Nano-silver electrically conductive printing ink and preparation method thereof

A technology of conductive ink and nano-silver, applied in inks, household appliances, applications, etc., can solve the problems of high cost and high amount of precious metal silver, and achieve the effects of low cost, simple preparation method and good flexibility

Inactive Publication Date: 2015-08-12
苏州靖羽新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the visible area of ​​the touch screen uses etched ITO conductive lines. The existing printed conductive silver paste is basically opaque silver gray or off-white, and the silver powder is micron-sized particles or flakes. This oily system silver

Method used

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  • Nano-silver electrically conductive printing ink and preparation method thereof
  • Nano-silver electrically conductive printing ink and preparation method thereof
  • Nano-silver electrically conductive printing ink and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] (1) 5 kg of polydiallyl dimethyl ammonium chloride, 1 kg of isophorone diamine, 0.5 kg of polymethylhydrogen siloxane and 0.5 kg of titanium dioxide nanoparticles are stirred evenly in a disperser;

[0023] (2) Add 1.5kg of nano-silver rods ground by a three-roll machine, 2,4-diamino-6-[2'-ethyl-4'-methylimidazolyl]ethyl cis-triazine 0.02kg and ethanol 65kg of mixed solution;

[0024] (3) Keeping the temperature at 95° C. for 1 hour to obtain the nano-silver conductive ink.

Embodiment 2

[0026] (1) 5kg of polydiallyldimethylammonium chloride, 2kg of isophoronediamine, 0.5kg of polymethylhydrogensiloxane and 0.5kg of titanium dioxide nanoparticles are stirred in a disperser;

[0027] (2) Add 3 kg of nano-silver balls ground by a three-roll machine, 2,4-diamino-6-[2'-ethyl-4'-methylimidazolyl] ethyl cis-triazine 0.4 kg and isopropyl A mixed solution of alcohol 85kg;

[0028] (3) Keeping the temperature at 95° C. for 1 hour to obtain the nano-silver conductive ink.

Embodiment 3

[0030] (1) 8 kg of polydiallyl dimethyl ammonium chloride, 2 kg of isophorone diamine, 1.8 kg of polymethyl hydrogen siloxane and 0.8 kg of graphene nanosheets are stirred in a disperser;

[0031] (2) Add 3kg of nano-silver balls ground by a three-roll machine, 2,4-diamino-6-[2'-ethyl-4'-methylimidazolyl]ethyl cis-triazine 0.4kg and propylene glycol 85kg mixed solution;

[0032] (3) heat preservation at 105° C. for 2 hours to obtain nano-silver conductive ink.

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PUM

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Abstract

The invention relates to a nano-silver electrically conductive printing ink and a preparation method thereof. The nano-silver electrically conductive printing ink is made of, by weight, 5-8 parts of poly-diallyldimethylammonium chloride, 1.5-3 parts of nano silver, 1-2 parts of isophorone diamine, 0.5-1.8 parts of polymethylhydrosiloxane, 0.5-0.8 part of nano auxiliaries, 0.02-0.4 part of 2,4-diamino-6-[2'-ethyl-4'-methylimidazole]ethyl cis triazine and 65-85 parts of solvent. The invention further provides a preparation method of the nano-silver electrically conductive printing ink.

Description

technical field [0001] The invention belongs to the field of conductive ink, in particular to a nano-silver conductive ink and a preparation method thereof. Background technique [0002] Conductive ink refers to the ink that is printed on conductive substrates to enable it to conduct current and eliminate the ability to accumulate static charges. It is generally printed on non-conductive substrates such as plastic, glass, ceramics or cardboard. Conductive ink has a certain degree of conductivity and can be used for printing conductive dots or conductive lines. There are a wide range of printing methods for conductive inks, such as screen printing, letterpress printing, flexographic printing, gravure printing, and lithography. Different printing methods can be selected according to the requirements of film thickness. The resistance, solder resistance and friction resistance of different film thicknesses are also different. There are two types of inks: thick film color paste...

Claims

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Application Information

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IPC IPC(8): C09D11/52C09D11/106C09D11/03
CPCC09D11/52C09D11/03C09D11/106
Inventor 钱玉珠
Owner 苏州靖羽新材料有限公司
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