WO2009014234A1 - ゴム組成物 - Google Patents
ゴム組成物 Download PDFInfo
- Publication number
- WO2009014234A1 WO2009014234A1 PCT/JP2008/063470 JP2008063470W WO2009014234A1 WO 2009014234 A1 WO2009014234 A1 WO 2009014234A1 JP 2008063470 W JP2008063470 W JP 2008063470W WO 2009014234 A1 WO2009014234 A1 WO 2009014234A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- group
- acid
- carbon atoms
- rubber composition
- weight
- Prior art date
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
- C08K3/36—Silica
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/17—Amines; Quaternary ammonium compounds
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/17—Amines; Quaternary ammonium compounds
- C08K5/19—Quaternary ammonium compounds
-
- 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
- C08K5/54—Silicon-containing compounds
- C08K5/548—Silicon-containing compounds containing sulfur
-
- 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
Definitions
- the present invention relates to a rubber composition having excellent processability, vulcanization characteristics and viscoelastic characteristics, and a pneumatic tire using the same.
- Silica is known to be incorporated into rubber compositions as a reinforcing filler, but silica generally tends to aggregate due to the formation of hydrogen bonds due to silanol groups present on the particle surface.
- the kneading time must be lengthened in order to disperse silica well in the rubber component, and the rubber composition obtained when the silica is insufficiently dispersed in the rubber component.
- the Mooney viscosity of the product becomes high and the processability becomes insufficient.
- an object of the present invention is to provide a rubber composition having excellent processability, vulcanization characteristics and viscoelastic characteristics. Means for solving the problem
- R j is a saturated or unsaturated group having 1 to 12 carbon atoms having at least one saturated or unsaturated organic group or hydroxyl group having no hydroxyl group and having at least one hydroxyl group. Represents an organic group
- R 2 , R 3 and R 4 are each independently a hydrogen atom, a saturated or unsaturated chain hydrocarbon group having 1 to 12 carbon atoms, or a saturated or unsaturated alicyclic group having 3 to 12 carbon atoms.
- ammine salt represented by the above formula has been found to improve the processability, vulcanization properties and viscoelastic properties of rubber compositions containing natural rubber and / or gen-based synthetic rubber, and completed the present invention.
- natural rubber N R
- gen-based synthetic rubber or a combination thereof (component (A)) is used as the rubber component.
- gen-based synthetic rubber include, for example, butadiene rubber (BR), isoprene rubber (IR), chloroprene rubber (CR), styrene-butadiene copolymer rubber (SBR), ethylene-propylene-genene copolymer. Rubber (EP DM), acrylonitrile-butadiene copolymer rubber (NBR), and the like.
- BR butadiene rubber
- IR isoprene rubber
- CR chloroprene rubber
- SBR styrene-butadiene copolymer rubber
- EP DM acrylonitrile-butadiene copolymer rubber
- NBR acrylonitrile-butadiene copolymer rubber
- Examples of the gay acid or silicate inorganic filler (component (B)) used in the rubber composition of the present invention include talc, kaolin, clay, silica powder my strength, wollastonite, zono. Examples include tritite, diatomaceous earth, synthetic wet silica, synthetic dry silica, synthetic calcium silicate, amorphous calcium silicate, amorphous pulgite, sericite, zeolite, bentonite, pyrophyllite, and zircon silicate.
- the inorganic filler (B) consists essentially of anhydrous or hydrous caustic acid. It is preferable that it is a thing.
- the blending amount of the inorganic filler (B) is 50 to 120 parts by weight, preferably 60 to 100 parts by weight per 100 parts by weight of the component (A).
- the inorganic filler (B) in the component (A) it is preferable to add 1 to 20% by weight of a silane coupling agent with respect to the total weight of the inorganic filler (B). .
- R 1 in the general formula (I) of the ammine salt (component (C)) used in the rubber composition of the present invention include saturated or unsaturated chain carbonization having 1 to 12 carbon atoms.
- R 1 is a saturated or unsaturated chain hydrocarbon group having 1 to 12 carbon atoms, an aromatic hydrocarbon group having 6 to 12 carbon atoms, and a hydroxy-substituted derivative of these groups. Selected from those having at least one hydroxyl group. More preferably, R i is a saturated or unsaturated chain hydrocarbon group having 2 to 4 carbon atoms, o-, m- and p-phenylene groups, and a hydroxy-substituted derivative of these groups.
- hydride group such as ethylene group, trimethylene group, tetramethylene group, 1, 2, 3 — tolylpropane group (—CH 2 — CH— CH 2 _), vinylene group, o — 1,2-hydroxyethylene group (one CH 2 —CH (OH) one), 1,2-dihydroxyethylene group (—CH (0 H) -CH (OH) one), 1, 2, 3 — selected from triyl-2-hydroxypropane (—CH 2 — C (OH)-CH 2 —).
- hydride group such as ethylene group, trimethylene group, tetramethylene group, 1, 2, 3 — tolylpropane group (—CH 2 — CH— CH 2 _), vinylene group, o — 1,2-hydroxyethylene group (one CH 2 —CH (OH) one), 1,2-dihydroxyethylene group (—CH (0 H) -CH (OH) one), 1, 2, 3 — selected from triyl-2-hydroxypropane (—CH 2 — C (OH)-CH 2 —).
- R 1 is a saturated or unsaturated heteroatom-containing chain hydrocarbon group having 1 to 12 carbon atoms
- examples of the heteroatom contained in the heteroatom-containing chain hydrocarbon group include nitrogen, Examples include oxygen and sulfur atoms.
- the heteroatom is selected from nitrogen, oxygen, and sulfur atoms
- the nitrogen, oxygen atom, and sulfur atoms are carbon atoms of the above-described heteroatom-containing chain hydrocarbon group as a group such as an amino group, an ether group, or a thioether group. Can be included in the chain.
- the above-mentioned saturated or unsaturated chain hydrocarbon group having 1 to 12 carbon atoms can be linear or branched.
- a saturated or unsaturated alicyclic hydrocarbon group having 3 to 12 carbon atoms an aromatic hydrocarbon group having 6 to 18 carbon atoms, a complex having 5 to 18 ring atoms and 2 or more carbon atoms.
- the above carbon number means the total carbon number including the carbon number of the substituent.
- At least two of R 2 , R 3 and R 4 together with the nitrogen atom to which they are attached are heterocyclic groups having 5 to 18 ring atoms and 2 or more carbon atoms, such as furanyl Group, enyl group, pyrrolyl group, oxazolyl group, isoxazolyl group, thiazolyl group, isothiazolyl group, imidazolyl group, pyrazolyl group, triazolyl group, pyridinyl group, pyrimidinyl group, pyridazinyl group, piperazinyl group, piperazinyl group , An indolyl group, an isoindolyl group, a benzofuranyl group, a benzophenyl group, a quinolinyl group, an acridinyl group, and the like may be formed.
- R 2 , R 3 and R 4 are each independently a saturated or unsaturated chain hydrocarbon having 4 to 6 carbon atoms, a saturated or unsaturated alicyclic hydrocarbon group having 6 carbon atoms and a carbon number. Selected from 6 to 8 aromatic hydrocarbon groups.
- the compounding amount of the amine salt (C) in the rubber composition of the present invention is 0.2 to 20 parts by weight, preferably 0.5 to 8 parts by weight with respect to 100 parts by weight of the component (A). .
- the amine salt has the following general formula ( ⁇ ):
- tertiary amines include saturated or unsaturated chain hydrocarbon groups, alicyclic hydrocarbon groups, aromatics described as specific examples of R 2 , R 3 and R 4 in formula (I) Tertiary amines having three groups selected from hydrocarbon groups and heterocyclic groups as N-substituents, such as trimethylamine, triethylamine, tetramethylethylenediamine, N, N-diisopropylethylamine , N, N —dimethyl Cyclohexylamine, N-methyl-dicyclohexylamine, Tricyclohexylamine, N, N-Dimethylaniline, N, N-Dimethyl-1-mononaphthylamine, 1,8-bis (dimethylamino) Mononaphthalene, 4-dimethylaminopyridine N, N-dimethylbenzylamine, N, N-jetylbenzylamine, N-benzyl
- the amine of the general formula (III) is R 2 , R 3 and
- R 4 is a saturated or unsaturated chain hydrocarbon having 4 to 6 carbon atoms, a saturated or unsaturated alicyclic hydrocarbon group having 6 carbon atoms, or an aromatic hydrocarbon group having 6 to 8 carbon atoms.
- O selected from the amines having the selected one, more preferably, the amine of the general formula (III) is
- amine It is a mono- or di-primary amine having one or two amine groups.
- preferred amines include tert-ptylamine, hexamethylenediamine, cyclohexylamine, and phenylethylamine.
- reaction temperature depends on the solvent used, the volatility and stability of the opiamine carboxylic acid, and the solubility of the carboxylic acid and amine in the solvent when the amine salt (C) is synthesized in the presence of the solvent. It can be determined in consideration of the sex.
- the reaction temperature can be determined in view of the mutual solubility between the carboxylic acid and the amine.
- the amine salts 1 to 15 used in the following examples of the present invention were synthesized by the following synthesis method.
- the following analytical methods were used to identify amine salts 1 to 15
- Nuclear magnetic resonance spectroscopy ( "H- NMR and 13 C-NMR) nuclear magnetic resonance spectroscopy H- NM R and 13 C-NM R) is Bull force one company made of a nuclear magnetic resonance spectrometer AV 4 0 0 M (4 0 0 MHz) and heavy dimethyl sulfoxide (heavy DMS O) as solvent I went there.
- ammine salt 10 Analyzed by NMR, it was identified as a hydroxyammonium salt represented by the following structural formula (hereinafter “ammine salt 10”).
- the amine salt of ricinoleic acid and cyclohexylamine was obtained by removing acetone and unreacted cyclohexylamine by drying at 45 ° C under reduced pressure (hereinafter referred to as “amine salt 15”).
- the results of 1 H—NMR analysis of the amine salt 15 are as follows.
- ingredients other than sulfur and a vulcanization accelerator are mixed for about 5 minutes using a 1.7-liter sealed bumper mixer. Discharged from the mixer. Thereafter, using a roll, sulfur and a vulcanization accelerator were mixed for about 3 minutes to obtain each unvulcanized rubber composition of Examples 1 to 12 and Comparative Examples 1 to 5.
- the amine salt compounded in the unvulcanized rubber compositions of Examples 1, 2 and 7 is Amamine salt 1
- the amine salt compounded in the unvulcanized rubber compositions of Examples 3 to 6 is the amine salt 2 respectively.
- the amine salts compounded in the unvulcanized rubber compositions of Examples 8 to 12 are amine salts 6 to 10 respectively.
- HP 752 styrene-butadiene copolymer rubber manufactured by JSR Corporation
- Nipol BR 1220 butadiene rubber manufactured by Nippon Zeon Co., Ltd.
- Aerosil R 2 0 2 manufactured by Nippon Aerosil Co., Ltd.
- Si 6 9 bis (3-triethoxysilyl pill) tetrasulfide
- Nipol SBR 1502 styrene-butadiene copolymer rubber manufactured by Nippon Zeon Co., Ltd.
- Mooney viscosity was measured continuously using an L-shaped outlet overnight under the conditions of a preheating time of 1 minute and a test temperature of 125 ° C. Mooney scorch time (ML) until Mooney viscosity rises 5 points from V m , where the minimum Mooney viscosity is V n
- Mooney scorch time is an index of scorch (rubber burn), and a larger value is preferable.
- ML 5 U is an index of scorch (rubber burn), and a larger value is preferable.
- ML 5 U is an index of scorch (rubber burn), and a larger value is preferable.
- ML 5 U is an index of scorch (rubber burn), and a larger value is preferable.
- ML 5 U is an index of scorch (rubber burn) in “P” means that the viscosity measurement was discontinued in 45 minutes.
- Each sample of the unvulcanized rubber compositions of Examples 1 to 1 and Comparative Examples 1 to 5 was press vulcanized at 160 ° for 30 minutes, length 15 cm, width 15 cm and thickness 2
- a vulcanized rubber sheet of mm was produced.
- a test piece was prepared from this vulcanized rubber sheet, using a viscoelastic spectrum manufactured by Toyo Seiki Seisakusho Co., Ltd., at a temperature of 110 ° C, a frequency of 6 cpm, and a strain of 0.
- Zinc oxide 2.5 parts by weight
- Vulcanization accelerator CBS * 9 1.7 parts by weight
- Vulcanization accelerator DPG * 10 12.0 parts by weight
- Addition of the strong ruponic acid amine salt of the present invention to a silica-containing rubber improves the processability, mechanical strength, rolling resistance and wet performance of the rubber composition, and is useful as a rubber composition for tire caps. .
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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)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008557372A JP4364299B2 (ja) | 2007-07-20 | 2008-07-18 | ゴム組成物 |
DE112008001940T DE112008001940T5 (de) | 2007-07-20 | 2008-07-18 | Gummizusammensetzung |
CN2008800254015A CN101755003B (zh) | 2007-07-20 | 2008-07-18 | 橡胶组合物 |
US12/669,885 US8445572B2 (en) | 2007-07-20 | 2008-07-18 | Rubber composition |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007-189792 | 2007-07-20 | ||
JP2007189792 | 2007-07-20 | ||
JP2007189810 | 2007-07-20 | ||
JP2007-189810 | 2007-07-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009014234A1 true WO2009014234A1 (ja) | 2009-01-29 |
Family
ID=40281476
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2008/063470 WO2009014234A1 (ja) | 2007-07-20 | 2008-07-18 | ゴム組成物 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8445572B2 (ja) |
JP (1) | JP4364299B2 (ja) |
CN (1) | CN101755003B (ja) |
DE (1) | DE112008001940T5 (ja) |
WO (1) | WO2009014234A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011032380A (ja) * | 2009-08-03 | 2011-02-17 | Yokohama Rubber Co Ltd:The | スチール線材被覆用ゴム組成物 |
JP2011052090A (ja) * | 2009-09-01 | 2011-03-17 | Yokohama Rubber Co Ltd:The | タイヤ用ゴム組成物およびそれを用いた空気入りタイヤ |
CN104379364A (zh) * | 2012-06-06 | 2015-02-25 | 朗盛德国有限责任公司 | 含有硅酸并且含有含硫添加剂的橡胶混合物 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2543207C2 (ru) * | 2010-08-20 | 2015-02-27 | Дзе Йокогама Раббер Ко., Лтд. | Каучуковая композиция и пневматическая шина |
FR3001971B1 (fr) * | 2013-02-14 | 2016-05-27 | Rhodia Operations | Utilisation d'un acide polycarboxylique lors de la preparation d'une composition d'elastomere(s) |
CN103724704B (zh) * | 2013-12-27 | 2015-12-30 | 北京彤程创展科技有限公司 | 一种轮胎胎面橡胶组合物以及使用其的轮胎 |
IT201600108121A1 (it) * | 2016-10-26 | 2018-04-26 | Pirelli | Nuovi materiali di rinforzo, composizioni elastomeriche e pneumatici per ruote di veicoli che li comprendono |
KR101944949B1 (ko) * | 2017-03-30 | 2019-02-01 | 주식회사유성화연테크 | 고무 조성물용 분산제 및 이를 포함한 고무 조성물 |
WO2019213185A1 (en) | 2018-05-04 | 2019-11-07 | Bridgestone Americas Tire Operations, Llc | Tire tread rubber composition |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63289050A (ja) * | 1987-05-22 | 1988-11-25 | Mitsui Petrochem Ind Ltd | 加硫可能ゴム組成物 |
JP2002088015A (ja) * | 2000-09-18 | 2002-03-27 | Denki Kagaku Kogyo Kk | 1級アミン塩化合物 |
JP2002194147A (ja) * | 2000-12-27 | 2002-07-10 | Inoac Corp | ゴム加工助剤及びゴム組成物 |
JP2003026864A (ja) * | 2001-07-18 | 2003-01-29 | Denki Kagaku Kogyo Kk | クロロプレン系ゴム組成物 |
JP2003138077A (ja) * | 2001-11-07 | 2003-05-14 | Denki Kagaku Kogyo Kk | ゴム組成物 |
JP2003138085A (ja) * | 2001-11-07 | 2003-05-14 | Denki Kagaku Kogyo Kk | ゴム組成物 |
JP2006131683A (ja) * | 2004-11-02 | 2006-05-25 | Bridgestone Corp | ゴム組成物および空気入りタイヤ |
JP2008050451A (ja) * | 2006-08-23 | 2008-03-06 | Yokohama Rubber Co Ltd:The | タイヤ用ゴム組成物並びにそれをキャップトレッド及び/又はベーストレッドに用いた空気入りタイヤ |
JP2008150295A (ja) * | 2006-12-14 | 2008-07-03 | Yokohama Rubber Co Ltd:The | 熱解離性部位を有するカルボン酸のアミン塩化合物並びにそれを含むゴム加硫用配合剤及びゴム組成物 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6080809A (en) * | 1997-07-30 | 2000-06-27 | Bridgestone/Firestone, Inc. | Kaolin clay in silica tread compounds technical field |
WO2001023467A1 (fr) * | 1999-09-27 | 2001-04-05 | Asahi Kasei Kabushiki Kaisha | Composition de caoutchouc |
JP3902107B2 (ja) | 2001-10-05 | 2007-04-04 | 株式会社ブリヂストン | ゴム組成物 |
JP2007039585A (ja) * | 2005-08-04 | 2007-02-15 | Sumitomo Rubber Ind Ltd | ゴム組成物およびこれを用いた空気入りタイヤ |
-
2008
- 2008-07-18 CN CN2008800254015A patent/CN101755003B/zh not_active Expired - Fee Related
- 2008-07-18 US US12/669,885 patent/US8445572B2/en not_active Expired - Fee Related
- 2008-07-18 DE DE112008001940T patent/DE112008001940T5/de not_active Withdrawn
- 2008-07-18 JP JP2008557372A patent/JP4364299B2/ja not_active Expired - Fee Related
- 2008-07-18 WO PCT/JP2008/063470 patent/WO2009014234A1/ja active Application Filing
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63289050A (ja) * | 1987-05-22 | 1988-11-25 | Mitsui Petrochem Ind Ltd | 加硫可能ゴム組成物 |
JP2002088015A (ja) * | 2000-09-18 | 2002-03-27 | Denki Kagaku Kogyo Kk | 1級アミン塩化合物 |
JP2002194147A (ja) * | 2000-12-27 | 2002-07-10 | Inoac Corp | ゴム加工助剤及びゴム組成物 |
JP2003026864A (ja) * | 2001-07-18 | 2003-01-29 | Denki Kagaku Kogyo Kk | クロロプレン系ゴム組成物 |
JP2003138077A (ja) * | 2001-11-07 | 2003-05-14 | Denki Kagaku Kogyo Kk | ゴム組成物 |
JP2003138085A (ja) * | 2001-11-07 | 2003-05-14 | Denki Kagaku Kogyo Kk | ゴム組成物 |
JP2006131683A (ja) * | 2004-11-02 | 2006-05-25 | Bridgestone Corp | ゴム組成物および空気入りタイヤ |
JP2008050451A (ja) * | 2006-08-23 | 2008-03-06 | Yokohama Rubber Co Ltd:The | タイヤ用ゴム組成物並びにそれをキャップトレッド及び/又はベーストレッドに用いた空気入りタイヤ |
JP2008150295A (ja) * | 2006-12-14 | 2008-07-03 | Yokohama Rubber Co Ltd:The | 熱解離性部位を有するカルボン酸のアミン塩化合物並びにそれを含むゴム加硫用配合剤及びゴム組成物 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011032380A (ja) * | 2009-08-03 | 2011-02-17 | Yokohama Rubber Co Ltd:The | スチール線材被覆用ゴム組成物 |
JP2011052090A (ja) * | 2009-09-01 | 2011-03-17 | Yokohama Rubber Co Ltd:The | タイヤ用ゴム組成物およびそれを用いた空気入りタイヤ |
CN104379364A (zh) * | 2012-06-06 | 2015-02-25 | 朗盛德国有限责任公司 | 含有硅酸并且含有含硫添加剂的橡胶混合物 |
CN104379364B (zh) * | 2012-06-06 | 2016-09-07 | 朗盛德国有限责任公司 | 含有硅酸并且含有含硫添加剂的橡胶混合物 |
Also Published As
Publication number | Publication date |
---|---|
US8445572B2 (en) | 2013-05-21 |
DE112008001940T5 (de) | 2010-05-27 |
CN101755003A (zh) | 2010-06-23 |
CN101755003B (zh) | 2013-03-06 |
JP4364299B2 (ja) | 2009-11-11 |
US20100222478A1 (en) | 2010-09-02 |
JPWO2009014234A1 (ja) | 2010-10-07 |
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