Patent · US Active

Propylene polymers having broad molecular weight distribution

US9145495B2 · kind B2 · utility

0Cited by

29References

10Claims

0Family size

Assignee

Basell Poliolefine Italia S.r.l. · IT

Inventors

Camillo Cagnani · Ferrara, IT
Piet Roose · Brussels, BE
Cees Besems · Rijen, NL

Key dates

Filing date	Jun 26, 2006
Grant date	Sep 29, 2015
Priority date	—
Expiry date	Sep 12, 2028

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08J2323/10
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Propylene homopolymers or copolymers containing up to 5.0 wt % of alpha-olefin units having from 2 to 8 carbon atoms other than propylene, characterized in that said propylene homopolymers or copolymers have Polydispersity Index value higher than 15, Melt Strength higher than 1.50 cN at 230° C. and Melt Flow Rate (ISO1133, 230° C./2.16 Kg) from 0.01 to 20 g/10 min.

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