Evaluation of the Pigment Dispersion of UV-Curable Inkjet Ink Using UV Absorption Spectrum

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Abstract:

With the formulation experiment to design the UV inkjet ink of different pigment/binder ratios, UV inkjet ink samples of different dispersions are prepared. The size and distribution of pigment particles and UV absorption spectrum of the samples are then tested. The result indicates that: the pigment/binder ratio has a great impact on the dispersion of the UV inkjet ink, when the ratio is 2:1, the ink sample can obtain good dispersion; dispersion of the pigment particles affects the intensity of UV absorption of the ink system. The absorption spectrum has a strong dependence with the dispersion of ink. With the decreasing of the pigment particle size, the UV absorption intensity of the ink system increases. The main innovation of this study lies in the establishment of evaluating particle's dispersion according to the change of UV absorption spectrum of the ink system.

Document Type: Research Article

Publication date: January 1, 2009

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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