VINYL MONOMERS BEARING CHROMOPHORE MOIETIES AND THEIR POLYMERS SYNTHESIS AND FLUORESCENCE BEHAVIOUR OF ACRYLIC MONOMER HAVING PHENOXAZINYL MOIETY AND ITS POLYMER

YU Shuyan; YAO Guangqing; LI Fumian

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VINYL MONOMERS BEARING CHROMOPHORE MOIETIES AND THEIR POLYMERS SYNTHESIS AND FLUORESCENCE BEHAVIOUR OF ACRYLIC MONOMER HAVING PHENOXAZINYL MOIETY AND ITS POLYMER

Research Bulletin | 更新时间：2021-03-19

- VINYL MONOMERS BEARING CHROMOPHORE MOIETIES AND THEIR POLYMERS SYNTHESIS AND FLUORESCENCE BEHAVIOUR OF ACRYLIC MONOMER HAVING PHENOXAZINYL MOIETY AND ITS POLYMER
- Acta Polymerica Sinica Issue 6, Pages: 726-731(1996)
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- Published：20 December 1996，
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YU Shuyan, YAO Guangqing, LI Fumian. VINYL MONOMERS BEARING CHROMOPHORE MOIETIES AND THEIR POLYMERS SYNTHESIS AND FLUORESCENCE BEHAVIOUR OF ACRYLIC MONOMER HAVING PHENOXAZINYL MOIETY AND ITS POLYMER. [J]. Acta Polymerica Sinica (6):726-731(1996)
DOI：

YU Shuyan, YAO Guangqing, LI Fumian. VINYL MONOMERS BEARING CHROMOPHORE MOIETIES AND THEIR POLYMERS SYNTHESIS AND FLUORESCENCE BEHAVIOUR OF ACRYLIC MONOMER HAVING PHENOXAZINYL MOIETY AND ITS POLYMER. [J]. Acta Polymerica Sinica (6):726-731(1996) DOI：

摘要

我们曾报道过含芳杂环的丙烯酰类功能性单体及其聚合物的荧光行为

我们以往的工作多集中在以Ｎ原子做贡献的给电子生色基团和丙烯酰双键共存的单体及其聚合物的光化学性质[1-4]

即8-丙烯酰氧喹啉（AQ）

N-丙烯酰-N′-苯基哌嗪（APP）和N-甲基丙烯酰-N′嘧啶基哌嗪（MPMP）等

其后

我们合成了含S原子生色基的丙烯酰类单体及其聚合物

即N-丙烯酰-2-氯吩噻嗪（ACPT）和N-丙烯酰-2-乙酰基吩噻（AAPT）[5]

以观察S原子在这类单体中的给电子作用。这些单体中同时含有给电子的生色基团和缺电子的双键

因而表现出明显的荧光“结构自猝灭”现象

并且基聚合物的荧光能被其它缺电子烯类单体

如四氰乙烯（TCNE）

丙烯酸甲酯（MA）等所猝灭

为了进一步研究这类功能性化合物的光化学性质

我们合成了N-丙烯酰基吩（口恶）嗪（APO）

将吩噻嗪中的S原子以O原子代替

以观察APO及其聚合物P（APO）的光化学行为

并就其荧光光谱加以讨论。

Abstract

A novel acrylic monomer having phenoxazingl moiety

N acrylyl phenoxazine(APO)was synthesized and its polymer P(APO)was obtained by free radical polymerization.The UV Vis spectrum of P(APO) was different from that of APO due to the disappearing of the double bond.It was aslo observed that the fluorescence intensyty of the monomer was much lower than that of its polymer.This was termed as "structral self quenching effect" as we have reported previously.The fluorescence of the polymer could be quenched by electron-deficient quenchers and the Stern-Volmer constants of these quenchers were obtained.Furthermore

the two fluorescence livetimes of P(APO)indicated tha complicated state of the chromophores on the polymer chains.

关键词

Ｎ－丙烯酰基吩■嗪紫外－可见光谱荧光光谱“结构自猝灭”效应Ｓｔｅｒｎ－Ｖｏｌｍｅｒ常数荧光寿命

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