Patent · US Active

Propylene-hexene random copolymer produced in the presence of a metallocene catalyst

US8367174B2 · kind B2 · utility

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28Claims

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Assignee

Borealis AG · AT

Inventors

Klaus Bernreitner · Linz, AT
Manfred Stadlbauer · Linz, AT
Norbert Hafner · Linz, AT
Wilfried Töltsch · Wels, AT

Key dates

Filing date	Nov 16, 2009
Grant date	Feb 5, 2013
Priority date	—
Expiry date	Dec 24, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31855
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Propylene copolymer a. comprising at least 1-hexene as a comonomer, b. having a comonomer content in the range of 1.0 to 3.0 wt.-%, c. having a xylene soluble fraction equal or below 2.5 wt.-%, d. having a polydispersity index (PI) of equal or below 4.0 Pa−1, and e. being partially crystallized in the β-modification.

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