Patent ID: 9556295
Date: 2017-01-31
CPC Classifications: C08F

Claim:
1. A process for producing a procatalyst, wherein the process comprises the steps in the order of: (a) contacting an inorganic support (IS) with an an alkyl metal chloride (AMC) to obtain a first reaction product (1 (b) contacting said first reaction product (1 (i) the alkyl metal chloride (AMC) is of formula (I): wherein: R is a C Me is a metal of group 13 of the Periodic Table, and n is 1 or 2, (ii) the compound (M) and the mixture (MI) comprise a hydrocarbyl and/or hydrocarbyl oxide linked to magnesium, (iii) the titanium compound (TC) is of formula (III): wherein: R′ is a C x is an integer of 3 or 4, and (iv) the electron donor compound (ED) is a compound (C) comprising two oxygen-containing rings, wherein said two rings are linked via a bridge selected from the group conisting of carbon bridge, silicon bridge, ethane-1,2-diyl bridge, ethene-1,2-diyl bridge, alkylaminomethyl bridge and imine bridge.