Curable polyurethane compositions

C - Chemistry – Metallurgy – 08 – G

Patent

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402/143, 117/31,

C08G 18/67 (2006.01) A61L 15/26 (2006.01) A61L 15/58 (2006.01) A61L 24/04 (2006.01) A61L 31/06 (2006.01) C08G 18/10 (2006.01) C08G 18/28 (2006.01) C09J 175/04 (2006.01) C09J 175/16 (2006.01)

Patent

CA 1335618

A radiation curable composition for an adhesive includes a polyurethane, for example a polyurethane comprising residues of a polyether diol or a polyester diol, capped with residues of a hydroxyalkyl acrylate or methacrylate and non-polymerisable residues of a primary or secondary alcohol. The compositions may be cured to form a pressure sensitive adhesive and can be employed to produce adhesive dressings by coating a suitable substrate with the composition and thereafter curing the coated composition by, for example, electron beam or ultra violet irradiation.

575756

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