HYDROCARBYLHALOALUMINO XANES

摘要

Discrete hydrocarbylhaloaluminoxane compounds having a molecular weight of above 1000 and defined ratio of hydrocarbyl groups, aluminum atoms, and oxygen atoms in the molecule are provided. These compounds can have an X-ray crystal structure and/or a cluster of fused hexagonal rings consisting of A1 and O atoms having the formula [(XA1O)6O] and having the general formula R9A116O13X13 where R is a hydrocarbyl group (e.g., Me or Et) and X is a halogen atom (e.g., F or C1). They can be interacted with known inorganic or organometallic olefin polymerization catalyst compounds to form active polymerization catalysts. Such catalysts of the hydrocarbylhaloaluminoxane compounds can be supported on organic or inorganic catalyst supports or carriers, and the supported or unsupported catalysts can be used to polymerize polymerizable olefins such as ethylene and/or propylene with or without higher alpha-olefins.