Pressure-sensitive adhesives and bioelectrodes constructed...

Details Pressure-sensitive adhesives and bioelectrodes constructed... Pressure-sensitive adhesives and bioelectrodes constructed...

C - Chemistry, Metallurgy

09

J

167/159, 117/31,

C09J 139/06 (2006.01) A61B 5/04 (2006.01) A61B 5/0408 (2006.01) A61K 9/70 (2006.01) A61L 15/20 (2006.01) A61L 15/58 (2006.01) A61L 15/60 (2006.01) A61M 37/00 (2006.01) C08F 226/06 (2006.01) C09J 7/02 (2006.01)

Patent

CA 1333114

Hydrophilic, cohesive, pressure-sensitive adhesive compositions are provided comprising a) a crosslinked, swellable polymeric matrix made from an N-vinyl lactam monomer and a multi-ethylenically unsaturated compound, wherein the ethylenic groups are vinyl groups, allyl groups, and/or methallyl groups, which groups are bonded to nitrogen or oxygen atoms, and b) a plasticizer for the copolymer wherein the amount of the multi-ethylenically unsaturated compound and the plasticizer are present in amounts sufficient to render the polymeric matrix cohesive, swellable and pressure-sensitive adhesive. These compositions can also be used as adhesives for biomedical electrodes and transdermal drug delivery systems.

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