Patent · US Active

Phthalate-free PP homopolymers for meltblown fibers

US9828698B2 · kind B2 · utility

24Cited by

59References

15Claims

0Family size

Assignee

Borealis AG · AT

Inventors

Jingbo Wang · Linz, AT
Katja Klimke · Linz, AT
Joachim Fiebig · Felberleiten, AT
Henk Van Paridon · Averbode, BE
Anita Luyten · Beringen, BE
Markus Gahleitner · Ansfelden, AT

Key dates

Filing date	Dec 1, 2014
Grant date	Nov 28, 2017
Priority date	—
Expiry date	Dec 1, 2034

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L2205/025
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

The present invention is directed to a new polypropylene composition comprising a propylene homopolymer, to a melt-blown fiber comprising the polypropylene composition, to a melt blown web comprising the melt blown fiber and/or the polypropylene composition, to an article comprising the melt blown fiber and/or the melt blown web as well as to the use of the polypropylene composition for improving the relation between pressure drop and hydrohead of a melt-blown web.

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