High suction polymeric foam materials

Details High suction polymeric foam materials High suction polymeric foam materials

1999-08-23

2000-08-22

Acquah, Samuel A.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

521 65, 521 73, 521142, 521146, 521149, 521150, 524801, 604358, C08J 926

Patent

active

061073563

ABSTRACT:
Disclosed are polymeric foam structures suitable for absorbing and storing body fluids such as urine, menses and the like. These liquid storage structures are high suction collapsible polymeric foam materials. The collapsed foams, upon contact with aqueous fluids, can absorb and expand these fluids even when opposed by significant hydrostatic pressures. These absorbent polymeric foams comprise interconnected open-cells. In one aspect, the foams can absorb at least about 25 g/g against a hydrostatic head pressure of 50 cm. In another aspect, the foams of the present invention will have a vertical hang sorption height at 90% of at least about 60 cm.

REFERENCES:
patent: 5800416 (1998-09-01), Seger et al.
patent: 5817081 (1998-10-01), Lavon et al.
patent: 5827253 (1998-10-01), Young et al.
patent: 5827909 (1998-10-01), DesMarais
patent: 6013589 (2000-01-01), DesMarais et al.

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