Patent ID: 8536290

Claim:
A catalyst composition comprising: a procatalyst composition comprising a combination of a magnesium moiety, a titanium moiety, and an internal electron donor comprising an alkoxyalkyl 2-propenoate having the structure (I) wherein R 1 -R 5 are the same or different, R 1 is selected from the group consisting of a C 1 -C 20 primary alkyl group, a substituted C 1 -C 20 primary alkyl group, and a C 2 -C 20 alkenyl group; R 2 is selected from the group consisting of hydrogen, a C 1 -C 20 primary alkyl group, a substituted C 1 -C 20 primary alkyl group, and a C 2 -C 20 alkenyl group; and each of R 3 , R 4 , R 5 is selected from the group consisting of hydrogen, halogen, an acyclic C 1 -C 20 hydrocarbyl group, and an acyclic substituted C 1 -C 20 hydrocarbyl group; a cocatalyst; and an external electron donor.