WO2014157335A1 - タイヤ用ゴム組成物 - Google Patents
タイヤ用ゴム組成物 Download PDFInfo
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- WO2014157335A1 WO2014157335A1 PCT/JP2014/058528 JP2014058528W WO2014157335A1 WO 2014157335 A1 WO2014157335 A1 WO 2014157335A1 JP 2014058528 W JP2014058528 W JP 2014058528W WO 2014157335 A1 WO2014157335 A1 WO 2014157335A1
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- WIPO (PCT)
- Prior art keywords
- rubber
- weight
- rubber composition
- wal
- tire
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-
- 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
- C08K3/346—Clay
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—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
-
- 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
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
Definitions
- the present invention relates to a rubber composition for tires that is improved in rubber hardness, strength, and processability to a conventional level or more.
- clay is sometimes blended in a tire rubber composition for the purpose of securing an effect of increasing weight (cost reduction) and molding stability.
- the rubber composition containing clay instead of carbon black has a problem that the rubber hardness and strength are reduced as compared with the rubber composition containing carbon black.
- Patent Document 1 proposes a rubber composition for a tire tread in which clay having an average particle diameter of 10 ⁇ m or less and carbon black having a nitrogen adsorption specific surface area of 70 to 300 m 2 / g are blended.
- the rubber composition containing clay having an average particle diameter of 10 ⁇ m or less may deteriorate its processability, and a tire rubber composition that has both rubber hardness, strength and processability has not yet been established. Absent.
- An object of the present invention is to provide a rubber composition for a tire in which rubber hardness, strength and processability are improved to a conventional level or more while blending clay.
- the inorganic filler comprises The particles having a particle diameter of 5 ⁇ m or less are 20 to 80%, and when the aluminum content in the inorganic filler is Wal wt% and the silicon content is Wsi wt%, the aluminum content Wal is 11 to 40 wt%, The ratio Wal / (Wal + Wsi) ⁇ 100 of aluminum to the total of aluminum and silicon is 15 to 38% by weight.
- the rubber composition for tires of the present invention is formulated with a specific inorganic filler that limits the particle size and the aluminum and silicon content, so that the rubber hardness, strength and processability can be improved to a level higher than conventional levels. it can.
- the carbon black preferably has a nitrogen adsorption specific surface area of 15 to 40 m 2 / g and a DBP absorption of 50 to 120 ml / 100 g.
- the pneumatic tire in which the bead portion is formed using the rubber composition for a tire of the present invention can be manufactured by stably maintaining the high quality of a pneumatic tire having excellent tire performance.
- FIG. 1 is a partial cross-sectional view in the tire meridian direction showing an example of an embodiment of a pneumatic tire using the rubber composition for a tire of the present invention.
- FIG. 1 shows an example of an embodiment of a pneumatic tire using a tire rubber composition in a tread portion, and includes a tread portion 1, a sidewall portion 2, and a bead portion 3.
- the bead part 3 uses the rubber composition for tires of the present invention.
- two carcass layers 4 in which reinforcing cords extending in the tire radial direction are arranged at predetermined intervals in the tire circumferential direction between the left and right bead portions 3 and embedded in a rubber layer are extended.
- the portion is folded back from the inner side in the tire axial direction so as to sandwich the bead filler 6 around the bead core 5 embedded in the bead portion 3.
- An inner liner layer 7 is disposed inside the carcass layer 4.
- a belt cover layer 9 is disposed on the outer peripheral side of the belt layer 8.
- a tread portion 1 is formed of a tread rubber layer 12 on the outer peripheral side of the belt cover layer 9.
- a side rubber layer 13 is disposed outside the carcass layer 4 of each sidewall portion 2, and a rim cushion rubber layer 14 is provided outside the folded portion of the carcass layer 4 of each bead portion 3.
- the rubber component of the tire rubber composition of the present invention is a diene rubber.
- the diene rubber include natural rubber, isoprene rubber, butadiene rubber, styrene-butadiene rubber, butyl rubber, and acrylonitrile-butadiene rubber. Of these, natural rubber and styrene-butadiene rubber are preferable.
- a suitable composition thereof is that the natural rubber is 100 to 100% by weight of the diene rubber, preferably 30 to 90% by weight, more preferably 50 to 80% by weight.
- the styrene-butadiene rubber is preferably 10 to 70% by weight, more preferably 20 to 50% by weight.
- This rubber composition always contains carbon black and an inorganic filler in the above-described diene rubber.
- the amount of the inorganic filler is 10 to 80 parts by weight, preferably 20 to 60 parts by weight, based on 100 parts by weight of the diene rubber.
- the proportion of particles having a particle size of 5 ⁇ m or less is 20 to 80%, preferably 20 to 60%.
- the ratio of particles of 5 ⁇ m or less is 20 to 80%, preferably 20 to 60%.
- the reinforcing performance such as rubber hardness and strength of the rubber composition can be enhanced.
- grains of 5 micrometers or less 80% or less the increase in the viscosity of a rubber composition can be suppressed and favorable workability can be obtained.
- the particle diameter of the inorganic filler is measured by a laser diffraction method based on JIS 8825-1.
- the ratio of particles having a particle size of 5 ⁇ m or less was determined by calculating a cumulative particle size distribution representing the relationship between the particle diameter and the number of particles from the measured value, and calculating the number ratio of particles having a particle size of 5 ⁇ m or less.
- the inorganic filler is an inorganic filler containing aluminum and silicon.
- the aluminum content of the inorganic filler is Wal wt% and the silicon content is Wsi wt%
- the aluminum content Wal is 11 to 40 wt%
- the ratio of aluminum to the total of aluminum and silicon Wal / ( Wal + Wsi) ⁇ 100 is 15 to 38% by weight.
- the aluminum content Wal of the inorganic filler is 11 to 40% by weight, preferably 11 to 35% by weight.
- the hardness of the rubber composition can be improved.
- the processability of a rubber composition can be improved by making the aluminum content rate Wal 40% by weight or less.
- the ratio Wal / (Wal + Wsi) ⁇ 100 of aluminum to the total of aluminum and silicon of the inorganic filler is 15 to 38% by weight, preferably 16 to 35% by weight.
- the ratio Wal / (Wal + Wsi) ⁇ 100 to 15% by weight or more the hardness and tensile strength of the rubber composition can be increased, and good reinforcement can be obtained.
- the ratio Wal / (Wal + Wsi) ⁇ 100 to 38% by weight or less an increase in the viscosity of the rubber composition can be suppressed and good processability can be obtained.
- the aluminum content Wal% by weight and the silicon content Wsi% by weight in the inorganic filler are measured by X-ray fluorescence analysis based on JIS K0119.
- the kind of the inorganic filler is not particularly limited as long as the above-described particle diameter and the composition range of aluminum and silicon are satisfied.
- examples of inorganic fillers include clay, mica, and wax minerals. Of these, clay is preferable.
- the rubber composition of the present invention always contains carbon black.
- the compounding amount of the carbon black is 30 to 100 parts by weight, preferably 40 to 85 parts by weight with respect to 100 parts by weight of the diene rubber.
- the weight ratio (inorganic filler / carbon black) is preferably (10/90) to (70/30) as the ratio of the above-mentioned inorganic filler and carbon black. ), More preferably (30/70) to (60/40).
- the weight ratio (inorganic filler / carbon black) is preferably (10/90) to (70/30) as the ratio of the above-mentioned inorganic filler and carbon black.
- the nitrogen adsorption specific surface area of carbon black is preferably 15 to 40 m 2 / g, more preferably 25 to 35 m 2 / g. Hardness can be increased by setting the nitrogen adsorption specific surface area to 15 m 2 / g or more. Moreover, workability can be improved by setting the nitrogen adsorption specific surface area to 40 m 2 / g or less. In this specification, the nitrogen adsorption specific surface area of carbon black is measured by the BET method based on ASTM D1993-03.
- the DBP absorption amount of carbon black is preferably 50 to 120 m 2 / g, more preferably 80 to 100 m 2 / g.
- the DBP absorption amount is preferably 50 to 120 m 2 / g, more preferably 80 to 100 m 2 / g.
- the tensile strength and hardness can be increased.
- workability deterioration can be suppressed by making DBP absorption amount into 120 m ⁇ 2 > / g or less.
- the DBP absorption amount of carbon black is measured by the BET method based on JIS K6217-4.
- the rubber composition and the rubber composition can be blended with fillers other than the above-described limited inorganic filler and carbon black.
- fillers include talc, mica, calcium carbonate, aluminum hydroxide, aluminum oxide, and titanium oxide.
- the rubber composition and the rubber composition are a vulcanization or crosslinking agent, a vulcanization accelerator, an anti-aging agent, a plasticizer, a processing aid, a liquid polymer, a terpene resin, and a thermosetting agent.
- Various additives generally used in rubber compositions for tires such as an adhesive resin can be blended within a range that does not impair the object of the present invention, and such additives are kneaded by a general method to rubber.
- the composition can be used to vulcanize or crosslink. As long as the amount of these additives is not contrary to the object of the present invention, a conventional general amount can be used.
- the rubber composition for tires of the present invention can be produced by mixing the above components using a normal rubber kneading machine such as a Banbury mixer, a kneader, or a roll.
- the rubber composition for a tire of the present invention can be used to form a tread portion, a sidewall portion, and a bead portion of a pneumatic tire. Especially, it is preferable to form a bead part with this rubber composition for tires.
- a pneumatic tire having a bead portion formed using the tire rubber composition of the present invention has excellent tire performance such as steering stability and durability because the rubber composition has high rubber hardness and strength. Further, since the processability of the rubber composition is good, it can be produced while maintaining its high quality stably.
- Example 14 types of rubber compositions for tires (Examples 1 to 7 and Comparative Examples 1 to 7) having the formulations shown in Tables 1 and 2 were used as a common formulation, and sulfur and vulcanization accelerators were used.
- the components to be removed were kneaded with a 1.8 L closed mixer at 160 ° C. for 5 minutes and discharged as a master batch.
- a rubber composition for a tire was prepared by adding sulfur and a vulcanization accelerator to this master batch and kneading with an open roll.
- the addition amount of the common compounding agent described in Table 4 was expressed in parts by weight with respect to 100 parts by weight of the diene rubber described in Tables 1 and 2 (net amount of rubber 100 parts by weight).
- Mooney viscosity The Mooney viscosity of the obtained rubber composition was compliant with JIS K6300, using a Mooney viscometer with an L-shaped rotor (38.1 mm diameter, 5.5 mm thickness), preheating time 1 minute, rotor rotation time 4 Measured at 100 ° C. and 2 rpm.
- the obtained results are shown in the “workability” column of Tables 1 and 2 as an index with the value of Comparative Example 1 being 100. A smaller index means a smaller viscosity and better processability.
- the 14 types of rubber compositions for tires thus obtained were press vulcanized at 160 ° C. for 20 minutes in a mold having a predetermined shape to produce a vulcanized rubber test piece.
- the rubber hardness and tensile strength were measured by the following methods. evaluated.
- Rubber Hardness The rubber hardness of the obtained vulcanized rubber test piece was measured at a temperature of 20 ° C. with a durometer type A in accordance with JIS K6253. The obtained results are shown in the “Rubber Hardness” column of Tables 1 and 2 as an index with the value of Comparative Example 1 as 100. The larger the index, the higher the rubber hardness and the better the mechanical properties, and the better the steering stability when making a pneumatic tire.
- ⁇ NR Natural rubber
- STR-20 SBR emulsion polymerization styrene-butadiene rubber
- Nipol 1502 manufactured by Nippon Zeon Carbon black
- 1 Nitrogen adsorption specific surface area (BET) is 35 m 2 / g, DBP absorption is 85 ml / 100 g, Nikka Carbon Co., Ltd.
- Carbon black 2 Nitrogen adsorption specific surface area (BET) of 90 m 2 / g, DBP absorption of 122 ml / 100 g, THAI CARBON BLACK PUBLIC CO.
- Clay 1 to clay 9 Clay having a chemical composition of a particle ratio of 5 ⁇ m or less, an aluminum content, and a ratio of aluminum to the total of aluminum and silicon shown in Table 3
- Zinc oxide 3 types of zinc oxide manufactured by Shodo Chemical Co., Ltd.
- Stearic acid Beads stearic acid YR manufactured by NOF Corporation
- Oil Extract No. 4 S manufactured by Showa Shell Sekiyu KK
- Sulfur Hosei Chemical Industries oil processing sulfur
- Vulcanization accelerator Ouchi Shinsei Chemical Industry Noxeller CZ-G
- the rubber composition for tires of Comparative Example 1 has the aluminum content Wal of the clay 3 of less than 11% by weight, and the ratio Wal / (Wal + Wsi) of aluminum to the total of aluminum and silicon is less than 15% by weight.
- the processability, rubber hardness and tensile strength cannot be improved as in the rubber compositions of Examples 1 to 4.
- the aluminum content Wal of the clays 1 and 2 is less than 11% by weight, the aluminum ratio Wal / (Wal + Wsi) is less than 15% by weight, and the particle ratio of 5 ⁇ m or less is 20%. Since it is less than%, workability and rubber hardness cannot be improved, and tensile strength deteriorates.
- the aluminum ratio Wal / (Wal + Wsi) of the clay 4 exceeds 38% by weight, and the particle ratio of 5 ⁇ m or less exceeds 80%, so that the workability deteriorates.
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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)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
得られたゴム組成物のムーニー粘度をJIS K6300に準拠して、ムーニー粘度計にてL型ロータ(38.1mm径、5.5mm厚)を使用し、予熱時間1分、ロータの回転時間4分、100℃、2rpmの条件で測定した。得られた結果は、比較例1の値を100とする指数として、表1,2の「加工性」の欄に示した。この指数が小さいほど粘度が小さく加工性が優れることを意味する。
得られた加硫ゴム試験片のゴム硬度を、JIS K6253に準拠し、デュロメータのタイプAにより温度20℃で測定した。得られた結果は、比較例1の値を100とする指数として、表1,2の「ゴム硬度」の欄に示した。この指数が大きいほど、ゴム硬度が高く機械的特性が優れること、また空気入りタイヤにしたとき操縦安定性が優れることを意味する。
得られた加硫ゴム試験片から、JIS K6251に準拠してJIS3号ダンベル型試験片(厚さ2mm)を打ち抜き、温度20℃で500mm/分の引張り速度で試験を行い、引張り破断強度を測定した。得られた結果は、比較例1の値を100とする指数として、表1,2の「引張り強度」の欄に示した。この指数が大きいほど、引張り破断強度が大きく機械的特性が優れること、また空気入りタイヤにしたとき耐摩耗性及び操縦安定性が優れることを意味する。
・NR:天然ゴム、STR-20
・SBR:乳化重合スチレンーブタジエンゴム、日本ゼオン社製Nipol 1502
・カーボンブラック1:窒素吸着比表面積(BET)が35m2/g、DBP吸収量が
85ml/100g、新日化カーボン 社製N660(ニテロン#GN)
・カーボンブラック2:窒素吸着比表面積(BET)が90m2/g、DBP吸収量が
122ml/100g、THAI CARBON BLACK PUBLICK CO.製N339(THAIBLACK N339)
・クレー1~クレー9:表3に示す、5μm以下の粒子割合、アルミニウム含有率及びアルミニウムとケイ素の合計に対するアルミニウムの割合の化学組成のクレー
・酸化亜鉛:正同化学工業社製酸化亜鉛3種
・ステアリン酸:日油社製ビーズステアリン酸YR
・オイル:昭和シェル石油社製エキストラクト4号S
・硫黄:細井化学工業社製油処理硫黄
・加硫促進剤:大内新興化学工業社製ノクセラーCZ-G
2 サイドウォール部
3 ビード部
4 カーカス層
5 ビードコア
6 ビードフィラー
7 インナーライナー層
8 ベルト層
9 ベルトカバー層
Claims (3)
- ジエン系ゴム100重量部に、カーボンブラックを30~100重量部、無機充填剤を10~80重量部配合すると共に、前記無機充填剤が、粒子径5μm以下の粒子が20~80%であり、前記無機充填剤におけるアルミニウム含有率をWal重量%、ケイ素含有率をWsi重量%とするとき、アルミニウム含有率Walが11~40重量%、アルミニウムとケイ素の合計に対するアルミニウムの割合Wal/(Wal+Wsi)×100が15~38重量%であることを特徴とするタイヤ用ゴム組成物。
- 前記カーボンブラックの窒素吸着比表面積が15~40m2/g、DBP吸収量が50~120ml/100gであることを特徴とする請求項1に記載のタイヤ用ゴム組成物。
- 請求項1または2に記載のタイヤ用ゴム組成物で、ビード部を形成した空気入りタイヤ。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201480018495.9A CN105073872B (zh) | 2013-03-28 | 2014-03-26 | 轮胎用橡胶组合物 |
| KR1020157026577A KR101586265B1 (ko) | 2013-03-28 | 2014-03-26 | 타이어용 고무 조성물 |
| US14/780,995 US9534101B2 (en) | 2013-03-28 | 2014-03-26 | Rubber composition for tire |
| DE112014002070.2T DE112014002070B4 (de) | 2013-03-28 | 2014-03-26 | Kautschukzusammensetzung für Reifen, vulkanisiertes Produkt und Verwendung des vulkanisierten Produkts in einem Luftreifen |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013068020A JP5700063B2 (ja) | 2013-03-28 | 2013-03-28 | タイヤ用ゴム組成物 |
| JP2013-068020 | 2013-03-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2014157335A1 true WO2014157335A1 (ja) | 2014-10-02 |
Family
ID=51624298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2014/058528 Ceased WO2014157335A1 (ja) | 2013-03-28 | 2014-03-26 | タイヤ用ゴム組成物 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US9534101B2 (ja) |
| JP (1) | JP5700063B2 (ja) |
| KR (1) | KR101586265B1 (ja) |
| CN (1) | CN105073872B (ja) |
| DE (1) | DE112014002070B4 (ja) |
| WO (1) | WO2014157335A1 (ja) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3044315B1 (fr) * | 2015-11-27 | 2017-12-08 | Michelin & Cie | Composition de caoutchouc |
| JP7147150B2 (ja) * | 2017-10-30 | 2022-10-05 | 住友ゴム工業株式会社 | 中空ボール用ゴム組成物及び中空ボール |
| DE102017223545A1 (de) | 2017-12-21 | 2019-06-27 | Contitech Luftfedersysteme Gmbh | Artikel, insbesondere ein Luftfederbalg, ein Metall-Gummi-Element oder ein Schwingungsdämpfer |
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| JPH1088028A (ja) * | 1996-09-02 | 1998-04-07 | J M Huber Corp | シラン処理クレー製品、その製法及びその組成物 |
| JP2000256506A (ja) * | 1999-03-05 | 2000-09-19 | Sumitomo Rubber Ind Ltd | ゴム組成物 |
| JP2000273241A (ja) * | 1999-03-23 | 2000-10-03 | Tokai Rubber Ind Ltd | ゴム組成物、ゴム積層体、ホース及びその製造方法 |
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| WO2006062119A1 (ja) * | 2004-12-07 | 2006-06-15 | Bridgestone Corporation | タイヤ |
| JP2008184505A (ja) * | 2007-01-29 | 2008-08-14 | Bridgestone Corp | タイヤ用ゴム組成物及びそれを用いた空気入りタイヤ。 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100277523B1 (ko) * | 1998-05-30 | 2001-01-15 | 김호균 | 타이어 펑크방지 조성물 및 그 도포방법 |
| WO2005017013A1 (en) | 2003-08-01 | 2005-02-24 | Exxonmobil Chemical Patents, Inc. | Low-permeability elastomeric composition |
| JP5211886B2 (ja) * | 2008-06-24 | 2013-06-12 | 横浜ゴム株式会社 | 空気入りタイヤ |
-
2013
- 2013-03-28 JP JP2013068020A patent/JP5700063B2/ja active Active
-
2014
- 2014-03-26 WO PCT/JP2014/058528 patent/WO2014157335A1/ja not_active Ceased
- 2014-03-26 KR KR1020157026577A patent/KR101586265B1/ko active Active
- 2014-03-26 US US14/780,995 patent/US9534101B2/en active Active
- 2014-03-26 DE DE112014002070.2T patent/DE112014002070B4/de active Active
- 2014-03-26 CN CN201480018495.9A patent/CN105073872B/zh active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60173801A (ja) * | 1983-11-03 | 1985-09-07 | ボルカー・インコーポレイテッド | 感熱性絶縁組成物及びそれを導入した物品及び装置とその製法 |
| JPH1088028A (ja) * | 1996-09-02 | 1998-04-07 | J M Huber Corp | シラン処理クレー製品、その製法及びその組成物 |
| JP2000256506A (ja) * | 1999-03-05 | 2000-09-19 | Sumitomo Rubber Ind Ltd | ゴム組成物 |
| JP2000273241A (ja) * | 1999-03-23 | 2000-10-03 | Tokai Rubber Ind Ltd | ゴム組成物、ゴム積層体、ホース及びその製造方法 |
| JP2001089598A (ja) * | 1999-09-24 | 2001-04-03 | Sumitomo Rubber Ind Ltd | タイヤ用ゴム組成物 |
| JP2002080638A (ja) * | 2000-09-07 | 2002-03-19 | Sumitomo Rubber Ind Ltd | タイヤトレッド用ゴム組成物 |
| JP2005213353A (ja) * | 2004-01-29 | 2005-08-11 | Sumitomo Rubber Ind Ltd | ゴム組成物の製造方法、ゴム組成物および空気入りタイヤ |
| WO2006062119A1 (ja) * | 2004-12-07 | 2006-06-15 | Bridgestone Corporation | タイヤ |
| JP2008184505A (ja) * | 2007-01-29 | 2008-08-14 | Bridgestone Corp | タイヤ用ゴム組成物及びそれを用いた空気入りタイヤ。 |
Also Published As
| Publication number | Publication date |
|---|---|
| US9534101B2 (en) | 2017-01-03 |
| JP5700063B2 (ja) | 2015-04-15 |
| JP2014189704A (ja) | 2014-10-06 |
| KR20150119456A (ko) | 2015-10-23 |
| CN105073872A (zh) | 2015-11-18 |
| US20160053076A1 (en) | 2016-02-25 |
| CN105073872B (zh) | 2017-06-09 |
| DE112014002070T5 (de) | 2015-12-31 |
| KR101586265B1 (ko) | 2016-01-18 |
| DE112014002070B4 (de) | 2021-10-14 |
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