CATALYST COMPONENT FOR POLYMERISATION OF ETHYLENE INTO HIGH-MOLECULAR WEIGHT HIGH-LINEAR POLYETHYLENE, A CATALYST AND A METHOD FOR PREPARING IT Russian patent published in 2020 - IPC C08F4/70 C08F4/602 C07F15/06 C08F110/02 

FIELD: chemistry.

SUBSTANCE: invention relates to the catalyst component for the ethylene polymerization, to the catalyst, and to the catalyst production method. Catalyst component has a structure represented by general formula 1, where the cycloalkyl substituent is selected from a group comprising cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl, cyclooctyl, cyclononyl, cyclodecyl, cycloundecyl and cyclododecyl (i.e. k = 1...10); and substitutes R¹ and R² are independently selected from a group comprising alkylaromatic substitutes of formula CH_3-x(Ar)_x (1 ≤ x ≤ 3) and cycloalkyl substitutes C_3-12. Catalyst for polymerisation of ethylene to obtain high-linear polyethylene includes at least one compound of general formula 1; at least one aluminum organic activator, optionally ethylene, and at least one hydrocarbon solvent. Method of preparing catalyst includes mixing in any sequence of suspension or solution of at least one compound of general formula 1, suspension or solution of at least one organo-aluminum activator optionally in presence of ethylene in the medium of at least one hydrocarbon solvent.

EFFECT: obtaining catalyst component not described before for production of high-linear polyethylene with MM 12.3…598.5 kg/mol and catalyst containing said component.

9 cl, 1 tbl, 38 ex