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    • 5. 发明授权
    • Co-oligomerization process
    • 共低聚过程
    • US5276238A
    • 1994-01-04
    • US894666
    • 1992-06-05
    • Michael J. Doyle
    • Michael J. Doyle
    • C08F4/642B01J21/06C07C2/04C07C2/34C08F4/60C08F4/643C08F4/6592C08F10/14C08F210/02C10G50/00C07C2/30C07C2/26
    • C07C2/34C07C2/04C07C2531/22
    • A process for the preparation of olefins of the general formula (CH.sub.2 --CH.sub.2).sub.p --CH.dbd.CH.sub.2 in which formula R is a hydrocarbyl group and p is an integer of at least 1, comprising reacting ethene with at least one additional alpha olefin of the general formula R--CH.dbd.CH.sub.2 under oligomerization conditions in the presence of a catalyst system comprising a first component which is a bis(cyclopentadienyl) Group IVA metal compound containing a substituent which is attached to the metal and which is capable of reacting with a cation, and a second component which is a compound having a bulky anion containing a plurality of boron atoms and which is substantially non-coordinating under the reaction conditions and a cation, and recovering an oligomeric product comprising linear olefins of the general formula R--(CH.sub.2 --CH.sub.2).sub.p --CH.dbd.CH.sub.2, wherein the additional alpha olefin(s) and ethene are present in a molar ratio of at least 1 and wherein at least one of the cyclopentadienyl groups of the metal compound is (cyclo)alkyl and/or arylalkyl substituted.
    • 一种制备通式(CH 2 -CH 2)p -CH = CH 2的烯烃的方法,其中式R是烃基,p是至少为1的整数,包括使乙烯与至少一种另外的α-烯烃反应 在包含第一组分的催化剂体系的存在下,在低聚条件下通式为R-CH = CH 2,该第​​一组分是含有与金属连接的取代基的双(环戊二烯基)IVA族金属化合物,其能够与 阳离子和第二组分,其是具有包含多个硼原子的大体积阴离子并且在反应条件和阳离子下基本上不配位的化合物,并回收包含通式R-( CH 2 -CH 2)p -CH = CH 2,其中所述另外的α-烯烃和乙烯以至少为1的摩尔比存在,并且其中金属化合物的至少一个环戊二烯基是(环)a 烷基和/或芳基烷基取代。