Thin-until-wet absorbent foam materials for aqueous body...

C - Chemistry – Metallurgy – 08 – J

Patent

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C08J 9/28 (2006.01) A61F 13/15 (2006.01) A61F 13/56 (2006.01) A61L 15/24 (2006.01) A61L 15/42 (2006.01) A61L 15/48 (2006.01) C08F 2/32 (2006.01)

Patent

CA 2151279

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.

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