Adhesive articles with improved air egress and methods of making the same
First Claim
1. A method of making an adhesive article comprising the steps of:
- providing a release liner comprising a moldable layer, a release surface and a back surface;
applying a pattern of a non-adhesive material to the release surface of the release liner;
embedding the non-adhesive material into the release liner; and
transferring an adhesive layer having a front and back surface and end edges onto the release liner, wherein the front surface of the adhesive layer is adhered to the release surface of the release liner.
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Abstract
This invention relates to an adhesive article which provides air egress. Air egress is provided by supplying a route, such as areas of no initial adhesion for the air to flow out from under the construction. The invention relates to an adhesive article comprising a facestock having a front surface and a back surface, a continuous layer of adhesive having an upper surface and a lower surface wherein the upper surface of the adhesive layer is adhered to the back surface of the facestock, and a plurality of spaced-apart non-adhesive material which is in contact with the lower surface of the adhesive layer wherein the lower surface of the adhesive layer has a Sheffield roughness of at least about 10 and the adhesive article provides air egress. The invention also relates to methods of preparing the adhesive articles. These articles have usefulness as industrial graphics images, as well as decorative coverings, etc. The articles provide air egress and optionally repositionability and slideability.
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Citations
30 Claims
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1. A method of making an adhesive article comprising the steps of:
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providing a release liner comprising a moldable layer, a release surface and a back surface;
applying a pattern of a non-adhesive material to the release surface of the release liner;
embedding the non-adhesive material into the release liner; and
transferring an adhesive layer having a front and back surface and end edges onto the release liner, wherein the front surface of the adhesive layer is adhered to the release surface of the release liner. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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Specification