The present invention relates to a method to polymerize monomer comprising contacting one or more monomer(s) with a catalyst system in a gas phase reactor having a plenum and a recycle system for removing a recycle gas and unreacted monomer(s) from the reactor and returning the recycle gas and fresh monomers(s) to the reactor, the method comprising the steps of: (a) cooling the recycle gas to form a cooled recycle gas; (b) optionally combining the cooled recycle gas with additional recycle gas; and (c) injecting the cooled recycle gas into the gas phase reactor through the plenum.
申请公布号
WO0238629(A2)
申请公布日期
2002.05.16
申请号
WO2001US51006
申请日期
2001.11.07
申请人
UNIVATION TECHNOLOGIES, LLC
发明人
MAWSON, SIMON;SZUL, JOHN, FRANCIS;GOODE, MARK, GREGORY;WILLIAMS, CLARK, C.