Patent ID: 9353197
Filing Date: 2016-05-31
CPC Classification: C08F,Y02P

Claim Text:
1. A catalyst component for olefin polymerization, comprising a reaction product of: (1) an adduct represented by general formula (I): MgX (2) at least one titanium compound represented by general formula (II): Ti(OR) (3) at least one electron donor compound a and at least one electron donor compound b; wherein, in the general formula (I), X is Cl or Br; R′ is a C wherein R 1 and R 2 are independently chosen from C 1 -C 12 linear or branched alkyl, C 3 -C 10 cycloalkyl, C 4 -C 10 cycloalkylalkyl, C 6 -C 10 aryl, C 7 -C 10 alkaryl and C 7 -C 10 aralkyl; m ranges from 1.0 to 5.0; n ranges from 0 to 0.5; and q ranges from 0 to 0.8; in the general formula (II), R is a C the at least one electron donor compound a is chosen from esters of diol represented by general formula (IV): wherein R 1 and R 2 are independently chosen from C 1 -C 10 linear or branched alkyl, C 3 -C 20 cycloalkyl, C 4 -C 20 cycloalkylalkyl, C 6 -C 20 aryl, and C 7 -C 20 aralkyl, the aryl ring or cycloalkyl ring of which is optionally further substituted by a substituent chosen from halogen, C 1 -C 6 alkyl and C 1 -C 6 alkoxy; R 3 -R 6 and R 1 -R 2n are independently chosen from hydrogen, halogen, substituted or unsubstituted linear or branched C 1 -C 20 alkyl, C 3 -C 20 cycloalkyl, C 4 -C 20 cycloalkylalkyl, C 6 -C 20 aryl, C 7 -C 20 alkaryl, C 7 -C 20 aralkyl, C 2 -C 10 alkenyl, C 10 -C 20 fused aryl, and ester group, each of R 3 -R 6 and R 1 -R 2n comprises optionally one or more heteroatoms as a substitution of a carbon atom or a hydrogen atom or both, said heteroatom being chosen from N, O, S, Si, P, and halogen, and one or more of R 3 -R 6 and R 1 -R 2n are optionally linked to form a ring; and n is an integer ranging from 0 to 10; the at least one electron donor compound b is chosen from diether compounds represented by general formula (V): wherein R I , R II , R III , R IV , R V , and R VI are independently chosen from hydrogen, halogen, linear or branched C 1 -C 20 alkyl, C 3 -C 20 cycloalkyl, C 4 -C 20 cycloalkylalkyl, C 6 -C 20 aryl, and C 7 -C 20 aralkyl, the aryl ring or cycloalkyl ring of which is optionally further substituted by a substituent chosen from halogen, C 1 -C 6 alkyl and C 1 -C 6 alkoxy; R VII and R VIII are independently chosen from linear or branched C 1 -C 20 alkyl, C 3 -C 20 cycloalkyl, C 6 -C 20 aryl, C 7 -C 20 alkaryl, and C 7 -C 20 aralkyl; and the R I to R VI groups are optionally linked to form a ring; and the molar ratio of the electron donor compound a to the electron donor compound b ranges from 0.60 to 10.