Polymer composition and preparation method

Details Polymer composition and preparation method Polymer composition and preparation method

C - Chemistry, Metallurgy

08

L

400/6578, 400/65

C08L 23/06 (2006.01) C08L 23/04 (2006.01)

Patent

CA 1257735

ABSTRACT OF DISCLOSURE An ethylene polymer composition is provided, the composition being a blend of a first ethylene polymer and a second ethylene polymer, the second ethylene polymer characterized by molecules having long chain Y-branches. The blend can be prepared by an extrusion process in which a portion of the polyethylene fed to the process is irradiated and the irradiated and non-irradiated polymers are blended by melt extrusion. The blends exhibit high flow activation energies and good blow-molding properties.

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