| 摘要 |
<p>The invention relates to a pressure-sensitive adhesive. It is envisaged that the pressure-sensitive adhesive comprises a first layer and a second layer, the first layer being a heat-activatable pressure-sensitive adhesive which has a static glass transition temperature Tg,a or a melting point Tm,a of at least +30° C.; and the second layer being a polyacrylate pressure-sensitive adhesive which has a static glass transition temperature of not more than +15° C.</p> |
