Patent ID: 11859041
Assignee: CHEVRON PHILLIPS CHEMICAL COMPANY LP
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C  G | IPC C  G

Claim 18:
19. The method for designing a Group 4 metallocene olefin polymerization catalyst according to claim 16, wherein a number of non-covalent (dispersion-type) interactions NCIA, NCIB, and NCIC within a distance of from 2.5 Å to 4.0 Å comprises the number of CH—H, CH—X (X═F, Cl, Br, N, O), and CH-π interactions between the ethylene molecule or the α-olefin molecule and the substituted or unsubstituted η5-cycloalkadienyl ligands and the first test substituent of the second metallocene catalyst framework within a distance range of 2.5 to 4.0 Å.