| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an improved photochromic material. <P>SOLUTION: A polyamide forming composition including 70-99.99 mass% rate of at least one transparent polyesteramide, 0-30 mass% rate of at least one other polymer, 0.01-2 mass% rate of at least one photochromic dye, and optionally another dye and/or an additive is described. The present invention further includes an article manufactured therefrom such as a foil for coating a photochromic ophthalmic lens. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
