TUBULAR POLYMERISATION REACTOR FOR THE PREPARATION OF POLYETHYLENE

摘要

The invention relates to a tubular polymerisation reactor for the preparation of a homopolymer or a copolymer of ethylene at a temperature between of 40 °C to 375 °C and a reactor inlet pressure of between 50 to 500 Mpa. The inside surface of the reactor is profiled. The profile can be provided both on a tube segment and on a cone-ring between the tube segments. The profile forms a solid and integral body with the tube and/or with the cone-ring.