Rubber mixture and vehicle tire

US9758647B2 · kind B2 · utility

Assignee

• Continental Reifen Deutschland GmbH · DE

Inventors

• Verena Busch · Barsinghausen, DE
• Thomas Pietag · Stadthagen, DE
• Corinna Schwarzendahl · Hannover, DE
• Hong Peng Tang · Petaling Jaya, MY
• Martin Francke · Garbsen, DE

Key dates

• Filing date: Dec 22, 2015
• Grant date: Sep 12, 2017
• Expiry date: Dec 22, 2035

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L2205/02
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A rubber mixture and a pneumatic vehicle tire having a rubber mixture containing the following constituents: 15 to 55 phr of at least one natural polyisoprene and/or 15 to 55 phr of at least one synthetic polyisoprene and 15 to 85 phr of at least one polybutadiene and 25 to 55 phr of at least one carbon black and 1 to 10 phr of at least one ozone protection wax, wherein the ozone protection wax contains unbranched hydrocarbons having the following chain length distribution consisting of at least the three ranges A, B and C: range A: hydrocarbons having 26 to 31 carbon atoms, range B: hydrocarbons having 32 to 36 carbon atoms, range C: hydrocarbons having 37 to 47 carbon atoms, wherein the relative proportions of the ranges A to B to C are (0.7-1.5) to 1 to (0.6 - 1.4).