Patent · US Active

Polypropylene composition with high elasticity and transparency

US8907019B2 · kind B2 · utility

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0References

8Claims

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Assignee

Basell Polyolefine GmbH · DE

Inventors

Alexander Woerz · Havelsee, DE
Mike Freudenstein · Kiedrich, DE
Gerald Lutz · Cologne, DE

Key dates

Filing date	Dec 19, 2011
Grant date	Dec 9, 2014
Priority date	—
Expiry date	Dec 19, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/1397
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A propylene polymer composition comprising (percent by weight referring to the sum of A+B): A) 60%-90% of a crystalline propylene copolymer containing from 1.0% to 5.0% of ethylene derived units; B) 10%-40% of a copolymer of propylene with from 18% to 32% of ethylene derived units, said propylene polymer composition having a melt flow rate value according to ISO 1133 (230° C., 2.16 kg) of from 1.0 to 2.0 g/10 min.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.