Synthesis of highly photostable blue-emitting 1,8-naphthalimides and their acrylonitrile copolymers

被引：25

作者：

Bojinov, Vladimir B. ^{[1
]}

Simeonov, Danail B. ^{[2
]}

机构：

[1] Univ Chem Technol & Met, Dept Organ Synth, BU-1756 Sofia, Bulgaria

[2] Bulgarian Acad Sci, Inst Inorgan Chem, BU-1113 Sofia, Bulgaria

来源：

POLYMER DEGRADATION AND STABILITY | 2010年 / 95卷 / 01期

基金：

美国国家科学基金会;

关键词：

Polymerizable blue-emitting; 1,8-naphthalimides; Fluorescence Hindered amine light stabilizer (HALS); 2-(2-Hydroxyphenyl)-1,3,5-triazine; UV absorbers; Phase transfer catalysis; Polyacrylonitrile (PAN); PHOTOINDUCED ELECTRON-TRANSFER; TRIAZINE UV ABSORBER; HINDERED AMINE; PHOTOPHYSICAL INVESTIGATIONS; 1,3,5-TRIAZINE DERIVATIVES; SPECTRAL CHARACTERISTICS; LUMINESCENT PROPERTIES; FLUORESCENCE PROBES; POLYMER; STABILIZERS;

D O I：

10.1016/j.polymdegradstab.2009.10.012

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Two novel highly photostable blue-emitting 1,8-naphthalimides, containing active fragments of a hindered amine radical scavenger and an s-triazine UV absorber were designed as multifunctional additives capable of simultaneous fluorescent brightening and photostabilization of polymers. Their light absorption and fluorescence properties have been determined and discussed. The ability of the combined fluorescent brighteners to copolymerize with acrylonitrile was demonstrated by obtaining acrylonitrile copolymers with an intense blue fluorescence. Photodegradation of the new fluorophores and their influence on the photostability of the fluorescent copolymers have been studied and compared to other similar 1,8-naphthalimides, not containing either UV absorber or hindered amine fragment in their molecules as well as not containing both of them. Novel fluorophores showed the best photostability in both solution and polymer. A significant photostabilizing effect towards photodegradation of polyacrylonitrile was found. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：43 / 52

页数：10

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