FR3090663A3 - Tire tread - Google Patents

Tire tread Download PDF

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Publication number
FR3090663A3
FR3090663A3 FR1873883A FR1873883A FR3090663A3 FR 3090663 A3 FR3090663 A3 FR 3090663A3 FR 1873883 A FR1873883 A FR 1873883A FR 1873883 A FR1873883 A FR 1873883A FR 3090663 A3 FR3090663 A3 FR 3090663A3
Authority
FR
France
Prior art keywords
copolymer
central part
parts
diene
tread
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Withdrawn
Application number
FR1873883A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnie Generale des Etablissements Michelin SCA
Original Assignee
Compagnie Generale des Etablissements Michelin SCA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Compagnie Generale des Etablissements Michelin SCA filed Critical Compagnie Generale des Etablissements Michelin SCA
Priority to FR1873883A priority Critical patent/FR3090663A3/en
Priority to FR1900862A priority patent/FR3090662A1/en
Priority to PCT/FR2019/052999 priority patent/WO2020128227A1/en
Publication of FR3090663A3 publication Critical patent/FR3090663A3/en
Withdrawn legal-status Critical Current

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
    • B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/0041—Tyre tread bands; Tread patterns; Anti-skid inserts comprising different tread rubber layers
    • B60C11/005—Tyre tread bands; Tread patterns; Anti-skid inserts comprising different tread rubber layers with cap and base layers
    • 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
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/0041—Tyre tread bands; Tread patterns; Anti-skid inserts comprising different tread rubber layers
    • B60C11/005—Tyre tread bands; Tread patterns; Anti-skid inserts comprising different tread rubber layers with cap and base layers
    • B60C11/0058—Tyre tread bands; Tread patterns; Anti-skid inserts comprising different tread rubber layers with cap and base layers with different cap rubber layers in the axial direction
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/42—Introducing metal atoms or metal-containing groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
    • C08L23/083—Copolymers of ethene with aliphatic polyenes, i.e. containing more than one unsaturated bond
    • 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
    • B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/0008—Tyre tread bands; Tread patterns; Anti-skid inserts characterised by the tread rubber
    • B60C2011/0016—Physical properties or dimensions
    • B60C2011/0025—Modulus or tan delta
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F210/02—Ethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2800/00—Copolymer characterised by the proportions of the comonomers expressed
    • C08F2800/10—Copolymer characterised by the proportions of the comonomers expressed as molar percentages
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2810/00—Chemical modification of a polymer
    • C08F2810/40—Chemical modification of a polymer taking place solely at one end or both ends of the polymer backbone, i.e. not in the side or lateral chains

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Tires In General (AREA)

Abstract

Bande de roulement pour pneumatique Pneumatique ayant une bande de roulement séparée axialement en au moins trois parties, une partie centrale et deux parties latérales, dans lequel les compositions caoutchouteuses des parties latérales et de la partie centrale comprennent plus de 50 pce d'un copolymère d’éthylène et d’un 1,3-diène, une charge renforçante et un système plastifiant, le 1,3-diène étant le 1,3-butadiène ou l’isoprène et les unités éthylène dans ledit copolymère représentant plus de 50 % en mole de l’ensemble des unités monomères dudit copolymère et dans lequel le rapport K entre le module de cisaillement dynamique de la composition caoutchouteuse des parties latérales et le module de cisaillement dynamique de la composition caoutchouteuse de la partie centrale est supérieur à 1,1. Figure de l’abrégé : Fig. 1Tread for a pneumatic tire having a tread separated axially into at least three parts, a central part and two lateral parts, in which the rubber compositions of the lateral parts and of the central part comprise more than 50 phr of a copolymer d ethylene and a 1,3-diene, a reinforcing filler and a plasticizing system, the 1,3-diene being 1,3-butadiene or isoprene and the ethylene units in said copolymer representing more than 50% by mole of all the monomer units of said copolymer and in which the ratio K between the dynamic shear modulus of the rubber composition of the side parts and the dynamic shear modulus of the rubber composition of the central part is greater than 1.1. Figure of the abstract: Fig. 1

FR1873883A 2018-12-21 2018-12-21 Tire tread Withdrawn FR3090663A3 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR1873883A FR3090663A3 (en) 2018-12-21 2018-12-21 Tire tread
FR1900862A FR3090662A1 (en) 2018-12-21 2019-01-30 Tire tread
PCT/FR2019/052999 WO2020128227A1 (en) 2018-12-21 2019-12-10 Tyre tread

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1873883A FR3090663A3 (en) 2018-12-21 2018-12-21 Tire tread

Publications (1)

Publication Number Publication Date
FR3090663A3 true FR3090663A3 (en) 2020-06-26

Family

ID=67107700

Family Applications (2)

Application Number Title Priority Date Filing Date
FR1873883A Withdrawn FR3090663A3 (en) 2018-12-21 2018-12-21 Tire tread
FR1900862A Pending FR3090662A1 (en) 2018-12-21 2019-01-30 Tire tread

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR1900862A Pending FR3090662A1 (en) 2018-12-21 2019-01-30 Tire tread

Country Status (2)

Country Link
FR (2) FR3090663A3 (en)
WO (1) WO2020128227A1 (en)

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2799468B1 (en) 1999-10-12 2006-04-28 Michelin Soc Tech CATALYTIC SYSTEM USABLE FOR THE COPOLYMERIZATION OF ETHYLENE AND A CONJUGATE DIENE, PROCESS FOR THE PREPARATION OF THIS CATALYTIC SYSTEM AND OF A COPOLYMER OF ETHYLENE AND A CONJUGATE DIENE
JP5357371B2 (en) 2000-07-31 2013-12-04 コンパニー ゼネラール デ エタブリッスマン ミシュラン Tire tread
FR2823215B1 (en) 2001-04-10 2005-04-08 Michelin Soc Tech TIRE AND TIRE TREAD COMPRISING AS COUPLING AGENT A BIS-ALKOXYSILANE TETRASULFURE
ATE465208T1 (en) 2001-06-28 2010-05-15 Michelin Soc Tech TIRE TREAD REINFORCED BY SILICIC ACID WITH LOW SPECIFIC SURFACE AREA
JP4536375B2 (en) 2001-06-28 2010-09-01 ソシエテ ド テクノロジー ミシュラン Tire tread reinforced with silica with extremely low specific surface area
DE60225300T2 (en) 2001-08-13 2009-02-26 Société de Technologie Michelin VEHICLE COMPOSITION FOR TIRES WITH A SPECIAL SILICONE AS REINFORCING FILLER
AU2002341047B8 (en) 2001-08-13 2006-12-07 Rhodia Chimie Method of preparing silicas, silicas with specific pore-size and/or particle-size distribution and the use thereof, in particular for reinforcing polymers
KR20050101157A (en) 2002-10-16 2005-10-20 소시에떼 드 테크놀로지 미쉐린 Ethylene/butadiene copolymers, catalytic system of producing same and production of said polymers
FR2893029B1 (en) 2005-11-09 2009-01-16 Michelin Soc Tech METALOCENE COMPLEX BOROHYDRIDE OF LANTHANIDE, INCORPORATING CATALYTIC SYSTEM, POLYMERIZATION METHOD USING THE SAME, AND ETHYLENE / BUTADIENE COPOLYMER OBTAINED BY THIS PROCESS
FR2893028B1 (en) 2005-11-09 2008-02-15 Michelin Soc Tech METALOCENE COMPLEX BOROHYDRIDE OF LANTHANIDE, INCORPORATING CATALYTIC SYSTEM, POLYMERIZATION METHOD USING THE SAME, AND ETHYLENE / BUTADIENE COPOLYMER OBTAINED BY THIS PROCESS
FR2969166B1 (en) 2010-12-20 2012-12-21 Michelin Soc Tech RUBBER COMPOSITION COMPRISING A FUNCTIONALIZED THERMOPLASTIC POLYMER
EP2594413B1 (en) 2011-11-21 2015-03-18 Continental Reifen Deutschland GmbH Pneumatic tyre for a vehicle
JP5909121B2 (en) 2012-03-07 2016-04-26 株式会社ブリヂストン Rubber composition for tire
FR3001223B1 (en) 2013-01-22 2015-03-06 Michelin & Cie RUBBER COMPOSITION COMPRISING A HIGHLY SATURATED DIENIC ELASTOMER
FR3044007B1 (en) * 2015-11-19 2017-12-08 Michelin & Cie TIRE TREAD FOR TIRE AIRCRAFT
FR3044662B1 (en) 2015-12-03 2017-12-08 Michelin & Cie PREFORMED CATALYTIC SYSTEM COMPRISING RARE EARTH METALLOCENE
FR3054221A1 (en) 2016-07-25 2018-01-26 Compagnie Generale Des Etablissements Michelin PREFORMED CATALYTIC SYSTEM COMPRISING RARE EARTH METALLOCENE
FR3054220A1 (en) 2016-07-25 2018-01-26 Compagnie Generale Des Etablissements Michelin PREFORMED CATALYTIC SYSTEM COMPRISING RARE EARTH METALLOCENE

Also Published As

Publication number Publication date
FR3090662A1 (en) 2020-06-26
WO2020128227A1 (en) 2020-06-25

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20200910