| 摘要 |
<p>Provided is a double sided adhesive tape, which has excellent adhesion and high-temperature durability, and is useful for fixing members in portable terminals, for bonding a substrate in a photodisk and for fixing a polarizer. The double sided adhesive tape comprises a core material, and adhesive layer formed on both surfaces of the core material, wherein the adhesive layer is based on an acrylate copolymer having a weight average molecular weight of 700,000 or more and a butyl acrylate unit content of at least 90 wt%, and 40-60 wt% of a tackifying agent. The combined thickness of the core material and the adhesive is 30 micrometers or less, and each adhesive layer has a thickness of 2-10 micrometers.</p> |
