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Preparation of Nanoscale Phthalocyanine Blue Pigment Dispersion for Inkjet Printing Inks With Polymerizable Dispersant

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Nanoscale phthalocyanine blue pigment dispersion was prepared using allyloxy Nonyl-phenoxy propanol polyoxyethylene ether ammonium sulfate (ANPS) as dispersant, the effect of amount of ANPS and milling time on particle size were investigated, the further performance of the prepared dispersion was also measured. The results showed that the optimal process condition was that the weight ratio of dispersant to pigment 20%, milling speed 1800r/min for 2 hours. The dispersion which prepared as these conditions had small particle size and narrow particle size distribution, the particle size changed small when the dispersion was treated below 60°C and almost remained the same when pH value was in the range of 6 to 10. The absorbance changed little when the dispersion was centrifuged below 4000r/min for 30min. The fluidity of the dispersion shows shear thinning behavior.
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Document Type: Research Article

Publication date: 2009-01-01

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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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