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US 10,377,887 B2Granted
Nucleated polyethylene blends and their use in molded articles
AssigneeNOVA Chemicals (International) S.A.
InventorXiaoChuan Wang
Life of this patent
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Abstract
A polyethylene blend comprises a nucleated polyethylene homopolymer composition and an un-nucleated or nucleated bimodal polyethylene copolymer.
Claims18
A polyethylene blend comprising from 5 to 95 weight percent of a polyethylene homopolymer composition, and from 95 to 5 weight percent of a bimodal polyethylene copolymer;
- wherein the polyethylene homopolymer composition comprises a nucleating agent or mixture of nucleating agents;
- and wherein the polyethylene homopolymer composition comprises (I) 5 to 70 weight percent of a first ethylene homopolymer having a density of from 0.950 to 0.975 g/cm3;
- and (II) 95 to 30 weight percent of a second ethylene homopolymer having a density of from 0.950 to 0.975 g/cm3, wherein the ratio of the melt index I2 of the second ethylene homopolymer to the melt index I2 of the first ethylene homopolymer is at least 10.
Dependencies are inferred from the claim text.