| 摘要 |
<p>Encapsulated retroreflective element (10) comprising a retroreflective assembly (12) made up of a transparent optical body (14) and a reflective member (16) and essentially completely encapsulated within a dense, substantially transparent oxide coating (18). Also a method for making such retroreflective elements (10) and articles and compositions comprising such retroreflective elements (10).</p> |
