Adhesive article with release layer including polymerized (meth)acrylated silicone
Assignee3M Innovative Properties Company
InventorsRichard S. Buckanin, Karan Jindal, William Blake Kolb
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Abstract
An adhesive article including a pressure sensitive adhesive layer and a release layer in contact with the pressure sensitive adhesive layer. The release layer includes a polymer matrix that includes polymerized (meth)acrylated silicone and a plurality of nanovoids.
Claims20
An adhesive article comprising a pressure sensitive adhesive layer and a release layer disposed on a substrate, wherein the release layer is in contact with the pressure sensitive adhesive layer, and wherein the release layer comprises a polymer matrix comprising polymerized polyether-free (meth)acrylated silicone and a plurality of nanovoids;
- wherein a volume fraction of the plurality of nanovoids in the release layer is no more than 0.5.
An adhesive article comprising a pressure sensitive adhesive layer and a release layer disposed on a substrate, wherein the release layer is in contact with the pressure sensitive adhesive layer, and wherein the release layer is formed by a process comprising:
- providing a first solution comprising a polymerizable material in a solvent, wherein the polymerizable material comprises a (meth)acrylated silicone;
- at least partially polymerizing the polymerizable material to form a composition comprising an insoluble polymer matrix and a second solution, wherein the insoluble polymer matrix comprises a plurality of nanovoids that are filled with the second solution;
- and
- removing a major portion of the solvent from the second solution;
- wherein the release layer demonstrates a change in haze of at least 2× relative to the same composition polymerized in the absence of the solvent.
Dependencies are inferred from the claim text.