Patent · US Active

Polypropylene film structure

US10886070B2 · kind B2 · utility

0Cited by

4References

13Claims

0Family size

Assignee

Borealis AG · AT

Inventors

Franciscus Jacobs · Evergem, BE
Guido Boelaers · Overpelt, BE

Key dates

Filing date	Apr 26, 2016
Grant date	Jan 5, 2021
Priority date	—
Expiry date	Oct 28, 2036

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08J2323/12
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The present invention is a structure comprising a biaxially oriented film having a layer comprising a homopolymer of propylene which layer is in contact with oil, characterised in that the homopolymer of propylene has a content of isotactic pentads of from 95% to 98% and a content of ash of not more than 30 ppm.

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