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Effect of Dispersing Agents on the Quality of Water Based Inkjet using Black Pigment

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Objective of the present research was to study some dispersing agents for carbon black pigment in an aqueous based inkjet ink. The experiment tested on 6 different surfactants which were alcohol ethoxylate, ethylenediamine ethyleneoxide propyleneoxide blockcopolymer, polypropylene glycol blockcopolyme, sodium dodecyl sulphate, sodium polycarboxylate and polymerized naphthalene sulfonate having CMC in a range of 0.01 to 1 %wt studied by measuring surface tension and conductivity of their solution. The black pigment sediment was observed by leaving on a shelf for 30 days. The amorphous particle of the carbon black pigment had a size average in a range of 0.14-0.24 μm dispersed in the inks. The pigmented inks prepared from polymeric dispersants: alcohol ethoxylate and polymerized naphthalene sulfonate gave a high optical density. The pigmented inks which had a small and narrow size distribution gave good inkjet printing runability comparatively.

Document Type: Research Article

Publication date: 2008-01-01

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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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