Patent ID: 6103302
Filing Date: 2000-08-15
Classification: C08J,Y10T

Abstract:
A method of forming a pressure-sensitive adhesive product having improved adhesion, comprising:providing a pressure-sensitive adhesive layer on a substrate, said adhesive layer comprising a compound having at least one reactive functional group, said compound being added to said adhesive layer either before or after said adhesive layer is provided on said substrate,then during a time when said at least one reactive functional group is in a reactive state, contacting the exposed surface of said adhesive layer with a liquid or gaseous phase comprising a functional group-containing compound having at least one reactive functional group which is capable of reacting with the at least one reactive functional group of the compound in the adhesive layer,whereby an interfacial contact reaction occurs between the respective functional groups of the adhesive layer and the liquid or gaseous phase compounds, thus forming a functional group-modified phase on the surface of the adhesive layer, said functional group-modified phase having a thickness of 1,000 nm or less.