Absorbent foam materials for aqueous fluids made from high inter

Details Absorbent foam materials for aqueous fluids made from high inter Absorbent foam materials for aqueous fluids made from high inter

1996-05-28

1998-04-21

Foelak, Morton

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

521 63, 521 64, 521146, 521149, C08J 928

Patent

active

057415811

ABSTRACT:
Low density collapsed absorbent foams materials that, upon contact with aqueous fluids, in particular urine, can expand and absorb these fluids. These low density foams typically have an expanded thickness from about 6 to about 10 times the thickness of the foams in their collapsed state. These low density foams are made by polymerizing high internal phase emulsions (HIPEs) where the volume to weight ratio of the water phase to the oil phase is in the range of from about 55:1 to about 100:1.

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