<p>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 recycle system, for removing a recycle gas and unreacted monomer(s) from the reactor and returning the recycle gas and fresh monomer(s) to the reactor, and a plenum, 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.</p>
申请公布号
EP1341825(B1)
申请公布日期
2005.06.22
申请号
EP20010991625
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.