用聚氧化丙烯二醇、2,4-甲苯二异氰酸酯、二羟甲基丙酸、三乙胺和分散荧光黄(DFY)合成了一种新型的水性聚氨酯-分散荧光黄(PU-DFY)高分子荧光染料.红外和紫外-可见吸收光谱显示,DFY已被化学键入聚氨酯链中.荧光光谱表明,PU-DFY和DFY都可在507nm处发出较强荧光,且很低浓度PU-DFY发出的荧光都较高浓度DFY的强.研究还发现,加入二苯胺猝灭剂的PU-DFY,荧光强度随温度的升高而增强,与一般荧光物质荧光强度的温度特性相反.
参考文献
| [1] | Ivo G;Vladimir B .Synthesis and characterization of fluorescent polyacrylonitrile copolymers with 1,8-naphthalimide side chains[J].Polymer Degradation and Stability,2000,70:147. |
| [2] | 洪瀚,刘向前,杜福胜,周鹏,李福绵.含C60聚乙基乙烯基醚的合成及其荧光行为[J].高分子学报,1999(01):123. |
| [3] | Li C.;Pan XG.;Hua CF.;Su JH.;Tian H. .Synthesis of novel copoly(styrene-maleic anhydride) materials and their luminescent properties[J].European Polymer Journal,2003(6):1091-1097. |
| [4] | Bin Liu;Wei Huang .Novel deep blue fluorescent fluorinebased copolymer containing hole-transporting aryla- mine segments[J].Thin Solid Films,2002,417:206. |
| [5] | Lee H S;Wang Y K;Macknight W J et al.Spectroscopic analysis of phase-separation kinetics in model polyurethanes[J].MACROMOLECULES,1988,21:270. |
| [6] | Yoon S C;Sung Y K;Ratner B D .Surface and bulk structure of segmented poly (ether urethanes) with perfluoro chain extengers 4 Role of hydrogen bonding on thermal transitions[J].MACROMOLECULES,1990,23:4351. |
| [7] | 辛忠,冯岩,黄德音.高分子染料的进展[J].功能高分子学报,1994(03):344-356. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%