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Micro liquid absorbency of ink-jet media

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In ink-jet printing, ink absorption behavior of printing media is closely related to its print quality. The velocity of liquid absorption into paper is regularly evaluated with a Bristow type tester or by measuring the change in contact angle alternatively. In this study, from the shape of a projected hemisphere of water drops, the changes in volume, contact angle, height and radius of circular contact area were measured using a microscopic video camera. Those shape parameters were compared between water drops ejected from a test ink-jet head and landing on a surface of the photo grade and general grade of ink jet papers. The absorption rate was found not to be varied between the grades although more research is necessary for more exact mechanisms. The volume of a water drop that landed on a once-wetted surface decreased more slowly than on an unwetted surface and the contact angle was lower at equivalent times after landing.
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Document Type: Research Article

Publication date: 2006-01-01

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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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