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    • 3. 发明申请
    • POLIMERIZATION CATALYST COMPRISING AN AMIDINE LIGAND
    • 包含AMIDINE LIGAND的POLIMERIZATION催化剂
    • WO2005090418A1
    • 2005-09-29
    • PCT/EP2005/002812
    • 2005-03-14
    • DSM IP ASSETS B.V.IJPEIJ, Edwin, GerardWINDMULLER, Peter, Jozef, HubertARTS, Henricus, JohannesVAN DER BURGT, FrancisVAN DOREMAELE, Gerardus, Henricus, JosephusZUIDEVELD, Martin, Alexander
    • IJPEIJ, Edwin, GerardWINDMULLER, Peter, Jozef, HubertARTS, Henricus, JohannesVAN DER BURGT, FrancisVAN DOREMAELE, Gerardus, Henricus, JosephusZUIDEVELD, Martin, Alexander
    • C08F10/00
    • 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 C 2-20 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, Sub 1 is a substituent, which comprises a group 14 atom through which Sub 1 is bonded to the imine carbon atom. Sub 2 is a substituent, which comprises a heteroatom of group 15-16, through which Sub 2 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 M w /M n of less than 2.6.
    • 本发明涉及一种在离子催化剂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,所述离子催化剂包含有机金属化合物和活化剂,以及任选的清除剂,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 观察配体,其价态v为0,1或2,q为表示观察配体A数的整数,Z为任选的桥接部分,n为平行桥连部分Z的整数,Y为含脒的旁观者 由式(2)表示的配位体: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Sub1与亚胺碳原子键合的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。