Broad molecular weight polyethylene and polyethylene having a bimodal molecular weight distribution can be produced with chromium oxide catalyst supported on silica having particular values of surface area and pore volume in conjunction with alkyl silanols, aluminium alkyls, and silyl chromate, optionally also with titanium alkoxides.
申请公布号
WO2004076494(A3)
申请公布日期
2004.10.28
申请号
WO2004US01706
申请日期
2004.01.23
申请人
UNIVATION TECHNOLOGIES, LLC;CANN, KEVIN, J.;ZHANG, MINGHUI;MOORHOUSE, JOHN, H.;APECETCHE, MARIA, A.
发明人
CANN, KEVIN, J.;ZHANG, MINGHUI;MOORHOUSE, JOHN, H.;APECETCHE, MARIA, A.
