FILM

The present invention relates to a porous polypropylene film for breathable film applications, such as sterilisable packaging, comprising polypropylene and a β- nucleating agent, wherein the film has a porosity of 30 to 60%, a void length of 200 to 400 nm, a void width of 30 to 100 nm, a Gurley air...

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Bibliographische Detailangaben
Hauptverfasser:	CHIVATANASOONTORN, Vadee, SAMUNUAL, Peerada, RUNGSWANG, Wonchalerm, PORNSUNTHORNTAWEE, Orathai, SAENDEE, Phutsadee, HEH, Kok Boon, CHEEVASRIRUNGRUANG, Watcharee
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP
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Beschreibung
Zusammenfassung:	The present invention relates to a porous polypropylene film for breathable film applications, such as sterilisable packaging, comprising polypropylene and a β- nucleating agent, wherein the film has a porosity of 30 to 60%, a void length of 200 to 400 nm, a void width of 30 to 100 nm, a Gurley air permeability of 8,000-50,000 sec/100 cc, and a microbial barrier LRV of more than 5.0. La présente invention concerne un film de polypropylène poreux pour des applications de film perméable à l'air, tel qu'un emballage stérilisable, comprenant du polypropylène et un agent de β-nucléation, le film ayant une porosité de 30 à 60 %, une longueur de vide de 200 à 400 nm, une largeur de vide de 30 à 100 nm, une perméabilité à l'air Gurley de 8000 à 50000 sec/100 cc, et une barrière microbienne LRV supérieure à 5,0.