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ELASTIC SPUNBONDED NONWOVEN AND ELASTIC NONWOVEN FABRIC COMPRISING THE SAME [09/09/2009 ]

 

PUB. NUMBER  

EP2094891

Appl. Data  

EP2008785501A 20080812

 

ALBIS SPA

 

BOSCOLO, Galliano

 

MALTESE, Antonino

TITLE  

ELASTIC SPUNBONDED NONWOVEN AND ELASTIC NONWOVEN FABRIC COMPRISING THE SAME

ABSTRACT  

The elastic spunbonded nonwoven (W) has high elastic recovery properties and comprises a plurality of multicomponent filaments. Each multicomponent filament, preferably of the sheath/core type, comprises a first polymeric component (P) extending along the length of the filament in at least a first section of the filament, and a second polymeric component (P') extending along the length of the filament in at least a second section of the filament that is distinct from the first section. The first polymeric component (P) comprises an elastic propylene-based olefin copolymer, and the second polymeric component (P') comprises an elastic propylene-based olefin and has a melt flow rate MFR2 that is higher than the melt flow rate MFR1 of the first polymeric component. The elastic propylene- based olefin copolymer for the first polymeric component and for the second polymeric component comprises propylene and from 10 to 25 weight % of one or more C2 and/or C4 to C10 alpha-olefin co-monomers. Said elastic spunbonded nonwoven (W) can be easily bonded with polyolefin-based nonwoven layer(s), especially polypropylene-based layer(s), in order to make a composite nonwoven, particularly suitable for the hygienic industry (diapers,...).

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<<Micropatent LLC -- 09/09/2009>>

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