WO2013046845A1 - タイヤ外層用ゴム組成物及び空気入りタイヤ - Google Patents

タイヤ外層用ゴム組成物及び空気入りタイヤ Download PDF

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Publication number
WO2013046845A1
WO2013046845A1 PCT/JP2012/067145 JP2012067145W WO2013046845A1 WO 2013046845 A1 WO2013046845 A1 WO 2013046845A1 JP 2012067145 W JP2012067145 W JP 2012067145W WO 2013046845 A1 WO2013046845 A1 WO 2013046845A1
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Prior art keywords
mass
parts
rubber composition
tire
less
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PCT/JP2012/067145
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English (en)
French (fr)
Japanese (ja)
Inventor
達也 宮崎
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住友ゴム工業株式会社
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Priority to KR1020147003249A priority Critical patent/KR20140068870A/ko
Priority to CN201280046056.XA priority patent/CN103814074B/zh
Priority to BR112014007054A priority patent/BR112014007054A2/pt
Publication of WO2013046845A1 publication Critical patent/WO2013046845A1/ja

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
    • B60C1/0016—Compositions of the tread
    • 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
    • B60C1/0025—Compositions of the sidewalls
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/01—Hydrocarbons
    • 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
    • C08K5/04—Oxygen-containing compounds
    • C08K5/07—Aldehydes; Ketones
    • C08K5/08—Quinones
    • 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
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/17—Amines; Quaternary ammonium compounds
    • C08K5/18—Amines; Quaternary ammonium compounds with aromatically bound amino groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
    • 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
    • B60C2001/005—Compositions of the bead portions, e.g. clinch or chafer rubber or cushion rubber
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
    • C08L91/06—Waxes

Definitions

  • the present invention relates to a rubber composition for an outer layer of a tire, and a pneumatic tire using the same.
  • a wax etc. are mix
  • the blended wax soaks out to the rubber surface, and by stretching the film on the rubber surface, it is possible to physically protect the rubber from the stimulation of ozone, oxygen and harmful gases.
  • the volume of the tread rubber shrinks easily after vulcanization and cooling to room temperature as compared with the state during vulcanization in the mold, and before the tire use air pressure is filled in the tread groove bottom. After being filled, it tends to cause tensile strain. When the rubber is pulled, it becomes susceptible to ozone attack, and tread groove cracks (TGC) tend to occur. Therefore, it is important to achieve both ozone resistance and white discoloration.
  • a method to improve ozone resistance a method using anti-aging agent 3PPD is known, but it is easier to bloom than 6PPD and 6QDI, and ozone resistance in a low temperature environment can be improved, but volatility It is difficult to secure ozone resistance for a long period of time because it is high and decreases quickly.
  • Patent Document 1 proposes that a specific wax be blended, there is a large room for improvement in ozone resistance in the low temperature area and the temperate area winter, and while obtaining excellent ozone resistance in a wide temperature area, There is a need for a technology that can suppress discoloration.
  • the present invention solves the above-mentioned problems and provides a rubber composition for an outer layer of a tire capable of satisfactorily suppressing discoloration while obtaining excellent ozone resistance in a wide environmental temperature range, and a pneumatic tire using the same. With the goal.
  • the present invention comprises each normal alkane having a carbon number of 20 to 32 and a phenylenediamine based antioxidant and / or a quinone based antioxidant, and the carbon number is 20 to 32 with respect to 100 parts by mass of a diene rubber component.
  • the total content of each normal alkane is 0.7 to 3.5 parts by mass, and the total content of the phenylenediamine based antioxidant and the quinone based antioxidant is 1.5 to 3 parts by mass It relates to a rubber composition.
  • the rubber composition for a tire outer layer contains a total of 0.1 parts by mass or less of each normal alkane having a carbon number of 48 or more with respect to 100 parts by mass of the diene rubber component.
  • the total content of each normal alkane having 20 to 32 carbon atoms is preferably 0.9 to 2.4 parts by mass with respect to 100 parts by mass of the diene rubber component. It is preferable to contain 15 parts by mass or less of process oil with respect to 100 parts by mass of the diene rubber component.
  • the tire outer layer rubber composition is preferably used as at least one selected from the group consisting of a tread, a sidewall, a wing, and a clinch apex.
  • the present invention also relates to a pneumatic tire produced using the rubber composition.
  • the total content of each normal alkane having 20 to 32 carbon atoms which contains each normal alkane having 20 to 32 carbon atoms, and a phenylenediamine based antioxidant and / or a quinone based antioxidant, is Since it is a rubber composition for a tire outer layer which is a specific amount, and the total content of the phenylenediamine anti-aging agent and the quinone-based anti-aging agent is also a specific amount, excellent ozone resistance in a wide environmental temperature range While being obtained, color change can be favorably suppressed.
  • the rubber composition for the outer layer of a tire according to the present invention comprises each normal alkane having 20 to 32 carbon atoms, a phenylenediamine based antioxidant and / or a quinone based antioxidant, and the above-mentioned carbon number for the diene based rubber component is 20 to
  • the total content of each of the 32 normal alkanes is a specific amount, and the total content of the phenylenediamine anti-aging agent and the quinone anti-aging agent is also a specific amount.
  • the rubber composition of the present invention is used for tire outer layer members such as treads, sidewalls, wings and clinch apexes.
  • diene rubber components include natural rubber (NR), highly purified natural rubber (Highly purified NR), epoxidized natural rubber (ENR), butadiene rubber (BR), styrene butadiene rubber (SBR), isoprene rubber ( IR), butyl rubber (IIR), acrylonitrile butadiene rubber (NBR), chloroprene rubber (CR), styrene isoprene butadiene rubber (SIBR), styrene isoprene rubber, isoprene butadiene rubber and the like, and these may be used alone. Two or more may be used in combination.
  • SBR or BR when applied to the tread, it is preferable to use SBR or BR because grip performance and breaking strength can be obtained well.
  • BR When applied to side walls and clinchapex, it is preferable to use BR because isoprene rubber such as NR and IR and crack growth are excellent because fracture strength is obtained well.
  • the SBR is not particularly limited, and for example, those modified with a conventionally known modifying agent (modified SBR) can be suitably used.
  • the bound styrene content of SBR is preferably 10% by mass or more, more preferably 20% by mass or more, from the viewpoint of improving grip performance. On the other hand, the content is preferably 45% by mass or less, more preferably 40% by mass or less, from the viewpoint of improving the wear resistance. In the present invention, the styrene content of SBR is calculated by H 1 -NMR measurement.
  • the content of SBR in 100% by mass of the diene rubber component is preferably 20% by mass or more, more preferably 60% by mass or more. If the amount is less than 20% by mass, grip performance may not be sufficiently obtained.
  • the content is preferably 90% by mass or less, more preferably 80% by mass or less. When it exceeds 90% by mass, sufficient abrasion resistance may not be obtained.
  • the BR is not particularly limited, but preferred is BR (hysis BR) in which the cis content of the double bond portion is 95 mol% or more.
  • the content of BR in 100% by mass of the diene rubber component is preferably 10% by mass or more, more preferably 20% by mass or more. If the amount is less than 10% by mass, sufficient abrasion resistance may not be obtained.
  • the content is preferably 80% by mass or less, more preferably 40% by mass or less. If it exceeds 80% by mass, sufficient grip performance may not be obtained.
  • the content of BR in 100% by mass of the diene rubber component is preferably 10% by mass or more, more preferably 30% by mass or more. If it is less than 10% by mass, crack growth and reversion resistance tend to be deteriorated.
  • the content is preferably 80% by mass or less, more preferably 50% by mass or less. If it exceeds 80% by mass, sufficient elongation at break and tearability may not be obtained.
  • the NR is not particularly limited.
  • common ones in the tire industry such as SIR20, RSS # 3, TSR20 and ENR25 can be used.
  • IR What is common in the tire industry can be used.
  • the content of isoprene-based rubber in 100% by mass of diene-based rubber component is preferably 20% by mass or more, more preferably 50% by mass or more. is there. If it is less than 20% by mass, mechanical strength may not be sufficiently obtained.
  • the content is preferably 90% by mass or less, more preferably 70% by mass or less. If it exceeds 90% by mass, crack growth may be deteriorated.
  • the rubber composition of the present invention contains each normal alkane having 20 to 32 carbon atoms. Thereby, ozone resistance in a temperature range of about 0 to 20 ° C. can be obtained well.
  • the total content of C20-32 normal alkanes is at least 0.7 parts by mass, preferably at least 0.9 parts by mass, per 100 parts by mass of the diene rubber component. If it is less than 0.7 parts by mass, sufficient ozone resistance may not be obtained in a temperature range of 20 ° C. or less.
  • the total content is 3.5 parts by mass or less, preferably 2.4 parts by mass or less. If the amount is more than 3.5 parts by mass, the discoloration resistance and the adhesiveness during molding may be reduced.
  • the rubber composition of the present invention usually contains each normal alkane having 33 to 44 carbon atoms. Thereby, ozone resistance in a temperature range of about 40 to 50 ° C. can be obtained well.
  • the total content of each normal alkane having a carbon number of 33 to 44 is preferably at least 0.45 parts by mass, more preferably at least 0.5 parts by mass, per 100 parts by mass of the diene rubber component. If the amount is less than 0.45 parts by mass, ozone resistance in a temperature range of about 40 to 50 ° C. may not be sufficiently obtained. Further, the total content is preferably 1.7 parts by mass or less, more preferably 1.6 parts by mass or less. If the amount is more than 1.7 parts by mass, the amount of the Bloom-deposited amount of the normal alkane having 33 to 44 carbon atoms in the temperature range of about 40 to 50 ° C. tends to be white.
  • the rubber composition of the present invention usually contains 45 to 47 carbons of each normal alkane, for convenience of the purification and production process of the wax described later.
  • the total content of the normal alkanes having 45 to 47 carbon atoms is preferably 0.01 parts by mass or more, and more preferably 0.05 parts by mass or more, with respect to 100 parts by mass of the diene rubber component. If the amount is less than 0.01 parts by mass, the crack resistance in a temperature range of about 60 ° C. tends to be slightly deteriorated.
  • the total content is preferably 1 part by mass or less, more preferably 0.15 parts by mass or less. If the amount is more than 1 part by mass, discoloration resistance (white discoloration) in a temperature range of about 60 ° C. tends to be deteriorated.
  • the rubber composition of the present invention preferably contains 0.1 parts by mass or less of a normal alkane having 48 or more carbon atoms with respect to 100 parts by mass of the diene rubber component.
  • a normal alkane having 48 or more carbon atoms with respect to 100 parts by mass of the diene rubber component.
  • the content of the normal alkane having a carbon number of 48 or more is more preferably 0.08 parts by mass or less with respect to 100 parts by mass of the diene rubber component. If the amount is more than 0.1 parts by mass, white discoloration may occur.
  • the total content of each normal alkane having 25 to 27 carbon atoms is preferably a specified amount.
  • the total content of each normal alkane having 25 to 27 carbon atoms is preferably 0.2 parts by mass or more, more preferably 0.5 parts by mass or more, with respect to 100 parts by mass of the diene rubber component. If the amount is less than 0.2 parts by mass, sufficient ozone resistance may not be obtained in a temperature range of about 10 ° C. Further, the total content is preferably 2 parts by mass or less, more preferably 1.8 parts by mass or less. If it exceeds 2 parts by mass, it tends to discolor.
  • a wax containing each C20-32 normal alkane may be blended.
  • the wax containing each normal alkane having 20 to 32 carbon atoms is not particularly limited, and a wax containing each normal alkane having 20 to 55 carbon atoms can be used. Among them, one having a content of 70% by mass or more of normal alkane in 100% by mass of wax can be suitably used because an excellent ozone resistance can be obtained, and one having a content of 80% by mass or more is more suitably used. it can.
  • the total content of each normal alkane having 20 to 32 carbon atoms in 100% by mass of the wax is preferably 30% by mass or more, more preferably 35% by mass or more, and still more preferably 40% by mass or more. If it is less than 30% by mass, ozone resistance may not be sufficiently obtained in a low temperature range of about 0 to 20 ° C. 90 mass% or less is preferable, and, as for this content, 65 mass% or less is more preferable. If it exceeds 90% by mass, white discoloration tends to occur in a low temperature range of about 0 to 20 ° C.
  • each normal alkane having 25 to 27 carbon atoms in the above 100% by mass wax is preferably 4.1% by mass or more, and more preferably 5% by mass or more. If it is less than 4.1 mass, the effect of improving the ozone resistance in a temperature range of about 10 ° C. may not be sufficiently obtained. Although the upper limit of this content is not specifically limited, 50 mass% or less is preferable, and 45 mass% or less is more preferable. If it exceeds 50% by mass, white discoloration tends to easily occur in a temperature range of about 10 ° C. In addition, there is a possibility that the ozone resistance in the temperature range of about 30 to 50 ° C. can not be sufficiently obtained.
  • the wax containing each normal alkane having the carbon number distribution as described above can be prepared, for example, by appropriately mixing known waxes.
  • phenylenediamine based antioxidants and / or quinone based antioxidants are used.
  • a specific amount of each of the specific antiaging agent and the normal alkane having a specific carbon number it is possible to obtain excellent ozone resistance in a wide temperature range and to well suppress the color change.
  • other anti-aging agents such as TMQ, although the color of the anti-aging agent itself is thin and discoloration does not become a major problem, there is a tendency that improvement effects such as ozone resistance can not be sufficiently obtained.
  • phenylenediamine-based antioxidants include N- (1,3-dimethylbutyl) -N'-phenyl-p-phenylenediamine, N-isopropyl-N'-phenyl-p-phenylenediamine, N, N'-diphenyl -P-phenylenediamine, N, N'-di-2-naphthyl-p-phenylenediamine, N-cyclohexyl-N'-phenyl-p-phenylenediamine, N, N'-bis (1-methylheptyl) -p -Phenylenediamine, N, N'-bis (1,4-dimethylpentyl) -p-phenylenediamine, N, N'-bis (1-ethyl-3-methylpentyl) -p-phenylenediamine, N-4- Methyl-2-pentyl-N'-phenyl-p-phenylenediamine
  • quinone anti-aging agent examples include benzoquinones, hydroquinones, catechols, quinone diimines, quinomethanes, quinodimethane anti-aging agents and the like. Among them, quinone diimine anti-aging agents are preferable.
  • N- (1,3-dimethylbutyl) -N'-phenylquinone diimine (6QDI) is preferable.
  • the total content of the phenylenediamine based antioxidant and the quinone based antioxidant is 1.5 parts by mass or more, preferably 2 parts by mass or more, with respect to 100 parts by mass of the diene rubber component. If the amount is less than 1.5 parts by mass, sufficient ozone resistance may not be obtained.
  • the content is 3 parts by mass or less, preferably 2.8 parts by mass or less. If it exceeds 3 parts by mass, it tends to discolor (brown).
  • the rubber composition of the present invention preferably contains carbon black. Thereby, the reinforcing effect and the ultraviolet ray preventing effect can be obtained, and the effect of the present invention can be obtained well.
  • the content of carbon black is preferably 0.2 to 20 parts by mass, more preferably 2 to 20 parts by mass with respect to 100 parts by mass of a diene rubber component. is there. Within the above range, the reinforcing effect and the ultraviolet ray preventing effect can be obtained, and the effect of the present invention can be obtained well.
  • the content of carbon black is preferably 10 to 50 parts by mass with respect to 100 parts by mass of the diene rubber component.
  • a reinforcement effect is acquired as it is in the said range, and the effect of this invention is acquired favorably.
  • the rubber composition of the present invention preferably contains silica. Thereby, good fuel economy can be obtained.
  • the silica is not particularly limited, and, for example, dry method silica (anhydrous silica), wet method silica (hydrous silica) and the like can be used.
  • dry method silica anhydrous silica
  • wet method silica hydrophilic silica
  • hydrophilic silica hydrophilic silica
  • the content of silica is preferably 20 parts by mass or more, more preferably 60 parts by mass or more, with respect to 100 parts by mass of a diene rubber component.
  • the content is preferably 120 parts by mass or less, more preferably 80 parts by mass or less.
  • the lower limit of the content of silica is not particularly limited, but preferably 0.1 parts by mass or more with respect to 100 parts by mass of the diene rubber component. is there.
  • the content is preferably 30 parts by mass or less, more preferably 20 parts by mass or less. When the content is in the above range, good elongation at break, low fuel consumption and processability can be obtained.
  • silica when silica is used, it is preferable to use a silane coupling agent.
  • the rubber composition of the present invention can be suitably used particularly as a silica-containing rubber composition in terms of TGC and the like, for example, when the rubber composition is applied to a tread, 100% by mass in total of silica and carbon black
  • the content ratio of silica is preferably 60% by mass or more, more preferably 65% by mass or more, and still more preferably 70% by mass or more.
  • an upper limit is not specifically limited, 100 mass% may be sufficient.
  • the content of silica in the total 100% by mass of silica and carbon black is preferably 5% by mass or more, more preferably 10% by mass. It is above.
  • the upper limit is not particularly limited, but is preferably 40% by mass or less, more preferably 20% by mass or less.
  • a process oil may be blended.
  • the process oil for example, paraffin-based process oil, aroma-based process oil, naphthene-based process oil and the like can be used.
  • the content of the process oil is preferably 15 parts by mass or less with respect to 100 parts by mass of the diene rubber component. If it exceeds 15 parts by mass, it tends to be discolored.
  • the lower limit of the content is not particularly limited, but is preferably 2 parts by mass or more, more preferably 5 parts by mass or more. If the amount is less than 2 parts by mass, processability may be degraded.
  • compounding agents generally used in the production of rubber compositions such as C5 petroleum resin, coumarone indene resin, ⁇ -methylstyrene and / or styrene are polymerized.
  • An aromatic vinyl polymer, stearic acid, zinc oxide, a vulcanizing agent, a vulcanization accelerator and the like obtained by
  • the above-mentioned components are kneaded using a rubber kneading apparatus such as an open roll or a Banbury mixer and then vulcanized. It can be manufactured.
  • a rubber kneading apparatus such as an open roll or a Banbury mixer
  • the rubber composition of the present invention can be used without particular limitation as long as it is an outer layer member of a tire, but as described above, can be suitably used for a tread, a sidewall, a wing, and a clinch apex.
  • the pneumatic tire of the present invention can be produced by the usual method using the above rubber composition. That is, the above rubber composition is extruded at the unvulcanized stage according to the shape of each outer layer member (tread, sidewall, wing, clinchapex, etc.) of the tire, and the usual method is carried out on the tire molding machine It can be molded and bonded together with other tire members to form an unvulcanized tire.
  • the unvulcanized tire can be heated and pressurized in a vulcanizer to produce a tire.
  • High cis BR (CB25): BUNA-CB25 manufactured by LANXESS (BR synthesized using Nd catalyst, cis content: 96%) Modified SSBR (HPR 355): HPR 355 (modified S-SBR, styrene content: 27% by mass, vinyl content 55% by mass) manufactured by JSR Corporation TSR20: NR (TSR20) Carbon black (N220): Show black N220 (N 2 SA: 120 m 2 / g, DBP oil absorption: 115 ml / 100 g) manufactured by Cabot Japan Ltd.
  • SA 85 Aromatic vinyl polymer
  • SA 85 SYLVARES SA 85 (copolymer of ⁇ -methylstyrene and styrene, softening point: 85 ° C., Mw: 1000) manufactured by Arizona chemical Process oil: H & R vivatec 500 (TDAE)
  • Stearic acid Stearic acid "Nuka” manufactured by NOF Corporation
  • Zinc flower Ginkgo R manufactured by Toho Zinc Co., Ltd.
  • Silane coupling agent Si75 (bis (3-triethoxysilylpropyl) disulfide) manufactured by Evonik Degussa Powdered sulfur containing 5% oil: HK-200-5 (5% oil content) manufactured by Hosoi Chemical Industry Co., Ltd. 10% oil-containing insoluble sulfur: Seimi Sulfur (60% insoluble in carbon disulfide, 10% oil) manufactured by Nippon Denryo Kogyo Co., Ltd.
  • Vulcanization accelerator Noxceler D (N, N'-diphenyl guanidine) manufactured by Ouchi Emerging Chemical Industry Co., Ltd.
  • Wax 1 Prototype 1 (normal alkane content: 85% by mass on average)
  • Wax 2 Prototype 2 (normal alkane content: average 87% by mass)
  • Wax 3 Prototype 3 (normal alkane content: 81% by mass on average)
  • Wax 4 sorbitan monostearate (Lonza Chemical Company manufactured Glycomul S TM)
  • 6PPD Antigen 6C (N- (1,3-dimethylbutyl) -N'-phenyl-p-phenylenediamine) manufactured by Sumitomo Chemical Co., Ltd.
  • 6QDI 6QDI (N- (1,3-dimethylbutyl) -N'-phenylquinonediimine) manufactured by Flexis.
  • TMQ Nouchi 224 manufactured by Ouchi Emerging Chemical Industry Co., Ltd. (2,2,4-trimethyl-1,2-dihydroquinoline polymer)
  • the carbon number distribution of the wax was measured by the following method. The results are shown in FIG. 1 and Table 4.
  • Example and Comparative Example According to the formulation shown in the upper part of Tables 1 to 3, chemicals other than sulfur and a vulcanization accelerator were kneaded using a 1.7 L Banbury mixer manufactured by Kobe Steel, Ltd. Next, using an open roll, sulfur and a vulcanization accelerator were added to the obtained kneaded product and kneaded to obtain an unvulcanized rubber composition. Using the obtained unvulcanized rubber composition, members to be the tread portion, the sidewall portion and the clinch apex are produced to produce a green tire, which is vulcanized at 170 ° C. to test a tire (205 / 65R15) was obtained. The performance of the obtained test tire was evaluated by the following test.

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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)
  • Tires In General (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
PCT/JP2012/067145 2011-09-26 2012-07-05 タイヤ外層用ゴム組成物及び空気入りタイヤ WO2013046845A1 (ja)

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KR1020147003249A KR20140068870A (ko) 2011-09-26 2012-07-05 타이어 외층용 고무 조성물 및 공기 타이어
CN201280046056.XA CN103814074B (zh) 2011-09-26 2012-07-05 轮胎外层用橡胶组合物及充气轮胎
BR112014007054A BR112014007054A2 (pt) 2011-09-26 2012-07-05 composição de borracha para camada externa de pneu, e pneu

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JP2011209569 2011-09-26
JP2011-209569 2011-09-26
JP2012-139877 2012-06-21
JP2012139877A JP5391312B2 (ja) 2011-09-26 2012-06-21 タイヤ外層用ゴム組成物及び空気入りタイヤ

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EP2821247A1 (de) 2013-07-03 2015-01-07 Continental Reifen Deutschland GmbH Kautschukmischung und Fahrzeugluftreifen
EP2821246A1 (de) 2013-07-03 2015-01-07 Continental Reifen Deutschland GmbH Kautschukmischung und Fahrzeugluftreifen
JP2015013956A (ja) * 2013-07-05 2015-01-22 住友ゴム工業株式会社 空気入りタイヤ
JP2015013955A (ja) * 2013-07-05 2015-01-22 住友ゴム工業株式会社 タイヤ用ゴム組成物及び空気入りタイヤ
CN106832448A (zh) * 2017-02-22 2017-06-13 双钱集团上海轮胎研究所有限公司 一种用于制备高性能轮胎的胎面胶
JP6321835B1 (ja) * 2017-01-16 2018-05-09 住友ゴム工業株式会社 ワックス、ゴム組成物及び空気入りタイヤ
JP2019196436A (ja) * 2018-05-09 2019-11-14 住友ゴム工業株式会社 タイヤ用ゴム組成物及び空気入りタイヤ
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