Ethylene tetramerization catalyst composition and tetramerization method

• Main Authors: WU HONGFEI, LIU JUN, WANG XIAOQING, LI TONGLIN, ZHENG MINGFANG, HAN CHUNHUI
• Format: Patent
• Language: Chinese; English
• Published: 24.10.2017
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; METALLURGY; ORGANIC CHEMISTRY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; THEIR RELEVANT APPARATUS; TRANSPORTING

The invention provides an ethylene tetramerization catalyst composition which comprises a ligand compound shown in formula I, a transition metal compound, a promoter and tert-butyl hydroperoxide, and in the formula, R and R' are identical or different and are independently selected from hydrogen, alkyl, alkoxy, cycloalkyl and halogen. The invention further provides an ethylene tetramerization method which comprises a step of performing ethylene tetramerization reaction in the presence of the ethylene tetramerization catalyst composition. 本发明提供了种乙烯四聚催化剂组合物，包括式I所示的配体化合物、过渡金属化合物、助催化剂和叔丁基过氧化氢；式中R和R'相同或不同，各自独立地选自氢、烷基、烷氧基、环烷基或卤素。本发明还提供了种乙烯四聚的方法，包括在所述的乙烯四聚用催化剂组合物的存在下，进行乙烯四聚反应。