Aggregation and photofading behaviour of unsymmetrical squarylium dyes containing a quinolylidene moiety

被引：0
|
作者：
Kim, SH [1 ]
Hwang, SH
Kim, NK
Kim, JW
Yoon, CM
Keum, SR
机构：
[1] Kyungpook Natl Univ, Dept Dyeing & Finishing, Coll Engn, Taegu 702701, South Korea
[2] Korea Univ, Dept Chem, Coll Sci & Technol, Jochiwon 339700, Choong Nam, South Korea
来源：
JOURNAL OF THE SOCIETY OF DYERS AND COLOURISTS | 2000年 / 116卷 / 04期
关键词：
D O I：
暂无
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Representatives of a new class of unsymmetrical squarylium dyes containing a quinolylidene moiety have been synthesised and characterised. These dyes absorbed at a longer wavelength (11-50 nm) than the corresponding symmetrical squarylium dyes. The influence of the quinolylidene moiety on the absorption of these dyes was studied and compared with that calculated by the PPP-MO method. The photostability properties of the dyes were investigated in chloroform with a high-pressure mercury lamp. The aggregation of the unsymmetrical squarylium dyes were also studied in different DMSO/water solutions, including solutions with gamma-cyclodextrin.
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页码：126 / 131
页数：6
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