A bridged metallocene compound of formula (I)
wherein:
M is a transition metal; X, is a hydrogen atom, a halogen atom, or a hydrocarbon group optionally containing heteroatoms; L is a divalent bridging group; R1 is a linear C1-C40 hydrocarbon radical optionally containing heteroatoms; T1 and T4 are a oxygen, sulfur atom or a C(R18)3 group; wherein R18, are hydrogen atoms or a C1-C40 hydrocarbon radical; T3 and T4 are C1-C40 hydrocarbon radicals; R4 is a hydrogen atom or a C1-C40 hydrocarbon radical; W is an aromatic 5 or 6 membered ring.
式(I)的桥联
金属茂化合物,其中:M是过渡
金属;X是氢原子、卤素原子或含有杂原子的碳氢基团;L是二价桥接基团;R1是线性的C1-C40碳氢基团,可选含有杂原子;T1和T4是氧原子、
硫原子或C(R18)3基团,其中R18是氢原子或C1-C40碳氢基团;T3和T4是C1-C40碳氢基团;R4是氢原子或C1-C40碳氢基团;W是芳香性的5或6元环。