Polymerization catalyst compositions containing metallocene complexes and polymers produced by using the same

Abstract

The present invention provides a novel catalyst composition comprising a metallocene complex, and a novel producing method for various polymer compounds. Preferably, the invention provides a novel polymer compound, and a producing method thereof. Specifically, the invention provides a polymerization catalyst composition, comprising: (1) a metallocene complex represented by the general formula (I), including: a central metal M which is a group III metal atom or a lanthanoid metal atom; a ligand Cp* bound to the central metal and including a substituted or unsubstituted cyclopentadienyl derivative; monoanionic ligands Q 1 and Q 2 ; and w neutral Lewis base L; and (2) an ionic compound composed of a non-ligand anion and a cation: where w represents an integer of 0 to 3.

1 . A polymerization catalyst composition, comprising:
 (1) a metallocene complex represented by the general formula (I), including:
 a central metal M which is a group III metal atom or a lanthanoid metal atom; 
 a ligand Cp* bound to the central metal and including a substituted or unsubstituted cyclopentadienyl derivative; 
 monoanionic ligands Q 1  and Q 2 ; and 
 w neutral Lewis base L; and 
   (2) an ionic compound composed of a non-ligand anion and a cation:   
       
         
           
           
               
               
           
         
         where w represents an integer of 0 to 3. 
       
     
     
         2 . The polymerization catalyst composition according to  claim 1 , wherein the central metal M contained in the metallocene complex is selected from the group consisting of Scandium (Sc), Gadolinium (Gd), Yttrium (Y), Holmium (Ho), Lutetium (Lu), Erbium (Er), Dysprosium (Dy), Terbium (Tb), and Thulium (Tm). 
     
     
         3 . The polymerization catalyst composition according to  claim 1 , wherein the ligand Cp* including a cyclopentadienyl derivative is a non-crosslinking type ligand. 
     
     
         4 . The polymerization catalyst composition according to  claim 1 , wherein the cyclopentadienyl derivative contained in the ligand Cp* in the metallocene complex is tetramethyl(trimethylsilyl)cyclopentadienyl pentamethylcyclopentadienyl. 
     
     
         5 . The polymerization catalyst composition according to  claim 1 , wherein at least one of the monoanionic ligands Q 1  and Q 2  in the metallocene complex is a trimethylsilyl group. 
     
     
         6 . The polymerization catalyst composition according to  claim 1 , wherein the neutral Lewis base L in the metallocene complex is tetrahydrofran. 
     
     
         7 . The polymerization catalyst composition according to  claim 1 , which is used for an olefin monomer polymerization. 
     
     
         8 . The polymerization catalyst composition according to  claim 7 , wherein the olefin monomer is selected from the group consisting of an unsubstituted styrene, a substituted styrene, ethylene, α-olefin, diene, and norbornenes. 
     
     
         9 . The polymerization catalyst composition according to  claim 1 , which is used for copolymerization of two or more kinds of olefin monomers. 
     
     
         10 . The polymerization catalyst composition according to  claim 9 , wherein the two or more kinds of olefin monomers are selected from the group consisting of an unsubstituted styrene, a substituted styrene, ethylene, α-olefin, diene, and norbornenes. 
     
     
         11 - 52 . (canceled)