申请人:Green Simon
公开号:US20050227860A1
公开(公告)日:2005-10-13
A catalyst for polymerising 1-olefins, comprising (a) a tetradentate ligand I and II as illustrated in the specification wherein; D and D′ are phosphorus or nitrogen; Q and Q are bridging groups forming part of a ring; B is a bridging group between D and D′; R
1
and R
9
are each independently a polar group or phenyl, naphthyl, anthryl, phenanthryl, triptycyl or a heteroaromatic ring; R
5
to R
8
are selected from hydrogen, halogen, hydrocarbyl, heterohydrocarbyl, NR′
2
, PR′
2
, OR′, SR′ or SiR′
3
where each R′ is independently selected from hydrogen, halogen, hydrocarbyl, heterohydrocarbyl, and any adjacent groups may be joined together to form a ring; in the case I, A and A′ are independently OH,
0
−
, SH, S
−
, NR″H, R″N
−
, PR″H or R″P
−
; and in the case II A and A′ are independently NH, N
−
, PH or P
−
, where R″ is defined as for groups R
5
to R
9
above; and R
5
and R
5′
, R
6
and R
6′
, or R
7
and R
8
may be joined together to form a ring; (b) a source of Group 3 to 10 transition metal or a lanthanide metal and optionally (c) an activator. Also claimed are transition metal complexes of the ligands and a process for (co)polymerising 1-olefins.
一种用于聚合1-烯烃的催化剂,包括(a)如规范中所示的四齿配体I和II,其中;D和D′为磷或氮;Q和Q为桥连基,形成环的一部分;B是D和D′之间的桥连基;R1和R9分别独立地为极性基团或苯基,萘基,蒽基,菲基,三环基或杂环芳基;R5至R8选自氢,卤素,烃基,杂烃基,NR′2,PR′2,OR′,SR'或SiR′3,其中每个R′独立地选自氢,卤素,烃基,杂烃基,任何相邻的基团可以结合在一起形成环;在情况I中,A和A′分别独立为OH,0−,SH,S−,NR″H,R″N−,PR″H或R″P−;在情况II中,A和A′分别独立为NH,N−,PH或P−,其中R″如上述R5至R9基团所定义;并且R5和R5′,R6和R6′或R7和R8可以结合在一起形成环;(b)第3至10族过渡金属或镧系金属的来源;和可选的(c)活化剂。还声明了配体的过渡金属配合物以及聚合1-烯烃的(共)聚合过程。