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Drop on Demand Inkjet Drop Formation of Poly Ethylene Oxide (PEO) Aqueous Solutions

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Research on drop on demand (DOD) inkjet drop formation of polyethylene oxide (PEO) aqueous solutions was conducted. Based on the technique developed by our group, the whole inkjet printing process from ejection to formation of drop(s) was studied. An imaging system with an interframe time of 1 μs and a spatial resolution of 0.81 μm/pixel was used to visualize the DOD drop formation process for a series of poly ethylene oxide (PEO) aqueous solutions with molecular weight ranging from 14,000 g/mol to 1,000,000 g/mol and concentration ranging from 0.005 wt% to 10 wt% jetting from a nozzle orifice with a diameter of 53 μm The dynamics of DOD drop formation was analyzed in detail based on the experimental results.

The addition of a small amount of PEO to fluids may have a significant effect on the DOD drop formation process, depending on PEO molecular weight and concentration. The effects are ascribed to fluid elasticity associated with the addition of polymer.

Document Type: Research Article

Publication date: 2010-01-01

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  • 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.

    Please note: For purposes of its Digital Library content, IS&T defines Open Access as papers that will be downloadable in their entirety for free in perpetuity. Copyright restrictions on papers vary; see individual paper for details.

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