[EN] ALUMINOXANE CATALYST ACTIVATORS CONTAINING CARBOCATION AGENTS, AND USE THEREOF IN POLYOLEFIN CATALYSTS<br/>[FR] ACTIVATEURS DE CATALYSEUR À L'ALUMINOXANE CONTENANT DES AGENTS CARBOCATION, ET LEUR UTILISATION DANS DES CATALYSEURS DE POLYOLÉFINES
申请人:ALBEMARLE CORP
公开号:WO2012122332A1
公开(公告)日:2012-09-13
This invention relates to an activator composition comprising (i) an organoaluminum compounds; (ii) a carbocation compound of the formula R1(X)n; wherein R1 is a hydrocarbyl; n is from 1 to the number of possible substitutions of the hydrocarbyl group and each X is a labile leaving group; and (iii) an aluminoxane. The activator composition may also contain a carrier support. This invention also provides a catalyst composition comprising the activator composition described above and a transition metal component. This invention also provides methods of polymerizing monomer comprising carrying out such polymerization in the presence of one or more catalyst composition according to this invention.