A tyre comprises at least one internal rubber composition having improved cracking resistance, said internal composition comprising at least ("pce" meaning parts by weight per hundred parts of elastomer): 50 to 100 pce of an isoprene elastomer such as natural rubber; optionally, 0 to 50 pce of another diene elastomer such as BR or SBR; 0 to less than 15 pce of carbon black; and between 40 and 100 pce of a nanometric inorganic filler such as silica, characterized in that this internal composition is free of or comprises less than 2%, expressed relative to the weight of nanometric inorganic filler, of coupling agent (elastomer/inorganic filler).
Internal mixture for a tyre having improved cracking resistance
2016-01-27
Patent
Electronic Resource
English
IPC: | C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS / B60C VEHICLE TYRES , Fahrzeugreifen / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen |
TYRE TREAD FOR HEAVY GOODS VEHICLE TYRE HAVING IMPROVED INCISIONS
European Patent Office | 2021
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