Polyurethane polyene compositions

Details Polyurethane polyene compositions Polyurethane polyene compositions

C - Chemistry, Metallurgy

08

G

3/128, 167/153,

C08G 18/82 (2006.01) A61L 15/22 (2006.01) A61L 15/44 (2006.01) A61L 17/04 (2006.01) C08F 283/00 (2006.01) C08F 299/06 (2006.01) C08L 75/04 (2006.01) H01M 2/16 (2006.01) A61F 2/00 (2006.01)

Patent

CA 1237222

Abstract of the Invention: POLYURETHANE POLYENE COMPOSITIONS Polyurethane polyene compositions are obtained by react- ing from about 10 to about 50 parts by weight of a polyene in the presence of about 100 parts by weight of a hydrophilic polyurethane resin. The resulting products will swell and increase in weight upon immersion in water and are permeable to gases, moisture vapor ions, and other low molecular weight species The hydrophilic polyurethane diacrylate compositions may be molded to form shaped products that are demensionally stable after repeated exposure to boiling water and exhibit memory .

438655

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