| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a pressure-sensitive adhesive composition, a pressure-sensitive adhesive and a pressure-sensitive adhesive sheet, excellent in durability, ensuring light leakage resistance, having a low haze value and suitable for optical members. <P>SOLUTION: There is provided a pressure-sensitive adhesive composition comprising one or more kinds of (meth)acrylic ester polymer (A) having 500,000-2,500,000 weight-average molecular weight, a crosslinking agent (B), and a polyrotaxane compound (C) having a cyclic oligosaccharide, wherein the monomer unit composing the polymer (A) includes a carboxy group and a reactive group (a) reactable with a reactive group (b) of the crosslinking agent (B) and having a reactivity higher than the carboxy group, the content of the monomer having the carboxy group is 0.05-2 mass%, the ratio [B]/[A] value of the concentration [B] of the reactive group (b) in the crosslinking agent (B) to the concentration [A] of the reactive group (a) in the polymer (A) is 0.01-1.0, and the content of the polyrotaxane compound (C) is 0.05-5.0 mass%. <P>COPYRIGHT: (C)2013,JPO&INPIT |
