Spunbonded laminate
AssigneeReifenhaeuser GmbH & Co. KG Maschinenfabrik
InventorsTobias Wagner, Sebastian Sommer, Patrick Bohl
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Abstract
A laminate has first and second spunbonded nonwoven layers at least one of which comprises or consists essentially of crimped continuous filaments that are bicomponent filaments having a first component based on polypropylene and a second component based on polypropylene. A specific density ρ (g/cm3) of the spunbonded nonwoven laminate depending on the surface density of the spunbonded nonwoven laminate lies below a density limit ρG defined by the following equation: ρG=9 cm−1×surface density g/cm2+0.0393 g/cm3.
Claims16
A laminate comprising first and second spunbonded nonwoven layers wherein at least one spunbonded nonwoven layer comprises or consists essentially of crimped continuous filaments that are bicomponent filaments of core-sheath configuration and having a first component based on polypropylene and a second component based on polypropylene, a specific density ρ in g/cm3 of the spunbonded nonwoven laminate depending on the surface density of the spunbonded nonwoven laminate lying below a density limit ρG defined by the following equation:
- ρG=9 cm−1×surface density g/cm2+0.0393 g/cm3.
Dependencies are inferred from the claim text.