| 摘要 |
1,274,478. Polymerisation apparatus. SOLVAY & CIE. 9 Dec., 1969 [13 Dec., 1968], No. 60067/69. Heading B1X. [Also in Division C3] Apparatus for the production of fibrillated polyethylene comprises reactor 1 provided with a stirrer, one or more inlets 2, 3, 4 for feeding ethylene, catalyst and diluent, a gas-removing enclosure 6 also having a stirrer and connected to reactor I by a channel which has an expansion valve 5, heating means for heating the suspension of polymer after removal of gas therefrom, the heating means comprising polymer liquefying vat 9 and/or heat exchanger 13, and being connected to the gas-removing enclosure 6 by a channel, extrusion means 15 fed from the heating means and extruding into enclosure 18 for instantaneously vaporizing the diluent, the product then leaving at 20, and optionally filtration means 14, and pressure control means 16, 17. |
