Synthesis and characterization of polyesters containing fluorescein dye units

被引：26
作者：
Uthirakumar, P
Suh, EK
Hong, CH
Lee, YS [1 ]
机构：
[1] Chonbuk Natl Univ, Nanomat Res Ctr, Div Environm & Chem Engn, Chonju 561756, South Korea
[2] Chonbuk Natl Univ, Dept Semicond Sci & Technol, Chonju 561756, South Korea
来源：
POLYMER | 2005年 / 46卷 / 13期
关键词：
fluorescein; polyester; photoluminescence;
D O I：
10.1016/j.polymer.2005.03.063
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Low molecular weight polyesters containing fluorescein units in their backbones were successfully synthesized. These fluorescent polymers showed a high solubility in most of the common organic solvents. The onset degradation temperatures of the polymers were greater than that of fluorescein. The glass transition temperatures were in the range 126-194 degrees C. The bathochromic fluorescence emissions in organic solutions at high concentrations, which resulted from the aggregation of fluorescein moieties, were prohibited by protecting the OH end groups with benzoyl groups. The polymer powders exhibited a maximum photoluminescence intensity at about 580 nm. (c) 2005 Elsevier Ltd. All rights reserved.
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收藏
页码：4640 / 4646
页数：7
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