Patent ID: 6121182
Filing Date: 2000-09-19
Classification: C08F,Y10S

Abstract:
A catalyst compound for polyolefin production catalysts, comprising a metallocene compound represented by general formula (1) ##STR26## wherein M.sup.1 is a transient metal atom selected from the group consisting of Ti, Zr, and Hf; X.sup.1 and X.sup.2, which are the same or different, each represent a hydrogen atom, a halogen atom, a hydrocarbon group having 1 to 20 carbon atoms which may contain a halogen atom, an OR group, a SR group, an OCOR group, a SO.sub.2 R group, an OSO.sub.2 R group or a NRR' group, where R and R', which are the same or different, each represent a hydrogen atom or a hydrocarbon group having 1 to 7 carbon atoms which may contain a halogen atom;R.sup.1 and R.sup.2, which are the same or different, each represent a hydrogen atom, a hydrocarbon group having 1 to 20 carbon atoms, an OR"" group or a SR"" group, where R"" is a hydrogen atom or a hydrocarbon group having 1 to 7 carbon atoms, or combine to form a ring;R.sup.3 is a hydrogen atom, or a group represented by the general formula (2) ##STR27## wherein A.sup.1 is a carbon atom or a silicon atom; R.sup.13 is a hydrogen atom, a halogen atom or a hydrocarbon group having 1 to 7 carbon atoms which may contain a halogen atom;R.sup.4 is a group represented by the general formula (3) ##STR28## wherein A.sup.2 is a carbon atom or a silicon atom; R.sup.14 to R.sup.16, which are the same or different, each represent a hydrogen atom, a halogen atom, or a hydrocarbon group having 1 to 7 carbon atoms which may contain a halogen atom, provided that two or more of R.sup.14 to R.sup.16 are not a hydrogen atom simultaneously; or R.sup.14 to R.sup.16 may together with A.sup.2 combine to form a ring;R.sup.5 to R.sup.12, which are the same or different, each represent a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms which may contain a silicon atom or combine to form a ring together with the carbon atoms to which they are attached;Y.sup.1 is a carbon atom, a silicon atom or a germanium atom; andn is an integer of from 1 to 3.