A rubber compound has at least two glass transition temperatures Tg1 and Tg2, based on at least one vulcanization system and at least two rubber compositions C1 and C2, the composition C1 comprising at least one elastomer E1 and having a Tg1, the composition C2 comprising at least one elastomer E2 different from E1, and a reinforcing filler, and the composition C2 having a Tg2, in which: Tg1≥−50° C.; the rubber compound satisfies Tg1-Tg2≥23° C.; the rubber compound has a loss factor profile which is such that all the tan δ peaks present at a temperature above the temperature Tg1 have a width at half height of ≤23° C.; E1 is predominant in the rubber compound; E2 is an isoprene diene elastomer; and the vulcanization system comprises at least one vulcanization accelerator A selected from thiurams, dithiocarbamates, dithiophosphates, xanthates and mixtures thereof.
MÉLANGE DE CAOUTCHOUC COMPRENANT UN ACCÉLÉRATEUR DE VULCANISATION RAPIDE
RUBBER MIXTURE COMPRISING A RAPID VULCANISATION ACCELERATOR
KAUTSCHUKMISCHUNG MIT SCHNELLVULKANISIERUNGSBESCHLEUNIGER
2024-10-02
Patent
Electronic Resource
French
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 |
MÉLANGE DE CAOUTCHOUC COMPRENANT UN ACCÉLÉRATEUR DE VULCANISATION RAPIDE
European Patent Office | 2023
|Mélange de caoutchouc comprenant un accélérateur de vulcanisation rapide
European Patent Office | 2023
|COMPOSITION DE CAOUTCHOUC A HAUT MODULE COMPRENANT UN ULTRA-ACCELERATEUR DE VULCANISATION
European Patent Office | 2022
|COMPOSITION DE CAOUTCHOUC A HAUT MODULE COMPRENANT UN ULTRA-ACCELERATEUR DE VULCANISATION
European Patent Office | 2019
|COMPOSITION DE CAOUTCHOUC A HAUT MODULE COMPRENANT UN ULTRA-ACCELERATEUR DE VULCANISATION
European Patent Office | 2019
|