Process for reducing hexane extractables from ethylene...

Details Process for reducing hexane extractables from ethylene... Process for reducing hexane extractables from ethylene...

C - Chemistry, Metallurgy

08

F

C08F 2/34 (2006.01) C08F 4/02 (2006.01) C08F 210/02 (2006.01)

Patent

CA 2060249

- 36 - TITLE PROCESS FOR REDUCING HEXANE EXTRACTABLES ETHYLENE COPOLYMERS ABSTRACT OF THE DISCLOSURE A process for reducing the amount of hexane extractables present in ethylene copolymer resins produced by gas phase polymerization in the presence of a catalyst having a least one titanium compound, at least one magnesium compound, at least one electron donor compound, at least one activator compound and at least one silica support material, by utilizing a silica support material having a particle size having an average value of 15-25 microns with no more than 5% of the particles being greater than 50 microns. D-16628

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