<p>A new P-N-P ligand is useful in ethylene oligomerizations. In combination with i) a source of chromium; and ii) an activator such as methylalumoxane; the ligand of this invention may be used to prepare an oligomer product that contains a mixture of high purity alpha olefins. In a preferred embodiment, the ligand of this invention enables a selective oligomerization in which the majority of the liquid product is a mixture of hexene and octene. The amount of by-product polymer that is produced in preferred oligomerization reactions is advantageously low.</p>
申请公布号
EP2807173(A1)
申请公布日期
2014.12.03
申请号
EP20130740751
申请日期
2013.01.17
申请人
NOVA CHEMICALS (INTERNATIONAL) S.A.;GAO, XIAOLIANG;ZORICAK, PETER