Patent ID: 11919980
Assignee: TOTAL RESEARCH & TECHNOLOGY FELUY
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C  B | IPC B  C

Claim 10:
11. The composition according to claim 1, wherein catalyst component B comprises a bridged metallocene catalyst of formula (II), wherein, each of R5, R6, and R7, are independently selected from the group consisting of alkyl, alkenyl, cycloalkyl, cycloalkenyl, cycloalkenylalkyl, aryl, alkoxy, alkylaryl, arylalkyl, halogen,)Si(R10)3, and heteroalkyl; wherein each R10 is independently hydrogen, alkyl, or alkenyl; and r, s, t are each independently an integer selected from 0, 1, 2, 3, or 4;
L2 is —[CR8R9]h—, SiR8R9, GeR8R9, or BR8; wherein h is an integer selected from 1, 2, or 3; each of R8, and R9 are independently selected from the group comprising hydrogen, alkyl, alkenyl, cycloalkyl, cycloalkenyl, cycloalkenylalkyl, aryl, aminoalkyl, and arylalkyl; or R8 and R9 together with the atom to which they are attached form a cycloalkyl, cycloalkenyl or heterocyclyl;
M2 is a transition metal selected from the group consisting of zirconium, titanium, hafnium, and vanadium; and
Q3 and Q4 are each independently selected from the group consisting of halogen, alkyl, —N(R11)2, alkoxy, cycloalkoxy, aralkoxy, cycloalkyl, aryl, alkylaryl, aralkyl, and heteroalkyl; wherein R11 is hydrogen or alkyl.