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Method to Synthesize Silver Nano-particles for Inkjet Inks to Reduce Environmental Load

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We have been studying the method to prepare metal nano-particles in aqueous solution. We presented the role of low molecular compounds as a dispersing agent in aqueous solutions to synthesize silver particles at NIP27, last year. At NIP28 of this year, we would like to present the effect of PVA and polyacrylic acid compounds on the growth of silver particles. The PVA used in this experiment are as follows: Saponification ratio is 78.5-99.4 mol% and polymerization degree is 500-2600, where the saponification ratio is defined as the ratio of the number of OH group to total number of OH and COOCH3 groups. The above both factors have affected the growth of silver particles and we have found in a series of our experiments that the PVA with the polymerization degree of 500 and the saponification ratio of 99.4 mol% has produced mono-dispersed silver particles of 10nm in average diameter. Furthermore, we have found that polyacrylic acid compounds as a dispersing agent have resulted in around 5nm in average diameter. Since this method to synthesized silver nano-particles does not use any organic solvents, we can avoid the problem regarding environmental pollution caused by organic fluids.
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Document Type: Research Article

Publication date: 2012-01-01

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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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