Absorbent macrostructure made from mixtures of different hydrogel-forming absorbent polymers for improved fluid handling capability
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United States of America Patent
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May 1, 2001
Grant Date -
N/A
app pub date -
Mar 1, 1999
filing date -
Aug 1, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Porous, absorbent macrostructures having improved fluid handling capabilities that include inter-particle bonded aggregates, and are useful in absorbent articles, such as diapers, adult incontinence pads and sanitary napkins, are disclosed. The inter-particle bonded aggregates of these macrostructures are made from mixtures of particulate absorbent polymers having different fluid handling properties, different shapes, or both. These macrostructures can be made from a wider variety of hydrogel-forming absorbent polymers without sacrificing desired fluid handling properties, and without being prone to gel blocking.
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