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US 2011/0297890 A1Published application
Electrically conductive polyolefin blends
AssigneePolyOne Corporation
InventorsJoseph Huang, George P. Kipouras
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Abstract
An electrically conductive polymer compound is disclosed. The compound comprises a matrix comprising two polyolefin copolymers having different melt mass flow rates and electrically conductive functional additive particles dispersed in the matrix. The compound is useful for making extruded and molded plastic articles that need electrical conductivity.
Claims18
An electrically conductive polymer compound, comprising:
- (a) a matrix comprising two polyolefin copolymers having different melt mass flow rates, and
- (b) electrically conductive particles dispersed in the matrix,
- wherein both copolymers are ethylene-propylene copolymer but having different melt mass flow rates, and
- wherein the melt mass flow rate of one copolymer is about 30 to 90 higher in g/10 min. than the other copolymer when measured at 230° C. and 2.16 kg using ASTM D1238.
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Dependencies are inferred from the claim text.