Patent · US Active

Polyolefin compositions having improved sealability

US8598277B2 · kind B2 · utility

1Cited by

5References

28Claims

0Family size

Assignee

Basell Poliolefine Italia S.r.l. · IT

Inventors

Giampaolo Pellegatti · Ventimiglia, IT
Michele Grazzi · Ferrara, IT
Stefano Spataro · Ferrara, IT

Key dates

Filing date	Nov 18, 2010
Grant date	Dec 3, 2013
Priority date	—
Expiry date	Nov 18, 2030

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L23/20
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Polyolefin composition with improved sealability comprising from 70 to 95% of one or more copolymers of propylene with one or more comonomers selected from ethylene, a C4-C8 α-olefin and combinations thereof, where the comonomer, or comonomers, content in (A) is from 5 to 25%, and from 5 to 30% by weight of butene-1 (co)polymer (B) having a flexural modulus of 60 MPa or less.

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