Polymeric composition

Details Polymeric composition Polymeric composition

A - Human Necessities

61

L

400/1, 128/60

A61L 15/00 (2006.01) A61L 24/06 (2006.01)

Patent

CA 1128681

ABSTRACT A polymeric composition is disclosed which has sealant and preferably also adhesive properties and which is suitable for use as a protective dressing for application to the skin. The composition comprises a chemically cross- linked hydrophilic polymer and a support matrix such as a high molecular weight hydrophobic polymer. The hydrophilic polymer is a water- swellable polymer which absorbs or adsorbs water but which is water-insoluble. The composition preferably includes a tackifyer which may be provided by a low molecular weight fraction of a hydrophobic matrix or by a distinct adhesive component such as a gum or a low molecular weight polymer. The composition is particularly suitable for use as a sealing ring in conjunction with a post-surgical drainage appliance wherein the hydrophilic polymer is incorporated in a form such as to provide a transmission system for liquid.

345330

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