An anthraquinone-based oxime ester as a visible-light photoinitiator for 3D photoprinting applications

被引：17
作者：
Elian, Christine [1 ]
Sanosa, Nil [2 ]
Bogliotti, Nicolas [3 ]
Herrero, Christian [4 ]
Sampedro, Diego [2 ]
Versace, Davy-Louis [1 ]
机构：
[1] Univ Paris Est Creteil UPEC, Inst Chim & Mat Paris Est ICMPE, UMR CNRS 7182, 2-8 Rue Henri Dunant, F-94320 Thiais, France
[2] Univ La Rioja, Ctr Invest Sintesis Quim CISQ, Dept Chem, C Madre de Dios 53, Logrono 26006, Spain
[3] Univ Paris Saclay, CNRS, Photophys & Photochim Supramol & Macromol, F-91190 Gif Sur Yvette, France
[4] Univ Paris Saclay, ICMMO, Rue Doyen Georges Poitou, F-91405 Orsay, France
来源：
POLYMER CHEMISTRY | 2023年 / 14卷 / 28期
关键词：
D O I：
10.1039/d3py00681f
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A novel anthraquinone-based oxime ester system (AQ-Ox) was successfully synthesized and used as a Type I visible-light photoinitiating system. The introduction of an anthraquinone moiety to the oxime ester group makes this system suitable for promoting photopolymerization under visible-light irradiation (LEDs@385, 405 and 455 nm) and allowed us to obtain high final acrylate conversions under laminate and air conditions in the free-radical polymerization (FRP) of an acrylate bio-based monomer. AQ-Ox also demonstrated better photoinitiating properties than commonly used Type I photoinitiators i.e. 2,2-dimethoxy-2-phenylacetophenone (DMPA) and phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide (BAPO), and allowed the design of 3D objects by 3D photoprinting technology. This is the first example of an anthraquinone based oxime-ester used as a Type I photoinitiator for FRP at & lambda; > 405 nm and under air.
引用
收藏
页码：3262 / 3269
页数：8
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