Self-Healing Behavior of Metallopolymers in Complex3D-Structures Obtained by DLP-Based 3D-Printing.

IF 3.9 2区 化学 Q2 CHEMISTRY, MULTIDISCIPLINARY
Michael Klein, Patrick Fesser, Stefan Zechel, Martin D Hager, Ulrich S Schubert
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引用次数: 0

Abstract

This current study focusses on the investigation of the self-healing abilities of metallopolymers containing different kinds of metal complexes, which were processed by direct digital light processing (DLP) based three-dimensional (3D) printing. For this purpose, 2-phenoxyethyl acrylate is mixed with ligand-containing monomers either based on triphenylmethyl(trt)-histidine or terpyridine, respectively. Either zinc(II) or nickel(II) salts are successfully applied for a complexation of the ligand monomers in solution and, subsequently, photopolymerization is performed. The thermo-mechanical properties of the obtained metallopolymers were characterized by differential scanning calorimetry (DSC), thermogravimetric analysis (TGA) as well as dynamic mechanical thermal analysis (DMTA). Multiple damages with defined forces ranging from 20 to 1500 mN were introduced into the 3D-structures and successfully healed within 24 h at 70 °C or 120 °C, respectively without losing the structural integrity of the overall 3D-structures. Herein, excellent healing efficiencies up to 97 % were determined. Consequently, these hollow structures not only feature very good self-healing abilities but also excellent retention of the 3D-structure at and above the healing temperature.

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来源期刊
Chemistry - A European Journal
Chemistry - A European Journal 化学-化学综合
CiteScore
7.90
自引率
4.70%
发文量
1808
审稿时长
1.8 months
期刊介绍: Chemistry—A European Journal is a truly international journal with top quality contributions (2018 ISI Impact Factor: 5.16). It publishes a wide range of outstanding Reviews, Minireviews, Concepts, Full Papers, and Communications from all areas of chemistry and related fields. Based in Europe Chemistry—A European Journal provides an excellent platform for increasing the visibility of European chemistry as well as for featuring the best research from authors from around the world. All manuscripts are peer-reviewed, and electronic processing ensures accurate reproduction of text and data, plus short publication times. The Concepts section provides nonspecialist readers with a useful conceptual guide to unfamiliar areas and experts with new angles on familiar problems. Chemistry—A European Journal is published on behalf of ChemPubSoc Europe, a group of 16 national chemical societies from within Europe, and supported by the Asian Chemical Editorial Societies. The ChemPubSoc Europe family comprises: Angewandte Chemie, Chemistry—A European Journal, European Journal of Organic Chemistry, European Journal of Inorganic Chemistry, ChemPhysChem, ChemBioChem, ChemMedChem, ChemCatChem, ChemSusChem, ChemPlusChem, ChemElectroChem, and ChemistryOpen.
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