Absorbent materials having high stiffness and fast absorbency rates

Absorbent materials having high stiffness and fast absorbency rates

Disclosed are absorbent composites, useful in an absorbent article, having a superabsorbent material having a high stiffness and a fast absorption rate. The superabsorbent materials of the absorbent composites of this invention have a stiffness index of greater than about 0.87 and a vortex time of l...

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Hauptverfasser: CHAKRAVARTY JAYANT, RANGANATHAN SRIDHAR, ZHANG XIAOMIN, M. UTTECHT CATHLEEN, DODGE RICHARD NORRIS, QIN JIAN, TSAI FU-JYA DANIEL, BIRBIGLIA LANGE NANCY
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CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES
DISINFECTION, STERILISATION, OR DEODORISATION OF AIR
HUMAN NECESSITIES
HYGIENE
MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES
MEDICAL OR VETERINARY SCIENCE
METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL
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creator CHAKRAVARTY JAYANT
RANGANATHAN SRIDHAR
ZHANG XIAOMIN
M. UTTECHT CATHLEEN
DODGE RICHARD NORRIS
QIN JIAN
TSAI FU-JYA DANIEL
BIRBIGLIA LANGE NANCY
description Disclosed are absorbent composites, useful in an absorbent article, having a superabsorbent material having a high stiffness and a fast absorption rate. The superabsorbent materials of the absorbent composites of this invention have a stiffness index of greater than about 0.87 and a vortex time of less than about 40 seconds. Absorbent composites of this invention can have a high liquid intake rate and a rapid liquid lock-up. Absorbent composites of this invention can have an intake rate of at least about 1.9 cubic centimeter liquid/second at an 80% absorbent composite saturation level and a liquid lock-up fraction of at least about 0.70 at 50% superabsorbent material saturation. The absorbent composites of this invention can be a freeze-dried composite, an airformed absorbent composite, or other fibrous or non-fibrous absorbent composites.
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subjects CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES
DISINFECTION, STERILISATION, OR DEODORISATION OF AIR
HUMAN NECESSITIES
HYGIENE
MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES
MEDICAL OR VETERINARY SCIENCE
METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL
title Absorbent materials having high stiffness and fast absorbency rates
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