A highly efficient waterborne photoinitiator for visible-light-induced three-dimensional printing of hydrogels

Jieping Wang; Sascha Stanic; Altan Alpay Altun; Martin Schwentenwein; Kurt Dietliker; Lu Jin; Jürgen Stampfl; Stefan Baudis; Robert Liska; Hansjörg Grützmacher

doi:10.1039/C7CC09313F

A highly efficient waterborne photoinitiator for visible-light-induced three-dimensional printing of hydrogels†

Jieping Wang,

^a Sascha Stanic,^b Altan Alpay Altun,^c Martin Schwentenwein,^c Kurt Dietliker,^a Lu Jin,^a Jürgen Stampfl,^d Stefan Baudis,

*^b Robert Liska

^b and Hansjörg Grützmacher

*^ae

Author affiliations

* Corresponding authors

^a Department of Chemistry and Applied Biosciences, ETH Zürich, 8093 Zürich, Switzerland

^b Institute of Applied Synthetic Chemistry, Technische Universität Wien, 1060 Vienna, Austria

^c Lithoz GmbH, 1060 Vienna, Austria

^d Institute of Materials Science and Technology, Technische Universität Wien, 1060 Vienna, Austria

^e Lehn Institute of Functional Materials (LIFM), Sun Yat-Sen University, 510275 Guangzhou, China

Abstract

A bis(acyl)phosphane oxide (BAPO) photoinitiator was conveniently synthesized in an efficient one-pot process. It shows excellent dispersibility in water, good storage stability, and high photo-reactivity in 3D printing of hydrogels under visible-light irradiation (460 nm).

Chemical Communications

A highly efficient waterborne photoinitiator for visible-light-induced three-dimensional printing of hydrogels†

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A highly efficient waterborne photoinitiator for visible-light-induced three-dimensional printing of hydrogels

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