Patent ID: 11952494
Assignee: CONTINENTAL REIFEN DEUTSCHLAND GMBH
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C  B | IPC B  C

Claim 0:
1. A sulfur-crosslinkable rubber mixture comprising:
at least one diene rubber, and
at least one hydrothermal carbonized coal produced by hydrothermal carbonization of at least one starting substance,
wherein the at least one hydrothermal carbonized coal has a BET nitrogen surface area according to DIN ISO 9277 of 20 to 200 m2/g;
wherein the at least one hydrothermal carbonized coal is unactivated hydrothermal carbonized coal;
wherein the hydrothermal carbonization is carried out at a temperature of 150° C. to 300° C. and a pressure of 2 bar to 20 bar;
wherein the at least one hydrothermal carbonized coal has a surface functionality;
wherein the sulfur-crosslinkable rubber mixture is free from silane coupling agents; and
wherein at least one metal halide is used in the hydrothermal carbonization.