EP3083829A1 - Pneumatique pourvu d'une bande de roulement comprenant un elastomere thermoplastique copolymere a bloc polyester aromatique - Google Patents
Pneumatique pourvu d'une bande de roulement comprenant un elastomere thermoplastique copolymere a bloc polyester aromatiqueInfo
- Publication number
- EP3083829A1 EP3083829A1 EP14809866.8A EP14809866A EP3083829A1 EP 3083829 A1 EP3083829 A1 EP 3083829A1 EP 14809866 A EP14809866 A EP 14809866A EP 3083829 A1 EP3083829 A1 EP 3083829A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cbpa
- tread
- elastomer
- aromatic polyester
- tire according
- 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.)
- Withdrawn
Links
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/455—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K30/00—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation
- H10K30/30—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation comprising bulk heterojunctions, e.g. interpenetrating networks of donor and acceptor material domains
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K30/00—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation
- H10K30/80—Constructional details
- H10K30/81—Electrodes
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/10—Deposition of organic active material
- H10K71/18—Deposition of organic active material using non-liquid printing techniques, e.g. thermal transfer printing from a donor sheet
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K30/00—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation
- H10K30/50—Photovoltaic [PV] devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/549—Organic PV cells
Definitions
- Tire having a tread comprising an aromatic polyester block copolymer thermoplastic elastomer
- the present invention relates to tires provided with a tread.
- the tread comprises mainly diene elastomers.
- a constant goal of tire manufacturers is to improve the grip of tires on wet ground.
- another objective is to decrease the rolling resistance of the tires.
- these two objectives are difficult to reconcile since the improvement of the adhesion supposes to increase the hysteretic losses whereas the improvement of the rolling resistance supposes to lower the hysteretic losses. There is therefore a compromise of performance to optimize.
- the invention relates to a tire comprising a tread, a crown with a crown reinforcement, two sidewalls, two beads, a carcass reinforcement anchored to the two beads and extending from a sidewall to the another, wherein the tread comprises at least one aromatic polyester block copolymer thermoplastic elastomer (CBPA) at a level in the range of 65 to 100 phr (parts by weight per hundred parts of elastomer).
- CBPA aromatic polyester block copolymer thermoplastic elastomer
- the invention relates to a tire as defined above, in which the elastomeric block of the aromatic polyester block copolymer thermoplastic elastomer (CBPA) is chosen from the group consisting of polyethers and aliphatic polyesters. polycarbonates and mixtures thereof; more preferably, in the group consisting of aromatic polyester and polyether copolymers and mixtures thereof; and even more preferentially in the group consisting of aromatic polyester and aliphatic polyether copolymers and mixtures thereof.
- CBPA aromatic polyester block copolymer thermoplastic elastomer
- the invention relates to a tire as defined above, wherein the number-average molecular weight of the CBPA is preferably between 15,000 and 500,000 g / mol.
- the invention relates to a tire as defined above, in which the aromatic polyester block copolymer thermoplastic elastomer (CBPA) has a glass transition temperature ("Tg") which is less than or equal to at 25 ° C, more preferably less than or equal to 10 ° C.
- Tg glass transition temperature
- the invention relates to a tire as defined above, wherein the melting temperature (Tf) of the CBPA copolymer is between 140 ° C and 210 ° C.
- the invention relates to a tire as defined above, in which the level of copolymer CBPA in the tread is in a range from 70 to 100 phr, preferably from 80 to 100 phr. 100 pce. More preferably, the copolymer CBPA is the only elastomer of the tread.
- the invention relates to a tire as defined above, wherein the tread further comprises one or more thermoplastic or non-thermoplastic elastomers at a total rate of at most 35 phr, preferably not more than 30 pce; more preferably, at most 20 phr.
- the invention relates to a tire as defined above, wherein the tread further comprises at least one plasticizer.
- a plasticizer is a plasticizing resin and / or a plasticizing oil.
- the invention relates more particularly to tires intended to equip vehicles without engines such as bicycles, or motor vehicles tourism, SUV ("Sport Utility Vehicles"), two wheels (including motorcycles), aircraft, as industrial vehicles chosen from vans, "heavy vehicles” - that is to say, metro, bus, road transport vehicles (trucks, tractors, trailers), off-the-road vehicles such as agricultural or civil engineering vehicles; other transport or handling vehicles.
- SUV Sport Utility Vehicles
- industrial vehicles chosen from vans, "heavy vehicles” - that is to say, metro, bus, road transport vehicles (trucks, tractors, trailers), off-the-road vehicles such as agricultural or civil engineering vehicles; other transport or handling vehicles.
- thermoplastic elastomers TPE
- any range of values designated by the expression “between a and b” represents the range of values from more than a to less than b (that is, terminals a and b excluded).
- any range of values designated by the expression “from a to b” signifies the range of values from a to b (that is to say, including the strict limits a and b).
- the tire according to the invention has the essential characteristic of comprising a tread, a crown with a crown reinforcement, two flanks, two beads, a carcass reinforcement anchored to the two beads and extending from a sidewall. at the other, wherein the tread comprises at least one aromatic polyester block copolymer thermoplastic elastomer (CBPA) at a level ranging from 65 to 100 phr (parts by weight per hundred parts of elastomer).
- CBPA aromatic polyester block copolymer thermoplastic elastomer
- thermoplastic elastomer used in the tread of the invention is a block copolymer whose thermoplastic blocks are aromatic polyesters, the elastomeric block may vary.
- this aromatic polyester block copolymer thermoplastic elastomer (TPE) is abbreviated as CBPA herein.
- Thermoplastic elastomers (abbreviated as "TPE") have an intermediate structure between thermoplastic polymers and elastomers. They are block copolymers, made up of rigid, thermoplastic blocks, connected by flexible blocks, elastomers.
- the number-average molecular weight (denoted by Mn) of the CBPA is preferably between 15,000 and 500,000 g / mol, more preferably between 20,000 and 300,000 g / mol.
- Mn number-average molecular weight
- the number average molecular weight (Mn) of CBPA is determined by any technique known to those skilled in the art and in particular, in known manner, steric exclusion chromatography (SEC).
- SEC steric exclusion chromatography
- the sample is solubilized beforehand in a suitable solvent at a concentration of approximately 2 g / l; then the solution is filtered on 0.45 ⁇ porosity filter before injection.
- the apparatus used is a "WATERS alliance" chromatographic chain.
- the elution solvent is hexafluoroisopranol with sodium trifluoroactetate salt at a concentration of 0.02 M, the flow rate of 0.5 ml / min, the temperature of the system of 35 ° C and the analysis time of 90 min. It uses a set of three Phenomenex columns in series of trade names "Phenogel” (pore size: 5 10 A, 10 A 4, 10 A 3 A). The injected volume of the solution of the polymer sample is 100 ⁇ .
- the detector is a differential refractometer "WATERS 2410" and its associated chromatographic data exploitation software is the "EMPOWER" system.
- the calculated average molar masses relate to a calibration curve made with PMMA (polymethyl methacrylate) standards.
- the conditions are adaptable by those skilled in the art.
- the glass transition temperature of CBPA it is the Tg relative to the elastomer block.
- the CBPA preferably has a glass transition temperature ("Tg") which is preferably less than or equal to 25 ° C, more preferably less than or equal to 10 ° C.
- Tg higher than these minima can reduce the performance of the tread when used at very low temperatures; for such use, the Tg of the TPE is more preferably still less than or equal to -10 ° C. Also preferentially, the Tg of CBPA is greater than -100 ° C.
- the CBPAs have two glass transition temperature peaks (Tg, measured according to ASTM D3418), the lowest temperature being relative to the elastomer portion of the CBPA, the highest temperature being relative to the thermoplastic part of the CBPA, that is to say the aromatic polyester block.
- Tg glass transition temperature peaks
- the soft blocks of the CBPA are defined by a Tg lower than the ambient temperature (25 ° C), while the rigid blocks of aromatic polyester have a Tg greater than 60 ° C.
- the CBPAs have, by their thermoplastic blocks, a melting temperature (Tf) (measured by DSC) greater than 120 ° C.
- Tf melting temperature
- CBPA layer thermoplastic elastomers CBPA whose Tf is between 140 ° C and 210 ° C.
- CBPAs are copolymers comprising a large number of blocks (more than 30, typically 50 to 500), these blocks preferably having low masses, for example 500 to 5000 g / mol, these CBPA are called multiblocks and are a sequential elastomeric block - thermoplastic block that repeats itself.
- Thermoplastic copolymer elastomers with aromatic polyester block is understood to mean a block copolymer thermoplastic elastomer in which the rigid blocks are essentially (that is to say more than 80% by weight, preferably greater than 90% by weight). % in weight and more preferably greater than 99% by weight) made of aromatic polyester (i.e. one or more aromatic polyester (s)).
- the elastomeric block of the CBPA is selected from the group consisting of polyethers, aliphatic polyesters, polycarbonates and mixtures thereof.
- the elastomeric block of CBPA is chosen from the group consisting of polyethers and mixtures thereof, and even more preferably from the group of aliphatic polyethers and mixtures thereof.
- the CBPA is an aromatic polyester block copolymer and polyether
- it belongs to the family of block copolymers polyester and polyether (abbreviated "COPE").
- COPE sold by the company TOYOBO such as "COPE P30B”, “COPE P40B”, “COPE P40H” or “COPE P55B”.
- COPE TPE marketed by the company DSM under the name “Arnitel”, or by the company Dupont under the name “Hytrel”, or by the company Ticona under the name “Riteflex”.
- the CBPA elastomer (s) constitute the majority fraction by weight; they then represent at least 65%, preferably at least 70% by weight, more preferably at least 75% by weight of all the elastomers present in the elastomer composition. Also preferably, the CBPA elastomer (s) represent at least 95% (in particular 100%) by weight of all the elastomers present in the elastomer composition.
- the total amount of CBPA elastomer is in a range from 65 to 100 phr, preferably from 70 to 100 phr and especially from 75 to 100 phr. Also preferably, the composition contains from 95 to 100 phr of CBPA elastomer.
- the CBPA elastomer or elastomers are preferably the sole elastomer (s) of the tread. 1.2 Other optional elastomers
- the CBPA elastomer (s) described above are sufficient in themselves for the tread according to the invention to be usable.
- composition of the tread according to the invention may comprise at least one (that is to say one or more) other elastomer as non-CBPA elastomer, this other elastomer may be used alone, or in blending with at least one (i.e. one or more) other non-CBPA elastomer.
- the total non-CBPA elastomer level is in a range from 0 to 35 phr, preferably from 0 to 30 phr, more preferably from 0 to 25 phr, and more preferably still from 0 to 5 phr. . Also preferably, the tread of the tire according to the invention does not contain a non-thermoplastic elastomer.
- the other elastomers or optional elastomers may be selected from thermoplastic elastomers different from the CBPA elastomer, diene elastomers, or mixtures thereof.
- thermoplastic elastomer (abbreviated "TPE") must be understood in a manner known to those skilled in the art, the elastomers which have an intermediate structure between thermoplastic polymers and elastomers. These are block copolymers comprising flexible blocks and rigid blocks, as described for example in WO 2012/152688.
- elastomer or “diene” rubber, it is to be understood in a known way (one or more elastomers) are understood to come from at least a part (ie a homopolymer or a copolymer) of diene monomers (monomers carrying two double bonds). carbon carbon, conjugated or not). These diene elastomers can be classified in two categories: “essentially unsaturated” or “essentially saturated”. The term “essentially unsaturated” is generally understood to mean a diene elastomer derived at least in part from conjugated diene monomers having a proportion of units or units of diene origin (conjugated dienes) which is greater than 15% (% by weight). mole).
- the term “highly unsaturated” diene elastomer is particularly understood to mean a diene elastomer having a content of units of diene origin (conjugated dienes) which is greater than 50%.
- diene elastomers such as certain butyl rubbers or copolymers of dienes and alpha olefins EPDM type can be described as "essentially saturated" diene elastomers (low or very low diene origin ratio). low, always less than 15>).
- iene elastomer is understood to mean, whatever the category above, which may be used in the compositions according to the invention:
- a ternary copolymer obtained by copolymerization of ethylene, an ⁇ -olefin having 3 to 6 carbon atoms with a non-conjugated diene monomer having from 6 to 12 carbon atoms for example the elastomers obtained from ethylene, propylene with a nonconjugated diene monomer of the aforementioned type such as in particular 1,4-hexadiene, ethylidene norbornene, dicyclopentadiene;
- diene elastomer Any type of diene elastomer can be used in the invention.
- elastomers are preferably used. essentially unsaturated, in particular of types (a) and (b) above, for the manufacture of the tread of the tire according to the present invention.
- conjugated dienes 1,3-butadiene, 2-methyl-1,3-butadiene, 2,3-di (C 1 -C 5) alkyl-1,3-butadienes, such as for example 2,3-dimethyl-1,3-butadiene, 2,3-diethyl-1,3-butadiene, 2-methyl-3-ethyl-1,3-butadiene, 2-methyl-3-isopropyl 1,3-butadiene, aryl-1,3-butadiene, 1,3-pentadiene, 2,4-hexadiene.
- alkyl-1,3-butadienes such as for example 2,3-dimethyl-1,3-butadiene, 2,3-diethyl-1,3-butadiene, 2-methyl-3-ethyl-1,3-butadiene, 2-methyl-3-isopropyl 1,3-butadiene, aryl-1,3-butadiene, 1,3-pentadiene, 2,4-he
- Suitable vinylaromatic compounds are, for example, styrene, ortho-, meta-, para-methylstyrene, the "vinyl-toluene" commercial mixture, para-tertiarybutylstyrene, methoxystyrenes, chlorostyrenes, vinylmesitylene, divinylbenzene, vinylnaphthalene.
- the copolymers may contain between 99% and 20% by weight of diene units and between 1% and 80% by weight of vinylaromatic units.
- the elastomers may have any microstructure which is a function of the polymerization conditions used, in particular the presence or absence of a modifying and / or randomizing agent and the amounts of modifying and / or randomizing agent used.
- the elastomers may for example be prepared in dispersion or in solution; they may be coupled and / or starred or functionalized with a coupling agent and / or starring or functionalization.
- alkoxysilane groups such as as described for example in FR 2,765,882 or US 5,977,238), carboxylic groups (as described for example in WO 01/92402 or US 6,815,473, WO 2004/096865 or US 2006/0089445) or groups polyethers (as described for example in EP 1 127 909 or US Pat. No. 6,503,973).
- functionalized elastomers mention may also be made of elastomers (such as SBR, BR, NR or IR) of the epoxidized type.
- the CBPA elastomer (s) described above are sufficient on their own for the tread according to the invention to be usable.
- a reinforcing filler When a reinforcing filler is used, it is possible to use any type of filler usually used for the manufacture of tires, for example an organic filler such as carbon black, an inorganic filler such as silica, or a filler. cutting of these two types of filler, including a cut of carbon black and silica.
- an organic filler such as carbon black
- an inorganic filler such as silica
- a filler cutting of these two types of filler, including a cut of carbon black and silica.
- carbon blacks are suitable all carbon blacks conventionally used in tires (so-called pneumatic grade black).
- pneumatic grade black For example, mention will be made more particularly of reinforcing carbon blacks of the series 100, 200 or 300 (ASTM grades), such as for example the blacks NI 15, N134, N234, N326, N330, N339, N347, N375, or else according to targeted applications, blacks of higher series (for example N660, N683, N772), or even N990.
- any inorganic or mineral filler (regardless of its color and origin (natural or synthetic), also called “white” charge, charge “clear” or “non-black filler” as opposed to carbon black, capable of reinforcing on its own, with no other means than an intermediate coupling agent, a rubber composition for manufacturing tire, in other words able to replace, in its reinforcing function, a conventional carbon black pneumatic grade, such a charge is generally characterized, in known manner, by the presence of hydroxyl groups (-OH) at its area.
- -OH hydroxyl groups
- the physical state in which the reinforcing inorganic filler is present is indifferent, whether in the form of powder, microbeads, granules, beads or any other suitable densified form.
- the term "reinforcing inorganic filler” also refers to mixtures of different reinforcing inorganic fillers, in particular highly dispersible siliceous and / or aluminous fillers as described below.
- reinforcing inorganic fillers are particularly suitable mineral fillers of the siliceous type, in particular of silica (SiO 2 ), or of the aluminous type, in particular of alumina (Al 2 O 3 ).
- the silica used may be any reinforcing silica known to those skilled in the art, in particular any precipitated or fumed silica having a BET surface and a CTAB specific surface both less than 450 m 2 / g, preferably from 30 to 400 m 2 / g.
- highly dispersible precipitated silicas called "HDS"
- a coupling agent or bonding agent
- a coupling agent at least bifunctional for ensuring a sufficient connection, of a chemical and / or physical nature, between the inorganic filler (surface of its particles) and the elastomer, in particular organosilanes or bifunctional polyorganosiloxanes.
- the reinforcing charge volume ratio, optional, in the composition is in a range from 0 to 20%, which corresponds to a rate of 0 to 50 pce for a composition without plasticizer.
- the composition comprises less than 30 phr of reinforcing filler and more preferably less than 10 phr.
- the composition of the tread does not contain a reinforcing filler.
- the CBPA elastomer described above is sufficient on its own for the tread of the invention to be usable.
- the elastomer composition described above may also comprise a plasticizing agent, such as an oil (or plasticizing oil or extension oil) or a plasticizing resin whose function is to facilitate the implementation of the tread, particularly its integration with the tire by a lowering of the module and an increase in tackifiant power.
- a plasticizing agent such as an oil (or plasticizing oil or extension oil) or a plasticizing resin whose function is to facilitate the implementation of the tread, particularly its integration with the tire by a lowering of the module and an increase in tack evident power.
- any oil capable of extending, plasticizing elastomers, especially thermoplastics, can be used. At room temperature (23 ° C), these oils, more or less viscous, are liquids (that is to say, as a reminder, substances having the ability to eventually take the shape of their container), as opposed in particular to resins or rubbers which are inherently solid. Any type of plasticising resin known to those skilled in the art can also be used.
- the level of extender oil is in a range from 0 to 120 ° C, preferably from 0 to 80 phr, preferably from 0 to 50 phr, more preferably from 5 to 50 pce depending on the Tg and the module targeted for the tread.
- the tread described above may furthermore comprise the various additives usually present in the treads known to those skilled in the art.
- one or more additives chosen from protective agents such as antioxidants or antiozonants, anti-UV agents, the various agents of implementation or other stabilizers, or the promoters able to promote the adhesion to the rest of the structure will be chosen.
- the tread does not contain all these additives at the same time and even more preferably, the tread contains none of these agents.
- the composition of the tread of the invention may contain a crosslinking system known to those skilled in the art.
- the composition does not contain a crosslinking system.
- the composition of the tread of the invention may contain one or more inert micrometric fillers such as lamellar fillers known to those skilled in the art.
- the composition contains no micron charge.
- the composition of the tread may also comprise, still in a minority weight fraction relative to the block elastomer, polymers other than elastomers, such as for example thermoplastic polymers.
- thermoplastic polymers When they are present in the composition, it is preferred that the total content of non-elastomeric thermoplastic polymers is less than 40 phr, preferably between 5 and 30 phr, and more preferably between 10 and 25 phr.
- thermoplastic polymers may in particular be polymers of poly (para-phenylene ether) (abbreviated as "EPP").
- thermoplastic polymers PPE are well known to those skilled in the art, they are solid resins at room temperature (20 ° C) compatible with styrenic polymers, which have in particular used to increase the Tg of TPE elastomers whose thermoplastic block is a styrenic block (see for example "Thermal, Mechanical and Morphological Analyzes of Poly (2,6-dimethyl-1,4-phenylene oxide) / Styrene-Butadiene-Styrene Blends", Tucker, Barlow and Paul, Macromolecules, 1988, 21). , 1678-1685).
- CBPA elastomers can be implemented in a conventional manner for TPE, by extrusion or molding, for example from a raw material available in the form of beads or granules.
- the tread for the tire according to the invention is prepared in a conventional manner, for example, by incorporating the various components into a twin-screw extruder, so as to carry out the melting of the matrix and an incorporation of all the ingredients, then use a die to make the profile.
- the tread is then carved in the tire baking mold.
- This tread may be mounted on a tire in a conventional manner, said tire comprising in addition to the tread according to the invention, a top, two flanks and two beads, a carcass reinforcement anchored to the two beads. , and a crown frame.
- the tire according to the invention may further comprise an underlayer between the carved portion of the tread and the crown reinforcement.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Tires In General (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Photovoltaic Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1362812A FR3014882B1 (fr) | 2013-12-17 | 2013-12-17 | Pneumatique pourvu d'une bande de roulement comprenant un elastomere thermoplastique copolymere a bloc polyester aromatique |
| PCT/EP2014/077331 WO2015091190A1 (fr) | 2013-12-17 | 2014-12-11 | Pneumatique pourvu d'une bande de roulement comprenant un elastomere thermoplastique copolymere a bloc polyester aromatique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3083829A1 true EP3083829A1 (fr) | 2016-10-26 |
Family
ID=50624691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP14809866.8A Withdrawn EP3083829A1 (fr) | 2013-12-17 | 2014-12-11 | Pneumatique pourvu d'une bande de roulement comprenant un elastomere thermoplastique copolymere a bloc polyester aromatique |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20160315263A1 (fr) |
| EP (1) | EP3083829A1 (fr) |
| FR (1) | FR3014882B1 (fr) |
| WO (1) | WO2015091190A1 (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9701099B2 (en) * | 2014-05-06 | 2017-07-11 | Darwin Hu | Single flexible cover for touch screen |
| DE102014225543B4 (de) | 2014-12-11 | 2021-02-25 | Siemens Healthcare Gmbh | Perowskit-Partikel mit Beschichtung aus einem Halbleitermaterial, Verfahren zu deren Herstellung, Detektor, umfassend beschichtete Partikel, Verfahren zur Herstellung eines Detektors und Verfahren zur Herstellung einer Schicht umfassend beschichtete Partikel |
| FR3044011B1 (fr) * | 2015-11-24 | 2017-11-24 | Michelin & Cie | Pneumatique pourvu d'une bande de roulement comprenant un elastomere thermoplastique et un elastomere dienique |
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| JPS61207619A (ja) * | 1985-03-06 | 1986-09-16 | Teijin Ltd | ゴム補強用ポリエステル繊維 |
| US4772407A (en) * | 1987-12-02 | 1988-09-20 | Lord Corporation | Electrorheological fluids |
| JPH01169454A (ja) * | 1987-12-25 | 1989-07-04 | Koichi Kinoshita | ディジタル光入力用感光体 |
| US5202384A (en) * | 1989-03-27 | 1993-04-13 | The Goodyear Tire & Rubber Company | Polyester reinforced rubber |
| US5773144A (en) * | 1995-10-26 | 1998-06-30 | Hoechst Celanese Corp. | Rubber-polyester composites including a functionally terminated copolyester |
| FR2740778A1 (fr) | 1995-11-07 | 1997-05-09 | Michelin & Cie | Composition de caoutchouc a base de silice et de polymere dienique fonctionalise ayant une fonction silanol terminale |
| FR2765882B1 (fr) | 1997-07-11 | 1999-09-03 | Michelin & Cie | Composition de caoutchouc a base de noir de carbone ayant de la silice fixee a sa surface et de polymere dienique fonctionnalise alcoxysilane |
| DE60109224T2 (de) | 2000-02-24 | 2006-01-19 | Société de Technologie Michelin | Vulkanisierbare Kautschukmischung zur Herstellung eines Luftreifens und Luft- reifens und Luftreifen, der eine solche Zusammensetzung enthält. |
| JP2001284631A (ja) * | 2000-03-30 | 2001-10-12 | Toshiba Corp | 光検出器及び光検出システム |
| EP1204702B1 (fr) | 2000-05-26 | 2012-04-25 | Société de Technologie Michelin | Composition de caoutchouc utilisable comme bande de roulement de pneumatique |
| SE519792C2 (sv) | 2001-08-17 | 2003-04-08 | Volvo Lastvagnar Ab | Metod för estimering av massan hos ett fordon vilket framförs på en väg med en varierande lutning samt metod för estimering av lutningen av den väg där ett fordon framförs |
| FR2854404B1 (fr) | 2003-04-29 | 2005-07-01 | Michelin Soc Tech | Procede d'obtention d'un elastomere greffe a groupes fonctionnels le long de la chaine et compositions de caoutchouc |
| US20050039792A1 (en) * | 2003-08-22 | 2005-02-24 | National University Corporation Kanazawa University | Organic solar cell and its production process |
| JP2005197586A (ja) * | 2004-01-09 | 2005-07-21 | Shinko Electric Ind Co Ltd | キャパシタの製造方法、キャパシタ内蔵基板の製造方法、キャパシタ、およびキャパシタ内蔵基板 |
| JP2007311223A (ja) * | 2006-05-19 | 2007-11-29 | Konica Minolta Holdings Inc | 有機el素子の製造方法 |
| KR20100105678A (ko) * | 2007-12-14 | 2010-09-29 | 바스프 에스이 | 반전도성 층의 제조 방법 |
| WO2011112714A2 (fr) * | 2010-03-09 | 2011-09-15 | The Regents Of The University Of Michigan | Procédés de fabrication de cellules photovoltaïques organiques à morphologie à hétérojonction améliorée |
| FR2975045B1 (fr) | 2011-05-12 | 2013-06-14 | Michelin Soc Tech | Pneumatique dont la zone sommet est pourvue d'une sous-couche comportant un elastomere thermoplastique |
-
2013
- 2013-12-17 FR FR1362812A patent/FR3014882B1/fr not_active Expired - Fee Related
-
2014
- 2014-12-11 WO PCT/EP2014/077331 patent/WO2015091190A1/fr not_active Ceased
- 2014-12-11 US US15/104,639 patent/US20160315263A1/en not_active Abandoned
- 2014-12-11 EP EP14809866.8A patent/EP3083829A1/fr not_active Withdrawn
Non-Patent Citations (2)
| Title |
|---|
| None * |
| See also references of WO2015091190A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| FR3014882B1 (fr) | 2016-01-01 |
| US20160315263A1 (en) | 2016-10-27 |
| FR3014882A1 (fr) | 2015-06-19 |
| WO2015091190A1 (fr) | 2015-06-25 |
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