Lightweight nonwoven web laminates with improved comfort and...

B - Operations – Transporting – 32 – B

Patent

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Details

B32B 5/08 (2006.01) A61F 13/15 (2006.01) B32B 5/26 (2006.01) D04H 1/54 (2006.01) D04H 5/02 (2006.01) D04H 5/04 (2006.01) D04H 5/08 (2006.01) D04H 13/00 (2006.01)

Patent

CA 2160883

Disclosed is a lightweight nonwoven laminate particularly useful as a component of personal care articles, for example as a barrier cuff material for disposable diapers. Components of the laminate include at least one fine fiber layer having a basis weight in the range of from about 3 gsm to 26 gsm and at least one continuous filament layer having a basis weight in the range of from about 10 gsm to 30 gsm. The fine fiber component comprises at least a ratio of 20 % and the layers are intermittently bonded for a total basis weight up to about 55 gsm. Desirable softness, breathability and barrier properties are obtained.

L'invention se rapporte à un non-tissé léger multicouche, particulièrement utile comme composant d'articles d'hygiène personnelle, par exemple comme matériau enveloppant à effet barrière pour couches jetables. Les composants du non-tissé multicouche sont constitués par au moins une couche de fibres fines ayant un poids de base compris entre environ 3 et 26 grammes par mètre carré et par au moins une couche de filaments continus ayant un poids de base compris entre environ 10 et 30 grammes par mètre carré. Le composant en fibres fines représente une proportion d'au moins 20 % et lesdites couches sont collées par intermittence de façon à représenter un poids de base total pouvant aller jusqu'à environ 55 grammes par mètre carré. Les propriétés souhaitables de souplesse, de perméabilité à l'air et d'effet barrière de ce non-tissé sont ainsi obtenues.

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