Stabilized polyethylene resins and method of stabilization

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

1991-01-14

1992-03-17

Morgan, Kriellion S.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C08K 509

Patent

active

050969552

ABSTRACT:
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 to the polyethylene resin prior to or during melt processing operations. The resulting polymer composition are melt-stabilized, crosslink-resistant, substantially gel-free polymer compositions having many uses. The novel compositions are prepared free of metal deactivators.

REFERENCES:
patent: 3310510 (1967-03-01), Breslow
patent: 3464943 (1969-09-01), Newland

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