 胎面用橡胶组合物以及充气轮胎
JP2020023640A (ja) * 2018-08-08 2020-02-13 住友ゴム工業株式会社 トレッド用ゴム組成物及び空気入りタイヤ
CN110818969A (zh) * 2018-08-08 2020-02-21 住友橡胶工业株式会社 胎面用橡胶组合物以及充气轮胎
JP7251071B2 (ja) 2018-08-08 2023-04-04 住友ゴム工業株式会社 トレッド用ゴム組成物及び空気入りタイヤ
WO2021251054A1 (fr) 2020-06-08 2021-12-16 ハリマ化成株式会社 Modificateur de caoutchouc pour pneu et composition de caoutchouc pour pneu
JP2021073134A (ja) * 2021-02-03 2021-05-13 住友ゴム工業株式会社 タイヤ用ゴム組成物およびタイヤ
CN114316393B (zh) * 2021-12-28 2023-09-12 中策橡胶集团股份有限公司 一种专门用于rft轮胎胎面的橡胶组合物、混炼方法和轮胎
CN114316393A (zh) * 2021-12-28 2022-04-12 中策橡胶集团股份有限公司 一种专门用于rft轮胎胎面的橡胶组合物、混炼方法和轮胎
JPWO2023176831A1 (fr) * 2022-03-16 2023-09-21
WO2023176831A1 (fr) * 2022-03-16 2023-09-21 横浜ゴム株式会社 Composition de caoutchouc pour pneu
WO2023176832A1 (fr) * 2022-03-16 2023-09-21 横浜ゴム株式会社 Composition de caoutchouc pour pneus
WO2023176830A1 (fr) * 2022-03-16 2023-09-21 横浜ゴム株式会社 Composition de caoutchouc pour pneu
JP2023135762A (ja) * 2022-03-16 2023-09-29 横浜ゴム株式会社 タイヤ用ゴム組成物
JP7397362B2 (ja) 2022-03-16 2023-12-13 横浜ゴム株式会社 タイヤ用ゴム組成物
JP7680702B2 (ja) 2022-03-16 2025-05-21 横浜ゴム株式会社 タイヤ用ゴム組成物

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