Facilely prepared blue-green light sensitive curcuminoids with excellent bleaching properties as high performance photosensitizers in cationic and free radical photopolymerization

文献信息

发布日期 2018-03-07

DOI 10.1039/C8PY00166A

影响因子 5.582

作者

Hongyuan Fu, Tanlong Xue, Tongzheng Liu, Yong Wang

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摘要

Curcumin is attractive in photopolymerization especially in cationic photopolymerization, because of its broad absorption and nontoxic properties. Curcuminoid (CMD) is a linear diarylheptanoid and can be considered as a derivative of curcumin. Based on the framework of curcumin, four CMDs containing carbazole/triphenylamine/dimethylaniline/phenothiazine as electron donors and β-diketone as electron acceptors are prepared using a facile synthesis method. The absorption maxima of the prepared CMDs all showed significant red-shifts compared with that of curcumin. The CMDs can act as high performance photosensitizers of iodonium salt (ONI) to start the ring-opening cationic photopolymerization of epoxides and the free radical photopolymerization of acrylates upon blue-green light exposure using light-emitting diodes. Excellent polymerization initiating efficiencies are found, and high final function conversions are obtained. The initiating abilities of the CMDs/ONI can be enhanced in the presence of N-vinyl carbazole or triphenylphosphine. More remarkably, the CMDs/ONI exhibit excellent photobleaching properties, and can be used in deep free radical photopolymerization.

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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.

Facilely prepared blue-green light sensitive curcuminoids with excellent bleaching properties as high performance photosensitizers in cationic and free radical photopolymerization

文献信息

期刊推荐

相关文献

A study of how solid–liquid interactions affect flow resistance and heat transfer at different temperatures based on molecular dynamics simulations

Decoration of defective graphene with MoS2 enabling enhanced anchoring and catalytic conversion of polysulfides for lithium–sulfur batteries: a first-principles study

Optimization of potential non-covalent inhibitors for the SARS-CoV-2 main protease inspected by a descriptor of the subpocket occupancy

An efficient method to predict protein thermostability in alanine mutation

Origin of humidity influencing the excited state electronic properties of silicon quantum dot based light-emitting diodes

DFT exchange: sharing perspectives on the workhorse of quantum chemistry and materials science

Wavelength dependence of the multiphoton ionization of CH3I by intense femtosecond laser pulses through Freeman resonances

Discovering atomistic pathways for supply of metal atoms from methyl-based precursors to graphene surface

Data-driven generation of mixed X-anion perovskite properties

Large 31P-NMR enhancements in liquid state dynamic nuclear polarization through radical/target molecule non-covalent interaction

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来源期刊

Polymer Chemistry

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