Hydrophilic polyurethane diacrylate composition

Details Hydrophilic polyurethane diacrylate composition Hydrophilic polyurethane diacrylate composition

C - Chemistry, Metallurgy

08

L

128/132, 167/166

C08L 75/04 (2006.01) A61K 9/20 (2006.01) A61L 15/24 (2006.01) A61L 15/60 (2006.01) A61L 17/04 (2006.01) A61L 27/16 (2006.01) B01D 71/54 (2006.01) B01D 71/78 (2006.01) C08F 283/00 (2006.01) C08F 299/06 (2006.01) C08G 18/66 (2006.01) C08L 63/10 (2006.01) G02B 1/04 (2006.01) H01M 2/16 (2006.01) A61F 2/00 (2006.01)

Patent

CA 1175596

Abstract of the Invention: Polyurethane diacrylate compositions are obtained by reacting a diacrylate in the presence of from about 30 to about 95 weight percent of a hydrophilic polyurethane resin. The resulting products will form a hydrogel upon immersion in water and are permeable to gases, ions and other low molecular weight species. The hydrophilic polyurethane diacrylate com- positions may be molded to form shaped products that are dimensionally stable after repeated exposure to boiling water and exhibit memory.

387521

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