Sulphur-crosslinkable rubber mixture, vulcanisate of the rubber mixture, and vehicle tyre

Abstract

The invention relates to a sulphur-crosslinkable rubber mixture, the vulcanisate thereof, and a vehicle tyre. The sulphur-crosslinkable rubber mixture contains at least the following constituents: - 50 to 100 phr of natural polyisoprene (NR), - 0 to 50 phr of at least one further diene rubber, - 5 to 80 phr of at least one regenerated rubber material which was produced by means of at least one regeneration agent, selected from the group consisting of dithiophosphoryl polysulfides and silanes with a polysulfane group, from a rubber material blend in an internal mixer wherein the rubber material blend consists of at least 50 wt.% of comminuted treads of truck radial tyres and / or bus radial tyres - 1 to 30 phr of at least one resin acting as tackifier and - 50 to 100 phr of at least one filler.

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