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1. WO2013045483 - TYRE WITH IMPROVED GRIP ON WET GROUND

Publication Number WO/2013/045483
Publication Date 04.04.2013
International Application No. PCT/EP2012/068946
International Filing Date 26.09.2012
IPC
C08L 7/00 2006.1
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
7Compositions of natural rubber
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
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
CPC
B60C 1/0016
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
0016Compositions of the tread
C08K 3/36
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
KUse of inorganic or non-macromolecular organic substances as compounding ingredients
3Use of inorganic substances as compounding ingredients
34Silicon-containing compounds
36Silica
C08L 57/02
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
57Compositions of unspecified polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
02Copolymers of mineral oil hydrocarbons
C08L 7/00
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
7Compositions of natural rubber
Applicants
  • COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN [FR]/[FR] (AllExceptUS)
  • Michelin Recherche et Technique S.A. [CH]/[CH] (AllExceptUS)
  • LESAGE, Pierre [FR]/[FR] (US)
  • LOPITAUX, Garance [FR]/[FR] (US)
  • VASSEUR, Didier [FR]/[FR] (US)
Inventors
  • LESAGE, Pierre
  • LOPITAUX, Garance
  • VASSEUR, Didier
Agents
  • SIDHU, Alban
Priority Data
115854326.09.2011FR
Publication Language French (fr)
Filing Language French (FR)
Designated States
Title
(EN) TYRE WITH IMPROVED GRIP ON WET GROUND
(FR) PNEUMATIQUE A ADHERENCE AMELIOREE SUR SOL MOUILLE
Abstract
(EN) A tyre with improved grip on wet ground, in particular for passenger vehicles, vans or two-wheel vehicles, the tread of which comprises a rubber composition comprising at least (phr meaning parts by weight per hundred parts of elastomer): - as first diene elastomer, 55 to 95 phr of natural rubber or of synthetic polyisoprene; - as second diene elastomer, 5 to 45 phr of a polybutadiene or butadiene copolymer having a Tg above ‑70°C; - as reinforcing filler, 60 to 90 phr of an inorganic filler; - as plasticizer, more than 5 phr of a thermoplastic hydrocarbon-based resin which has a Tg above 20°C, and optionally 0 to 20 phr of a plasticizer which is liquid at 23°C.
(FR) Pneumatique à adhérence améliorée sur sol mouillé, en particulier pour véhicule tourisme, camionnette ou deux roues, dont la bande de roulement comporte une composition de caoutchouc comprenant au moins (pce signifiant parties en poids pour cent parties d'élastomère): -à titre de premier élastomère diénique, 55 à 95 pce de caoutchouc naturel ou de polyisoprène de synthèse; -à titre de deuxième élastomère diénique, 5 à 45 pce d'un polybutadiène ou copolymère de butadiène ayant une Tg supérieure à -70°C; -à titre de charge renforçante, 60à 90 pce d'une charge inorganique; -à titre de plastifiant, plus de 5 pce d'une résine hydrocarbonée thermoplastique présentant une Tg supérieure à 20°C, et optionnellement 0 à 20pce d'un agent plastifiant liquide à 23°C.
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