Propylene polymer catalyst donor component

Abstract

A solid, hydrocarbon-insoluble, catalyst component useful in polymerizing olefins containing magnesium, titanium, and halogen further contains an internal electron donor comprising a compound containing electron donating substituents with a structure: wherein D 1 and D 2 are selected individually from and R, R 2 , R 3 , R 4 , R 5 , R 6 , and R 7 individually are hydrocarbon or substituted hydrocarbon groups containing 1 to 20 carbon atoms and R 2 , R 3 , R 4 , R 6 , and R 7 may be hydrogen; R 4 may be —NR 2 ; and wherein groups R 1 and R 2 , R 2 and R 3 , R 3 and R 4 , R 3 and R 5 , and groups R 6 and R 7 may be joined to form a cyclic structure.

1 . A solid, hydrocarbon-insoluble, catalyst component useful in polymerizing olefins containing magnesium, titanium, and halogen further containing an internal electron donor comprising at least one internal electron donor comprising a compound containing electron donating substituents with a structure: 
       
         
           
           
               
               
           
         
         wherein D 1  and D2 are selected individually from 
       
       
         
           
           
               
               
           
         
         and R, R 2 , R 3 , R 4 , R 5 , R 6 , and R 7  individually are hydrocarbon or substituted hydrocarbon groups containing 1 to 20 carbon atoms and R 2 , R 3 , R 4 , R 6 , and R 7  may be hydrogen; R 4  may be —NR 2 ; and 
         wherein groups R 1  and R 2 , R 2  and R 3 , R 3  and R 4 , R 3  and R 5 , and groups R 6  and R 7  may be joined to form a cyclic structure. 
       
     
     
         2 . A catalyst component of  claim 1  wherein R is an alkyl group containing 1 to 8 carbon atoms. 
     
     
         3 . A catalyst component of  claim 1  wherein R 2  is an alkyl group containing 1 to 8 carbon atoms and R 3  is hydrogen. 
     
     
         4 . A catalyst component of  claim 3  wherein R 2  is methyl. 
     
     
         5 . A catalyst component of  claim 1  wherein R 4  is an alkyl group containing 1 to 8 carbon atoms or an arylalkyl group containing 7 to 15 carbon atoms. 
     
     
         6 . A catalyst component of  claim 5  wherein R 4  is methyl or benzyl. 
     
     
         7 . A catalyst component of  claim 1  wherein R 3  and R 5  are joined to form a five- or six-membered ring. 
     
     
         8 . A catalyst component of  claim 1  wherein R 5  and R 6  are joined to form a five- or six-membered ring. 
     
     
         9 . A catalyst component of  claim 1  wherein R 5  and R 6  are joined to form a five- or six-membered ring containing at least one nitrogen or oxygen heteroatom. 
     
     
         10 . A solid, hydrocarbon-insoluble, catalyst component of  claim 1  wherein at least one internal electron donor comprises a compound containing electron donating substituents with a structure: 
       
         
           
           
               
               
           
         
         wherein R, R′, R 1 , R 2 , and R 3  individually are hydrocarbon or substituted hydrocarbon groups containing 1 to 20 carbon atoms and R 2 , R 3 , R 4 , R 6 , and R 7  may be hydrogen; and 
         wherein groups R 1  and R 2  and/or groups R 2  and R 3  may be joined to form a cyclic structure. 
       
     
     
         11 . A catalyst component of  claim 10  wherein R and R are alkyl groups containing 1 to 8 carbon atoms. 
     
     
         12 . A catalyst component of  claim 11  wherein R and R′ are different alkyl groups. 
     
     
         13 . A catalyst component of  claim 10  wherein R and is an arylalkyl group containing 7 to 20 carbon atoms. 
     
     
         14 . A catalyst component of  claim 13  wherein R and is a benzyl group. 
     
     
         15 . A solid, hydrocarbon-insoluble, catalyst component of  claim 1  wherein at least one internal electron donor comprises a compound containing electron donating substituents with a structure: 
       
         
           
           
               
               
           
         
         wherein R, R 1 , R 2 , R 3 , and R 4  individually are hydrocarbon or substituted hydrocarbon groups containing 1 to 20 carbon atoms and R 2 , R 3 , R 4 , R 6 , and R 7  may be hydrogen; and 
         wherein groups R 2  and R 3  may be joined to form a cyclic structure. 
       
     
     
         16 . A catalyst component of  claim 15  wherein R 4  is —NR 2  and R is an alkyl group containing 1 to 8 carbon atoms. 
     
     
         17 . A catalyst component of  claim 16  wherein R is an ethyl group. 
     
     
         18 . A catalyst component of  claim 1  wherein the electron donor containing compound is ethyl(phenylacetoxy)acetate. 
     
     
         19 . A catalyst component of  claim 1  wherein R 4  is not hydrogen. 
     
     
         20 . A process to polymerize propylene or a mixture of propylene and ethylene or a C 4 -C 8  alpha-olefin using a catalyst system containing a catalyst component of  claim 1 .