Process for the preparation of a metal-organic compound comprising at least one imine ligand
申请人:Ijpeij Gerard Edwin
公开号:US20060247438A1
公开(公告)日:2006-11-02
The invention relates to a process for the preparation of a metalorganic compound, comprising at least one imine ligand, characterized in that an imine ligand according to formula 1, or the HA adduct thereof, wherein HA represents an acid, of which H represents its proton and A its conjugate base, is contacted with a metal-organic reagent of formula 2 in the presence of at least 1, respectively 2 equivalents of an inorganic or metal-organic base, wherein Y═N—R (formula 1), Y is selected from a substituted carbon, nitrogen or phosphorous atom, R represents a proton, a protic or an aprotic substituent, and the metal organic compound is: M
V
(L
1
)k(L
2
)l(L
3
)
m
(L
4
)
n
X (formula 2) wherein: M represents a group 4 or group 5 metal ion, V represents the valency of the metal ion, being 3, 4 or 5, L
1
, L
2
, L
3
, and L
4
represent ligands on M and may be equal or different, X represents a group 17 halogen atom, and k, l, m, n=0, 1, 2, 3, 4 with k+l+m+n+l=V. The invention further relates to a process for the preparation of a polyolefin by making a metal-organic compound according to the process of the invention, wherein the base is an olefin polymerisation compatible base, which metal-organic compound is activated anywhere in, or before a polymerisation reactor.
本发明涉及一种制备金属有机化合物的工艺,该化合物包含至少一种亚胺配体,其特征在于,根据式 1 的亚胺配体或其 HA 加合物,其中 HA 代表一种酸,其中 H 代表其质子,A 代表其共轭碱、在至少 1 个或 2 个当量的无机碱或金属有机碱存在下,与式 2 的金属有机试剂接触,其中 Y═N-R (式 1),Y 选自取代的碳原子、氮原子或磷原子,R 代表质子、质子或烷基取代基,金属有机化合物为:M
V
(L
1
)k(L
2
)l(L
3
)
m
(L
4
)
n
X(式 2) 其中M 代表第 4 组或第 5 组金属离子,V 代表金属离子的化合价(3、4 或 5),L
1
, L
2
, L
3
和 L
4
代表 M 上的配位体,可以相同或不同,X 代表 17 族卤原子,k、l、m、n=0、1、2、3、4,k+l+m+n+l=V。本发明进一步涉及一种根据本发明工艺制备金属有机化合物制备聚烯烃的工艺,其中碱为烯烃聚合相容碱,该金属有机化合物在聚合反应器内或聚合反应器前的任何地方活化。