| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a double-sided adhesive sheet excellent both in swelling-preventive properties and irregularity-following ability. <P>SOLUTION: This double-sided adhesive sheet 10 is equipped with a first adhesive layer 11 and a second adhesive layer 12 disposed on one surface 11a side of the first adhesive layer 11, wherein the first adhesive layer 11 is composed mainly of an acrylic two-component cross-linkable adhesive (I); the mass-average molecular weight of the acrylic two-component cross-linkable adhesive (I) is 350,000-800,000; the second adhesive layer 12 is composed mainly of an acrylic two-component cross-linkable adhesive (II); and the mass-average molecular weight of the acrylic two-component cross-linkable adhesive (II) is 900,000-2,000,000. <P>COPYRIGHT: (C)2012,JPO&INPIT |
