Dual photo/thermal initiation with charge transfer complexes based on bromide-based electron acceptors

Qiang Ma; Xiaoxiang Zhang; Yiwu LiuBernadette GraffJacques Lalevee

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Dual photo/thermal initiation with charge transfer complexes based on bromide-based electron acceptors

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摘要

Different combinations of donors and acceptors of charge transfer complexes (CTCs) can realize visible light catalysis in multiple wavelength bands. Here, we successfully demonstrated that 2-bromoacetophenone as an electron acceptor, combined with amines (for formation of CTC), can achieve photopolymerization under LED@405 nm visible light irradiation, initiating the polymerization of (meth)acrylates, and the induction time can be completely eliminated by condition optimization. The CTC was also shown to have dual photo/thermal initiation capability and was eventually applied to 3D printing as well.

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《Journal of Polymer Science》 |2023年第9期|741-747|共7页
作者
Qiang Ma; Xiaoxiang Zhang; Yiwu LiuBernadette GraffJacques Lalevee;
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作者单位

Université de Haute-Alsace, CNRS, IS2M UMR 7361, Mulhouse, France;

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正文语种英语
中图分类有机化学;高分子化学（高聚物）;
关键词
donor/acceptor complex; dual curing; photoinitiators; photopolymers;

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Dual photo/thermal initiation with charge transfer complexes based on bromide-based electron acceptors

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