The invention relates to an item made of rubber, selected from among tires for civil engineering vehicles, caterpillar tracks and conveyor belts, that exhibits a good performance trade-off between resistance to mechanical attack and hysteresis. This rubber item comprises a composition based on at least: an elastomeric matrix comprising at least 55% by weight of at least one isoprenic elastomer having a molar cis-1,4 bond content of at least 90%; a thermoplastic elastomer comprising at least one polyether elastomer block and at least one non-styrenic thermoplastic block, the thermoplastic elastomer having a melting point, Tf, within a range from 130°C to 175°C; 10 to 60 PHR carbon black; 5 to 30 PHR silica; and a crosslinking system; the carbon black representing from 55% to 95% by weight relative to the total weight of carbon black and silica.
ARTICLE EN CAOUTCHOUC RESISTANT AUX AGRESSIONS MECANIQUES
ITEM MADE OF RUBBER THAT IS RESISTANT TO MECHANICAL ATTACK
ARTIKEL AUS GEGEN MECHANISCHEN ANGRIFF BESTÄNDIGEM GUMMI
2024-08-07
Patent
Electronic Resource
French
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