Verfahren zur Herstellung von ultrahochmolekularem Polyethylen und Methode zur Aktivierung des Katalysatorträgers
摘要
The present invention relates to a process for producing polyethylene of very high molecular weight and a method for activating the catalyst support. The parameters related to the gaseous phase fluidized bed process were determined: the temperature in the reactor, the speed of the cycle gas, the effective time of retention inside the reactor and the concentration values of buten-1 and CO2 in the cycle gas. It also relates to a thermal activation method specially intended for silicate carriers of the chromocen catalyst (the mass loss is coupled with the temperature).
申请公布号
DE19645939(A1)
申请公布日期
1998.05.14
申请号
DE19961045939
申请日期
1996.11.07
申请人
BUNA SOW LEUNA OLEFINVERBUND GMBH, 06258 SCHKOPAU, DE