WO2007077788A1 - トレッド用ゴム組成物 - Google Patents
トレッド用ゴム組成物 Download PDFInfo
- Publication number
- WO2007077788A1 WO2007077788A1 PCT/JP2006/325763 JP2006325763W WO2007077788A1 WO 2007077788 A1 WO2007077788 A1 WO 2007077788A1 JP 2006325763 W JP2006325763 W JP 2006325763W WO 2007077788 A1 WO2007077788 A1 WO 2007077788A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- rubber
- tread
- weight
- tire
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L21/00—Compositions of unspecified rubbers
-
- 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
- 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
-
- 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
Definitions
- the present invention relates to a rubber composition for a tread.
- BR butadiene rubber
- studless tires which are tires for running on ice
- the stud effect of the studless tire could not be obtained in the end due to the contradictory effect that the rigidity of the studless tire decreased when the siding was increased.
- JP-A-2005-225905 and JP-A-2005-247899 disclose Syndiota A rubber composition for tires containing butadiene rubber (VCR412, manufactured by Ube Industries, Ltd.) in which butadiene 1,2 polybutadiene is dispersed is disclosed, but syndiotactic 1,2 polybutadiene in butadiene rubber is disclosed.
- the average primary particle size of (250 nm) was large and not sufficiently dispersed, so that sufficient performance could not be obtained. Disclosure of the invention
- a first invention of the present invention is a rubber composition for a tread in which the balance of wear resistance, chip cut resistance and heat generation of the tread is improved, particularly a rubber composition suitable for a tread of a heavy load tire.
- the purpose is to provide.
- the second invention of the present invention is suitable for a tread rubber composition in which the balance of on-ice performance, elongation characteristics and hardness of the tread is improved, particularly for a tread of a studless tire and further a studless tire for heavy load. It is an object to provide a rubber composition.
- the first aspect of the present invention has an average primary particle diameter is less than lOOnm syndiotactic - 1, 2-polybutadiene is 10 to 30 weight 0/0 contained in the rubber component of butadiene rubber dispersed,
- the present invention relates to a rubber composition for a trade containing carbon black having a nitrogen adsorption specific surface area of 120 to 170 m 2 / g.
- Rubber thread ⁇ product for the tread, further natural rubber, in the rubber component 40 weight 0/0 or more free Mukoto are preferred.
- the present invention also relates to a tire having a tread comprising the rubber thread for a tread of the first invention and a composition.
- Such tires are suitable for heavy duty tires such as nose and truck tires.
- Shinjiota Kuchikku 1 average primary particle size of less LOOnm, 2 studless polybutadiene is 10 to 30 wt 0/0 contained in butadiene rubber a rubber component dispersed
- the present invention relates to a rubber composition for a tread used for a tire.
- the rubber composition for a tread used for the studless tire preferably further includes natural rubber in an amount of 40% by weight or more in the rubber component U.
- the present invention also relates to a studless tire having a tread made of the rubber thread for a tread according to the second aspect of the present invention.
- Such tires are suitable for heavy duty studless tires such as bus and truck tires.
- a butadiene rubber in which syndiotactic 1,2-polybutadiene having an average primary particle size of lOOnm or less is dispersed (hereinafter referred to as "SPB-containing BR") the that are common in that use 10 30 weight 0/0 containing to a rubber composition in the rubber component.
- BR butadiene rubber
- SPB syndiotactic 1, 2 polybutadiene
- the average primary particle diameter of SPB in BR is lOOnm or less, preferably 50nm or less. If the average primary particle diameter of SPB exceeds lOOnm, the effect of sufficiently improving the physical properties due to the inclusion of SPB in BR cannot be obtained.
- the lower limit of the average primary particle diameter of SPB is lOnm, and is further preferably 20 nm from the viewpoint of easy availability.
- the average primary particle size of SPB in BR was measured as an average value of absolute maximum lengths obtained by image analysis of transmission electron micrographs.
- SPB content The content of SPB in BR is preferably 10% by weight or more, more preferably 12% by weight or more. If the content is less than 10% by weight, sufficient reinforcing properties cannot be obtained, and the cut resistance tends not to be improved.
- the SPB content in the SPB-containing BR is preferably 50% by weight or less, more preferably 40% by weight or less, and even more preferably 20% by weight or less. If the content exceeds 50% by weight, the processability tends to deteriorate, and there is a tendency that sufficient chip cut resistance cannot be obtained.
- the SPB content in the SPB-containing BR is indicated by the amount of boiling n xane insoluble matter.
- the SPB in the SPB-containing BR is preferably a crystal from the viewpoint of imparting reinforcing properties in the tire operating temperature region such as a normal temperature car.
- the method for producing the SPB-containing BR satisfying the above conditions is not particularly limited, and can be produced by the production method disclosed in JP-A-2005-247899. Next, the rubber composition for a tread according to the first aspect of the present invention will be described.
- the content of SPB-containing BR in the rubber component is 10% by weight or more, preferably 15% by weight or more. If the content is less than 10% by weight, sufficient rubber reinforcement cannot be obtained.
- the content of SPB-containing BR in the rubber component is 30% by weight or less, preferably 25% by weight or less. If the content exceeds 30% by weight, the rubber hardness will increase significantly and the chip cut resistance will decrease.
- the rubber thread and composition for treads of the first invention further comprises natural rubber (hereinafter referred to as "NR" as a rubber component).
- NR natural rubber
- the content of NR in the rubber component is preferably 40% by weight or more, more preferably 50% by weight or more. If the content is less than 40% by weight, there is a tendency to be disadvantageous in chip cut resistance, pattern and chipping.
- the NR content is preferably 90% by weight or less, more preferably 80% by weight or less. If the content exceeds S90% by weight, the wear resistance tends to decrease and the crack growth resistance tends to be insufficient.
- the SPB-containing BR and NR mentioned above do not contain syndiotactic 1,2-polybutadiene as the rubber component! /, General butadiene rubber (BR), styrene- Butadiene rubber (hereinafter also referred to as “SBR”) may be blended together.
- BR General butadiene rubber
- SBR styrene- Butadiene rubber
- the rubber composition for a tread of the first invention includes carbon rubber having a nitrogen adsorption specific surface area (NSA) of 120 to 170 m 2 / g as a reinforcing filler together with the rubber component.
- NSA nitrogen adsorption specific surface area
- N SA nitrogen adsorption specific surface area
- N SA is less than 120 m 2 / g
- N SA is 170m 2 / g
- the carbon black content is preferably 30 to 60 parts by weight per 100 parts by weight of the rubber component.
- the content is less than 30 parts by weight, there is a tendency that sufficient wear resistance cannot be obtained.
- the content exceeds 60 parts by weight, the rubber tends to generate heat, which tends to be disadvantageous for tire damage.
- Carbon black with NSA less than 120 m 2 / g may be used in combination.
- Silica may be used in combination as a reinforcing filler.
- silica general silica such as VN3 can be used, and there is no particular limitation.
- the content of silica is preferably 10 to 50 parts by weight with respect to 100 parts by weight of the rubber component. If the content is less than 10 parts by weight, the silica compounding effect tends to be insufficient. Further, if the content exceeds 50 parts by weight, it tends to be disadvantageous for wear resistance.
- the rubber composition for a tread of the first invention preferably contains polyethylene glycol (PEG) from the viewpoint of improving processability.
- PEG polyethylene glycol
- the content of PEG is preferably 0.1 to 5 parts by weight with respect to 100 parts by weight of the rubber component. If the content is less than 0.1 part by weight, the blending effect of PEG tends to be insufficient. On the other hand, if the content exceeds 5 parts by weight, it tends to be disadvantageous for wear resistance.
- the rubber composition for treads of the first invention includes stearic acid, anti-aging agents, waxes, zinc oxide, vulcanizing agents, and vulcanization accelerators commonly used in the rubber industry. Etc. can be blended.
- the rubber composition for a tread of the first invention is used for manufacturing a tire by an ordinary method. That is, an unvulcanized rubber composition obtained by kneading a rubber component, a reinforcing filler, etc. is extruded according to the shape of the tread, and further bonded to another tire member to form a tire.
- a tire can be manufactured by forming an unvulcanized tire on a molding machine and further vulcanizing the unvulcanized tire in a vulcanizer.
- a heavy load tire such as a bus or a truck is suitable, and the balance of wear resistance, chip cut resistance and heat generation is improved. Tires can be provided.
- Shinjiotaku Chick 1 average primary particle size of less LOOnm, 2 studless polybutadiene is 10 to 30 wt 0/0 contained in butadiene rubber a rubber component dispersed
- the present invention relates to a rubber composition for a tread used for a tire.
- the second invention of the present invention is that a studless tire having a tread rubber composition containing a specific amount of SPB-containing BR has not been known so far. It has been found that the balance between properties and hardness is improved.
- the rubber thread for a tread used in the second invention of the present invention is composed of carbon black to be blended. Since the same components as those of the rubber composition for a tread of the first invention can be adopted except for the points that are not particularly limited, the description of the first invention is also cited in the second invention.
- Carbon black that can be blended in the second invention includes nitrogen adsorption specific surface area (N SA).
- N SA is 170m
- the rubber composition for a tread of the second invention used as a studless tire is further blended with calcium carbonate particles.
- the calcium carbonate particles themselves have the effect of pulling the snow and ice road surface, and (2) they are present in the calcium carbonate particles.
- calcium carbonate-based particles those generally sold on the market can be used, but in particular, calcium carbonate-based particles (biologically derived calcium carbonate-based particles) obtained with vitality are preferable.
- Examples of the calcium carbonate-based particles derived from a living body include eggshell powder (eg, chicken egg powder).
- eggshell powder is preferable as the biologically derived calcium carbonate-based particles because it can be supplied in large quantities and can be obtained at the lowest cost.
- the average primary particle size of the calcium carbonate-based particles is preferably 5 ⁇ m or more, more preferably 10 ⁇ m or more. If the average primary particle size is less than 5 m, the dropout holes of the particles will be too small, so it will not be possible to improve the water absorption effect and the pulling effect, and the performance on ice will tend to decrease. There is.
- the average primary particle diameter of the calcium carbonate particles is preferably 150 m or less, more preferably 100 ⁇ m or less. When the average primary particle size exceeds 150 ⁇ m, the wear resistance and the hardness and strength of the rubber tend to be remarkably reduced.
- the content of the calcium carbonate-based particles is preferably 5 parts by weight or more and more preferably 10 parts by weight or more with respect to 100 parts by weight of the rubber component. If the content of calcium carbonate particles is less than 5 parts by weight, the on-ice performance tends to be insufficient because the number of generated pores is not sufficient. Further, the content of the calcium carbonate-based particles is preferably 25 parts by weight or less and more preferably 20 parts by weight or less with respect to 100 parts by weight of the rubber component. When the content of the calcium carbonate particles exceeds 25 parts by weight, the wear resistance and the breaking strength of rubber tend to be remarkably lowered.
- the tire according to the second aspect of the present invention is suitably used as a studless tire, particularly as a heavy load tire such as a nose or a truck.
- VCR412 Ube Industries, Ltd. (syndiotactic 1 dispersed, 2 BR having a polybutadiene crystal, syndiotactic 1, 2-polybutadiene content: 12 wt 0/0, the average of the syndiotactic 1, 2 polybutadiene crystal (Primary particle size: 250nm)
- VCR Prototype Prototype manufactured by Ube Industries, Ltd. (BR with dispersed syndiotactic 1,2-polybutadiene crystals, syndiotactic 1,2-polybutadiene content: 12% by weight, syndiotactic 1, 2 Average primary particle size of polybutadiene crystal: 43nm)
- CB N220 Carbon black N220 manufactured by Mitsubishi Chemical Corporation (N SA: 115mVg)
- Silica VN3 Silicon dioxide made by Deggusa
- Eggshell powder manufactured by Kewpie Co., Ltd. (average primary particle size: 50 m)
- Zinc oxide Toho Zinc Co., Ltd.
- Stearic acid manufactured by Nippon Oil & Fat Co., Ltd.
- Anti-aging agent 6C manufactured by Seige Chemical Co., Ltd.
- Wax Ozoace wax manufactured by Nippon Seisen Co., Ltd.
- PEG PEG 4000 manufactured by NOF Corporation
- Powdered sulfur manufactured by Tsurumi Chemical Co., Ltd.
- Accelerator NS Vulcanization accelerator manufactured by Ouchi Shinsei Chemical Industry Co., Ltd .: TBBS
- the average primary particle size of the VCR412 and VCR prototypes was measured as an average value of the absolute maximum length by image analysis processing of a transmission electron microscope photograph.
- N SA nitrogen adsorption specific surface area
- the measurement was performed according to the method for obtaining the specific surface area of the deposition method.
- the obtained ripening liquid is supplied to a stainless cis polymerization tank with a stirrer having a capacity of 5 L maintained at 40 ° C.
- This cis polymerization tank contains cobalt octoate (cobalt octoate 0.0117mmolZL, n-hexane solution) and molecular weight regulator 1,2-butadiene (1,2-butadiene 8.2mmolZL, 1.535molZL). n-hexane solution).
- the obtained cis polymerization liquid was supplied to a 5 L stainless steel 1,2-polybutadiene polymerization tank equipped with a ribbon stirrer and polymerized continuously at 35 ° C for 10 hours.
- This 1,2-polybutadiene polymerization tank was continuously fed with triethylaluminum (10 wt% n-hexane solution, 4.09 mmolZL).
- the obtained polymerization liquid is supplied to a mixing tank equipped with a stirrer, and 1 part by weight of 2,6-di-t-butyl-p-talezole is added to 100 parts by weight of rubber, and a small amount of methanol is added.
- the unreacted 1,3-butadiene and C4 fractions were removed by evaporation and vacuum dried at room temperature to produce a VCR prototype. 8. Obtained 3kg.
- Each test piece that had been cut out of the test tire force was subjected to air heat aging with a gear-oven tester at 80 ° C for 10 days, and then a tensile test according to JIS K6251 was conducted to determine the breaking strength (TB) of the test piece. And the elongation at break (EB) was measured. Then, the numerical value of the product of the obtained breaking strength and elongation at break (TB X EB) was calculated, and the product was indexed according to the following formula to evaluate the chip cut resistance. The higher the index, the better.
- Test pieces were cut out from the studless tires, subjected to a tensile test according to JIS K6251, and measured for elongation at break.
- the elongation at break was indicated by an index according to the following formula, and the elongation was evaluated.
- the driver performed sensory evaluation for starting, accelerating and stopping the truck.
- the stop distance is displayed as an index with other stop distances being set as Comparative Example 17 as 100, and also for sensory evaluation.
- the performance index on ice was calculated by taking the average of these results after evaluating the others with Comparative Example 17 as 100.
- the hardness of the test piece cut out from the studless tire force was measured under the measurement condition of 0 ° C.
- the wear resistance and tip resistance of the tread are increased.
- the balance between cut property and heat generation property can be improved.
- a specific amount of butadiene rubber having syndiotactic 1, 2 polybutadiene having a small average primary particle diameter is contained in a rubber thread for a tread and a composition.
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)
- Compositions Of Macromolecular Compounds (AREA)
- Tires In General (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06843167A EP1961785A4 (en) | 2006-01-06 | 2006-12-25 | RUBBER COMPOSITION FOR PROFILE |
US12/086,598 US20100168312A1 (en) | 2006-01-06 | 2006-12-25 | Rubber Composition for Tread |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006-001704 | 2006-01-06 | ||
JP2006001704 | 2006-01-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007077788A1 true WO2007077788A1 (ja) | 2007-07-12 |
Family
ID=38228143
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2006/325763 WO2007077788A1 (ja) | 2006-01-06 | 2006-12-25 | トレッド用ゴム組成物 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20100168312A1 (ja) |
EP (1) | EP1961785A4 (ja) |
CN (1) | CN101356223A (ja) |
RU (1) | RU2394051C2 (ja) |
WO (1) | WO2007077788A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101676323B (zh) * | 2008-09-19 | 2012-11-07 | 住友橡胶工业株式会社 | 用于轮胎的橡胶组合物 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4638950B2 (ja) | 2008-09-01 | 2011-02-23 | 住友ゴム工業株式会社 | スタッドレスタイヤ用ゴム組成物及びスタッドレスタイヤ |
JP4902611B2 (ja) | 2008-09-01 | 2012-03-21 | 住友ゴム工業株式会社 | スタッドレスタイヤ用ゴム組成物及びスタッドレスタイヤ |
JP4964851B2 (ja) * | 2008-09-01 | 2012-07-04 | 住友ゴム工業株式会社 | スタッドレスタイヤ |
US8695663B2 (en) * | 2011-12-20 | 2014-04-15 | The Goodyear Tire & Rubber Company | Tire component containing syndiotactic-1,2-polybutadiene |
JP5638041B2 (ja) | 2012-07-25 | 2014-12-10 | 住友ゴム工業株式会社 | タイヤ用ゴム組成物、タイヤ部材、及び空気入りタイヤ |
CN104672529A (zh) * | 2013-11-28 | 2015-06-03 | 招远市东晟橡胶制品有限公司 | 一种橡胶耐磨轮胎胎面 |
JP6079830B2 (ja) * | 2015-07-02 | 2017-02-15 | 横浜ゴム株式会社 | タイヤトレッド用ゴム組成物 |
FR3039556A1 (fr) * | 2015-07-29 | 2017-02-03 | Michelin & Cie | Pneumatique d'avion |
RU2677170C1 (ru) * | 2017-11-29 | 2019-01-15 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Российский экономический университет имени Г.В. Плеханова" (ФГБОУ ВО "РЭУ им. Г.В. Плеханова") | Резиновая смесь для производства протектора шин |
JP2022165219A (ja) * | 2021-04-19 | 2022-10-31 | 住友ゴム工業株式会社 | 重荷重用タイヤ |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06199103A (ja) * | 1992-09-29 | 1994-07-19 | Bridgestone Corp | 重車両用空気入りタイヤ |
JPH11172044A (ja) * | 1997-12-12 | 1999-06-29 | Toyo Tire & Rubber Co Ltd | スタッドレスタイヤ用ゴム組成物 |
JP2005225905A (ja) * | 2004-02-10 | 2005-08-25 | Sumitomo Rubber Ind Ltd | ゴム組成物およびそれを用いた空気入りタイヤ |
JP2005247899A (ja) * | 2004-03-01 | 2005-09-15 | Ube Ind Ltd | ゴム組成物 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2662172B2 (ja) * | 1993-09-29 | 1997-10-08 | 住友ゴム工業株式会社 | タイヤのビード部補強用ゴム組成物 |
EP1470937A1 (de) * | 2003-04-24 | 2004-10-27 | Continental Aktiengesellschaft | Kautschukmischung und Fahrzeugluftreifen mit einer solchen Mischung |
KR100841792B1 (ko) * | 2003-12-12 | 2008-06-27 | 우베 고산 가부시키가이샤 | 비닐·시스-폴리부타디엔 고무 및 이것을 이용한 부타디엔고무 조성물 |
-
2006
- 2006-12-25 RU RU2008131902/04A patent/RU2394051C2/ru not_active IP Right Cessation
- 2006-12-25 US US12/086,598 patent/US20100168312A1/en not_active Abandoned
- 2006-12-25 EP EP06843167A patent/EP1961785A4/en not_active Withdrawn
- 2006-12-25 CN CNA2006800504223A patent/CN101356223A/zh active Pending
- 2006-12-25 WO PCT/JP2006/325763 patent/WO2007077788A1/ja active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06199103A (ja) * | 1992-09-29 | 1994-07-19 | Bridgestone Corp | 重車両用空気入りタイヤ |
JPH11172044A (ja) * | 1997-12-12 | 1999-06-29 | Toyo Tire & Rubber Co Ltd | スタッドレスタイヤ用ゴム組成物 |
JP2005225905A (ja) * | 2004-02-10 | 2005-08-25 | Sumitomo Rubber Ind Ltd | ゴム組成物およびそれを用いた空気入りタイヤ |
JP2005247899A (ja) * | 2004-03-01 | 2005-09-15 | Ube Ind Ltd | ゴム組成物 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1961785A4 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101676323B (zh) * | 2008-09-19 | 2012-11-07 | 住友橡胶工业株式会社 | 用于轮胎的橡胶组合物 |
Also Published As
Publication number | Publication date |
---|---|
US20100168312A1 (en) | 2010-07-01 |
RU2008131902A (ru) | 2010-02-20 |
RU2394051C2 (ru) | 2010-07-10 |
EP1961785A4 (en) | 2009-10-21 |
EP1961785A1 (en) | 2008-08-27 |
CN101356223A (zh) | 2009-01-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2007077788A1 (ja) | トレッド用ゴム組成物 | |
EP2944669B1 (en) | Rubber composition and pneumatic tire | |
EP2985311B1 (en) | Tire rubber composition and pneumatic tire | |
JP5466667B2 (ja) | タイヤ用ゴム組成物及び空気入りタイヤ | |
JP7140212B2 (ja) | 空気入りタイヤ | |
JP5480781B2 (ja) | ベーストレッド用ゴム組成物及び空気入りタイヤ | |
US10472501B2 (en) | Rubber composition for tire tread and method for producing the same | |
WO2016076422A1 (ja) | 加硫ゴム組成物の製造方法、加硫ゴム組成物およびそれを用いたスタッドレスタイヤ | |
JP2007204735A (ja) | トレッド用ゴム組成物 | |
JP4477386B2 (ja) | ゴム組成物の製造方法 | |
JP7159566B2 (ja) | タイヤ用ゴム組成物 | |
WO2007077787A1 (ja) | サイドウォール用ゴム組成物 | |
JP3384794B2 (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 | |
JP2006188571A (ja) | ゴム組成物およびそれからなるタイヤ | |
JP5920544B2 (ja) | タイヤ用ゴム組成物 | |
JP2003213045A (ja) | ゴム組成物およびそれを用いたタイヤ | |
JP2005232221A (ja) | ベーストレッド用ゴム組成物および空気入りタイヤ | |
JP6442241B2 (ja) | 加硫ゴム組成物の製造方法、加硫ゴム組成物およびそれを用いたスタッドレスタイヤ | |
JP2016145340A (ja) | 空気入りタイヤの製造方法、トラック・バスタイヤの製造方法、及びスタッドレスタイヤの製造方法 | |
JP2003183442A (ja) | ゴム組成物およびそれを用いたタイヤ | |
JP2005194418A (ja) | 空気入りタイヤ用ゴム組成物 | |
JP2005068211A (ja) | タイヤトレッド用ゴム組成物 | |
JP2007204734A (ja) | サイドウォール用ゴム組成物 | |
JP3410984B2 (ja) | ゴム組成物 | |
JP3905058B2 (ja) | タイヤ用ゴム組成物 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2006843167 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2366/KOLNP/2008 Country of ref document: IN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 12086598 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 200680050422.3 Country of ref document: CN |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 2008131902 Country of ref document: RU Kind code of ref document: A |