Generation of a carbon dots/ammonium persulfate redox initiator couple for free radical frontal polymerization

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发布日期 2017-12-21

DOI 10.1039/C7PY01969F

影响因子 5.582

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摘要

We report a new redox initiator couple of ammonium persulfate (APS)/carbon dots (CDs) with high initiation efficiency used in frontal polymerization (FP). The CDs also served as fluorescent reagents, and had good dispersion and a relatively high absolute quantum yield (>60%). The initiation efficiency and possible mechanism of CDs/peroxydisulfate (S2O82−) initiators were investigated. The electron transfer between the CDs and S2O82− made decomposition of the latter into free radicals easier. Besides, electron transfer occurred between the CDs and vinyl monomers, prompting the CDs to be applied to initiate monomers alone. Therefore, the combined effects of the CDs and APS made vinyl monomers more prone to be triggered in FP, thereby lowering the reaction temperature considerably. This research might provide a promising avenue to discover other polymerization initiators with high efficiency for the synthesis of versatile materials.

期刊推荐

Journal of the Royal Society of New Zealand

Chemical Papers

Ceramics International

Organometallics

Heterocycles

Fire and Materials

Cellular Polymers

Chemical Society Reviews

Corrosion Reviews

Bulletin of the Korean Chemical Society

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.

Generation of a carbon dots/ammonium persulfate redox initiator couple for free radical frontal polymerization

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Polymer Chemistry

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