Process for making thin-wet absorbent foam materials for aqueous

Details Process for making thin-wet absorbent foam materials for aqueous Process for making thin-wet absorbent foam materials for aqueous

1994-11-18

1997-07-29

Caldarola, Glenn A.

Catalyst, solid sorbent, or support therefor: product or process

Solid sorbent

Organic

502439, 604369, 604372, 604374, 521 62, 521 63, 521 64, B01J 2026, C08J 926, A61F 1315

Patent

active

056521944

ABSTRACT:
Relatively thin, collapsed, i.e. unexpanded, polymeric foam materials that, upon contact with aqueous body fluids, expand and absorb such fluids, are disclosed. A process for consistently obtaining such relatively thin, collapsed polymeric foam materials by polymerizing a specific type of water-in-oil emulsion, commonly known as High Internal Phase Emulsions or "HIPE", is also disclosed.

REFERENCES:
patent: 5189070 (1993-02-01), Brownscombe et al.
patent: 5200433 (1993-04-01), Beshouri
patent: 5334621 (1994-08-01), Beshouri

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