Absorbent composites comprising a porous macrostructure of absorbent gelling particles and a substrate
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United States of America Patent
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Jul 16, 1996
Grant Date -
N/A
app pub date -
Oct 22, 1993
filing date -
Oct 22, 1993
priority date (Note) -
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Abstract
An absorbent composite having a porous absorbent macrostructure and a substrate. The porous macrostructure has interconnected absorbent gelling particles that are surface crosslinked with cationic, preferably polymeric, amino-epichlorohydrin adducts. Upon contacting liquids such as water or body exudates (e.g., urine), the porous absorbent macrostructure can swell and imbibe the liquids. The composite is useful in absorbent articles such as diapers, adult incontinence pads, and sanitary napkins are disclosed.
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