Patent ID: 8232359
Filing Date: 2012-07-31
Classification: C07F,C08F,Y10S

Abstract:
1. A process for preparing ethylene homopolymers or copolymers of ethylene with α-olefin by using the transition metal compound, wherein the transition metal compound is represented by Chemical Formula (1): in the formula, M represents transition metal from Group 4 in the Periodic Table of Elements; Cp represents cyclopentadienyl ring which is η Ar represents (C6-C14)arylene; R n is an integer from 0 to 3; R represents (C1-C10)alkyl, (C3-C 10)cycloalkyl, (C6-C13)aryl, (C1-C10)alkyl(C6-C13)aryl, (C6-C13)ar(C1-C10)alkyl or (C1-C10)alkoxy; when n is 2 or 3, individual substituents of R may be same or different; X the alkyl, cycloalkyl, aryl, arylalkyl, alkoxy, aryloxy, alkylsiloxy, arylsiloxy, alkylamino, arylamino, alkylthio, arylthio, alkylphosphine, arylphosphine, alkylmercapto, arylmercapto of R