Patent ID: 8133563
Filing Date: 2012-03-13
Classification: C08K,C09J,Y10T

Abstract:
1. A double-sided pressure-sensitive adhesive tape or sheet having a first pressure-sensitive adhesive surface and a second pressure-sensitive adhesive surface, the double-sided pressure-sensitive adhesive tape or sheet comprising: at least a bubble-containing pressure-sensitive adhesive layer; and a releasable liner, said releasable liner comprising a substrate, a heavier releasing-side releasably treated layer formed by an ionizing radiation-curable silicone releasing agent on one side of the substrate, and a lighter releasing-side releasably treated layer on the other side of the substrate, wherein the heavier releasing-side releasably treated layer is employed onto the first pressure-sensitive adhesive surface and the lighter releasing-side releasably treated layer is employed onto the second pressure-sensitive adhesive surface, wherein the lighter releasing-side releasably treated layer is formed by a thermally curable silicone releasing agent, and wherein the tape or sheet is in a roll form.