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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: January 1, 2010

More about this publication?
  • For more than 25 years, NIP has been the leading forum for discussion of advances and new directions in non-impact and digital printing technologies. A comprehensive, industry-wide conference, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems, including drop-on-demand ink jet, wide format ink jet, desktop and continuous ink jet, toner-based electrophotographic printers, production digital printing systems, and thermal printing systems, as well as the engineering capability, optimization, and science involved in these fields.

    Since 2005, NIP has been held in conjunction with the Digital Fabrication Conference.

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