| 摘要 |
PCT No. PCT/FI95/00152 Sec. 371 Date Nov. 26, 1996 Sec. 102(e) Date Nov. 26, 1996 PCT Filed Mar. 23, 1995 PCT Pub. No. WO95/25758 PCT Pub. Date Sep. 28, 1995Ethene having a profitable alpha -olefin distribution and an alpha -olefin copolymer have been prepared with a process comprising reacting of at least the following components with each other: a) a procatalyst comprising a halogen compound of a transition metal in any of groups 4 to 8 of the periodic table of elements, b) a cocatalyst comprising an organohalogenous compound of a metal in group 2 or 3 of the periodic table of elements, c) ethene and d) one or more alpha -olefins copolymerizing with ethene, being characterised in that the organohalogenous compound of the metal in group 2 or 3 is prepared by reacting the organic compound of the metal in group 2 or 3 and a catalytically non-toxic halogen compound during copolymerization, or not earlier than 3 hours before copolymerization. |
