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    • 4. 发明申请
    • Polymerization Catalyst Comprising Amidine Ligand
    • 包含脒配体的聚合催化剂
    • US20090012246A1
    • 2009-01-08
    • US10592861
    • 2005-03-14
    • Edwin IjpeijHenricus ArtsGerardus van DoremaelePeter WindmullerFrancis Van der BurgtMartin Alexander Zuideveld
    • Edwin IjpeijHenricus ArtsGerardus van DoremaelePeter WindmullerFrancis Van der BurgtMartin Alexander Zuideveld
    • B01J31/12C08F4/76C07F7/28C07D209/14C08F110/02
    • C08F10/00C08F4/65908C08F4/65912C08F210/18C08F236/20C08F2420/04C08F4/6592C08F210/06C08F2500/25C08F2500/03C08F2500/17
    • The invention relates to a process for the preparation of a polymer comprising at least one aliphatic or aromatic hydrocarbyl C2-20 olefin in the presence of an ionic catalyst comprising an organometallic compound and an activator, and optionally a scavenger, characterized in that the organometallic compound is a compound according to formula (1): where: M is a metal of group 3, 4, 5, 6 or 7, or the lanthanide series, and p is the valency of the metal M, A represents a neutral or anionic spectator ligand whose valency v is 0, 1 or 2, and q is an integer denoting the number of spectator ligands A, Z is an optional bridging moiety, n is the integer number of parallel bridging moieties Z, Y is an amidine-containing spectator ligand represented by formula (2): wherein the amidine-containing ligand is covalently bonded to the metal M via the imine nitrogen atom, Sub1 is a substituent, which comprises a group 14 atom through which Sub1 is bonded to the imine carbon atom. Sub2 is a substituent, which comprises a heteroatom of group 15-16, through which Sub2 is bonded to the imine carbon atom, r is an integer >0, L is an optional neutral Lewis basic ligand, j is an integer denoting the number of neutral ligands L, and X is an anionic ligand. The invention further relates to a organometallic compound according to formula (1) and a process for the preparation of this compound as well as to a UHMWPE having a weight average molecular weight of at least 4.000 kg/mol and a molecular weight distribution Mw/Mn of less than 2.6.
    • 本发明涉及在包含有机金属化合物和活化剂的离子催化剂和任选的清除剂的存在下,制备包含至少一种脂族或芳族烃基C 2-20烯烃的聚合物的方法,其特征在于有机金属化合物 是根据式(1)的化合物:其中:M是第3,4,5,6或7族的金属或镧系,p是金属M的化合价,A代表中性或阴离子观察者 配位体的化合价v为0,1或2,q为表示配体A的数的整数,Z为任选的桥连部分,n为平行桥连部分Z的整数,Y为含脒的观察配体 由式(2)表示:其中含脒配体通过亚胺氮原子与金属M共价结合,Sub1为取代基,其包含与亚氨基碳原子键合的14族原子。 Sub2是一个取代基,它包含15-16的杂原子,Sub2与亚氨基碳原子键合,r是大于0的整数,L是任选的中性路易斯碱性配体,j是一个整数, 中性配体L和X是阴离子配体。 本发明还涉及式(1)的有机金属化合物和该化合物的制备方法以及重均分子量至少为4.000kg / mol,分子量分布Mw / Mn的UHMWPE 小于2.6。