Softening non-swelling polyurethane

Details Softening non-swelling polyurethane Softening non-swelling polyurethane

C - Chemistry, Metallurgy

08

G

C08G 18/32 (2006.01) A61L 29/00 (2006.01) A61L 29/06 (2006.01) C08G 18/65 (2006.01) C08G 18/66 (2006.01) C08G 18/73 (2006.01) C08G 18/75 (2006.01) C08L 75/04 (2006.01)

Patent

CA 2107824

A non-yellowing, elastomeric polyurethane is made from a non-aromatic diisocyanate, a diol chain extender, a polyglycol and an aminodiol chain extender. The polyurethane is stable to sterilizing radiation, is made without any processing aids or toxic catalysts, and softens without swelling up to 95% when contacted with an aqueous liquid.

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