Tape laminates for diaper closure
AssigneeMinnesota Mining and Manufacturing Company
InventorPeter M. Lloyd
Life of this patent
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Abstract
A composite pre-laminated tape is provided having at least one tape backing (13) of a porous paper coated on one face with a release coating (15) of a solventless, radiation-cured silicone applied directly to the paper.
Claims9
A laminate tape construction comprising two or more porous paper backed tapes each of said porous paper backed tapes having a layer of pressure-sensitive adhesive in which at least one of said tapes comprises a porous paper backing without any barrier layer, said at least one tape having two opposite faces, a first face having a first pressure-sensitive adhesive layer adhered directly thereto and a first continuous release coating of a solventless, radiation-cured silicone applied directly to the porous paper backing second face, the penetration of the silicone into the porous paper backing being such that silicone is not on the porous paper backing first face, which paper backing has a basis weight of from 50 to 150 g/m.sup.2.
Dependencies are inferred from the claim text.