申请人:BOREALIS AG
公开号:WO2014096282A1
公开(公告)日:2014-06-26
A catalyst in solid particulate form free from an external carrier material comprising (i) a complex of formula (I) wherein M is zirconium or hafnium; each X is a sigma ligand; L is a divalent bridge selected from -R'2C-, -R'2C-CR'2-, -R'2Si-, -R'2Si-Si R'2-, -R'2 Ge-, wherein each R' is independently a hydrogen atom, C1-20-alkyl, tri(C1-20-alkyl)silyl, C6-20-aryl, C7-20-arylalkyl or C7-20-alkylaryl; R2 is a C1-20-hydrocarbyl radical; R2' is a C1-20-hydrocarbyl radical;R6 is a linear or branched aliphatic C1-20-hydrocarbyl group, SR9or OSR9;R6' is a linear or branched aliphatic C1-20-hydrocarbyl group, SR9'or OR9'; with the proviso that neither R6 or R6' represents a group having a quaternary carbon atom directly attached to the indenyl ring; R9 is a C1-20-hydrocarbyl group;R9' is a C1-20-hydrocarbyl group; Ar is a C6-12-aryl or C5-12-heteroaryl group optionally carrying one or more substituents R8; Ar' is a C6-12-aryl or C5-12-heteroaryl group optionally carrying one or more substituents R8';each R8 is a C1-20-hydrocarbyl group;each R8' is a C1-20 -hydrocarbyl group;wherein at least two of R2 and R2'; R6 and R6'; or Ar and Ar' are the same;and (ii) a cocatalyst comprising a compound of a group 13 metal, e.g. Al or boron.
固体颗粒形式的催化剂,不含外部载体材料,包括(i)公式(I)的配合物,其中M为锆或铪;每个X为σ配体;L为从-R'2C-,-R'2C-CR'2-,-R'2Si-,-R'2Si-SiR'2-,-R'2Ge-中选择的二价桥;其中每个R'独立地是氢原子,C1-20烷基,三(C1-20烷基)硅基,C6-20芳基,C7-20芳基烷基或C7-20烷基芳基;R2为C1-20烃基基团;R2'为C1-20烃基基团;R6为线性或支链脂肪族C1-20烃基团,SR9或OSR9;R6'为线性或支链脂肪族C1-20烃基团,SR9'或OR9';但R6或R6'均不代表直接连接到茚基环上的季碳原子的基团;R9为C1-20烃基团;R9'为C1-20烃基团;Ar为C6-12芳基或C5-12杂芳基,可选择携带一个或多个取代基R8;Ar'为C6-12芳基或C5-12杂芳基,可选择携带一个或多个取代基R8';每个R8为C1-20烃基团;每个R8'为C1-20烃基团;其中至少有两个R2和R2'、R6和R6'或Ar和Ar'相同;以及(ii)包括13族金属化合物的共催化剂,例如铝或硼。