![4-[(2,4-Dihydroxyphenyl)diazenyl]-5-hydroxy-2,7-naphthalenedisulfonic acid structure](https://cnstatic.chemtradehub.com/structs/362/3627-01-8-79ac.webp "4-[(2,4-Dihydroxyphenyl)diazenyl]-5-hydroxy-2,7-naphthalenedisulfonic acid structure")
4-[(2,4-Dihydroxyphenyl)diazenyl]-5-hydroxy-2,7-naphthalenedisulfonic acid
CAS号:
3627-01-8
分子式:
C16H12N2O9S2
Push–pull (thio)barbituric acid derivatives in dye photosensitized radical and cationic polymerization reactions under 457/473 nm laser beams or blue LEDs
文献信息
发布日期
2013-05-07
DOI
10.1039/C3PY00372H
影响因子
5.582
作者
Mohamad-Ali Tehfe, Frédéric Dumur, Bernadette Graff, Fabrice Morlet-Savary, Didier Gigmes, Jean-Pierre Fouassier, Jacques Lalevée
查看原文
摘要
A series of new dyes based on (thio)barbituric acid derivatives were synthesized and used as photoinitiators of polymerization upon very soft irradiation (laser diodes at 457 nm and 473 nm; blue LED bulbs or even a halogen lamp). These dyes can work according to an oxidative cycle (dye/diphenyl iodonium salt/N-vinylcarbazole system) or a reductive cycle (dye/amine/alkyl halide system) and partly behave as organic photocatalysts. Ring-opening polymerization (ROP) of epoxides and radical polymerization (RP) of acrylates are easily promoted. Excellent RP and/or ROP polymerization profiles are obtained. The contrasting behavior of the thiobarbituric vs. barbituric acid derivative is discussed. The initiation mechanisms, analyzed by Electron Spin Resonance (ESR) and steady state photolysis experiments, are detailed.
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来源期刊
Polymer Chemistry
CiteScore:
8.6
自引率:
7.3%
年发文量:
457
Polymer Chemistry welcomes submissions in all areas of polymer science that have a strong focus on macromolecular chemistry. Manuscripts may cover a broad range of fields, yet no direct application focus is required.
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