Stabilized polyethylene resins and method of stabilization

Details Stabilized polyethylene resins and method of stabilization Stabilized polyethylene resins and method of stabilization

C - Chemistry, Metallurgy

08

K

C08K 5/09 (2006.01) C08K 3/08 (2006.01) C08K 5/098 (2006.01) C08L 23/04 (2006.01)

Patent

CA 2100457

2100457 9212200 PCTABS00014 A novel process is disclosed for stabilizing polyethylene resins having pendant vinyl and/or vinylidene groups against changes in viscosity under melt process conditions. The process comprises adding a viscosity-stabilizing amount of transition metal or transition metal salt (other than nickel or a nickel salt) to the polyethylene resin prior to or during melt processing operations. The resulting polymer compositions are melt-stabilized, crosslink-resistant, substantially gel-free polymer compositions having many uses. The novel compositions are prepared free of metal deactivators.

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