Fabrication of Two and Three-Dimensional Structures by Using Inkjet Printing
In recent years inkjet printing has been used for the production of microelectronic structures on (flexible) substrates and for the rapid production of 2D and 3D microstructures. In order to create these microstructures we present ‘reactive inkjet printing’ as a technology to create micron-scale polyurethane structures, such as dots, lines and pyramids. These structures were fabricated in-situ and cured within five minutes by inkjet printing successively two separate inks respectively from two separate print heads, with one ink containing isophorone diisocyanate, and the other consisting of an oligomer of poly(propylene glycol), a catalyst, and a cross-linking agent. The fast polymerisation reaction that forms polyurethane at the surface opens a new route for rapid prototyping, as well as the use of inkjet as a technique for handling moisture-sensitive reactions.
Document Type: Research Article
Publication date: 2009-01-01
For more than 30 years, IS&T's series of digital printing conferences have been the leading forum for discussion of advances and new directions in 2D and 3D printing technologies. A comprehensive, industry-wide conference that brings together industry and academia, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems?particularly those involved with additive manufacturing and fabrication?including bio-printing, printed electronics, page-wide, drop-on-demand, desktop and continuous ink jet, toner-based systems, and production digital printing, as well as the engineering capability, optimization, and science involved in these fields. In 2016, the conference changed its name formally to Printing for Fabrication to better reflect the content of the meeting and the evolving technology of printing.
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