Patent · US Active

Multilayer film comprising propylene-ethylene-1-butene terpolymers

US11028259B2 · kind B2 · utility

0Cited by

2References

12Claims

0Family size

Assignee

Basell Poliolefine Italia S.r.l. · IT

Inventors

Paola Massari · Ferrara, IT
Caroline Cathelin · Ferrara, IT
Claudio Cavalieri · Ferrara, IT
Marco Ciarafoni · Ferrara, IT
Andrea Felisati · Ferrara, IT
Angelo Ferraro · Stillwater, US
Giampiero Morini · Ferrara, IT
Fabrizio Piemontesi · Ferrara, IT
Gianni Vitale · Ferrara, IT

Key dates

Filing date	Jul 19, 2016
Grant date	Jun 8, 2021
Priority date	—
Expiry date	Oct 16, 2036

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L2308/00
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A multilayer film made from or containing a skin layer made from or containing a polyolefin composition made from or containing:A) from 19 wt % to 50 wt % of a propylene ethylene copolymer having an ethylene derived units content ranging from 1.5 wt % to 6.0 wt % andB) from 50 wt % to 81 wt % of a propylene ethylene 1-butene terpolymer having an ethylene derived units content ranging from 1.5 wt % to 6.0 wt % and 1-butene derived units content of between 4.8 wt % to 12.4 wt %;the sum of the amount of component A) and B) being 100;the composition being characterized by the following features:

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