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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-based silver nanowire ink, which solves the problem of poor water-based ink additives

Method used

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  • Preparation method of water-based silver nanowire ink

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Embodiment

[0023] Silver nanowires with a diameter of 30-50 nm and a length of 10-20 μm are used as conductive substances. Sodium carboxymethyl cellulose is used as binder, ZonylFSO-100 is used as surfactant, SpredoxD-260 is used as dispersing anti-settling agent, propylene glycol methyl ether is used as leveling agent, 2-hexyl alcohol is used as defoaming agent, and water is used as solvent. Prepare slurry;

[0024] Sodium carboxymethyl cellulose was formulated as a 1.5% aqueous solution (note: greater concentration would result in too high a viscosity to be taken out). Then determine the content of these components and calculate the mass required for each additive. Add the rest of the material except the sodium carboxymethylcellulose solution into the flask and stir to mix for 20 minutes. Then the sodium carboxymethylcellulose solution was slowly dripped into the slurry, and the stirring was continued for 30 minutes. Finally, the slurry was filtered through a filter membrane with a ...

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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.

Description

technical field [0001] The invention belongs to the field of conductive ink, and in particular relates to the preparation of water-based silver nanowire ink. Background technique [0002] Flexible products such as wearable devices are becoming more and more popular. The development of flexible products is inseparable from flexible substrates. However, the current immaturity of flexible substrates has led to a bottleneck in the development of flexible products. Among PEDOT:PSS, graphene, carbon nanotubes, and nanometal wires that can realize flexible conductive substrates, silver nanowires are currently the most likely material for breakthroughs. Therefore, people have carried out a lot of research on silver nanowire conductive film. [0003] To prepare silver conductive film, it is first necessary to formulate silver nanowires into conductive ink, and then make the ink into a film by spraying, rolling, scraping and other means. The performance of the film depends on the ...

Claims

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Application Information

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IPC IPC(8): C09D11/52
Inventor 杨鑫陈善勇刘碧桃李璐闫恒庆
Owner 上海巨尔希电子科技有限公司
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