| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a double-sided self-adhesive sheet excellent in stress relaxation, and to provide a double-sided self-adhesive sheet excellent in resistance to blistering and exfoliation. <P>SOLUTION: The double-sided self-adhesive sheet includes at least one self-adhesive layer having a gel fraction of 10-70%, a storage elastic modulus of≤1×10<SP>5</SP>Pa measured at 23°C according to dynamic viscoelastic measurement, and residual stress of≤3.5 N/cm<SP>2</SP>according to tensile stress relaxation measurement after 180 seconds under conditions of a temperature of 23°C and a strain of 300%. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
