MAGNESIUM COMPOUND, SOLID CATALYST COMPONENT, ETHYLENE POLYMERIZATION CATALYST, AND PROCESS FOR PRODUCING ETHYLENE POLYMER

摘要

A magnesium compound obtainable by reacting metal magnesium, ethanol, an alcohol having from 3 to 10 carbon atoms and a halogen and/or a halogen-containing compound containing at least 0.0001 gram atom of a halogen atom relative to one gram atom of the metal magnesium at 0 to 70° C., which comprises composition represented by the formula (I), and which has a particle diameter D50 corresponding to 50% of cumulative weight fraction of from 4 to 20 mum and a particle size distribution index (P) of P<4.0: <?in-line-formulae description="In-line Formulae" end="lead"?>Mg(OC2H5)2-n(OR1)n (I)<?in-line-formulae description="In-line Formulae" end="tail"?> where n is a numerical value satisfying 0<n<0.35, R1 is CmH2m+1, and m is an integer of from 3 to 10.