A solution polymerization process in a series or parallel of two or more reactors at different temperatures is used to prepare a multimodal polyolefin resin of narrow molecular weight distribution. This resin is used to manufacture melt extruded pipe that has an improved performance at elevated temperatures and an improved hydrostatic design.
申请公布号
WO0125328(A1)
申请公布日期
2001.04.12
申请号
WO2000CA01079
申请日期
2000.09.26
申请人
NOVA CHEMICALS (INTERNATIONAL) S.A.;KAZAKOV, ALEXEI;BROWN, STEPHEN, JOHN;DOBBIN, CHRISTOPHER, JOHN, BROOKE;GRABOW, STAN, ALLAN
发明人
KAZAKOV, ALEXEI;BROWN, STEPHEN, JOHN;DOBBIN, CHRISTOPHER, JOHN, BROOKE;GRABOW, STAN, ALLAN