| 摘要 |
<p>An ultraviolet absorber comprising, as an effective component, a benzotriazole compound represented by the following general formula (I) <CHEM> wherein R represents hydrogen, methyl, ethyl or phenyl. The ultraviolet absorber undergoes minimal sublimation, has excellent thermal resistance, provides satisfactory light fastness for materials made of polyester-based synthetic fibers, particularly cation-dyeable polyester-based fibers, and is also inexpensive, generates few by-products and is easy to produce industrially.</p> |
