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1. WO2022161742 - TIRE INCORPORATING A RUBBER COMPOSITION INCLUDING A SPECIFIC HYDROCARBON RESIN

Publication Number WO/2022/161742
Publication Date 04.08.2022
International Application No. PCT/EP2022/050023
International Filing Date 03.01.2022
IPC
B60C 1/00 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
1Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
C08L 9/00 2006.1
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
9Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
C08L 9/06 2006.1
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
9Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
06Copolymers with styrene
CPC
B60C 1/00
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
CVEHICLE TYRES TYRE INFLATION; TYRE CHANGING OR REPAIRING; REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
1Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
C08C 19/00
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
CTREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
19Chemical modification of rubber
C08L 15/00
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
15Compositions of rubber derivatives
C08L 9/06
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
9Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
06Copolymers with styrene
Applicants
  • COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN [FR]/[FR]
Inventors
  • COPEY, Laurent
  • BONNETTE, Fabien
  • TRIPATHY, Ranjan
  • GEORJON, Olivier Jean François
  • RAJA, Rajesh P.
Agents
  • SIDHU, Alban
Priority Data
FR210071726.01.2021FR
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) TIRE INCORPORATING A RUBBER COMPOSITION INCLUDING A SPECIFIC HYDROCARBON RESIN
(FR) PNEU INCORPORANT UNE COMPOSITION DE CAOUTCHOUC COMPRENANT UNE RÉSINE HYDROCARBONÉE SPÉCIFIQUE
Abstract
(EN) Described herein are tires comprising a rubber composition based on at least an elastomer matrix comprising from 50 to 100 phr of at least one copolymer of butadiene and of vinylaromatic monomer, having a content of vinylaromatic units of between 0 and 5% by weight and a Tg within a range extending from -110°C to -70°C; and a hydrocarbon resin, wherein said hydrocarbon resin is based on a cyclic monomer selected from the group consisting of a distillation cut from a petroleum refinery stream, C4, C5 and C6 cyclic olefins and mixtures thereof, and wherein the hydrocarbon resin has a content of aromatic protons (H Ar, expressed in mol%), a glass transition temperature (Tg, is expressed in °C), and a number average molecular weight (Mn, expressed in g/mol that are represented by (1) 12 mol%≤ H Ar ≤ 19 mol%, (2) Tg ≥ 95 - 2.2 * (H Ar), (3) Tg ≥ -53 + (0.265 * Mn) and (4) 300 g/mol ≤ Mn ≤ 450 g/mol.
(FR) L'invention concerne des pneus comprenant une composition de caoutchouc à base d'au moins une matrice élastomère comprenant de 50 à 100 phr d'un ou de plusieurs copolymères de butadiène et d'un monomère vinylaromatique, ayant une teneur en unités vinylaromatiques comprise entre 0 et 5 % en poids et une Tg s'inscrivant dans une plage allant de -110 °C à -70 °C ; et une résine hydrocarbonée, ladite résine hydrocarbonée étant à base d'un monomère cyclique choisi dans le groupe constitué par une coupe de distillation à partir d'un flux de raffinerie de pétrole, d'oléfines cycliques en C4, C5 ou C6 et de certains de leurs mélanges, et la résine hydrocarbonée ayant une teneur en protons aromatiques (H Ar, exprimée en % en moles), une température de transition vitreuse (Tg, exprimée en °C), et un poids moléculaire moyen en nombre (Mn, exprimé en g/mol) qui sont représentés par (1) 12 % en moles ≤ H Ar ≤ 19 % en moles, (2) Tg ≥ 95 - 2,2 * (H Ar), (3) Tg ≥ -53 + (0,265 * Mn) et (4) 300 g/mol ≤ Mn ≤ 450 g/mol.
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