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1. WO2022008452 - HIGH-RIGIDITY RUBBER COMPOUND FOR PNEUMATIC TYRE PORTIONS

Publication Number WO/2022/008452
Publication Date 13.01.2022
International Application No. PCT/EP2021/068524
International Filing Date 05.07.2021
IPC
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
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
C08L 21/00 2006.1
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
21Compositions of unspecified rubbers
Applicants
  • BRIDGESTONE EUROPE NV/SA [BE]/[BE]
Inventors
  • CHIEFFI, Gianpaolo
Agents
  • MARCHETTI, Alessio
Priority Data
10202000001628506.07.2020IT
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) HIGH-RIGIDITY RUBBER COMPOUND FOR PNEUMATIC TYRE PORTIONS
(FR) COMPOSÉ DE CAOUTCHOUC À RIGIDITÉ ÉLEVÉE POUR PARTIES DE PNEUMATIQUES
Abstract
(EN) A rubber compound for a pneumatic tyre portion comprising a cross-linkable unsaturated chain polymeric base, silica, processing oil and vulcanization agents; said reinforcing filler comprising silica. The ratio in phr between the reinforcing filler and the processing oil is greater than or equal to 3.
(FR) L'invention concerne un composé de caoutchouc pour une partie de pneumatique comprenant une base polymère à chaîne insaturée réticulable, de la silice, de l'huile de traitement et des agents de vulcanisation ; ladite charge de renforcement comprenant de la silice. Le rapport en pce entre la charge de renforcement et l'huile de traitement est supérieur ou égal à 3.
Latest bibliographic data on file with the International Bureau