Patent classifications
C07F17/00
1,2-phenylene bridged 1-indenyl-2-indenyl metallocene complexes for olefin polymerisation
The invention relates to a metallocene complex according to formula (I), (I) wherein R.sub.1 and R.sub.2 are independently selected from H, an alkyl or an aryl group, wherein R.sub.3 is a C1-C10 alkyl group, wherein R′ is selected from H, an alkyl group, an aryl group and wherein different R′ substituents can be connected to form a ring structure and wherein B is a 1,2 phenylene bridging moiety, which can be optionally substituted, wherein Mt is selected from Ti, Zr and Hf, X is an anionic ligand, z is the number of X groups and equals the valence of Mt minus 2. The invention also relates to a catalyst comprising the reaction product of the metallocene complex and a cocatalyst. Further the invention relates to a (co)polymerisation process of olefinic monomers. ##STR00001##
1,2-phenylene bridged 1-indenyl-2-indenyl metallocene complexes for olefin polymerisation
The invention relates to a metallocene complex according to formula (I), (I) wherein R.sub.1 and R.sub.2 are independently selected from H, an alkyl or an aryl group, wherein R.sub.3 is a C1-C10 alkyl group, wherein R′ is selected from H, an alkyl group, an aryl group and wherein different R′ substituents can be connected to form a ring structure and wherein B is a 1,2 phenylene bridging moiety, which can be optionally substituted, wherein Mt is selected from Ti, Zr and Hf, X is an anionic ligand, z is the number of X groups and equals the valence of Mt minus 2. The invention also relates to a catalyst comprising the reaction product of the metallocene complex and a cocatalyst. Further the invention relates to a (co)polymerisation process of olefinic monomers. ##STR00001##
Catalysts for olefin polymerization
New bisindenyl ligand complexes and catalysts comprising those complexes. The invention is directed to improving the manufacturing of specific C1-symmetric bisindenyl complexes by modifying one of the indenyl ligands in order to improve the selectivity of the complex synthesis towards the desired anti-isomer, increase the yield and simplify the purification of the complex. The invention also relates to the use of the new bisindenyl metallocene catalysts for the production of polypropylene homopolymers or propylene copolymers.
Catalysts for olefin polymerization
New bisindenyl ligand complexes and catalysts comprising those complexes. The invention is directed to improving the manufacturing of specific C1-symmetric bisindenyl complexes by modifying one of the indenyl ligands in order to improve the selectivity of the complex synthesis towards the desired anti-isomer, increase the yield and simplify the purification of the complex. The invention also relates to the use of the new bisindenyl metallocene catalysts for the production of polypropylene homopolymers or propylene copolymers.
Compounds And Methods For Selectively Forming Metal-Containing Films
Compounds for selectively forming metal-containing films are provided. Methods of forming metal-containing films are also provided. The methods include forming a blocking layer, for example, on a first substrate surface, by a first deposition process and forming the metal-containing film, for example, on a second substrate surface, by a second deposition process.
METALLOCENE COMPOUND, AND PREPARATION METHOD THEREFOR AND APPLICATION THEREOF
A metallocene compound having a structure shown by formula (I). A functional group connected to a bridging atom of the metallocene compound is an amine-substituted group and/or a metallocene-substituted group and/or a substituted metallocene group. A metallocene catalyst containing the metallocene compound has high catalytic activity, and can synthesize metallocene polypropylene having high isotacticity.
R.sup.IR.sup.IIZ(Cp.sup.III).sub.n(E).sub.2-nML.sup.IVL.sup.V (I)
Catalyst formulations
Embodiments of the present disclosure are directed towards catalyst formulations including a metallocene and a stearic compound selected from bis 2-hydroxyethyl stearyl amine, aluminum distearate, and combinations thereof, where the metallocene is represented by the following formula: (Formula (I)) wherein each n-PR is n-propyl, and each X is independently CH.sub.3, Cl, or F. ##STR00001##
Catalyst formulations
Embodiments of the present disclosure are directed towards catalyst formulations including a metallocene and a stearic compound selected from bis 2-hydroxyethyl stearyl amine, aluminum distearate, and combinations thereof, where the metallocene is represented by the following formula: (Formula (I)) wherein each n-PR is n-propyl, and each X is independently CH.sub.3, Cl, or F. ##STR00001##
CATALYST FOR OLEFIN POLYMERIZATION AND POLYMERIZATION METHOD USING SAME
Disclosed is a catalyst for olefin polymerization, comprising a main catalyst and a cocatalyst; the main catalyst is a bisphenol metal complex represented by formula I, and the cocatalyst comprises an organoaluminum compound; in formula I, R.sub.1, R.sub.1′, R.sub.2, R.sub.2′ are the same or different, and are each independently selected from hydrogen and a substituted or unsubstituted C.sub.1-C.sub.20 hydrocarbyl; R.sub.3-R.sub.7, R.sub.3′-R.sub.7′ are the same or different, and are each independently selected from hydrogen and a substituted or unsubstituted C.sub.1-C.sub.20 hydrocarbyl; R.sub.8 and R.sub.9 are the same or different, and are each independently selected from hydrogen or a substituted or unsubstituted C.sub.1-C.sub.20 hydrocarbyl; M and M′ are the same or different, and are selected from Group IV metals; and X is halogen;
##STR00001##
CATALYST FOR OLEFIN POLYMERIZATION AND POLYMERIZATION METHOD USING SAME
Disclosed is a catalyst for olefin polymerization, comprising a main catalyst and a cocatalyst; the main catalyst is a bisphenol metal complex represented by formula I, and the cocatalyst comprises an organoaluminum compound; in formula I, R.sub.1, R.sub.1′, R.sub.2, R.sub.2′ are the same or different, and are each independently selected from hydrogen and a substituted or unsubstituted C.sub.1-C.sub.20 hydrocarbyl; R.sub.3-R.sub.7, R.sub.3′-R.sub.7′ are the same or different, and are each independently selected from hydrogen and a substituted or unsubstituted C.sub.1-C.sub.20 hydrocarbyl; R.sub.8 and R.sub.9 are the same or different, and are each independently selected from hydrogen or a substituted or unsubstituted C.sub.1-C.sub.20 hydrocarbyl; M and M′ are the same or different, and are selected from Group IV metals; and X is halogen;
##STR00001##