| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a double-sided self-adhesive tape excellent in pasting suitability to a stepped part, adhesivity and water resistance, suitable for fixing members in a mobile product such as a cellular phone and a touch panel, and usable for waterproofing, etc., in handheld terminals with narrow frames. <P>SOLUTION: This double-sided self-adhesive tape comprises a laminate including a core material and self-adhesive layers provided on both surfaces thereof, where (a) the core material has 5% tensile stress of 3-100 N and bending stiffness (Gurley method) of 0.2 mN or less; (b) the two self-adhesive layers are obtained each by thermally crosslinking a self-adhesive composition comprising a (meth)acrylic ester copolymer and a tackifier of 1-60 pts.mass to 100 pts.mass of the copolymer and a crosslinking agent. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
