| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a disk stopper which is excellent in the non-staining property of disks and is excellent in slippage preventiveness as well. SOLUTION: The disk stopper consisting of a thermoplastic elastomer disposed between a disk or media and a disk drive section. The thermoplastic elastomer consists of a hydrogenated block copolymer prepared by hydrogenating a block copolymer of a vinyl aromatic polymer block and a conjugated diene polymer block.</p> |
