WO2005090463A1 - 空気入りタイヤ - Google Patents
空気入りタイヤ Download PDFInfo
- Publication number
- WO2005090463A1 WO2005090463A1 PCT/JP2005/003984 JP2005003984W WO2005090463A1 WO 2005090463 A1 WO2005090463 A1 WO 2005090463A1 JP 2005003984 W JP2005003984 W JP 2005003984W WO 2005090463 A1 WO2005090463 A1 WO 2005090463A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- rubber
- resin
- pneumatic tire
- weight
- rubber composition
- Prior art date
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
- 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
- C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
- C08K3/013—Fillers, pigments or reinforcing additives
Definitions
- the present invention relates to an environmentally friendly pneumatic tire.
- a tire using natural rubber as a main raw material is inferior in abrasion resistance and steering stability as compared with a tire using synthetic rubber as a main raw material.
- SBR styrene-butadiene rubber
- gen-based rubber which is known to improve grip performance on dry and wet road surfaces and improve steering stability.
- an object of the present invention is to provide a pneumatic tire that achieves both consideration for the global environment and tire performance, in particular, achieving both high levels of wear resistance and steering stability.
- the present inventors have eagerly focused on using non-petroleum resources to achieve the above object. Researched. As a result, by using a resin having a softening point of 60 ° C. or more, a tread rubber capable of achieving high dimensional performance, particularly high wear resistance and high steering stability, can be obtained. The completed pneumatic tire was completed.
- a feature of the present invention is that, per 100 parts by weight of a rubber component containing 80% by weight or more of natural rubber and Z or isoprene rubber, an inorganic filler composed of resources other than petroleum is 20 parts by weight or more, and 60 ° C or more.
- the gist of the present invention is to provide a pneumatic tire using a rubber composition containing 10 parts by weight or more of a resin having a soft dagger point as a tread rubber.
- the rubber composition according to the aspect of the present invention among the rubber component comprises a natural rubber and Z or iso Purengomu total of 80 weight 0/0 or more, the remainder, butadiene rubber (BR), styrene-pig Jengomu (SBR ) And butyl rubber (IIR) can be used alone or in combination.
- BR butadiene rubber
- SBR styrene-pig Jengomu
- IIR butyl rubber
- the rubber component and the inorganic filler which are resources other than petroleum, are used, and the resin having a softening point of 60 ° C or more is used in combination.
- the resin having a softening point of 60 ° C or more is used in combination.
- the inorganic filler it is preferable to use one or more of silica, alumina, aluminum hydroxide, clay, calcium carbonate, talc, and myriki. In particular, it is desirable to use silica alone or a combination of silica and aluminum hydroxide.
- the amount of the inorganic filler is at least 20 parts by weight, preferably from 20 to 100 parts by weight, more preferably from 40 to 80 parts by weight.
- the aluminum hydroxide used is preferably 0.1 to 10 m in diameter, more preferably 0.5 to 2.0 m in diameter.
- dipsyl AQ and KQ grades are more preferable, but those usually used may be used.
- Pneumatic tires can be provided.
- the resin having a softening point of 60 ° C or more it is desirable to use natural resin as the resin having a softening point of 60 ° C or more.
- the natural resin preferably contains at least one of a rosin resin, a limonene resin, and a terpene resin.
- a tire with a tire can be provided.
- animal and vegetable oils as a plasticizer.
- animal and vegetable oils include rosin oil, tall oil, cashew oil, linseed oil, rapeseed oil, palm oil, linoleic oil, oleic acid, salad oil, castor oil, and soybean oil.
- natural resins such as rosin resin, limonene resin, and terpene resin may be used as the plasticizer.
- a preferred tire can be provided.
- the rubber composition according to the present embodiment contains a rubber component, an inorganic filler, and a resin, and further contains other components appropriately selected as needed.
- the rubber component contains natural rubber or isoprene rubber.
- the rubber component and include natural rubber and Z or isoprene rubber total of 80 weight 0/0 or more, the remainder, butadiene rubber (BR), styrene-butadiene rubber (SBR), butyl rubber (IIR), etc. are usually used are used alone or in combination.
- BR butadiene rubber
- SBR styrene-butadiene rubber
- IIR butyl rubber
- a copolymer containing a third monomer such as styrene-butadiene-acrylonitrile rubber, or a copolymer terminal-modified with tetrachloride tin or alkoxysilane may be used.
- the rubber composition according to the present embodiment contains at least 20 parts by weight of an inorganic filler made of resources other than petroleum per 100 parts by weight of the rubber component.
- Inorganic fillers that also have resources other than petroleum include silica (SiO 2), alumina (Al 2 O 3),
- Lumi-pum calcium Al O -CaO -2SiO etc.
- magnesium calcium silicate CaM
- gSiO 2 may be used. These inorganic fillers may be used alone or in combination of two or more.
- the amount of the inorganic filler is preferably in the range of 20 to 100 parts by weight, more preferably in the range of 40 to 80 parts by weight. More specifically, the aluminum hydroxide used preferably has a diameter of 0.1-10 / zm, more preferably 0.5-2.
- silica Nipsil AQ and KQ grades are more preferable, but a commonly used silica may be used!
- carbon black may be used as the inorganic filler
- the amount of the carbon black is preferably 20 parts by weight or less from the viewpoint of environmental consideration.
- HAF, ISAF, and SAF grades can be used.
- the rubber composition according to the present embodiment contains 10 parts by weight or more of a resin having a softening point of 60 ° C. or more per 100 parts by weight of the rubber component.
- the resin having a softening point of 60 ° C. or more may be used, but it is preferable to use natural resin existing in nature.
- the natural resin desirably contains at least one of a rosin resin, a limonene resin, and a terpene resin.
- the rubber composition according to the present embodiment is a process oil generally used as a plasticizer ( There are no particular restrictions on ester plasticizers such as aromatic oils, naphthetic oils and spindle oils) and DOP, but animal and vegetable oils are preferably used. Specific examples of animal and vegetable oils include rosin oil, tall oil, cashew oil, linseed oil, rapeseed oil, palm oil, linoleic oil, oleic acid, salad oil, castor oil, and soybean oil. In addition, a natural resin such as a rosin resin, a limonene resin, or a terpene resin may be used as the plasticizer.
- a natural resin such as a rosin resin, a limonene resin, or a terpene resin may be used as the plasticizer.
- a vulcanizing agent such as sulfur, CZ (N-cyclohexyl-2 —Vulcanization accelerators such as benzothiadilusulfenamide), DPG, DM, NS, OBS (Noxyjethylene-benzothiadilusulfenamide), antioxidants, zinc oxide, stearic acid, ozone
- a vulcanizing agent such as sulfur, CZ (N-cyclohexyl-2 —Vulcanization accelerators such as benzothiadilusulfenamide), DPG, DM, NS, OBS (Noxyjethylene-benzothiadilusulfenamide), antioxidants, zinc oxide, stearic acid, ozone
- coloring agents, antistatic agents, lubricants, antioxidants, softeners, silane coupling agents see JP-A-10-120827, etc.
- foaming agents additional additives such as foaming assistants, and other general additives, Anything used in the rubber industry can be used without any problems.
- the rubber composition according to the present embodiment includes a workability improver (see Japanese Patent Application Laid-Open No. 2002-121300), a silica dispersibility improver (see Japanese Patent No. 3451094), an antistatic agent (Japanese Patent No. 3467380). And the like, and a storage modulus improving agent (see JP-A-2003-176378).
- the rubber composition according to the present embodiment is obtained by kneading, heating, extruding, vulcanizing, and the like, a rubber component, an inorganic filler, a resin, and other components appropriately selected as necessary. Can be manufactured.
- the kneading conditions are not particularly limited, and include various conditions such as the volume to be charged into the kneading apparatus, the rotation speed of the rotor, the ram pressure, the kneading temperature, the kneading time, and the type of the kneading apparatus. It can be appropriately selected according to the purpose.
- the kneading apparatus include a Banbury mixer, an intermix, a kneader and the like which are usually used for kneading a rubber composition.
- the compounding method of increasing the amount of the filler is employed in order to secure the steering stability, the workability becomes difficult.
- a method using natural rubber mixed with silica may be used.
- the method using a rubber in which an inorganic filler has been kneaded in advance in this manner is disclosed in detail in the masterbatch method and in Japanese Patent Application Laid-Open Nos. 1-1135850 and 60-4541.
- the conditions for the warming are not particularly limited, and various conditions such as a warming temperature, a warming time, and a warming device can be appropriately selected depending on the purpose.
- Examples of the warming device include a roll machine and the like which are usually used for warming the rubber composition.
- Extrusion conditions are not particularly limited, and various conditions such as an extrusion time, an extrusion speed, an extrusion apparatus, and an extrusion temperature can be appropriately selected depending on the purpose.
- an extruder for example, an extruder usually used for extruding a rubber composition for a tire can be used.
- the extrusion temperature can be appropriately determined.
- plasticizers such as aroma oils, naphthenic oils, paraffin oils, and ester oils, liquid polyisoprene rubbers, liquid polybutadiene rubbers, and the like are used for the purpose of controlling the fluidity of the rubber composition.
- a processability improver such as a liquid polymer can be appropriately added to the rubber composition. In this case, the viscosity of the rubber composition before vulcanization can be reduced, its fluidity can be increased, and extrusion can be performed very well.
- the apparatus, system, conditions, and the like for performing vulcanization can be appropriately selected depending on the purpose without particular limitation.
- a molding vulcanizer using a mold usually used for vulcanizing a rubber composition for tires can be mentioned.
- the temperature is usually about 100 to 190 ° C.
- the rubber composition according to the present embodiment can be particularly preferably used for treads of force tires and the like which can be suitably used in various fields, and is suitably used for the pneumatic tire according to the present embodiment. can do.
- the pneumatic tire according to the present embodiment uses the above-described rubber composition for a tire tread in a tread portion, thereby achieving consideration for the global environment and achieving a balance between a high level of tire performance, particularly, abrasion resistance and steering stability. Can be achieved.
- the pneumatic tire according to the present embodiment has a conventionally known structure and can be manufactured by an ordinary method without any particular limitation. Also, this implementation As the gas to be charged into the pneumatic tire according to the embodiment, there can be used normal or oxygen partial pressure-adjusted air, or an inert gas such as nitrogen, argon, or helium.
- a pneumatic tire having a pair of bead portions, a carcass connected to the bead portion in a toroidal shape, a belt for tightening a crown portion of the carcass, and a tread are provided. And the like.
- the pneumatic tire according to the present embodiment may have a radial structure, or may have a bias structure.
- the structure of the tread may be a single-layer structure or a multilayer structure, which is not particularly limited.
- the tread structure may be an upper-layer cap portion directly grounded to a road surface, and a pneumatic tire of the cap portion.
- a so-called cap-base structure constituted by a lower layer base portion disposed adjacent to the inside of the device.
- the method of manufacturing the pneumatic tire according to the present embodiment is not particularly limited.
- the pneumatic tire can be manufactured as follows.
- the rubber composition according to the present embodiment is prepared, and this rubber composition is pasted on an unvulcanized base portion previously pasted on the crown portion of a fresh pneumatic tire case. Then, vulcanization and molding can be performed by a predetermined mold under a predetermined temperature and a predetermined pressure.
- the generation of CO can be suppressed.
- Examples of the resin having a softening point of 60 ° C or higher include rosin-based resin, limonene-based resin, By using natural resins such as pen-based resins, the generation of CO can be further suppressed and the global environment
- Rubber compositions having the compositions shown in Table 1 were prepared, and the physical properties of each rubber composition were measured by the following methods.
- Example 1 shows that the rubber composition of Example 1 is superior to the rubber compositions of Comparative Examples 1 and 2 in terms of abrasion resistance, handling stability and WET grip performance, which are almost the same as those of the 100% SBR compound. It turned out to be a level almost comparable. Therefore, even if natural rubber (NR) is used, the use of a high-softness resin (here, a rosin-based resin) is also used in consideration of the environment, and the tire performance, especially the abrasion resistance and It was confirmed that a high level of steering stability and a two-dimensional compatibility could be achieved.
- NR natural rubber
- Example 2 is superior to the rubber compositions of Comparative Example 1 and Comparative Example 2 in terms of abrasion resistance, handling stability, and WET grip performance, almost the same as the performance of 100% SBR. It helped to be on a par with the level. Therefore, it was confirmed that by using both aluminum hydroxide and silica, it was possible to achieve a balance between tire performance, in particular, high wear resistance and high handling stability, while considering the environment. .
- the rubber compositions of Examples 3 and 4 are superior to the rubber compositions of Comparative Examples 1 and 2 in terms of abrasion resistance, handling stability, and WET gripping properties with 100% SBR.
- One of the key strengths was that it was possible to achieve a higher level of compatibility than the performance of. Therefore, by using natural rubber and SBR together and increasing the amount of inorganic filler, it is possible to achieve a balance between tire performance, especially abrasion resistance and steering stability, while taking the environment into consideration. I was able to confirm that I could.
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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)
- Compositions Of Macromolecular Compounds (AREA)
- Tires In General (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006511158A JPWO2005090463A1 (ja) | 2004-03-18 | 2005-03-08 | 空気入りタイヤ |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-078618 | 2004-03-18 | ||
JP2004078618 | 2004-03-18 |
Publications (1)
Publication Number | Publication Date |
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WO2005090463A1 true WO2005090463A1 (ja) | 2005-09-29 |
Family
ID=34993657
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/003984 WO2005090463A1 (ja) | 2004-03-18 | 2005-03-08 | 空気入りタイヤ |
Country Status (2)
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JP (1) | JPWO2005090463A1 (ja) |
WO (1) | WO2005090463A1 (ja) |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006063093A (ja) * | 2004-08-24 | 2006-03-09 | Sumitomo Rubber Ind Ltd | トレッド用ゴム組成物 |
WO2007074617A1 (ja) * | 2005-12-27 | 2007-07-05 | Sumitomo Rubber Industries, Ltd. | サイドウォール用ゴム組成物およびその製造方法 |
JP2007186567A (ja) * | 2006-01-12 | 2007-07-26 | Yokohama Rubber Co Ltd:The | タイヤトレッド用ゴム組成物 |
JP2007277307A (ja) * | 2006-04-03 | 2007-10-25 | Bridgestone Corp | ゴム組成物及びそれを用いたタイヤ |
JP2007308613A (ja) * | 2006-05-19 | 2007-11-29 | Bridgestone Corp | ゴム組成物及びそれを用いたタイヤ |
JP2008303330A (ja) * | 2007-06-08 | 2008-12-18 | Sumitomo Rubber Ind Ltd | ベース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 |
JP2008303328A (ja) * | 2007-06-08 | 2008-12-18 | Sumitomo Rubber Ind Ltd | 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 |
JP2009001680A (ja) * | 2007-06-21 | 2009-01-08 | Sumitomo Rubber Ind Ltd | ブレーカ用ゴム組成物およびそれを用いた空気入りタイヤ |
JP2010031110A (ja) * | 2008-07-28 | 2010-02-12 | Yokohama Rubber Co Ltd:The | タイヤ用ゴム組成物 |
JP2010254740A (ja) * | 2009-04-21 | 2010-11-11 | Bridgestone Corp | ゴム組成物及びそれを用いた空気入りタイヤ |
JP2011174027A (ja) * | 2010-02-26 | 2011-09-08 | Yokohama Rubber Co Ltd:The | 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 |
JP2011178820A (ja) * | 2010-02-26 | 2011-09-15 | Yokohama Rubber Co Ltd:The | 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 |
JP2013028650A (ja) * | 2011-07-26 | 2013-02-07 | Sumitomo Rubber Ind Ltd | タイヤ用ゴム組成物及び空気入りタイヤ |
JP2014528021A (ja) * | 2011-09-26 | 2014-10-23 | コンパニー ゼネラール デ エタブリッスマン ミシュラン | 改良された湿潤地面上でのグリップ性を有するタイヤ |
JP2014534283A (ja) * | 2011-09-26 | 2014-12-18 | コンパニー ゼネラール デ エタブリッスマン ミシュラン | 湿潤地面上で改良されたグリップ性を有するタイヤ |
JP2018159078A (ja) * | 2013-11-27 | 2018-10-11 | 株式会社ブリヂストン | ゴム組成物及びタイヤ |
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JPS60179434A (ja) * | 1984-02-25 | 1985-09-13 | Toyo Tire & Rubber Co Ltd | タイヤ用ゴム配合組成物 |
JP2000186170A (ja) * | 1998-12-21 | 2000-07-04 | Toyo Tire & Rubber Co Ltd | タイヤ用ゴム組成物及びこれを用いたタイヤ |
JP2000239443A (ja) * | 1999-02-24 | 2000-09-05 | Toyo Tire & Rubber Co Ltd | タイヤのトレッド用ゴム組成物 |
JP2000344946A (ja) * | 1999-06-07 | 2000-12-12 | Yokohama Rubber Co Ltd:The | 重荷重タイヤトレッド用ゴム組成物 |
JP2002226629A (ja) * | 2001-01-30 | 2002-08-14 | Ohtsu Tire & Rubber Co Ltd :The | ゴム組成物および空気入りタイヤ |
JP2003003014A (ja) * | 2001-06-22 | 2003-01-08 | Nitta Ind Corp | 高減衰ゴム組成物 |
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JPH0689182B2 (ja) * | 1985-02-19 | 1994-11-09 | 株式会社ブリヂストン | 耐カツト性及び耐チツピング性を改善したゴム組成物 |
US5396940A (en) * | 1993-09-17 | 1995-03-14 | The Goodyear Tire & Rubber Company | Sulfur cured rubber composition containing epoxidized natural rubber and silica filler |
JP2003063206A (ja) * | 2001-08-24 | 2003-03-05 | Sumitomo Rubber Ind Ltd | エコタイヤ |
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- 2005-03-08 JP JP2006511158A patent/JPWO2005090463A1/ja active Pending
- 2005-03-08 WO PCT/JP2005/003984 patent/WO2005090463A1/ja active Application Filing
Patent Citations (6)
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JPS60179434A (ja) * | 1984-02-25 | 1985-09-13 | Toyo Tire & Rubber Co Ltd | タイヤ用ゴム配合組成物 |
JP2000186170A (ja) * | 1998-12-21 | 2000-07-04 | Toyo Tire & Rubber Co Ltd | タイヤ用ゴム組成物及びこれを用いたタイヤ |
JP2000239443A (ja) * | 1999-02-24 | 2000-09-05 | Toyo Tire & Rubber Co Ltd | タイヤのトレッド用ゴム組成物 |
JP2000344946A (ja) * | 1999-06-07 | 2000-12-12 | Yokohama Rubber Co Ltd:The | 重荷重タイヤトレッド用ゴム組成物 |
JP2002226629A (ja) * | 2001-01-30 | 2002-08-14 | Ohtsu Tire & Rubber Co Ltd :The | ゴム組成物および空気入りタイヤ |
JP2003003014A (ja) * | 2001-06-22 | 2003-01-08 | Nitta Ind Corp | 高減衰ゴム組成物 |
Cited By (21)
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JP4602716B2 (ja) * | 2004-08-24 | 2010-12-22 | 住友ゴム工業株式会社 | トレッド用ゴム組成物 |
JP2006063093A (ja) * | 2004-08-24 | 2006-03-09 | Sumitomo Rubber Ind Ltd | トレッド用ゴム組成物 |
WO2007074617A1 (ja) * | 2005-12-27 | 2007-07-05 | Sumitomo Rubber Industries, Ltd. | サイドウォール用ゴム組成物およびその製造方法 |
JP2007186567A (ja) * | 2006-01-12 | 2007-07-26 | Yokohama Rubber Co Ltd:The | タイヤトレッド用ゴム組成物 |
JP2007277307A (ja) * | 2006-04-03 | 2007-10-25 | Bridgestone Corp | ゴム組成物及びそれを用いたタイヤ |
JP2007308613A (ja) * | 2006-05-19 | 2007-11-29 | Bridgestone Corp | ゴム組成物及びそれを用いたタイヤ |
JP2008303330A (ja) * | 2007-06-08 | 2008-12-18 | Sumitomo Rubber Ind Ltd | ベース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 |
JP2008303328A (ja) * | 2007-06-08 | 2008-12-18 | Sumitomo Rubber Ind Ltd | 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 |
JP2009001680A (ja) * | 2007-06-21 | 2009-01-08 | Sumitomo Rubber Ind Ltd | ブレーカ用ゴム組成物およびそれを用いた空気入りタイヤ |
JP2010031110A (ja) * | 2008-07-28 | 2010-02-12 | Yokohama Rubber Co Ltd:The | タイヤ用ゴム組成物 |
JP2010254740A (ja) * | 2009-04-21 | 2010-11-11 | Bridgestone Corp | ゴム組成物及びそれを用いた空気入りタイヤ |
US8871832B2 (en) | 2010-02-26 | 2014-10-28 | The Yokohama Rubber Co., Ltd | Rubber composition for use in tire treads and pneumatic tire using the same |
JP2011174027A (ja) * | 2010-02-26 | 2011-09-08 | Yokohama Rubber Co Ltd:The | 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 |
JP2011178820A (ja) * | 2010-02-26 | 2011-09-15 | Yokohama Rubber Co Ltd:The | 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 |
JP2013028650A (ja) * | 2011-07-26 | 2013-02-07 | Sumitomo Rubber Ind Ltd | タイヤ用ゴム組成物及び空気入りタイヤ |
JP2014528021A (ja) * | 2011-09-26 | 2014-10-23 | コンパニー ゼネラール デ エタブリッスマン ミシュラン | 改良された湿潤地面上でのグリップ性を有するタイヤ |
JP2014534283A (ja) * | 2011-09-26 | 2014-12-18 | コンパニー ゼネラール デ エタブリッスマン ミシュラン | 湿潤地面上で改良されたグリップ性を有するタイヤ |
EP2760929B1 (fr) | 2011-09-26 | 2018-08-01 | Compagnie Générale des Etablissements Michelin | Pneumatique a adherence amelioree sur sol mouille |
EP2760930B1 (fr) | 2011-09-26 | 2019-01-16 | Compagnie Générale des Etablissements Michelin | Pneumatique a adherence amelioree sur sol mouille |
JP2018159078A (ja) * | 2013-11-27 | 2018-10-11 | 株式会社ブリヂストン | ゴム組成物及びタイヤ |
US10696823B2 (en) | 2013-11-27 | 2020-06-30 | Bridgestone Corporation | Rubber composition and tire |
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