申请人:Borealis AG
公开号:EP3301098A1
公开(公告)日:2018-04-04
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-SiR'2-,-R'2Ge-, 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;
R5 is a linear or branched aliphatic C1-20-hydrocarbyl group, SR9 or OR9;
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. A1 or boron.
一种不含外部载体材料的固体颗粒催化剂,包括 (i) 式 (I) 复合物
其中
M 是锆或铪
每个 X 是σ配体;
L 是选自-R'2C-、-R'2C-CR'2-、-R'2Si-、-R'2Si-SiR'2-、-R'2Ge-的二价桥,其中每个 R'独立地为氢原子、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 是 C1-20- 烃基;
R2' 是 C1-20-氢羰基;
R5 是直链或支链脂肪族 C1-20- 氢羰基、SR9 或 OR9;
R6'是直链或支链脂肪族 C1-20-氢羰基、SR9'或 OR9';
但 R6 或 R6'均不代表具有直接连接到茚基环的季碳原子的基团;
R9 是 C1-20 碳氢基团;
R9' 是 C1-20- 氢化羰基;
Ar 是 C6-12- 芳基或 C5-12- 异芳基,可选择带有一个或多个取代基 R8;
Ar' 是 C6-12- 芳基或 C5-12- 异芳基,可选择带有一个或多个取代基 R8';
每个 R8 均为 C1-20- 氢化羰基
每个 R8'是一个 C1-20-氢羰基;
其中至少两个 R2 和 R2';R6 和 R6';或 Ar 和 Ar'是相同的;
和(ii)由第 13 族金属,例如 A1 或硼的化合物组成的助催化剂。