A rubber composition for use in a pneumatic tire, preferably in a tread of such a tire is disclosed. The rubber composition comprises, based on parts by weight per 100 parts by weight elastomer (phr):(A) one or more conjugated diene-based elastomers comprising:(1) from 75 to 100 phr of at least one styrene/butadiene elastomer (SSBR) pre-extended with a vegetable triglyceride oil, wherein said at least one SSBR has a Tg in a range of from -20°C to +10°C and a bound styrene content in a range of from 25 to 50 percent,(2) from zero to 25 phr of at least one additional conjugated diene-based elastomer comprising at least one of polybutadiene, cis 1,4-polyisoprene rubber and a further styrene/butadiene elastomer different from said at least one SSBR;(B) from 80 to 200 phr of a reinforcing filler; and(C) from 10 to 70 phr of a resin comprising at least one of styrene/alphamethylstyrene copolymer resin, terpene-phenol resin, coumarone-indene resin, petroleum hydrocarbon resin, terpene polymer resin, rosin derived resin, rosin acid resin, and modified rosin acid resin.
RUBBER COMPOSITION AND TIRE WITH TREAD CONTAINING VEGETABLE OIL EXTENDED HIGH TG STYRENE/BUTADIENE ELASTOMER AND TRACTION RESIN
KAUTSCHUKZUSAMMENSETZUNG UND REIFEN MIT LAUFFLÄCHE, DIE HOCH TG STYROL/BUTADIENELASTOMER ENTHÄLT, DAS MIT PFLANZLICHEM ÖL VERLÄNGERT IST, UND TRAKTIONSHARZ
COMPOSITION DE CAOUTCHOUC ET PNEUMATIQUE AYANT UNE BANDE DE ROULEMENT CONTENANT UN ÉLASTOMÈRE DE STYRÈNE/BUTADIÈNE HAUTE TG ÉTENDU À L'HUILE VÉGÉTALE, ET DE LA RÉSINE DE TRACTION
2020-12-09
Patent
Electronic Resource
English
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen |
European Patent Office | 2022
|European Patent Office | 2019
|RUBBER COMPOSITION AND TIRE CONTAINING VEGETABLE OIL EXTENDED STYRENE/BUTADIENE ELASTOMER AND RESIN
European Patent Office | 2023
|European Patent Office | 2022
|European Patent Office | 2020
|