| 摘要 |
<p>PURPOSE: A sheet for absorbing impact and sealing having adhesive ability is provided to secure a pad for impact with thickness enough than the thickness of the case of applying a double coated adhesive tape to both sides and to efficiently protect an electronic device from external shock. CONSTITUTION: A sheet for absorbing impact and sealing comprises: a release paper(2); a coating layer(3) on the release paper; and a polyurethanes layer(4). The coating layer on the release paper comprises: 95 to 99.9 weight% of one or more resin binder selected from a group of urethane resin, urethane acrylate resin, acrylic resin and acryl silicon resin; 0.1 to 5 weight% of one or more powder additive selected from a group of barium sulfate, calcium carbonate, magnesium carbonate, magnesium hydroxide talcum and silica. The thickness of the coating layer on the release paper is 0.5 - 2μm.</p> |
