公开(公告)号：US20170037165A1

公开(公告)日：2017-02-09

申请号：US15304638

申请日：2015-04-15

Applicant: BOREALIS AG

Inventor： Noureddine AJELLAL ,  Roberta PELLECCHIA ,  Luigi RESCONI ,  Vyatcheslav V. IZMER ,  Dmitry S. KONONOVICH ,  Alexander Z. VOSKOBOYNIKOV

IPC: C08F210/16

CPC classification number: C08F210/16 ,  C08F4/65912 ,  C08F4/65908 ,  C08F4/65927 ,  C08F210/14 ,  C08F2500/03 ,  C08F2/06

Abstract: Catalyst system for producing ethylene copolymers in a high temperature solution process, the catalyst system comprising (i) a metallocene complex of formula (I) wherein M is Hf or Zr X is a sigma ligand, L is a bridge of the formula —SiR82—, wherein each R8 is independently a C1-C20-hydrocarbyl, tri(C1-C20-alkyl)silyl, C6-C20-aryl, C7-C20-arylalkyl or C7-C20-alkylaryl n is 0, 1 or 2 R1 and R1′ are the same or can be different and can be a linear or branched C1-C6-alkyl group, R2 and R2′ are the same or are different and are a CH2—R9 group, with R9 being H or linear or branched C1-C6-alkyl group R5 and R5′ are the same or are different and can be H or a linear or branched C1-C6-alkyl group or a OR group, wherein R is a C1-C6-alkyl group R6 and R6′ are the same or are different and can be H or a C(R10)3 group, with R10 being the same or different and R10 can be H or a linear or branched C1-C6-alkyl group or R5 and R6 and/or R5′ and R6′ taken together form an unsubstituted 4-7 membered ring condensed to the benzene ring of the indenyl moiety, with the proviso that if R5 and R6 as well as R5′ and R6′ taken together form an unsubstituted 5 membered ring condensed to the benzene ring of the indenyl moiety then R2 and R2′ are not a C1-alkyl group; and R7 and R7′ can be the same or are different and can be H or a linear or branched C1-C6-alkyl group (ii) an aluminoxane cocatalyst and (iii) optionally a boron containing cocatalyst

Abstract translation: 用于在高温溶液方法中生产乙烯共聚物的催化剂体系，所述催化剂体系包含（i）式（I）的茂金属络合物，其中M是Hf或Zr X是σ配体，L是式-SiR8 2 - ，其中每个R 8独立地是C 1 -C 20烃基，三（C 1 -C 20 - 烷基）甲硅烷基，C 6 -C 20 - 芳基，C 7 -C 20 - 芳基烷基或C 7 -C 20 - 烷基芳基n是0,1或2个R 1和 R 1'相同或可以不同，并且可以是直链或支链C 1 -C 6 - 烷基，R 2和R 2'相同或不同并且是CH 2 -R 9基团，其中R 9为H或直链或支链C1 C 1-6 - 烷基基团R 5和R 5'相同或不同，并且可以是H或直链或支链C 1 -C 6烷基或OR基团，其中R是C 1 -C 6 - 烷基基团R 6和R 6' 相同或不同，可以是H或C（R 10）3基团，其中R 10相同或不同，R 10可以是H或直链或支链C 1 -C 6 - 烷基或R 5和R 6和/或R 5' 并且R6'一起形成未取代的4-7元 环稠合到茚基部分的苯环，条件是如果R 5和R 6以及R 5'和R 6'合在一起形成未被取代的5元环稠合到茚基部分的苯环，那么R 2和R 2'是 不是C 1 - 烷基; 并且R 7和R 7'可以相同或不同，并且可以是H或直链或支链C 1 -C 6 - 烷基（ii）铝氧烷助催化剂和（iii）任选的含硼助催化剂