Elastic film laminates

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B - Operations, Transporting

32

B

B32B 5/26 (2006.01) A61F 13/15 (2006.01) D04H 13/00 (2006.01)

Patent

CA 2301002

An elastic liquid impermeable laminate is disclosed having an extensible barrier film; an 8 g/m2 to 100 g/m2 elastomeric nonwoven web comprising fibers of low density polyethylene having a density less than 0.89 g/cm3; and an extensible cloth-like outer layer, such as a nonwoven web of spunbonded fibers. The barrier laminate can be laminated by thermal point bonding to create patterns having improved loft, excellent hand and while achieving peel strengths in excess of 1000 grams.

L'invention concerne un laminé élastique imperméable aux liquides comportant un film barrière extensible; un voile non tissé élastomère de 8 g/m?2¿ à 100 g/m?2¿ comportant des fibres de polyéthylène de faible densité qui présentent une densité inférieure à 0,89 g/cm?3¿; et une couche extérieure extensible de type tissu, tel un voile non tissé de fibres filées-liées. Le laminé barrière peut être laminé par liage thermique de points pour produire des motifs qui présentent un gonflant amélioré, un toucher excellent, et qui possèdent en même temps une résistance à la séparation supérieure à 1000 grammes.

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