12-04-2018 дата публикации
Номер: US20180098893A1
Принадлежит:
A nonwoven web suitable for use as a secondary topsheet in disposable absorbent articles is described herein. The nonwoven web is a spunlaced, carded, staple fiber, nonwoven having a basis weight of between about 40 grams per square meter (gsm) and about 100 gsm. The nonwoven web has a plurality of absorbent fibers, a plurality of stiffening fibers and a plurality of resilient fibers, wherein the absorbent fibers makeup from about 20 percent to about 50 percent by weight, wherein the stiffening fibers makeup about 20 percent to about 40 percent by weight, wherein the resilient fibers makeup from about 25 percent to about 55 percent by weight, and wherein the carded staple fiber nonwoven is heat stiffened. 1. A spunlaced , carded , staple fiber , nonwoven having a basis weight of between about 40 grams per square meter (gsm) and about 100 gsm , the spunlaced , carded , staple fiber , nonwoven comprising a plurality of absorbent fibers , a plurality of stiffening fibers and a plurality of resilient fibers , wherein the absorbent fibers comprise from about 20 percent to about 50 percent by weight , wherein the stiffening fibers comprise bi-component fibers at about 20 percent to about 40 percent by weight , wherein the resilient fibers comprise from about 25 percent to about 55 percent by weight , wherein the resilient fibers comprise a hollow spiral configuration , and wherein the carded staple fiber nonwoven is heat stiffened.2. The spunlaced claim 1 , carded claim 1 , staple fiber claim 1 , nonwoven of claim 1 , wherein the hollow spiral resilient fibers comprise polyethylene terephthalate (PET) and have a linear density of about 6 dtex to about 12 dtex.3. The spunlaced claim 1 , carded claim 1 , staple fiber claim 1 , nonwoven of claim 1 , wherein the stiffening fibers comprise bi-component fibers arranged in a core-sheath configuration claim 1 , a side-by-side configuration claim 1 , or trilobal configuration.4. The spunlaced claim 3 , carded claim 3 , staple ...
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