Preparation method of water-based silver nanowire ink

A preparation method and technology of silver nanowires, applied in inks, household appliances, applications, etc., can solve problems such as poor water-based ink additives, and achieve convenient mass production and use, high conductivity and light transmittance, transparent The effect of high light rate

Active Publication Date: 2015-12-16
上海巨尔希电子科技有限公司
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Problems solved by technology

[0006] The purpose of the present invention is to provide a formulation of water-ba...
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Abstract

The invention discloses preparation method of water-based silver nanowire ink. The water-based silver nanowire ink comprises the following components in percentage by weight: 0.2-1.5% of silver nanowire, 0.2-1% of sodium carboxymethyl cellulose, 0.005-0.1% of Zonyl@FSO-100, 0.1-2% of a polymeric dispersant, 1-3% of a micromolecular defoaming agent and 85.4-94.495% of water. The ink can be coated and simply treated to obtain a conductive thin film with high conductivity and light transmittance, thereby being widely applied to the field of electronic products of a touch screen and the like.

Application Domain

Inks

Technology Topic

TransmittanceDefoaming Agents +4

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  • Preparation method of water-based silver nanowire ink

Examples

  • Experimental program(1)

Example Embodiment

[0022] Examples:
[0023] Use silver nanowires with a diameter of 30-50nm and a length of 10-20μm as the conductive material. Select sodium carboxymethyl cellulose as the binder, Zonyl FSO-100 as the surfactant, Spredox D-260 as the dispersing anti-settling agent, propylene glycol methyl ether as the leveling agent, 2-hexyl ethanol as the defoaming agent, and water as the solvent. Prepare slurry;
[0024] The sodium carboxymethyl cellulose is formulated into a 1.5% aqueous solution (note: a larger concentration will cause the viscosity to be too large to be taken out). Then determine the content of these components, calculate the required quality of each additive. Add the rest of the materials except the sodium carboxymethyl cellulose solution to the flask, stir and mix for 20 minutes. Then slowly drip the sodium carboxymethyl cellulose solution into the slurry and continue to stir for 30 minutes. Finally, the slurry was filtered with a 20 μm pore size filter membrane to obtain the final ink.

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