WO1998018859A1 - Composition de caoutchouc - Google Patents
Composition de caoutchouc Download PDFInfo
- Publication number
- WO1998018859A1 WO1998018859A1 PCT/JP1997/003853 JP9703853W WO9818859A1 WO 1998018859 A1 WO1998018859 A1 WO 1998018859A1 JP 9703853 W JP9703853 W JP 9703853W WO 9818859 A1 WO9818859 A1 WO 9818859A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- rubber composition
- rubber
- group
- radical
- compound
- Prior art date
Links
Classifications
-
- 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
-
- 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
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/41—Compounds containing sulfur bound to oxygen
-
- 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
-
- 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
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
-
- 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
-
- 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
- C08K5/32—Compounds containing nitrogen bound to oxygen
-
- 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
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3412—Heterocyclic compounds having nitrogen in the ring having one nitrogen atom in the ring
- C08K5/3415—Five-membered rings
-
- 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
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3412—Heterocyclic compounds having nitrogen in the ring having one nitrogen atom in the ring
- C08K5/3432—Six-membered rings
- C08K5/3435—Piperidines
-
- 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
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3442—Heterocyclic compounds having nitrogen in the ring having two nitrogen atoms in the ring
-
- 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
- C08K5/49—Phosphorus-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L21/00—Compositions of unspecified rubbers
Definitions
- the present invention relates to a rubber composition, and more particularly, to a rubber composition, in which a free radical-containing compound having a strong radical trapping function is blended, which is excellent in processability, has a high grip force, and generates heat.
- a rubber composition which is less in amount, prevents oxidative deterioration during wear, has improved wear resistance, and has an excellent balance between high-jet braking and low rolling resistance (balance of tan ⁇ 5).
- Japanese Unexamined Patent Publication (Kokai) No. 62-1484854 discloses a green strength and a green modulus obtained by blending a natural rubber or a gen-based synthetic rubber with an aggressive filler and isomaleide. And a rubber composition having low heat build-up and good crack growth resistance.
- an object of the present invention is to provide a rubber composition having excellent workability, high grip, excellent balance of low heat generation, and improved wear resistance.
- Another object of the present invention is to provide a rubber composition which is excellent in workability, is excellent in balance between high-cut braking and low rolling resistance (ta ⁇ (balance of 5)), and has improved wear resistance. Is to provide.
- a rubber composition is provided.
- At least one kind of gen-based rubber 100 parts by weight, at least 20 parts by weight of at least one type of scavenger, and amino groups, isocyanate groups, hydroxy groups, carboxyl groups, oxylane groups, and thiirane groups.
- At least one type of la selected from the group consisting of nitroxyradical, hydrazinoleradical, aryloxylradical, and tritylradical having at least one substituent selected from the group consisting of:
- a rubber composition comprising a compound and 0.1 to 10 parts by weight of a compound which is stably present at room temperature in the presence of oxygen.
- FIG. 1 (a), FIG. 1 (b), FIG. 1 (c), and FIG. 1 (d) are drawings schematically illustrating a function of the rubber composition of the present invention in which rubber deterioration or aging is prevented.
- the rubber compounded as the main component in the rubber composition according to the present invention may be any gen-based rubber conventionally compounded generally in various rubber compositions, for example, natural rubber (NR), polyisoprene. Rubbers (IR), various styrene-butadiene copolymer rubbers (SBR), various polybutadiene rubbers (BR), acrylonitrile-butadiene copolymer rubber (NBR), butyl rubber (IIR) The system rubber can be used alone or as an optional blend.
- NR natural rubber
- IR various styrene-butadiene copolymer rubbers
- SBR various polybutadiene rubbers
- BR acrylonitrile-butadiene copolymer rubber
- IIR butyl rubber
- the system rubber can be used alone or as an optional blend.
- Examples of the sequestering agent to be added to the rubber composition according to the present invention include force black, sili force, and the like.
- 4 to 100 parts by weight of the gen-based rubber is used. 0 parts by weight or more, preferably 50 to 120 parts by weight. If the amount is too small, the rubber composition must be used. It is not preferable because the necessary reinforcement cannot be obtained.
- the carbon black used in the rubber composition according to the present invention preferably has a nitrogen adsorption specific surface area (N 2 SA) of 20 to 200 m 2 Zg, more preferably 50 to 1 7 0 m 2 Z g, is properly DBP oil absorption favored 6 0 ⁇ 1 3 0 ml / 1 0 0 g, rather further favored 8 0 ⁇ 1 2 0 ml / 1 0 0 g der ⁇ ) o
- N 2 SA nitrogen adsorption specific surface area
- the silica used in the rubber composition according to the present invention can be any silica (or white carbon) that can be used for rubber compounding, and preferably has an N 2 SA of 80 to 80. 3 0 0 m 2, more preferred and rather 1 0 0 ⁇ 2 5 0 m 2 / DBP oil absorption amount g is 1 0 0 ⁇ 3 0 0 ml / 1 0 0 g, is rather further preferred 1 2 0 It is 250 ml / 100 g.
- the method for measuring the characteristics of carbon black and silicon force is as follows.
- At least one kind of room temperature comprising at least one of nitroxyradical, hydrazylradical, aryloxylradical, tritylradical and an analog thereof as essential components 0.1 to 10 parts by weight, preferably 0.5 to 5 parts by weight, based on 100 parts by weight of the gen-based rubber, of a compound containing a radical which is stably present in the presence of oxygen in the molecule.
- a compound containing a radical which is stably present in the presence of oxygen in the molecule 0.1 to 10 parts by weight, preferably 0.5 to 5 parts by weight, based on 100 parts by weight of the gen-based rubber, of a compound containing a radical which is stably present in the presence of oxygen in the molecule.
- the following compounds can be exemplified as the compound containing in its molecule a generally stable radical that can be used in the first embodiment of the present invention.
- a rubber composition to which the free radical-containing compound having a strong radical capturing function is added.
- the rubber adsorbing component generated on carbon is controlled so that the effect of carbon on the rubber matrix component far from the rubber inside the rubber composition is reduced as much as possible.
- radicals generated by mechanochemical cleavage of rubber molecular chains due to shear force generated when carbon and rubber are mixed are stably present at room temperature in the presence of oxygen.
- the efficient capture of the free radical-containing compound prevents cross-linking of rubber and reduces excess rubber-adsorbed components.
- the rubber viscosity at the time of unvulcanization can be reduced, and a rubber with a good tan (5 balance) can be produced, and a rubber with good workability, high jet braking, and low rolling resistance balance can be obtained.
- the normally stable free radical-containing compound is capable of cross-linking rubber by capturing the radicals generated by mechanochemical cleavage of the rubber molecule chains due to the shear force generated during wear. , The formation of microdomains can be suppressed, the deterioration of fracture properties can be prevented, and thereby the abrasion resistance can be improved.
- the reinforcing agent compounded in the second embodiment of the rubber composition according to the present invention examples thereof include power black, silica, and the like. In this case, 100 parts by weight or more, preferably 40 to 60 parts by weight, based on 100 parts by weight of the gen-based rubber. If this amount is too small It not properly preferred because capturing strengthening property can not be obtained necessary as the rubber composition.
- the essential component is selected from the group consisting of an amino group, an isocyanate group, a hydroxyl group, a carboxyl group, an oxylan group and a thiirane group.
- a compound containing at least one kind of radical selected from the group consisting of xylradical and tritylradical, which is stably present at room temperature and in the presence of oxygen, is added to 100 parts by weight of the gen-based rubber. 0.1 to 10 parts by weight, preferably 0.5 to 5 parts by weight. If the amount is too small, the desired effect cannot be obtained, while if it is too large, the necessary reinforcing properties of the rubber composition cannot be obtained, which is not preferable.
- Examples of the compound that can be used in the second aspect of the present invention include the following compounds.
- R is C, 0, N, S, P, C! ⁇ C 3.
- the ⁇ of Li Lumpur groups least also one or a single bond
- R 1 to R 4 each independently represent hydrogen or a C ⁇ to C 4 alkyl group such as a methyl group or an ethyl group
- A independently represents an amino group, an isocyanate group, a hydroxyl group
- n represents an integer of 1 to 6.
- substituted nitroxydradical-containing compound represented by the formula (I) and other substituted dihydroxydradical-containing compounds are as follows. 4-amino-2,2,6,6-tetramethylpiperidinyloxy (TEMPO)
- nitroxide radicals As examples of other nitroxide radicals, the following substituted radicals of the radical compounds can also be mentioned as the nitroxide radical-containing compounds of the present invention.
- I hydrazyl radical compound examples include the following compounds.
- Examples of the substituted trityl radical-containing compound and analogs thereof include substituted compounds of the compound.
- the radical is immediately trapped by 4-amino-TEMPO as shown in Fig. 1 (c), and the rubber is generated by free radicals in the rubber molecule. It is possible to effectively prevent phenomena such as deterioration and aging. However, such a radical trap tends to increase the number of rubber terminals, and as a result, the physical properties of the rubber tends to decrease.
- an amino group, an isocyanate group, a hydroxyl group, a carboxyl group, and the like, which can react with a hydroxyl group or a carbonyl group on the surface of carbon black or silica are free radical (
- the trapped rubber ends react with the carbon black (or silica) surface, as shown in Fig. 1 (d), and the number of ends is reduced.
- the wear resistance is improved, and the balance of high rolling braking and low rolling resistance can be remarkably improved.
- vulcanization or crosslinking accelerators in addition to the above-mentioned essential components, vulcanization or crosslinking accelerators, various oils, anti-aging agents, plasticizers, and the like are generally compounded for tires and other general rubbers.
- Various additives can be compounded, and such a compound can be kneaded and vulcanized by a general method to obtain a composition, which can be used for vulcanization or crosslinking.
- the amounts of these additives may be the conventional general amounts as long as they do not contradict the object of the present invention.
- the vulcanization accelerator and the components excluding sulfur are kneaded for 3 to 5 minutes in a 1.8-liter closed mixer, and when the temperature reaches 1 65 ⁇ 5 ° C.
- the released master batch was kneaded with an 8-inch open roll with a vulcanization accelerator and sulfur to obtain a rubber composition.
- the unvulcanized physical properties of the obtained rubber composition were measured.
- test methods for the unvulcanized and vulcanized properties of the compositions obtained in each example are as follows.
- Abrasion resistance was measured at a temperature of 20 ° C using a Rambon type abrasion tester (manufactured by Iwamoto Seisakusho), and the abrasion loss was displayed as an index.
- Abrasion resistance (index) [(weight loss of standard example) Z (weight loss of sample)] X100 (Note) The larger this index, the better the abrasion resistance.
- the vulcanization accelerator and the components excluding sulfur were kneaded for 3 to 5 minutes in a closed mixer of 1 to 8 liters, and when they reached 1 65 ⁇ 5 ° C.
- the released master batch was kneaded with a vulcanization accelerator and sulfur with an 8-inch open roll to obtain a rubber composition.
- the unvulcanized physical properties (Mu-221 viscosity) of the obtained rubber composition were measured. The results are shown in Table II-11.
- this composition was press-vulcanized in a mold of 15 ⁇ 15 ⁇ 0.2 cm at 160 ° C. for 20 minutes to prepare a target test piece (rubber sheet).
- the sulphate properties were evaluated. The results are shown in Table II-11.
- Diamond Black I Mitsubishi Chemical Corporation
- NHTEMP0 4—Amino—2, 2, 6, 6-Tetramethylpyperidinyoxy (Aldrich Chemical)
- NCOTEMPO 4-Isocyanato 2,2,6,6 —tetramethyl piperidinyloxy
- NS N_tert_butyl-2—Venzothiazylsulfonamide (Ouchi Shinko Chemical Co., Ltd.) II- I_ (continued) ⁇ — fi
- Nipol IR-2200 manufactured by Zeon Corporation
- Diamond Black I Mitsubishi Chemical Corporation
- NHTEMPO 4 _ Amino 2, 2, 6, 6-Tetrametyl piperidinyloxy (Al-Doli Tsuchi Chemical)
- NCOTEMPO 4-Isocyanato 2 2 6 6 —Tetrametylpiperidinyloxy MDP-TEMPO
- the specific free radical-containing organic compound having a strong radical trapping function includes an amino group, an isocyanate group, a hydroxy group, and a carboxyl group.
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)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/091,739 US6084015A (en) | 1996-10-25 | 1997-10-23 | Rubber composition |
EP97909611A EP0870798B1 (en) | 1996-10-25 | 1997-10-23 | Rubber composition |
DE69727550T DE69727550T2 (de) | 1996-10-25 | 1997-10-23 | Gummizusammensetzung |
KR1019980704885A KR100287052B1 (ko) | 1996-10-25 | 1997-10-23 | 고무 조성물 및 이를 포함하는 공기타이어 |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8/284080 | 1996-10-25 | ||
JP28408096 | 1996-10-25 | ||
JP9/140107 | 1997-05-29 | ||
JP14010797 | 1997-05-29 | ||
JP9/192792 | 1997-07-17 | ||
JP9192792A JPH1143557A (ja) | 1997-05-29 | 1997-07-17 | ゴム組成物 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998018859A1 true WO1998018859A1 (fr) | 1998-05-07 |
Family
ID=27317999
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1997/003853 WO1998018859A1 (fr) | 1996-10-25 | 1997-10-23 | Composition de caoutchouc |
Country Status (5)
Country | Link |
---|---|
US (1) | US6084015A (ja) |
EP (1) | EP0870798B1 (ja) |
KR (1) | KR100287052B1 (ja) |
DE (1) | DE69727550T2 (ja) |
WO (1) | WO1998018859A1 (ja) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2791060A1 (fr) * | 1999-03-18 | 2000-09-22 | Atochem Elf Sa | Procede de preparation d'un caoutchouc porteur de radical libre stable et utilisation dudit caoutchouc porteur pour la preparation d'un polymere vinylaromatique choc |
AU3160801A (en) * | 1999-12-30 | 2001-07-16 | Pirelli Pneumatici S.P.A. | Method for improving processability and storage stability of a silica filled elastomeric composition |
US6642291B2 (en) * | 2000-05-25 | 2003-11-04 | The Yokohama Rubber Co., Ltd. | Viscoelasticity improving agent for rubber and rubber composition containing the same |
FR2814749B1 (fr) * | 2000-10-03 | 2003-06-13 | Atofina | Composition retardant le grillage |
FR2819517B1 (fr) * | 2000-10-03 | 2003-03-21 | Atofina | Composition comprenant un nitroxyde, un promoteur et eventuellement un initiateur de radicaux libres |
US6852794B2 (en) * | 2001-09-07 | 2005-02-08 | The Goodyear Tire & Rubber Company | Rubber compound containing a polyhedral oligomeric silsesquioxanes |
US6767940B2 (en) * | 2002-07-25 | 2004-07-27 | Acushnet Company | Golf ball compositions comprising stable free radicals |
JP2004182926A (ja) * | 2002-12-05 | 2004-07-02 | Yokohama Rubber Co Ltd:The | ポリマーの変性方法 |
US7776603B2 (en) * | 2003-04-01 | 2010-08-17 | Cabot Corporation | Methods of specifying or identifying particulate material |
US20040197924A1 (en) * | 2003-04-01 | 2004-10-07 | Murphy Lawrence J. | Liquid absorptometry method of providing product consistency |
US7000457B2 (en) * | 2003-04-01 | 2006-02-21 | Cabot Corporation | Methods to control and/or predict rheological properties |
US7776604B2 (en) * | 2003-04-01 | 2010-08-17 | Cabot Corporation | Methods of selecting and developing a particulate material |
US7776602B2 (en) * | 2003-04-01 | 2010-08-17 | Cabot Corporation | Methods of providing product consistency |
US7226964B2 (en) | 2003-04-03 | 2007-06-05 | Arkema France | Composition comprising a nitroxide, a promoter and optionally a free-radical initiator |
JP4101242B2 (ja) * | 2004-04-01 | 2008-06-18 | 横浜ゴム株式会社 | ポリマーの変性方法 |
JP4315866B2 (ja) * | 2004-06-29 | 2009-08-19 | 横浜ゴム株式会社 | 硬化性エポキシ樹脂組成物 |
JP3963917B2 (ja) * | 2005-01-12 | 2007-08-22 | 横浜ゴム株式会社 | ポリマーの変性方法 |
US7722713B2 (en) * | 2005-05-17 | 2010-05-25 | Cabot Corporation | Carbon blacks and polymers containing the same |
US8686071B2 (en) | 2010-07-01 | 2014-04-01 | The Goodyear Tire & Rubber Company | Rubber composition, preparation and tire with component |
US8584725B2 (en) | 2010-09-17 | 2013-11-19 | The Goodyear Tire & Rubber Company | Rubber composition, preparation and tire with component |
EP2789609A1 (en) * | 2013-04-11 | 2014-10-15 | Bruker Biospin (SAS) | Highly efficient polarizing agents for dynamic nuclear polarization |
JP6351495B2 (ja) * | 2014-12-16 | 2018-07-04 | 住友ゴム工業株式会社 | 空気入りタイヤ |
US9234089B1 (en) * | 2014-12-17 | 2016-01-12 | The Goodyear Tire & Rubber Company | Pneumatic tire with siloxy nitroxide |
CN112159556B (zh) * | 2020-05-08 | 2022-02-15 | 华南理工大学 | 一种具有热可逆重复加工性能的橡胶复合材料的制备方法 |
US20240026095A1 (en) | 2020-12-09 | 2024-01-25 | Beyond Lotus Llc | Method of preparing a compound having elastomer and filler |
WO2022125683A1 (en) | 2020-12-09 | 2022-06-16 | Beyond Lotus Llc | Methods of preparing a composite comprising never-dried natural rubber and filler |
US20240026128A1 (en) | 2020-12-09 | 2024-01-25 | Beyond Lotus Llc | Methods of preparing a composite having elastomer, filler, and linking agents |
KR20240117594A (ko) | 2021-12-08 | 2024-08-01 | 비욘드 로투스 엘엘씨 | 수지를 갖는 복합물을 제조하는 방법 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08239510A (ja) * | 1995-02-07 | 1996-09-17 | Elf Atochem Sa | 安定フリーラジカルによるポリマーの安定化 |
JPH08269131A (ja) * | 1990-04-09 | 1996-10-15 | Bridgestone Corp | N−アルキル及びn−アリールイミンとの反応によつて末端停止されたジエンポリマー及びコポリマー |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4306953A (en) * | 1979-11-05 | 1981-12-22 | American Can Company | Cationically polymerizable compositions containing sulfonium salt photoinitiators and stable free radicals as odor suppressants and _method of polymerization using same |
EP0479725B1 (de) * | 1990-10-04 | 1995-04-26 | Ciba-Geigy Ag | Stabilisierte Styrolcopolymere enthaltend Elastomerteilchen |
US5530079A (en) * | 1995-01-03 | 1996-06-25 | Xerox Corporation | Polymerization processes |
-
1997
- 1997-10-23 WO PCT/JP1997/003853 patent/WO1998018859A1/ja active IP Right Grant
- 1997-10-23 US US09/091,739 patent/US6084015A/en not_active Expired - Fee Related
- 1997-10-23 DE DE69727550T patent/DE69727550T2/de not_active Expired - Fee Related
- 1997-10-23 EP EP97909611A patent/EP0870798B1/en not_active Expired - Lifetime
- 1997-10-23 KR KR1019980704885A patent/KR100287052B1/ko not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08269131A (ja) * | 1990-04-09 | 1996-10-15 | Bridgestone Corp | N−アルキル及びn−アリールイミンとの反応によつて末端停止されたジエンポリマー及びコポリマー |
JPH08239510A (ja) * | 1995-02-07 | 1996-09-17 | Elf Atochem Sa | 安定フリーラジカルによるポリマーの安定化 |
Non-Patent Citations (1)
Title |
---|
See also references of EP0870798A4 * |
Also Published As
Publication number | Publication date |
---|---|
KR100287052B1 (ko) | 2001-04-16 |
DE69727550D1 (de) | 2004-03-18 |
EP0870798B1 (en) | 2004-02-11 |
EP0870798A1 (en) | 1998-10-14 |
US6084015A (en) | 2000-07-04 |
EP0870798A4 (en) | 2000-11-22 |
KR19990076762A (ko) | 1999-10-15 |
DE69727550T2 (de) | 2004-12-23 |
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