期刊
ADVANCED SCIENCE
卷 5, 期 8, 页码 -出版社
WILEY
DOI: 10.1002/advs.201800061
关键词
3D printing; digital light processing; hybrid organic-ceramic inks; sol-gel; UV curable materials
资金
- Israel Ministry of Defense
- Israel Ministry of Science, Technology Space
- National Research Foundation of Singapore under the CREATE program: Nanomaterials for Energy and Energy-Water Nexus
Hybrid organic-inorganic sol gel inks that can undergo both condensation and radical polymerization are developed, enabling fabrication of complex objects by additive manufacturing technology, yielding 3D objects with superior properties. The 3D objects have very high silica content and are printed by digital light processing commercial printers. The printed lightweight objects are characterized by excellent mechanical strength compared to currently used high-performance polymers (139 MPa), very high stability at elevated temperatures (heat deflection temperature >270 degrees C), high transparency (89%), and lack of cracks, with glossiness similar to silica glasses. The new inks fill the gap in additive manufacturing of objects composed of ceramics only and organic materials only, thus enabling harnessing the advantages of both worlds of materials.
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