A Preparation of Spherical Calcium Carbonate and Application to Paper
Abstract:Silica is generally used for ink-jet paper as a coating pigment for high print quality. As a substitute of expensive silica, calcium carbonate having a crystal form of vaterite was examined in terms of the preparation method for high purity and surface wetting behavior of its coated paper. Pure vaterite synthesis was successfully achieved by the modified interfacial reaction method, i.e., at a temperature of 25°C of all the reacting liquids and high shear rate during mixture. Spherical vaterite aggregates developed so is around 1 μm diameter and consists of primary particle less than 100 nm diameter. As for vaterite-coated paper, comparatively adequate surface wetting behavior for ink-jet printing was obtained. Contact angle between a water droplet and a paper surface decreased with time by absorption for vaterite while it decreased by lateral spreading for silica. These phenomena suggest that vaterite is potential to absorb water very quickly. Thus, the potential of vaterite as a coating pigment was suggested.
Document Type: Research Article
Publication date: 2005-01-01
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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