A new photochromic spiroxazine dye having a pyridinium s-triazine moiety has been prepared. It shows a reversible photochemical color change from colorless to reddish-purple in ethanol solution. In ethanol solution the half life time of the open form was 150sec, which was shortened by raising temperature. Silica-immobilized spiroxazine(6). Fine power of silica-immobilized spiroxazine was changed intensely blue from colorless by U.V. light or sunlight.
목차
Abstract 1. 서론 2. 실험 2.1. 기기 및 시약 2.2. 중간체 SQ색소 및 첨가제의 합성 2.3. 내광성 실험용 cellulose acetate 필름의 제조 2.4. 비대칭 SQ색소(7a)의 내광성 실험 3. 결과 및 고찰 3.1. 비대칭 SQ색소(7)의 합성 및 특성 3.2. 비대칭 SQ색소(7a)의 내광성 4. 결론 참고문헌