WO2003087214A1 - Rubber composition for inner liner and tire - Google Patents
Rubber composition for inner liner and tire Download PDFInfo
- Publication number
- WO2003087214A1 WO2003087214A1 PCT/JP2003/004904 JP0304904W WO03087214A1 WO 2003087214 A1 WO2003087214 A1 WO 2003087214A1 JP 0304904 W JP0304904 W JP 0304904W WO 03087214 A1 WO03087214 A1 WO 03087214A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- rubber
- inner liner
- rubber composition
- clay mineral
- tire
- 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.)
- Ceased
Links
Classifications
-
- 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
- B60C1/0008—Compositions of the inner liner
-
- 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
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
Definitions
- the present invention relates to a rubber composition for an inner liner and a tire. More specifically, the present invention relates to a rubber composition for an inner liner, which is used for an inner liner of a tire, has good air permeability resistance, and has improved durability at low temperatures, and this rubber composition This is related to the tires used in the inner field. Background art
- the inner surface of a pneumatic tire is provided with a single layer of inner liner made of a low-gas-permeable rubber such as halogenated butyl rubber to prevent air leakage and keep the tire pressure constant.
- a low-gas-permeable rubber such as halogenated butyl rubber
- the crack resistance especially when used at a low temperature of 5 ° C or less, is inferior to that of the butyl rubber compound composition layer, which is usually used, in terms of flex fatigue resistance.
- tire manufacturing becomes complicated.
- Japanese Patent Application Laid-Open No. 2000-80707 describes a rubber composition in which an organically modified layered clay mineral is dispersed for the purpose of improving the gas barrier properties of rubber. There is no description about application to the inner liner. In any case, it has been difficult to produce a rubber composition for an inner liner that satisfies both gas permeation resistance and low-temperature durability by the conventional method.
- the present invention provides a rubber composition for an inner liner, which is used for an inner liner of a tire under such circumstances, and has improved air permeation resistance and durability especially at low temperatures, and a rubber composition for an inner liner.
- the purpose is to provide the tires used.
- the present inventors have conducted intensive studies in order to achieve the above object, and as a result, have found that the object can be achieved by blending a certain rubber component with an organic layered clay mineral.
- the present invention has been completed based on such findings. That is, the present invention
- a rubber composition for an inner liner comprising at least one kind of rubber selected from gen-based synthetic rubbers and natural rubbers of C or less, and an organic layered clay mineral;
- FIG. 1 is a partial cross-sectional view showing an example of the pneumatic tire of the present invention, in which 1: a bead core, 2: a carcass layer, 3: a layer of an inner liner, 4: a benoret, 5: a trad, and 6: a side wall. Part 7, 7: Indicates the bead filer.
- the rubber component is a gen-based synthetic rubber or a natural rubber having a glass transition temperature (T g) of ⁇ 55 ° C. or less.
- the gen-based synthetic rubber is, specifically, styrene-butadiene rubber (SBR), isoprene rubber (IR), butadiene rubber (BR), nitrile rubber (acrylonitrile-butadiene copolymer)
- NBR hydrogenated nitrile rubber
- H-NBR hydrogenated nitrile rubber
- styrene / butadiene rubber and nitrile rubber are particularly preferred.
- the reason why the glass transition temperature of the rubber component in the present invention is set to not more than 155 ° C is that when a rubber having a Tg exceeding this is used, the brittle temperature of the rubber composition is sufficiently lowered. This is because the low-temperature durability of the inner liner cannot be sufficiently secured.
- T g is preferably 1 60 ° C It is as follows.
- the above glass transition temperature (T g) gar 5 5 ° C below the diene-based synthetic rubber or natural rubber, 3 is preferably contained 0 wt 0/0 or more in the whole rubber component, preferably in the al 5 0% by weight or more.
- an organically layered clay mineral is blended with the above rubber component.
- the term “organized layered clay mineral” means a layered clay mineral treated with an organic compound, particularly an organic ion.
- this layered clay mineral include smectite-based clay minerals such as montmorillonite, saponite, hectolite, beidelite, stevensite, nontronite, bamikyrite, halloysite, and swelling mycelite. Is mentioned.
- These layered clay minerals may be natural or synthetic. These may be used alone or in a combination of two or more.
- the organic onium salt sufficiently penetrates between the layers, and at the time of kneading with rubber, furthermore, in the rubber matrix, due to the interlayer expansion due to the penetration of rubber molecules.
- the dispersion of the layered clay mineral is obtained on the order of nanometers. From this point, among the above-mentioned layered clay minerals, my power having a large average particle diameter, particularly swelling my power, is preferred.
- the average particle size of my force is preferably 3 to 30 ⁇ m.
- the organic clay of the layered clay mineral can be performed by treating with an organic sodium salt.
- an ammonium salt is particularly preferable.
- examples of the organic anion which organically converts the layered clay mineral include, for example, hexyl ammonium ion, octinoleammonium ion, 2-ethylethylammonium ion, dodecylammonium ion, and decoctammonium ion.
- Ammonii Ion dioctyldimethylammonium ion, trioctylammonium ion, distearyldimethylammonium ion, trimethyloctadecylammonium ion, dimethyloctadecylammonium ion, methionoleoctadecinoleummonium ion, trime ion Chinoreddecinoleummonium ion, dimethinoredodedecyanmonium ion, methyldodecylvanmonium ion, trimethylhexadecyl ammonium ion, dimethylhexadecylammonium ion, methylhexadedecylammonium ion And the like.
- organic layered clay minerals those organically treated with distearyldimethylammonium are particularly preferable.
- the organic formation of the layered clay mineral can be obtained, for example, by immersing the clay mineral in an aqueous solution containing organic cations, and then washing the clay mineral with water to remove excess organic cations.
- the organic layered clay mineral obtained in this way is mixed with the rubber component and kneaded, whereby the layered clay mineral is dispersed as nano-order fine particles in the rubber, and the air permeability resistance is extremely effectively improved. It can be improved.
- the above-mentioned organically modified layered clay mineral is a rubber that satisfies both air permeability resistance and low-temperature durability, especially when it is blended with a rubber component having a glass transition temperature of -55 ° C or less.
- a composition can be obtained.
- the layered clay mineral may contain 5 to 80 parts by weight per 100 parts by weight of the rubber component.
- the amount is less than 5 parts by weight, the effect of blending the layered clay mineral is sufficiently exhibited. If the amount exceeds 80 parts by weight, the hardness may increase, and the low-temperature crack resistance may decrease.
- the more preferred content of the layered clay mineral is in the range of 10 to 60 parts by weight, and more preferably 30 to 50 parts by weight.
- the low-temperature embrittlement temperature of the rubber composition according to the present invention is ⁇ 40 ° C. or lower, and preferably is 142 ° C. or lower.
- the rubber composition of the present invention thus obtained is used as a rubber composition for an inner liner of a tire. Further, the tire of the present invention can be manufactured by a conventional manufacturing process by extruding the rubber composition as a member for an inner liner.
- FIG. 1 is a partial cross-sectional view showing an example of a tire according to the present invention.
- the tire is wound around a bead core 1 and has a cord direction directed in a radial direction.
- a belt portion having an inner liner layer 3 disposed radially inside the carcass layer in the tire radial direction, a belt portion having two belt layers 4 disposed radially outward of the crown portion of the carcass layer in the tire, and a belt portion disposed above the belt portion. It consists of a tread part 5 provided and side wall parts 6 arranged on the left and right of the tread part.
- the above-described rubber composition of the present invention is applied to the inner liner layer 3.
- the tire of the present invention may use an inert gas such as air or nitrogen as a filling gas.
- an inert gas such as air or nitrogen
- Air permeability air permeability resistance
- the air permeation coefficient was measured at 60 ° C using an air permeation tester M-C1 (manufactured by Toyo Seiki Co., Ltd.). Assuming that the air permeability of Comparative Example 1 was 100, the air permeability of Example 1, Comparative Examples 2 and 3 was indicated by an index. The smaller the index, the smaller the air permeability and the better the air permeability resistance.
- a rubber test piece was prepared in accordance with the low-temperature impact embrittlement test method of JIS K 6301 — 19995, and a low-temperature impact embrittlement test was performed. Examples 1-3 and Comparative Examples 1-3
- the mixture was kneaded at 110 ° C for 3 minutes and 45 seconds using a Brabender manufactured by Toyo Seiki Seisakusho to obtain a mixture. Sulfur was added to the mixture, and a rubber composition kneaded at 80 ° C for 1 minute and 30 seconds was obtained. This rubber composition was prepared using a 0.4 mm mold to prepare a sample for the air permeability test, and a 2 mm mold was used to prepare a sample for SS measurement. Vulcanized at 0 ° C. Table 1 shows the evaluation results.
- Vulcanization accelerator ;
- VULKAC ITDMMGJ manufactured by BAYER, dibenzothiazyl disulfide
- Vulcanization accelerator B manufactured by BAYER “VULKAC I T D / EGCJ, dipaninoleguadinine
- Vulcanization accelerator C B AYER's “CURE—R I TE BBT SJ * 17 Sulfur: Tsurumi Chemical's powdered sulfur
- Examples 1 to 3 according to the present invention have almost the same air permeation resistance and low-temperature embrittlement resistance as Comparative Example 1 when compared with Comparative Example 1 using the conventional butyl rubber-based rubber. It can be seen that equivalent performance is obtained. Especially in Examples 2 and 3, the effect is remarkable. In Comparative Example 2 in which butyl rubber-based rubber was compounded with the organic oxidizing agent, the air permeation resistance was improved, but the low-temperature embrittlement temperature was high, so that the object of the present invention was not satisfied. As described above, in the present invention, in order to secure desired air retention and low-temperature durability in an inner liner using a specific gen-based rubber, it is particularly effective to mix swelling my force. It was confirmed that there was. Industrial applicability
- the organic layered clay mineral in particular, has a swelling strength with respect to an organic solvent, and a gel having a glass transition temperature of not more than 55 ° C.
- a rubber composition for an inner liner having excellent air permeability resistance and a low low temperature embrittlement temperature.
- a tire in which this rubber composition is applied to an inner liner layer has excellent retentivity of a charged gas and has a significantly improved durability when used at extremely low temperatures such as in a cold region.
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)
- Dispersion Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Tires In General (AREA)
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE60332531T DE60332531D1 (de) | 2002-04-18 | 2003-04-17 | Kautschukzusammensetzung für innenschicht und reifen |
| US10/511,326 US20050148718A1 (en) | 2002-04-18 | 2003-04-17 | Rubber composition for inner liner and tire |
| EP03719120A EP1500678B1 (en) | 2002-04-18 | 2003-04-17 | Rubber composition for inner liner and tire |
| US11/357,180 US20060142463A1 (en) | 2002-04-18 | 2006-02-21 | Rubber composition for inner liner and tire |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002115732A JP4090264B2 (ja) | 2002-04-18 | 2002-04-18 | インナーライナー用ゴム組成物及びタイヤ |
| JP2002-115732 | 2002-04-18 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US11/357,180 Division US20060142463A1 (en) | 2002-04-18 | 2006-02-21 | Rubber composition for inner liner and tire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2003087214A1 true WO2003087214A1 (en) | 2003-10-23 |
Family
ID=29243433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2003/004904 Ceased WO2003087214A1 (en) | 2002-04-18 | 2003-04-17 | Rubber composition for inner liner and tire |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US20050148718A1 (ja) |
| EP (1) | EP1500678B1 (ja) |
| JP (1) | JP4090264B2 (ja) |
| DE (1) | DE60332531D1 (ja) |
| ES (1) | ES2342824T3 (ja) |
| WO (1) | WO2003087214A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7703489B2 (en) * | 2004-02-17 | 2010-04-27 | Sumitomo Rubber Industries, Ltd. | Rubber composition for base tread and pneumatic tire |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4738837B2 (ja) * | 2005-02-21 | 2011-08-03 | 東洋ゴム工業株式会社 | タイヤ用インナーライナーゴム組成物 |
| JP4750470B2 (ja) | 2005-05-25 | 2011-08-17 | 住友ゴム工業株式会社 | インナーライナー用ゴム組成物 |
| JP5048272B2 (ja) * | 2006-05-08 | 2012-10-17 | 住友ゴム工業株式会社 | 非極性ゴム組成物 |
| GB2442535B (en) | 2006-10-05 | 2011-07-13 | Ngf Europ Ltd | Method and articles |
| EP2102018B1 (en) | 2006-12-29 | 2010-11-03 | Bridgestone Americas Tire Operations, LLC | Tire innerliner |
| ES2355772T3 (es) * | 2006-12-29 | 2011-03-30 | Bridgestone Americas Tire Operations, Llc | Revestimiento interior de neumático. |
| US20090065676A1 (en) * | 2007-06-05 | 2009-03-12 | Halladay James R | High temperature rubber to metal bonded devices and methods of making high temperature engine mounts |
| KR101438831B1 (ko) | 2008-09-02 | 2014-09-05 | 현대자동차주식회사 | 액체봉입형 엔진마운트 다이아프램용 고무 조성물 |
| FR2943680B1 (fr) * | 2009-03-31 | 2012-12-28 | Michelin Soc Tech | Composition de caoutchoux et pneumatique utilisant cette composition. |
| US8454778B2 (en) | 2010-11-15 | 2013-06-04 | Ramendra Nath Majumdar | Pneumatic tire with barrier layer and method of making the same |
| JP5758618B2 (ja) * | 2010-12-14 | 2015-08-05 | 住友ゴム工業株式会社 | 空気入りタイヤおよびその製造方法 |
| RU2461591C1 (ru) * | 2011-01-11 | 2012-09-20 | Федеральное государственное унитарное предприятие "Научно-производственное предприятие "Прогресс" (ФГУП "НПП "Прогресс") | Резиновая смесь |
| KR20140044902A (ko) * | 2011-07-28 | 2014-04-15 | 스미토모 고무 고교 가부시키가이샤 | 공기 타이어 |
| JP5443554B2 (ja) | 2012-08-01 | 2014-03-19 | 住友ゴム工業株式会社 | インナーライナーを備えた空気入りタイヤ |
| US20140049487A1 (en) * | 2012-08-17 | 2014-02-20 | Qualcomm Incorporated | Interactive user interface for clothing displays |
| CA2902328A1 (en) | 2013-03-13 | 2014-10-09 | Basf Se | Inner liner for a pneumatic tire assembly |
| EP3114166B1 (en) * | 2014-03-05 | 2019-05-22 | Bridgestone Corporation | Rubber compound with a high impermeability to oxygen for tyre portions |
| FR3099169B1 (fr) * | 2019-07-26 | 2021-07-02 | Michelin & Cie | Pneu incorporant une composition de caoutchouc comprenant une résine hydrocarbure spécifique |
| FR3099168B1 (fr) | 2019-07-26 | 2021-07-02 | Michelin & Cie | Pneu incorporant une composition de caoutchouc comprenant une résine hydrocarbure spécifique |
| FR3099166B1 (fr) | 2019-07-26 | 2022-02-11 | Michelin & Cie | Pneu incorporant une composition de caoutchouc comprenant une résine hydrocarbure spécifique |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US592572A (en) | 1897-10-26 | Spool-holder | ||
| US2979470A (en) | 1955-08-10 | 1961-04-11 | Firestone Tire & Rubber Co | Tubeless tire innerliner |
| JPH0517641A (ja) | 1991-07-15 | 1993-01-26 | Ohtsu Tire & Rubber Co Ltd :The | タイヤのインナーライナー用ゴム組成物 |
| JPH08510421A (ja) * | 1993-04-05 | 1996-11-05 | エクソン・ケミカル・パテンツ・インク | 複合材料タイヤ用インナーライナー及びチューブ |
| JPH11140234A (ja) | 1997-11-13 | 1999-05-25 | Sumitomo Rubber Ind Ltd | インナーライナー用ゴム組成物 |
| US6034164A (en) | 1997-02-21 | 2000-03-07 | Exxon Research And Engineering Co. | Nanocomposite materials formed from inorganic layered materials dispersed in a polymer matrix |
| JP2000080207A (ja) * | 1998-09-04 | 2000-03-21 | Toyota Central Res & Dev Lab Inc | 粘土ゴム複合材料の製造方法 |
| JP2000160024A (ja) * | 1998-11-24 | 2000-06-13 | Yokohama Rubber Co Ltd:The | ガスバリヤー性に優れた熱可塑性エラストマー組成物およびそれを使用した積層体 |
| EP1195402A1 (en) | 2000-02-28 | 2002-04-10 | Bridgestone Corporation | Rubber composition for inner liner |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5005625A (en) * | 1989-04-24 | 1991-04-09 | The Goodyear Tire & Rubber Company | Pneumatic tire having air retention innerliner |
| EP0763563A1 (en) * | 1995-09-13 | 1997-03-19 | The Goodyear Tire & Rubber Company | Innerliner for pneumatic tires |
| BR0105083A (pt) * | 2000-11-17 | 2002-06-25 | Goodyear Tire & Rubber | Composição de borracha leve contendo argila |
-
2002
- 2002-04-18 JP JP2002115732A patent/JP4090264B2/ja not_active Expired - Fee Related
-
2003
- 2003-04-17 WO PCT/JP2003/004904 patent/WO2003087214A1/ja not_active Ceased
- 2003-04-17 DE DE60332531T patent/DE60332531D1/de not_active Expired - Lifetime
- 2003-04-17 US US10/511,326 patent/US20050148718A1/en not_active Abandoned
- 2003-04-17 ES ES03719120T patent/ES2342824T3/es not_active Expired - Lifetime
- 2003-04-17 EP EP03719120A patent/EP1500678B1/en not_active Expired - Lifetime
-
2006
- 2006-02-21 US US11/357,180 patent/US20060142463A1/en not_active Abandoned
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US592572A (en) | 1897-10-26 | Spool-holder | ||
| US2979470A (en) | 1955-08-10 | 1961-04-11 | Firestone Tire & Rubber Co | Tubeless tire innerliner |
| JPH0517641A (ja) | 1991-07-15 | 1993-01-26 | Ohtsu Tire & Rubber Co Ltd :The | タイヤのインナーライナー用ゴム組成物 |
| JPH08510421A (ja) * | 1993-04-05 | 1996-11-05 | エクソン・ケミカル・パテンツ・インク | 複合材料タイヤ用インナーライナー及びチューブ |
| US6034164A (en) | 1997-02-21 | 2000-03-07 | Exxon Research And Engineering Co. | Nanocomposite materials formed from inorganic layered materials dispersed in a polymer matrix |
| JPH11140234A (ja) | 1997-11-13 | 1999-05-25 | Sumitomo Rubber Ind Ltd | インナーライナー用ゴム組成物 |
| JP2000080207A (ja) * | 1998-09-04 | 2000-03-21 | Toyota Central Res & Dev Lab Inc | 粘土ゴム複合材料の製造方法 |
| JP2000160024A (ja) * | 1998-11-24 | 2000-06-13 | Yokohama Rubber Co Ltd:The | ガスバリヤー性に優れた熱可塑性エラストマー組成物およびそれを使用した積層体 |
| EP1195402A1 (en) | 2000-02-28 | 2002-04-10 | Bridgestone Corporation | Rubber composition for inner liner |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP1500678A4 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7703489B2 (en) * | 2004-02-17 | 2010-04-27 | Sumitomo Rubber Industries, Ltd. | Rubber composition for base tread and pneumatic tire |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1500678B1 (en) | 2010-05-12 |
| DE60332531D1 (de) | 2010-06-24 |
| EP1500678A9 (en) | 2005-03-30 |
| EP1500678A1 (en) | 2005-01-26 |
| US20050148718A1 (en) | 2005-07-07 |
| JP4090264B2 (ja) | 2008-05-28 |
| US20060142463A1 (en) | 2006-06-29 |
| ES2342824T3 (es) | 2010-07-15 |
| JP2003306579A (ja) | 2003-10-31 |
| EP1500678A4 (en) | 2009-01-14 |
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