Stretchable nonwoven webs based on multi-layer blown microfibers
First Claim
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1. An extensible nonwoven web comprising melt-blown microfibers each of said microfibers having at least two substantially continuous layers throughout said microfiber length comprised of at least one first layer of a low modules material and at least one second layer of a relatively nonelastic higher modulus material capable of undergoing substantial permanent deformation.
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Abstract
A highly conformable and deformable nonwoven web comprising melt-blown microfibers having multiple layers of a relatively low modulus material and a high modulus material.
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30 Claims
- 1. An extensible nonwoven web comprising melt-blown microfibers each of said microfibers having at least two substantially continuous layers throughout said microfiber length comprised of at least one first layer of a low modules material and at least one second layer of a relatively nonelastic higher modulus material capable of undergoing substantial permanent deformation.
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