Catalyst for preparing 1-hexene from ethene by oligomerization and its application

Application Number: 00107545
Application Date: 2000.05.18
Publication Number: 1294109
Publication Date: 2001.05.09
Priority Information:
International: C07C2/26
Applicant(s) Name: Research Inst opf Daqing Petro-Chemical Branch, Chinese Petroleum Group
Inventor(s) Name: Wang Gang;Xie Minghe;Wang Sihan
Patent Agency Code: 11230
Patent Agent: zhang ejun
Abstract A catalyst for preparing 1-hexene by ethylene oligomerization contains Cr compound, pyrrole derivative, alkyl aluminium compound and modifier, and features that said modifier is a compound XmARn, where XisCl or F, m=3-6, R is F, Cl, Br, CCl3, or H, n=0-2 and A is monoester cycloalkyl or phenyl. Its advantages include high activity and selectivity, and less generation of polyethylene as by-product.