A process for the tetramerisation of ethylene includes contacting ethylene with a catalyst under ethylene oligomerisation conditions. The catalyst comprises a source of chromium, a ligating compound, and an activator. The ligating compound includes a phosphine that forms part of a cyclic structure.
一种
乙烯四聚化的工艺包括在
乙烯寡聚化条件下将
乙烯与催化剂接触。该催化剂包括
铬源、配位化合物和活化剂。配位化合物包括形成环状结构的膦。