JPS63213536A - Rubber composition having improved appearance - Google Patents
Rubber composition having improved appearanceInfo
- Publication number
- JPS63213536A JPS63213536A JP4574887A JP4574887A JPS63213536A JP S63213536 A JPS63213536 A JP S63213536A JP 4574887 A JP4574887 A JP 4574887A JP 4574887 A JP4574887 A JP 4574887A JP S63213536 A JPS63213536 A JP S63213536A
- Authority
- JP
- Japan
- Prior art keywords
- rubber
- ester type
- rubber composition
- sorbitan
- weight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229920001971 elastomer Polymers 0.000 title claims abstract description 26
- 239000005060 rubber Substances 0.000 title claims abstract description 26
- 239000000203 mixture Substances 0.000 title claims abstract description 14
- 150000001412 amines Chemical class 0.000 claims abstract description 9
- 239000012188 paraffin wax Substances 0.000 claims abstract description 9
- 229920003051 synthetic elastomer Polymers 0.000 claims abstract description 7
- 150000001993 dienes Chemical class 0.000 claims abstract description 6
- 239000005061 synthetic rubber Substances 0.000 claims abstract description 6
- 244000043261 Hevea brasiliensis Species 0.000 claims abstract description 5
- 150000002148 esters Chemical class 0.000 claims abstract description 5
- 229920003052 natural elastomer Polymers 0.000 claims abstract description 5
- 229920001194 natural rubber Polymers 0.000 claims abstract description 5
- -1 sorbitan ester Chemical class 0.000 claims abstract description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- 230000003712 anti-aging effect Effects 0.000 claims description 10
- 239000002736 nonionic surfactant Substances 0.000 claims description 4
- 239000001993 wax Substances 0.000 abstract description 5
- 239000004094 surface-active agent Substances 0.000 abstract description 4
- 238000002156 mixing Methods 0.000 abstract description 3
- 239000003963 antioxidant agent Substances 0.000 abstract 2
- 230000003078 antioxidant effect Effects 0.000 abstract 2
- JNYAEWCLZODPBN-JGWLITMVSA-N (2r,3r,4s)-2-[(1r)-1,2-dihydroxyethyl]oxolane-3,4-diol Chemical compound OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O JNYAEWCLZODPBN-JGWLITMVSA-N 0.000 abstract 1
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 abstract 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 abstract 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 abstract 1
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 abstract 1
- 239000005642 Oleic acid Substances 0.000 abstract 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 abstract 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 7
- 238000011156 evaluation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- ZZMVLMVFYMGSMY-UHFFFAOYSA-N 4-n-(4-methylpentan-2-yl)-1-n-phenylbenzene-1,4-diamine Chemical compound C1=CC(NC(C)CC(C)C)=CC=C1NC1=CC=CC=C1 ZZMVLMVFYMGSMY-UHFFFAOYSA-N 0.000 description 1
- 241000209761 Avena Species 0.000 description 1
- 235000007319 Avena orientalis Nutrition 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000004737 colorimetric analysis Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 230000002747 voluntary effect Effects 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は外観が改良されたゴム組成物、詳しくは老化防
止剤又はその酸化物のブルーム現象により製品外観を損
なわれないゴム組成物に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a rubber composition with improved appearance, and more particularly to a rubber composition in which the appearance of the product is not impaired by the blooming phenomenon of anti-aging agents or their oxides.
（従来の技術）
例えばタイヤには耐候性の面からジエン系合成ゴムを使
用しており、オゾンや酸素による老化防止を目的として
、アミン系老化防止剤やパラフィン系のワックスが多量
に配合されている。ところがこれらの老化防止剤は短期
間にブルーム現象を起しやすいため、タイヤ走行中にタ
イヤ表面を変色させ、外観を著しく悪くし、ひいてはタ
イヤ自体の性能さえ疑われることになる。(Conventional technology) For example, tires use diene-based synthetic rubber for weather resistance, and large amounts of amine-based anti-aging agents and paraffin-based waxes are mixed in to prevent aging caused by ozone and oxygen. There is. However, these anti-aging agents tend to cause a bloom phenomenon in a short period of time, causing discoloration of the tire surface while the tire is running, significantly worsening the appearance, and even calling into question the performance of the tire itself.
そこで、上記のブルーム現象を防止するために、一般に
はアミン系老化防止剤やパラフィン系のワックスの配合
量を減量したり、あるいはシリコン系塗布剤をタイヤ表
面に塗布するようなことが行なわれている。また上記方
法とは別に特定の老化防止剤を使用することによりブル
ーム現象を防止するようにしたものが特開昭６１−４４
００４号として知られている。Therefore, in order to prevent the above-mentioned bloom phenomenon, the amount of amine-based anti-aging agent or paraffin-based wax is generally reduced, or a silicon-based coating agent is applied to the tire surface. There is. In addition to the above method, a method was developed in which the blooming phenomenon was prevented by using a specific anti-aging agent.
It is known as No. 004.
（発明が解決しようとする問題点）
前記従来技術のうち、アミン系老化防止剤やパラフィン
系のワックスを減量すると、タイヤの耐候性を著しく低
下させるし、塗布剤を塗布するものにあってはあまり効
果がない。(Problems to be Solved by the Invention) Among the above-mentioned conventional techniques, reducing the amount of amine-based anti-aging agents and paraffin-based wax significantly reduces the weather resistance of tires, and in those that apply coating agents, Not very effective.
本発明は、上記問題点を解決し、従来のアミン系老化防
止剤、パラフィン系ワックスを減量することなく、従っ
て耐候性を充分保持させながらプルーム現象を起生させ
ないようにすることを目的としたゴム組成物を提供する
ことを目的とする。The present invention aims to solve the above-mentioned problems and to prevent the plume phenomenon from occurring while maintaining sufficient weather resistance without reducing the amount of conventional amine-based anti-aging agents and paraffin-based waxes. The purpose is to provide a rubber composition.
（問題点を解決するための手段）
本発明は上記目的を達成するための手段として、天然ゴ
ム及びジエン系合成ゴムよりなる群の中から選ばれた少
なくとも１種のゴムに、アミン系老化防止剤、パラフィ
ン系ワックスを含むゴム組成物において、前記ゴム１０
０重量部に対しエステル型あるいはソルビタンエステル
型の非イオン性界面活性剤を１〜３重量部を配合した構
成を採用した。(Means for Solving the Problems) As a means for achieving the above object, the present invention provides at least one type of rubber selected from the group consisting of natural rubber and diene-based synthetic rubber. In the rubber composition containing a paraffin wax, the rubber 10
A configuration was adopted in which 1 to 3 parts by weight of an ester type or sorbitan ester type nonionic surfactant was blended to 0 parts by weight.
（実施例） 以下、本発明について詳述する。(Example) The present invention will be explained in detail below.
先ず本発明において使用するゴムは天然ゴム及びジエン
系合成ゴムよりなる群の中から選ばれた少なくとも１種
である。こ＼で前記ジエン系合成ゴムとはスチレンブタ
ジェン共重合体ゴム、合成ポリイソプレンゴム、ポリブ
タジェンゴム等であり、これらのゴムは単独または混合
して使用しても良く、また天然ゴムと併用しても良い。First, the rubber used in the present invention is at least one selected from the group consisting of natural rubber and diene-based synthetic rubber. Here, the diene-based synthetic rubbers include styrene-butadiene copolymer rubber, synthetic polyisoprene rubber, polybutadiene rubber, etc. These rubbers may be used alone or in combination, and may also be used with natural rubber. May be used together.
本発明において使用するパラフィン系ワックスは通常ゴ
ム組成物に使用されるものであれば良くまた、その量も
限定しないが、通常ゴム１００重量部に対して５重量部
以下である。The paraffin wax used in the present invention may be one that is normally used in rubber compositions, and the amount thereof is not limited, but is usually 5 parts by weight or less per 100 parts by weight of rubber.
本発明において使用するアミン系老化防止剤としては、
例えばＮ−フェニル−Ｎ’ −（１，３ジメチルブチル
）−Ｐ−フェニレンジアミン（以下６Ｃという）、Ｎ−
フェニル−Ｎ゛ −イソプロピル−Ｐ−フェニレンジア
ミン（以下３Ｃという）を例示できる。The amine anti-aging agent used in the present invention includes:
For example, N-phenyl-N'-(1,3 dimethylbutyl)-P-phenylenediamine (hereinafter referred to as 6C), N-
An example is phenyl-N'-isopropyl-P-phenylenediamine (hereinafter referred to as 3C).
本発明において使用する非イオン性界面活性剤としては
次のものが例示できる。Examples of the nonionic surfactants used in the present invention include the following.
ス１γリン取エステル
上記界面活性剤は前記ゴム１００重量部に対し１〜３重
量部が配合される。このように活性剤の配合量を限定し
た理由は、１重量部未満では外観改良効果が不充分であ
り、３重量部を超えると耐オゾンクラブク性を低下させ
るので好ましくないからである。なお、界面活性剤のＨ
ＬＢ値の差による効果はあまりない。1 to 3 parts by weight of the surfactant is blended with 100 parts by weight of the rubber. The reason why the amount of the activator is limited in this way is that if it is less than 1 part by weight, the appearance improvement effect is insufficient, and if it exceeds 3 parts by weight, it is undesirable because it reduces the ozone resistance. In addition, H of the surfactant
There is not much effect due to the difference in LB value.
下記表は本発明の実施例及び比較例を示したもので、各
種ゴム組成物を作成し、３０ａ＋ｉｎ 、１５０℃で加
硫し、オゾンクランク発生量、比色度、引張り物性等を
測定し評価した。その評価方法は次の通りである。The table below shows examples and comparative examples of the present invention. Various rubber compositions were prepared, vulcanized at 30a+in at 150°C, and the amount of ozone crank generated, colorimetry, tensile properties, etc. were measured and evaluated. did. The evaluation method is as follows.
ＪＩＳ Ｋ６３０１に基づき静的テスト、動的テストで
試験片のクラックを評価した。５点満点で評価し、値が
大きい程良好である。Cracks in the test pieces were evaluated by static tests and dynamic tests based on JIS K6301. Evaluation is made on a 5-point scale, and the higher the value, the better.
動的オゾンクラック発生量を評価した試験片及びオゾン
中、５０ｐｐｍ＋４０℃に暴露した試験片の外観を目視
で評価した。５点満点で評価し、値が大きい程良好であ
る。The appearance of the test piece evaluated for the amount of dynamic ozone crack generation and the test piece exposed to 50 ppm + 40° C. in ozone was visually evaluated. Evaluation is made on a 5-point scale, and the higher the value, the better.
引張り物性を評価した。 The tensile properties were evaluated.
（次 葉）
く表〉
上記表より本発明のゴム組成物は外観評価（プルーム現
象）が著しく向上し、しかもオゾンテスト評価において
も劣らず、且つ物性への影響も殆んどないことがわかっ
た。(Next page) Table The above table shows that the rubber composition of the present invention has significantly improved appearance evaluation (plume phenomenon), is comparable to ozone test evaluation, and has almost no effect on physical properties. Ta.
（発明の効果）
本発明は通常のアミン系老化防止剤、パラフィン系ワッ
クスを含むゴム１００重量部に対し、単に特定の非イオ
ン性界面活性剤を１〜３重量％を配合するだけで、耐候
性を十分に保持したま＼従来の欠点であったブルーム現
象の発生を防止し、外観の改良されたゴム組成物を提供
できたのであり、空気入りタイヤで外観を重視するゴム
製品その他に使用して優れたものである。(Effects of the Invention) The present invention provides weatherproofing properties by simply blending 1 to 3% by weight of a specific nonionic surfactant to 100 parts by weight of rubber containing ordinary amine-based anti-aging agents and paraffin wax. We were able to provide a rubber composition that maintains sufficient properties and prevents the occurrence of the bloom phenomenon, which was a conventional drawback, and has an improved appearance, and can be used in pneumatic tires, rubber products where appearance is important, and other products. It is excellent.
特 許 出 願 人 オーツタイヤ株式会社患１
手続（甫正書 （自発）
昭和６２年６月ｑ日
Ｘ・
昭和６２年特 許 願第４５７４８号
２、発明の名称
外観が改良されたゴム組成物
３、補正をする者
事件との関係 特 許 出 願 人
オーツタイヤ株式会社
４、代 理 人
大阪府東大阪市御厨１０１３番地
電話 ０６（７８２） ６９１７・６９１８番昭和
年 月 日 （自発）
６、補正の対象
・明細書の発明の詳細な説明の欄
７、補正の内容
（１）明細書第５頁第１９行にｒ５０ｐｐｍ Ｊとある
は、ｒ ５０ｐｐｔｕ＋ ｊと補正する。Patent Applicant Otsu Tire Co., Ltd. 1 Procedure (Hoshosho (spontaneous)) June q, 1988 3. Relationship with the case of the person making the amendment Patent applicant Oats Tire Co., Ltd. 4 Agent 1013 Mikuriya, Higashiosaka City, Osaka Prefecture Telephone 06 (782) 6917/6918 Showa
Year, month, day (voluntary) 6. Subject of amendment/Detailed explanation of the invention column 7, Contents of amendment (1) r50ppm J on page 5, line 19 of the specification is amended to r 50pptu+j do.
Claims (1)
ら選ばれた少なくとも１種のゴムに、アミン系老化防止
剤、パラフィン系ワックスを含むゴム組成物において、
前記ゴム１００重量部に対しエステル型あるいはソルビ
タンエステル型の非イオン性界面活性剤を１〜３重量部
を配合したことを特徴とする外観が改良されたゴム組成
物。(1) A rubber composition containing an amine anti-aging agent and a paraffin wax in at least one rubber selected from the group consisting of natural rubber and diene synthetic rubber,
A rubber composition with improved appearance, characterized in that 1 to 3 parts by weight of an ester type or sorbitan ester type nonionic surfactant is blended with 100 parts by weight of the rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4574887A JPS63213536A (en) | 1987-02-27 | 1987-02-27 | Rubber composition having improved appearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4574887A JPS63213536A (en) | 1987-02-27 | 1987-02-27 | Rubber composition having improved appearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63213536A true JPS63213536A (en) | 1988-09-06 |
Family
ID=12727929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4574887A Pending JPS63213536A (en) | 1987-02-27 | 1987-02-27 | Rubber composition having improved appearance |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63213536A (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0890603A1 (en) * | 1997-07-11 | 1999-01-13 | Bridgestone Corporation | Improved processability of silica-filled rubber stocks with reduced hysteresis |
| US6228908B1 (en) | 1997-07-11 | 2001-05-08 | Bridgestone Corporation | Diene polymers and copolymers incorporating partial coupling and terminals formed from hydrocarboxysilane compounds |
| US6423781B1 (en) | 1997-07-11 | 2002-07-23 | Bridgestone Corporation | Elastomers having a reduced hysteresis via interaction of polymer with silica surfaces |
| EP1357147A1 (en) * | 2002-04-26 | 2003-10-29 | The Goodyear Tire & Rubber Company | Tire with component of carbon black rich rubber composition which contains ester of polyhydroxy alcohol |
| JP2004307812A (en) * | 2003-03-26 | 2004-11-04 | Bridgestone Corp | Rubber composition and pneumatic tire by using the same |
| WO2015001942A1 (en) * | 2013-07-05 | 2015-01-08 | 住友ゴム工業株式会社 | Pneumatic tire |
| WO2015001934A1 (en) * | 2013-07-05 | 2015-01-08 | 住友ゴム工業株式会社 | Tire rubber composition and pneumatic tire |
| WO2015001937A1 (en) * | 2013-07-05 | 2015-01-08 | 住友ゴム工業株式会社 | Pneumatic tire |
| WO2015001935A1 (en) * | 2013-07-05 | 2015-01-08 | 住友ゴム工業株式会社 | Tire rubber composition and pneumatic tire |
| JP2015157879A (en) * | 2014-02-21 | 2015-09-03 | 住友ゴム工業株式会社 | Tire rubber composition and pneumatic tire |
| WO2015145843A1 (en) * | 2014-03-26 | 2015-10-01 | 住友ゴム工業株式会社 | Rubber composition for tire, pneumatic tire, and method for manufacturing rubber composition for tire |
| WO2015198943A1 (en) * | 2014-06-25 | 2015-12-30 | 横浜ゴム株式会社 | Rubber composition for tire sidewall |
| WO2016093006A1 (en) * | 2014-12-10 | 2016-06-16 | 住友ゴム工業株式会社 | Rubber composition for tire, and pneumatic tire |
| JP2016113589A (en) * | 2014-12-17 | 2016-06-23 | 住友ゴム工業株式会社 | Rubber composition for tire, and pneumatic tire |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57212242A (en) * | 1981-06-23 | 1982-12-27 | Kinugawa Rubber Ind Co Ltd | Rubber composition |
| JPS61168640A (en) * | 1985-01-23 | 1986-07-30 | Bridgestone Corp | Rubber composition giving improved appearance |
-
1987
- 1987-02-27 JP JP4574887A patent/JPS63213536A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57212242A (en) * | 1981-06-23 | 1982-12-27 | Kinugawa Rubber Ind Co Ltd | Rubber composition |
| JPS61168640A (en) * | 1985-01-23 | 1986-07-30 | Bridgestone Corp | Rubber composition giving improved appearance |
Cited By (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0890603A1 (en) * | 1997-07-11 | 1999-01-13 | Bridgestone Corporation | Improved processability of silica-filled rubber stocks with reduced hysteresis |
| US6228908B1 (en) | 1997-07-11 | 2001-05-08 | Bridgestone Corporation | Diene polymers and copolymers incorporating partial coupling and terminals formed from hydrocarboxysilane compounds |
| US6423781B1 (en) | 1997-07-11 | 2002-07-23 | Bridgestone Corporation | Elastomers having a reduced hysteresis via interaction of polymer with silica surfaces |
| EP1357147A1 (en) * | 2002-04-26 | 2003-10-29 | The Goodyear Tire & Rubber Company | Tire with component of carbon black rich rubber composition which contains ester of polyhydroxy alcohol |
| JP2004307812A (en) * | 2003-03-26 | 2004-11-04 | Bridgestone Corp | Rubber composition and pneumatic tire by using the same |
| CN105324252A (en) * | 2013-07-05 | 2016-02-10 | 住友橡胶工业株式会社 | Pneumatic tire |
| WO2015001942A1 (en) * | 2013-07-05 | 2015-01-08 | 住友ゴム工業株式会社 | Pneumatic tire |
| WO2015001937A1 (en) * | 2013-07-05 | 2015-01-08 | 住友ゴム工業株式会社 | Pneumatic tire |
| WO2015001935A1 (en) * | 2013-07-05 | 2015-01-08 | 住友ゴム工業株式会社 | Tire rubber composition and pneumatic tire |
| JP2015013955A (en) * | 2013-07-05 | 2015-01-22 | 住友ゴム工業株式会社 | Rubber composition for tire, and pneumatic tire |
| JP2015013956A (en) * | 2013-07-05 | 2015-01-22 | 住友ゴム工業株式会社 | Pneumatic tire |
| JP2015028129A (en) * | 2013-07-05 | 2015-02-12 | 住友ゴム工業株式会社 | Tire rubber composition and pneumatic tire |
| WO2015001934A1 (en) * | 2013-07-05 | 2015-01-08 | 住友ゴム工業株式会社 | Tire rubber composition and pneumatic tire |
| JPWO2015001942A1 (en) * | 2013-07-05 | 2017-02-23 | 住友ゴム工業株式会社 | Pneumatic tire |
| EP3012290A4 (en) * | 2013-07-05 | 2017-02-08 | Sumitomo Rubber Industries, Ltd. | Tire rubber composition and pneumatic tire |
| CN105324430A (en) * | 2013-07-05 | 2016-02-10 | 住友橡胶工业株式会社 | Pneumatic tire |
| US9708476B2 (en) | 2013-07-05 | 2017-07-18 | Sumitomo Rubber Industries, Ltd. | Tire rubber composition and pneumatic tire |
| CN105324431A (en) * | 2013-07-05 | 2016-02-10 | 住友橡胶工业株式会社 | Tire rubber composition and pneumatic tire |
| CN105324429A (en) * | 2013-07-05 | 2016-02-10 | 住友橡胶工业株式会社 | Tire rubber composition and pneumatic tire |
| CN105324252B (en) * | 2013-07-05 | 2018-11-16 | 住友橡胶工业株式会社 | Pneumatic tire |
| US9994699B2 (en) | 2013-07-05 | 2018-06-12 | Sumitomo Rubber Industries, Ltd. | Tire rubber composition and pneumatic tire |
| US9969221B2 (en) | 2013-07-05 | 2018-05-15 | Sumitomo Rubber Industries, Ltd. | Pneumatic tire |
| JP6063043B2 (en) * | 2013-07-05 | 2017-01-18 | 住友ゴム工業株式会社 | Pneumatic tire |
| JP2015157879A (en) * | 2014-02-21 | 2015-09-03 | 住友ゴム工業株式会社 | Tire rubber composition and pneumatic tire |
| CN106133047A (en) * | 2014-03-26 | 2016-11-16 | 住友橡胶工业株式会社 | The manufacture method of rubber composition for tire, pneumatic tire and rubber composition for tire |
| JP5973680B2 (en) * | 2014-03-26 | 2016-08-23 | 住友ゴム工業株式会社 | Rubber composition for tire, pneumatic tire, and method for producing rubber composition for tire |
| US10294349B2 (en) | 2014-03-26 | 2019-05-21 | Sumitomo Rubber Industries, Ltd. | Rubber composition for tire, pneumatic tire, and method for manufacturing rubber composition for tire |
| WO2015145843A1 (en) * | 2014-03-26 | 2015-10-01 | 住友ゴム工業株式会社 | Rubber composition for tire, pneumatic tire, and method for manufacturing rubber composition for tire |
| JPWO2015198943A1 (en) * | 2014-06-25 | 2017-04-20 | 横浜ゴム株式会社 | Rubber composition for tire sidewall |
| WO2015198943A1 (en) * | 2014-06-25 | 2015-12-30 | 横浜ゴム株式会社 | Rubber composition for tire sidewall |
| CN107001709A (en) * | 2014-12-10 | 2017-08-01 | 住友橡胶工业株式会社 | Rubber composition for tire and pneumatic tire |
| JP2016108515A (en) * | 2014-12-10 | 2016-06-20 | 住友ゴム工業株式会社 | Rubber composition for tire, and pneumatic tire |
| WO2016093006A1 (en) * | 2014-12-10 | 2016-06-16 | 住友ゴム工業株式会社 | Rubber composition for tire, and pneumatic tire |
| US10550246B2 (en) | 2014-12-10 | 2020-02-04 | Sumitomo Rubber Industries, Ltd. | Rubber composition for tire, and pneumatic tire |
| JP2016113589A (en) * | 2014-12-17 | 2016-06-23 | 住友ゴム工業株式会社 | Rubber composition for tire, and pneumatic tire |
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